initial commit

2026-07-17 19:44:44 +01:00
commit 2b74f91d43
17 changed files with 402 additions and 0 deletions
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+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+resources:
+  - runtime
+  - state
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+apiVersion: apps/v1
+kind: DaemonSet
+metadata:
+  labels:
+    app: flannel
+    k8s-app: flannel
+    tier: node
+  name: kube-flannel-ds
+  namespace: kube-flannel
+spec:
+  selector:
+    matchLabels:
+      app: flannel
+      k8s-app: flannel
+  template:
+    metadata:
+      labels:
+        app: flannel
+        k8s-app: flannel
+        tier: node
+    spec:
+      affinity:
+        nodeAffinity:
+          requiredDuringSchedulingIgnoredDuringExecution:
+            nodeSelectorTerms:
+            - matchExpressions:
+              - key: kubernetes.io/os
+                operator: In
+                values:
+                - linux
+      containers:
+      - args:
+        - --ip-masq
+        - --kube-subnet-mgr
+        command:
+        - /opt/bin/flanneld
+        env:
+        - name: POD_NAME
+          valueFrom:
+            fieldRef:
+              fieldPath: metadata.name
+        - name: POD_NAMESPACE
+          valueFrom:
+            fieldRef:
+              fieldPath: metadata.namespace
+        - name: EVENT_QUEUE_DEPTH
+          value: "5000"
+        - name: CONT_WHEN_CACHE_NOT_READY
+          value: "false"
+        image: ghcr.io/flannel-io/flannel:v0.28.7
+        name: kube-flannel
+        resources:
+          requests:
+            cpu: 100m
+            memory: 50Mi
+        securityContext:
+          capabilities:
+            add:
+            - NET_ADMIN
+            - NET_RAW
+          privileged: false
+        volumeMounts:
+        - mountPath: /run/flannel
+          name: run
+        - mountPath: /etc/kube-flannel/
+          name: flannel-cfg
+        - mountPath: /run/xtables.lock
+          name: xtables-lock
+      hostNetwork: true
+      initContainers:
+      - args:
+        - -f
+        - /flannel
+        - /opt/cni/bin/flannel
+        command:
+        - cp
+        image: ghcr.io/flannel-io/flannel-cni-plugin:v1.9.1-flannel2
+        name: install-cni-plugin
+        volumeMounts:
+        - mountPath: /opt/cni/bin
+          name: cni-plugin
+      - args:
+        - -f
+        - /etc/kube-flannel/cni-conf.json
+        - /etc/cni/net.d/10-flannel.conflist
+        command:
+        - cp
+        image: ghcr.io/flannel-io/flannel:v0.28.7
+        name: install-cni
+        volumeMounts:
+        - mountPath: /etc/cni/net.d
+          name: cni
+        - mountPath: /etc/kube-flannel/
+          name: flannel-cfg
+      priorityClassName: system-node-critical
+      serviceAccountName: flannel
+      tolerations:
+      - effect: NoSchedule
+        operator: Exists
+      volumes:
+      - hostPath:
+          path: /run/flannel
+        name: run
+      - hostPath:
+          path: /opt/cni/bin
+        name: cni-plugin
+      - hostPath:
+          path: /etc/cni/net.d
+        name: cni
+      - configMap:
+          name: kube-flannel-cfg
+        name: flannel-cfg
+      - hostPath:
+          path: /run/xtables.lock
+          type: FileOrCreate
+        name: xtables-lock
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+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+namespace: kube-flannel
+
+resources:
+  - daemonset-kube-flannel-ds.yaml
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+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  labels:
+    k8s-app: flannel
+  name: flannel
+rules:
+- apiGroups:
+  - ""
+  resources:
+  - pods
+  verbs:
+  - get
+- apiGroups:
+  - ""
+  resources:
+  - nodes
+  verbs:
+  - get
+  - list
+  - watch
+- apiGroups:
+  - ""
+  resources:
+  - nodes/status
+  verbs:
+  - patch
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+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  labels:
+    k8s-app: flannel
+  name: flannel
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: flannel
+subjects:
+- kind: ServiceAccount
+  name: flannel
+  namespace: kube-flannel
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+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+namespace: kube-flannel
+
+resources:
+  - serviceaccount-flannel.yaml
+  - namespace-kube-flannel.yaml
+  - clusterrolebinding-flannel.yaml
+  - clusterrole-flannel.yaml
+
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+apiVersion: v1
+kind: Namespace
+metadata:
+  labels:
+    k8s-app: flannel
+    pod-security.kubernetes.io/enforce: privileged
+  name: kube-flannel
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+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  labels:
+    k8s-app: flannel
+  name: flannel
+  namespace: kube-flannel
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+# +argocd:skip-file-rendering
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+configMapGenerator:
+- files:
+  - example-test.env
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+  # +argocd:skip-file-rendering
+
+  test=works
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+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+namespace: kube-flannel
+
+resources:
+  - ../../base/state
+
+commonLabels:
+  app.kubernetes.io/part-of: flannel
+  app.kubernetes.io/environment: dormant
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+apiVersion: v1
+data:
+  cni-conf.json: |
+    {
+      "name": "cbr0",
+      "cniVersion": "0.3.1",
+      "plugins": [
+        {
+          "type": "flannel",
+          "delegate": {
+            "hairpinMode": true,
+            "isDefaultGateway": true
+          }
+        },
+        {
+          "type": "portmap",
+          "capabilities": {
+            "portMappings": true
+          }
+        }
+      ]
+    }
+  net-conf.json: |
+    {
+      "Network": "172.25.0.0/16",
+      "EnableNFTables": false,
+      "Backend": {
+        "Type": "vxlan"
+      }
+    }
+kind: ConfigMap
+metadata:
+  labels:
+    app: flannel
+    k8s-app: flannel
+    tier: node
+  name: kube-flannel-cfg
+  namespace: kube-flannel
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+apiVersion: traefik.io/v1alpha1
+kind: IngressRoute
+metadata:
+  name: flannel
+  labels:
+    app.kubernetes.io/name: flannel
+spec:
+  entryPoints:
+    - websecure
+  routes:
+    - kind: Rule
+      match: Host(`flannel.olb42.com`)
+      services:
+        - name: app
+          port: 80
+  secretName: olb42-wildcard-tls
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+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+namespace: kube-flannel
+
+resources:
+  - ../../base/runtime
+  - ../../base/state
+  - configmap-kube-flannel-cfg.yaml
+  # - ingressroute.yaml
+
+
+commonLabels:
+  app.kubernetes.io/part-of: flannel
+  app.kubernetes.io/environment: production
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+# Optional static PV example for NFS-backed storage.
+# This file is not referenced from kustomization.yaml by default because the
+# default storage flow uses dynamic provisioning via the Longhorn PVC.
+#
+# To use this file:
+#   1. Add storage/persistentvolume-nfs.yaml to resources in this overlay.
+#   2. Update persistentvolumeclaim.yaml to set:
+#        storageClassName: nfs-shared
+#        volumeName: app-data
+#        accessModes: [ReadWriteMany]
+#   3. Replace the placeholder NFS server and export path below.
+apiVersion: v1
+kind: PersistentVolume
+metadata:
+  name: app-data
+spec:
+  capacity:
+    storage: 10Gi
+  accessModes:
+    - ReadWriteMany
+  persistentVolumeReclaimPolicy: Retain
+  claimRef:
+    apiVersion: v1
+    kind: PersistentVolumeClaim
+    name: app-data
+    namespace: flannel
+  storageClassName: nfs-shared
+  mountOptions:
+    - nfsvers=4.1
+  nfs:
+    server: nfs.example.internal
+    path: /exports/app-data