ironic: allow extra containers for the conductor

Add the ability to specify init and running containers for the conductor
pods.

Change-Id: I88657a8d656f0ef5da56f75fca637ca6938f99d8
Signed-off-by: Doug Goldstein <cardoe@cardoe.com>

ironic/Chart.yaml

@@ -14,7 +14,7 @@ apiVersion: v1
 appVersion: v1.0.0
 description: OpenStack-Helm Ironic
 name: ironic
-version: 0.2.18
+version: 0.2.19
 home: https://docs.openstack.org/ironic/latest/
 icon: https://www.openstack.org/themes/openstack/images/project-mascots/Ironic/OpenStack_Project_Ironic_vertical.png
 sources:

ironic/templates/statefulset-conductor.yaml

@@ -161,6 +161,9 @@ spec:
               readOnly: true
             - name: pod-shared
               mountPath: /tmp/pod-shared
+{{- end }}
+        {{- with .Values.conductor.initContainers }}
+        {{- tpl (toYaml .) $ | nindent 8 }}
         {{- end }}
       containers:
         - name: ironic-conductor
@@ -250,6 +253,9 @@ spec:
             - name: pod-data
               mountPath: /var/lib/openstack-helm
 {{ if $mounts_ironic_conductor.volumeMounts }}{{ toYaml $mounts_ironic_conductor.volumeMounts | indent 12 }}{{ end }}
+{{- end }}
+        {{- with .Values.conductor.extraContainers }}
+        {{- tpl (toYaml .) $ | nindent 8 }}
         {{- end }}
       volumes:
         - name: pod-tmp

ironic/values.yaml

@@ -207,6 +207,12 @@ conf:
       datefmt: "%Y-%m-%d %H:%M:%S"
 
 conductor:
+  # -- Additional containers to add to the conductor pods
+  ## Note: Supports use of custom Helm templates
+  extraContainers: []
+  # -- Additional init containers to add to the conductor pods
+  ## Note: Supports use of custom Helm templates
+  initContainers: []
   http:
     enabled: true
     init_script: |

releasenotes/notes/ironic.yaml

@@ -22,4 +22,5 @@ ironic:
   - 0.2.16 Use quay.io/airshipit/kubernetes-entrypoint:latest-ubuntu_focal by default
   - 0.2.17 Allow overriding of hostNetwork and hostIPC for Ironic conductor
   - 0.2.18 Use service tokens
+  - 0.2.19 Allow extra containers for the conductor
 ...