test: refactor kuttl test using env var

.yamllint

@@ -37,7 +37,7 @@ rules:
   key-duplicates: enable
   key-ordering: disable
   line-length:
-    max: 150
+    max: 155
   new-line-at-end-of-file: enable
   new-lines: enable
   octal-values: enable

Makefile

@@ -31,7 +31,7 @@ $(HELMIFY): $(LOCALBIN)
 	test -s $(LOCALBIN)/helmify || GOBIN=$(LOCALBIN) go install github.com/keptn/helmify/cmd/helmify@b1da2bb756ec4328bac7645da037a6fb4e6f30cf
 
 .PHONY: integration-test #these tests should run on a real cluster!
-integration-test:
+integration-test:	# to run a single test by name use --test eg. --test=expose-keptn-metric
 	kubectl kuttl test --start-kind=false ./test/integration/ --config=kuttl-test.yaml
 
 .PHONY: integration-test-local #these tests should run on a real cluster!

test/integration/expose-keptn-metric/00-teststep.yaml

@@ -0,0 +1,11 @@
+apiVersion: kuttl.dev/v1
+kind: TestStep
+commands: # generating job and metric based on namespace to avoid interference between runs
+  - script: |
+      export NAME=$( echo $NAMESPACE | tr -d -)
+      echo "installing first job"
+      envsubst < job-no-metric.yaml | kubectl apply -f -
+  - script: |
+      export NAME=$( echo $NAMESPACE | tr -d -)
+      echo "asserting first job"
+      kubectl wait --for=condition=complete job $NAME-job1 -n $NAMESPACE

test/integration/expose-keptn-metric/01-teststep.yaml

@@ -0,0 +1,12 @@
+apiVersion: kuttl.dev/v1
+kind: TestStep
+commands:
+  - script: | # generating job and metric based on namespace to avoid interference between runs
+      export NAME=$( echo $NAMESPACE | tr -d -)
+      echo "installing second job"
+      envsubst < job-existing-metric.yaml  | kubectl apply -f -
+
+  - script: | # generating job assertion file
+      export NAME=$( echo $NAMESPACE | tr -d -)
+      echo "asserting second job"
+      kubectl wait --for=condition=complete job $NAME-job2 -n $NAMESPACE

test/integration/expose-keptn-metric/01-install.yaml → test/integration/expose-keptn-metric/job-existing-metric.yaml

@@ -1,8 +1,8 @@
 apiVersion: metrics.keptn.sh/v1alpha2
 kind: KeptnMetric
 metadata:
-  name: keptnmetric-sample
-  namespace: keptn-lifecycle-toolkit-system
+  name: $NAME
+  namespace: $NAMESPACE
 spec:
   provider:
     name: "provider"
@@ -12,7 +12,8 @@ spec:
 apiVersion: batch/v1
 kind: Job
 metadata:
-  name: test2
+  name: $NAME-job2
+  namespace: $NAMESPACE
 spec:
   backoffLimit: 5
   template:
@@ -25,7 +26,8 @@ spec:
             - -ec
             - |
               curl -s metrics-operator-service.keptn-lifecycle-toolkit-system.svc.cluster.local:9999/metrics > ~/out.txt
-              if grep -Fxq "# HELP keptnmetric_sample keptnmetric-sample" ~/out.txt
+              echo ~/out.txt
+              if grep -Fxq "# HELP $NAME $NAME" ~/out.txt
               then
                 exit 0
               fi
@@ -37,8 +39,9 @@ spec:
             - /bin/sh
             - -ec
             - |
-              curl -s metrics-operator-service.keptn-lifecycle-toolkit-system.svc.cluster.local:9999/api/v1/metrics/keptn-lifecycle-toolkit-system/keptnmetric-sample > ~/out.txt
-              if grep -F "keptnmetric-sample" ~/out.txt
+              curl -s metrics-operator-service.keptn-lifecycle-toolkit-system.svc.cluster.local:9999/api/v1/metrics/$NAMESPACE/$NAME > ~/out.txt
+              echo ~/out.txt
+              if grep -F "$NAME" ~/out.txt
               then
                 exit 0
               fi

test/integration/expose-keptn-metric/00-install.yaml → test/integration/expose-keptn-metric/job-no-metric.yaml

@@ -1,7 +1,8 @@
 apiVersion: batch/v1
 kind: Job
 metadata:
-  name: test
+  name: $NAME-job1
+  namespace: $NAMESPACE
 spec:
   backoffLimit: 0
   template:
@@ -14,7 +15,7 @@ spec:
             - -ec
             - |
               curl -s metrics-operator-service.keptn-lifecycle-toolkit-system.svc.cluster.local:9999/metrics > ~/out.txt
-              if grep -Fxq "# HELP keptnmetric_sample keptnmetric-sample" ~/out.txt
+              if grep -Fxq "# HELP $NAME $NAME" ~/out.txt
               then
                 exit 1
               fi
@@ -24,8 +25,8 @@ spec:
             - /bin/sh
             - -ec
             - |
-              curl -s metrics-operator-service.keptn-lifecycle-toolkit-system.svc.cluster.local:9999/api/v1/metrics//keptnmetric-sample > ~/out.txt
-              if grep -F "keptnmetric-sample" ~/out.txt
+              curl -s metrics-operator-service.keptn-lifecycle-toolkit-system.svc.cluster.local:9999/api/v1/metrics/$NAMESPACE/$NAME > ~/out.txt
+              if grep -F "$NAME" ~/out.txt
               then
                 exit 1
               fi