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generate-release-vars.sh
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generate-release-vars.sh
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#!/usr/bin/env bash
set -eio pipefail
usage() {
echo "Usage:"
echo " $0 ECS_INIT_VERSION AMI_VERSION"
echo "Example:"
echo " $0 1.55.0-1 20210902"
}
error() {
local msg="$1"
echo "ERROR: $msg"
usage
exit 1
}
readonly ecs_init_version="$1"
if [ -z "$ecs_init_version" ]; then
error "ecs-init version is required."
fi
readonly ami_version="$2"
if [ -z "$ami_version" ]; then
error "ami version is required."
fi
agent_version=$(echo "$ecs_init_version" | awk -F "-" '{ print $1 }')
ecs_init_rev=$(echo "$ecs_init_version" | awk -F "-" '{ print $2 }')
readonly agent_version ecs_init_rev
if [ -z "$ecs_init_rev" ]; then
error "ecs-init rev was empty, did you forget the dash in ECS_INIT_VERSION? ie, 1.55.0-1"
fi
if [ -z "$agent_version" ]; then
error "agent version was empty, seems that your ECS_INIT_VERSION was malformed, it should look like: 1.55.0-1"
fi
# this can be any region, as we use it to grab the latest AL2 AMI name so it should be the same across regions.
readonly region="us-west-2"
set -x
# Get the latest source AMI names
# AL1
ami_id_al1=$(aws ssm get-parameters --region "$region" --names /aws/service/ami-amazon-linux-latest/amzn-ami-minimal-hvm-x86_64-ebs --query 'Parameters[0].[Value]' --output text)
ami_name_al1=$(aws ec2 describe-images --region "$region" --owner amazon --image-id "$ami_id_al1" --query 'Images[0].Name' --output text)
# AL2
ami_id_al2_x86=$(aws ssm get-parameters --region "$region" --names /aws/service/ami-amazon-linux-latest/amzn2-ami-minimal-hvm-x86_64-ebs --query 'Parameters[0].[Value]' --output text)
ami_name_al2_x86=$(aws ec2 describe-images --region "$region" --owner amazon --image-id "$ami_id_al2_x86" --query 'Images[0].Name' --output text)
ami_id_al2_arm=$(aws ssm get-parameters --region "$region" --names /aws/service/ami-amazon-linux-latest/amzn2-ami-minimal-hvm-arm64-ebs --query 'Parameters[0].[Value]' --output text)
ami_name_al2_arm=$(aws ec2 describe-images --region "$region" --owner amazon --image-id "$ami_id_al2_arm" --query 'Images[0].Name' --output text)
ami_id_al2_kernel5dot10=$(aws ssm get-parameters --region "$region" --names /aws/service/ami-amazon-linux-latest/amzn2-ami-minimal-hvm-x86_64-ebs --query 'Parameters[0].[Value]' --output text)
ami_name_al2_kernel5dot10=$(aws ec2 describe-images --region "$region" --owner amazon --image-id "$ami_id_al2_x86" --query 'Images[0].Name' --output text)
ami_id_al2_kernel5dot10arm=$(aws ssm get-parameters --region "$region" --names /aws/service/ami-amazon-linux-latest/amzn2-ami-minimal-hvm-arm64-ebs --query 'Parameters[0].[Value]' --output text)
ami_name_al2_kernel5dot10arm=$(aws ec2 describe-images --region "$region" --owner amazon --image-id "$ami_id_al2_arm" --query 'Images[0].Name' --output text)
# AL2022
ami_id_al2022_x86=$(aws ssm get-parameters --region "$region" --names /aws/service/ami-amazon-linux-latest/al2022-ami-minimal-kernel-default-x86_64 --query 'Parameters[0].[Value]' --output text)
ami_name_al2022_x86=$(aws ec2 describe-images --region "$region" --owner amazon --image-id "$ami_id_al2022_x86" --query 'Images[0].Name' --output text)
kernel_version_al2022_x86=$(grep -o -e "-kernel-[1-9.]*" <<<"$ami_name_al2022_x86")
# AL2022 ARM (use describe-images for now until al2022 ARM SSM parameters are ready)
ami_id_al2022_arm=$(aws ec2 describe-images --region "$region" --owners amazon --filters "Name=name,Values=al2022-ami-minimal-2022.0.*" "Name=architecture,Values=arm64" --query "reverse(sort_by(Images, &CreationDate))[0].ImageId" --output text)
ami_name_al2022_arm=$(aws ec2 describe-images --region "$region" --owner amazon --image-id "$ami_id_al2022_arm" --query 'Images[0].Name' --output text)
kernel_version_al2022_arm=$(grep -o -e "-kernel-[1-9.]*" <<<"$ami_name_al2022_arm")
# Get the latest AL2022 distribution release
# xmllint is required to find the latest distribution release from releasemd.xml in us-west-2
distribution_release_al2022=$(curl -s https://al2022-repos-us-west-2-9761ab97.s3.dualstack.us-west-2.amazonaws.com/core/releasemd.xml | xmllint --xpath "string(//root/releases/release[last()]/@version)" -)
readonly ami_name_al2_kernel5dot10arm ami_name_al2_kernel5dot10 ami_name_al2_arm ami_name_al2_x86 ami_name_al1 ami_name_al2022_arm ami_name_al2022_x86 distribution_release_al2022
cat >|release.auto.pkrvars.hcl <<EOF
ami_version = "$ami_version"
ecs_agent_version = "$agent_version"
ecs_init_rev = "$ecs_init_rev"
docker_version = "20.10.17"
containerd_version = "1.6.6"
source_ami_al1 = "$ami_name_al1"
source_ami_al2 = "$ami_name_al2_x86"
source_ami_al2arm = "$ami_name_al2_arm"
source_ami_al2kernel5dot10 = "$ami_name_al2_kernel5dot10"
source_ami_al2kernel5dot10arm = "$ami_name_al2_kernel5dot10arm"
source_ami_al2022 = "$ami_name_al2022_x86"
source_ami_al2022arm = "$ami_name_al2022_arm"
kernel_version_al2022 = "$kernel_version_al2022_x86"
kernel_version_al2022arm = "$kernel_version_al2022_arm"
distribution_release_al2022 = "$distribution_release_al2022"
EOF