Merge pull request #24 from pawan-deploy/main

Added Calico networking chart

charts/calico-networking/Chart.yaml

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+name: calico
+description: Chart to deploy calico networking
+version: 0.1.0

charts/calico-networking/templates/calico-config.yaml

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+# This ConfigMap is used to configure a self-hosted Calico installation.
+kind: ConfigMap
+apiVersion: v1
+metadata:
+  name: calico-config
+  namespace: kube-system
+data:
+  # Typha is disabled.
+  typha_service_name: "none"
+  # Configure the backend to use.
+  calico_backend: "vxlan"
+
+  # Configure the MTU to use for workload interfaces and tunnels.
+  # By default, MTU is auto-detected, and explicitly setting this field should not be required.
+  # You can override auto-detection by providing a non-zero value.
+  veth_mtu: "0"
+
+  # The CNI network configuration to install on each node. The special
+  # values in this config will be automatically populated.
+  cni_network_config: |-
+    {
+      "name": "k8s-pod-network",
+      "cniVersion": {{ .Values.calicoConfig.cniVersion | quote }},
+      "plugins": [
+        {
+          "type": "calico",
+          "log_level": "info",
+          "log_file_path": "/var/log/calico/cni/cni.log",
+          "datastore_type": "kubernetes",
+          "nodename": "__KUBERNETES_NODE_NAME__",
+          "mtu": __CNI_MTU__,
+          "ipam": {
+              "type": "calico-ipam"
+          },
+          "policy": {
+              "type": "k8s"
+          },
+          "kubernetes": {
+              "kubeconfig": "__KUBECONFIG_FILEPATH__"
+          }
+        },
+        {
+          "type": "portmap",
+          "snat": true,
+          "capabilities": {"portMappings": true}
+        },
+        {
+          "type": "bandwidth",
+          "capabilities": {"bandwidth": true}
+        }
+      ]
+    }

charts/calico-networking/templates/calico-kube-controllers-rbac.yaml

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+# Include a clusterrole for the kube-controllers component,
+# and bind it to the calico-kube-controllers serviceaccount.
+kind: ClusterRole
+apiVersion: rbac.authorization.k8s.io/v1
+metadata:
+  name: calico-kube-controllers
+rules:
+  # Nodes are watched to monitor for deletions.
+  - apiGroups: [""]
+    resources:
+      - nodes
+    verbs:
+      - watch
+      - list
+      - get
+  # Pods are queried to check for existence.
+  - apiGroups: [""]
+    resources:
+      - pods
+    verbs:
+      - get
+  # IPAM resources are manipulated when nodes are deleted.
+  - apiGroups: ["crd.projectcalico.org"]
+    resources:
+      - ippools
+    verbs:
+      - list
+  - apiGroups: ["crd.projectcalico.org"]
+    resources:
+      - blockaffinities
+      - ipamblocks
+      - ipamhandles
+    verbs:
+      - get
+      - list
+      - create
+      - update
+      - delete
+      - watch
+  # kube-controllers manages hostendpoints.
+  - apiGroups: ["crd.projectcalico.org"]
+    resources:
+      - hostendpoints
+    verbs:
+      - get
+      - list
+      - create
+      - update
+      - delete
+  # Needs access to update clusterinformations.
+  - apiGroups: ["crd.projectcalico.org"]
+    resources:
+      - clusterinformations
+    verbs:
+      - get
+      - create
+      - update
+  # KubeControllersConfiguration is where it gets its config
+  - apiGroups: ["crd.projectcalico.org"]
+    resources:
+      - kubecontrollersconfigurations
+    verbs:
+      # read its own config
+      - get
+      # create a default if none exists
+      - create
+      # update status
+      - update
+      # watch for changes
+      - watch
+---
+kind: ClusterRoleBinding
+apiVersion: rbac.authorization.k8s.io/v1
+metadata:
+  name: calico-kube-controllers
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: calico-kube-controllers
+subjects:
+- kind: ServiceAccount
+  name: calico-kube-controllers
+  namespace: kube-system

charts/calico-networking/templates/calico-kube-controllers.yaml

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+# See https://github.com/projectcalico/kube-controllers
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: calico-kube-controllers
+  namespace: kube-system
+  labels:
+    k8s-app: calico-kube-controllers
+spec:
+  # The controllers can only have a single active instance.
+  replicas: 1
+  selector:
+    matchLabels:
+      k8s-app: calico-kube-controllers
+  strategy:
+    type: Recreate
+  template:
+    metadata:
+      name: calico-kube-controllers
+      namespace: kube-system
+      labels:
+        k8s-app: calico-kube-controllers
+    spec:
+      nodeSelector:
+        kubernetes.io/os: linux
+      tolerations:
+        # Mark the pod as a critical add-on for rescheduling.
+        - key: CriticalAddonsOnly
+          operator: Exists
+        - key: node-role.kubernetes.io/master
+          effect: NoSchedule
+      serviceAccountName: calico-kube-controllers
+      priorityClassName: system-cluster-critical
+      containers:
+        - name: calico-kube-controllers
+          image: docker.io/calico/kube-controllers:v3.19.1
+          env:
+            # Choose which controllers to run.
+            - name: ENABLED_CONTROLLERS
+              value: node
+            - name: DATASTORE_TYPE
+              value: kubernetes
+          livenessProbe:
+            exec:
+              command:
+              - /usr/bin/check-status
+              - -l
+            periodSeconds: 10
+            initialDelaySeconds: 10
+            failureThreshold: 6
+          readinessProbe:
+            exec:
+              command:
+              - /usr/bin/check-status
+              - -r
+            periodSeconds: 10
+
+---
+
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: calico-kube-controllers
+  namespace: kube-system
+
+---
+
+# This manifest creates a Pod Disruption Budget for Controller to allow K8s Cluster Autoscaler to evict
+
+apiVersion: policy/v1beta1
+kind: PodDisruptionBudget
+metadata:
+  name: calico-kube-controllers
+  namespace: kube-system
+  labels:
+    k8s-app: calico-kube-controllers
+spec:
+  maxUnavailable: 1
+  selector:
+    matchLabels:
+      k8s-app: calico-kube-controllers

charts/calico-networking/templates/calico-node-rbac.yaml

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+# Include a clusterrole for the calico-node DaemonSet,
+# and bind it to the calico-node serviceaccount.
+kind: ClusterRole
+apiVersion: rbac.authorization.k8s.io/v1
+metadata:
+  name: calico-node
+rules:
+  # The CNI plugin needs to get pods, nodes, and namespaces.
+  - apiGroups: [""]
+    resources:
+      - pods
+      - nodes
+      - namespaces
+    verbs:
+      - get
+  - apiGroups: [""]
+    resources:
+      - endpoints
+      - services
+    verbs:
+      # Used to discover service IPs for advertisement.
+      - watch
+      - list
+      # Used to discover Typhas.
+      - get
+  # Pod CIDR auto-detection on kubeadm needs access to config maps.
+  - apiGroups: [""]
+    resources:
+      - configmaps
+    verbs:
+      - get
+  - apiGroups: [""]
+    resources:
+      - nodes/status
+    verbs:
+      # Needed for clearing NodeNetworkUnavailable flag.
+      - patch
+      # Calico stores some configuration information in node annotations.
+      - update
+  # Watch for changes to Kubernetes NetworkPolicies.
+  - apiGroups: ["networking.k8s.io"]
+    resources:
+      - networkpolicies
+    verbs:
+      - watch
+      - list
+  # Used by Calico for policy information.
+  - apiGroups: [""]
+    resources:
+      - pods
+      - namespaces
+      - serviceaccounts
+    verbs:
+      - list
+      - watch
+  # The CNI plugin patches pods/status.
+  - apiGroups: [""]
+    resources:
+      - pods/status
+    verbs:
+      - patch
+  # Calico monitors various CRDs for config.
+  - apiGroups: ["crd.projectcalico.org"]
+    resources:
+      - globalfelixconfigs
+      - felixconfigurations
+      - bgppeers
+      - globalbgpconfigs
+      - bgpconfigurations
+      - ippools
+      - ipamblocks
+      - globalnetworkpolicies
+      - globalnetworksets
+      - networkpolicies
+      - networksets
+      - clusterinformations
+      - hostendpoints
+      - blockaffinities
+    verbs:
+      - get
+      - list
+      - watch
+  # Calico must create and update some CRDs on startup.
+  - apiGroups: ["crd.projectcalico.org"]
+    resources:
+      - ippools
+      - felixconfigurations
+      - clusterinformations
+    verbs:
+      - create
+      - update
+  # Calico stores some configuration information on the node.
+  - apiGroups: [""]
+    resources:
+      - nodes
+    verbs:
+      - get
+      - list
+      - watch
+  # These permissions are only required for upgrade from v2.6, and can
+  # be removed after upgrade or on fresh installations.
+  - apiGroups: ["crd.projectcalico.org"]
+    resources:
+      - bgpconfigurations
+      - bgppeers
+    verbs:
+      - create
+      - update
+  # These permissions are required for Calico CNI to perform IPAM allocations.
+  - apiGroups: ["crd.projectcalico.org"]
+    resources:
+      - blockaffinities
+      - ipamblocks
+      - ipamhandles
+    verbs:
+      - get
+      - list
+      - create
+      - update
+      - delete
+  - apiGroups: ["crd.projectcalico.org"]
+    resources:
+      - ipamconfigs
+    verbs:
+      - get
+  # Block affinities must also be watchable by confd for route aggregation.
+  - apiGroups: ["crd.projectcalico.org"]
+    resources:
+      - blockaffinities
+    verbs:
+      - watch
+  # The Calico IPAM migration needs to get daemonsets. These permissions can be
+  # removed if not upgrading from an installation using host-local IPAM.
+  - apiGroups: ["apps"]
+    resources:
+      - daemonsets
+    verbs:
+      - get
+
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  name: calico-node
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: calico-node
+subjects:
+- kind: ServiceAccount
+  name: calico-node
+  namespace: kube-system