build(Infra): Adds infrastructure/build workflow for GEE tile server …

…cloud function (using a placeholder function)

.github/actions/build-and-deploy-cloud-function/action.yml

@@ -0,0 +1,52 @@
+name: Build And Deploy to Cloud Run
+description: Build And Deploy to Cloud Run
+inputs:
+  GCP_SA_KEY:
+    description: "Service Account Key to log into GCP"
+    required: true
+  REGION:
+    description: "GCP Region"
+    required: true
+  CLOUD_FUNCTION_NAME:
+    description: "Cloud Function Name"
+    required: true
+  CLOUD_FUNCTION_PATH:
+    description: "Path to the source code of the Cloud Function to be deployed (./cloudfunction/someFunction ...)"
+    required: true
+  DRY_RUN:
+    description: "Makes the action work in Dry Run Mode"
+    required: false
+    default: "false" # WARNING Input type is not supported in composite actions. Must treat it as a string
+
+#NOTE Actions needs to specify the shell to use on every steps that uses "runs:" https://stackoverflow.com/questions/71041836/github-actions-required-property-is-missing-shell
+
+outputs:
+  url:
+    description: url
+    value: ${{steps.deploy.outputs.url}}
+
+runs:
+  using: "composite"
+  steps:
+    - name: Google Auth
+      id: auth
+      uses: 'google-github-actions/auth@v2'
+      with:
+        credentials_json: "${{ inputs.GCP_SA_KEY }}"
+        token_format: 'access_token'
+    - name: 'Set up Cloud SDK'
+      uses: 'google-github-actions/setup-gcloud@v2'
+      with:
+        version: '>= 363.0.0'
+    #- name: 'Use gcloud CLI'
+     # shell: bash
+      #run: 'gcloud info'
+    - name: 'Deploy to gen2 cloud function'
+      if: ${{ inputs.DRY_RUN == 'false' || inputs.DRY_RUN == ''}}
+      shell: bash
+      #NOTE .env file must be in YAML format
+      run: |
+        gcloud functions deploy  ${{ inputs.CLOUD_FUNCTION_NAME }} \
+        --gen2 \
+        --region=${{ inputs.REGION }} \
+        --source=${{ inputs.CLOUD_FUNCTION_PATH}} \

.github/workflows/main.yml

@@ -29,6 +29,7 @@ on:
     paths:
       - 'client/**'
       - 'cms/**'
+      - 'cloud_functions/**'
       - '.github/workflows/*'
       - 'infrastructure/**'
 
@@ -232,3 +233,65 @@ jobs:
       - name: Show Output
         if: ${{ steps.applicable_check.outputs.flag }}
         run: echo ${{ steps.build_and_deploy.outputs.url || 'No URL generated' }}
+
+  deploy_cloud_function:
+    # Add 'id-token' with the intended permissions for workload identity federation
+    permissions:
+      contents: 'read'
+      id-token: 'write'
+
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - uses: dorny/paths-filter@v3
+        id: cf-changes
+        with:
+          filters: |
+            cloud_function:
+              - 'cloud_functions/**'
+              - '.github/workflows/**'
+
+      - name: Applicable check
+        id: applicable_check
+        run: |
+          {
+            echo "flag=${{ github.event_name == 'workflow_dispatch' || steps.cf-changes.outputs.cloud_function == 'true' }}"
+          } >> $GITHUB_OUTPUT
+
+      - name: Extract branch name
+        if: ${{ steps.applicable_check.outputs.flag }}
+        run: |
+          {
+            branch=${GITHUB_HEAD_REF:-${GITHUB_REF#refs/heads/}}
+            echo "branch=${branch}"
+            echo "branch_upper=${branch^^}"
+          } >> $GITHUB_OUTPUT
+        id: extract_branch
+
+      - name: Set environment name
+        if: ${{ steps.applicable_check.outputs.flag }}
+        id: environment_name
+        run: |
+          {
+            echo "ENVIRONMENT=${{ inputs.ENVIRONMENT_NAME_OVERRIDE || steps.extract_branch.outputs.branch == 'main' && 'PRODUCTION' || steps.extract_branch.outputs.branch_upper }}"
+          } >> $GITHUB_ENV
+
+      - name: Build and Deploy
+        if: ${{ steps.applicable_check.outputs.flag }}
+        id: build_and_deploy
+        uses: ./.github/actions/build-and-deploy-cloud-function
+        with:
+          GCP_SA_KEY: ${{ secrets[format('TF_{0}_GCP_SA_KEY', env.ENVIRONMENT)] }}
+          REGION: ${{ env.REGION }}
+          CLOUD_FUNCTION_NAME: ${{ secrets[format('TF_{0}_EET_CF_NAME', env.ENVIRONMENT)] }}
+          CLOUD_FUNCTION_PATH: "cloud_functions/earth_engine_tiler/"
+          DRY_RUN: ${{ inputs.dry_run }}
+
+      # If required, use the Cloud Run url output in later steps
+      - name: Show Output
+        if: ${{ steps.applicable_check.outputs.flag }}
+        run: echo ${{ steps.build_and_deploy.outputs.url || 'No URL generated' }}
+

cloud_functions/earth_engine_tiler/.gcloudignore

@@ -0,0 +1 @@
+package-lock.json