mirror of
https://github.com/k3s-io/k3s.git
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463 lines
16 KiB
Go
463 lines
16 KiB
Go
package cmds
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import (
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"context"
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"github.com/rancher/k3s/pkg/version"
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"github.com/urfave/cli"
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)
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const (
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defaultSnapshotRentention = 5
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defaultSnapshotIntervalHours = 12
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hideClusterFlags = true
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)
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type Server struct {
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ClusterCIDR string
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AgentToken string
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AgentTokenFile string
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Token string
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TokenFile string
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ClusterSecret string
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ServiceCIDR string
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ServiceNodePortRange string
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ClusterDNS string
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ClusterDomain string
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// The port which kubectl clients can access k8s
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HTTPSPort int
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// The port which custom k3s API runs on
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SupervisorPort int
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// The port which kube-apiserver runs on
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APIServerPort int
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APIServerBindAddress string
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DataDir string
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DisableAgent bool
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KubeConfigOutput string
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KubeConfigMode string
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TLSSan cli.StringSlice
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BindAddress string
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ExtraAPIArgs cli.StringSlice
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ExtraSchedulerArgs cli.StringSlice
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ExtraControllerArgs cli.StringSlice
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ExtraCloudControllerArgs cli.StringSlice
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Rootless bool
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DatastoreEndpoint string
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DatastoreCAFile string
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DatastoreCertFile string
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DatastoreKeyFile string
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AdvertiseIP string
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AdvertisePort int
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DisableScheduler bool
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ServerURL string
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FlannelBackend string
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DefaultLocalStoragePath string
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DisableCCM bool
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DisableNPC bool
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DisableKubeProxy bool
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DisableAPIServer bool
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DisableControllerManager bool
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DisableETCD bool
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ClusterInit bool
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ClusterReset bool
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ClusterResetRestorePath string
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EncryptSecrets bool
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StartupHooks []func(context.Context, <-chan struct{}, string) error
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EtcdSnapshotName string
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EtcdDisableSnapshots bool
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EtcdExposeMetrics bool
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EtcdSnapshotDir string
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EtcdSnapshotCron string
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EtcdSnapshotRetention int
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EtcdS3 bool
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EtcdS3Endpoint string
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EtcdS3EndpointCA string
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EtcdS3SkipSSLVerify bool
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EtcdS3AccessKey string
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EtcdS3SecretKey string
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EtcdS3BucketName string
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EtcdS3Region string
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EtcdS3Folder string
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}
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var ServerConfig Server
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func NewServerCommand(action func(*cli.Context) error) cli.Command {
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return cli.Command{
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Name: "server",
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Usage: "Run management server",
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UsageText: appName + " server [OPTIONS]",
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Before: SetupDebug(CheckSELinuxFlags),
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Action: action,
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Flags: []cli.Flag{
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ConfigFlag,
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DebugFlag,
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VLevel,
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VModule,
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LogFile,
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AlsoLogToStderr,
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cli.StringFlag{
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Name: "bind-address",
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Usage: "(listener) " + version.Program + " bind address (default: 0.0.0.0)",
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Destination: &ServerConfig.BindAddress,
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},
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cli.IntFlag{
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Name: "https-listen-port",
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Usage: "(listener) HTTPS listen port",
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Value: 6443,
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Destination: &ServerConfig.HTTPSPort,
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},
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cli.StringFlag{
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Name: "advertise-address",
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Usage: "(listener) IP address that apiserver uses to advertise to members of the cluster (default: node-external-ip/node-ip)",
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Destination: &ServerConfig.AdvertiseIP,
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},
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cli.IntFlag{
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Name: "advertise-port",
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Usage: "(listener) Port that apiserver uses to advertise to members of the cluster (default: listen-port)",
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Destination: &ServerConfig.AdvertisePort,
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},
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cli.StringSliceFlag{
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Name: "tls-san",
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Usage: "(listener) Add additional hostname or IP as a Subject Alternative Name in the TLS cert",
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Value: &ServerConfig.TLSSan,
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},
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cli.StringFlag{
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Name: "data-dir,d",
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Usage: "(data) Folder to hold state default /var/lib/rancher/" + version.Program + " or ${HOME}/.rancher/" + version.Program + " if not root",
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Destination: &ServerConfig.DataDir,
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},
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cli.StringFlag{
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Name: "cluster-cidr",
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Usage: "(networking) Network CIDR to use for pod IPs",
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Destination: &ServerConfig.ClusterCIDR,
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Value: "10.42.0.0/16",
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},
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cli.StringFlag{
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Name: "service-cidr",
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Usage: "(networking) Network CIDR to use for services IPs",
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Destination: &ServerConfig.ServiceCIDR,
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Value: "10.43.0.0/16",
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},
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cli.StringFlag{
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Name: "service-node-port-range",
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Usage: "(networking) Port range to reserve for services with NodePort visibility",
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Destination: &ServerConfig.ServiceNodePortRange,
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Value: "30000-32767",
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},
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cli.StringFlag{
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Name: "cluster-dns",
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Usage: "(networking) Cluster IP for coredns service. Should be in your service-cidr range (default: 10.43.0.10)",
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Destination: &ServerConfig.ClusterDNS,
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Value: "",
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},
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cli.StringFlag{
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Name: "cluster-domain",
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Usage: "(networking) Cluster Domain",
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Destination: &ServerConfig.ClusterDomain,
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Value: "cluster.local",
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},
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cli.StringFlag{
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Name: "flannel-backend",
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Usage: "(networking) One of 'none', 'vxlan', 'ipsec', 'host-gw', or 'wireguard'",
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Destination: &ServerConfig.FlannelBackend,
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Value: "vxlan",
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},
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cli.StringFlag{
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Name: "token,t",
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Usage: "(cluster) Shared secret used to join a server or agent to a cluster",
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Destination: &ServerConfig.Token,
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EnvVar: version.ProgramUpper + "_TOKEN",
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},
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cli.StringFlag{
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Name: "token-file",
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Usage: "(cluster) File containing the cluster-secret/token",
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Destination: &ServerConfig.TokenFile,
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EnvVar: version.ProgramUpper + "_TOKEN_FILE",
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},
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cli.StringFlag{
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Name: "write-kubeconfig,o",
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Usage: "(client) Write kubeconfig for admin client to this file",
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Destination: &ServerConfig.KubeConfigOutput,
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EnvVar: version.ProgramUpper + "_KUBECONFIG_OUTPUT",
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},
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cli.StringFlag{
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Name: "write-kubeconfig-mode",
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Usage: "(client) Write kubeconfig with this mode",
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Destination: &ServerConfig.KubeConfigMode,
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EnvVar: version.ProgramUpper + "_KUBECONFIG_MODE",
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},
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cli.StringSliceFlag{
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Name: "kube-apiserver-arg",
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Usage: "(flags) Customized flag for kube-apiserver process",
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Value: &ServerConfig.ExtraAPIArgs,
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},
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cli.StringSliceFlag{
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Name: "kube-scheduler-arg",
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Usage: "(flags) Customized flag for kube-scheduler process",
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Value: &ServerConfig.ExtraSchedulerArgs,
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},
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cli.StringSliceFlag{
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Name: "kube-controller-manager-arg",
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Usage: "(flags) Customized flag for kube-controller-manager process",
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Value: &ServerConfig.ExtraControllerArgs,
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},
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cli.StringSliceFlag{
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Name: "kube-cloud-controller-manager-arg",
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Usage: "(flags) Customized flag for kube-cloud-controller-manager process",
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Value: &ServerConfig.ExtraCloudControllerArgs,
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},
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cli.StringFlag{
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Name: "datastore-endpoint",
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Usage: "(db) Specify etcd, Mysql, Postgres, or Sqlite (default) data source name",
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Destination: &ServerConfig.DatastoreEndpoint,
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EnvVar: version.ProgramUpper + "_DATASTORE_ENDPOINT",
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},
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cli.StringFlag{
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Name: "datastore-cafile",
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Usage: "(db) TLS Certificate Authority file used to secure datastore backend communication",
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Destination: &ServerConfig.DatastoreCAFile,
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EnvVar: version.ProgramUpper + "_DATASTORE_CAFILE",
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},
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cli.StringFlag{
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Name: "datastore-certfile",
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Usage: "(db) TLS certification file used to secure datastore backend communication",
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Destination: &ServerConfig.DatastoreCertFile,
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EnvVar: version.ProgramUpper + "_DATASTORE_CERTFILE",
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},
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cli.StringFlag{
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Name: "datastore-keyfile",
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Usage: "(db) TLS key file used to secure datastore backend communication",
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Destination: &ServerConfig.DatastoreKeyFile,
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EnvVar: version.ProgramUpper + "_DATASTORE_KEYFILE",
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},
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&cli.BoolFlag{
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Name: "etcd-expose-metrics",
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Usage: "(db) Expose etcd metrics to client interface. (Default false)",
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Destination: &ServerConfig.EtcdExposeMetrics,
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},
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&cli.BoolFlag{
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Name: "etcd-disable-snapshots",
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Usage: "(db) Disable automatic etcd snapshots",
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Destination: &ServerConfig.EtcdDisableSnapshots,
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},
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&cli.StringFlag{
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Name: "etcd-snapshot-name",
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Usage: "(db) Set the base name of etcd snapshots. Default: etcd-snapshot-<unix-timestamp>",
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Destination: &ServerConfig.EtcdSnapshotName,
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Value: "etcd-snapshot",
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},
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&cli.StringFlag{
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Name: "etcd-snapshot-schedule-cron",
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Usage: "(db) Snapshot interval time in cron spec. eg. every 5 hours '* */5 * * *'",
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Destination: &ServerConfig.EtcdSnapshotCron,
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Value: "0 */12 * * *",
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},
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&cli.IntFlag{
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Name: "etcd-snapshot-retention",
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Usage: "(db) Number of snapshots to retain",
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Destination: &ServerConfig.EtcdSnapshotRetention,
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Value: defaultSnapshotRentention,
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},
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&cli.StringFlag{
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Name: "etcd-snapshot-dir",
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Usage: "(db) Directory to save db snapshots. (Default location: ${data-dir}/db/snapshots)",
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Destination: &ServerConfig.EtcdSnapshotDir,
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},
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&cli.BoolFlag{
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Name: "etcd-s3",
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Usage: "(db) Enable backup to S3",
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Destination: &ServerConfig.EtcdS3,
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},
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&cli.StringFlag{
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Name: "etcd-s3-endpoint",
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Usage: "(db) S3 endpoint url",
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Destination: &ServerConfig.EtcdS3Endpoint,
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Value: "s3.amazonaws.com",
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},
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&cli.StringFlag{
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Name: "etcd-s3-endpoint-ca",
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Usage: "(db) S3 custom CA cert to connect to S3 endpoint",
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Destination: &ServerConfig.EtcdS3EndpointCA,
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},
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&cli.BoolFlag{
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Name: "etcd-s3-skip-ssl-verify",
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Usage: "(db) Disables S3 SSL certificate validation",
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Destination: &ServerConfig.EtcdS3SkipSSLVerify,
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},
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&cli.StringFlag{
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Name: "etcd-s3-access-key",
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Usage: "(db) S3 access key",
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EnvVar: "AWS_ACCESS_KEY_ID",
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Destination: &ServerConfig.EtcdS3AccessKey,
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},
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&cli.StringFlag{
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Name: "etcd-s3-secret-key",
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Usage: "(db) S3 secret key",
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EnvVar: "AWS_SECRET_ACCESS_KEY",
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Destination: &ServerConfig.EtcdS3SecretKey,
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},
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&cli.StringFlag{
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Name: "etcd-s3-bucket",
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Usage: "(db) S3 bucket name",
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Destination: &ServerConfig.EtcdS3BucketName,
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},
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&cli.StringFlag{
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Name: "etcd-s3-region",
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Usage: "(db) S3 region / bucket location (optional)",
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Destination: &ServerConfig.EtcdS3Region,
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Value: "us-east-1",
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},
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&cli.StringFlag{
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Name: "etcd-s3-folder",
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Usage: "(db) S3 folder",
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Destination: &ServerConfig.EtcdS3Folder,
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},
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cli.StringFlag{
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Name: "default-local-storage-path",
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Usage: "(storage) Default local storage path for local provisioner storage class",
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Destination: &ServerConfig.DefaultLocalStoragePath,
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},
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cli.StringSliceFlag{
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Name: "disable",
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Usage: "(components) Do not deploy packaged components and delete any deployed components (valid items: " + DisableItems + ")",
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},
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cli.BoolFlag{
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Name: "disable-scheduler",
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Usage: "(components) Disable Kubernetes default scheduler",
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Destination: &ServerConfig.DisableScheduler,
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},
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cli.BoolFlag{
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Name: "disable-cloud-controller",
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Usage: "(components) Disable " + version.Program + " default cloud controller manager",
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Destination: &ServerConfig.DisableCCM,
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},
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cli.BoolFlag{
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Name: "disable-kube-proxy",
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Usage: "(components) Disable running kube-proxy",
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Destination: &ServerConfig.DisableKubeProxy,
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},
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cli.BoolFlag{
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Name: "disable-network-policy",
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Usage: "(components) Disable " + version.Program + " default network policy controller",
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Destination: &ServerConfig.DisableNPC,
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},
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cli.BoolFlag{
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Name: "disable-api-server",
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Usage: "(experimental/components) Disable running api server",
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Destination: &ServerConfig.DisableAPIServer,
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},
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cli.BoolFlag{
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Name: "disable-controller-manager",
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Usage: "(experimental/components) Disable running kube-controller-manager",
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Destination: &ServerConfig.DisableControllerManager,
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},
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cli.BoolFlag{
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Name: "disable-etcd",
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Usage: "(experimental/components) Disable running etcd",
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Destination: &ServerConfig.DisableETCD,
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},
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NodeNameFlag,
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WithNodeIDFlag,
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NodeLabels,
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NodeTaints,
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DockerFlag,
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CRIEndpointFlag,
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PauseImageFlag,
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SnapshotterFlag,
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PrivateRegistryFlag,
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AirgapExtraRegistryFlag,
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NodeIPFlag,
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NodeExternalIPFlag,
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ResolvConfFlag,
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FlannelIfaceFlag,
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FlannelConfFlag,
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ExtraKubeletArgs,
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ExtraKubeProxyArgs,
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ProtectKernelDefaultsFlag,
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cli.BoolFlag{
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Name: "rootless",
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Usage: "(experimental) Run rootless",
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Destination: &ServerConfig.Rootless,
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},
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cli.StringFlag{
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Name: "agent-token",
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Usage: "(experimental/cluster) Shared secret used to join agents to the cluster, but not servers",
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Destination: &ServerConfig.AgentToken,
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EnvVar: version.ProgramUpper + "_AGENT_TOKEN",
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},
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cli.StringFlag{
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Name: "agent-token-file",
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Usage: "(experimental/cluster) File containing the agent secret",
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Destination: &ServerConfig.AgentTokenFile,
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EnvVar: version.ProgramUpper + "_AGENT_TOKEN_FILE",
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},
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cli.StringFlag{
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Name: "server,s",
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Hidden: hideClusterFlags,
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Usage: "(experimental/cluster) Server to connect to, used to join a cluster",
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EnvVar: version.ProgramUpper + "_URL",
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Destination: &ServerConfig.ServerURL,
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},
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cli.BoolFlag{
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Name: "cluster-init",
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Hidden: hideClusterFlags,
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Usage: "(experimental/cluster) Initialize a new cluster using embedded Etcd",
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EnvVar: version.ProgramUpper + "_CLUSTER_INIT",
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Destination: &ServerConfig.ClusterInit,
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},
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cli.BoolFlag{
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Name: "cluster-reset",
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Hidden: hideClusterFlags,
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Usage: "(experimental/cluster) Forget all peers and become sole member of a new cluster",
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EnvVar: version.ProgramUpper + "_CLUSTER_RESET",
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Destination: &ServerConfig.ClusterReset,
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},
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&cli.StringFlag{
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Name: "cluster-reset-restore-path",
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Usage: "(db) Path to snapshot file to be restored",
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Destination: &ServerConfig.ClusterResetRestorePath,
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},
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cli.BoolFlag{
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Name: "secrets-encryption",
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Usage: "(experimental) Enable Secret encryption at rest",
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Destination: &ServerConfig.EncryptSecrets,
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},
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&SELinuxFlag,
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// Hidden/Deprecated flags below
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&DisableSELinuxFlag,
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FlannelFlag,
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cli.StringSliceFlag{
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Name: "no-deploy",
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Usage: "(deprecated) Do not deploy packaged components (valid items: " + DisableItems + ")",
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},
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cli.StringFlag{
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Name: "cluster-secret",
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Usage: "(deprecated) use --token",
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Destination: &ServerConfig.ClusterSecret,
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EnvVar: version.ProgramUpper + "_CLUSTER_SECRET",
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},
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cli.BoolFlag{
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Name: "disable-agent",
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Usage: "Do not run a local agent and register a local kubelet",
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Hidden: true,
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Destination: &ServerConfig.DisableAgent,
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},
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cli.StringSliceFlag{
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Hidden: true,
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Name: "kube-controller-arg",
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Usage: "(flags) Customized flag for kube-controller-manager process",
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Value: &ServerConfig.ExtraControllerArgs,
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},
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cli.StringSliceFlag{
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Hidden: true,
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Name: "kube-cloud-controller-arg",
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Usage: "(flags) Customized flag for kube-cloud-controller-manager process",
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Value: &ServerConfig.ExtraCloudControllerArgs,
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},
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},
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}
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}
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