Included st2stream

Author: sandesvitor

CHANGELOG.md

@@ -5,7 +5,7 @@
 * Prefix template helpers with chart name and format helper comments as template comments. (#272) (by @cognifloyd)
 * New feature: Add `extra_volumes` to all python-based st2 deployments. This can facilitate changing log levels by loading logging conf file(s) from a custom ConfigMap. (#276) (by @cognifloyd)
 * Initialize basic unittest infrastructure using `helm-unittest`. Added tests for labels, custom annotations, SecurityContext, pullSecrets, pullPolicy, Resources, nodeSelector, tolerations, affinity, dnsPolicy, dnsConfig, ServiceAccount attach, postStartScript, and both sensor-modes. (#284, #288)
-* New feature to include possibility for external services in st2api and st2auth, setting default value for this services as `ClusterIP` and `hostname: ""`. (by @sandesvitor)
+* New feature to include possibility for external services in st2api, st2stream and st2auth, setting default value for this services as `ClusterIP` and `hostname: ""`. (by @sandesvitor)
 
 ## v0.80.0
 * Switch st2 to `v3.6` as a new default stable version (#274)

templates/services.yaml

@@ -73,6 +73,12 @@ metadata:
   name: {{ .Release.Name }}-st2stream
   annotations:
     description: StackStorm st2stream - exposes a server-sent event stream, used by the clients like WebUI and ChatOps to receive update from the st2stream server.
+    {- if .Values.st2stream.service.hostname }}
+    external-dns.alpha.kubernetes.io/hostname: {{ .Values.st2stream.service.hostname | quote }}
+    {{- end }}
+    {{- if .Values.st2stream.service.annotations }}
+      {{- toYaml .Values.st2stream.service.annotations | nindent 4 }}
+    {{- end }}
   labels:
     app: st2stream
     tier: backend
@@ -84,7 +90,12 @@ spec:
   selector:
     app: st2stream
     release: {{ .Release.Name }}
-  type: ClusterIP
+  type: {{ .Values.st2stream.service.type }}
+  {{- if contains "ExternalName" .Values.st2stream.service.type }}
+  {{- if .Values.st2stream.service.hostname }}
+  externalName: {{ .Values.st2stream.service.hostname }}
+  {{- end }}
+  {{- end }}
   ports:
   - protocol: TCP
     port: 9102

values.yaml

@@ -425,6 +425,14 @@ st2stream:
   affinity: {}
   env: {}
   # HTTP_PROXY: http://proxy:1234
+  service:
+    # type can be one of "ClusterIP", "NodePort", "LoadBalancer" or "ExternalName"
+    type: "ClusterIP"
+    # The hostname associated with st2api service (externalName, added to external DNS, etc.)
+    hostname: ""
+    # For more information regarding annotations, see
+    # https://kubernetes.io/docs/concepts/services-networking/service/#ssl-support-on-aws
+    annotations: {}
   serviceAccount:
     attach: false
   # postStartScript is optional. It has the contents of a bash script.