ci: add drone.yml

.drone.yml

@@ -0,0 +1,53 @@
+---
+kind: pipeline
+type: kubernetes
+name: Terraform root module
+
+trigger:
+  event:
+  - cron
+  - push
+  branch:
+  - main
+
+environment:
+  AWS_ACCESS_KEY_ID:
+    from_secret: terraform-aws-key-id
+  AWS_SECRET_ACCESS_KEY:
+    from_secret: terraform-aws-secret-access-key
+
+steps:
+- name: terraform init
+  image: hashicorp/terraform:1.1.8
+  commands:
+    - mkdir -p ~/.ssh
+    - chmod 755 ~/.ssh
+    - echo "$${CI_SSH_KEY}" | base64 -d > ~/.ssh/id_rsa
+    - chmod 600 ~/.ssh/id_rsa
+    - terraform init
+  environment:
+    GIT_SSH_COMMAND: "ssh -o StrictHostKeyChecking=no"
+    CI_SSH_KEY:
+      from_secret: ci-ssh-key
+
+- name: terraform plan
+  image: hashicorp/terraform:1.1.8
+  commands:
+  - terraform plan -out .tfplan
+
+- name: terraform apply
+  when:
+    when:
+      branch:
+      - main
+      event:
+      - push
+  image: hashicorp/terraform:1.1.8
+  commands:
+    - terraform show -plan .tfplan
+    # - terraform apply -plan .tfplan -auto-approve
+---
+kind: signature
+hmac: 27148d661f9be0ea64b8ac57e17774f150c39a02565c787ba793bdde3b798110
+
+...