Armada: add configurations for helm sql storage backend

Configmap is the default helmv2 storage backend to store
release information but its 1MB resource limit prevents
scaling up stx openstack workers, so we want to use sql
as helm storage backend.

Update armada chart to support sql storage backend
configuration for helm/tiller.

Upstream review: https://review.opendev.org/#/c/759899/

Partial-Bug: 1887677
Change-Id: Ifcb7f28e99413be5a0dbfddf684ca064866860f5
Signed-off-by: Angie Wang <angie.wang@windriver.com>

kubernetes/armada/centos/armada.spec

@@ -16,6 +16,7 @@ URL:            https://airship-armada.readthedocs.io/
 Source0:        %{name}-%{git_sha}.tar.gz
 
 Patch1:         0001-Add-Helm-v2-client-initialization-using-tiller-postS.patch
+Patch2:         0002-Add-configurations-for-Helm-SQL-storage-backend.patch
 
 BuildArch:      noarch
 
@@ -29,6 +30,7 @@ BuildRequires: chartmuseum
 %prep
 %setup -n armada
 %patch1 -p1
+%patch2 -p1
 
 
 %build

kubernetes/armada/centos/files/0002-Add-configurations-for-Helm-SQL-storage-backend.patch

@@ -0,0 +1,41 @@
+From fa1ab71ca74d7b77cac6228ae6ab8d8d310e997e Mon Sep 17 00:00:00 2001
+From: Angie Wang <angie.wang@windriver.com>
+Date: Mon, 28 Sep 2020 11:19:46 -0400
+Subject: [PATCH 1/1] Add configurations for Helm SQL storage backend
+
+---
+ charts/armada/templates/deployment-api.yaml | 4 ++++
+ charts/armada/values.yaml                   | 2 ++
+ 2 files changed, 6 insertions(+)
+
+diff --git a/charts/armada/templates/deployment-api.yaml b/charts/armada/templates/deployment-api.yaml
+index ccbdb4d..eca4543 100644
+--- a/charts/armada/templates/deployment-api.yaml
++++ b/charts/armada/templates/deployment-api.yaml
+@@ -167,6 +167,10 @@ 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 }}"
+diff --git a/charts/armada/values.yaml b/charts/armada/values.yaml
+index fb3e5c2..5a61c96 100644
+--- a/charts/armada/values.yaml
++++ b/charts/armada/values.yaml
+@@ -211,6 +211,8 @@ conf:
+     verbosity: 5
+     trace: false
+     storage: null
++    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
+-- 
+1.8.3.1
+