mirror of
https://github.com/jambonz/jambonz-infrastructure.git
synced 2026-01-25 02:08:27 +00:00
ed86fc3693
* add jambonz medium AWS deployment: sbc(sip+rtp), fs, web+monitoring * fix terraform proxmox: correct calculation of private IP * fixs for jambonz-medium * spread sbc and fs across availability zones
100 lines
2.8 KiB
Bash
100 lines
2.8 KiB
Bash
#!/bin/bash
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TIMEOUT=20
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PAUSE=5
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aws_get_instance_id() {
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instance_id=$( (curl http://169.254.169.254/latest/meta-data/instance-id) )
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if [ -n "$instance_id" ]; then return 0; else return 1; fi
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}
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aws_get_instance_region() {
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instance_region=$(curl http://169.254.169.254/latest/meta-data/placement/availability-zone)
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# region here needs the last character removed to work
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instance_region=${instance_region::-1}
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if [ -n "$instance_region" ]; then return 0; else return 1; fi
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}
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aws_get_instance_environment() {
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instance_environment=$(aws ec2 describe-tags --region $instance_region --filters "Name=resource-id,Values=$1" "Name=key,Values=Environment" --query "Tags[*].Value" --output text)
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if [ -n "$instance_environment" ]; then return 0; else return 1; fi
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}
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aws_get_unassigned_eips() {
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local describe_addreses_response=$(aws ec2 describe-addresses --region $instance_region --filters "Name=tag:Environment,Values=$instance_environment" --query "Addresses[?AssociationId==null].AllocationId" --output text)
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eips=(${describe_addreses_response///})
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if [ -n "$describe_addreses_response" ]; then return 0; else return 1; fi
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}
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aws_get_details() {
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if aws_get_instance_id; then
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echo "Instance ID: ${instance_id}."
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if aws_get_instance_region; then
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echo "Instance Region: ${instance_region}."
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if aws_get_instance_environment $instance_id; then
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echo "Instance Environment: ${instance_environment}."
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else
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echo "Failed to get Instance Environment. ${instance_environment}."
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return 1
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fi
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else
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echo "Failed to get Instance Region. ${instance_region}."
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return 1
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fi
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else
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echo "Failed to get Instance ID. ${instance_id}."
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return 1
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fi
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}
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attempt_to_assign_eip() {
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local result;
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local exit_code;
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result=$( (aws ec2 associate-address --region $instance_region --instance-id $instance_id --allocation-id $1 --no-allow-reassociation) 2>&1 )
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exit_code=$?
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if [ "$exit_code" -ne 0 ]; then
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echo "Failed to assign Elastic IP [$1] to Instance [$instance_id]. ERROR: $result"
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fi
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return $exit_code
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}
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try_to_assign() {
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local last_result;
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for eip_id in "${eips[@]}"; do
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echo "Attempting to assign Elastic IP to instance..."
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if attempt_to_assign_eip $eip_id; then
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echo "Elastic IP successfully assigned to instance."
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return 0
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fi
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done
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return 1
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}
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main() {
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echo "Assigning Elastic IP..."
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local end_time=$((SECONDS+TIMEOUT))
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echo "Timeout: ${end_time}"
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if ! aws_get_details; then
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exit 1
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fi
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while [ $SECONDS -lt $end_time ]; do
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if aws_get_unassigned_eips && try_to_assign ${eips}; then
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echo "Successfully assigned EIP."
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exit 0
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fi
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echo "Failed to assign EIP. Pausing for $PAUSE seconds before retrying..."
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sleep $PAUSE
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done
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echo "Failed to assign Elastic IP after $TIMEOUT seconds. Exiting."
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exit 1
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}
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declare instance_id
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declare instance_region
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declare instance_environment
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declare eips
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main "$@" |