[proxysql-cluster] Change suggestion to work more as normal charts

.github/workflows/helmrelease.yaml

@@ -0,0 +1,34 @@
+name: Release Charts
+
+on:
+  push:
+    branches:
+      - cfg-template
+    paths:
+      - "helm/**"
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - name: Configure Git
+        run: |
+          git config user.name "$GITHUB_ACTOR"
+          git config user.email "$GITHUB_ACTOR@users.noreply.github.com"
+
+      - name: Install Helm
+        uses: azure/setup-helm@v2.0
+        with:
+          version: v3.7.1
+
+      - name: Run chart-releaser
+        uses: helm/chart-releaser-action@v1.3.0
+        with:
+          charts_dir: helm
+        env:
+          CR_TOKEN: "${{ secrets.GITHUB_TOKEN }}"

proxysql-sidecar-cascade/Chart.yaml → helm/proxysql-cluster/Chart.yaml

@@ -2,4 +2,4 @@ apiVersion: v1
 appVersion: "1.0"
 description: A Helm chart to deploy ProxySQL on Kubernetes
 name: proxysql
-version: 0.1.0
+version: 0.2.1

helm/proxysql-cluster/files/cleanlogs.bash

@@ -0,0 +1,16 @@
+#!/bin/bash
+set -e
+
+TAIL_CMD=$(($KEEP_FILES+1))
+
+cd $DIR
+
+while true
+do
+    ls -tp | grep -v '/$' | tail -n +$TAIL_CMD | while read line
+    do
+        echo "Removing file $line"
+        rm $line
+    done
+    sleep 5
+done

proxysql-sidecar-cascade/files/probe-proxysql.bash → helm/proxysql-cluster/files/probe-proxysql.bash

@@ -2,7 +2,7 @@
 set -e
 
 mbin="/usr/bin/mysql"
-lcon="-h127.0.0.1 -P6032 -uadmin -padmin"
+lcon="-h127.0.0.1 -P6032 -u$ADMIN_USER -p$ADMIN_PASSWORD"
 opts="-NB"
 
 hg0_avail=$($mbin $lcon $opts -e"select count(*) from runtime_mysql_servers where hostgroup_id = 0")

proxysql-sidecar-cascade/templates/_helpers.tpl → helm/proxysql-cluster/templates/_helpers.tpl

@@ -43,3 +43,24 @@ app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
 {{- end }}
 app.kubernetes.io/managed-by: {{ .Release.Service }}
 {{- end -}}
+
+{{- define "proxysql.pwd" -}}
+{{- if not .password }}
+{{- $_ := set . "password" (randAlphaNum 20)  }}
+{{- end -}}
+{{ .password }}
+{{- end -}}
+
+{{- define "proxysql.cfgmapdump" -}}
+{{ range $key, $val := . -}}
+{{ $key }}={{ $val }}
+{{ end -}}
+{{- end -}}
+
+{{- define "proxysql.cfglistdump" -}}
+{{- range $idx, $val := . -}}
+{
+  {{ include "proxysql.cfgmapdump" $val | nindent 2 }}
+},
+{{ end -}}
+{{- end -}}

helm/proxysql-cluster/templates/configmap.yaml

@@ -0,0 +1,13 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ include "proxysql.fullname" . }}-cm
+  labels:
+    {{- include "proxysql.labels" . | nindent 4 }}
+data:
+  probe-proxysql.bash: |
+{{ tpl (.Files.Get "files/probe-proxysql.bash") . | indent 4 }}
+  {{- if and .Values.eventsLog.enabled .Values.eventsLog.logrotate.enabled }}
+  cleanlogs.bash: |
+{{ tpl (.Files.Get "files/cleanlogs.bash") . | indent 4 }}
+  {{- end }}

helm/proxysql-cluster/templates/deployment.yaml

@@ -0,0 +1,131 @@
+{{- $root := . }}
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ include "proxysql.fullname" . }}
+  labels:
+{{ include "proxysql.labels" . | indent 4 }}
+spec:
+  replicas: {{ .Values.replicaCount }}
+  selector:
+    matchLabels:
+      app.kubernetes.io/name: {{ include "proxysql.name" . }}
+      app.kubernetes.io/instance: {{ .Release.Name }}
+  template:
+    metadata:
+      labels:
+        {{ include "proxysql.labels" . | nindent 8 }}
+      annotations:
+        checksum/secret: {{ include (print $.Template.BasePath "/secret.yaml") . | sha256sum }}
+    spec:
+    {{- with .Values.imagePullSecrets }}
+      imagePullSecrets:
+        {{- toYaml . | nindent 8 }}
+    {{- end }}
+    {{- if .Values.securityContext.enabled }}
+      securityContext:
+        fsGroup: {{ .Values.securityContext.fsGroup }}
+        runAsUser: {{ .Values.securityContext.runAsUser }}
+    {{- end }}
+      containers:
+        - name: {{ .Chart.Name }}
+          image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
+          imagePullPolicy: {{ .Values.image.pullPolicy }}
+          ports:
+            - name: proxysql
+              containerPort: 6033
+              protocol: TCP
+            - name: admin
+              containerPort: 6032
+              protocol: TCP
+          volumeMounts:
+            - name: script-config
+              mountPath: /usr/local/bin/probe-proxysql.bash
+              subPath: probe-proxysql.bash
+              readOnly: true
+            - name: proxy-config
+              mountPath: /etc/proxysql.cnf
+              subPath: proxysql.cnf
+              readOnly: true
+            - name: datadir
+              mountPath: {{ .Values.config.datadir }}
+            {{- if .Values.eventsLog.enabled }}
+            - name: eventslog
+              mountPath: {{ .Values.eventsLog.directory }}
+            {{- end }}
+          env:
+              {{- range $index, $envName := .Values.secretEnvs }}
+              - name: {{ $envName }}
+                valueFrom:
+                  secretKeyRef:
+                    name: {{ include "proxysql.fullname" $root }}-secret
+                    key: {{ $envName }}
+              {{- end }}
+          livenessProbe:
+            exec:
+              command: ["/bin/bash","/usr/local/bin/probe-proxysql.bash"]
+          readinessProbe:
+            exec:
+              command: ["/bin/bash","/usr/local/bin/probe-proxysql.bash"]
+          resources:
+            {{- toYaml .Values.resources | nindent 12 }}
+        {{- if and .Values.eventsLog.enabled .Values.eventsLog.tailer.enabled }}
+        - name: "eventslog"
+          image: "{{ .Values.eventsLog.tailer.image.repository }}:{{ .Values.eventsLog.tailer.image.tag }}"
+          imagePullPolicy: "{{ .Values.eventsLog.tailer.image.pullPolicy }}"
+          command:
+            - "xtail"
+            - "/logs/"
+          resources:
+            {{- toYaml .Values.eventsLog.tailer.resources | nindent 12 }}
+          volumeMounts:
+          - name: eventslog
+            mountPath: /logs
+        {{- end }}
+        {{- if and .Values.eventsLog.enabled .Values.eventsLog.logrotate.enabled }}
+        - name: "logrotate"
+          image: "{{ .Values.eventsLog.logrotate.image.repository }}:{{ .Values.eventsLog.logrotate.image.tag }}"
+          imagePullPolicy: "{{ .Values.eventsLog.logrotate.image.pullPolicy }}"
+          env:
+          - name: DIR
+            value: /logs
+          - name: KEEP_FILES
+            value: {{ .Values.eventsLog.logrotate.copies | quote }}
+          command:
+            - /bin/sh
+            - /script/cleanlogs.bash
+          resources:
+            {{- toYaml .Values.eventsLog.logrotate.resources | nindent 12 }}
+          volumeMounts:
+          - name: eventslog
+            mountPath: /logs
+          - name: script-config
+            mountPath: /script/cleanlogs.bash
+            subPath: cleanlogs.bash
+            readOnly: true
+        {{- end }}
+    {{- with .Values.nodeSelector }}
+      nodeSelector:
+        {{- toYaml . | nindent 8 }}
+    {{- end }}
+    {{- with .Values.affinity }}
+      affinity:
+        {{- toYaml . | nindent 8 }}
+    {{- end }}
+    {{- with .Values.tolerations }}
+      tolerations:
+        {{- toYaml . | nindent 8 }}
+    {{- end }}
+      volumes:
+        - name: script-config
+          configMap:
+            name: {{ include "proxysql.fullname" . }}-cm
+        - name: proxy-config
+          secret:
+            secretName: {{ include "proxysql.fullname" . }}-secret
+        - name: datadir
+          emptyDir: {}
+        {{- if .Values.eventsLog.enabled }}
+        - name: eventslog
+          emptyDir: {}
+        {{- end }}

helm/proxysql-cluster/templates/pdb.yaml

@@ -0,0 +1,14 @@
+{{- if .Values.podDisruptionBudget -}}
+apiVersion: policy/v1
+kind: PodDisruptionBudget
+metadata:
+  name: {{ include "proxysql.fullname" . }}
+  labels:
+    {{- include "proxysql.labels" . | nindent 4 }}
+spec:
+  selector:
+    matchLabels:
+      app.kubernetes.io/name: {{ include "proxysql.name" . }}
+      app.kubernetes.io/instance: {{ .Release.Name }}
+  {{ toYaml .Values.podDisruptionBudget | nindent 2 }}
+{{- end -}}

helm/proxysql-cluster/templates/secret.yaml

@@ -0,0 +1,13 @@
+apiVersion: v1
+kind: Secret
+metadata:
+  name: {{ include "proxysql.fullname" . }}-secret
+  labels:
+    {{- include "proxysql.labels" . | nindent 4 }}
+stringData:
+  proxysql.cnf: |
+    {{- tpl .Values.config.template . | nindent 4 }}
+  ADMIN_PASSWORD: {{ include "proxysql.pwd" .Values.credentials.admin }}
+  ADMIN_USER: {{ .Values.credentials.admin.user }}
+  RADMIN_PASSWORD: {{ include "proxysql.pwd" .Values.credentials.radmin }}
+  RADMIN_USER: {{ .Values.credentials.radmin.user }}