mirror of https://github.com/docker/compose.git
89 lines
1.8 KiB
Go
89 lines
1.8 KiB
Go
package cmd
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import (
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"context"
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"net"
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cliv1 "github.com/docker/api/cli/v1"
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containersv1 "github.com/docker/api/containers/v1"
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"github.com/docker/api/context/store"
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"github.com/docker/api/server"
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"github.com/docker/api/server/proxy"
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"github.com/pkg/errors"
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"github.com/sirupsen/logrus"
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"github.com/spf13/cobra"
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)
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type serveOpts struct {
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address string
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}
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func ServeCommand() *cobra.Command {
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var opts serveOpts
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cmd := &cobra.Command{
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Use: "serve",
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Short: "Start an api server",
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RunE: func(cmd *cobra.Command, args []string) error {
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return runServe(cmd.Context(), opts)
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},
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}
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cmd.Flags().StringVar(&opts.address, "address", "", "The address to listen to")
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return cmd
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}
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func runServe(ctx context.Context, opts serveOpts) error {
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s := server.New()
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listener, err := net.Listen("unix", opts.address)
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if err != nil {
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return errors.Wrap(err, "listen unix socket")
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}
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defer listener.Close()
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p := proxy.NewContainerApi()
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containersv1.RegisterContainersServer(s, p)
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cliv1.RegisterCliServer(s, &cliServer{
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ctx,
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})
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go func() {
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<-ctx.Done()
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logrus.Info("stopping server")
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s.Stop()
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}()
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logrus.WithField("address", opts.address).Info("serving daemon API")
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// start the GRPC server to serve on the listener
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return s.Serve(listener)
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}
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type cliServer struct {
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ctx context.Context
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}
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func (cs *cliServer) Contexts(ctx context.Context, request *cliv1.ContextsRequest) (*cliv1.ContextsResponse, error) {
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s, err := store.New()
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if err != nil {
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logrus.Error(err)
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return &cliv1.ContextsResponse{}, err
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}
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contexts, err := s.List()
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if err != nil {
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logrus.Error(err)
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return &cliv1.ContextsResponse{}, err
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}
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result := &cliv1.ContextsResponse{}
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for _, c := range contexts {
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result.Contexts = append(result.Contexts, &cliv1.Context{
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Name: c.Name,
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ContextType: c.Metadata.Type,
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})
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}
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return result, nil
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}
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