[stable/chaoskube] Utilize the podAnnotations for Prometheus scraping (#11780)

* [stable/chaoskube] Utilize the podAnnotations value

Signed-off-by: Marc Sensenich <sensenichm91@gmail.com>

* [stable/chaoskube] Allow for specification of the metricsAddress

Signed-off-by: Marc Sensenich <sensenichm91@gmail.com>

* [stable/chaoskube] Update chart version to a 1.0.0 release due to being in stable

Signed-off-by: Marc Sensenich <sensenichm91@gmail.com>

stable/chaoskube/Chart.yaml

@@ -1,6 +1,6 @@
 apiVersion: v1
 name: chaoskube
-version: 0.14.0
+version: 1.0.0
 appVersion: 0.12.1
 description: Chaoskube periodically kills random pods in your Kubernetes cluster.
 icon: https://raw.githubusercontent.com/linki/chaoskube/master/chaoskube.png

stable/chaoskube/README.md

@@ -63,6 +63,7 @@ $ helm install stable/chaoskube --set dryRun=false
 | `minimumAge`              | Set minimum pod age to filter pod by                | `0s`                             |
 | `podAnnotations`          | Annotations for the chaoskube pod                   | `{}`                             |
 | `gracePeriod`             | grace period to give pods when terminating them     | `-1s` (pod decides)              |
+| `metricsAddress`          | Listening address for metrics handler               | `:8080`                          |
 
 Setting label and namespaces selectors from the shell can be tricky but is possible (example with zsh):
 

stable/chaoskube/templates/deployment.yaml

@@ -18,6 +18,10 @@ spec:
     metadata:
       labels:
 {{ include "labels.standard" . | indent 8 }}
+    {{- if .Values.podAnnotations }}
+      annotations:
+{{ toYaml .Values.podAnnotations | indent 8 }}
+    {{- end }}
     spec:
       containers:
         - name: {{ .Values.name }}
@@ -39,6 +43,7 @@ spec:
             {{- end }}
             - --minimum-age={{ .Values.minimumAge }}
             - --grace-period={{ .Values.gracePeriod }}
+            - --metrics-address={{ .Values.metricsAddress }}
           resources:
 {{ toYaml .Values.resources | indent 12 }}
           securityContext:

stable/chaoskube/values.yaml

@@ -46,6 +46,9 @@ minimumAge: 0s
 # grace period to give pods when terminating them (negative: pod decides)
 gracePeriod: -1s
 
+# Listening address for metrics handler
+metricsAddress: :8080
+
 priorityClassName: ""
 
 # create service account with permission to list and kill pods