Use OpenTofu to have single .tfvars
files for each environment, rather than nested modules
#142
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name: CI / IaC | |
on: | |
pull_request: | |
branches: [dev, stg, prd] | |
types: [opened, reopened, synchronize, edited] | |
paths: | |
- 'terraform/**' | |
- '.github/workflows/ci-iac.yml' | |
env: | |
tf_version: "1.8.0-alpha1" # must match value in terraform/app/main.tf | |
jobs: | |
env: | |
name: Set Env Vars | |
timeout-minutes: 1 | |
runs-on: ubuntu-latest | |
steps: | |
- name: Set up DEV Environment Variables | |
if: github.base_ref == 'dev' | |
run: | | |
matrix='{ | |
"env":[ | |
{ | |
"environment_name":"dev", | |
"aws_account":"977306314792", | |
"aws_gha_role":"hw-fargate-api-dev-gha" | |
} | |
] | |
}' | |
echo matrix=`echo $matrix | jq -c .` >> $GITHUB_ENV | |
- name: Set up STG Environment Variables | |
if: github.base_ref == 'stg' | |
run: | | |
matrix='{ | |
"env":[ | |
{ | |
"environment_name":"stg", | |
"aws_account":"977306314792", | |
"aws_gha_role":"hw-fargate-api-stg-gha" | |
} | |
] | |
}' | |
echo matrix=`echo $matrix | jq -c .` >> $GITHUB_ENV | |
- name: Set up PRD/CPY Environment Variables | |
if: github.base_ref == 'prd' | |
run: | | |
matrix='{ | |
"env":[ | |
{ | |
"environment_name":"prd", | |
"aws_account":"539738229445", | |
"aws_gha_role":"hw-fargate-api-prd-gha" | |
}, | |
{ | |
"environment_name":"cpy", | |
"aws_account":"539738229445", | |
"aws_gha_role":"hw-fargate-api-cpy-gha" | |
} | |
] | |
}' | |
echo matrix=`echo $matrix | jq -c .` >> $GITHUB_ENV | |
outputs: | |
matrix: ${{ env.matrix }} | |
format: | |
name: Terraform Format | |
timeout-minutes: 3 | |
runs-on: ubuntu-latest | |
steps: | |
- uses: actions/checkout@v4 | |
- name: Terraform Setup | |
uses: opentofu/setup-opentofu@v1 | |
with: | |
tofu_version: ${{ env.tf_version }} | |
- name: Terraform Format | |
working-directory: terraform | |
run: tofu fmt -check -recursive | |
plan: | |
name: Terraform Plan / ${{ matrix.env.environment_name }} | |
timeout-minutes: 6 | |
runs-on: ubuntu-latest | |
needs: env | |
strategy: | |
matrix: ${{ fromJson(needs.env.outputs.matrix) }} | |
fail-fast: false | |
permissions: | |
contents: read | |
actions: read | |
pull-requests: write | |
id-token: write | |
steps: | |
- uses: actions/checkout@v4 | |
- name: Configure AWS credentials | |
uses: aws-actions/configure-aws-credentials@v4 | |
with: | |
role-to-assume: "arn:aws:iam::${{ matrix.env.aws_account }}:role/${{ matrix.env.aws_gha_role }}" | |
role-session-name: ${{ github.sha }} | |
aws-region: us-west-2 | |
- name: Terraform Setup | |
uses: opentofu/setup-opentofu@v1 | |
with: | |
tofu_version: ${{ env.tf_version }} | |
- name: Terraform Init | |
working-directory: terraform/app | |
run: tofu init -var-file=${{ matrix.env.environment_name }}.tfvars | |
- name: Terraform Plan | |
working-directory: terraform/app | |
run: tofu plan -var-file=${{ matrix.env.environment_name }}.tfvars -var 'image_tag=ci_test' -input=false -out plan -lock=false | |
- name: Comment Terraform Plan | |
uses: byu-oit/github-action-tf-plan-comment@v1 | |
with: | |
github-token: ${{ secrets.GITHUB_TOKEN }} | |
working-directory: terraform/app | |
terraform-plan-file: plan | |
- name: Analyze Terraform Plan | |
uses: byu-oit/github-action-tf-plan-analyzer@v2 | |
if: github.repository_owner == 'byu-oit' | |
# If you're at BYU, but outside the byu-oit GitHub org, you may be able to obtain credentials by contacting [email protected] | |
with: | |
working-directory: terraform/app | |
terraform-plan-file: plan | |
divvycloud-username: ${{ secrets.DIVVYCLOUD_USERNAME }} | |
divvycloud-password: ${{ secrets.DIVVYCLOUD_PASSWORD }} | |