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fix(galaxy): flannel_gc adapted to containerd
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,110 @@ | ||
| package docker | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "google.golang.org/grpc" | ||
| "google.golang.org/grpc/backoff" | ||
| "google.golang.org/grpc/credentials/insecure" | ||
| criapi "k8s.io/cri-api/pkg/apis/runtime/v1" | ||
| "k8s.io/klog/v2" | ||
| "net" | ||
| "net/url" | ||
| "os" | ||
| "time" | ||
| ) | ||
|
|
||
| const ( | ||
| // unixProtocol is the network protocol of unix socket. | ||
| unixProtocol = "unix" | ||
| maxMsgSize = 1024 * 1024 * 16 | ||
| maxBackoffDelay = 3 * time.Second | ||
| baseBackoffDelay = 100 * time.Millisecond | ||
| minConnectionTimeout = 5 * time.Second | ||
| ) | ||
|
|
||
| func newContainerdClient() (criapi.RuntimeServiceClient, error) { | ||
| addr, dialer, err := GetAddressAndDialer(os.Getenv("CONTAINERD_HOST")) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| ctx := context.Background() | ||
| dailCtx, cancle := context.WithTimeout(ctx, 30*time.Second) | ||
| defer cancle() | ||
|
|
||
| var dialOpts []grpc.DialOption | ||
| dialOpts = append(dialOpts, | ||
| grpc.WithTransportCredentials(insecure.NewCredentials()), | ||
| grpc.WithContextDialer(dialer), | ||
| grpc.WithDefaultCallOptions(grpc.MaxCallRecvMsgSize(maxMsgSize))) | ||
|
|
||
| connParams := grpc.ConnectParams{ | ||
| Backoff: backoff.DefaultConfig, | ||
| } | ||
| connParams.MinConnectTimeout = minConnectionTimeout | ||
| connParams.Backoff.BaseDelay = baseBackoffDelay | ||
| connParams.Backoff.MaxDelay = maxBackoffDelay | ||
| dialOpts = append(dialOpts, | ||
| grpc.WithConnectParams(connParams), | ||
| grpc.WithBlock(), | ||
| ) | ||
|
|
||
| conn, err := grpc.DialContext(dailCtx, addr, dialOpts...) | ||
| if err != nil { | ||
| klog.ErrorS(err, "Connect remote runtime failed", "address", addr) | ||
| return nil, err | ||
| } | ||
|
|
||
| runtimeClient := criapi.NewRuntimeServiceClient(conn) | ||
| return runtimeClient, nil | ||
| } | ||
|
|
||
| // GetAddressAndDialer returns the address parsed from the given endpoint and a context dialer. | ||
| func GetAddressAndDialer(endpoint string) (string, func(ctx context.Context, addr string) (net.Conn, error), error) { | ||
| protocol, addr, err := parseEndpointWithFallbackProtocol(endpoint, unixProtocol) | ||
| if err != nil { | ||
| return "", nil, err | ||
| } | ||
| if protocol != unixProtocol { | ||
| return "", nil, fmt.Errorf("only support unix socket endpoint") | ||
| } | ||
|
|
||
| return addr, dial, nil | ||
| } | ||
|
|
||
| func dial(ctx context.Context, addr string) (net.Conn, error) { | ||
| return (&net.Dialer{}).DialContext(ctx, unixProtocol, addr) | ||
| } | ||
|
|
||
| func parseEndpointWithFallbackProtocol(endpoint string, fallbackProtocol string) (protocol string, addr string, err error) { | ||
| if protocol, addr, err = parseEndpoint(endpoint); err != nil && protocol == "" { | ||
| fallbackEndpoint := fallbackProtocol + "://" + endpoint | ||
| protocol, addr, err = parseEndpoint(fallbackEndpoint) | ||
| if err == nil { | ||
| klog.InfoS("Using this endpoint is deprecated, please consider using full URL format", "endpoint", endpoint, "URL", fallbackEndpoint) | ||
| } | ||
| } | ||
| return | ||
| } | ||
|
|
||
| func parseEndpoint(endpoint string) (string, string, error) { | ||
| u, err := url.Parse(endpoint) | ||
| if err != nil { | ||
| return "", "", err | ||
| } | ||
|
|
||
| switch u.Scheme { | ||
| case "tcp": | ||
| return "tcp", u.Host, nil | ||
|
|
||
| case "unix": | ||
| return "unix", u.Path, nil | ||
|
|
||
| case "": | ||
| return "", "", fmt.Errorf("using %q as endpoint is deprecated, please consider using full url format", endpoint) | ||
|
|
||
| default: | ||
| return u.Scheme, "", fmt.Errorf("protocol %q not supported", u.Scheme) | ||
| } | ||
| } |
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