Heat: Add volume over-rides

This PS brings Heat inline with Nova, Neutron and Keystone providing
a mechanism for appending additional volumes to the manifests as
required.

Change-Id: I17045d35ce5d3e7cfc654c1d962aabd8e6fc73f8

heat/templates/deployment-api.yaml

@@ -14,6 +14,8 @@
 
 {{- $envAll := . }}
 {{- $dependencies := .Values.dependencies.api }}
+{{- $mounts_heat_api := .Values.mounts.heat_api.heat_api }}
+{{- $mounts_heat_api_init := .Values.mounts.heat_api.init_container }}
 apiVersion: extensions/v1beta1
 kind: Deployment
 metadata:
@@ -26,7 +28,7 @@ spec:
         app: heat-api
       annotations:
         pod.beta.kubernetes.io/init-containers: '[
-{{ tuple $envAll $dependencies "[]" | include "helm-toolkit.kubernetes_entrypoint_init_container" | indent 10 }}
+{{ tuple $envAll $dependencies $mounts_heat_api_init | include "helm-toolkit.kubernetes_entrypoint_init_container" | indent 10 }}
         ]'
     spec:
       nodeSelector:
@@ -70,6 +72,7 @@ spec:
               mountPath: /etc/heat/policy.json
               subPath: policy.json
               readOnly: true
+{{ if $mounts_heat_api.volumeMounts }}{{ toYaml $mounts_heat_api.volumeMounts | indent 12 }}{{ end }}
       volumes:
         - name: pod-etc-heat
           emptyDir: {}
@@ -84,3 +87,4 @@ spec:
         - name: heatpolicy
           configMap:
             name: heat-etc
+{{ if $mounts_heat_api.volumes }}{{ toYaml $mounts_heat_api.volumes | indent 8 }}{{ end }}

heat/templates/deployment-cfn.yaml

@@ -14,6 +14,8 @@
 
 {{- $envAll := . }}
 {{- $dependencies := .Values.dependencies.cfn }}
+{{- $mounts_heat_cfn := .Values.mounts.heat_cfn.heat_cfn }}
+{{- $mounts_heat_cfn_init := .Values.mounts.heat_cfn.init_container }}
 apiVersion: extensions/v1beta1
 kind: Deployment
 metadata:
@@ -26,7 +28,7 @@ spec:
         app: heat-cfn
       annotations:
         pod.beta.kubernetes.io/init-containers: '[
-{{ tuple $envAll $dependencies "[]" | include "helm-toolkit.kubernetes_entrypoint_init_container" | indent 10 }}
+{{ tuple $envAll $dependencies $mounts_heat_cfn_init | include "helm-toolkit.kubernetes_entrypoint_init_container" | indent 10 }}
         ]'
     spec:
       nodeSelector:
@@ -70,6 +72,7 @@ spec:
               mountPath: /etc/heat/policy.json
               subPath: policy.json
               readOnly: true
+{{ if $mounts_heat_cfn.volumeMounts }}{{ toYaml $mounts_heat_cfn.volumeMounts | indent 12 }}{{ end }}
       volumes:
         - name: pod-etc-heat
           emptyDir: {}
@@ -84,3 +87,4 @@ spec:
         - name: heatpolicy
           configMap:
             name: heat-etc
+{{ if $mounts_heat_cfn.volumes }}{{ toYaml $mounts_heat_cfn.volumes | indent 8 }}{{ end }}

heat/templates/deployment-cloudwatch.yaml

@@ -14,6 +14,8 @@
 
 {{- $envAll := . }}
 {{- $dependencies := .Values.dependencies.cloudwatch }}
+{{- $mounts_heat_cloudwatch := .Values.mounts.heat_cloudwatch.heat_cloudwatch }}
+{{- $mounts_heat_cloudwatch_init := .Values.mounts.heat_cloudwatch.init_container }}
 apiVersion: extensions/v1beta1
 kind: Deployment
 metadata:
@@ -26,7 +28,7 @@ spec:
         app: heat-cloudwatch
       annotations:
         pod.beta.kubernetes.io/init-containers: '[
-{{ tuple $envAll $dependencies "[]" | include "helm-toolkit.kubernetes_entrypoint_init_container" | indent 10 }}
+{{ tuple $envAll $dependencies $mounts_heat_cloudwatch_init | include "helm-toolkit.kubernetes_entrypoint_init_container" | indent 10 }}
         ]'
     spec:
       nodeSelector:
@@ -70,6 +72,7 @@ spec:
               mountPath: /etc/heat/policy.json
               subPath: policy.json
               readOnly: true
+{{ if $mounts_heat_cloudwatch.volumeMounts }}{{ toYaml $mounts_heat_cloudwatch.volumeMounts | indent 12 }}{{ end }}
       volumes:
         - name: pod-etc-heat
           emptyDir: {}
@@ -84,3 +87,4 @@ spec:
         - name: heatpolicy
           configMap:
             name: heat-etc
+{{ if $mounts_heat_cloudwatch.volumes }}{{ toYaml $mounts_heat_cloudwatch.volumes | indent 8 }}{{ end }}

heat/templates/statefulset-engine.yaml

@@ -14,6 +14,8 @@
 
 {{- $envAll := . }}
 {{- $dependencies := .Values.dependencies.engine }}
+{{- $mounts_heat_engine := .Values.mounts.heat_engine.heat_engine }}
+{{- $mounts_heat_engine_init := .Values.mounts.heat_engine.init_container }}
 apiVersion: apps/v1beta1
 kind: StatefulSet
 metadata:
@@ -27,7 +29,7 @@ spec:
         app: heat-engine
       annotations:
         pod.beta.kubernetes.io/init-containers: '[
-{{ tuple $envAll $dependencies "[]" | include "helm-toolkit.kubernetes_entrypoint_init_container" | indent 10 }}
+{{ tuple $envAll $dependencies $mounts_heat_engine_init | include "helm-toolkit.kubernetes_entrypoint_init_container" | indent 10 }}
         ]'
     spec:
       nodeSelector:
@@ -62,6 +64,7 @@ spec:
               mountPath: /etc/heat/policy.json
               subPath: policy.json
               readOnly: true
+{{ if $mounts_heat_engine.volumeMounts }}{{ toYaml $mounts_heat_engine.volumeMounts | indent 12 }}{{ end }}
       volumes:
         - name: pod-etc-heat
           emptyDir: {}
@@ -73,3 +76,4 @@ spec:
         - name: heatpolicy
           configMap:
             name: heat-etc
+{{ if $mounts_heat_engine.volumes }}{{ toYaml $mounts_heat_engine.volumes | indent 8 }}{{ end }}

heat/values.yaml

@@ -349,3 +349,17 @@ resources:
     limits:
       memory: "1024Mi"
       cpu: "2000m"
+
+mounts:
+  heat_api:
+    init_container: null
+    heat_api:
+  heat_cfn:
+    init_container: null
+    heat_cfn:
+  heat_cloudwatch:
+    init_container: null
+    heat_cloudwatch:
+  heat_engine:
+    init_container: null
+    heat_engine: