test: Send results to slack channel (kubeflow#466)

Send the e2e-test results to slack channel. The
message also encloses the link to details page of the
pipeline run.

.tekton/listener.yaml

@@ -40,6 +40,12 @@ spec:
     - name: kubeflow-ns
       description: kubeflow namespace
       default: kubeflow
+    - name: slack-webhook
+      description: webhook URL
+      default: ""
+    - name: slack-channel
+      description: slack channel
+      default: ""
   resourcetemplates:
     - apiVersion: v1
       kind: PersistentVolumeClaim
@@ -94,6 +100,10 @@ spec:
           value: $(params.kubernetes-cluster)
         - name: kubeflow-ns
           value: $(params.kubeflow-ns)
+        - name: slack-webhook
+          value: $(params.slack-webhook)
+        - name: slack-channel
+          value: $(params.slack-channel)
 ---
 apiVersion: tekton.dev/v1beta1
 kind: TriggerBinding

.tekton/pipeline.yaml

@@ -39,6 +39,12 @@ spec:
       default: kubeflow
     - name: kubernetes-cluster
       description: cluster name
+    - name: slack-webhook
+      description: webhook URL
+      default: ""
+    - name: slack-channel
+      description: slack channel
+      default: ""
   workspaces:
   - name: pipeline-pvc
   tasks:
@@ -246,6 +252,10 @@ spec:
           value: $(params.kubernetes-cluster)
         - name: kubeflow-ns
           value: $(params.kubeflow-ns)
+        - name: slack-webhook
+          value: $(params.slack-webhook)
+        - name: slack-channel
+          value: $(params.slack-channel)
       workspaces:
       - name: task-pvc
         workspace: pipeline-pvc

.tekton/task.yaml

@@ -225,6 +225,12 @@ spec:
     - name: archive-dir
       description: archive directory
       default: "."
+    - name: slack-webhook
+      description: webhook URL
+      default: ""
+    - name: slack-channel
+      description: slack channel
+      default: ""
   workspaces:
   - name: task-pvc
     mountPath: /artifacts
@@ -240,6 +246,18 @@ spec:
           value: $(params.archive-dir)
         - name: KUBEFLOW_NS
           value: $(params.kubeflow-ns)
+        - name: SLACK_WEBHOOK
+          value: $(params.slack-webhook)
+        - name: SLACK_CHANNEL
+          value: $(params.slack-channel)
+        - name: PIPELINE_URL
+          valueFrom:
+            fieldRef:
+              fieldPath: metadata.annotations['devops.cloud.ibm.com/pipeline-run-url']
+        - name: BUILD_NUMBER
+          valueFrom:
+            fieldRef:
+              fieldPath: metadata.annotations['devops.cloud.ibm.com/build-number']
       command: ["/bin/bash", "-c"]
       args:
         - set -ex;

scripts/deploy/iks/e2e-test.sh

@@ -20,6 +20,13 @@ set -ex
 # Need the following env
 # - PIPELINE_KUBERNETES_CLUSTER_NAME:       kube cluster name
 # - KUBEFLOW_NS:                            kubeflow namespace
+# - SLACK_WEBHOOK:                          webhook to send out the notification
+# - SLACK_CHANNEL:                          slack channel name
+# - PIPELINE_URL:                           url to point of the details page for this pipeline run
+
+SLACK_WEBHOOK="${SLACK_WEBHOOK:-""}"
+SLACK_CHANNEL="${SLACK_CHANNEL:-""}"
+PIPELINE_URL="${PIPELINE_URL:-""}"
 
 # These env vars should come from the build.properties that `build-image.sh` generates
 echo "REGISTRY_URL=${REGISTRY_URL}"
@@ -35,6 +42,8 @@ echo "SPACE=${SPACE}"
 echo "RESOURCE_GROUP=${RESOURCE_GROUP}"
 echo "PIPELINE_KUBERNETES_CLUSTER_NAME=${PIPELINE_KUBERNETES_CLUSTER_NAME}"
 echo "KUBEFLOW_NS=${KUBEFLOW_NS}"
+echo "PIPELINE_URL=${PIPELINE_URL}"
+echo "SLACK_CHANNEL=${SLACK_CHANNEL}"
 
 # copy files to ARCHIVE_DIR for next stage if needed
 echo "Checking archive dir presence"
@@ -138,23 +147,30 @@ run_flip_coin_example() {
 RESULT=0
 run_flip_coin_example 10 || RESULT=$?
 
+PUBLISH_BUILD_STATUS=pass
+STATUS_MSG=PASSED
+if [[ "$RESULT" -ne 0 ]]; then
+  PUBLISH_BUILD_STATUS=fail
+  STATUS_MSG=FAILED
+fi
 # check if doi is integrated in this toolchain
 if [ -e _toolchain.json ]; then
   if jq -e '.services[] | select(.service_id=="draservicebroker")' _toolchain.json; then
-    PUBLISH_BUILD_STATUS=pass
-    if [[ "$RESULT" -ne 0 ]]; then
-      PUBLISH_BUILD_STATUS=fail
-    fi
     ibmcloud doi publishbuildrecord --branch "${GIT_BRANCH}" --repositoryurl "${GIT_URL}" --commitid "${GIT_COMMIT}" \
       --buildnumber "${BUILD_NUMBER}" --logicalappname "kfp-tekton" --status "$PUBLISH_BUILD_STATUS"
   fi
 fi
 
+if [[ "$SLACK_CHANNEL" != "" && "$SLACK_WEBHOOK" != "" ]]; then
+  curl -X POST --data-urlencode "payload={\"channel\": \"#${SLACK_CHANNEL}\", \"username\": \"tekton-pipeline\", \"type\": \"mrkdwn\", \"text\": \"build: *<${PIPELINE_URL} | ${BUILD_NUMBER}>* ${STATUS_MSG}.\", \"icon_emoji\": \":robot_:\"}" \
+    "$SLACK_WEBHOOK"
+fi
+
 kill %1
 
 if [[ "$RESULT" -ne 0 ]]; then
-  echo "e2e test FAILED"
+  echo "e2e test ${STATUS_MSG}"
   exit 1
 fi
 
-echo "e2e test PASSED"
+echo "e2e test ${STATUS_MSG}"