cinder: unhardcode readiness/liveness probe params

This patch adds ability to set readiness and liveness probes parameters
of cinder-api via chart values instead of having them hardcoded in the
deployment manifest.

Change-Id: I7b9abda6424096484fe23f7240c3777b5e82d86a

cinder/templates/deployment-api.yaml

@@ -12,6 +12,20 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */}}
 
+{{- define "cinderApiLivenessProbeTemplate" }}
+httpGet:
+  scheme: {{ tuple "volume" "service" "api" . | include "helm-toolkit.endpoints.keystone_endpoint_scheme_lookup" | upper }}
+  path: {{ tuple "volume" "healthcheck" "internal" . | include "helm-toolkit.endpoints.keystone_endpoint_path_lookup" }}
+  port: {{ tuple "volume" "service" "api" . | include "helm-toolkit.endpoints.endpoint_port_lookup" }}
+{{- end }}
+
+{{- define "cinderApiReadinessProbeTemplate" }}
+httpGet:
+  scheme: {{ tuple "volume" "service" "api" . | include "helm-toolkit.endpoints.keystone_endpoint_scheme_lookup" | upper }}
+  path: {{ tuple "volume" "healthcheck" "internal" . | include "helm-toolkit.endpoints.keystone_endpoint_path_lookup" }}
+  port: {{ tuple "volume" "service" "api" . | include "helm-toolkit.endpoints.endpoint_port_lookup" }}
+{{- end }}
+
 {{- if .Values.manifests.deployment_api }}
 {{- $envAll := . }}
 
@@ -97,22 +111,8 @@ spec:
           ports:
             - name: c-api
               containerPort: {{ tuple "volume" "service" "api" . | include "helm-toolkit.endpoints.endpoint_port_lookup" }}
-          readinessProbe:
+{{ dict "envAll" $envAll "component" "api" "container" "cinder-api" "type" "readiness" "probeTemplate" (include "cinderApiReadinessProbeTemplate" $envAll | fromYaml) | include "helm-toolkit.snippets.kubernetes_probe" | indent 10 }}
-            httpGet:
+{{ dict "envAll" $envAll "component" "api" "container" "cinder-api" "type" "liveness" "probeTemplate" (include "cinderApiLivenessProbeTemplate" $envAll | fromYaml) | include "helm-toolkit.snippets.kubernetes_probe" | indent 10 }}
-              scheme: {{ tuple "volume" "service" "api" . | include "helm-toolkit.endpoints.keystone_endpoint_scheme_lookup" | upper }}
-              path: /
-              port: {{ tuple "volume" "service" "api" . | include "helm-toolkit.endpoints.endpoint_port_lookup" }}
-            initialDelaySeconds: 30
-          livenessProbe:
-            httpGet:
-              scheme: {{ tuple "volume" "service" "api" . | include "helm-toolkit.endpoints.keystone_endpoint_scheme_lookup" | upper }}
-              path: /
-              port: {{ tuple "volume" "service" "api" . | include "helm-toolkit.endpoints.endpoint_port_lookup" }}
-            initialDelaySeconds: 5
-            failureThreshold: 3
-            periodSeconds: 10
-            successThreshold: 1
-            timeoutSeconds: 1
           volumeMounts:
             - name: pod-tmp
               mountPath: /tmp

cinder/values.yaml

@@ -76,6 +76,21 @@ jobs:
       failed: 1
 
 pod:
+  probes:
+    api:
+      cinder-api:
+        liveness:
+          enabled: True
+          params:
+            initialDelaySeconds: 5
+            periodSeconds: 10
+            timeoutSeconds: 1
+            failureThreshold: 3
+            successThreshold: 1
+        readiness:
+          enabled: True
+          params:
+            initialDelaySeconds: 30
   security_context:
     volume_usage_audit:
       pod:
@@ -437,6 +452,7 @@ conf:
     composite:osapi_volume:
       use: call:cinder.api:root_app_factory
       /: apiversions
+      /healthcheck: healthcheck
       /v1: openstack_volume_api_v1
       /v2: openstack_volume_api_v2
       /v3: openstack_volume_api_v3
@@ -476,6 +492,10 @@ conf:
       paste.app_factory: cinder.api.v2.router:APIRouter.factory
     app:apiv3:
       paste.app_factory: cinder.api.v3.router:APIRouter.factory
+    app:healthcheck:
+      paste.app_factory: oslo_middleware:Healthcheck.app_factory
+      backends: disable_by_file
+      disable_by_file_path: /etc/cinder/healthcheck_disable
     pipeline:apiversions:
       pipeline: cors http_proxy_to_wsgi faultwrap osvolumeversionapp
     app:osvolumeversionapp:
@@ -1304,6 +1324,7 @@ endpoints:
       #     key: null
     path:
       default: '/v1/%(tenant_id)s'
+      healthcheck: /healthcheck
     scheme:
       default: 'http'
     port:
@@ -1326,6 +1347,7 @@ endpoints:
       #     key: null
     path:
       default: '/v2/%(tenant_id)s'
+      healthcheck: /healthcheck
     scheme:
       default: 'http'
     port:
@@ -1348,6 +1370,7 @@ endpoints:
       #     key: null
     path:
       default: '/v3/%(tenant_id)s'
+      healthcheck: /healthcheck
     scheme:
       default: 'http'
     port:

releasenotes/notes/cinder-a530fe90112c74d1.yaml

@@ -0,0 +1,5 @@
+---
+cinder:
+  - |
+    Unhardcode readiness/liveness probe parameters for cinder-api
+...