tmpl

Documentation

Index

• Variables
• func GenerateKubeadmFiles(cfg *cluster.ClusterCfg)
• func GenerateKubeletFiles()

Variables

var (
	KubeletServiceTempl = template.Must(template.New("kubeletService").Parse(
		dedent.Dedent(`[Unit]
Description=kubelet: The Kubernetes Node Agent
Documentation=http://kubernetes.io/docs/

[Service]
ExecStart=/usr/local/bin/kubelet
Restart=always
StartLimitInterval=0
RestartSec=10

[Install]
WantedBy=multi-user.target
    `)))

	KubeletEnvTempl = template.Must(template.New("kubeletEnv").Parse(
		dedent.Dedent(`# Note: This dropin only works with kubeadm and kubelet v1.11+
[Service]
Environment="KUBELET_KUBECONFIG_ARGS=--bootstrap-kubeconfig=/etc/kubernetes/bootstrap-kubelet.conf --kubeconfig=/etc/kubernetes/kubelet.conf"
Environment="KUBELET_CONFIG_ARGS=--config=/var/lib/kubelet/config.yaml"
# This is a file that "kubeadm init" and "kubeadm join" generate at runtime, populating the KUBELET_KUBEADM_ARGS variable dynamically
EnvironmentFile=-/var/lib/kubelet/kubeadm-flags.env
# This is a file that the user can use for overrides of the kubelet args as a last resort. Preferably, the user should use
# the .NodeRegistration.KubeletExtraArgs object in the configuration files instead. KUBELET_EXTRA_ARGS should be sourced from this file.
EnvironmentFile=-/etc/default/kubelet
ExecStart=
ExecStart=/usr/local/bin/kubelet $KUBELET_KUBECONFIG_ARGS $KUBELET_CONFIG_ARGS $KUBELET_KUBEADM_ARGS $KUBELET_EXTRA_ARGS
    `)))
)

var KubeadmCfgTempl = template.Must(template.New("kubeadmCfg").Parse(
	dedent.Dedent(`---
apiVersion: kubeadm.k8s.io/v1beta2
kind: ClusterConfiguration
etcd:
  external:
    endpoints:
    {{- range .ExternalEtcd.Endpoints }}
    - {{ . }}
    {{- end }}
    caFile: {{ .ExternalEtcd.CaFile }}
    certFile: {{ .ExternalEtcd.CertFile }}
    keyFile: {{ .ExternalEtcd.KeyFile }}
dns:
  type: CoreDNS
  imageRepository: coredns
  imageTag: 1.6.0
imageRepository: {{ .ImageRepo }}
kubernetesVersion: {{ .Version }}
certificatesDir: /etc/kubernetes/pki
clusterName: {{ .ClusterName }}
controlPlaneEndpoint: {{ .ControlPlaneEndpoint }}
networking:
  dnsDomain: {{ .ClusterName }}
  podSubnet: {{ .PodSubnet }}
  serviceSubnet: {{ .ServiceSubnet }}
apiServer:
  extraArgs:
    authorization-mode: Node,RBAC
  timeoutForControlPlane: 4m0s
  certSANs:
    {{- range .CertSANs }}
    - {{ . }}
    {{- end }}

---
apiVersion: kubeproxy.config.k8s.io/v1alpha1
kind: KubeProxyConfiguration
bindAddress: 0.0.0.0
clientConnection:
 acceptContentTypes: 
 burst: 10
 contentType: application/vnd.kubernetes.protobuf
 kubeconfig: 
 qps: 5
clusterCIDR: {{ .PodSubnet }}
configSyncPeriod: 15m0s
conntrack:
 maxPerCore: 32768
 min: 131072
 tcpCloseWaitTimeout: 1h0m0s
 tcpEstablishedTimeout: 24h0m0s
enableProfiling: False
healthzBindAddress: 0.0.0.0:10256
iptables:
 masqueradeAll: False
 masqueradeBit: 14
 minSyncPeriod: 0s
 syncPeriod: 30s
ipvs:
 excludeCIDRs: []
 minSyncPeriod: 0s
 scheduler: rr
 syncPeriod: 30s
 strictARP: False
metricsBindAddress: 127.0.0.1:10249
mode: ipvs
nodePortAddresses: []
oomScoreAdj: -999
portRange: 
udpIdleTimeout: 250ms
    `)))

Functions

func GenerateKubeadmFiles

func GenerateKubeadmFiles(cfg *cluster.ClusterCfg)

func GenerateKubeletFiles

func GenerateKubeletFiles()