From 408e562e4bdf9b794c69c19b7f827fa8500ce9a1 Mon Sep 17 00:00:00 2001
From: kjeld Schouten-Lebbing <kjeld@schouten-lebbing.nl>
Date: Mon, 15 Nov 2021 17:52:37 +0100
Subject: [PATCH] feat(common): add mariadb support layer

---
 charts/library/common/Chart.yaml              |  2 +-
 .../common/templates/lib/chart/_setup.tpl     |  3 ++
 .../lib/dependencies/_mariadbInjector.tpl     | 46 +++++++++++++++++++
 charts/library/common/values.yaml             |  8 ++++
 4 files changed, 58 insertions(+), 1 deletion(-)
 create mode 100644 charts/library/common/templates/lib/dependencies/_mariadbInjector.tpl

diff --git a/charts/library/common/Chart.yaml b/charts/library/common/Chart.yaml
index 584a18b7639..b08d9fd3a78 100644
--- a/charts/library/common/Chart.yaml
+++ b/charts/library/common/Chart.yaml
@@ -15,4 +15,4 @@ maintainers:
 name: common
 sources: null
 type: library
-version: 8.5.7
+version: 8.6.0
diff --git a/charts/library/common/templates/lib/chart/_setup.tpl b/charts/library/common/templates/lib/chart/_setup.tpl
index e0213f8e675..034bc9f03fe 100644
--- a/charts/library/common/templates/lib/chart/_setup.tpl
+++ b/charts/library/common/templates/lib/chart/_setup.tpl
@@ -7,4 +7,7 @@
 
 {{- /* Autogenerate redis passwords if needed */ -}}
 {{- include "common.dependencies.redis.injector" . }}
+
+{{- /* Autogenerate mariadb passwords if needed */ -}}
+{{- include "common.dependencies.mariadb.injector" . }}
 {{- end -}}
diff --git a/charts/library/common/templates/lib/dependencies/_mariadbInjector.tpl b/charts/library/common/templates/lib/dependencies/_mariadbInjector.tpl
new file mode 100644
index 00000000000..1f50b2cd46c
--- /dev/null
+++ b/charts/library/common/templates/lib/dependencies/_mariadbInjector.tpl
@@ -0,0 +1,46 @@
+{{/*
+This template generates a random password and ensures it persists across updates/edits to the chart
+*/}}
+{{- define "common.dependencies.mariadb.injector" -}}
+{{- $pghost := printf "%v-%v" .Release.Name "mariadb" }}
+
+{{- if .Values.mariadb.enabled }}
+---
+apiVersion: v1
+kind: Secret
+metadata:
+  labels:
+    {{- include "common.labels" . | nindent 4 }}
+  name: mariamariadbcreds
+{{- $dbprevious := lookup "v1" "Secret" .Release.Namespace "mariadbcreds" }}
+{{- $dbPass := "" }}
+{{- $rootPass := "" }}
+data:
+{{- if $dbprevious }}
+  {{- $dbPass = ( index $dbprevious.data "mariadb-password" ) | b64dec  }}
+  {{- $rootPass = ( index $dbprevious.data "mariadb-root-password" ) | b64dec  }}
+  mariadb-password: {{ ( index $dbprevious.data "mariadb-password" ) }}
+  mariadb-root-password: {{ ( index $dbprevious.data "mariadb-root-password" ) }}
+{{- else }}
+  {{- $dbPass = randAlphaNum 50 }}
+  {{- $rootPass = randAlphaNum 50 }}
+  mariadb-password: {{ $dbPass | b64enc | quote }}
+  mariadb-root-password: {{ $rootPass | b64enc | quote }}
+{{- end }}
+  url: {{ ( printf "sql://%v:%v@%v-mariadb:3306/%v" .Values.mariadb.mariadbUsername $dbPass .Release.Name .Values.mariadb.mariadbDatabase  ) | b64enc | quote }}
+  urlnossl: {{ ( printf "sql://%v:%v@%v-mariadb:3306/%v?sslmode=disable" .Values.mariadb.mariadbUsername $dbPass .Release.Name .Values.mariadb.mariadbDatabase  ) | b64enc | quote }}
+  plainporthost: {{ ( printf "%v-%v" .Release.Name "mariadb" ) | b64enc | quote }}
+  plainhost: {{ ( printf "%v-%v" .Release.Name "mariadb" ) | b64enc | quote }}
+  jdbc: {{ ( printf "jdbc:sqlserver://%v-mariadb:3306/%v" .Release.Name .Values.mariadb.mariadbDatabase  ) | b64enc | quote }}
+type: Opaque
+{{- $_ := set .Values.mariadb "mariadbPassword" ( $dbPass | quote ) }}
+{{- $_ := set .Values.mariadb "mariadbRootPassword" ( $rootPass | quote ) }}
+{{- $_ := set .Values.mariadb.url "plain" ( ( printf "%v-%v" .Release.Name "mariadb" ) | quote ) }}
+{{- $_ := set .Values.mariadb.url "plainhost" ( ( printf "%v-%v" .Release.Name "mariadb" ) | quote ) }}
+{{- $_ := set .Values.mariadb.url "plainport" ( ( printf "%v-%v:3306" .Release.Name "mariadb" ) | quote ) }}
+{{- $_ := set .Values.mariadb.url "plainporthost" ( ( printf "%v-%v:3306" .Release.Name "mariadb" ) | quote ) }}
+{{- $_ := set .Values.mariadb.url "complete" ( ( printf "sql://%v:%v@%v-mariadb:3306/%v" .Values.mariadb.mariadbUsername $dbPass .Release.Name .Values.mariadb.mariadbDatabase  ) | quote ) }}
+{{- $_ := set .Values.mariadb.url "jdbc" ( ( printf "jdbc:sqlserver://%v-mariadb:3306/%v" .Release.Name .Values.mariadb.mariadbDatabase  ) | quote ) }}
+
+{{- end }}
+{{- end -}}
diff --git a/charts/library/common/values.yaml b/charts/library/common/values.yaml
index 58a050e1e8c..ba07511fafd 100644
--- a/charts/library/common/values.yaml
+++ b/charts/library/common/values.yaml
@@ -954,3 +954,11 @@ redis:
   existingSecret: "rediscreds"
   # -- can be used to make an easy accessable note which URLS to use to access the DB.
   url: {}
+
+# -- mariadb dependency configuration
+# @default -- See below
+mariadb:
+  enabled: false
+  existingSecret: "mariadbcreds"
+  # -- can be used to make an easy accessable note which URLS to use to access the DB.
+  url: {}