k3s/pkg/agent/run.go

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2019-01-09 16:54:15 +00:00
package agent
import (
"context"
"os"
"path/filepath"
"time"
"github.com/sirupsen/logrus"
"github.com/rancher/k3s/pkg/agent/config"
"github.com/rancher/k3s/pkg/agent/containerd"
"github.com/rancher/k3s/pkg/agent/flannel"
"github.com/rancher/k3s/pkg/agent/proxy"
"github.com/rancher/k3s/pkg/agent/syssetup"
"github.com/rancher/k3s/pkg/agent/tunnel"
"github.com/rancher/k3s/pkg/cli/cmds"
"github.com/rancher/k3s/pkg/daemons/agent"
"github.com/rancher/norman/pkg/clientaccess"
)
func run(ctx context.Context, cfg cmds.Agent) error {
nodeConfig := config.Get(ctx, cfg)
if !nodeConfig.NoFlannel {
if err := flannel.Prepare(ctx, nodeConfig); err != nil {
return err
}
}
if nodeConfig.Docker {
nodeConfig.AgentConfig.RuntimeSocket = ""
} else {
if err := containerd.Run(ctx, nodeConfig); err != nil {
return err
}
}
if err := syssetup.Configure(); err != nil {
return err
}
if err := tunnel.Setup(nodeConfig); err != nil {
return err
}
if err := proxy.Run(nodeConfig); err != nil {
return err
}
if err := agent.Agent(&nodeConfig.AgentConfig); err != nil {
return err
}
if !nodeConfig.NoFlannel {
if err := flannel.Run(ctx, nodeConfig); err != nil {
return err
}
}
<-ctx.Done()
return ctx.Err()
}
func Run(ctx context.Context, cfg cmds.Agent) error {
cfg.DataDir = filepath.Join(cfg.DataDir, "agent")
for {
tmpFile, err := clientaccess.AgentAccessInfoToTempKubeConfig("", cfg.ServerURL, cfg.Token)
if err != nil {
logrus.Error(err)
select {
case <-ctx.Done():
return ctx.Err()
case <-time.After(2 * time.Second):
}
continue
}
os.Remove(tmpFile)
break
}
os.MkdirAll(cfg.DataDir, 0700)
return run(ctx, cfg)
}