Setting up traefik as loadbalancer and proxy

group_vars/all/traefik-account

@@ -0,0 +1,7 @@
+traefik_serviceaccount: |
+  ---
+  apiVersion: v1
+  kind: ServiceAccount
+  metadata:
+    name: traefik-ingress-controller
+    namespace: kube-system

group_vars/all/traefik-daemonset

@@ -0,0 +1,101 @@
+traefik_daemonset: |
+  ---
+  kind: DaemonSet
+  apiVersion: apps/v1
+  metadata:
+    name: traefik-ingress-controller
+    namespace: kube-system
+    labels:
+      k8s-app: traefik-ingress-lb
+  spec:
+    selector:
+      matchLabels:
+        k8s-app: traefik-ingress-lb
+    updateStrategy:
+      type: RollingUpdate
+    template:
+      metadata:
+        labels:
+          k8s-app: traefik-ingress-lb
+          name: traefik-ingress-lb
+      spec:
+        serviceAccountName: traefik-ingress-controller
+        terminationGracePeriodSeconds: 60
+        hostNetwork: true
+        dnsPolicy: ClusterFirstWithHostNet
+        containers:
+        - image: traefik:v1.7-alpine
+          name: traefik-ingress-lb
+          imagePullPolicy: IfNotPresent
+          livenessProbe:
+            failureThreshold: 2
+            httpGet:
+              path: /ping
+              port: 8080
+              scheme: HTTP
+            initialDelaySeconds: 10
+            periodSeconds: 5
+          readinessProbe:
+            failureThreshold: 2
+            httpGet:
+              path: /ping
+              port: 8080
+              scheme: HTTP
+            periodSeconds: 5
+          resources:
+            requests:
+              memory: "64Mi"
+              cpu: "250m"
+            limits:
+              memory: "64Mi"
+              cpu: "250m"
+          ports:
+          - name: http
+            containerPort: 80
+            hostPort: 80
+          - name: https
+            containerPort: 443
+            hostPort: 443
+          - name: admin
+            containerPort: 8080
+          securityContext:
+            privileged: true
+          volumeMounts:
+          - name: tls
+            mountPath: {{k8s_conf_dir}}
+            readOnly: true
+          args:
+          - --checknewversion=false
+          - --loglevel=INFO
+          - --defaultentrypoints=http,https
+          - --entrypoints=Name:http Address::80 Redirect.EntryPoint:https
+          - --entrypoints=Name:https Address::443 TLS
+          - --etcd=true
+          - --etcd.prefix=/traefik
+          - --etcd.watch=true
+          - --etcd.endpoint={{groups.k8s_etcd|first}}:2379
+          - --etcd.tls=true
+          - --etcd.tls.ca={{k8s_conf_dir}}/ca-etcd.pem
+          - --etcd.tls.cert={{k8s_conf_dir}}/cert-etcd.pem
+          - --etcd.tls.key={{k8s_conf_dir}}/cert-etcd-key.pem
+          - --etcd.useapiv3=true
+          - --kubernetes=true
+          - --kubernetes.watch=true
+          - --kubernetes.namespaces=default
+          - --web=true
+          - --web.readonly
+          - --web.address=:8080
+          - --acme=true
+          - --acme.acmelogging=true
+          - --acme.caserver=https://acme-staging.api.letsencrypt.org/directory
+          - --acme.entrypoint=https
+          - --acme.httpchallenge=true
+          - --acme.httpChallenge.entryPoint=http
+          - --acme.email=letsencrypt.account@banditlair.com
+          - --acme.onhostrule
+          - --acme.storage=/traefik/acme/account
+        volumes:
+          - name: tls
+            secret:
+              secretName: traefik-etcd
+

group_vars/all/traefik-role

@@ -0,0 +1,40 @@
+traefik_clusterrole: |
+  ---
+  kind: ClusterRole
+  apiVersion: rbac.authorization.k8s.io/v1
+  metadata:
+    name: traefik-ingress-controller
+  rules:
+    - apiGroups:
+        - ""
+      resources:
+        - services
+        - endpoints
+        - secrets
+      verbs:
+        - get
+        - list
+        - watch
+    - apiGroups:
+        - extensions
+      resources:
+        - ingresses
+      verbs:
+        - get
+        - list
+        - watch
+
+traefik_clusterrolebinding: |
+  ---
+  kind: ClusterRoleBinding
+  apiVersion: rbac.authorization.k8s.io/v1
+  metadata:
+    name: traefik-ingress-controller
+  roleRef:
+    apiGroup: rbac.authorization.k8s.io
+    kind: ClusterRole
+    name: traefik-ingress-controller
+  subjects:
+  - kind: ServiceAccount
+    name: traefik-ingress-controller
+    namespace: kube-system

group_vars/all/vars

@@ -9,7 +9,12 @@ k8s_ca_certificate_group: "root"
 k8s_config_cluster_name: banditlair.com
 k8s_encryption_config_directory: "{{k8s_config_directory}}"
 k8s_interface: "{{peervpn_conf_interface}}"
+k8s_conf_dir: /var/lib/kubernetes
+
 etcd_version: "3.2.18"
+etcd_bin_dir: "/usr/local/bin"
+etcd_client_port: "2379"
+
 harden_linux_root_password: "{{k8s_scaleway_root_password}}"
 harden_linux_deploy_user: deploy
 harden_linux_deploy_user_password: "{{k8s_scaleway_deploy_user_password}}"
@@ -36,7 +41,6 @@ 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: "master1.banditlair.com 7000"

group_vars/k8s_worker

@@ -0,0 +1,13 @@
+harden_linux_ufw_rules:
+  - rule: "allow"
+    to_port: "2242"
+    protocol: "tcp"
+  - rule: "allow"
+    to_port: "7000"
+    protocol: "udp"
+  - rule: "allow"
+    to_port: "80"
+    protocol: "tcp"
+  - rule: "allow"
+    to_port: "443"
+    protocol: "tcp"

k8s.yml

@@ -9,8 +9,6 @@
       tags: role-cfssl
     - role: githubixx.kubernetes-ca
       tags: role-kubernetes-ca
-    - role: githubixx.kubernetes-ca
-      tags: role-kubernetes-ca
 - hosts: k8s_etcd
   roles:
     - role: githubixx.etcd