feat: install dragonfly (#869)

Updates #670

kubernetes/main/apps/database/dragonfly/app/helmrelease.yaml

@@ -0,0 +1,105 @@
+---
+# yaml-language-server: $schema=https://raw.githubusercontent.com/bjw-s/helm-charts/main/charts/other/app-template/schemas/helmrelease-helm-v2.schema.json
+apiVersion: helm.toolkit.fluxcd.io/v2
+kind: HelmRelease
+metadata:
+  name: &app dragonfly-operator
+spec:
+  interval: 2h
+  chart:
+    spec:
+      chart: app-template
+      version: 3.2.1
+      sourceRef:
+        kind: HelmRepository
+        name: bjw-s
+        namespace: flux-system
+  install:
+    remediation:
+      retries: 3
+  upgrade:
+    cleanupOnFail: true
+    remediation:
+      strategy: rollback
+      retries: 3
+  values:
+    controllers:
+      dragonfly-operator:
+        strategy: RollingUpdate
+        containers:
+          app:
+            image:
+              repository: ghcr.io/dragonflydb/operator
+              tag: v1.1.2@sha256:f0d76725950095ac65b36252e0042d339d1db9b181b1d068f4b6686ea93055e4
+            command: ["/manager"]
+            args:
+              - --health-probe-bind-address=:8081
+              - --metrics-bind-address=:8080
+            probes:
+              liveness:
+                enabled: true
+                custom: true
+                spec:
+                  httpGet:
+                    path: /healthz
+                    port: &port 8081
+                  initialDelaySeconds: 15
+                  periodSeconds: 20
+                  timeoutSeconds: 1
+                  failureThreshold: 3
+              readiness:
+                enabled: true
+                custom: true
+                spec:
+                  httpGet:
+                    path: /readyz
+                    port: *port
+                  initialDelaySeconds: 5
+                  periodSeconds: 10
+                  timeoutSeconds: 1
+                  failureThreshold: 3
+            resources:
+              requests:
+                cpu: 10m
+              limits:
+                memory: 128Mi
+            securityContext:
+              allowPrivilegeEscalation: false
+              readOnlyRootFilesystem: true
+              capabilities:
+                drop:
+                  - ALL
+    defaultPodOptions:
+      securityContext:
+        runAsNonRoot: true
+        runAsUser: 65534
+        runAsGroup: 65534
+        seccompProfile:
+          type: RuntimeDefault
+      topologySpreadConstraints:
+        - maxSkew: 1
+          topologyKey: kubernetes.io/hostname
+          whenUnsatisfiable: DoNotSchedule
+          labelSelector:
+            matchLabels:
+              app.kubernetes.io/name: *app
+    service:
+      app:
+        controller: *app
+        ports:
+          http:
+            port: *port
+          metrics:
+            port: 8080
+    serviceMonitor:
+      app:
+        serviceName: *app
+        endpoints:
+          - port: metrics
+            scheme: http
+            path: /metrics
+            interval: 1m
+            scrapeTimeout: 10s
+    serviceAccount:
+      create: true
+      name: *app

kubernetes/main/apps/database/dragonfly/app/kustomization.yaml

@@ -0,0 +1,9 @@
+---
+# yaml-language-server: $schema=https://json.schemastore.org/kustomization
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+resources:
+  # renovate: datasource=github-releases depName=dragonflydb/dragonfly-operator
+  - https://raw.githubusercontent.com/dragonflydb/dragonfly-operator/v1.1.2/manifests/crd.yaml
+  - ./helmrelease.yaml
+  - ./rbac.yaml

kubernetes/main/apps/database/dragonfly/app/rbac.yaml

@@ -0,0 +1,40 @@
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  name: dragonfly-operator
+rules:
+  - apiGroups: ["coordination.k8s.io"]
+    resources: ["leases"]
+    verbs: ["get", "list", "watch", "create", "update", "patch", "delete"]
+  - apiGroups: [""]
+    resources: ["events"]
+    verbs: ["create", "patch"]
+  - apiGroups: [""]
+    resources: ["pods", "services"]
+    verbs: ["create", "delete", "get", "list", "patch", "update", "watch"]
+  - apiGroups: ["apps"]
+    resources: ["statefulsets"]
+    verbs: ["create", "delete", "get", "list", "patch", "update", "watch"]
+  - apiGroups: ["dragonflydb.io"]
+    resources: ["dragonflies"]
+    verbs: ["create", "delete", "get", "list", "patch", "update", "watch"]
+  - apiGroups: ["dragonflydb.io"]
+    resources: ["dragonflies/finalizers"]
+    verbs: ["update"]
+  - apiGroups: ["dragonflydb.io"]
+    resources: ["dragonflies/status"]
+    verbs: ["get", "patch", "update"]
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  name: dragonfly-operator
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: dragonfly-operator
+subjects:
+  - kind: ServiceAccount
+    name: dragonfly-operator
+    namespace: database

kubernetes/main/apps/database/dragonfly/cluster/cluster.yaml

@@ -0,0 +1,32 @@
+---
+# yaml-language-server: $schema=https://kubernetes-schemas.18b.haus/dragonflydb.io/dragonfly_v1alpha1.json
+apiVersion: dragonflydb.io/v1alpha1
+kind: Dragonfly
+metadata:
+  name: dragonfly
+spec:
+  image: ghcr.io/dragonflydb/dragonfly:v1.18.1
+  replicas: 3
+  env:
+    - name: MAX_MEMORY
+      valueFrom:
+        resourceFieldRef:
+          resource: limits.memory
+          divisor: 1Mi
+  args:
+    - --maxmemory=$(MAX_MEMORY)Mi
+    - --proactor_threads=2
+    - --cluster_mode=emulated
+    - --lock_on_hashtags
+  topologySpreadConstraints:
+    - maxSkew: 1
+      topologyKey: kubernetes.io/hostname
+      whenUnsatisfiable: DoNotSchedule
+      labelSelector:
+        matchLabels:
+          app.kubernetes.io/part-of: dragonfly
+  resources:
+    requests:
+      cpu: 100m
+    limits:
+      memory: 512Mi

kubernetes/main/apps/database/dragonfly/cluster/kustomization.yaml

@@ -0,0 +1,7 @@
+---
+# yaml-language-server: $schema=https://json.schemastore.org/kustomization
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+resources:
+  - ./cluster.yaml
+  - ./podmonitor.yaml

kubernetes/main/apps/database/dragonfly/cluster/podmonitor.yaml

@@ -0,0 +1,14 @@
+---
+# yaml-language-server: $schema=https://kubernetes-schemas.18b.haus/monitoring.coreos.com/podmonitor_v1.json
+apiVersion: monitoring.coreos.com/v1
+kind: PodMonitor
+metadata:
+  name: dragonfly
+spec:
+  selector:
+    matchLabels:
+      app: dragonfly
+  podTargetLabels:
+    - app
+  podMetricsEndpoints:
+    - port: admin

kubernetes/main/apps/database/dragonfly/ks.yaml

@@ -0,0 +1,44 @@
+---
+# yaml-language-server: $schema=https://kubernetes-schemas.18b.haus/kustomize.toolkit.fluxcd.io/kustomization_v1.json
+apiVersion: kustomize.toolkit.fluxcd.io/v1
+kind: Kustomization
+metadata:
+  name: &app dragonfly
+  namespace: flux-system
+spec:
+  targetNamespace: database
+  commonMetadata:
+    labels:
+      app.kubernetes.io/name: *app
+  path: ./kubernetes/main/apps/database/dragonfly/app
+  prune: true
+  sourceRef:
+    kind: GitRepository
+    name: home-kubernetes
+  wait: true
+  interval: 2h
+  retryInterval: 1m
+  timeout: 5m
+---
+# yaml-language-server: $schema=https://kubernetes-schemas.18b.haus/kustomize.toolkit.fluxcd.io/kustomization_v1.json
+apiVersion: kustomize.toolkit.fluxcd.io/v1
+kind: Kustomization
+metadata:
+  name: &app dragonfly-cluster
+  namespace: flux-system
+spec:
+  targetNamespace: database
+  commonMetadata:
+    labels:
+      app.kubernetes.io/name: *app
+  dependsOn:
+    - name: dragonfly
+  path: ./kubernetes/main/apps/database/dragonfly/cluster
+  prune: true
+  sourceRef:
+    kind: GitRepository
+    name: home-kubernetes
+  wait: true
+  interval: 2h
+  retryInterval: 1m
+  timeout: 5m

kubernetes/main/apps/database/kustomization.yaml

@@ -5,4 +5,5 @@ kind: Kustomization
 resources:
   - ./namespace.yaml
   - ./cloudnative-pg/ks.yaml
+  - ./dragonfly/ks.yaml
   - ./pgadmin/ks.yaml