try chatgpt provided chart for redis/keyDB

2025-12-04 12:10:03 +01:00
parent 5e6c2acb21
commit 0f61051eb1
11 changed files with 279 additions and 81 deletions
--- a/redis/templates/statefulset.yaml
+++ b/redis/templates/statefulset.yaml
@@ -0,0 +1,135 @@
+# -----------------------------------------------------------------------------
+# templates/statefulset.yaml
+# -----------------------------------------------------------------------------
+{{""}}
+apiVersion: apps/v1
+kind: StatefulSet
+metadata:
+  name: {{ include "keydb-custom.fullname" . }}
+  labels:
+    app: {{ include "keydb-custom.name" . }}
+spec:
+  serviceName: {{ include "keydb-custom.fullname" . }}-headless
+  replicas: {{ .Values.replicaCount }}
+  selector:
+    matchLabels:
+      app: {{ include "keydb-custom.name" . }}
+  template:
+    metadata:
+      labels:
+        app: {{ include "keydb-custom.name" . }}
+    spec:
+      {{- if .Values.nodeAffinity }}
+      affinity:
+        nodeAffinity: {{ toYaml .Values.nodeAffinity | nindent 8 }}
+      {{- end }}
+      {{- if .Values.podAntiAffinity.enabled }}
+      affinity:
+        podAntiAffinity:
+          requiredDuringSchedulingIgnoredDuringExecution:
+            - labelSelector:
+                matchExpressions:
+                  - key: "app"
+                    operator: In
+                    values:
+                      - {{ include "keydb-custom.name" . }}
+              topologyKey: "kubernetes.io/hostname"
+      {{- end }}
+      containers:
+        - name: keydb
+          image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
+          imagePullPolicy: {{ .Values.image.pullPolicy }}
+          ports:
+            - name: keydb
+              containerPort: {{ .Values.service.port }}
+          env:
+            - name: KEYDB_PASSWORD
+              valueFrom:
+                secretKeyRef:
+                  name: {{ include "keydb-custom.fullname" . }}-auth
+                  key: password
+            - name: KEYDB_CONF_FILE
+              value: "/etc/keydb/keydb.conf"
+          volumeMounts:
+            - name: keydb-conf
+              mountPath: /etc/keydb
+            - name: data
+              mountPath: /bitnami/keydb
+          resources:
+            {{ toYaml .Values.resources | nindent 12 }}
+          command:
+            - sh
+            - -c
+            - |
+              # Startup logic:
+              # - pod index 0 starts as master
+              # - pod index >0 will start and then configure REPLICAOF to master
+              POD_NAME=$(hostname)
+              # derive ordinal from pods named <release>-<ordinal>
+              ORDINAL=${POD_NAME##*-}
+              # start keydb-server in background to accept CONFIG/CLI commands
+              keydb-server /etc/keydb/keydb.conf &
+              sleep 1
+              if [ "${ORDINAL}" != "0" ]; then
+                # wait for master to be ready
+                MASTER_HOST={{ include "keydb-custom.fullname" . }}-0.{{ include "keydb-custom.fullname" . }}-headless
+                until nc -z ${MASTER_HOST} {{ .Values.service.port }}; do sleep 1; done
+                # configure replication (use CLI to set replicaof)
+                if [ -n "$KEYDB_PASSWORD" ]; then
+                  keydb-cli -a "$KEYDB_PASSWORD" REPLICAOF ${MASTER_HOST} {{ .Values.service.port }}
+                else
+                  keydb-cli REPLICAOF ${MASTER_HOST} {{ .Values.service.port }}
+                fi
+                echo "Configured replicaof ${MASTER_HOST}:{{ .Values.service.port }}"
+                # tail logs (block) to keep container running
+                wait
+              else
+                # master: block on server process
+                wait
+              fi
+          readinessProbe:
+            {{- if .Values.readinessProbe.enabled }}
+            exec:
+              command:
+                - sh
+                - -c
+                - |
+                  # quick PING check
+                  if [ -n "$KEYDB_PASSWORD" ]; then
+                    keydb-cli -a "$KEYDB_PASSWORD" PING > /dev/null 2>&1 && exit 0 || exit 1
+                  else
+                    keydb-cli PING > /dev/null 2>&1 && exit 0 || exit 1
+                  fi
+            initialDelaySeconds: {{ .Values.readinessProbe.initialDelaySeconds }}
+            periodSeconds: {{ .Values.readinessProbe.periodSeconds }}
+            timeoutSeconds: {{ .Values.readinessProbe.timeoutSeconds }}
+            {{- end }}
+          livenessProbe:
+            {{- if .Values.livenessProbe.enabled }}
+            exec:
+              command:
+                - sh
+                - -c
+                - |
+                  if [ -n "$KEYDB_PASSWORD" ]; then
+                    keydb-cli -a "$KEYDB_PASSWORD" PING > /dev/null 2>&1 && exit 0 || exit 1
+                  else
+                    keydb-cli PING > /dev/null 2>&1 && exit 0 || exit 1
+                  fi
+            initialDelaySeconds: {{ .Values.livenessProbe.initialDelaySeconds }}
+            periodSeconds: {{ .Values.livenessProbe.periodSeconds }}
+            timeoutSeconds: {{ .Values.livenessProbe.timeoutSeconds }}
+            {{- end }}
+      volumes:
+        - name: keydb-conf
+          configMap:
+            name: {{ include "keydb-custom.fullname" . }}-conf
+  volumeClaimTemplates:
+    - metadata:
+        name: data
+      spec:
+        accessModes: {{ toYaml .Values.persistence.accessModes | nindent 8 }}
+        resources:
+          requests:
+            storage: {{ .Values.persistence.size }}
+        storageClassName: "{{ .Values.persistence.storageClass }}"