workflow: add container build validation

This removes the container build and validation from Travis CI.

Signed-off-by: Dimitri Savineau <dsavinea@redhat.com>
(cherry picked from commit bb796c4)

.github/workflows/container.yml

@@ -0,0 +1,31 @@
+name: container
+on: [pull_request]
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: checkout
+        uses: actions/checkout@v2
+
+      - name: build the ceph container image
+        run: make RELEASE="demo" FLAVORS="luminous,centos,7" build
+
+      - name: run the ceph demo container
+        run: docker run -d --privileged --name ceph-demo -v /etc/modprobe.d:/etc/modprobe.d -v /mnt/ceph:/var/lib/ceph -e RGW_FRONTEND_TYPE=civetweb -e RGW_CIVETWEB_OPTIONS="num_threads=100" -e DEBUG=verbose -e RGW_CIVETWEB_PORT=8000 -e MON_IP=127.0.0.1 -e CEPH_PUBLIC_NETWORK=0.0.0.0/0 -e CLUSTER=test -e CEPH_DEMO_UID=demo -e CEPH_DEMO_ACCESS_KEY=G1EZ5R4K6IJ7XUQKMAED -e CEPH_DEMO_SECRET_KEY=cNmUrqpBKjCMzcfqG8fg4Qk07Xkoyau52OmvnSsz -e CEPH_DEMO_BUCKET=foobar -e SREE_VERSION=v0.1 -e SREE_PORT=5001 -e DATA_TO_SYNC=/etc/modprobe.d -e DATA_TO_SYNC_BUCKET=github ceph/daemon:demo-luminous-centos-7-x86_64 demo
+
+      - name: run the demo validation
+        run: |
+          sleep 10
+          sudo ./travis-builds/validate_demo_cluster.sh
+          docker exec ceph-demo ps fauwwwx
+          docker exec ceph-demo ss -ntlp
+          docker exec ceph-demo cat /etc/ceph/test.conf
+
+      - name: debug on failure
+        if: ${{ failure() }}
+        run: |
+          docker images
+          docker ps
+          docker ps -a
+          docker logs ceph-demo
+          docker exec ceph-demo ceph --cluster test -s