Add configurations for helm/tiller sql storage backend

This adds two parameters to the armada and tiller charts
to allow to configure sql storage backend [0].

[0]: https://v2.helm.sh/docs/install/#sql-storage-backend

Change-Id: Iba621c4ebcb0e34d514358ac5970697e2215166c
Signed-off-by: Angie Wang <angie.wang@windriver.com>

charts/armada/templates/deployment-api.yaml

@@ -170,6 +170,10 @@ spec:
             - /tiller
 {{- if .Values.conf.tiller.storage }}
             - --storage={{ .Values.conf.tiller.storage }}
+{{- if and (eq .Values.conf.tiller.storage "sql") (.Values.conf.tiller.sql_dialect) (.Values.conf.tiller.sql_connection) }}
+            - --sql-dialect={{ .Values.conf.tiller.sql_dialect }}
+            - --sql-connection-string={{ .Values.conf.tiller.sql_connection }}
+{{- end }}
 {{- end }}
             - -listen
             - ":{{ .Values.conf.tiller.port }}"

charts/armada/values.yaml

@@ -211,6 +211,9 @@ conf:
     verbosity: 5
     trace: false
     storage: null
+    # Only postgres is supported so far
+    sql_dialect: postgres
+    sql_connection: null
     namespace: kube-system
     # Limit the maximum number of revisions saved per release. 0 for no limit.
     history_max: 0

charts/tiller/templates/deployment-tiller.yaml

@@ -98,6 +98,10 @@ spec:
             - /tiller
 {{- if .Values.conf.tiller.storage }}
             - --storage={{ .Values.conf.tiller.storage }}
+{{- if and (eq .Values.conf.tiller.storage "sql") (.Values.conf.tiller.sql_dialect) (.Values.conf.tiller.sql_connection) }}
+            - --sql-dialect={{ .Values.conf.tiller.sql_dialect }}
+            - --sql-connection-string={{ .Values.conf.tiller.sql_connection }}
+{{- end }}
 {{- end }}
             - -listen
             - ":{{ .Values.conf.tiller.port }}"

charts/tiller/values.yaml

@@ -45,6 +45,9 @@ conf:
   tiller:
     verbosity: 5
     storage: null
+    # Only postgres is supported so far
+    sql_dialect: postgres
+    sql_connection: null
     trace: false
     # Note: Defaulting to the (default) kubernetes grace period, as anything
     # greater than that will have no effect.