Add gh action for hotrod ci jobs (jaegertracing#2702)

Signed-off-by: Ashmita Bohara <[email protected]>

.github/workflows/ci-hotrod.yml

@@ -0,0 +1,46 @@
+name: CIT Hotrod
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  hotrod:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+      with:
+        submodules: true
+
+    - name: Fetch git tags
+      run: |
+        git fetch --prune --unshallow --tags
+
+    - uses: actions/setup-go@v2
+      with:
+        go-version: ^1.15
+
+    - uses: docker/login-action@v1
+      id: dockerhub-login
+      with:
+        username: jaegertracingbot
+        password: ${{ secrets.DOCKERHUB_TOKEN }}
+      env:
+        DOCKERHUB_TOKEN: ${{ secrets.DOCKERHUB_TOKEN }}
+      if: env.DOCKERHUB_TOKEN != null
+
+    - name: Export DOCKERHUB_LOGIN variable
+      run: |
+        echo "DOCKERHUB_LOGIN=true" >> $GITHUB_ENV
+      if: steps.dockerhub-login.outcome == 'success'
+
+    - name: Export BRANCH variable
+      uses: ./.github/actions/setup-branch
+
+    - name: Install tools
+      run: make install-ci
+
+    - name: Build, test, and publish hotrod image
+      run: bash scripts/travis/hotrod-integration-test.sh

scripts/travis/hotrod-integration-test.sh

@@ -1,10 +1,9 @@
 #!/bin/bash
 
-set -e
+set -euxf -o pipefail
 
 make docker-hotrod
 export REPO=jaegertracing/example-hotrod
-
 export CID=$(docker run -d -p 8080:8080 $REPO:latest)
 i=0
 while [[ "$(curl -s -o /dev/null -w ''%{http_code}'' localhost:8080)" != "200" && ${i} < 5 ]]; do
@@ -19,13 +18,14 @@ fi
 docker rm -f $CID
 
 BRANCH=${BRANCH:?'missing BRANCH env var'}
-# Only push images to Docker Hub for master branch or for release tags vM.N.P
-if [[ ("$BRANCH" == "master" || $BRANCH =~ ^v[0-9]+\.[0-9]+\.[0-9]+$) && "$TRAVIS_SECURE_ENV_VARS" == "true" ]]; then
+DOCKERHUB_LOGIN=${DOCKERHUB_LOGIN:-false}
+
+# Only push images to Docker Hub for master branch or for release tags vM.N.P and when dockerhub login is done
+if [[ ("$BRANCH" == "master" || $BRANCH =~ ^v[0-9]+\.[0-9]+\.[0-9]+$) && "$DOCKERHUB_LOGIN" == "true" ]]; then
   echo "upload to Docker Hub, BRANCH=$BRANCH"
 else
   echo "skip Docker upload, only allowed for tagged releases or master (latest tag)"
   exit 0
 fi
 
 bash ./scripts/travis/upload-to-docker.sh
-