2 files changed, 213 insertions(+), 0 deletions(-)

A addons/coredns.yaml
M clusters/egloga/flux-system/sync.yaml

@@ 0,0 1,200 @@
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: coredns
+  namespace: kube-system
+  labels:
+    k8s-app: kube-dns
+spec:
+  replicas: 2
+  strategy:
+    type: RollingUpdate
+    rollingUpdate:
+      maxUnavailable: 1
+  selector:
+    matchLabels:
+      k8s-app: kube-dns
+  template:
+    metadata:
+      labels:
+        k8s-app: kube-dns
+    spec:
+      priorityClassName: system-cluster-critical
+      serviceAccountName: coredns
+      affinity:
+        podAntiAffinity:
+          preferredDuringSchedulingIgnoredDuringExecution:
+          - weight: 100
+            podAffinityTerm:
+              labelSelector:
+                matchExpressions:
+                - key: k8s-app
+                  operator: In
+                  values: ["kube-dns"]
+              topologyKey: kubernetes.io/hostname
+      tolerations:
+      - key: CriticalAddonsOnly
+        operator: Exists
+      - key: node-role.kubernetes.io/control-plane
+        effect: NoSchedule
+      nodeSelector:
+        kubernetes.io/os: linux
+      containers:
+      - name: coredns
+        image: registry.k8s.io/coredns/coredns:v1.11.3
+        imagePullPolicy: IfNotPresent
+        resources:
+          limits:
+            memory: 170Mi
+          requests:
+            cpu: 100m
+            memory: 70Mi
+        args: [ "-conf", "/etc/coredns/Corefile" ]
+        volumeMounts:
+        - name: config-volume
+          mountPath: /etc/coredns
+          readOnly: true
+        ports:
+        - containerPort: 53
+          name: dns
+          protocol: UDP
+        - containerPort: 53
+          name: dns-tcp
+          protocol: TCP
+        - containerPort: 9153
+          name: metrics
+          protocol: TCP
+        livenessProbe:
+          httpGet:
+            path: /health
+            port: 8080
+            scheme: HTTP
+          initialDelaySeconds: 60
+          timeoutSeconds: 5
+          successThreshold: 1
+          failureThreshold: 5
+        readinessProbe:
+          httpGet:
+            path: /ready
+            port: 8181
+            scheme: HTTP
+        securityContext:
+          allowPrivilegeEscalation: false
+          capabilities:
+            add:
+            - NET_BIND_SERVICE
+            drop:
+            - ALL
+          readOnlyRootFilesystem: true
+      dnsPolicy: Default
+      volumes:
+        - name: config-volume
+          configMap:
+            name: coredns
+            items:
+            - key: Corefile
+              path: Corefile
+---
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: coredns
+  namespace: kube-system
+data:
+  Corefile: |
+    .:53 {
+        errors
+        health {
+           lameduck 5s
+        }
+        ready
+        kubernetes cluster.local in-addr.arpa ip6.arpa {
+           pods insecure
+           fallthrough in-addr.arpa ip6.arpa
+           ttl 30
+        }
+        prometheus :9153
+        forward . /etc/resolv.conf {
+           max_concurrent 1000
+        }
+        cache 30
+        loop
+        reload
+        loadbalance
+    }
+---
+apiVersion: v1
+kind: Service
+metadata:
+  labels:
+    k8s-app: kube-dns
+    kubernetes.io/cluster-service: "true"
+    kubernetes.io/name: "CoreDNS"
+  name: kube-dns
+  namespace: kube-system
+  annotations:
+    prometheus.io/port: "9153"
+    prometheus.io/scrape: "true"
+  # Without this resourceVersion value, an update of the Service between versions will yield:
+  #   Service "kube-dns" is invalid: metadata.resourceVersion: Invalid value: "": must be specified for an update
+  resourceVersion: "0"
+spec:
+  clusterIP: 10.96.0.10
+  ports:
+  - name: dns
+    port: 53
+    protocol: UDP
+    targetPort: 53
+  - name: dns-tcp
+    port: 53
+    protocol: TCP
+    targetPort: 53
+  - name: metrics
+    port: 9153
+    protocol: TCP
+    targetPort: 9153
+  selector:
+    k8s-app: kube-dns
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  name: system:coredns
+rules:
+- apiGroups:
+  - ""
+  resources:
+  - endpoints
+  - services
+  - pods
+  - namespaces
+  verbs:
+  - list
+  - watch
+- apiGroups:
+  - discovery.k8s.io
+  resources:
+  - endpointslices
+  verbs:
+  - list
+  - watch
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  name: system:coredns
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: system:coredns
+subjects:
+- kind: ServiceAccount
+  name: coredns
+  namespace: kube-system
+---
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: coredns
+  namespace: kube-system

@@ 50,3 50,16 @@ spec:
   sourceRef:
     kind: GitRepository
     name: flux-system
+---
+apiVersion: kustomize.toolkit.fluxcd.io/v1
+kind: Kustomization
+metadata:
+  name: addons
+  namespace: flux-system
+spec:
+  interval: 1h0m0s
+  path: ./addons
+  prune: true
+  sourceRef:
+    kind: GitRepository
+    name: flux-system