Add GitHub Actions workflow to trigger METplus testing workflow

.github/jobs/build_and_push_docker_image.sh

@@ -0,0 +1,40 @@
+#! /bin/bash
+
+# utility function to run command get log the time it took to run
+function time_command {
+  local start_seconds=$SECONDS
+  echo "RUNNING: $*"
+  "$@"
+  local error=$?
+
+  local duration=$(( SECONDS - start_seconds ))
+  echo "TIMING: Command took `printf '%02d' $(($duration / 60))`:`printf '%02d' $(($duration % 60))` (MM:SS): '$*'"
+  if [ ${error} -ne 0 ]; then
+    echo "ERROR: '$*' exited with status = ${error}"
+  fi
+  return $error
+}
+
+prefix=refs/heads/
+branch_name=${GITHUB_REF#"$prefix"}
+DOCKERHUB_TAG=dtcenter/met:${branch_name}
+
+DOCKERFILE_DIR=${GITHUB_WORKSPACE}/scripts/docker
+
+echo "::group::Docker Build Command"
+time_command docker build -t ${DOCKERHUB_TAG} \
+       --build-arg SOURCE_BRANCH=$branch_name \
+       $DOCKERFILE_DIR
+echo "::endgroup::"
+
+# skip docker push if credentials are not set
+if [ -z ${DOCKER_USERNAME+x} ] || [ -z ${DOCKER_PASSWORD+x} ]; then
+    echo "DockerHub credentials not set. Skipping docker push"
+    exit 0
+fi
+
+echo "$DOCKER_PASSWORD" | docker login --username "$DOCKER_USERNAME" --password-stdin
+
+echo "::group::Docker Push Command"
+time_command docker push ${DOCKERHUB_TAG}
+echo "::endgroup::"

.github/workflows/build_docker_and_trigger_metplus.yml

@@ -0,0 +1,45 @@
+name: Build Docker Image and Trigger METplus Workflow
+
+on:
+  push:
+    branches:
+      - develop
+    paths:
+      - 'met/src/**'
+
+jobs:
+  build_met_docker:
+    name: Handle Docker Image
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Build and Push Docker Image
+        run: .github/jobs/build_and_push_docker_image.sh
+        env:
+          DOCKER_USERNAME: ${{ secrets.DOCKER_USERNAME }}
+          DOCKER_PASSWORD: ${{ secrets.DOCKER_PASSWORD }}
+  trigger_metplus:
+    name: Trigger METplus testing workflow
+    runs-on: ubuntu-latest
+    needs: build_met_docker
+    steps:
+      - name: Print GitHub values for reference
+        env:
+          GITHUB_CONTEXT: ${{ toJson(github) }}
+        run: echo "$GITHUB_CONTEXT"
+      - uses: actions/github-script@v5
+        with:
+          github-token: ${{ secrets.METPLUS_BOT_TOKEN }}
+          script: |
+            await github.rest.actions.createWorkflowDispatch({
+              owner: 'dtcenter',
+              repo: 'METplus',
+              workflow_id: 'testing.yml',
+              ref: 'develop',
+              inputs: {
+                repo_name: '${{ github.repository }}',
+                docker_tag: '${{ github.ref }}',
+                actor: '${{ github.actor }}',
+                commit: '${{ github.sha }}'
+              },
+            });

met/.gitignore

@@ -17,6 +17,7 @@ bin
 share
 Makefile
 Makefile.in
+make.log
 
 # tilda files generated by emacs
 *~