templates

Documentation

Index

• Variables
• func MasterNodeStr(runtime connector.ModuleRuntime, conf *common.KubeConf) []string

Variables

var HaproxyConfig = template.Must(template.New("haproxy.cfg").Parse(
	dedent.Dedent(`
global
    maxconn                 4000
    log                     127.0.0.1 local0

defaults
    mode                    http
    log                     global
    option                  httplog
    option                  dontlognull
    option                  http-server-close
    option                  redispatch
    retries                 5
    timeout http-request    5m
    timeout queue           5m
    timeout connect         30s
    timeout client          30s
    timeout server          15m
    timeout http-keep-alive 30s
    timeout check           30s
    maxconn                 4000

frontend healthz
  bind *:{{ .LoadbalancerApiserverHealthcheckPort }}
  mode http
  monitor-uri /healthz

frontend kube_api_frontend
  bind 127.0.0.1:{{ .LoadbalancerApiserverPort }}
  mode tcp
  option tcplog
  default_backend kube_api_backend

backend kube_api_backend
  mode tcp
  balance leastconn
  default-server inter 15s downinter 15s rise 2 fall 2 slowstart 60s maxconn 1000 maxqueue 256 weight 100
  {{- if ne .KubernetesType "k3s"}}
  option httpchk GET /healthz
  {{- end }}
  http-check expect status 200
  {{- range .MasterNodes }}
  server {{ . }} check check-ssl verify none
  {{- end }}
`)))

var HaproxyManifest = template.Must(template.New("haproxy.yaml").Parse(
	dedent.Dedent(`
apiVersion: v1
kind: Pod
metadata:
  name: haproxy
  namespace: kube-system
  labels:
    addonmanager.kubernetes.io/mode: Reconcile
    k8s-app: kube-haproxy
  annotations:
    cfg-checksum: "{{ .Checksum }}"
spec:
  hostNetwork: true
  dnsPolicy: ClusterFirstWithHostNet
  nodeSelector:
    kubernetes.io/os: linux
  priorityClassName: system-node-critical
  containers:
  - name: haproxy
    image: {{ .HaproxyImage }}
    imagePullPolicy: Always
    resources:
      requests:
        cpu: 25m
        memory: 32M
    livenessProbe:
      httpGet:
        path: /healthz
        port: {{ .HealthCheckPort }}
    readinessProbe:
      httpGet:
        path: /healthz
        port: {{ .HealthCheckPort }}
    volumeMounts:
    - mountPath: /usr/local/etc/haproxy/
      name: etc-haproxy
      readOnly: true
  volumes:
  - name: etc-haproxy
    hostPath:
      path: /etc/kubekey/haproxy
`)))

var K3sKubevipManifest = template.Must(template.New("kube-vip-rbac.yaml").Parse(
	dedent.Dedent(`{{ if .BGPMode }}
apiVersion: v1
kind: ServiceAccount
metadata:
  name: kube-vip
  namespace: kube-system
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  annotations:
    rbac.authorization.kubernetes.io/autoupdate: "true"
  name: system:kube-vip-role
rules:
  - apiGroups: [""]
    resources: ["services", "services/status", "nodes", "endpoints"]
    verbs: ["list","get","watch", "update"]
  - apiGroups: ["coordination.k8s.io"]
    resources: ["leases"]
    verbs: ["list", "get", "watch", "update", "create"]
---
kind: ClusterRoleBinding
apiVersion: rbac.authorization.k8s.io/v1
metadata:
  name: system:kube-vip-binding
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: system:kube-vip-role
subjects:
- kind: ServiceAccount
  name: kube-vip
  namespace: kube-system
---
apiVersion: apps/v1
kind: DaemonSet
metadata:
  creationTimestamp: null
  labels:
    app.kubernetes.io/name: kube-vip-ds
    app.kubernetes.io/version: {{ .KubeVipVersion }}
  name: kube-vip-ds
  namespace: kube-system
spec:
  selector:
    matchLabels:
      app.kubernetes.io/name: kube-vip-ds
  template:
    metadata:
      creationTimestamp: null
      labels:
        app.kubernetes.io/name: kube-vip-ds
        app.kubernetes.io/version: {{ .KubeVipVersion }}
    spec:
      affinity:
        nodeAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
            nodeSelectorTerms:
            - matchExpressions:
              - key: node-role.kubernetes.io/master
                operator: Exists
            - matchExpressions:
              - key: node-role.kubernetes.io/control-plane
                operator: Exists
      containers:
      - args:
        - manager
        env:
        - name: vip_arp
          value: "false"
        - name: port
          value: "6443"
        - name: vip_interface
          value: {{ .VipInterface }}
        - name: vip_cidr
          value: "32"
        - name: cp_enable
          value: "true"
        - name: cp_namespace
          value: kube-system
        - name: vip_ddns
          value: "false"
        - name: svc_enable
          value: "true"
        - name: bgp_enable
          value: "true"
        - name: bgp_routerid
          value: {{ .BGPRouterID }}
        - name: bgp_as
          value: "65000"
        - name: bgp_peeraddress
        - name: bgp_peerpass
        - name: bgp_peeras
          value: "65000"
        - name: bgp_peers
          value: {{ .BGPPeers }}
        - name: lb_enable
          value: "true"
        - name: lb_port
          value: "6443"
        - name: lb_fwdmethod
          value: local
        - name: address
          value: {{ .KubeVip }}
        - name: prometheus_server
          value: :2112
        image: {{ .KubevipImage }}
        imagePullPolicy: Always
        name: kube-vip
        resources: {}
        securityContext:
          capabilities:
            add:
            - NET_ADMIN
            - NET_RAW
      hostNetwork: true
      serviceAccountName: kube-vip
      tolerations:
      - effect: NoSchedule
        operator: Exists
      - effect: NoExecute
        operator: Exists
  updateStrategy: {}
status:
  currentNumberScheduled: 0
  desiredNumberScheduled: 0
  numberMisscheduled: 0
  numberReady: 0
{{ else }}
apiVersion: v1
kind: ServiceAccount
metadata:
  name: kube-vip
  namespace: kube-system
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  annotations:
    rbac.authorization.kubernetes.io/autoupdate: "true"
  name: system:kube-vip-role
rules:
  - apiGroups: [""]
    resources: ["services", "services/status", "nodes", "endpoints"]
    verbs: ["list","get","watch", "update"]
  - apiGroups: ["coordination.k8s.io"]
    resources: ["leases"]
    verbs: ["list", "get", "watch", "update", "create"]
---
kind: ClusterRoleBinding
apiVersion: rbac.authorization.k8s.io/v1
metadata:
  name: system:kube-vip-binding
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: system:kube-vip-role
subjects:
- kind: ServiceAccount
  name: kube-vip
  namespace: kube-system
---
apiVersion: apps/v1
kind: DaemonSet
metadata:
  creationTimestamp: null
  labels:
    app.kubernetes.io/name: kube-vip-ds
    app.kubernetes.io/version: {{ .KubeVipVersion }}
  name: kube-vip-ds
  namespace: kube-system
spec:
  selector:
    matchLabels:
      app.kubernetes.io/name: kube-vip-ds
  template:
    metadata:
      creationTimestamp: null
      labels:
        app.kubernetes.io/name: kube-vip-ds
        app.kubernetes.io/version: {{ .KubeVipVersion }}
    spec:
      affinity:
        nodeAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
            nodeSelectorTerms:
            - matchExpressions:
              - key: node-role.kubernetes.io/master
                operator: Exists
            - matchExpressions:
              - key: node-role.kubernetes.io/control-plane
                operator: Exists
      containers:
      - args:
        - manager
        env:
        - name: vip_arp
          value: "true"
        - name: port
          value: "6443"
        - name: vip_interface
          value: {{ .VipInterface }}
        - name: vip_cidr
          value: "32"
        - name: cp_enable
          value: "true"
        - name: cp_namespace
          value: kube-system
        - name: vip_ddns
          value: "false"
        - name: svc_enable
          value: "true"
        - name: vip_leaderelection
          value: "true"
        - name: vip_leaseduration
          value: "5"
        - name: vip_renewdeadline
          value: "3"
        - name: vip_retryperiod
          value: "1"
        - name: lb_enable
          value: "true"
        - name: lb_port
          value: "6443"
        - name: lb_fwdmethod
          value: local
        - name: address
          value: {{ .KubeVip }}
        - name: prometheus_server
          value: :2112
        image: {{ .KubevipImage }}
        imagePullPolicy: Always
        name: kube-vip
        resources: {}
        securityContext:
          capabilities:
            add:
            - NET_ADMIN
            - NET_RAW
      hostNetwork: true
      serviceAccountName: kube-vip
      tolerations:
      - effect: NoSchedule
        operator: Exists
      - effect: NoExecute
        operator: Exists
  updateStrategy: {}
status:
  currentNumberScheduled: 0
  desiredNumberScheduled: 0
  numberMisscheduled: 0
  numberReady: 0
{{ end }}
`)))

var KubevipManifest = template.Must(template.New("kube-vip.yaml").Parse(
	dedent.Dedent(`{{ if .BGPMode }}
apiVersion: v1
kind: Pod
metadata:
  creationTimestamp: null
  name: kube-vip
  namespace: kube-system
spec:
  containers:
  - args:
    - manager
    env:
    - name: vip_arp
      value: "false"
    - name: port
      value: "6443"
    - name: vip_interface
      value: {{ .VipInterface }}
    - name: vip_cidr
      value: "32"
    - name: cp_enable
      value: "true"
    - name: cp_namespace
      value: kube-system
    - name: vip_ddns
      value: "false"
    - name: svc_enable
      value: "true"
    - name: bgp_enable
      value: "true"
    - name: bgp_routerid
      value: {{ .BGPRouterID }}
    - name: bgp_as
      value: "65000"
    - name: bgp_peeraddress
    - name: bgp_peerpass
    - name: bgp_peeras
      value: "65000"
    - name: bgp_peers
      value: {{ .BGPPeers }}
    - name: lb_enable
      value: "true"
    - name: lb_port
      value: "6443"
    - name: lb_fwdmethod
      value: local
    - name: address
      value: {{ .KubeVip }}
    - name: prometheus_server
      value: :2112
    image: {{ .KubevipImage }}
    imagePullPolicy: Always
    name: kube-vip
    resources: {}
    securityContext:
      capabilities:
        add:
        - NET_ADMIN
        - NET_RAW
    volumeMounts:
    - mountPath: /etc/kubernetes/admin.conf
      name: kubeconfig
  hostAliases:
  - hostnames:
    - kubernetes
    ip: 127.0.0.1
  hostNetwork: true
  volumes:
  - hostPath:
      path: /etc/kubernetes/admin.conf
    name: kubeconfig
status: {}
{{ else }}
apiVersion: v1
kind: Pod
metadata:
  creationTimestamp: null
  name: kube-vip
  namespace: kube-system
spec:
  containers:
  - args:
    - manager
    env:
    - name: vip_arp
      value: "true"
    - name: port
      value: "6443"
    - name: vip_interface
      value: {{ .VipInterface }}
    - name: vip_cidr
      value: "32"
    - name: cp_enable
      value: "true"
    - name: cp_namespace
      value: kube-system
    - name: vip_ddns
      value: "false"
    - name: svc_enable
      value: "true"
    - name: vip_leaderelection
      value: "true"
    - name: vip_leaseduration
      value: "5"
    - name: vip_renewdeadline
      value: "3"
    - name: vip_retryperiod
      value: "1"
    - name: lb_enable
      value: "true"
    - name: lb_port
      value: "6443"
    - name: address
      value: {{ .KubeVip }}
    image: {{ .KubevipImage }}
    imagePullPolicy: Always
    name: kube-vip
    resources: {}
    securityContext:
      capabilities:
        add:
        - NET_ADMIN
        - NET_RAW
        - SYS_TIME
    volumeMounts:
    - mountPath: /etc/kubernetes/admin.conf
      name: kubeconfig
  hostAliases:
  - hostnames:
    - kubernetes
    ip: 127.0.0.1
  hostNetwork: true
  volumes:
  - hostPath:
      path: /etc/kubernetes/admin.conf
    name: kubeconfig
status: {}
{{ end }}
`)))

Functions

func MasterNodeStr

func MasterNodeStr(runtime connector.ModuleRuntime, conf *common.KubeConf) []string