set environment variable and create config for crictl

Signed-off-by: Brian Downs <brian.downs@gmail.com>
This commit is contained in:
Brian Downs 2020-06-24 14:16:44 -07:00
parent 63dbf806df
commit 58aae57e12
2 changed files with 35 additions and 4 deletions

View File

@ -40,6 +40,9 @@ func main() {
}
func runCLIs() bool {
if os.Getenv("CRI_CONFIG_FILE") == "" {
os.Setenv("CRI_CONFIG_FILE", datadir.DefaultDataDir+"/agent/etc/crictl.yaml")
}
for _, cmd := range []string{"kubectl", "ctr", "crictl"} {
if filepath.Base(os.Args[0]) == cmd {
if err := externalCLI(cmd, "", os.Args[1:]); err != nil {

View File

@ -21,6 +21,7 @@ import (
"github.com/rancher/k3s/pkg/clientaccess"
"github.com/rancher/k3s/pkg/daemons/agent"
daemonconfig "github.com/rancher/k3s/pkg/daemons/config"
"github.com/rancher/k3s/pkg/datadir"
"github.com/rancher/k3s/pkg/nodeconfig"
"github.com/rancher/k3s/pkg/rootless"
"github.com/rancher/k3s/pkg/version"
@ -39,13 +40,40 @@ var (
HostnameLabel = version.Program + ".io/hostname"
)
const (
dockershimSock = "unix:///var/run/dockershim.sock"
containerdSock = "unix:///run/k3s/containerd/containerd.sock"
)
// setupCriCtlConfig creates the crictl config file and populates it
// with the given data from config.
func setupCriCtlConfig(cfg cmds.Agent, nodeConfig *daemonconfig.Node) error {
cre := nodeConfig.ContainerRuntimeEndpoint
if cre == "" {
switch {
case cfg.Docker:
cre = dockershimSock
default:
cre = containerdSock
}
}
agentConfDir := datadir.DefaultDataDir + "/agent/etc"
if _, err := os.Stat(agentConfDir); os.IsNotExist(err) {
if err := os.MkdirAll(agentConfDir, 0755); err != nil {
return err
}
}
crp := "runtime-endpoint: " + cre + "\n"
return ioutil.WriteFile(agentConfDir+"/crictl.yaml", []byte(crp), 0600)
}
func run(ctx context.Context, cfg cmds.Agent, proxy proxy.Proxy) error {
nodeConfig := config.Get(ctx, cfg, proxy)
if cfg.Docker {
if err := os.Symlink("/var/run/dockershim.sock", "/run/k3s/containerd/containerd.sock"); err != nil {
return err
}
if err := setupCriCtlConfig(cfg, nodeConfig); err != nil {
return err
}
if !nodeConfig.NoFlannel {