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Provision loadbalancer with terraform and custom scripts

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Paul-Henri Froidmont 2019-08-17 23:58:36 +02:00
parent 01b7e79e55
commit 77a6ef36f3
8 changed files with 136 additions and 29 deletions
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16
terraform/scripts/create_lb.sh Executable file
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#!/bin/bash
set -e
set -x
export TOKEN=`jq '.token' -r ~/.scwrc`
REGION="fr-par"
ORGANIZATION_ID=`jq '.organization' -r ~/.scwrc`
LB_NAME=$1
LB_IP=$2
IP_ID=$(http GET "https://api.scaleway.com/lb/v1/regions/$REGION/ips" X-Auth-Token:$TOKEN | jq -r ".ips[] | select(.ip_address == \"$LB_IP\") | .id")
echo "IP_ID: $IP_ID"
http POST "https://api.scaleway.com/lb/v1/regions/$REGION/lbs" X-Auth-Token:$TOKEN name=$LB_NAME organization_id=$ORGANIZATION_ID ip_id=$IP_ID --ignore-stdin | jq -r '.id'

17
terraform/scripts/delete_lb.sh Executable file
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#!/bin/bash
set -e
set -x
export TOKEN=`jq '.token' -r ~/.scwrc`
REGION="fr-par"
ORGANIZATION_ID=`jq '.organization' -r ~/.scwrc`
LB_IP=$1
IP_ID=$(http GET "https://api.scaleway.com/lb/v1/regions/$REGION/ips" X-Auth-Token:$TOKEN | jq -r ".ips[] | select(.ip_address == \"$LB_IP\") | .id")
echo "IP_ID: $IP_ID"
LB_ID=$(http GET "https://api.scaleway.com/lb/v1/regions/$REGION/lbs" X-Auth-Token:$TOKEN | jq -r ".lbs[] | select(.ip[0].id == \"$IP_ID\") | .id")
http DELETE "https://api.scaleway.com/lb/v1/regions/$REGION/lbs/$LB_ID" X-Auth-Token:$TOKEN

48
terraform/scripts/update_lb_rules.sh Executable file
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#!/bin/bash
set -e
set -x
export TOKEN=`jq '.token' -r ~/.scwrc`
REGION="fr-par"
ORGANIZATION_ID=`jq '.organization' -r ~/.scwrc`
LB_IP=$1
LB_TARGET_IPS=$2
function create_rules() {
LB_ID=$1
declare -A RULES
RULES[http]=80
RULES[https]=443
for PROTOCOL in "${!RULES[@]}"; do
PORT=${RULES[$PROTOCOL]}
BACKEND_ID=$(http POST "https://api.scaleway.com/lb/v1/regions/$REGION/lbs/$LB_ID/backends" X-Auth-Token:$TOKEN name=lbb-$PROTOCOL forward_protocol=tcp forward_port=$PORT forward_port_algorithm=roundrobin sticky_sessions=none health_check:="{\"http_config\":{\"uri\":\"/\",\"method\":\"GET\",\"code\":404},\"check_delay\":1001,\"check_max_retries\":3,\"check_timeout\":3000,\"port\":$PORT}" server_ip:=$LB_TARGET_IPS --ignore-stdin | jq -r '.id')
http POST "https://api.scaleway.com/lb/v1/regions/$REGION/lbs/$LB_ID/frontends" X-Auth-Token:$TOKEN backend_id=$BACKEND_ID inbound_port=$PORT name=lbf-$PROTOCOL --ignore-stdin
done
}
function update_rules() {
LB_ID=$1
BACKENDS_IDS$2
for BACKEND_ID in $BACKENDS_IDS
do
http PUT "https://api.scaleway.com/lb/v1/regions/$REGION/backends/$BACKEND_ID/servers" X-Auth-Token:$TOKEN server_ip:="$LB_TARGET_IPS" --ignore-stdin
done
}
IP_ID=$(http GET "https://api.scaleway.com/lb/v1/regions/$REGION/ips" X-Auth-Token:$TOKEN | jq -r ".ips[] | select(.ip_address == \"$LB_IP\") | .id")
echo "IP_ID: $IP_ID"
LB_ID=$(http GET "https://api.scaleway.com/lb/v1/regions/$REGION/lbs" X-Auth-Token:$TOKEN | jq -r ".lbs[] | select(.ip[0].id == \"$IP_ID\") | .id")
BACKENDS_IDS=$(http GET "https://api.scaleway.com/lb/v1/regions/$REGION/lbs/$LB_ID/backends" X-Auth-Token:$TOKEN | jq -r ".backends[] | .id")
if [ -n "$BACKENDS_IDS" ]
then
update_rules $LB_ID $BACKENDS_IDS
else
create_rules $LB_ID
fi