k3s/pkg/cli/cmds/agent.go

320 lines
11 KiB
Go

package cmds
import (
"os"
"path/filepath"
"github.com/k3s-io/k3s/pkg/version"
"github.com/urfave/cli"
)
type Agent struct {
Token string
TokenFile string
ClusterSecret string
ServerURL string
APIAddressCh chan []string
DisableLoadBalancer bool
DisableServiceLB bool
ETCDAgent bool
LBServerPort int
ResolvConf string
DataDir string
BindAddress string
NodeIP cli.StringSlice
NodeExternalIP cli.StringSlice
NodeName string
PauseImage string
Snapshotter string
Docker bool
ContainerdNoDefault bool
ContainerRuntimeEndpoint string
DefaultRuntime string
ImageServiceEndpoint string
FlannelIface string
FlannelConf string
FlannelCniConfFile string
VPNAuth string
VPNAuthFile string
Debug bool
EnablePProf bool
Rootless bool
RootlessAlreadyUnshared bool
WithNodeID bool
EnableSELinux bool
ProtectKernelDefaults bool
ClusterReset bool
PrivateRegistry string
SystemDefaultRegistry string
AirgapExtraRegistry cli.StringSlice
ExtraKubeletArgs cli.StringSlice
ExtraKubeProxyArgs cli.StringSlice
Labels cli.StringSlice
Taints cli.StringSlice
ImageCredProvBinDir string
ImageCredProvConfig string
ContainerRuntimeReady chan<- struct{}
AgentShared
}
type AgentShared struct {
NodeIP string
}
var (
appName = filepath.Base(os.Args[0])
AgentConfig Agent
AgentTokenFlag = &cli.StringFlag{
Name: "token,t",
Usage: "(cluster) Token to use for authentication",
EnvVar: version.ProgramUpper + "_TOKEN",
Destination: &AgentConfig.Token,
}
NodeIPFlag = &cli.StringSliceFlag{
Name: "node-ip,i",
Usage: "(agent/networking) IPv4/IPv6 addresses to advertise for node",
Value: &AgentConfig.NodeIP,
}
NodeExternalIPFlag = &cli.StringSliceFlag{
Name: "node-external-ip",
Usage: "(agent/networking) IPv4/IPv6 external IP addresses to advertise for node",
Value: &AgentConfig.NodeExternalIP,
}
NodeNameFlag = &cli.StringFlag{
Name: "node-name",
Usage: "(agent/node) Node name",
EnvVar: version.ProgramUpper + "_NODE_NAME",
Destination: &AgentConfig.NodeName,
}
WithNodeIDFlag = &cli.BoolFlag{
Name: "with-node-id",
Usage: "(agent/node) Append id to node name",
Destination: &AgentConfig.WithNodeID,
}
ProtectKernelDefaultsFlag = &cli.BoolFlag{
Name: "protect-kernel-defaults",
Usage: "(agent/node) Kernel tuning behavior. If set, error if kernel tunables are different than kubelet defaults.",
Destination: &AgentConfig.ProtectKernelDefaults,
}
SELinuxFlag = &cli.BoolFlag{
Name: "selinux",
Usage: "(agent/node) Enable SELinux in containerd",
Destination: &AgentConfig.EnableSELinux,
EnvVar: version.ProgramUpper + "_SELINUX",
}
LBServerPortFlag = &cli.IntFlag{
Name: "lb-server-port",
Usage: "(agent/node) Local port for supervisor client load-balancer. If the supervisor and apiserver are not colocated an additional port 1 less than this port will also be used for the apiserver client load-balancer.",
Destination: &AgentConfig.LBServerPort,
EnvVar: version.ProgramUpper + "_LB_SERVER_PORT",
Value: 6444,
}
DockerFlag = &cli.BoolFlag{
Name: "docker",
Usage: "(agent/runtime) (experimental) Use cri-dockerd instead of containerd",
Destination: &AgentConfig.Docker,
}
CRIEndpointFlag = &cli.StringFlag{
Name: "container-runtime-endpoint",
Usage: "(agent/runtime) Disable embedded containerd and use the CRI socket at the given path; when used with --docker this sets the docker socket path",
Destination: &AgentConfig.ContainerRuntimeEndpoint,
}
DefaultRuntimeFlag = &cli.StringFlag{
Name: "default-runtime",
Usage: "(agent/runtime) Set the default runtime in containerd",
Destination: &AgentConfig.DefaultRuntime,
}
ImageServiceEndpointFlag = &cli.StringFlag{
Name: "image-service-endpoint",
Usage: "(agent/runtime) Disable embedded containerd image service and use remote image service socket at the given path. If not specified, defaults to --container-runtime-endpoint.",
Destination: &AgentConfig.ImageServiceEndpoint,
}
PrivateRegistryFlag = &cli.StringFlag{
Name: "private-registry",
Usage: "(agent/runtime) Private registry configuration file",
Destination: &AgentConfig.PrivateRegistry,
Value: "/etc/rancher/" + version.Program + "/registries.yaml",
}
AirgapExtraRegistryFlag = &cli.StringSliceFlag{
Name: "airgap-extra-registry",
Usage: "(agent/runtime) Additional registry to tag airgap images as being sourced from",
Value: &AgentConfig.AirgapExtraRegistry,
Hidden: true,
}
PauseImageFlag = &cli.StringFlag{
Name: "pause-image",
Usage: "(agent/runtime) Customized pause image for containerd or docker sandbox",
Destination: &AgentConfig.PauseImage,
Value: DefaultPauseImage,
}
SnapshotterFlag = &cli.StringFlag{
Name: "snapshotter",
Usage: "(agent/runtime) Override default containerd snapshotter",
Destination: &AgentConfig.Snapshotter,
Value: DefaultSnapshotter,
}
FlannelIfaceFlag = &cli.StringFlag{
Name: "flannel-iface",
Usage: "(agent/networking) Override default flannel interface",
Destination: &AgentConfig.FlannelIface,
}
FlannelConfFlag = &cli.StringFlag{
Name: "flannel-conf",
Usage: "(agent/networking) Override default flannel config file",
Destination: &AgentConfig.FlannelConf,
}
FlannelCniConfFileFlag = &cli.StringFlag{
Name: "flannel-cni-conf",
Usage: "(agent/networking) Override default flannel cni config file",
Destination: &AgentConfig.FlannelCniConfFile,
}
VPNAuth = &cli.StringFlag{
Name: "vpn-auth",
Usage: "(agent/networking) (experimental) Credentials for the VPN provider. It must include the provider name and join key in the format name=<vpn-provider>,joinKey=<key>[,controlServerURL=<url>][,extraArgs=<args>]",
EnvVar: version.ProgramUpper + "_VPN_AUTH",
Destination: &AgentConfig.VPNAuth,
}
VPNAuthFile = &cli.StringFlag{
Name: "vpn-auth-file",
Usage: "(agent/networking) (experimental) File containing credentials for the VPN provider. It must include the provider name and join key in the format name=<vpn-provider>,joinKey=<key>[,controlServerURL=<url>][,extraArgs=<args>]",
EnvVar: version.ProgramUpper + "_VPN_AUTH_FILE",
Destination: &AgentConfig.VPNAuthFile,
}
ResolvConfFlag = &cli.StringFlag{
Name: "resolv-conf",
Usage: "(agent/networking) Kubelet resolv.conf file",
EnvVar: version.ProgramUpper + "_RESOLV_CONF",
Destination: &AgentConfig.ResolvConf,
}
ExtraKubeletArgs = &cli.StringSliceFlag{
Name: "kubelet-arg",
Usage: "(agent/flags) Customized flag for kubelet process",
Value: &AgentConfig.ExtraKubeletArgs,
}
ExtraKubeProxyArgs = &cli.StringSliceFlag{
Name: "kube-proxy-arg",
Usage: "(agent/flags) Customized flag for kube-proxy process",
Value: &AgentConfig.ExtraKubeProxyArgs,
}
NodeTaints = &cli.StringSliceFlag{
Name: "node-taint",
Usage: "(agent/node) Registering kubelet with set of taints",
Value: &AgentConfig.Taints,
}
NodeLabels = &cli.StringSliceFlag{
Name: "node-label",
Usage: "(agent/node) Registering and starting kubelet with set of labels",
Value: &AgentConfig.Labels,
}
ImageCredProvBinDirFlag = &cli.StringFlag{
Name: "image-credential-provider-bin-dir",
Usage: "(agent/node) The path to the directory where credential provider plugin binaries are located",
Destination: &AgentConfig.ImageCredProvBinDir,
Value: "/var/lib/rancher/credentialprovider/bin",
}
ImageCredProvConfigFlag = &cli.StringFlag{
Name: "image-credential-provider-config",
Usage: "(agent/node) The path to the credential provider plugin config file",
Destination: &AgentConfig.ImageCredProvConfig,
Value: "/var/lib/rancher/credentialprovider/config.yaml",
}
DisableAgentLBFlag = &cli.BoolFlag{
Name: "disable-apiserver-lb",
Usage: "(agent/networking) (experimental) Disable the agent's client-side load-balancer and connect directly to the configured server address",
Destination: &AgentConfig.DisableLoadBalancer,
}
DisableDefaultRegistryEndpointFlag = &cli.BoolFlag{
Name: "disable-default-registry-endpoint",
Usage: "(agent/containerd) Disables containerd's fallback default registry endpoint when a mirror is configured for that registry",
Destination: &AgentConfig.ContainerdNoDefault,
}
EnablePProfFlag = &cli.BoolFlag{
Name: "enable-pprof",
Usage: "(experimental) Enable pprof endpoint on supervisor port",
Destination: &AgentConfig.EnablePProf,
}
BindAddressFlag = &cli.StringFlag{
Name: "bind-address",
Usage: "(listener) " + version.Program + " bind address (default: 0.0.0.0)",
Destination: &AgentConfig.BindAddress,
}
)
func NewAgentCommand(action func(ctx *cli.Context) error) cli.Command {
return cli.Command{
Name: "agent",
Usage: "Run node agent",
UsageText: appName + " agent [OPTIONS]",
Action: action,
Flags: []cli.Flag{
ConfigFlag,
DebugFlag,
VLevel,
VModule,
LogFile,
AlsoLogToStderr,
AgentTokenFlag,
&cli.StringFlag{
Name: "token-file",
Usage: "(cluster) Token file to use for authentication",
EnvVar: version.ProgramUpper + "_TOKEN_FILE",
Destination: &AgentConfig.TokenFile,
},
&cli.StringFlag{
Name: "server,s",
Usage: "(cluster) Server to connect to",
EnvVar: version.ProgramUpper + "_URL",
Destination: &AgentConfig.ServerURL,
},
// Note that this is different from DataDirFlag used elswhere in the CLI,
// as this is bound to AgentConfig instead of ServerConfig.
&cli.StringFlag{
Name: "data-dir,d",
Usage: "(agent/data) Folder to hold state",
Destination: &AgentConfig.DataDir,
Value: "/var/lib/rancher/" + version.Program + "",
EnvVar: version.ProgramUpper + "_DATA_DIR",
},
NodeNameFlag,
WithNodeIDFlag,
NodeLabels,
NodeTaints,
ImageCredProvBinDirFlag,
ImageCredProvConfigFlag,
SELinuxFlag,
LBServerPortFlag,
ProtectKernelDefaultsFlag,
CRIEndpointFlag,
DefaultRuntimeFlag,
ImageServiceEndpointFlag,
PauseImageFlag,
SnapshotterFlag,
PrivateRegistryFlag,
DisableDefaultRegistryEndpointFlag,
AirgapExtraRegistryFlag,
NodeIPFlag,
BindAddressFlag,
NodeExternalIPFlag,
ResolvConfFlag,
FlannelIfaceFlag,
FlannelConfFlag,
FlannelCniConfFileFlag,
ExtraKubeletArgs,
ExtraKubeProxyArgs,
// Experimental flags
EnablePProfFlag,
&cli.BoolFlag{
Name: "rootless",
Usage: "(experimental) Run rootless",
Destination: &AgentConfig.Rootless,
},
PreferBundledBin,
// Deprecated/hidden below
DockerFlag,
VPNAuth,
VPNAuthFile,
DisableAgentLBFlag,
},
}
}