chore: Introduce failing observability example for podtatohead (#204)

Signed-off-by: odubajDT <ondrej.dubaj@dynatrace.com>

examples/observability/Makefile

@@ -113,6 +113,28 @@ deploy-podtatohead:
 	kubectl create namespace "$(PODTATO_NAMESPACE)" --dry-run=client -o yaml | kubectl apply -f -
 	kubectl annotate namespace "$(PODTATO_NAMESPACE)" keptn.sh/lifecycle-controller=enabled --overwrite
 	kubectl apply -f ./assets/podtatohead-deployment-evaluation/.
+	kubectl apply -f ./assets/podtatohead-evaluationdefinitions/keptnevaluationdefinition1.yaml
+	kubectl apply -f ./assets/podtatohead-evaluationdefinitions/keptnevaluationdefinition2.yaml
+	kubectl wait --for=condition=available deployment/podtato-head-entry -n podtato-kubectl --timeout=120s
+	@echo "Watch Workload Deployment Progress: kubectl get keptnworkloadinstances -n podtato-kubectl -w"
+
+.PHONY: deploy-podtatohead-failed-post
+deploy-podtatohead-failed-post:
+	kubectl create namespace "$(PODTATO_NAMESPACE)" --dry-run=client -o yaml | kubectl apply -f -
+	kubectl annotate namespace "$(PODTATO_NAMESPACE)" keptn.sh/lifecycle-controller=enabled --overwrite
+	kubectl apply -f ./assets/podtatohead-deployment-evaluation/.
+	kubectl apply -f ./assets/podtatohead-evaluationdefinitions/keptnevaluationdefinition1.yaml
+	kubectl apply -f ./assets/podtatohead-evaluationdefinitions/keptnevaluationdefinition3.yaml
+	kubectl wait --for=condition=available deployment/podtato-head-entry -n podtato-kubectl --timeout=120s
+	@echo "Watch Workload Deployment Progress: kubectl get keptnworkloadinstances -n podtato-kubectl -w"
+
+.PHONY: deploy-podtatohead-failed-pre
+deploy-podtatohead-failed-pre:
+	kubectl create namespace "$(PODTATO_NAMESPACE)" --dry-run=client -o yaml | kubectl apply -f -
+	kubectl annotate namespace "$(PODTATO_NAMESPACE)" keptn.sh/lifecycle-controller=enabled --overwrite
+	kubectl apply -f ./assets/podtatohead-deployment-evaluation/.
+	kubectl apply -f ./assets/podtatohead-evaluationdefinitions/keptnevaluationdefinition3.yaml
+	kubectl apply -f ./assets/podtatohead-evaluationdefinitions/keptnevaluationdefinition4.yaml
 	kubectl wait --for=condition=available deployment/podtato-head-entry -n podtato-kubectl --timeout=120s
 	@echo "Watch Workload Deployment Progress: kubectl get keptnworkloadinstances -n podtato-kubectl -w"
 

examples/observability/assets/podtatohead-deployment-evaluation/app.yaml

@@ -20,5 +20,7 @@ spec:
       version: 0.1.0
   postDeploymentTasks:
     - post-deployment-hello
-  preDeploymentEvaluations:     #Comment out this two lines if you do not have a prometheus installation
-    - my-prometheus-definition
+  preDeploymentEvaluations:     #Comment out this four lines if you do not have a prometheus installation
+    - my-prometheus-definition1
+  postDeploymentEvaluations:
+    - my-prometheus-definition2

examples/observability/assets/podtatohead-deployment-evaluation/keptnevaluationprovider.yaml

@@ -4,4 +4,4 @@ metadata:
   name: prometheus
   namespace: podtato-kubectl
 spec:
-  targetServer: "http://prometheus-k8s.monitoring.svc.cluster.local:9090" #string
+  targetServer: "http://prometheus-k8s.monitoring.svc.cluster.local:9090"

examples/observability/assets/podtatohead-deployment-evaluation/manifest.yaml

@@ -76,8 +76,8 @@ spec:
       labels:
         component: podtato-head-hat
         keptn.sh/pre-deployment-tasks: check-entry-service
-        keptn.sh/pre-deployment-evaluations: my-prometheus-definition
-        keptn.sh/post-deployment-evaluations: my-prometheus-definition
+        keptn.sh/pre-deployment-evaluations: my-prometheus-definition1
+        keptn.sh/post-deployment-evaluations: my-prometheus-definition1
       annotations:
         keptn.sh/app: podtato-head
         keptn.sh/workload: podtato-head-hat

examples/observability/assets/podtatohead-evaluationdefinitions/keptnevaluationdefinition1.yaml

@@ -0,0 +1,12 @@
+apiVersion: lifecycle.keptn.sh/v1alpha1
+kind: KeptnEvaluationDefinition
+metadata:
+  name: my-prometheus-definition1
+  namespace: podtato-kubectl
+spec:
+  source: prometheus
+  objectives:
+    - name: available-cpus ## this query should pass
+      query: "sum(kube_pod_container_resource_limits{resource='cpu'}) - sum(kube_node_status_capacity{resource='cpu'})"
+      evaluationTarget: "<1"
+

examples/observability/assets/podtatohead-evaluationdefinitions/keptnevaluationdefinition2.yaml

@@ -0,0 +1,12 @@
+apiVersion: lifecycle.keptn.sh/v1alpha1
+kind: KeptnEvaluationDefinition
+metadata:
+  name: my-prometheus-definition2
+  namespace: podtato-kubectl
+spec:
+  source: prometheus
+  objectives:
+    - name: consumed-memory ## this query should pass
+      query: "sum(kube_node_status_capacity{resource='memory'})"
+      evaluationTarget: "<1000000000000"
+

examples/observability/assets/podtatohead-deployment-evaluation/keptnevaluationdefinition.yaml → examples/observability/assets/podtatohead-evaluationdefinitions/keptnevaluationdefinition3.yaml

@@ -1,15 +1,15 @@
 apiVersion: lifecycle.keptn.sh/v1alpha1
 kind: KeptnEvaluationDefinition
 metadata:
-  name: my-prometheus-definition
+  name: my-prometheus-definition2
   namespace: podtato-kubectl
 spec:
   source: prometheus
   objectives:
-    - name: available-cpus
+    - name: available-cpus ## this query should fail
       query: "sum(kube_pod_container_resource_limits{resource='cpu'}) - sum(kube_node_status_capacity{resource='cpu'})"
-      evaluationTarget: ">1" #string: can only be starting with < or >
-    - name: consumed-memory
+      evaluationTarget: ">1"
+    - name: consumed-memory  ## this query should pass
       query: "sum(kube_node_status_capacity{resource='memory'})"
-      evaluationTarget: "<1000000000000" #string: can only be starting with < or >
+      evaluationTarget: "<1000000000000"
 

examples/observability/assets/podtatohead-evaluationdefinitions/keptnevaluationdefinition4.yaml

@@ -0,0 +1,12 @@
+apiVersion: lifecycle.keptn.sh/v1alpha1
+kind: KeptnEvaluationDefinition
+metadata:
+  name: my-prometheus-definition1
+  namespace: podtato-kubectl
+spec:
+  source: prometheus
+  objectives:
+    - name: available-cpus ## this query should fail
+      query: "sum(kube_pod_container_resource_limits{resource='cpu'}) - sum(kube_node_status_capacity{resource='cpu'})"
+      evaluationTarget: ">1000"
+