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pr.yml
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## When copying this to a new ORC repository...
##
## 1) Create environments for dev, test, pre-prod and prod (https://github.com/nhsconnect/<repo>/settings/environments).
##
## 2) For each environment, add the following secrets:
## - BACKEND_BUCKET
## - BACKEND_KEY
## - IAM_ROLE_READONLY
##
## 3) Create the following repository secret (https://github.com/nhsconnect/<repo>/settings/secrets/actions):
## - ECR_REPOSITORY_NAME
##
## 4) Edit the ## REPOSITORY SPECIFIC ## section below.
name: PR Tasks
on:
pull_request:
branches: [ main ]
permissions:
contents: read # Required for actions/checkout
id-token: write # Required for requesting the JWT
pull-requests: write # Required to write comments
jobs:
eslint:
runs-on: ubuntu-latest
steps:
- name: Set up git repo
uses: actions/checkout@v4
- uses: actions/setup-node@v4
with:
node-version: 'latest'
- run: npm ci
- name: eslint
run: npm run lint
terraform-docs:
runs-on: ubuntu-latest
steps:
- name: Set up git repo
uses: actions/checkout@v4
with:
ref: ${{ github.event.pull_request.head.ref }}
- name: terraform-docs
uses: terraform-docs/gh-actions@v1
with:
working-dir: ./terraform
output-file: README.md
output-method: replace
git-push: "true"
plan:
strategy:
matrix:
environment: [dev, test, pre-prod, prod]
name: Terraform Plan (${{ matrix.environment }})
runs-on: ubuntu-latest
environment: ${{ matrix.environment }}
defaults:
run:
working-directory: ./terraform
steps:
- name: Set up git repo
uses: actions/checkout@v4
- name: Set up Terraform
uses: hashicorp/setup-terraform@v3
- name: Configure AWS Credentials
uses: aws-actions/configure-aws-credentials@v4
with:
role-to-assume: ${{ secrets.IAM_ROLE_READONLY }}
aws-region: eu-west-2
- name: terraform fmt
id: fmt
working-directory: ./
run: terraform fmt -recursive -check
- name: terraform init
id: init
run: terraform init -no-color -upgrade -backend-config="bucket=${{ secrets.TF_BACKEND_BUCKET }}" -backend-config="key=${{ secrets.TF_BACKEND_KEY }}" -backend-config="dynamodb_table=${{ secrets.TF_BACKEND_DYNAMODB_TABLE }}"
- name: terraform validate
id: validate
run: terraform validate -no-color
## REPOSITORY SPECIFIC ##
- name: Setup Terraform variables
id: vars
run: |-
IMAGE_TAG=$(aws ecr describe-images --repository-name ${{ secrets.ECR_REPOSITORY_NAME }} --query 'sort_by(imageDetails,& imagePushedAt)[-1].imageTags[0]')
cat > pipeline.auto.tfvars <<EOF
task_image_tag = $IMAGE_TAG
EOF
- name: terraform plan
id: plan
run: |
terraform plan -var-file="${{ matrix.environment }}.tfvars" -no-color -out=tfplan
terraform show -no-color tfplan > tfplan.txt
echo "summary=$(grep -E 'Plan: [0-9]+ to add, [0-9]+ to change, [0-9]+ to destroy\.|No changes\. Your infrastructure matches the configuration\.' tfplan.txt | sed 's/.*No changes\. Your infrastructure matches the configuration/Plan: no changes/g' | sed 's/.*Plan: //g' | sed 's/\..*//g')" >> $GITHUB_OUTPUT
continue-on-error: true
- name: Add PR comment
uses: actions/github-script@v7
if: github.event_name == 'pull_request'
with:
github-token: ${{ secrets.GITHUB_TOKEN }}
script: |
// 1. Retrieve existing bot comments for the PR
const { data: comments } = await github.rest.issues.listComments({
owner: context.repo.owner,
repo: context.repo.repo,
issue_number: context.issue.number,
})
const botComment = comments.find(comment => {
return comment.user.type === 'Bot' && comment.body.includes('Report for environment: ${{ matrix.environment }}')
})
// 2. Prepare format of the comment
const output = `### Report for environment: ${{ matrix.environment }}
#### Terraform Format and Style 🖌\`${{ steps.fmt.outcome }}\`
<details><summary>Format Output</summary>
\`\`\`\n
${{ steps.fmt.outputs.stdout }}
\`\`\`
</details>
#### Terraform Initialization ⚙️\`${{ steps.init.outcome }}\`
<details><summary>Initialization Output</summary>
\`\`\`\n
${{ steps.init.outputs.stdout }}
\`\`\`
</details>
#### Terraform Validation 🤖\`${{ steps.validate.outcome }}\`
<details><summary>Validation Output</summary>
\`\`\`\n
${{ steps.validate.outputs.stdout }}
\`\`\`
</details>
#### Terraform Plan 📖\`${{ steps.plan.outcome }}\`
<details><summary>Show Plan (${{ steps.plan.outputs.summary }})</summary>
\`\`\`\n
${{ steps.plan.outputs.stdout }}
\`\`\`
</details>`;
// 3. If we have a comment, update it, otherwise create a new one
if (botComment) {
github.rest.issues.deleteComment({
owner: context.repo.owner,
repo: context.repo.repo,
comment_id: botComment.id,
body: output
})
}
github.rest.issues.createComment({
issue_number: context.issue.number,
owner: context.repo.owner,
repo: context.repo.repo,
body: output
})