fix(mariadb): Wait for init (#2226)

* fix(mariadb): Wait for init

* check until..

* also on standalone app

* use correct host on init container

* single space

charts/dependency/mariadb/Chart.yaml

@@ -24,7 +24,7 @@ sources:
   - https://github.com/prometheus/mysqld_exporter
   - https://mariadb.org
 type: application
-version: 2.0.7
+version: 2.0.8
 annotations:
   truecharts.org/catagories: |
     - database

charts/dependency/mariadb/values.yaml

@@ -62,7 +62,7 @@ probes:
         command:
           - /bin/bash
           - -ec
-          - mysqladmin status -uroot -p"${MARIADB_ROOT_PASSWORD}"
+          - "until /opt/bitnami/scripts/mariadb/healthcheck.sh; do sleep 2; done"
 
   # -- Redainess probe configuration
   # @default -- See below
@@ -79,7 +79,7 @@ probes:
         command:
           - /bin/bash
           - -ec
-          - mysqladmin status -uroot -p"${MARIADB_ROOT_PASSWORD}"
+          - "until /opt/bitnami/scripts/mariadb/healthcheck.sh; do sleep 2; done"
   # -- Startup probe configuration
   # @default -- See below
   startup:
@@ -94,7 +94,7 @@ probes:
         command:
           - /bin/bash
           - -ec
-          - mysqladmin status -uroot -p"${MARIADB_ROOT_PASSWORD}"
+          - "until /opt/bitnami/scripts/mariadb/healthcheck.sh; do sleep 2; done"
 
 mariadbPassword: "testpass"
 mariadbUsername: "test"

charts/library/common/Chart.yaml

@@ -15,4 +15,4 @@ maintainers:
 name: common
 sources: null
 type: library
-version: 9.1.8
+version: 9.1.9

charts/library/common/templates/lib/controller/_pod.tpl

@@ -53,6 +53,7 @@ initContainers:
   {{-  include "common.controller.autopermissions" . | nindent 2 }}
   {{-  include "common.controller.hostpatch" . | nindent 2 }}
   {{-  include "common.dependencies.postgresql.init" . | nindent 2 }}
+  {{-  include "common.dependencies.mariadb.init" . | nindent 2 }}
   {{- if .Release.IsInstall }}
   {{- if .Values.installContainers }}
     {{- $installContainers := list }}

charts/library/common/templates/lib/dependencies/_mariadbInit.tpl

@@ -0,0 +1,34 @@
+{{/*
+This template ensures pods with postgresql dependency have a delayed start
+*/}}
+{{- define "common.dependencies.mariadb.init" -}}
+{{- $pghost := printf "%v-%v" .Release.Name "mariadb" }}
+{{- if .Values.mariadb.enabled }}
+- name: mariadb-init
+  image: "{{ .Values.mariadblImage.repository}}:{{ .Values.mariadblImage.tag }}"
+  env:
+  - name: MARIADB_HOST
+    valueFrom:
+      secretKeyRef:
+        name: mariadbcreds
+        key: plainhost
+  - name: MARIADB_ROOT_PASSWORD
+    valueFrom:
+      secretKeyRef:
+        name: mariadbcreds
+        key: mariadb-root-password
+  securityContext:
+    capabilities:
+      drop:
+        - ALL
+  resources:
+  {{- with .Values.resources }}
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+  command:
+    - "bash"
+    - "-ec"
+    - "until mysqladmin -uroot -h"${MARIADB_HOST}" -p"${MARIADB_ROOT_PASSWORD}" ping && mysqladmin -uroot -h"${MARIADB_HOST}" -p"${MARIADB_ROOT_PASSWORD}" status; do sleep 2; done"
+  imagePullPolicy: IfNotPresent
+{{- end }}
+{{- end -}}