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k3s/pkg/daemons/executor/executor.go

109 lines
3.1 KiB

package executor
import (
"context"
"io/ioutil"
"net/http"
"os"
"path/filepath"
"sigs.k8s.io/yaml"
"k8s.io/apiserver/pkg/authentication/authenticator"
)
var (
executor Executor
)
type Executor interface {
Kubelet(args []string) error
KubeProxy(args []string) error
APIServer(ctx context.Context, etcdReady <-chan struct{}, args []string) (authenticator.Request, http.Handler, error)
Scheduler(apiReady <-chan struct{}, args []string) error
ControllerManager(apiReady <-chan struct{}, args []string) error
CurrentETCDOptions() (InitialOptions, error)
ETCD(args ETCDConfig) error
}
type ETCDConfig struct {
InitialOptions `json:",inline"`
Name string `json:"name,omitempty"`
ListenClientURLs string `json:"listen-client-urls,omitempty"`
ListenMetricsURLs string `json:"listen-metrics-urls,omitempty"`
ListenPeerURLs string `json:"listen-peer-urls,omitempty"`
AdvertiseClientURLs string `json:"advertise-client-urls,omitempty"`
DataDir string `json:"data-dir,omitempty"`
SnapshotCount int `json:"snapshot-count,omitempty"`
ServerTrust ServerTrust `json:"client-transport-security"`
PeerTrust PeerTrust `json:"peer-transport-security"`
ForceNewCluster bool `json:"force-new-cluster,omitempty"`
HeartbeatInterval int `json:"heartbeat-interval"`
ElectionTimeout int `json:"election-timeout"`
}
type ServerTrust struct {
CertFile string `json:"cert-file"`
KeyFile string `json:"key-file"`
ClientCertAuth bool `json:"client-cert-auth"`
TrustedCAFile string `json:"trusted-ca-file"`
}
type PeerTrust struct {
CertFile string `json:"cert-file"`
KeyFile string `json:"key-file"`
ClientCertAuth bool `json:"client-cert-auth"`
TrustedCAFile string `json:"trusted-ca-file"`
}
type InitialOptions struct {
AdvertisePeerURL string `json:"initial-advertise-peer-urls,omitempty"`
Cluster string `json:"initial-cluster,omitempty"`
State string `json:"initial-cluster-state,omitempty"`
}
func (e ETCDConfig) ToConfigFile() (string, error) {
confFile := filepath.Join(e.DataDir, "config")
bytes, err := yaml.Marshal(&e)
if err != nil {
return "", err
}
if err := os.MkdirAll(e.DataDir, 0700); err != nil {
return "", err
}
return confFile, ioutil.WriteFile(confFile, bytes, 0600)
}
func Set(driver Executor) {
executor = driver
}
func Kubelet(args []string) error {
return executor.Kubelet(args)
}
func KubeProxy(args []string) error {
return executor.KubeProxy(args)
}
func APIServer(ctx context.Context, etcdReady <-chan struct{}, args []string) (authenticator.Request, http.Handler, error) {
return executor.APIServer(ctx, etcdReady, args)
}
func Scheduler(apiReady <-chan struct{}, args []string) error {
return executor.Scheduler(apiReady, args)
}
func ControllerManager(apiReady <-chan struct{}, args []string) error {
return executor.ControllerManager(apiReady, args)
}
func CurrentETCDOptions() (InitialOptions, error) {
return executor.CurrentETCDOptions()
}
func ETCD(args ETCDConfig) error {
return executor.ETCD(args)
}