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fix: allow rolling updates #29

fix: allow rolling updates

fix: allow rolling updates #29

Workflow file for this run

name: Deploy to Amazon ECS
on:
push:
branches: ['Abel/Deploy'] # Update to push to 'main' when complete
concurrency:
group: deploy-${{ github.ref }}
cancel-in-progress: true
env:
AWS_REGION: ${{ secrets.AWS_REGION }} # Use GitHub secrets for AWS region
ECR_REPOSITORY: app # Set this to your Amazon ECR repository name
ECS_SERVICE: SkyDevOps # Set this to your Amazon ECS service name
ECS_CLUSTER: Sky # Set this to your Amazon ECS cluster name
ECS_TASK_DEFINITION: ecs-task-def.json # Path to your task definition file in the repository
permissions:
contents: read
jobs:
deploy:
name: Deploy
runs-on: ubuntu-latest
environment: production
steps:
- name: Checkout
uses: actions/checkout@v4
- name: Set up Docker Buildx
uses: docker/setup-buildx-action@v3
- name: Configure AWS credentials
uses: aws-actions/configure-aws-credentials@v4
with:
aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
aws-region: ${{ secrets.AWS_REGION }}
- name: Login to Amazon ECR
id: login-ecr
uses: aws-actions/amazon-ecr-login@v2
- name: Build and push new Docker image to Amazon ECR
id: build-image
env:
ECR_REGISTRY: ${{ steps.login-ecr.outputs.registry }}
IMAGE_TAG: latest
run: |
# Enable error handling
set -e
set -o pipefail
# Use Docker Buildx to build the image for x86_64
docker buildx build --platform linux/amd64 --push -t $ECR_REGISTRY/$ECR_REPOSITORY:$IMAGE_TAG .
echo "image=$ECR_REGISTRY/$ECR_REPOSITORY:$IMAGE_TAG" >> $GITHUB_OUTPUT
- name: Check for task definition changes
id: check-task-def
run: |
# Enable error handling
set -e
set -o pipefail
# Try to describe the latest task definition
LATEST_TASK_DEF=$(aws ecs describe-task-definition \
--task-definition ${{ env.ECS_SERVICE }} || true)
if [ -z "$LATEST_TASK_DEF" ]; then
echo "No existing task definition found, registering new one."
echo "SKIP_REGISTRATION=false" >> $GITHUB_ENV
else
# Strip out fields that change with every revision or are not part of the input JSON
STRIPPED_LATEST_TASK_DEF=$(echo "$LATEST_TASK_DEF" | jq 'del(.taskDefinitionArn, .revision, .status, .requiresAttributes, .registeredAt, .registeredBy)')
# Load the current task definition from the file
FILE_TASK_DEF=$(jq 'del(.family, .executionRoleArn, .revision, .status)' $ECS_TASK_DEFINITION)
# Compare the current task definition with the latest one
if [ "$STRIPPED_LATEST_TASK_DEF" = "$FILE_TASK_DEF" ]; then
echo "No changes to task definition, skipping registration."
echo "SKIP_REGISTRATION=true" >> $GITHUB_ENV
else
echo "Changes detected in task definition, registering new revision."
echo "SKIP_REGISTRATION=false" >> $GITHUB_ENV
fi
fi
- name: Register ECS task definition
if: env.SKIP_REGISTRATION != 'true'
id: register-task-def
run: |
# Enable error handling
set -e
set -o pipefail
# Register the task definition with ECS and capture the revision number
TASK_DEFINITION_ARN=$(aws ecs register-task-definition --cli-input-json file://$ECS_TASK_DEFINITION --query 'taskDefinition.taskDefinitionArn' --output text)
echo "TASK_DEFINITION_ARN=$TASK_DEFINITION_ARN" >> $GITHUB_ENV
- name: Deploy to Amazon ECS
run: |
# Enable error handling
set -e
set -o pipefail
# Use the latest task definition ARN or skip if registration was not necessary
if [ -z "${{ env.TASK_DEFINITION_ARN }}" ]; then
TASK_DEFINITION_ARN=$(aws ecs describe-services \
--cluster ${{ env.ECS_CLUSTER }} \
--services ${{ env.ECS_SERVICE }} \
--query 'services[0].taskDefinition' --output text)
fi
# Update the ECS service to use the latest task definition revision
aws ecs update-service \
--cluster ${{ env.ECS_CLUSTER }} \
--service ${{ env.ECS_SERVICE }} \
--task-definition $TASK_DEFINITION_ARN \
--force-new-deployment \