k3s/pkg/cli/cmds/server.go

334 lines
12 KiB
Go

package cmds
import (
"github.com/rancher/k3s/pkg/version"
"github.com/rancher/spur/cli"
"github.com/rancher/spur/cli/altsrc"
)
const (
DisableItems = "coredns, servicelb, traefik, local-storage, metrics-server"
)
type Server struct {
ClusterCIDR string
AgentToken string
AgentTokenFile string
Token string
TokenFile string
ClusterSecret string
ServiceCIDR string
ClusterDNS string
ClusterDomain string
// The port which kubectl clients can access k8s
HTTPSPort int
// The port which custom k3s API runs on
SupervisorPort int
// The port which kube-apiserver runs on
APIServerPort int
APIServerBindAddress string
DataDir string
DisableAgent bool
KubeConfigOutput string
KubeConfigMode string
TLSSan []string
BindAddress string
ExtraAPIArgs []string
ExtraSchedulerArgs []string
ExtraControllerArgs []string
ExtraCloudControllerArgs []string
Rootless bool
DatastoreEndpoint string
DatastoreCAFile string
DatastoreCertFile string
DatastoreKeyFile string
AdvertiseIP string
AdvertisePort int
DisableScheduler bool
ServerURL string
FlannelBackend string
DefaultLocalStoragePath string
DisableCCM bool
DisableNPC bool
DisableKubeProxy bool
ClusterInit bool
ClusterReset bool
EncryptSecrets bool
}
var ServerConfig Server
func NewServerCommand(action func(*cli.Context) error) *cli.Command {
return &cli.Command{
Name: "server",
Usage: "Run management server",
UsageText: appName + " server [OPTIONS]",
Before: func(ctx *cli.Context) error {
if err := CheckSELinuxFlags(ctx); err != nil {
return err
}
return DebugContext(cli.InitAllInputSource(altsrc.NewConfigFromFlag(ConfigFlag.Name)))(ctx)
},
Action: InitLogging(action),
Flags: []cli.Flag{
&ConfigFlag,
&DebugFlag,
&VLevel,
&VModule,
&LogFile,
&AlsoLogToStderr,
&cli.StringFlag{
Name: "bind-address",
Usage: "(listener) " + version.Program + " bind address (default: 0.0.0.0)",
Destination: &ServerConfig.BindAddress,
},
&cli.IntFlag{
Name: "https-listen-port",
Usage: "(listener) HTTPS listen port",
Value: 6443,
Destination: &ServerConfig.HTTPSPort,
},
&cli.StringFlag{
Name: "advertise-address",
Usage: "(listener) IP address that apiserver uses to advertise to members of the cluster (default: node-external-ip/node-ip)",
Destination: &ServerConfig.AdvertiseIP,
},
&cli.IntFlag{
Name: "advertise-port",
Usage: "(listener) Port that apiserver uses to advertise to members of the cluster (default: listen-port)",
Destination: &ServerConfig.AdvertisePort,
},
&cli.StringSliceFlag{
Name: "tls-san",
Usage: "(listener) Add additional hostname or IP as a Subject Alternative Name in the TLS cert",
Destination: &ServerConfig.TLSSan,
},
&cli.StringFlag{
Name: "data-dir,d",
Usage: "(data) Folder to hold state default /var/lib/rancher/" + version.Program + " or ${HOME}/.rancher/" + version.Program + " if not root",
Destination: &ServerConfig.DataDir,
},
&cli.StringFlag{
Name: "cluster-cidr",
Usage: "(networking) Network CIDR to use for pod IPs",
Destination: &ServerConfig.ClusterCIDR,
Value: "10.42.0.0/16",
},
&cli.StringFlag{
Name: "service-cidr",
Usage: "(networking) Network CIDR to use for services IPs",
Destination: &ServerConfig.ServiceCIDR,
Value: "10.43.0.0/16",
},
&cli.StringFlag{
Name: "cluster-dns",
Usage: "(networking) Cluster IP for coredns service. Should be in your service-cidr range (default: 10.43.0.10)",
Destination: &ServerConfig.ClusterDNS,
Value: "",
},
&cli.StringFlag{
Name: "cluster-domain",
Usage: "(networking) Cluster Domain",
Destination: &ServerConfig.ClusterDomain,
Value: "cluster.local",
},
&cli.StringFlag{
Name: "flannel-backend",
Usage: "(networking) One of 'none', 'vxlan', 'ipsec', 'host-gw', or 'wireguard'",
Destination: &ServerConfig.FlannelBackend,
Value: "vxlan",
},
&cli.StringFlag{
Name: "token,t",
Usage: "(cluster) Shared secret used to join a server or agent to a cluster",
Destination: &ServerConfig.Token,
EnvVars: []string{version.ProgramUpper + "_TOKEN"},
},
&cli.StringFlag{
Name: "token-file",
Usage: "(cluster) File containing the cluster-secret/token",
Destination: &ServerConfig.TokenFile,
EnvVars: []string{version.ProgramUpper + "_TOKEN_FILE"},
},
&cli.StringFlag{
Name: "write-kubeconfig,o",
Usage: "(client) Write kubeconfig for admin client to this file",
Destination: &ServerConfig.KubeConfigOutput,
EnvVars: []string{version.ProgramUpper + "_KUBECONFIG_OUTPUT"},
},
&cli.StringFlag{
Name: "write-kubeconfig-mode",
Usage: "(client) Write kubeconfig with this mode",
Destination: &ServerConfig.KubeConfigMode,
EnvVars: []string{version.ProgramUpper + "_KUBECONFIG_MODE"},
},
&cli.StringSliceFlag{
Name: "kube-apiserver-arg",
Usage: "(flags) Customized flag for kube-apiserver process",
Destination: &ServerConfig.ExtraAPIArgs,
},
&cli.StringSliceFlag{
Name: "kube-scheduler-arg",
Usage: "(flags) Customized flag for kube-scheduler process",
Destination: &ServerConfig.ExtraSchedulerArgs,
},
&cli.StringSliceFlag{
Name: "kube-controller-manager-arg",
Usage: "(flags) Customized flag for kube-controller-manager process",
Destination: &ServerConfig.ExtraControllerArgs,
},
&cli.StringSliceFlag{
Name: "kube-cloud-controller-manager-arg",
Usage: "(flags) Customized flag for kube-cloud-controller-manager process",
Destination: &ServerConfig.ExtraCloudControllerArgs,
},
&cli.StringFlag{
Name: "datastore-endpoint",
Usage: "(db) Specify etcd, Mysql, Postgres, or Sqlite (default) data source name",
Destination: &ServerConfig.DatastoreEndpoint,
EnvVars: []string{version.ProgramUpper + "_DATASTORE_ENDPOINT"},
},
&cli.StringFlag{
Name: "datastore-cafile",
Usage: "(db) TLS Certificate Authority file used to secure datastore backend communication",
Destination: &ServerConfig.DatastoreCAFile,
EnvVars: []string{version.ProgramUpper + "_DATASTORE_CAFILE"},
},
&cli.StringFlag{
Name: "datastore-certfile",
Usage: "(db) TLS certification file used to secure datastore backend communication",
Destination: &ServerConfig.DatastoreCertFile,
EnvVars: []string{version.ProgramUpper + "_DATASTORE_CERTFILE"},
},
&cli.StringFlag{
Name: "datastore-keyfile",
Usage: "(db) TLS key file used to secure datastore backend communication",
Destination: &ServerConfig.DatastoreKeyFile,
EnvVars: []string{version.ProgramUpper + "_DATASTORE_KEYFILE"},
},
&cli.StringFlag{
Name: "default-local-storage-path",
Usage: "(storage) Default local storage path for local provisioner storage class",
Destination: &ServerConfig.DefaultLocalStoragePath,
},
&cli.StringSliceFlag{
Name: "disable",
Usage: "(components) Do not deploy packaged components and delete any deployed components (valid items: " + DisableItems + ")",
},
&cli.BoolFlag{
Name: "disable-scheduler",
Usage: "(components) Disable Kubernetes default scheduler",
Destination: &ServerConfig.DisableScheduler,
},
&cli.BoolFlag{
Name: "disable-cloud-controller",
Usage: "(components) Disable " + version.Program + " default cloud controller manager",
Destination: &ServerConfig.DisableCCM,
},
&cli.BoolFlag{
Name: "disable-kube-proxy",
Usage: "(components) Disable running kube-proxy",
Destination: &ServerConfig.DisableKubeProxy,
},
&cli.BoolFlag{
Name: "disable-network-policy",
Usage: "(components) Disable " + version.Program + " default network policy controller",
Destination: &ServerConfig.DisableNPC,
},
&NodeNameFlag,
&WithNodeIDFlag,
&NodeLabels,
&NodeTaints,
&DockerFlag,
&CRIEndpointFlag,
&PauseImageFlag,
&SnapshotterFlag,
&PrivateRegistryFlag,
&NodeIPFlag,
&NodeExternalIPFlag,
&ResolvConfFlag,
&FlannelIfaceFlag,
&FlannelConfFlag,
&ExtraKubeletArgs,
&ExtraKubeProxyArgs,
&ProtectKernelDefaultsFlag,
&cli.BoolFlag{
Name: "rootless",
Usage: "(experimental) Run rootless",
Destination: &ServerConfig.Rootless,
},
&cli.StringFlag{
Name: "agent-token",
Usage: "(experimental/cluster) Shared secret used to join agents to the cluster, but not servers",
Destination: &ServerConfig.AgentToken,
EnvVars: []string{version.ProgramUpper + "_AGENT_TOKEN"},
},
&cli.StringFlag{
Name: "agent-token-file",
Usage: "(experimental/cluster) File containing the agent secret",
Destination: &ServerConfig.AgentTokenFile,
EnvVars: []string{version.ProgramUpper + "_AGENT_TOKEN_FILE"},
},
&cli.StringFlag{
Name: "server,s",
Usage: "(experimental/cluster) Server to connect to, used to join a cluster",
EnvVars: []string{version.ProgramUpper + "_URL"},
Destination: &ServerConfig.ServerURL,
},
&cli.BoolFlag{
Name: "cluster-init",
Hidden: hideDqlite,
Usage: "(experimental/cluster) Initialize new cluster master",
EnvVars: []string{version.ProgramUpper + "_CLUSTER_INIT"},
Destination: &ServerConfig.ClusterInit,
},
&cli.BoolFlag{
Name: "cluster-reset",
Hidden: hideDqlite,
Usage: "(experimental/cluster) Forget all peers and become a single cluster new cluster master",
EnvVars: []string{version.ProgramUpper + "_CLUSTER_RESET"},
Destination: &ServerConfig.ClusterReset,
},
&cli.BoolFlag{
Name: "secrets-encryption",
Usage: "(experimental) Enable Secret encryption at rest",
Destination: &ServerConfig.EncryptSecrets,
},
&SELinuxFlag,
// Hidden/Deprecated flags below
&DisableSELinuxFlag,
&FlannelFlag,
&cli.StringSliceFlag{
Name: "no-deploy",
Usage: "(deprecated) Do not deploy packaged components (valid items: " + DisableItems + ")",
},
&cli.StringFlag{
Name: "cluster-secret",
Usage: "(deprecated) use --token",
Destination: &ServerConfig.ClusterSecret,
EnvVars: []string{version.ProgramUpper + "_CLUSTER_SECRET"},
},
&cli.BoolFlag{
Name: "disable-agent",
Usage: "Do not run a local agent and register a local kubelet",
Hidden: true,
Destination: &ServerConfig.DisableAgent,
},
&cli.StringSliceFlag{
Hidden: true,
Name: "kube-controller-arg",
Usage: "(flags) Customized flag for kube-controller-manager process",
Destination: &ServerConfig.ExtraControllerArgs,
},
&cli.StringSliceFlag{
Hidden: true,
Name: "kube-cloud-controller-arg",
Usage: "(flags) Customized flag for kube-cloud-controller-manager process",
Destination: &ServerConfig.ExtraCloudControllerArgs,
},
},
}
}