action.yaml

name: Gogaille setup terraform
description: >
  Setup terraform by:
    1. Downloading required version if needed
    2. Initializing it

inputs:
  terraform-version:
    description: Terraform required version
    required: true
    default: "0.14.0"
  workspace-key-prefix:
    description: >
      Path to the state file inside the S3 Bucket.

      [Learn more by reading terraform documentation](https://www.terraform.io/docs/backends/types/s3.html#key)
    default: "preproduction"
    required: true
  working-directory:
    description: working directory
    required: true
    default: "."

runs:
  using: "composite"
  steps:
    - name: terraform install
      shell: bash
      run: |
        dpkg --compare-versions ${{ inputs.terraform-version }} eq $(terraform --version | head -n1 | cut -d'v' -f2) && exit 0
        curl -qs https://releases.hashicorp.com/terraform/"${{ inputs.terraform-version }}"/terraform_"${{ inputs.terraform-version }}"_linux_amd64.zip | \
          gunzip - | \
          sudo tee /usr/local/bin/terraform > /dev/null
        sudo chmod +x /usr/local/bin/terraform
        terraform --version
    - name: terraform init
      shell: bash
      run: |
        terraform init \
        -input=false \
        -backend-config "workspace_key_prefix=${{ inputs.workspace-key-prefix }}" \
        -reconfigure \
        -backend=true \
        -upgrade
      working-directory: ${{ inputs.working-directory }}
    - run: terraform get
      shell: bash
      working-directory: ${{ inputs.working-directory }}