kubekey/cluster/preinstall/initOS.go
2020-04-21 18:25:31 +08:00

48 lines
1.5 KiB
Go

package preinstall
import (
"encoding/base64"
"fmt"
kubekeyapi "github.com/pixiake/kubekey/apis/v1alpha1"
"github.com/pixiake/kubekey/cluster/preinstall/tmpl"
"github.com/pixiake/kubekey/util/manager"
"github.com/pixiake/kubekey/util/ssh"
"github.com/pkg/errors"
)
func InitOS(mgr *manager.Manager) error {
mgr.Logger.Infoln("Initialize operating system")
return mgr.RunTaskOnAllNodes(initOsOnNode, false)
}
func initOsOnNode(mgr *manager.Manager, node *kubekeyapi.HostCfg, conn ssh.Connection) error {
tmpDir := "/tmp/kubekey"
_, err := mgr.Runner.RunCmd(fmt.Sprintf("mkdir -p %s", tmpDir))
if err != nil {
return errors.Wrap(errors.WithStack(err), "failed to init operating system")
}
_, err1 := mgr.Runner.RunCmd(fmt.Sprintf("sudo -E /bin/sh -c \"hostnamectl set-hostname %s && sed -i '/^127.0.1.1/s/.*/127.0.1.1 %s/g' /etc/hosts\"", node.HostName, node.HostName))
if err1 != nil {
return errors.Wrap(errors.WithStack(err1), "failed to override hostname")
}
initOsScript, err2 := tmpl.InitOsScript(mgr.Cluster)
if err2 != nil {
return err2
}
str := base64.StdEncoding.EncodeToString([]byte(initOsScript))
_, err3 := mgr.Runner.RunCmd(fmt.Sprintf("echo %s | base64 -d > %s/initOS.sh && chmod +x %s/initOS.sh", str, tmpDir, tmpDir))
if err3 != nil {
return errors.Wrap(errors.WithStack(err3), "failed to init operating system")
}
_, err4 := mgr.Runner.RunCmd(fmt.Sprintf("sudo %s/initOS.sh", tmpDir))
if err4 != nil {
return errors.Wrap(errors.WithStack(err4), "failed to init operating system")
}
return nil
}