k3s/pkg/agent/containerd/config_windows.go

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// +build windows
package containerd
import (
"context"
"io/ioutil"
"os"
"time"
"github.com/rancher/k3s/pkg/agent/templates"
util2 "github.com/rancher/k3s/pkg/agent/util"
"github.com/rancher/k3s/pkg/daemons/config"
"github.com/rancher/wharfie/pkg/registries"
"github.com/sirupsen/logrus"
"google.golang.org/grpc"
runtimeapi "k8s.io/cri-api/pkg/apis/runtime/v1alpha2"
"k8s.io/kubernetes/pkg/kubelet/util"
)
func getContainerdArgs(cfg *config.Node) []string {
args := []string{
"containerd",
"-c", cfg.Containerd.Config,
}
return args
}
// setupContainerdConfig generates the containerd.toml, using a template combined with various
// runtime configurations and registry mirror settings provided by the administrator.
func setupContainerdConfig(ctx context.Context, cfg *config.Node) error {
privRegistries, err := registries.GetPrivateRegistries(cfg.AgentConfig.PrivateRegistry)
if err != nil {
return err
}
if cfg.SELinux {
logrus.Warn("SELinux isn't supported on windows")
}
var containerdTemplate string
containerdConfig := templates.ContainerdConfig{
NodeConfig: cfg,
DisableCgroup: true,
IsRunningInUserNS: false,
PrivateRegistryConfig: privRegistries.Registry(),
}
containerdTemplateBytes, err := ioutil.ReadFile(cfg.Containerd.Template)
if err == nil {
logrus.Infof("Using containerd template at %s", cfg.Containerd.Template)
containerdTemplate = string(containerdTemplateBytes)
} else if os.IsNotExist(err) {
containerdTemplate = templates.ContainerdConfigTemplate
} else {
return err
}
parsedTemplate, err := templates.ParseTemplateFromConfig(containerdTemplate, containerdConfig)
if err != nil {
return err
}
return util2.WriteFile(cfg.Containerd.Config, parsedTemplate)
}
// criConnection connects to a CRI socket at the given path.
func CriConnection(ctx context.Context, address string) (*grpc.ClientConn, error) {
addr, dialer, err := util.GetAddressAndDialer(address)
if err != nil {
return nil, err
}
conn, err := grpc.Dial(addr, grpc.WithInsecure(), grpc.WithTimeout(3*time.Second), grpc.WithContextDialer(dialer), grpc.WithDefaultCallOptions(grpc.MaxCallRecvMsgSize(maxMsgSize)))
if err != nil {
return nil, err
}
c := runtimeapi.NewRuntimeServiceClient(conn)
_, err = c.Version(ctx, &runtimeapi.VersionRequest{
Version: "0.1.0",
})
if err != nil {
conn.Close()
return nil, err
}
return conn, nil
}