Implement runner for e2e tests (#548)

* implement a runner for e2e tests

* move e2e tests to a Docker container

* integrate e2e tests into build pipelines

* add tests for multi-namespace support and logical backup jobs

* @FxKu implement the first e2e test for failovers

delivery.yaml

@@ -11,7 +11,7 @@ pipeline:
             apt-get update
         - desc: 'Install required build software'
           cmd: |
-            apt-get install -y make git apt-transport-https ca-certificates curl build-essential
+            apt-get install -y make git apt-transport-https ca-certificates curl build-essential python3 python3-pip
         - desc: 'Install go'
           cmd: |
             cd /tmp
@@ -41,6 +41,10 @@ pipeline:
             export PATH=$PATH:$HOME/go/bin
             cd $OPERATOR_TOP_DIR/postgres-operator
             go test ./...
+        - desc: 'Run e2e tests'
+          cmd: |
+            cd $OPERATOR_TOP_DIR/postgres-operator
+            make e2e-tools e2e-build e2e-run
         - desc: 'Push docker image'
           cmd: |
             export PATH=$PATH:$HOME/go/bin