feat(common): add mariadb support layer

charts/library/common/Chart.yaml

@@ -15,4 +15,4 @@ maintainers:
 name: common
 sources: null
 type: library
-version: 8.5.7
+version: 8.6.0

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 -}}

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 -}}

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: {}