forked from kubernetes-retired/bootkube
/
start.go
65 lines (53 loc) · 1.46 KB
/
start.go
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package main
import (
"errors"
"fmt"
"net/url"
"github.com/spf13/cobra"
"k8s.io/kubernetes/pkg/util"
"github.com/coreos/bootkube/pkg/bootkube"
)
var (
cmdStart = &cobra.Command{
Use: "start",
Short: "Start the bootkube service",
Long: "",
PreRunE: validateStartOpts,
RunE: runCmdStart,
SilenceUsage: true,
}
startOpts struct {
assetDir string
etcdServer string
}
)
func init() {
cmdRoot.AddCommand(cmdStart)
cmdStart.Flags().StringVar(&startOpts.etcdServer, "etcd-server", "http://127.0.0.1:2379", "Single etcd node to use during bootkube bootstrap process.")
cmdStart.Flags().StringVar(&startOpts.assetDir, "asset-dir", "", "Path to the cluster asset directory. Expected layout genereted by the `bootkube render` command.")
}
func runCmdStart(cmd *cobra.Command, args []string) error {
etcdServer, err := url.Parse(startOpts.etcdServer)
if err != nil {
return fmt.Errorf("Invalid etcd etcdServer %q: %v", startOpts.etcdServer, err)
}
bk, err := bootkube.NewBootkube(bootkube.Config{
AssetDir: startOpts.assetDir,
EtcdServer: etcdServer,
})
if err != nil {
return err
}
util.InitLogs()
defer util.FlushLogs()
return bk.Run()
}
func validateStartOpts(cmd *cobra.Command, args []string) error {
if startOpts.etcdServer == "" {
return errors.New("missing required flag: --etcd-server")
}
if startOpts.assetDir == "" {
return errors.New("missing required flag: --asset-dir")
}
return nil
}