Remove old roles and fix idempotency issues

group_vars/all/vars

@@ -1,9 +1,7 @@
 ---
 initial_master: master1
-scw_token: "{{ scw_token_vault }}"
+tinc_primary_router: proxy1
-scw_authorized_keys:
+vpn_interface: tun0
-  - ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDRX1scknsDkFvi1DRfNzYKPpyn9x4tiPjqkSlCQnXtmZUmK8ssYAQrM9iSIszT1tr5nQERBAHtUMjSJN8Ofi42LCJWakdYiSQSaSx3kM4TpYx8bKTEX2oxdifOovaGyn7jz8DmTipJLlrxjkQZ0HU8f6lhNPpke/jGioH6lvVtUVVDb1Ny+ygvoJsZHPuU/KSSnFED91sNrSoE8NGa29gPBrDMUZHSZVJW8+c0DWENxKpu7TKx/s64SsT3jX6gx76J/umvS7OfDu1SXg9lX6+1OUQMexjRImmzUy4VFrJAf9iAVvwYI5RlcLR9j2DbNBg0gikLAc+1OeBQcGrwYzid froidmpa@froidmpa-2017-07-31
-  - ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDMPhCld0dsDzpdkMvPRdiwd6IX8HF8Mb2V6uQzBl8/syeny8FbZxlZR8gk39RGxNYcLaZ+nA50DS6mOIplXCGdtozfw0Vm+FdITN3apMufWIdobG7Igs1vxKBBbkAb5lwxkEFUCUMzPdCLFHd5zabVH0WE42Be8+hYPLd5W/ikPCOgxRaGwryHHroxRMdkD3PcNE8upSEMdGl51pzgXhO6Fcig8UokOYHxV92SiQ0KEsCbc+oe8e9Gkr7g78tz+6YcTYLY2p2ygR7Vrh/WyTaUVnrNNqL8NIqp+Lc2kVtnqGXHFBJ0Wggaly+AeKWygy+dnOMEGSirhQ6/dUcB/Phz phfroidmont@archdesktop-2017-07-31
 
 k8s_release: "1.10.6"
 k8s_apiserver_secure_port: "6443"
@@ -41,11 +39,3 @@ harden_linux_sshguard_whitelist:
   - "10.3.0.0/24"
   - "10.200.0.0/16"
 
-peervpn_conf_networkname: "peervpn"
-peervpn_conf_psk: "{{k8s_peervpn_pre_shared_key}}"
-peervpn_conf_initpeers: "{{ hostvars[groups['k8s_worker'][0]].public_ip }} {{ peervpn_conf_port }}"
-peervpn_conf_enabletunneling: "yes"
-peervpn_conf_interface: "tap0"
-peervpn_conf_port: 7000
-peervpn_conf_enableipv6: "no"
-

group_vars/k8s_master

@@ -1 +0,0 @@
-peervpn_conf_ifconfig4: "10.3.0.{{ index }}/24"

group_vars/k8s_worker

@@ -1,14 +0,0 @@
-peervpn_conf_ifconfig4: "10.3.0.{{ 100+(index|int) }}/24"
-harden_linux_ufw_rules:
-  - rule: "allow"
-    to_port: "22"
-    protocol: "tcp"
-  - rule: "allow"
-    to_port: "7000"
-    protocol: "udp"
-  - rule: "allow"
-    to_port: "80"
-    protocol: "tcp"
-  - rule: "allow"
-    to_port: "443"
-    protocol: "tcp"

host_vars/localhost

@@ -1,5 +1,4 @@
 ---
-peervpn_conf_ifconfig4: "10.3.0.100/24"
 harden_linux_sshd_settings_user:
   "^Port ": "Port 22"
 harden_linux_ufw_rules:

k8s.yml

@@ -23,4 +23,4 @@
   - role: lego
     tags: lego
   - role: kubernetes-dashboard
-    tags: dashboard
+    tags: dashboard

roles/cfssl/LICENSE

@@ -1,674 +0,0 @@
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roles/cfssl/README.md

@@ -1,60 +0,0 @@
-ansible-role-cfssl
-==================
-
-Installes CFSSL (CloudFlare's PKI toolkit) binaries. I used it as a lightweight certificate authority (CA) for Kubernetes. This Ansible playbook is used in [Kubernetes the not so hard way with Ansible (at Scaleway) - part 4 - certificate authority](https://www.tauceti.blog/post/kubernetes-the-not-so-hard-way-with-ansible-at-scaleway-part-4/).
-
-Versions
---------
-
-I tag every release and try to stay with [semantic versioning](http://semver.org). If you want to use the role I recommend to checkout the latest tag. The master branch is basically development while the tags mark stable releases. But in general I try to keep master in good shape too.
-
-The tag `v1.0.0_r1.2.0` means that this is the release `v1.0.0` of the Ansible role which uses release `r1.2.0` of CFSSL.
-
-Changelog
----------
-
-**v2.0.2_r1.2.0**
-
-- update documentation of variables / update README
-
-**v2.0.1_r1.2.0**
-
-- variable values should be strings
-
-**v2.0.0_r1.2.0**
-
-- removed `cfssl_conf_directory` variable (not needed as this role only installs the CFSSL binaries)
-
-**v1.0.0_r1.2.0**
-
-- initial release
-
-
-Role Variables
---------------
-
-```
-#Specifies the version of CFSSL toolkit we want to download and use
-cfssl_version: "R1.2"
-# The directory where CFSSL binaries will be installed
-cfssl_bin_directory: "/usr/local/bin"
-```
-
-Example Playbook
-----------------
-
-```
-- hosts: k8s_ca
-  roles:
-    - githubixx.cfssl
-```
-
-License
--------
-
-GNU GENERAL PUBLIC LICENSE Version 3
-
-Author Information
-------------------
-
-http://www.tauceti.blog

roles/cfssl/defaults/main.yml

@@ -1,5 +0,0 @@
----
-#Specifies the version of CFSSL toolkit we want to download and use
-cfssl_version: "R1.2"
-# The directory where CFSSL binaries will be installed
-cfssl_bin_directory: "/usr/local/bin"

roles/cfssl/handlers/main.yml

@@ -1 +0,0 @@
----

roles/cfssl/meta/main.yml

@@ -1,14 +0,0 @@
-galaxy_info:
-  author: Robert Wimmer
-  description: Installs CFSSL PKI toolkit
-  license: GPLv3
-  min_ansible_version: 2.2
-  platforms:
-  - name: Ubuntu
-    versions:
-    - xenial
-  galaxy_tags:
-    - tls
-    - certificate
-    - ca
-    - security

roles/cfssl/tasks/main.yml

@@ -1,17 +0,0 @@
----
-- name: Download statically linked cfssl binary
-  get_url:
-    url: https://pkg.cfssl.org/{{cfssl_version}}/cfssl_linux-amd64
-    dest: "{{cfssl_bin_directory}}/cfssl"
-    mode: 0755
-    checksum: sha256:eb34ab2179e0b67c29fd55f52422a94fe751527b06a403a79325fed7cf0145bd
-  tags:
-    - cfssl
-
-- name: Download statically linked cfssljson binary
-  get_url:
-    url: https://pkg.cfssl.org/{{cfssl_version}}/cfssljson_linux-amd64
-    dest: "{{cfssl_bin_directory}}/cfssljson"
-    mode: 0755
-  tags:
-    - cfssl

roles/cfssl/tests/inventory

@@ -1 +0,0 @@
-localhost

roles/cfssl/tests/test.yml

@@ -1,5 +0,0 @@
----
-- hosts: localhost
-  remote_user: root
-  roles:
-    - cfssl

roles/cfssl/vars/main.yml

@@ -1 +0,0 @@
----

roles/docker/tasks/main.yml

@@ -40,11 +40,11 @@
       state: present
       filename: 'docker'
 
-  # TODO fix this - fails when ip route is using tun0 in scaleway
+  - name: Explicitly create docker0
-  - name: Explictly create docker0
     shell: |
       ip link add name docker0 type bridge || true
       ip addr add dev docker0 172.17.0.1/16 || true
+    changed_when: no
 
   - name: Install docker-ce
     apt:
@@ -86,6 +86,7 @@
   - name: Getting Docker version
     shell: "docker --version"
     register: docker_version
+    changed_when: no
 
   - name: Printing Docker version
     debug: var=docker_version

roles/githubixx.flanneld/.gitignore

@@ -1,2 +0,0 @@
-*.swp
-*.retry

roles/githubixx.flanneld/LICENSE

@@ -1,674 +0,0 @@
-                    GNU GENERAL PUBLIC LICENSE
-                       Version 3, 29 June 2007
-
- Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
- Everyone is permitted to copy and distribute verbatim copies
- of this license document, but changing it is not allowed.
-
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-software for all its users.  We, the Free Software Foundation, use the
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-
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roles/githubixx.flanneld/README.md

@@ -1,115 +0,0 @@
-ansible-role-flanneld
-=====================
-
-This Ansible playbook is used in [Kubernetes the not so hard way with Ansible (at Scaleway) - Part 7 - Worker](https://www.tauceti.blog/post/kubernetes-the-not-so-hard-way-with-ansible-at-scaleway-part-7/). It installes flanneld which provides functionality for the Kubernetes pod network (makes it possible for pods on different hosts to communicate).
-
-Versions
---------
-
-I tag every release and try to stay with [semantic versioning](http://semver.org) (well kind of). If you want to use the role I recommend to checkout the latest tag. The master branch is basically development while the tags mark stable releases. But in general I try to keep master in good shape too. A tag `v4.0.0_r0.10.0` means this is version `4.0.0` of this role and it's meant to be used with Flannel version `0.10.0` (but maybe also works with higher versions). If the role itself changes `vX.Y.Z` will increase. If the Flannel version changes `rX.Y.Z` will increase. This allows to tag bugfixes and new major versions of the role while it's still developed for a specific Flannel release.
-
-Requirements
-------------
-
-This role must be rolled out before Docker is installed. Additionally etcd must be running (but without that you won't have any part of Kubernetes running anyways ;-) ). During run the playbook will connect to the first node it finds in the `k8s_etcd` group and executes `etcdclt` there to add a new entry into etcd. That entry contains the flannel network config and it is located at "`flannel_etcd_prefix`/config".
-
-Changelog
----------
-
-**v4.0.0_r0.10.0**
-
-- upgrade to Flannel v0.10.0
-- major refactoring
-- introduce flexible parameter settings for flannel daemon via `flannel_settings` and `flannel_settings_user`
-
-**>= v3.0.0_r0.9.1**
-
-- no change log available
-
-Role Variables
---------------
-
-```
-# The interface on which the K8s services should listen on. As all cluster
-# communication should use the PeerVPN interface the interface name is
-# normally "tap0" or "peervpn0".
-k8s_interface: "tap0"
-# The directory to store the K8s certificates and other configuration
-k8s_conf_dir: "/var/lib/kubernetes"
-# CNI network plugin settings
-k8s_cni_conf_dir: "/etc/cni/net.d"
-# The directory from where to copy the K8s certificates. By default this
-# will expand to user's LOCAL $HOME (the user that run's "ansible-playbook ..."
-# plus "/k8s/certs". That means if the user's $HOME directory is e.g.
-# "/home/da_user" then "k8s_ca_conf_directory" will have a value of
-# "/home/da_user/k8s/certs".
-k8s_ca_conf_directory: "{{ '~/k8s/certs' | expanduser }}"
-
-etcd_conf_dir: "/etc/etcd"
-etcd_bin_dir: "/usr/local/bin"
-etcd_client_port: 2379
-etcd_certificates:
-  - ca-etcd.pem
-  - ca-etcd-key.pem
-  - cert-etcd.pem
-  - cert-etcd-key.pem
-
-flannel_version: "v0.10.0"
-flannel_etcd_prefix: "/kubernetes-cluster/network"
-flannel_ip_range: "10.200.0.0/16"
-flannel_backend_type: "vxlan"
-flannel_cni_name: "podnet"
-flannel_subnet_file_dir: "/run/flannel"
-flannel_options_dir: "/etc/flannel"
-flannel_bin_dir: "/usr/local/sbin"
-flannel_cni_conf_file: "10-flannel"
-
-flannel_systemd_restartsec: "5"
-flannel_systemd_limitnofile: "40000"
-flannel_systemd_limitnproc: "1048576"
-
-flannel_settings:
-  "etcd-cafile": "{{k8s_conf_dir}}/ca-etcd.pem"
-  "etcd-certfile": "{{k8s_conf_dir}}/cert-etcd.pem"
-  "etcd-keyfile": "{{k8s_conf_dir}}/cert-etcd-key.pem"
-  "etcd-prefix": "{{flannel_etcd_prefix}}"
-  "iface": "{{k8s_interface}}"
-  "public-ip": "{{hostvars[inventory_hostname]['ansible_' + k8s_interface].ipv4.address}}"
-  "subnet-file": "{{flannel_subnet_file_dir}}/subnet.env"
-  "ip-masq": "true"
-  "healthz-ip": "0.0.0.0"
-  "healthz-port": "0" # 0 = disable
-```
-
-The settings for Flannel daemon defined in `flannel_settings` can be overriden by defining a variable called `flannel_settings_user`. You can also add additional settings by using this variable. E.g. to override `healthz-ip` default value and add `kubeconfig-file` setting add the following settings to `group_vars/all.yml` or `group_vars/k8s.yml` or where ever it fit's best for you:
-
-```
-flannel_settings_user:
-  "healthz-ip": "1.2.3.4"
-  "kubeconfig-file": "/etc/k8s/k8s.cfg"
-```
-
-Dependencies
-------------
-
-https://galaxy.ansible.com/githubixx/etcd/ installed.
-
-Example Playbook
-----------------
-
-```
-- hosts: k8s:children
-  roles:
-    - githubixx.kubernetes-flanneld
-```
-
-License
--------
-
-GNU GENERAL PUBLIC LICENSE Version 3
-
-Author Information
-------------------
-
-[http://www.tauceti.blog](http://www.tauceti.blog)
-

roles/githubixx.flanneld/defaults/main.yml

@@ -1,50 +0,0 @@
----
-# The interface on which the K8s services should listen on. As all cluster
-# communication should use the PeerVPN interface the interface name is
-# normally "tap0" or "peervpn0".
-k8s_interface: "tap0"
-# The directory to store the K8s certificates and other configuration
-k8s_conf_dir: "/var/lib/kubernetes"
-# CNI network plugin settings
-k8s_cni_conf_dir: "/etc/cni/net.d"
-# The directory from where to copy the K8s certificates. By default this
-# will expand to user's LOCAL $HOME (the user that run's "ansible-playbook ..."
-# plus "/k8s/certs". That means if the user's $HOME directory is e.g.
-# "/home/da_user" then "k8s_ca_conf_directory" will have a value of
-# "/home/da_user/k8s/certs".
-k8s_ca_conf_directory: "{{ '~/k8s/certs' | expanduser }}"
-
-etcd_conf_dir: "/etc/etcd"
-etcd_bin_dir: "/usr/local/bin"
-etcd_client_port: 2379
-etcd_certificates:
-  - ca-etcd.pem
-  - ca-etcd-key.pem
-  - cert-etcd.pem
-  - cert-etcd-key.pem
-
-flannel_version: "v0.10.0"
-flannel_etcd_prefix: "/kubernetes-cluster/network"
-flannel_ip_range: "10.200.0.0/16"
-flannel_backend_type: "vxlan"
-flannel_cni_name: "podnet"
-flannel_subnet_file_dir: "/run/flannel"
-flannel_options_dir: "/etc/flannel"
-flannel_bin_dir: "/usr/local/sbin"
-flannel_cni_conf_file: "10-flannel"
-
-flannel_systemd_restartsec: "5"
-flannel_systemd_limitnofile: "40000"
-flannel_systemd_limitnproc: "1048576"
-
-flannel_settings:
-  "etcd-cafile": "{{k8s_conf_dir}}/ca-etcd.pem"
-  "etcd-certfile": "{{k8s_conf_dir}}/cert-etcd.pem"
-  "etcd-keyfile": "{{k8s_conf_dir}}/cert-etcd-key.pem"
-  "etcd-prefix": "{{flannel_etcd_prefix}}"
-  "iface": "{{k8s_interface}}"
-  "public-ip": "{{hostvars[inventory_hostname]['ansible_' + k8s_interface].ipv4.address}}"
-  "subnet-file": "{{flannel_subnet_file_dir}}/subnet.env"
-  "ip-masq": "true"
-  "healthz-ip": "0.0.0.0"
-  "healthz-port": "0" # 0 = disable

roles/githubixx.flanneld/handlers/main.yml

@@ -1,6 +0,0 @@
----
-- name: reload systemd
-  command: systemctl daemon-reload
-
-- name: restart flanneld
-  command: systemctl restart flanneld

roles/githubixx.flanneld/meta/main.yml

@@ -1,16 +0,0 @@
-galaxy_info:
-  author: Robert Wimmer
-  description: Installs flanneld (for Kubernetes)
-  license: GPLv3
-  min_ansible_version: 2.2
-  platforms:
-  - name: Ubuntu
-    versions:
-    - xenial
-  galaxy_tags:
-    - kubernetes
-    - worker
-    - flanneld
-    - flannel
-    - overlay
-    - network

roles/githubixx.flanneld/tasks/main.yml

@@ -1,93 +0,0 @@
----
-- name: Create Kubernetes config directory
-  file:
-    path: "{{k8s_conf_dir}}"
-    state: directory
-    mode: 0700
-    owner: root
-    group: root
-  tags:
-    - k8s-flannel
-
-- name: Copy etcd certificates
-  copy:
-    src: "{{k8s_ca_conf_directory}}/{{item}}"
-    dest: "{{k8s_conf_dir}}/{{item}}"
-    mode: 0640
-    owner: root
-    group: root
-  with_items:
-    - "{{etcd_certificates}}"
-  tags:
-    - k8s-flannel
-
-- name: Check if flannel network configuration in etcd is done
-  shell: "{{etcd_bin_dir}}/etcdctl --endpoints https://127.0.0.1:{{etcd_client_port}} --ca-file={{k8s_conf_dir}}/ca-etcd.pem --cert-file={{k8s_conf_dir}}/cert-etcd.pem --key-file={{k8s_conf_dir}}/cert-etcd-key.pem get {{flannel_etcd_prefix}}/config || true"
-  register: flannel_configured
-  run_once: true
-  delegate_to: "{{groups.k8s_etcd|first}}"
-  tags:
-    - k8s-flannel
-
-- name: Setup flannel network configuration in etcd if needed
-  shell: "{{etcd_bin_dir}}/etcdctl --endpoints https://127.0.0.1:{{etcd_client_port}} --ca-file={{k8s_conf_dir}}/ca-etcd.pem --cert-file={{k8s_conf_dir}}/cert-etcd.pem --key-file={{k8s_conf_dir}}/cert-etcd-key.pem set {{flannel_etcd_prefix}}/config '{\"Network\":\"{{flannel_ip_range}}\",\"Backend\":{\"Type\": \"{{flannel_backend_type}}\"}}'"
-  when: flannel_configured.stderr.find('Key not found') != -1
-  run_once: true
-  delegate_to: "{{groups.k8s_etcd|first}}"
-  tags:
-    - k8s-flannel
-
-- name: Downloading official flanneld binary
-  get_url:
-    url: https://github.com/coreos/flannel/releases/download/{{flannel_version}}/flanneld-amd64
-    dest: "{{flannel_bin_dir}}/flanneld"
-    mode: 0750
-  tags:
-    - k8s-flannel
-
-- name: Combine flannel_settings and flannel_settings_user (if defined)
-  set_fact:
-    flannel_settings: "{{flannel_settings | combine(flannel_settings_user|default({})) }}"
-  tags:
-    - k8s-flannel
-
-- name: Install systemd service for flanneld
-  template:
-    src: etc/systemd/system/flanneld.service.j2
-    dest: /etc/systemd/system/flanneld.service
-    owner: root
-    group: root
-    mode: 0644
-  notify:
-    - reload systemd
-    - restart flanneld
-  tags:
-    - k8s-flannel
-
-- name: Ensure CNI config directory
-  file:
-    path: "{{k8s_cni_conf_dir}}"
-    state: directory
-    mode: 0755
-    owner: root
-    group: root
-  tags:
-    - k8s-flannel
-
-- name: Install flanneld CNI config
-  template:
-    src: etc/cni/net.d/cni-flannel.conf.j2
-    dest: "{{k8s_cni_conf_dir}}/{{flannel_cni_conf_file}}.conf"
-    owner: root
-    group: root
-    mode: 0644
-  tags:
-    - k8s-flannel
-
-- name: Enable and start flanneld
-  service:
-    name: flanneld
-    enabled: yes
-    state: started
-  tags:
-    - k8s-flannel

roles/githubixx.flanneld/templates/etc/cni/net.d/cni-flannel.conf.j2

@@ -1,7 +0,0 @@
-{
-  "name": "{{flannel_cni_name}}",
-  "type": "flannel",
-  "delegate": {
-    "isDefaultGateway": true
-  }
-}

roles/githubixx.flanneld/templates/etc/systemd/system/flanneld.service.j2

@@ -1,31 +0,0 @@
-#jinja2: trim_blocks:False
-{% macro etcd_hosts() %}
-{%- for host in groups['k8s_etcd'] -%}
-https://{{hostvars[host]['ansible_' + k8s_interface].ipv4.address}}:{{etcd_client_port}}{% if not loop.last %},{% endif %}
-{%- endfor -%}
-{% endmacro %}
-
-{%- set x=flannel_settings.__setitem__('etcd-endpoints',etcd_hosts()) -%}
-
-[Unit]
-Description=Network fabric for containers
-After=network.target
-After=network-online.target
-Wants=network-online.target
-Before=docker.service
-
-[Service]
-Type=notify
-Restart=always
-RestartSec={{flannel_systemd_restartsec}}
-LimitNOFILE={{flannel_systemd_limitnofile}}
-LimitNPROC={{flannel_systemd_limitnproc}}
-ExecStartPre=/bin/mkdir -p {{flannel_subnet_file_dir}}
-ExecStart={{flannel_bin_dir}}/flanneld \
-{%- for setting in flannel_settings|sort %}
-  -{{setting}}={{flannel_settings[setting]}} {% if not loop.last %}\{% endif %}
-{%- endfor %}
-
-[Install]
-WantedBy=multi-user.target
-RequiredBy=docker.service

roles/githubixx.flanneld/tests/inventory

@@ -1,2 +0,0 @@
-localhost
-

roles/githubixx.flanneld/tests/test.yml

@@ -1,5 +0,0 @@
----
-- hosts: localhost
-  remote_user: root
-  roles:
-    - kubernetes-flanneld

roles/githubixx.flanneld/vars/main.yml

@@ -1 +0,0 @@
----

roles/kubectl/LICENSE

@@ -1,674 +0,0 @@
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-SUCH DAMAGES.
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-above cannot be given local legal effect according to their terms,
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-copy of the Program in return for a fee.
-
-                     END OF TERMS AND CONDITIONS
-
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-
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-possible use to the public, the best way to achieve this is to make it
-free software which everyone can redistribute and change under these terms.
-
-  To do so, attach the following notices to the program.  It is safest
-to attach them to the start of each source file to most effectively
-state the exclusion of warranty; and each file should have at least
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-    {one line to give the program's name and a brief idea of what it does.}
-    Copyright (C) {year}  {name of author}
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-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
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-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
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-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
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-parts of the General Public License.  Of course, your program's commands
-might be different; for a GUI interface, you would use an "about box".
-
-  You should also get your employer (if you work as a programmer) or school,
-if any, to sign a "copyright disclaimer" for the program, if necessary.
-For more information on this, and how to apply and follow the GNU GPL, see
-<http://www.gnu.org/licenses/>.
-
-  The GNU General Public License does not permit incorporating your program
-into proprietary programs.  If your program is a subroutine library, you
-may consider it more useful to permit linking proprietary applications with
-the library.  If this is what you want to do, use the GNU Lesser General
-Public License instead of this License.  But first, please read
-<http://www.gnu.org/philosophy/why-not-lgpl.html>.

roles/kubectl/README.md

@@ -1,69 +0,0 @@
-ansible-role-kubectl
-====================
-
-Installs kubectl command line utility used to interact with the Kubernetes API Server.
-
-Versions
---------
-
-I tag every release and try to stay with [semantic versioning](http://semver.org) (well kind of...). If you want to use the role I recommend to checkout the latest tag. The master branch is basically development while the tags mark stable releases. But in general I try to keep master in good shape too. A tag `r1.0.0_v1.8.0` means this is release 1.0.0 of this role and it's meant to be used with Kubernetes version 1.8.0. If the role itself changes `rX.Y.Z` will increase. If the Kubernetes version changes `vX.Y.Z` will increase. This allows to tag bugfixes and new major versions of the role while it's still developed for a specific Kubernetes release.
-
-Changelog
----------
-
-**r3.0.0_v1.10.4**
-
-- update default kubectl to v1.10.4
-
-**r2.0.2_v1.9.1**
-
-- update default kubectl to v1.9.1
-- changed download location
-- add checksum
-- allow more options to download binaries for different architectures
-
-**r1.0.2_v1.8.0**
-
-- update default kubectl to v1.8.0
-
-Role Variables
---------------
-
-```
-# "kubectl" version to install
-kubectl_version: "1.10.4"
-# SHA256 checksum of the archive (see https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.10.md
-# for the checksums
-kubectl_checksum: "sha256:2831fe621bf1542a1eac38b8f50aa40a96b26153e850b3ff7155e5ce4f4f400e"
-# Where to install "kubectl" binary
-kubectl_bin_directory: "/usr/local/bin"
-# Directory to store the kubeclient archive
-kubectl_tmp_directory: "{{lookup('env', 'TMPDIR') | default('/tmp',true)}}"
-# Owner of "kubectl" binary
-kubectl_owner: "root"
-# Group of "kubectl" binary
-kubectl_group: "root"
-# Operarting system on which "kubectl" should run on
-kubectl_os: "linux" # use "darwin" for MacOS X, "windows" for Windows
-# Processor architecture "kubectl" should run on
-kubectl_arch: "amd64" # other possible values: "386","arm64","arm","ppc64le","s390x"
-```
-
-Example Playbook
-----------------
-
-```
-- hosts: your-host
-  roles:
-    - githubixx.kubectl
-```
-
-License
--------
-
-GNU GENERAL PUBLIC LICENSE Version 3
-
-Author Information
-------------------
-
-http://www.tauceti.blog

roles/kubectl/defaults/main.yml

@@ -1,18 +0,0 @@
----
-# "kubectl" version to install
-kubectl_version: "1.11.1"
-# SHA256 checksum of the archive (see https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.10.md
-# for the checksums
-kubectl_checksum: "sha256:a6c7537434fedde75fb77c593b2d2978be1aed00896a354120c5b7164e54aa99"
-# Where to install "kubectl" binary
-kubectl_bin_directory: "/usr/local/bin"
-# Directory to store the kubeclient archive
-kubectl_tmp_directory: "{{lookup('env', 'TMPDIR') | default('/tmp',true)}}"
-# Owner of "kubectl" binary
-kubectl_owner: "root"
-# Group of "kubectl" binary
-kubectl_group: "root"
-# Operarting system on which "kubectl" should run on
-kubectl_os: "linux" # use "darwin" for MacOS X, "windows" for Windows
-# Processor architecture "kubectl" should run on
-kubectl_arch: "amd64" # other possible values: "386","arm64","arm","ppc64le","s390x"

roles/kubectl/handlers/main.yml

@@ -1 +0,0 @@
----

roles/kubectl/meta/main.yml

@@ -1,12 +0,0 @@
-galaxy_info:
-  author: Robert Wimmer
-  description: Installs kubectl command line utility used to interact with the Kubernetes API Server.
-  license: GPLv3
-  min_ansible_version: 2.2
-  platforms:
-  - name: Ubuntu
-    versions:
-    - xenial
-  galaxy_tags:
-    - kubernetes
-    - cli

roles/kubectl/tasks/kubectl-cluster-config.yml

@@ -1,38 +0,0 @@
-- name: kubectl config set-cluster
-  shell: |
-    kubectl config set-cluster {{k8s_config_cluster_name}} \
-      --certificate-authority={{k8s_ca_conf_directory}}/ca.pem \
-      --embed-certs=true \
-      --server=https://{{hostvars[groups.k8s_master|first]['ansible_' + k8s_interface].ipv4.address}}:6443
-  register: set_cluster
-
-- debug:
-    msg: "COMMAND:{{set_cluster.cmd}} | OUTPUT: {{set_cluster.stdout}}"
-
-- name: kubectl config set-credentials admin
-  shell: |
-    kubectl config set-credentials admin \
-      --client-certificate={{k8s_ca_conf_directory}}/admin.pem \
-      --client-key={{k8s_ca_conf_directory}}/admin-key.pem
-  register: set_credentials
-
-- debug:
-    msg: "COMMAND:{{set_credentials.cmd}} | OUTPUT: {{set_credentials.stdout}}"
-
-- name: kubectl config set-context
-  shell: |
-    kubectl config set-context {{k8s_config_cluster_name}} \
-      --cluster={{k8s_config_cluster_name}} \
-      --user=admin
-  register: set_context
-
-- debug:
-    msg: "COMMAND:{{set_context.cmd}} | OUTPUT: {{set_context.stdout}}"
-
-- name: kubectl config use-context
-  shell: |
-    kubectl config use-context {{k8s_config_cluster_name}}
-  register: use_context
-
-- debug:
-    msg: "COMMAND:{{use_context.cmd}} | OUTPUT: {{use_context.stdout}}"

roles/kubectl/tasks/kubectl-config.yml

@@ -1,11 +0,0 @@
-- name: Generate a kubeconfig file for the {{service}} service (set-cluster)
-  shell: "kubectl config set-cluster {{k8s_config_cluster_name}} --certificate-authority={{k8s_ca_conf_directory}}/ca.pem --embed-certs=true --server=https://{{apiServer}}:{{k8s_apiserver_secure_port}} --kubeconfig={{k8s_config_directory}}/{{service}}.kubeconfig"
-
-- name: Generate a kubeconfig file for the {{service}} service (set-credentials)
-  shell: "kubectl config set-credentials system:{{service}} --client-certificate={{k8s_ca_conf_directory}}/{{service}}.pem --client-key={{k8s_ca_conf_directory}}/{{service}}-key.pem --embed-certs=true --kubeconfig={{k8s_config_directory}}/{{service}}.kubeconfig"
-
-- name: Generate a kubeconfig file for the {{service}} service (set-context)
-  shell: "kubectl config set-context default --cluster={{k8s_config_cluster_name}} --user=system:{{service}} --kubeconfig={{k8s_config_directory}}/{{service}}.kubeconfig"
-
-- name: Set use-context
-  shell: "kubectl config use-context default --kubeconfig={{k8s_config_directory}}/{{service}}.kubeconfig"

roles/kubectl/tasks/main.yml

@@ -1,81 +0,0 @@
----
-- name: Download kubernetes-client archive
-  get_url:
-    url: "https://dl.k8s.io/v{{kubectl_version}}/kubernetes-client-{{kubectl_os}}-{{kubectl_arch}}.tar.gz"
-    checksum: "{{kubectl_checksum}}"
-    dest: "{{kubectl_tmp_directory}}"
-  tags:
-    - kubectl
-
-- name: Unarchive kubernetes-client
-  unarchive:
-    src: "{{kubectl_tmp_directory}}/kubernetes-client-{{kubectl_os}}-{{kubectl_arch}}.tar.gz"
-    dest: "{{kubectl_tmp_directory}}"
-  tags:
-    - kubectl
-
-- name: Copy kubectl binary to destination directory
-  copy:
-    src: "{{kubectl_tmp_directory}}/kubernetes/client/bin/{{item}}"
-    dest: "{{kubectl_bin_directory}}/{{item}}"
-    mode: 0755
-    owner: root
-    group: root
-    remote_src: yes
-  with_items:
-    - kubectl
-
-- name: Generate a kubeconfig file for each worker node (set-cluster)
-  shell: "kubectl config set-cluster {{k8s_config_cluster_name}} --certificate-authority={{k8s_ca_conf_directory}}/ca.pem --embed-certs=true --server=https://{{hostvars[groups['k8s_master'][0]]['ansible_'+hostvars[item]['peervpn_conf_interface']].ipv4.address}}:{{k8s_apiserver_secure_port}} --kubeconfig={{k8s_config_directory}}/{{item}}.kubeconfig"
-  with_inventory_hostnames:
-    - k8s_worker
-  tags:
-    - k8s-auth-config-kubelet
-
-- name: Generate a kubeconfig file for each worker node (set-credentials)
-  shell: "kubectl config set-credentials system:node:{{hostvars[item]['ansible_hostname']}} --client-certificate={{k8s_ca_conf_directory}}/{{item}}.pem --client-key={{k8s_ca_conf_directory}}/{{item}}-key.pem --embed-certs=true --kubeconfig={{k8s_config_directory}}/{{item}}.kubeconfig"
-  with_inventory_hostnames:
-    - k8s_worker
-  tags:
-    - k8s-auth-config-kubelet
-
-- name: Generate a kubeconfig file for each worker node (set-context)
-  shell: "kubectl config set-context default --cluster={{k8s_config_cluster_name}} --user=system:node:{{hostvars[item]['ansible_hostname']}} --kubeconfig={{k8s_config_directory}}/{{item}}.kubeconfig"
-  with_inventory_hostnames:
-    - k8s_worker
-  tags:
-    - k8s-auth-config-kubelet
-
-- name: Set use-context
-  shell: "kubectl config use-context default --kubeconfig={{k8s_config_directory}}/{{item}}.kubeconfig"
-  with_inventory_hostnames:
-    - k8s_worker
-  tags:
-    - k8s-auth-config-kubelet
-
-- name: Get IP address of first host in k8s_master group and use as API server
-  set_fact:
-    apiServer: |
-      {% set item = groups["k8s_master"][0] %}
-      {{ hostvars[item]["ansible_"+hostvars[item]["peervpn_conf_interface"]].ipv4.address }}
-
-- name: Remove newline from API server IP address
-  set_fact:
-    apiServer: "{{apiServer |replace('\n', '')}}"
-
-- include_tasks: kubectl-config.yml
-  loop:
-    - kube-proxy
-    - kube-controller-manager
-    - kube-scheduler
-    - admin
-  loop_control:
-    loop_var: service
-
-- include_tasks: kubectl-cluster-config.yml
-
-- name: Create encryption config file
-  template:
-    src: "templates/encryption-config.yaml.j2"
-    dest: "{{k8s_encryption_config_directory}}/encryption-config.yaml"
-    mode: 0600

roles/kubectl/templates/encryption-config.yaml.j2

@@ -1,11 +0,0 @@
-kind: EncryptionConfig
-apiVersion: v1
-resources:
-  - resources:
-      - secrets
-    providers:
-      - aescbc:
-          keys:
-            - name: key1
-              secret: {{k8s_encryption_config_key}}
-      - identity: {}

roles/kubectl/tests/inventory

@@ -1,2 +0,0 @@
-localhost
-

roles/kubectl/tests/test.yml

@@ -1,5 +0,0 @@
----
-- hosts: localhost
-  remote_user: root
-  roles:
-    - .

roles/kubectl/vars/main.yml

@@ -1 +0,0 @@
----

roles/kubernetes-ca/README.md

@@ -1,233 +0,0 @@
-ansible-role-kubernetes-ca
-==========================
-
-This role is used in [Kubernetes the not so hard way with Ansible (at scaleway) - Part 4 - Certificate authority (CA)](https://www.tauceti.blog/post/kubernetes-the-not-so-hard-way-with-ansible-at-scaleway-part-4/). It basically creates two CA's (one for etcd and one for Kubernetes API server) and the certificates needed to secure communication of the Kubernetes components. Besides the Kubernetes API server none of the Kubernetes components should communicate with the etcd cluster directly. For more information see [Kubernetes the not so hard way with Ansible (at scaleway) - Part 4 - Certificate authority (CA)](https://www.tauceti.blog/post/kubernetes-the-not-so-hard-way-with-ansible-at-scaleway-part-4/).
-
-Versions
---------
-
-I tag every release and try to stay with [semantic versioning](http://semver.org) (well kind of). If you want to use the role I recommend to checkout the latest tag. The master branch is basically development while the tags mark stable releases. But in general I try to keep master in good shape too. A tag `r1.0.0_v1.8.0` means this is release 1.0.0 of this role and it's meant to be used with Kubernetes version 1.8.0. If the role itself changes `rX.Y.Z` will increase. If the Kubernetes version changes `vX.Y.Z` will increase. This allows to tag bugfixes and new major versions of the role while it's still developed for a specific Kubernetes release.
-
-**r5.0.0_v1.10.4**
-
-- Implemented changes needed for Kubernetes v1.10.x.
-- Renamed certificate files `cert-kube-proxy*` -> `cert-k8s-proxy*` to be in pair with the other certificate file names
-- Added `k8s_controller_manager_csr_*` variables for kube-controller-manager client certificate
-- Added `k8s_scheduler_csr_*` variables for kube-scheduler client certificate
-
-**r4.0.1_v1.9.8**
-
-- No changes. Just added Git tag for Kubernetes v1.9.8 to be in pair with controller and worker roles.
-
-**r4.0.1_v1.9.3**
-
-- No changes. Just added Git tag for Kubernetes v1.9.3 to be in pair with controller and worker roles.
-
-**r4.0.1_v1.8.4**
-
-- Changed default of `k8s_ca_conf_directory` to `{{ '~/k8s/certs' | expanduser }}`. By default this will expand to user's LOCAL $HOME (the user that run's `ansible-playbook ...` plus `/k8s/certs`. That means if the user's `$HOME` directory is e.g. `/home/da_user` then `k8s_ca_conf_directory` will have a value of `/home/da_user/k8s/certs`. As the user normally has write access to his `$HOME` directory we don't rely on the parent directory permission if we deploy the role without root permissions. If you defined this variable with a different value before this change then you don't need to bother about this change.
-
-**r3.0.0_v1.8.4**
-
-- include worker node names/ips into CSR (certificate signing request) for kube-apiserver certificate
-
-**r1.0.1_v1.8.0**
-
-- renamed `cfssl_*` variables to `k8s_ca_*`
-- change defaults for key algos and sizes to match settings in https://github.com/kelseyhightower/kubernetes-the-hard-way/blob/master/docs/04-certificate-authority.md
-- added admin client certificate
-- added kubelet client certificates used in Kuberetes 1.7/1.8
-- added kube-proxy client certificate used in Kubernetes 1.7/1.8
-- Hostname,FQDN,internal IP and PeerVPN IP of all controller hosts are added automatically to Kubernetes API server certificate now
-- Hostname,FQDN,internal IP and PeerVPN IP for every worker host certificate is added automatically to the worker certificate
-
-**r1.0.0_v1.6.0**
-
-- Initial Ansible role.
-
-Requirements
-------------
-
-This playbook needs [CFSSL](https://github.com/cloudflare/cfssl) PKI toolkit binaries installed. You can use [ansible-role-cfssl](https://github.com/githubixx/ansible-role-cfssl) to install CFSSL locally on your machine. If you want to store the generated certificates and CA's locally or on a network share specify the role variables below in `host_vars/localhost` or in `group_vars/all`.
-
-Role Variables
---------------
-
-This playbook has quite a few variables. But that's mainly information needed for the certificates.
-
-```
-k8s_ca_conf_directory: "{{ '~/k8s/certs' | expanduser }}"
-k8s_ca_certificate_owner: "root"
-k8s_ca_certificate_group: "root"
-```
-
-`k8s_ca_conf_directory` tells Ansible where to store the CA's and certificate files. To enable Ansible to read the files in later runs you should specify a user and group in `k8s_ca_certificate_owner` / `k8s_ca_certificate_group` which has permissions (in most cases this will be the user you use on your workstation).
-
-```
-ca_etcd_expiry: "87600h"
-```
-`ca_etcd_expiry` sets the expiry date for etcd root CA.
-
-```
-ca_etcd_csr_cn: "Etcd"
-ca_etcd_csr_key_algo: "rsa"
-ca_etcd_csr_key_size: "2048"
-ca_etcd_csr_names_c: "DE"
-ca_etcd_csr_names_l: "The_Internet"
-ca_etcd_csr_names_o: "Kubernetes"
-ca_etcd_csr_names_ou: "BY"
-ca_etcd_csr_names_st: "Bayern"
-```
-This are used to create the CSR (certificate signing request) of the CA (certificate authority) which we use to sign certifcates for etcd.
-
-```
-ca_k8s_apiserver_expiry: "87600h"
-```
-`ca_k8s_apiserver_expiry` sets the expiry date for Kubernetes API server root CA.
-
-```
-ca_k8s_apiserver_csr_cn: "Kubernetes"
-ca_k8s_apiserver_csr_key_algo: "rsa"
-ca_k8s_apiserver_csr_key_size: "2048"
-ca_k8s_apiserver_csr_names_c: "DE"
-ca_k8s_apiserver_csr_names_l: "The_Internet"
-ca_k8s_apiserver_csr_names_o: "Kubernetes"
-ca_k8s_apiserver_csr_names_ou: "BY"
-ca_k8s_apiserver_csr_names_st: "Bayern"
-```
-This are used to create the CSR (certificate signing request) of the CA (certificate authority) which we use to sign certifcates for the Kubernetes API server.
-
-```
-etcd_csr_cn: "Etcd"
-etcd_csr_key_algo: "rsa"
-etcd_csr_key_size: "2048"
-etcd_csr_names_c: "DE"
-etcd_csr_names_l: "The_Internet"
-etcd_csr_names_o: "Kubernetes"
-etcd_csr_names_ou: "BY"
-etcd_csr_names_st: "Bayern"
-```
-This parameters are used to create the CSR for the certificate that is used to secure the etcd communication.
-
-```
-k8s_apiserver_csr_cn: "Kubernetes"
-k8s_apiserver_csr_key_algo: "rsa"
-k8s_apiserver_csr_key_size: "2048"
-k8s_apiserver_csr_names_c: "DE"
-k8s_apiserver_csr_names_l: "The_Internet"
-k8s_apiserver_csr_names_o: "Kubernetes"
-k8s_apiserver_csr_names_ou: "BY"
-k8s_apiserver_csr_names_st: "Bayern"
-```
-This parameter are used to create the CSR for the certificate that is used to secure the Kubernetes API server communication.
-
-```
-k8s_admin_csr_cn: "admin"
-k8s_admin_csr_key_algo: "rsa"
-k8s_admin_csr_key_size: "2048"
-k8s_admin_csr_names_c: "DE"
-k8s_admin_csr_names_l: "The_Internet"
-k8s_admin_csr_names_o: "system:masters" # DO NOT CHANGE!
-k8s_admin_csr_names_ou: "BY"
-k8s_admin_csr_names_st: "Bayern"
-```
-This variables are used to create the CSR for the certificate that is used for the admin user (and which `kubectl` will use).
-
-```
-k8s_worker_csr_key_algo: "rsa"
-k8s_worker_csr_key_size: "2048"
-k8s_worker_csr_names_c: "DE"
-k8s_worker_csr_names_l: "The_Internet"
-k8s_worker_csr_names_o: "system:nodes" # DO NOT CHANGE!
-k8s_worker_csr_names_ou: "BY"
-k8s_worker_csr_names_st: "Bayern"
-```
-CSR parameter for kubelet client certificates.
-
-```
-k8s_controller_manager_csr_key_algo: "rsa"
-k8s_controller_manager_csr_key_size: "2048"
-k8s_controller_manager_csr_names_c: "DE"
-k8s_controller_manager_csr_names_l: "The_Internet"
-k8s_controller_manager_csr_names_o: "system:kube-controller-manager" # DO NOT CHANGE!
-k8s_controller_manager_csr_names_ou: "BY"
-k8s_controller_manager_csr_names_st: "Bayern"
-```
-This variables are needed to generate the CSR for the `kube-controller-manager` client certificate.
-
-```
-k8s_scheduler_csr_key_algo: "rsa"
-k8s_scheduler_csr_key_size: "2048"
-k8s_scheduler_csr_names_c: "DE"
-k8s_scheduler_csr_names_l: "The_Internet"
-k8s_scheduler_csr_names_o: "system:kube-scheduler" # DO NOT CHANGE!
-k8s_scheduler_csr_names_ou: "BY"
-k8s_scheduler_csr_names_st: "Bayern"
-```
-This variables are needed to generate the CSR for the `kube-scheduler` client certificate.
-
-```
-k8s_controller_manager_sa_csr_cn: "service-accounts"
-k8s_controller_manager_sa_csr_key_algo: "rsa"
-k8s_controller_manager_sa_csr_key_size: "2048"
-k8s_controller_manager_sa_csr_names_c: "DE"
-k8s_controller_manager_sa_csr_names_l: "The_Internet"
-k8s_controller_manager_sa_csr_names_o: "Kubernetes"
-k8s_controller_manager_sa_csr_names_ou: "BY"
-k8s_controller_manager_sa_csr_names_st: "Bayern"
-```
-CSR parameter for kube-controller-manager service account key pair. The kube-controller-manager leverages a key pair to generate and sign service account tokens as described in the [managing service accounts](https://kubernetes.io/docs/admin/service-accounts-admin/) documentation.
-
-```
-k8s_kube_proxy_csr_cn: "system:kube-proxy" # DO NOT CHANGE!
-k8s_kube_proxy_csr_key_algo: "rsa"
-k8s_kube_proxy_csr_key_size: "2048"
-k8s_kube_proxy_csr_names_c: "DE"
-k8s_kube_proxy_csr_names_l: "The_Internet"
-k8s_kube_proxy_csr_names_o: "system:node-proxier" # DO NOT CHANGE!
-k8s_kube_proxy_csr_names_ou: "BY"
-k8s_kube_proxy_csr_names_st: "Bayern"
-```
-CSR parameter for the kube-proxy client certificate.
-
-```
-etcd_cert_hosts:
-  - 127.0.0.1
-  - etcd0
-  - etcd1
-  - etcd2
-```
-Here you can add additional etcd hosts that should be included in the certificate. In general the role will include all IP's, hostnames and FQDN that are needed.
-
-```
-k8s_apiserver_cert_hosts:
-  - 127.0.0.1
-  - 10.32.0.1
-  - kubernetes
-  - kubernetes.default
-  - kubernetes.default.svc
-  - kubernetes.default.svc.cluster.local
-```
-Here the same is basically true as with `etcd_cert_hosts` but we also include the Kubernetes service IP `10.32.0.1` (which you will get BTW if you execute `nslookup kubernetes` later in one of the pods). We also include 127.0.0.1 (localhost) and we include some default Kubernetes hostname's that are available by default if KubeDNS is deployed.
-
-In general I need to do more testing to be sure if the values in `etcd_cert_hosts` and `k8s_apiserver_cert_hosts` are really needed. But while developing this Kubernetes roles it was annoying if you get error's because the certificates are not correct. And it takes a while to replace them. So I'll keep it here for now until I know better ;-)
-
-Example Playbook
-----------------
-
-```
-- hosts: k8s_ca
-
-  roles:
-    - githubixx.kubernetes-ca
-```
-
-License
--------
-
-GNU GENERAL PUBLIC LICENSE Version 3
-
-Author Information
-------------------
-
-[http://www.tauceti.blog](http://www.tauceti.blog)

roles/kubernetes-ca/defaults/main.yml

@@ -1,113 +0,0 @@
----
-# The directory from where to copy the K8s certificates. By default this
-# will expand to user's LOCAL $HOME (the user that run's "ansible-playbook ..."
-# plus "/k8s/certs". That means if the user's $HOME directory is e.g.
-# "/home/da_user" then "k8s_ca_conf_directory" will have a value of
-# "/home/da_user/k8s/certs".
-k8s_ca_conf_directory: "{{ '~/k8s/certs' | expanduser }}"
-k8s_ca_certificate_owner: "root"
-k8s_ca_certificate_group: "root"
-
-
-# Expiry for Kubernetes API server root certificates
-ca_expiry: "87600h"
-
-k8s_csr:
-  master:
-    - name: "ca"
-      cn: "Kubernetes"
-      key_algo: "rsa"
-      key_size: "2048"
-      names_c: "BE"
-      names_l: "The_Internet"
-      names_o: "Kubernetes"
-      names_ou: "CA"
-      names_st: "Luxembourg"
-    - name: "etcd"
-      cn: "Etcd"
-      key_algo: "rsa"
-      key_size: "2048"
-      names_c: "BE"
-      names_l: "The_Internet"
-      names_o: "Kubernetes"
-      names_ou: "{{ k8s_config_cluster_name }}"
-      names_st: "Luxembourg"
-      hostnames: "{{etcdHosts}}"
-    - name: "apiserver"    
-      cn: "Kubernetes"
-      key_algo: "rsa"
-      key_size: "2048"
-      names_c: "BE"
-      names_l: "The_Internet"
-      names_o: "Kubernetes"
-      names_ou: "{{ k8s_config_cluster_name }}"
-      names_st: "Luxembourg"
-      hostnames: "{{k8sHosts}}"
-    - name: "admin"
-      cn: "admin"
-      key_algo: "rsa"
-      key_size: "2048"
-      names_c: "BE"
-      names_l: "The_Internet"
-      names_o: "system:masters" # DO NOT CHANGE!
-      names_ou: "{{ k8s_config_cluster_name }}"
-      names_st: "Luxembourg"
-    - name: "kube-proxy"
-      cn: "system:kube-proxy" # DO NOT CHANGE!
-      key_algo: "rsa"
-      key_size: "2048"
-      names_c: "BE"
-      names_l: "The_Internet"
-      names_o: "system:node-proxier" # DO NOT CHANGE!
-      names_ou: "{{ k8s_config_cluster_name }}"
-      names_st: "Luxembourg"
-    - name: "kube-controller-manager"
-      cn: "system:kube-controller-manager" # DO NOT CHANGE!
-      key_algo: "rsa"
-      key_size: "2048"
-      names_c: "BE"
-      names_l: "The_Internet"
-      names_o: "system:kube-controller-manager" # DO NOT CHANGE!
-      names_ou: "{{ k8s_config_cluster_name }}"
-      names_st: "Luxembourg"
-    - name: "kube-scheduler"
-      cn: "system:kube-scheduler" # DO NOT CHANGE!
-      key_algo: "rsa"
-      key_size: "2048"
-      names_c: "BE"
-      names_l: "The_Internet"
-      names_o: "system:kube-scheduler" # DO NOT CHANGE!
-      names_ou: "{{ k8s_config_cluster_name }}"
-      names_st: "Luxembourg"
-    - name: "service-account"
-      cn: "service-accounts"
-      key_algo: "rsa"
-      key_size: "2048"
-      names_c: "BE"
-      names_l: "The_Internet"
-      names_o: "Kubernetes"
-      names_ou: "{{ k8s_config_cluster_name }}"
-      names_st: "Luxembourg"
-  worker:
-    name: "worker"
-    key_algo: "rsa"
-    key_size: "2048"
-    names_c: "BE"
-    names_l: "The_Internet"
-    names_o: "system:nodes" # DO NOT CHANGE!
-    names_ou: "{{ k8s_config_cluster_name }}"
-    names_st: "Luxembourg"
-
-etcd_cert_hosts:
-  - 127.0.0.1
-  - etcd0
-  - etcd1
-  - etcd2
-
-k8s_apiserver_cert_hosts:
-  - 127.0.0.1
-  - 10.32.0.1
-  - kubernetes
-  - kubernetes.default
-  - kubernetes.default.svc
-  - kubernetes.default.svc.cluster.local

roles/kubernetes-ca/handlers/main.yml

@@ -1 +0,0 @@
----

roles/kubernetes-ca/meta/main.yml

@@ -1,14 +0,0 @@
-galaxy_info:
-  author: Robert Wimmer
-  description: Generate Kubernetes CA plus certificates for etcd and Kubernetes API server
-  license: GPLv3
-  min_ansible_version: 2.2
-  platforms:
-  - name: Ubuntu
-    versions:
-    - xenial
-  galaxy_tags:
-    - tls
-    - certificate
-    - security
-    - kubernetes

roles/kubernetes-ca/tasks/main.yml

@@ -1,148 +0,0 @@
----
-- name: Generate list of IP addresses and hostnames needed for Kubernetes API server certificate
-  set_fact:
-    tmpK8sHosts: |
-      {% set comma = joiner(",") %}
-      {% for item in groups["k8s_master"] -%}
-        {{ comma() }}{{ hostvars[item].private_ip }}{{ comma() }}{{ hostvars[item]["ansible_"+hostvars[item]["peervpn_conf_interface"]].ipv4.address }}{{ comma() }}{{ hostvars[item]["public_ip"] }}{{ comma() }}{{ hostvars[item].ansible_hostname }}
-      {%- endfor %}
-      {% for item in groups["k8s_worker"] -%}
-        {{ comma() }}{{ hostvars[item].private_ip}}{{ comma() }}{{ hostvars[item]["ansible_"+hostvars[item]["peervpn_conf_interface"]].ipv4.address }}{{ comma() }}{{ hostvars[item]["public_ip"] }}{{ comma() }}{{ hostvars[item].ansible_hostname }}
-      {%- endfor %}
-      {% for item in k8s_apiserver_cert_hosts -%}
-        {{ comma() }}{{item}}
-      {%- endfor %}
-  tags:
-    - kubernetes-ca
-
-- name: Remove newline from controller hosts list
-  set_fact:
-    k8sHosts: "{{tmpK8sHosts |replace('\n', '')}}"
-  tags:
-    - kubernetes-ca
-
-- name: Output of hostnames/IPs used for Kubernetes API server certificate
-  debug: var=k8sHosts
-  tags:
-    - kubernetes-ca
-- name: Generate list of IP addresses and hostnames needed for etcd certificate
-  set_fact:
-    tmpEtcdHosts: |
-      {% set comma = joiner(",") %}
-      {% for item in groups["k8s_etcd"] -%}
-        {{ comma() }}{{ hostvars[item].private_ip}}{{ comma() }}{{ hostvars[item]["ansible_"+hostvars[item]["peervpn_conf_interface"]].ipv4.address }}{{ comma() }}{{hostvars[item]["public_ip"]}}{{ comma() }}{{ hostvars[item].ansible_hostname }}
-      {%- endfor %}
-      {% for item in etcd_cert_hosts -%}
-        {{ comma() }}{{item}}
-      {%- endfor %}
-  tags:
-    - kubernetes-ca
-    - kubernetes-ca-etcd
-
-- name: Remove newline from etcd hosts list
-  set_fact:
-    etcdHosts: "{{tmpEtcdHosts |replace('\n', '')}}"
-  tags:
-    - kubernetes-ca
-    - kubernetes-ca-etcd
-
-- name: Output of hostnames/IPs used for etcd certificate
-  debug: var=etcdHosts
-  tags:
-    - kubernetes-ca
-    - kubernetes-ca-etcd
-
-- name: Create directory for CA and certificate files
-  file:
-    path: "{{k8s_ca_conf_directory}}"
-    owner: "{{k8s_ca_certificate_owner}}"
-    group: "{{k8s_ca_certificate_group}}"
-    mode: 0755
-    state: directory
-  tags:
-    - kubernetes-ca
-
-- name: Create CA configuration file
-  template:
-    src: "ca-config.json.j2"
-    dest: "{{k8s_ca_conf_directory}}/ca-config.json"
-    owner: "{{k8s_ca_certificate_owner}}"
-    group: "{{k8s_ca_certificate_group}}"
-    mode: 0600
-  tags:
-    - kubernetes-ca
-
-- name: Create the CSR files
-  template:
-    src: "csr.json.j2"
-    dest: "{{k8s_ca_conf_directory}}/{{ item.name }}-csr.json"
-    owner: "{{k8s_ca_certificate_owner}}"
-    group: "{{k8s_ca_certificate_group}}"
-    mode: 0600
-  tags:
-    - kubernetes-ca
-  loop: "{{ k8s_csr.master|flatten(levels=1)}}"
-  loop_control:
-    label: "{{ item.name }}"
-
-- name: Generate CA and private key
-  shell: cfssl gencert -initca ca-csr.json | cfssljson -bare ca
-  args:
-    chdir: "{{k8s_ca_conf_directory}}"
-    creates: "{{k8s_ca_conf_directory}}/ca-key.pem"
-  tags:
-    - kubernetes-ca
-
-- name: Create the worker CSR files
-  template:
-    src: "cert-worker-csr.json.j2"
-    dest: "{{k8s_ca_conf_directory}}/{{item}}-csr.json"
-    owner: "{{k8s_ca_certificate_owner}}"
-    group: "{{k8s_ca_certificate_group}}"
-    mode: 0600
-  with_inventory_hostnames:
-    - k8s_worker
-  vars:
-    - workerHost: "{{item}}"
-  tags:
-    - kubernetes-ca
-
-- name: Generate TLS certificates whith hostname
-  shell: "cfssl gencert -ca=ca.pem -ca-key=ca-key.pem -config=ca-config.json -hostname={{item.hostnames}} -profile=kubernetes {{item.name}}-csr.json | cfssljson -bare {{item.name}}"
-  args:
-    chdir: "{{k8s_ca_conf_directory}}"
-    creates: "{{k8s_ca_conf_directory}}/{{item.name}}-key.pem"
-  tags:
-    - kubernetes-ca
-  loop: "{{ k8s_csr.master|flatten(levels=1)}}"
-  loop_control:
-    label: "{{ item.name }}"
-  when: item.hostnames is defined
-
-- name: Generate TLS certificates whithout hostname
-  shell: "cfssl gencert -ca=ca.pem -ca-key=ca-key.pem -config=ca-config.json -profile=kubernetes {{item.name}}-csr.json | cfssljson -bare {{item.name}}"
-  args:
-    chdir: "{{k8s_ca_conf_directory}}"
-    creates: "{{k8s_ca_conf_directory}}/{{item.name}}-key.pem"
-  tags:
-    - kubernetes-ca
-  loop: "{{ k8s_csr.master|flatten(levels=1)}}"
-  loop_control:
-    label: "{{ item.name }}"
-  when: item.hostnames is not defined
-
-- name: Generate TLS certificates for Kubernetes worker hosts
-  shell: "cfssl gencert -ca=ca.pem -ca-key=ca-key.pem -config=ca-config.json -hostname={{hostvars[item]['ansible_hostname']}},{{hostvars[item]['ansible_default_ipv4']['address']}},{{hostvars[item]['ansible_'+hostvars[item]['peervpn_conf_interface']].ipv4.address}} -profile=kubernetes {{item}}-csr.json | cfssljson -bare {{item}}"
-  args:
-    chdir: "{{k8s_ca_conf_directory}}"
-    creates: "{{k8s_ca_conf_directory}}/{{item}}-key.pem"
-  with_inventory_hostnames:
-    - k8s_worker
-  tags:
-    - kubernetes-ca
-- name: Allow ansible_user to read private keys
-  file:
-    path: "{{k8s_ca_conf_directory}}"
-    state: directory
-    owner: "{{ ansible_user }}"
-    recurse: yes

roles/kubernetes-ca/templates/ca-config.json.j2

@@ -1,18 +0,0 @@
-{
-  "signing": {
-    "default": {
-      "expiry": "{{ ca_expiry }}"
-    },
-    "profiles": {
-      "kubernetes": {
-         "usages": [
-            "signing",
-            "key encipherment",
-            "server auth",
-            "client auth"
-          ],
-          "expiry": "{{ ca_expiry }}"
-      }
-    }
-  }
-}

roles/kubernetes-ca/templates/cert-worker-csr.json.j2

@@ -1,16 +0,0 @@
-{
-  "CN": "system:node:{{hostvars[workerHost]['ansible_hostname']}}",
-  "key": {
-    "algo": "{{k8s_csr.worker.key_algo}}",
-    "size": {{k8s_csr.worker.key_size}}
-  },
-  "names": [
-    {
-      "C": "{{k8s_csr.worker.names_c}}",
-      "L": "{{k8s_csr.worker.names_l}}",
-      "O": "{{k8s_csr.worker.names_o}}",
-      "OU": "{{k8s_csr.worker.names_ou}}",
-      "ST": "{{k8s_csr.worker.names_st}}"
-    }
-  ]
-}

roles/kubernetes-ca/templates/csr.json.j2

@@ -1,16 +0,0 @@
-{
-  "CN": "{{item.cn}}",
-  "key": {
-    "algo": "{{item.key_algo}}",
-    "size": {{item.key_size}}
-  },
-  "names": [
-    {
-      "C": "{{item.names_c}}",
-      "L": "{{item.names_l}}",
-      "O": "{{item.names_o}}",
-      "OU": "{{item.names_ou}}",
-      "ST": "{{item.names_st}}"
-    }
-  ]
-}

roles/kubernetes-ca/tests/inventory

@@ -1 +0,0 @@
-localhost

roles/kubernetes-ca/tests/test.yml

@@ -1,5 +0,0 @@
----
-- hosts: localhost
-  remote_user: root
-  roles:
-    - .

roles/kubernetes-ca/vars/main.yml

@@ -1 +0,0 @@
----

roles/kubernetes-controller/LICENSE

@@ -1,674 +0,0 @@
-                    GNU GENERAL PUBLIC LICENSE
-                       Version 3, 29 June 2007
-
- Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
- Everyone is permitted to copy and distribute verbatim copies
- of this license document, but changing it is not allowed.
-
-                            Preamble
-
-  The GNU General Public License is a free, copyleft license for
-software and other kinds of works.
-
-  The licenses for most software and other practical works are designed
-to take away your freedom to share and change the works.  By contrast,
-the GNU General Public License is intended to guarantee your freedom to
-share and change all versions of a program--to make sure it remains free
-software for all its users.  We, the Free Software Foundation, use the
-GNU General Public License for most of our software; it applies also to
-any other work released this way by its authors.  You can apply it to
-your programs, too.
-
-  When we speak of free software, we are referring to freedom, not
-price.  Our General Public Licenses are designed to make sure that you
-have the freedom to distribute copies of free software (and charge for
-them if you wish), that you receive source code or can get it if you
-want it, that you can change the software or use pieces of it in new
-free programs, and that you know you can do these things.
-
-  To protect your rights, we need to prevent others from denying you
-these rights or asking you to surrender the rights.  Therefore, you have
-certain responsibilities if you distribute copies of the software, or if
-you modify it: responsibilities to respect the freedom of others.
-
-  For example, if you distribute copies of such a program, whether
-gratis or for a fee, you must pass on to the recipients the same
-freedoms that you received.  You must make sure that they, too, receive
-or can get the source code.  And you must show them these terms so they
-know their rights.
-
-  Developers that use the GNU GPL protect your rights with two steps:
-(1) assert copyright on the software, and (2) offer you this License
-giving you legal permission to copy, distribute and/or modify it.
-
-  For the developers' and authors' protection, the GPL clearly explains
-that there is no warranty for this free software.  For both users' and
-authors' sake, the GPL requires that modified versions be marked as
-changed, so that their problems will not be attributed erroneously to
-authors of previous versions.
-
-  Some devices are designed to deny users access to install or run
-modified versions of the software inside them, although the manufacturer
-can do so.  This is fundamentally incompatible with the aim of
-protecting users' freedom to change the software.  The systematic
-pattern of such abuse occurs in the area of products for individuals to
-use, which is precisely where it is most unacceptable.  Therefore, we
-have designed this version of the GPL to prohibit the practice for those
-products.  If such problems arise substantially in other domains, we
-stand ready to extend this provision to those domains in future versions
-of the GPL, as needed to protect the freedom of users.
-
-  Finally, every program is threatened constantly by software patents.
-States should not allow patents to restrict development and use of
-software on general-purpose computers, but in those that do, we wish to
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-  You should also get your employer (if you work as a programmer) or school,
-if any, to sign a "copyright disclaimer" for the program, if necessary.
-For more information on this, and how to apply and follow the GNU GPL, see
-<http://www.gnu.org/licenses/>.
-
-  The GNU General Public License does not permit incorporating your program
-into proprietary programs.  If your program is a subroutine library, you
-may consider it more useful to permit linking proprietary applications with
-the library.  If this is what you want to do, use the GNU Lesser General
-Public License instead of this License.  But first, please read
-<http://www.gnu.org/philosophy/why-not-lgpl.html>.

roles/kubernetes-controller/README.md

@@ -1,218 +0,0 @@
-ansible-role-kubernetes-controller
-==================================
-
-This role is used in [Kubernetes the not so hard way with Ansible (at scaleway) - Part 6 - Control plane](https://www.tauceti.blog/post/kubernetes-the-not-so-hard-way-with-ansible-at-scaleway-part-6/). It installes the Kubernetes API server, scheduler and controller manager. For more information about this role please have a look at [Kubernetes the not so hard way with Ansible (at scaleway) - Part 6 - Control plane](https://www.tauceti.blog/post/kubernetes-the-not-so-hard-way-with-ansible-at-scaleway-part-6/).
-
-Versions
---------
-
-I tag every release and try to stay with [semantic versioning](http://semver.org) (well kind of...). If you want to use the role I recommend to checkout the latest tag. The master branch is basically development while the tags mark stable releases. But in general I try to keep master in good shape too. A tag `r1.0.0_v1.8.0` means this is release 1.0.0 of this role and it's meant to be used with Kubernetes version 1.8.0 (but will work with any 1.8.x release of course). If the role itself changes `rX.Y.Z` will increase. If the Kubernetes version changes `vX.Y.Z` will increase. This allows to tag bugfixes and new major versions of the role while it's still developed for a specific Kubernetes release. That's especially useful for Kubernetes major releases with breaking changes.
-
-Requirements
-------------
-
-This role requires that you already created some certificates for Kubernetes API server (see [Kubernetes the not so hard way with Ansible (at Scaleway) - Part 4 - Certificate authority (CA)](https://www.tauceti.blog/post/kubernetes-the-not-so-hard-way-with-ansible-at-scaleway-part-4/)). The role copies the certificates from `k8s_ca_conf_directory` to the destination host. You should also setup PeerVPN (see [Kubernetes the not so hard way with Ansible (at Scaleway) - Part 3 - Peervpn](https://www.tauceti.blog/post/kubernetes-the-not-so-hard-way-with-ansible-at-scaleway-part-3/) and of course a etcd cluster (see [Kubernetes the not so hard way with Ansible (at Scaleway) - Part 5 - etcd cluster](https://www.tauceti.blog/post/kubernetes-the-not-so-hard-way-with-ansible-at-scaleway-part-5/)
-
-Changelog
----------
-
-**r4.0.2_v1.10.4**
-
-- wait for kube-apiserver on port 8080 no longer needed (fixes [#11](https://github.com/githubixx/ansible-role-kubernetes-controller/issues/11))
-
-**r4.0.0_v1.10.4**
-
-- update `k8s_release` to `1.10.4`
-- removed deprecated kube-apiserver parameter `insecure-bind-address` (see: [#59018](https://github.com/kubernetes/kubernetes/pull/59018))
-- added variable `k8s_apiserver_secure_port: 6443`
-- added parameter `secure-port` to `k8s_apiserver_settings` parameter list
-- added `kube-controller-manager-ca` certificate files to `k8s_certificates` list
-- added variable `k8s_controller_manager_conf_dir` / added kubeconfig for kube-controller-manager
-- added variable `k8s_scheduler_conf_dir` / added kubeconfig for kube-scheduler / settings for kube-scheduler now in ` templates/var/lib/kube-scheduler/kube-scheduler.yaml.j2`
-- added kubeconfig for `admin` user (located by default in `k8s_conf_dir`). This `admin.kubeconfig` will be needed for `kubectl`
-- new `service-account-key-file` value for kube-apiserver
-- changes in `k8s_controller_manager_settings`: removed `master` parameter, added `kubeconfig`, new value for `service-account-private-key-file`, new parameter `use-service-account-credentials`
-
-**r3.0.0_v1.9.8**
-
-- update `k8s_release` to `1.9.8`
-
-**r3.0.0_v1.9.3**
-
-- update `k8s_release` to `1.9.3`
-
-**r3.0.0_v1.9.1**
-
-- move advertise-address,bind-address,insecure-bind-address out of kube-apiserver.service.j2 template
-- move address,master settings out of kube-controller-manager.service.j2 template / fix variable bug in `k8s_apiserver_settings`
-- move address,master settings out of kube-scheduler.service.j2 template
-- fix: use `k8s_etcd` hosts group instead of `k8s_controller` group to generate etcd server list
-- we need to wait for kube-apiserver port 8080 to become ready before running kubectl tasks
-
-**r2.0.2_v1.9.1**
-
-- update to Kubernetes v1.9.1
-
-**r2.0.1_v1.9.0**
-
-- removed duplicate key cluster-signing-cert-file from `k8s_controller_manager_settings` dictionary
-
-**r2.0.0_v1.9.0**
-
-- introduce flexible parameter settings for API server via `k8s_apiserver_settings/k8s_apiserver_settings_user`
-- introduce flexible parameter settings for controller manager via `k8s_controller_manager_settings/k8s_controller_manager_settings_user`
-- introduce flexible parameter settings for kube-scheduler via `k8s_scheduler_settings/k8s_scheduler_settings_user`
-- change defaults for `k8s_ca_conf_directory` and `k8s_config_directory` variables
-- update to Kubernetes v1.9.0
-
-
-No changelog for releases < r2.0.0_v1.9.0 (see commit history if needed)
-
-
-Role (default) variables
-------------------------
-
-```
-# The directory to store the K8s certificates and other configuration
-k8s_conf_dir: "/var/lib/kubernetes"
-# The directory to store the K8s binaries
-k8s_bin_dir: "/usr/local/bin"
-# K8s release
-k8s_release: "1.10.4"
-# The interface on which the K8s services should listen on. As all cluster
-# communication should use the PeerVPN interface the interface name is
-# normally "tap0" or "peervpn0".
-k8s_interface: "tap0"
-
-# The directory from where to copy the K8s certificates. By default this
-# will expand to user's LOCAL $HOME (the user that run's "ansible-playbook ..."
-# plus "/k8s/certs". That means if the user's $HOME directory is e.g.
-# "/home/da_user" then "k8s_ca_conf_directory" will have a value of
-# "/home/da_user/k8s/certs".
-k8s_ca_conf_directory: "{{ '~/k8s/certs' | expanduser }}"
-# Directory where kubeconfig for Kubernetes worker nodes and kube-proxy
-# is stored among other configuration files. Same variable expansion
-# rule applies as with "k8s_ca_conf_directory"
-k8s_config_directory: "{{ '~/k8s/configs' | expanduser }}"
-
-# K8s control plane binaries to download
-k8s_controller_binaries:
-  - kube-apiserver
-  - kube-controller-manager
-  - kube-scheduler
-  - kubectl
-
-# K8s API daemon certificates
-k8s_certificates:
-  - ca-k8s-apiserver.pem
-  - ca-k8s-apiserver-key.pem
-  - cert-k8s-apiserver.pem
-  - cert-k8s-apiserver-key.pem
-  - cert-k8s-controller-manager-sa.pem
-  - cert-k8s-controller-manager-sa-key.pem
-
-k8s_apiserver_secure_port: "6443"
-
-# kube-apiserver settings (can be overriden or additional added by defining
-# "k8s_apiserver_settings_user" - see text below)
-k8s_apiserver_settings:
-  "advertise-address": "hostvars[inventory_hostname]['ansible_' + k8s_interface].ipv4.address"
-  "bind-address": "hostvars[inventory_hostname]['ansible_' + k8s_interface].ipv4.address"
-  "secure-port": "{{k8s_apiserver_secure_port}}"
-  "enable-admission-plugins": "Initializers,NamespaceLifecycle,NodeRestriction,LimitRanger,ServiceAccount,DefaultStorageClass,ResourceQuota"
-  "allow-privileged": "true"
-  "apiserver-count": "3"
-  "authorization-mode": "Node,RBAC"
-  "audit-log-maxage": "30"
-  "audit-log-maxbackup": "3"
-  "audit-log-maxsize": "100"
-  "audit-log-path": "/var/log/audit.log"
-  "enable-swagger-ui": "true"
-  "event-ttl": "1h"
-  "kubelet-https": "true"
-  "kubelet-preferred-address-types": "InternalIP,Hostname,ExternalIP"
-  "runtime-config": "api/all"
-  "service-cluster-ip-range": "10.32.0.0/16"
-  "service-node-port-range": "30000-32767"
-  "client-ca-file": "{{k8s_conf_dir}}/ca-k8s-apiserver.pem"
-  "etcd-cafile": "{{k8s_conf_dir}}/ca-etcd.pem"
-  "etcd-certfile": "{{k8s_conf_dir}}/cert-etcd.pem"
-  "etcd-keyfile": "{{k8s_conf_dir}}/cert-etcd-key.pem"
-  "experimental-encryption-provider-config": "{{k8s_conf_dir}}/encryption-config.yaml"
-  "kubelet-certificate-authority": "{{k8s_conf_dir}}/ca-k8s-apiserver.pem"
-  "kubelet-client-certificate": "{{k8s_conf_dir}}/cert-k8s-apiserver.pem"
-  "kubelet-client-key": "{{k8s_conf_dir}}/cert-k8s-apiserver-key.pem"
-  "service-account-key-file": "{{k8s_conf_dir}}/cert-k8s-controller-manager-sa.pem"
-  "tls-ca-file": "{{k8s_conf_dir}}/ca-k8s-apiserver.pem"
-  "tls-cert-file": "{{k8s_conf_dir}}/cert-k8s-apiserver.pem"
-  "tls-private-key-file": "{{k8s_conf_dir}}/cert-k8s-apiserver-key.pem"
-
-# The directory to store controller manager configuration.
-k8s_controller_manager_conf_dir: "/var/lib/kube-controller-manager"
-
-# kube-controller-manager settings (can be overriden or additional added by defining
-# "k8s_controller_manager_settings_user" - see text below)
-k8s_controller_manager_settings:
-  "address": "{{hostvars[inventory_hostname]['ansible_' + k8s_interface].ipv4.address}}"
-  "cluster-cidr": "10.200.0.0/16"
-  "cluster-name": "kubernetes"
-  "kubeconfig": "{{k8s_controller_manager_conf_dir}}/kube-controller-manager.kubeconfig"
-  "leader-elect": "true"
-  "service-cluster-ip-range": "10.32.0.0/16"
-  "cluster-signing-cert-file": "{{k8s_conf_dir}}/ca-k8s-apiserver.pem"
-  "cluster-signing-key-file": "{{k8s_conf_dir}}/cert-k8s-apiserver-key.pem"
-  "root-ca-file": "{{k8s_conf_dir}}/ca-k8s-apiserver.pem"
-  "service-account-private-key-file": "{{k8s_conf_dir}}/cert-k8s-controller-manager-sa-key.pem"
-  "use-service-account-credentials": "true"
-
-# The directory to store scheduler configuration.
-k8s_scheduler_conf_dir: "/var/lib/kube-scheduler"
-
-# kube-scheduler settings (only --config left,
-# see https://github.com/kubernetes/kubernetes/pull/62515, remaining parameter deprecated)
-k8s_scheduler_settings:
-  "config": "{{k8s_scheduler_conf_dir}}/kube-scheduler.yaml"
-
-# The port the control plane componentes should connect to etcd cluster
-etcd_client_port: "2379"
-# The interface the etcd cluster is listening on
-etcd_interface: "tap0"
-
-# The etcd certificates needed for the control plane componentes to be able
-# to connect to the etcd cluster.
-etcd_certificates:
-  - ca-etcd.pem
-  - ca-etcd-key.pem
-  - cert-etcd.pem
-  - cert-etcd-key.pem
-```
-
-The kube-apiserver settings defined in `k8s_apiserver_settings` can be overriden by defining a variable called `k8s_apiserver_settings_user`. You can also add additional settings by using this variable. E.g. to override `audit-log-maxage` and `audit-log-maxbackup` default values and add `watch-cache` add the following settings to `group_vars/k8s.yml`:
-
-```
-k8s_apiserver_settings_user:
-  "audit-log-maxage": "40"
-  "audit-log-maxbackup": "4"
-  "watch-cache": "false"
-```
-
-The same is true for the `kube-controller-manager` by adding entries to `k8s_controller_manager_settings_user` variable. For `kube-scheduler` add entries to `k8s_scheduler_settings_user` variable to override/add settings in `k8s_scheduler_settings` dictionary.
-
-Example Playbook
-----------------
-
-```
-- hosts: k8s_controller
-  roles:
-    - githubixx.kubernetes-controller
-```
-
-License
--------
-
-GNU GENERAL PUBLIC LICENSE Version 3
-
-Author Information
-------------------
-
-[http://www.tauceti.blog](http://www.tauceti.blog)

roles/kubernetes-controller/defaults/main.yml

@@ -1,112 +0,0 @@
----
-# The directory to store the K8s certificates and other configuration
-k8s_conf_dir: "/var/lib/kubernetes"
-# The directory to store the K8s binaries
-k8s_bin_dir: "/usr/local/bin"
-# K8s release
-k8s_release: "1.10.4"
-# The interface on which the K8s services should listen on. As all cluster
-# communication should use the PeerVPN interface the interface name is
-# normally "tap0" or "peervpn0".
-k8s_interface: "tap0"
-
-# The directory from where to copy the K8s certificates. By default this
-# will expand to user's LOCAL $HOME (the user that run's "ansible-playbook ..."
-# plus "/k8s/certs". That means if the user's $HOME directory is e.g.
-# "/home/da_user" then "k8s_ca_conf_directory" will have a value of
-# "/home/da_user/k8s/certs".
-k8s_ca_conf_directory: "{{ '~/k8s/certs' | expanduser }}"
-# Directory where kubeconfig for Kubernetes worker nodes and kube-proxy
-# is stored among other configuration files. Same variable expansion
-# rule applies as with "k8s_ca_conf_directory"
-k8s_config_directory: "{{ '~/k8s/configs' | expanduser }}"
-
-# K8s control plane binaries to download
-k8s_controller_binaries:
-  - kube-apiserver
-  - kube-controller-manager
-  - kube-scheduler
-  - kubectl
-
-# K8s kube-(apiserver|controller-manager-sa) certificates
-k8s_certificates:
-  - ca-k8s-apiserver.pem
-  - ca-k8s-apiserver-key.pem
-  - cert-k8s-apiserver.pem
-  - cert-k8s-apiserver-key.pem
-  - cert-k8s-controller-manager-sa.pem
-  - cert-k8s-controller-manager-sa-key.pem
-
-k8s_apiserver_secure_port: "6443"
-
-# K8s API daemon settings (can be overriden or additional added by defining
-# "k8s_apiserver_settings_user")
-k8s_apiserver_settings:
-  "advertise-address": "{{hostvars[inventory_hostname]['ansible_' + k8s_interface].ipv4.address}}"
-  "bind-address": "{{hostvars[inventory_hostname]['ansible_' + k8s_interface].ipv4.address}}"
-  "secure-port": "{{k8s_apiserver_secure_port}}"
-  "enable-admission-plugins": "Initializers,NamespaceLifecycle,NodeRestriction,LimitRanger,ServiceAccount,DefaultStorageClass,ResourceQuota"
-  "allow-privileged": "true"
-  "apiserver-count": "3"
-  "authorization-mode": "Node,RBAC"
-  "audit-log-maxage": "30"
-  "audit-log-maxbackup": "3"
-  "audit-log-maxsize": "100"
-  "audit-log-path": "/var/log/audit.log"
-  "enable-swagger-ui": "true"
-  "event-ttl": "1h"
-  "kubelet-https": "true"
-  "kubelet-preferred-address-types": "InternalIP,Hostname,ExternalIP" # "--kubelet-preferred-address-types" defaults to:
-                                                                      # "Hostname,InternalDNS,InternalIP,ExternalDNS,ExternalIP"
-                                                                      # Needs to be changed to make "kubectl logs" and "kubectl exec" work.
-  "runtime-config": "api/all"
-  "service-cluster-ip-range": "10.32.0.0/16"
-  "service-node-port-range": "30000-32767"
-  "client-ca-file": "{{k8s_conf_dir}}/ca-k8s-apiserver.pem"
-  "etcd-cafile": "{{k8s_conf_dir}}/ca-etcd.pem"
-  "etcd-certfile": "{{k8s_conf_dir}}/cert-etcd.pem"
-  "etcd-keyfile": "{{k8s_conf_dir}}/cert-etcd-key.pem"
-  "experimental-encryption-provider-config": "{{k8s_conf_dir}}/encryption-config.yaml"
-  "kubelet-certificate-authority": "{{k8s_conf_dir}}/ca-k8s-apiserver.pem"
-  "kubelet-client-certificate": "{{k8s_conf_dir}}/cert-k8s-apiserver.pem"
-  "kubelet-client-key": "{{k8s_conf_dir}}/cert-k8s-apiserver-key.pem"
-  "service-account-key-file": "{{k8s_conf_dir}}/cert-k8s-controller-manager-sa.pem"
-  "tls-cert-file": "{{k8s_conf_dir}}/cert-k8s-apiserver.pem"
-  "tls-private-key-file": "{{k8s_conf_dir}}/cert-k8s-apiserver-key.pem"
-
-# The directory to store controller manager configuration.
-k8s_controller_manager_conf_dir: "/var/lib/kube-controller-manager"
-# K8s controller manager settings (can be overriden or additional added by defining
-# "k8s_controller_manager_settings_user")
-k8s_controller_manager_settings:
-  "address": "{{hostvars[inventory_hostname]['ansible_' + k8s_interface].ipv4.address}}"
-  "cluster-cidr": "10.200.0.0/16"
-  "cluster-name": "kubernetes"
-  "kubeconfig": "{{k8s_controller_manager_conf_dir}}/kube-controller-manager.kubeconfig"
-  "leader-elect": "true"
-  "service-cluster-ip-range": "10.32.0.0/16"
-  "cluster-signing-cert-file": "{{k8s_conf_dir}}/ca-k8s-apiserver.pem"
-  "cluster-signing-key-file": "{{k8s_conf_dir}}/cert-k8s-apiserver-key.pem"
-  "root-ca-file": "{{k8s_conf_dir}}/ca-k8s-apiserver.pem"
-  "service-account-private-key-file": "{{k8s_conf_dir}}/cert-k8s-controller-manager-sa-key.pem"
-  "use-service-account-credentials": "true"
-
-# The directory to store scheduler configuration.
-k8s_scheduler_conf_dir: "/var/lib/kube-scheduler"
-# kube-scheduler settings (only --config left,
-# see https://github.com/kubernetes/kubernetes/pull/62515)
-k8s_scheduler_settings:
-  "config": "{{k8s_scheduler_conf_dir}}/kube-scheduler.yaml"
-
-# The port the control plane componentes should connect to etcd cluster
-etcd_client_port: "2379"
-# The interface the etcd cluster is listening on
-etcd_interface: "tap0"
-
-# The etcd certificates needed for the control plane componentes to be able
-# to connect to the etcd cluster.
-etcd_certificates:
-  - ca-etcd.pem
-  - ca-etcd-key.pem
-  - cert-etcd.pem
-  - cert-etcd-key.pem

roles/kubernetes-controller/files/kube-apiserver-to-kubelet_cluster_role.yaml

@@ -1,19 +0,0 @@
-apiVersion: rbac.authorization.k8s.io/v1beta1
-kind: ClusterRole
-metadata:
-  annotations:
-    rbac.authorization.kubernetes.io/autoupdate: "true"
-  labels:
-    kubernetes.io/bootstrapping: rbac-defaults
-  name: system:kube-apiserver-to-kubelet
-rules:
-  - apiGroups:
-      - ""
-    resources:
-      - nodes/proxy
-      - nodes/stats
-      - nodes/log
-      - nodes/spec
-      - nodes/metrics
-    verbs:
-      - "*"

roles/kubernetes-controller/files/kube-apiserver-to-kubelet_cluster_role_binding.yaml

@@ -1,13 +0,0 @@
-apiVersion: rbac.authorization.k8s.io/v1beta1
-kind: ClusterRoleBinding
-metadata:
-  name: system:kube-apiserver
-  namespace: ""
-roleRef:
-  apiGroup: rbac.authorization.k8s.io
-  kind: ClusterRole
-  name: system:kube-apiserver-to-kubelet
-subjects:
-  - apiGroup: rbac.authorization.k8s.io
-    kind: User
-    name: kubernetes

roles/kubernetes-controller/handlers/main.yml

@@ -1,18 +0,0 @@
----
-- name: reload systemd
-  command: systemctl daemon-reload
-
-- name: restart kube-apiserver
-  service:
-    name: kube-apiserver
-    state: restarted
-
-- name: restart kube-controller-manager
-  service:
-    name: kube-controller-manager
-    state: restarted
-
-- name: restart kube-scheduler
-  service:
-    name: kube-scheduler
-    state: restarted

roles/kubernetes-controller/meta/main.yml

@@ -1,15 +0,0 @@
-galaxy_info:
-  author: Robert Wimmer
-  description: Installs the Kubernetes API server, scheduler and controller manager.
-  license: GPLv3
-  min_ansible_version: 2.2
-  platforms:
-  - name: Ubuntu
-    versions:
-    - xenial
-  galaxy_tags:
-    - kubernetes
-    - scheduler
-    - api
-    - controller
-    - ha

roles/kubernetes-controller/tasks/main.yml

@@ -1,264 +0,0 @@
----
-- name: Create Kubernetes/kube-apiserver config directory
-  file:
-    path: "{{k8s_conf_dir}}"
-    state: directory
-    mode: 0700
-    owner: root
-    group: root
-  tags:
-    - k8s-controller
-    - k8s-controller-base
-
-- name: Create kube-controller-manager config directory
-  file:
-    path: "{{k8s_controller_manager_conf_dir}}"
-    state: directory
-    mode: 0700
-    owner: root
-    group: root
-  tags:
-    - k8s-controller
-    - k8s-controller-base
-
-- name: Create kube-controller-manager kubeconfig
-  template:
-    src: "{{k8s_config_directory}}/kube-controller-manager.kubeconfig"
-    dest: "{{k8s_controller_manager_conf_dir}}/kube-controller-manager.kubeconfig"
-    owner: root
-    group: root
-    mode: 0644
-  tags:
-    - k8s-worker
-    - k8s-controller-base
-
-- name: Create scheduler config directory
-  file:
-    path: "{{k8s_scheduler_conf_dir}}"
-    state: directory
-    mode: 0700
-    owner: root
-    group: root
-  tags:
-    - k8s-controller
-    - k8s-controller-base
-
-- name: Create kube-scheduler kubeconfig
-  template:
-    src: "{{k8s_config_directory}}/kube-scheduler.kubeconfig"
-    dest: "{{k8s_scheduler_conf_dir}}/kube-scheduler.kubeconfig"
-    owner: root
-    group: root
-    mode: 0644
-  tags:
-    - k8s-controller
-    - k8s-controller-base
-
-- name: Create kube-scheduler.yaml
-  template:
-    src: "templates/var/lib/kube-scheduler/kube-scheduler.yaml.j2"
-    dest: "{{k8s_scheduler_conf_dir}}/kube-scheduler.yaml"
-    owner: root
-    group: root
-    mode: 0644
-  tags:
-    - k8s-controller
-    - k8s-controller-base
-
-- name: Create kubeconfig for admin user
-  template:
-    src: "{{k8s_config_directory}}/admin.kubeconfig"
-    dest: "{{k8s_conf_dir}}/admin.kubeconfig"
-    owner: root
-    group: root
-    mode: 0644
-  tags:
-    - k8s-controller
-    - k8s-controller-base
-
-- name: Copy etcd certificates
-  copy:
-    src: "{{k8s_ca_conf_directory}}/{{item}}"
-    dest: "{{k8s_conf_dir}}/{{item}}"
-    mode: 0640
-    owner: root
-    group: root
-  with_items:
-    - "{{etcd_certificates}}"
-  tags:
-    - k8s-controller
-    - k8s-controller-base
-
-- name: Copy Kubernetes certificates
-  copy:
-    src: "{{k8s_ca_conf_directory}}/{{item}}"
-    dest: "{{k8s_conf_dir}}/{{item}}"
-    mode: 0640
-    owner: root
-    group: root
-  with_items:
-    - "{{k8s_certificates}}"
-  tags:
-    - k8s-controller
-    - k8s-controller-base
-
-- name: Downloading official Kubernetes binaries
-  get_url:
-    url: https://storage.googleapis.com/kubernetes-release/release/v{{k8s_release}}/bin/linux/amd64/{{item}}
-    dest: "{{k8s_bin_dir}}"
-    mode: 0755
-  with_items:
-    - "{{k8s_controller_binaries}}"
-  notify:
-    - restart kube-apiserver
-    - restart kube-controller-manager
-    - restart kube-scheduler
-  tags:
-    - k8s-controller
-
-- name: Copy encryption provider config file
-  copy:
-    src: "{{k8s_config_directory}}/encryption-config.yaml"
-    dest: "{{k8s_conf_dir}}/encryption-config.yaml"
-    mode: 0644
-    owner: root
-    group: root
-  tags:
-    - k8s-controller
-    - k8s-controller-base
-
-- name: Combine k8s_apiserver_settings and k8s_apiserver_settings_user (if defined)
-  set_fact:
-    k8s_apiserver_settings: "{{k8s_apiserver_settings | combine(k8s_apiserver_settings_user|default({})) }}"
-  tags:
-    - k8s-controller
-
-- name: Create systemd unit file for kube-apiserver
-  template:
-    src: etc/systemd/system/kube-apiserver.service.j2
-    dest: /etc/systemd/system/kube-apiserver.service
-    owner: root
-    group: root
-    mode: 0644
-  tags:
-    - k8s-controller
-  notify:
-    - reload systemd
-
-- name: Enable and start kube-apiserver
-  service:
-    name: kube-apiserver
-    enabled: yes
-    state: started
-  tags:
-    - k8s-controller
-
-- name: Combine k8s_controller_manager_settings and k8s_controller_manager_settings_user (if defined)
-  set_fact:
-    k8s_controller_manager_settings: "{{k8s_controller_manager_settings | combine(k8s_controller_manager_settings_user|default({})) }}"
-  tags:
-    - k8s-controller
-
-- name: Create systemd unit file for kube-controller-manager
-  template:
-    src: etc/systemd/system/kube-controller-manager.service.j2
-    dest: /etc/systemd/system/kube-controller-manager.service
-    owner: root
-    group: root
-    mode: 0644
-  notify:
-    - reload systemd
-  tags:
-    - k8s-controller
-
-- name: Enable and start kube-controller-manager
-  service:
-    name: kube-controller-manager
-    enabled: yes
-    state: started
-  tags:
-    - k8s-controller
-
-- name: Combine k8s_scheduler_settings and k8s_scheduler_settings_user (if defined)
-  set_fact:
-    k8s_scheduler_settings: "{{k8s_scheduler_settings | combine(k8s_scheduler_settings_user|default({})) }}"
-  tags:
-    - k8s-controller
- 
-- name: Create systemd unit file for kube-scheduler
-  template:
-    src: etc/systemd/system/kube-scheduler.service.j2
-    dest: /etc/systemd/system/kube-scheduler.service
-    owner: root
-    group: root
-    mode: 0644
-  notify:
-    - reload systemd
-  tags:
-    - k8s-controller
-
-- name: Enable and start kube-scheduler
-  service:
-    name: kube-scheduler
-    enabled: yes
-    state: started
-  tags:
-    - k8s-controller
-
-# TODO: Check if ClusterRole + ClusterRoleBinding are already configured
-
-- name: Copy kube-apiserver-to-kubelet ClusterRole
-  copy:
-    src: "files/kube-apiserver-to-kubelet_cluster_role.yaml"
-    dest: "/tmp/kube-apiserver-to-kubelet_cluster_role.yaml"
-    mode: 0600
-  run_once: true
-  delegate_to: "{{groups.k8s_master|first}}"
-  tags:
-    - k8s-controller
-
-- name: Copy kube-apiserver-to-kubelet ClusterRoleBinding
-  copy:
-    src: "files/kube-apiserver-to-kubelet_cluster_role_binding.yaml"
-    dest: "/tmp/kube-apiserver-to-kubelet_cluster_role_binding.yaml"
-    mode: 0600
-  run_once: true
-  delegate_to: "{{groups.k8s_master|first}}"
-  tags:
-    - k8s-controller
-
-- name: Wait 300 seconds for kube-apiserver port 6443 to become open on the host
-  wait_for:
-    port: 6443
-    delay: 5
-    host: "{{hostvars[inventory_hostname]['ansible_' + k8s_interface].ipv4.address}}"
-  run_once: true
-  delegate_to: "{{groups.k8s_master|first}}"
-
-- name: Apply kube-apiserver-to-kubelet ClusterRole
-  shell: "kubectl apply --kubeconfig {{k8s_conf_dir}}/admin.kubeconfig -f /tmp/kube-apiserver-to-kubelet_cluster_role.yaml"
-  register: kube_apiserver_to_kubelet_cluster_role
-  run_once: true
-  delegate_to: "{{groups.k8s_master|first}}"
-  tags:
-    - k8s-controller
-
-- name: Apply kube-apiserver-to-kubelet ClusterRoleBinding
-  shell: "kubectl apply --kubeconfig {{k8s_conf_dir}}/admin.kubeconfig -f /tmp/kube-apiserver-to-kubelet_cluster_role_binding.yaml"
-  register: kube_apiserver_to_kubelet_cluster_role_binding
-  run_once: true
-  delegate_to: "{{groups.k8s_master|first}}"
-  tags:
-    - k8s-controller
-
-- name: Remove temporary files
-  file:
-    path: "{{item}}"
-    state: absent
-  with_items:
-    - "/tmp/kube-apiserver-to-kubelet_cluster_role.yaml"
-    - "/tmp/kube-apiserver-to-kubelet_cluster_role_binding.yaml"
-  run_once: true
-  delegate_to: "{{groups.k8s_master|first}}"
-  tags:
-    - k8s-controller

roles/kubernetes-controller/templates/etc/systemd/system/kube-apiserver.service.j2

@@ -1,23 +0,0 @@
-#jinja2: trim_blocks:False
-{%- macro cluster_hosts() -%}
-{%- for host in groups['k8s_etcd'] -%}
-https://{{hostvars[host]['ansible_' + k8s_interface].ipv4.address}}:{{etcd_client_port}}{% if not loop.last %},{% endif %}
-{%- endfor -%}
-{%- endmacro -%}
-
-{%- set x=k8s_apiserver_settings.__setitem__('etcd-servers',cluster_hosts()) -%}
-
-[Unit]
-Description=Kubernetes API Server
-Documentation=https://github.com/GoogleCloudPlatform/kubernetes
-
-[Service]
-ExecStart={{k8s_bin_dir}}/kube-apiserver \
-{%- for setting in k8s_apiserver_settings|sort %}
-  --{{setting}}={{k8s_apiserver_settings[setting]}} {% if not loop.last %}\{% endif %}
-{%- endfor %}
-Restart=on-failure
-RestartSec=5
-
-[Install]
-WantedBy=multi-user.target

roles/kubernetes-controller/templates/etc/systemd/system/kube-controller-manager.service.j2

@@ -1,15 +0,0 @@
-#jinja2: trim_blocks:False
-[Unit]
-Description=Kubernetes Controller Manager
-Documentation=https://github.com/GoogleCloudPlatform/kubernetes
-
-[Service]
-ExecStart={{k8s_bin_dir}}/kube-controller-manager \
-{%- for setting in k8s_controller_manager_settings|sort %}
-  --{{setting}}={{k8s_controller_manager_settings[setting]}} {% if not loop.last %}\{% endif %}
-{%- endfor %}
-Restart=on-failure
-RestartSec=5
-
-[Install]
-WantedBy=multi-user.target

roles/kubernetes-controller/templates/etc/systemd/system/kube-scheduler.service.j2

@@ -1,15 +0,0 @@
-#jinja2: trim_blocks:False
-[Unit]
-Description=Kubernetes Scheduler
-Documentation=https://github.com/GoogleCloudPlatform/kubernetes
-
-[Service]
-ExecStart={{k8s_bin_dir}}/kube-scheduler \
-{%- for setting in k8s_scheduler_settings|sort %}
-  --{{setting}}={{k8s_scheduler_settings[setting]}} {% if not loop.last %}\{% endif %}
-{%- endfor %}
-Restart=on-failure
-RestartSec=5
-
-[Install]
-WantedBy=multi-user.target

roles/kubernetes-controller/templates/var/lib/kube-scheduler/kube-scheduler.yaml.j2

@@ -1,9 +0,0 @@
-#jinja2: trim_blocks:False
-apiVersion: componentconfig/v1alpha1
-kind: KubeSchedulerConfiguration
-clientConnection:
-  kubeconfig: "{{k8s_scheduler_conf_dir}}/kube-scheduler.kubeconfig"
-healthzBindAddress: {{hostvars[inventory_hostname]['ansible_' + k8s_interface].ipv4.address}}:10251
-leaderElection:
-  leaderElect: true
-metricsBindAddress: {{hostvars[inventory_hostname]['ansible_' + k8s_interface].ipv4.address}}:10251

roles/kubernetes-controller/tests/inventory

@@ -1 +0,0 @@
-localhost

roles/kubernetes-controller/tests/test.yml

@@ -1,5 +0,0 @@
----
-- hosts: localhost
-  remote_user: root
-  roles:
-    - .

roles/kubernetes-controller/vars/main.yml

@@ -1 +0,0 @@
----

roles/kubernetes/tasks/keepalived.yml

@@ -28,3 +28,4 @@
   until: result.stdout.find("chmod666/keepalived") != -1
   retries: 18
   delay: 10
+  changed_when: no

roles/kubernetes/tasks/kubeadm-master.yml

@@ -54,5 +54,6 @@
   until: result.stdout.find("Ready") == 0
   retries: 36
   delay: 10
+  changed_when: no
 
 - meta: flush_handlers

roles/kubernetes/tasks/kubeadm-multi.yml

@@ -37,3 +37,4 @@
   until: result.stdout.find("Ready") == 0
   retries: 36
   delay: 10
+  changed_when: no

roles/kubernetes/tasks/kubeadm-worker.yml

@@ -3,6 +3,7 @@
   shell: "ps -ef | grep [k]ube-proxy"
   register: kube_proxy_running
   ignore_errors: True
+  changed_when: no
 
 - block:
     - name: Joining cluster on other nodes

roles/kubernetes/tasks/main.yml

@@ -54,6 +54,7 @@
   until: result.stdout.find("2") != -1
   retries: 180
   delay: 10
+  changed_when: no
   when: inventory_hostname == initial_master
 
 - include: kubeadm-token.yml
@@ -70,6 +71,7 @@
   until: result.stdout.find("Ready") == 0
   retries: 36
   delay: 10
+  changed_when: no
   delegate_to: "{{ initial_master }}"
 
 - debug: var=result

roles/kubernetes/templates/keepalived.conf.j2

@@ -1,24 +1,11 @@
 global_defs {
-{% if ansible_tun0 is defined %}
+  default_interface {{vpn_interface}}
-  default_interface tun0
-{% else %}
-  default_interface eth0
-{% endif %}
 }
 
 vrrp_instance VI_1 {
-{% if ansible_tun0 is defined %}
+  interface {{vpn_interface}}
-  interface tun0
-{% else %}
-  interface eth0
-{% endif %}
-
   track_interface {
-{% if ansible_tun0 is defined %}
+    {{vpn_interface}}
-    tun0
-{% else %}
-    eth0
-{% endif %}
   }
 
 {% if inventory_hostname == initial_master %}

roles/peervpn/LICENSE

@@ -1,674 +0,0 @@
-                    GNU GENERAL PUBLIC LICENSE
-                       Version 3, 29 June 2007
-
- Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
- Everyone is permitted to copy and distribute verbatim copies
- of this license document, but changing it is not allowed.
-
-                            Preamble
-
-  The GNU General Public License is a free, copyleft license for
-software and other kinds of works.
-
-  The licenses for most software and other practical works are designed
-to take away your freedom to share and change the works.  By contrast,
-the GNU General Public License is intended to guarantee your freedom to
-share and change all versions of a program--to make sure it remains free
-software for all its users.  We, the Free Software Foundation, use the
-GNU General Public License for most of our software; it applies also to
-any other work released this way by its authors.  You can apply it to
-your programs, too.
-
-  When we speak of free software, we are referring to freedom, not
-price.  Our General Public Licenses are designed to make sure that you
-have the freedom to distribute copies of free software (and charge for
-them if you wish), that you receive source code or can get it if you
-want it, that you can change the software or use pieces of it in new
-free programs, and that you know you can do these things.
-
-  To protect your rights, we need to prevent others from denying you
-these rights or asking you to surrender the rights.  Therefore, you have
-certain responsibilities if you distribute copies of the software, or if
-you modify it: responsibilities to respect the freedom of others.
-
-  For example, if you distribute copies of such a program, whether
-gratis or for a fee, you must pass on to the recipients the same
-freedoms that you received.  You must make sure that they, too, receive
-or can get the source code.  And you must show them these terms so they
-know their rights.
-
-  Developers that use the GNU GPL protect your rights with two steps:
-(1) assert copyright on the software, and (2) offer you this License
-giving you legal permission to copy, distribute and/or modify it.
-
-  For the developers' and authors' protection, the GPL clearly explains
-that there is no warranty for this free software.  For both users' and
-authors' sake, the GPL requires that modified versions be marked as
-changed, so that their problems will not be attributed erroneously to
-authors of previous versions.
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roles/peervpn/README.md

@@ -1,86 +0,0 @@
-role-peervpn
-============
-
-This Ansible role is used in [Kubernetes the not so hard way with Ansible (at Scaleway) - Part 3 - PeerVPN](https://www.tauceti.blog/post/kubernetes-the-not-so-hard-way-with-ansible-at-scaleway-part-3/). Used to setup [PeerVPN](https://peervpn.net/) for Ubuntu 16.04 (but should basically work with all Linux OS that use systemd). With PeerVPN you can easily setup a fully meshed VPN across datacenter and all nodes you like. You only need at least one host with a public reachable interface (default is Port 7000 protocol UDP). One simple configration could be that you use this public reachable host for your `peervpn_conf_initpeers` setting. Finding the other hosts on your VPN will be automagically done by PeerVPN.
-
-PeerVPN installes it's own TAP interface for it's purpose. The default name of that TAP interface is `tap0`. To change the name specify a different value for `peervpn_conf_interface` variable.
-
-To generate a strong secret password for your PeerVPN preshared key you can use:
-
-```
-openssl rand -base64 382 | tr -d '\n' && echo
-```
-Since it's a preshared key this key MUST be used on all hosts where you install PeerVPN and use the same network name. Otherwise connection won't work. The default preshared key is `default` which you want to change of course ;-)
-
-Versions
---------
-
-I tag every release and try to stay with [semantic versioning](http://semver.org). If you want to use the role I recommend to checkout the latest tag. The master branch is basically development while the tags mark stable releases. But in general I try to keep master in good shape too. A tag `v1.0.0_r044` means this is release 1.0.0 of this role and it uses PeerVPN r044. If the role itself changes `rX.Y.Z` will increase. If the PeerVPN version changes `rXXX` will increase. This allows to tag bugfixes and new major versions of the role while it's still developed for a specific PeerVPN release.
-
-Requirements
-------------
-
-Allow traffic on port 7000 protocol UDP (default) if you have firewall rules installed. You also NEED to add `peervpn_conf_initpeers` variable. There is no default for this variable! IPv6 is ENABLED by default. If you don't want to use it add a variable `peervpn_conf_enableipv6: no`.
-
-Role Variables
---------------
-
-Basically you only need to change very few variables (see below). But have a look at `templates/etc/peervpn/peervpn.conf.j2` for examples and full description of the variables.
-
-Variables with NO default values:
-```
-peervpn_conf_initpeers
-peervpn_conf_engine
-peervpn_conf_ifconfig6
-peervpn_conf_upcmd
-peervpn_conf_chroot
-```
-Variables with default values:
-
-```
-peervpn_version: "peervpn-0-044"
-peervpn_install_directory: "/opt/{{peervpn_version}}"
-peervpn_dest: "/usr/local/sbin"
-peervpn_conf_networkname: "peervpn"
-peervpn_conf_psk: "default"
-peervpn_conf_enabletunneling: "yes"
-peervpn_conf_interface: "tap0"
-peervpn_conf_local: "0.0.0.0"
-peervpn_conf_port: 7000
-peervpn_conf_ifconfig4: "10.0.0.1/24"
-peervpn_conf_sockmark: 0
-peervpn_conf_enableipv4: "yes"
-peervpn_conf_enablenat64clat: "no"
-peervpn_conf_enablerelay: "no"
-peervpn_conf_enableprivdrop: "yes"
-peervpn_conf_user: "nobody"
-peervpn_conf_group: "nogroup"
-```
-
-You MUST specify a value for `peervpn_conf_initpeers` to make any use of PeerVPN (either per host in Ansible `host_vars` directory or per host group in `group_vars` directory. E.g. if you specify `peervpn_conf_initpeers: "host.example.net 7000"` PeerVPN tries to connect to `host.example.net` on port `7000` via UDP to setup a connection.
-
-You should at least change the following variables:
-
-`peervpn_conf_initpeers`: The hostname and port PeerVPN should connect to become part of the VPN.
-`peervpn_conf_networkname`: The name of your VPN.
-`peervpn_conf_psk`: Preshared key. How to generate a good preshared key password see introduction above.
-`peervpn_conf_ifconfig4`: The IP address of the node and subnet in CIDR notation. This variables needs to be specified per host of course.
-
-Example Playbook
-----------------
-
-```
-- hosts: webservers
-  roles:
-    - peervpn
-```
-
-License
--------
-
-GNU GENERAL PUBLIC LICENSE Version 3
-
-Author Information
-------------------
-
-[http://www.tauceti.blog](http://www.tauceti.blog)

roles/peervpn/defaults/main.yml

@@ -1,18 +0,0 @@
----
-peervpn_version: "peervpn-0-044"
-peervpn_install_directory: "/opt/{{peervpn_version}}"
-peervpn_dest: "/usr/local/sbin"
-peervpn_conf_networkname: "peervpn"
-peervpn_conf_psk: "default"
-peervpn_conf_enabletunneling: "yes"
-peervpn_conf_interface: "tap0"
-peervpn_conf_local: "0.0.0.0"
-peervpn_conf_port: 7000
-peervpn_conf_ifconfig4: "10.0.0.1/24"
-peervpn_conf_sockmark: 0
-peervpn_conf_enableipv4: "yes"
-peervpn_conf_enablenat64clat: "no"
-peervpn_conf_enablerelay: "no"
-peervpn_conf_enableprivdrop: "yes"
-peervpn_conf_user: "nobody"
-peervpn_conf_group: "nogroup"

roles/peervpn/handlers/main.yml

@@ -1,6 +0,0 @@
----
-
-- name: Restart PeerVPN
-  service:
-    name: peervpn
-    state: restarted

roles/peervpn/meta/main.yml

@@ -1,14 +0,0 @@
-galaxy_info:
-  author: Robert Wimmer
-  description: Installes PeerVPN on a node
-  license: GPLv3
-  min_ansible_version: 2.2
-  platforms:
-  - name: Ubuntu
-    versions:
-    - xenial
-  galaxy_tags:
-    - vpn
-    - networking
-    - security
-    - peervpn

roles/peervpn/tasks/main.yml

@@ -1,75 +0,0 @@
----
-- name: Create PeerVPN install directory
-  file:
-    path: "{{peervpn_install_directory}}/{{peervpn_version}}"
-    owner: root
-    group: root
-    mode: 0755
-    state: directory
-  tags:
-    - peervpn
-
-- name: Download statically linked Linux binary
-  get_url:
-    url: https://peervpn.net/files/{{peervpn_version}}-linux-x86.tar.gz
-    dest: "{{peervpn_install_directory}}/{{peervpn_version}}.tar.gz"
-    mode: 0440
-  tags:
-    - peervpn
-
-- name: Unzip downloaded PeerVPN file
-  unarchive:
-    src: "{{peervpn_install_directory}}/{{peervpn_version}}.tar.gz"
-    dest: "{{peervpn_install_directory}}"
-    remote_src: yes
-    creates: "{{peervpn_install_directory}}/{{peervpn_version}}/peervpn"
-  tags:
-    - peervpn
-
-- name: Copy binary to destination directory
-  copy:
-    src: "{{peervpn_install_directory}}/{{peervpn_version}}/peervpn"
-    dest: "{{peervpn_dest}}/peervpn"
-    mode: 0755
-    remote_src: yes
-  tags:
-    - peervpn
-
-- name: Copy PeerVPN systemd service file
-  template:
-    src: etc/systemd/system/peervpn.service.j2
-    dest: /etc/systemd/system/peervpn.service
-    owner: root
-    group: root
-    mode: 0644
-  tags:
-    - peervpn
-
-- name: Create PeerVPN configuration directory
-  file:
-    path: /etc/peervpn
-    owner: root
-    group: root
-    mode: 0700
-    state: directory
-  tags:
-    - peervpn
-
-- name: Copy PeerVPN configuration file
-  template:
-    src: etc/peervpn/peervpn.conf.j2
-    dest: /etc/peervpn/peervpn.conf
-    owner: root
-    group: root
-    mode: 0600
-  notify: Restart PeerVPN
-  tags:
-    - peervpn
-
-- name: Enable and start PeerVPN
-  service:
-    name: peervpn
-    enabled: yes
-    state: started
-  tags:
-    - peervpn

roles/peervpn/templates/etc/peervpn/peervpn.conf.j2

@@ -1,259 +0,0 @@
-## ******************************
-## * PeerVPN configuration file *
-## ******************************
-
-
-
-## Option:       networkname <name>
-## Description:  Specifies the virtual network name. PeerVPN will
-##               only accept peers that use the same network name.
-##               The default name is "PEERVPN".
-## Example:      networkname PEERVPN
-
-{% if peervpn_conf_networkname is defined %}
-networkname {{peervpn_conf_networkname}}
-{% endif %}
-
-
-## Option:       psk <password>
-## Description:  Specifies the PSK for the network. It can be a
-##               password that is up to 512 characters long.
-##               It is recommended to use a minimum of 8 characters.
-##               If unspecified, the PSK will be set to "default".
-## Example:      psk mytopsecretpassword
-
-{% if peervpn_conf_psk is defined %}
-psk {{peervpn_conf_psk}}
-{% endif %}
-
-
-## Option:       initpeers <hostname> <port> [<hostname> <port>]*
-## Description:  Specifies a list of peers that PeerVPN should
-##               connect to initially. When the connection to the
-##               network is lost, PeerVPN will try to reconnect to
-##               these peers.
-## Example:      initpeers 10.8.6.4 1234
-##               initpeers 2001:DB8:1337::1 5678
-##               initpeers 10.8.6.4 1234 10.12.10.8 6420
-##               initpeers example.com 7000
-##               initpeers example.com 7000 example.net 7000 example.org 7000
-
-{% if peervpn_conf_initpeers is defined %}
-initpeers {{peervpn_conf_initpeers}}
-{% endif %}
-
-
-## Option:       enabletunneling <yes|no>
-## Description:  Enables ethernet tunneling using a TAP device. This
-##               should be disabled if this node is intended solely
-##               for assisting peer discovery and/or relaying.
-##               Defaults to "yes".
-## Example:      enabletunneling yes
-
-{% if peervpn_conf_enabletunneling is defined %}
-enabletunneling {{peervpn_conf_enabletunneling}}
-{% endif %}
-
-
-## Option:       interface <name>
-## Description:  Specifies the name of the TAP device that should be
-##               used for ethernet tunneling.
-##               Note: On some operating systems (e.g. FreeBSD), TAP
-##               device names must start with the string "tap".              
-## Example:      interface tap0
-##               interface peervpn0
-
-{% if peervpn_conf_interface is defined %}
-interface {{peervpn_conf_interface}}
-{% endif %}
-
-
-## Option:       ifconfig4 <address>/<prefixlen>
-## Description:  Defines the IPv4 address and the prefix length that
-##               should be assigned to the TAP device.
-## Example:      ifconfig4 10.1.2.3/24
-##               ifconfig4 172.16.17.18/24
-
-{% if peervpn_conf_ifconfig4 is defined %}
-ifconfig4 {{peervpn_conf_ifconfig4}}
-{% endif %}
-
-
-## Option:       ifconfig6 <address>/<prefixlen>
-## Description:  Defines the IPv6 address and the prefix length that
-##               should be assigned to the TAP device.
-## Example:      ifconfig6 2001:db8:1:2::3/64
-##               ifconfig6 fc00:db8:1:2::3/64
-
-{% if peervpn_conf_ifconfig6 is defined %}
-ifconfig6 {{peervpn_conf_ifconfig6}}
-{% endif %}
-
-
-## Option:       upcmd <command>
-## Description:  Defines a shell command that will be executed after
-##               the TAP device has been opened.
-## Example:      upcmd echo virtual interface is up
-
-{% if peervpn_conf_upcmd is defined %}
-upcmd {{peervpn_conf_upcmd}}
-{% endif %}
-
-
-## Option:       local <address>
-## Description:  Specifies which local address PeerVPN should use.
-##               If unspecified, PeerVPN will listen on all available
-##               addresses.
-## Example:      local 0.0.0.0
-##               local 192.168.12.34
-##               local ::
-
-{% if peervpn_conf_local is defined %}
-local {{peervpn_conf_local}}
-{% endif %}
-
-
-## Option:       port <portnumber>
-## Description:  Specifies which UDP port PeerVPN should use.
-##               If unspecified, the port number will be selected
-##               automatically.
-## Example:      port 7000
-
-{% if peervpn_conf_port is defined %}
-port {{peervpn_conf_port}}
-{% endif %}
-
-
-## Option:       sockmark <0|1..N>
-## Description:  If set to a value that is greater than zero, packets
-##               generated by the PeerVPN process will be marked
-##               internally with the specified value. This feature is
-##               currently only available in Linux, and can be used
-##               in combination with iproute2 for policy routing
-##               setups (e.g. "ip rule add fwmark <1..N> [...]").
-##               Defaults to "0" (disabled).
-## Example:      sockmark 42
-
-{% if peervpn_conf_sockmark is defined %}
-sockmark {{peervpn_conf_sockmark}}
-{% endif %}
-
-
-## Option:       enableipv4 <yes|no>
-## Description:  Enables IPv4 sockets.
-##               Defaults to "yes".
-## Example:      enableipv4 yes
-
-{% if peervpn_conf_enableipv4 is defined %}
-enableipv4 {{peervpn_conf_enableipv4}}
-{% endif %}
-
-
-## Option:       enableipv6 <yes|no>
-## Description:  Enables IPv6 sockets.
-##               Defaults to "yes".
-## Example:      enableipv6 yes
-
-{% if peervpn_conf_enableipv6 is defined %}
-enableipv6 {{peervpn_conf_enableipv6}}
-{% endif %}
-
-## Option:       enablenat64clat <yes|no>
-## Description:  Enables NAT64 CLAT support.
-##               If this is enabled and there is no native IPv4
-##               connectivity, PeerVPN will attempt to contact IPv4
-##               peers using NAT64 packets via a IPv6 socket instead.
-##               This requires a NAT64 gateway which will translate
-##               packets going to the 64:ff9b::/96 prefix.
-##               Defaults to "no".
-## Example:      enablenat64clat yes
-
-{% if peervpn_conf_enablenat64clat is defined %}
-enablenat64clat {{peervpn_conf_enablenat64clat}} 
-{% endif %}
-
-
-## Option:       enablendpcache <yes|no>
-## Description:  Enables caching of tunneled IPv6 NDP messages. This
-##               can improve performance by reducing the amount of
-##               NDP multicast messages that need to be sent.
-##               Defaults to "no".
-## Example:      enablendpcache yes
-
-{% if peervpn_conf_enablendpcache is defined %}
-enablendpcache {{peervpn_conf_enablendpcache}}
-{% endif %}
-
-
-## Option:       enablerelay <yes|no>
-## Description:  Allows other nodes in the network to relay their
-##               traffic through this node if they cannot establish a
-##               direct connection to each other.
-##               Defaults to "no".
-## Example:      enablerelay yes
-
-{% if peervpn_conf_enablerelay is defined %}
-enablerelay {{peervpn_conf_enablerelay}}
-{% endif %}
-
-
-## Option:       engine <name> [<name>]*
-## Description:  Specifies one or more OpenSSL engines that should be
-##               loaded to provide hardware crypto acceleration.
-## Example:      engine padlock
-
-{% if peervpn_conf_engine is defined %}
-engine {{peervpn_conf_engine}}
-{% endif %}
-
-
-## Option:       enableprivdrop <yes|no>
-## Description:  If enabled, the PeerVPN process will automatically
-##               try to drop its privileges after finishing its
-##               initialization. If a certain configuration is
-##               desired, the options "user", "group" and "chroot"
-##               should be set too.
-## Example:      enableprivdrop yes
-
-{% if peervpn_conf_enableprivdrop is defined %}
-enableprivdrop {{peervpn_conf_enableprivdrop}}
-{% endif %}
-
-
-## Option:       user <username>
-## Description:  Specifies the UNIX username that the PeerVPN process
-##               will switch to after initialization. This is useful
-##               if PeerVPN is started with root privileges (which is
-##               necessary for TAP device initialization). An
-##               username with minimal rights should be selected.
-## Example:      user nobody
-
-{% if peervpn_conf_user is defined %}
-user {{peervpn_conf_user}}
-{% endif %}
-
-
-## Option:       group <groupname>
-## Description:  Specifies the UNIX group that the PeerVPN process
-##               will switch to after initialization.
-## Example:      group nogroup
-
-{% if peervpn_conf_group is defined %}
-group {{peervpn_conf_group}}
-{% endif %}
-
-
-## Option:       chroot <directory>
-## Description:  Specifies the directory that the PeerVPN process
-##               will chroot to after initialization.
-##               Note: Currently, DNS queries will not work anymore
-##               if this option is enabled. The "initpeers" option
-##               should only contain IP addresses in this case, not
-##               domain names.
-##               If unspecified, no chroot will be done.
-## Example:      chroot /var/empty
-
-{% if peervpn_conf_chroot is defined %}
-chroot {{peervpn_conf_chroot}}
-{% endif %}
-

roles/peervpn/templates/etc/systemd/system/peervpn.service.j2

@@ -1,13 +0,0 @@
-[Unit]
-Description=PeerVPN network service
-Wants=network-online.target
-After=network-online.target
-ConditionPathExists=/etc/peervpn/peervpn.conf
-
-[Service]
-Type=simple
-ExecStart={{peervpn_dest}}/peervpn /etc/peervpn/peervpn.conf
-Restart=always
-
-[Install]
-WantedBy=multi-user.target

roles/peervpn/tests/inventory

@@ -1 +0,0 @@
-localhost

roles/peervpn/tests/test.yml

@@ -1,5 +0,0 @@
----
-- hosts: localhost
-  remote_user: root
-  roles:
-    - peervpn

roles/peervpn/vars/main.yml

@@ -1 +0,0 @@
----

roles/proxy/tasks/main.yml

@@ -38,6 +38,7 @@
     value: 1
     sysctl_set: True
     reload: True
+  when: inventory_hostname == tinc_primary_router
 
 - name: Allow ip forwarding (iptables)
   iptables:

roles/tinc/tasks/main.yml

@@ -1,23 +1,23 @@
 ---
-- name: install tinc
+- name: Install tinc
   apt:
     name: tinc
     state: latest
 
-- name: ensure tinc netname directory exists
+- name: Ensure tinc netname directory exists
   file:
     path: /etc/tinc/{{ netname }}/hosts
     recurse: True
     state: directory
 
-- name: create /etc/tinc/nets.boot file from template
+- name: Create /etc/tinc/nets.boot file from template
   template:
     src: nets.boot.j2
     dest: /etc/tinc/nets.boot
   notify:
     - restart tinc
 
-- name: ensure tinc.conf contains connection to all other nodes
+- name: Ensure tinc.conf contains connection to all other nodes
   template:
     src: tinc.conf.j2
     dest: /etc/tinc/{{ netname }}/tinc.conf
@@ -25,7 +25,7 @@
     - restart tinc
     - reload tinc
 
-- name: create tinc-up file
+- name: Create tinc-up file
   template:
     src: tinc-up.j2
     dest: /etc/tinc/{{ netname }}/tinc-up
@@ -33,7 +33,7 @@
   notify:
     - restart tinc
 
-- name: create tinc-down file
+- name: Create tinc-down file
   template:
     src: tinc-down.j2
     dest: /etc/tinc/{{ netname }}/tinc-down
@@ -41,10 +41,12 @@
   notify:
     - restart tinc
 
-- name: ensure tinc hosts file binds to scaleway dns address
+- name: Ensure tinc hosts file binds to scaleway dns address
   block:
-    - shell: "/usr/local/bin/scw-metadata ID"
+    - name: Gather Scaleway instance ID
+      shell: "/usr/local/bin/scw-metadata ID"
       register: scw_id
+      changed_when: no
 
     - lineinfile:
         dest: /etc/tinc/{{ netname }}/hosts/{{ inventory_hostname }}
@@ -54,7 +56,7 @@
         - restart tinc
   when: tinc_ignore_scaleway_dns | default(False) | bool == False
 
-- name: ensure tinc hosts file binds to physical ip address
+- name: Ensure tinc hosts file binds to physical ip address
   lineinfile:
     dest: /etc/tinc/{{ netname }}/hosts/{{ inventory_hostname }}
     line: |-
@@ -69,7 +71,7 @@
     - restart tinc
   when: tinc_ignore_scaleway_dns | default(False) | bool == True
 
-- name: ensure subnet ip address is properly set in tinc host file
+- name: Ensure subnet ip address is properly set in tinc host file
   lineinfile:
     dest: /etc/tinc/{{ netname }}/hosts/{{ inventory_hostname }}
     line: "Subnet = {{ vpn_ip }}/{{ vpn_subnet_cidr_netmask }}"
@@ -78,33 +80,33 @@
     - restart tinc
 
 # in case of multimaster we need to add a subnet line
-- name: ensure that keepalived ip is properly set in tinc host file on k8s_masters
+- name: Ensure that keepalived ip is properly set in tinc host file on k8s_masters
   lineinfile:
     dest: /etc/tinc/{{ netname }}/hosts/{{ inventory_hostname }}
     line: "Subnet = {{ api_floating_ip }}/{{ vpn_subnet_cidr_netmask }}"
     create: yes
   when: groups.k8s_masters | length > 1
 
-- name: check whether /etc/tinc/netname/hosts/inventory_hostname contains "-----END RSA PUBLIC KEY-----"
+- name: Check whether /etc/tinc/netname/hosts/inventory_hostname contains "-----END RSA PUBLIC KEY-----"
   command: awk '/^-----END RSA PUBLIC KEY-----$/'  /etc/tinc/{{ netname }}/hosts/{{ inventory_hostname }}
   changed_when: "public_key.stdout != '-----END RSA PUBLIC KEY-----'"
   register: public_key
 
 # this is necessary because the public key will not be generated (non-interactively) if the private key already exists
-- name: delete private key and regenerate keypair if public key is absent from tinc hosts file
+- name: Delete private key and regenerate keypair if public key is absent from tinc hosts file
   file:
     path: /etc/tinc/{{ netname }}/rsa_key.priv
     state: absent
   when: public_key.changed
 
-- name: create tinc private key (and append public key to tincd hosts file)
+- name: Create tinc private key (and append public key to tincd hosts file)
   shell: tincd -n {{ netname }} -K4096
   args:
     creates: /etc/tinc/{{ netname }}/rsa_key.priv
   notify:
     - restart tinc
 
-- name: fetch tinc hosts file after key creation
+- name: Fetch tinc hosts file after key creation
   fetch:
     src: /etc/tinc/{{ netname }}/hosts/{{ inventory_hostname }}
     dest: fetch/{{ inventory_hostname }}
@@ -112,7 +114,7 @@
   notify:
     - reload tinc
 
-- name: sync the fetched tinc hosts files on each host
+- name: Sync the fetched tinc hosts files on each host
   synchronize:
     src: fetch/
     dest: /etc/tinc/{{ netname }}/hosts/
@@ -122,13 +124,13 @@
 
 - meta: flush_handlers
 
-- name: start tinc on boot
+- name: Start tinc on boot
   systemd:
     name: tinc
     enabled: yes
     state: started
 
-- name: ensure tun0 exists
+- name: Ensure tun0 exists
   shell: "ip a s"
   register: result
   until: result.stdout.find("tun0") != -1
@@ -136,7 +138,7 @@
   delay: 10
   changed_when: False
 
-- name: add nodes to /etc/hosts (ansible_inventory resolves to vpn_ip)
+- name: Add nodes to /etc/hosts (ansible_inventory resolves to vpn_ip)
   lineinfile: dest=/etc/hosts regexp='.*{{ item }}$' line="{{ hostvars[item].vpn_ip }} {{item}}" state=present
   when: hostvars[item].vpn_ip is defined
   with_items: "{{ play_hosts }}"

roles/tinc/templates/tinc.conf.j2

@@ -2,7 +2,7 @@ Name = {{ inventory_hostname }}
 AddressFamily = ipv4
 Interface = {{ vpn_interface }}
 Mode = switch
-{% for host in play_hosts %}
+{% for host in play_hosts | sort %}
 {% if inventory_hostname != hostvars[host]['inventory_hostname'] %}
 ConnectTo = {{ hostvars[host]['inventory_hostname'] }}
 {% endif %}