94 lines
2.2 KiB
Go
94 lines
2.2 KiB
Go
// +build linux,!remote
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package system
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import (
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"context"
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"net"
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"os"
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"path/filepath"
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"strings"
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api "github.com/containers/podman/v3/pkg/api/server"
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"github.com/containers/podman/v3/pkg/domain/entities"
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"github.com/containers/podman/v3/pkg/domain/infra"
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"github.com/containers/podman/v3/pkg/servicereaper"
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"github.com/containers/podman/v3/pkg/util"
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"github.com/pkg/errors"
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"github.com/sirupsen/logrus"
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"github.com/spf13/pflag"
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"golang.org/x/sys/unix"
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)
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func restService(opts entities.ServiceOptions, flags *pflag.FlagSet, cfg *entities.PodmanConfig) error {
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var (
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listener *net.Listener
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err error
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)
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if opts.URI != "" {
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fields := strings.Split(opts.URI, ":")
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if len(fields) == 1 {
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return errors.Errorf("%s is an invalid socket destination", opts.URI)
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}
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path := opts.URI
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if fields[0] == "unix" {
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if path, err = filepath.Abs(fields[1]); err != nil {
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return err
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}
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}
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util.SetSocketPath(path)
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if os.Getenv("LISTEN_FDS") != "" {
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// If it is activated by systemd, use the first LISTEN_FD (3)
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// instead of opening the socket file.
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f := os.NewFile(uintptr(3), "podman.sock")
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l, err := net.FileListener(f)
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if err != nil {
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return err
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}
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listener = &l
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} else {
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network := fields[0]
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address := strings.Join(fields[1:], ":")
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l, err := net.Listen(network, address)
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if err != nil {
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return errors.Wrapf(err, "unable to create socket")
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}
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listener = &l
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}
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}
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// Close stdin, so shortnames will not prompt
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devNullfile, err := os.Open(os.DevNull)
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if err != nil {
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return err
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}
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defer devNullfile.Close()
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if err := unix.Dup2(int(devNullfile.Fd()), int(os.Stdin.Fd())); err != nil {
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return err
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}
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rt, err := infra.GetRuntime(context.Background(), flags, cfg)
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if err != nil {
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return err
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}
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servicereaper.Start()
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infra.StartWatcher(rt)
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server, err := api.NewServerWithSettings(rt, listener, api.Options{Timeout: opts.Timeout, CorsHeaders: opts.CorsHeaders})
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if err != nil {
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return err
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}
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defer func() {
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if err := server.Shutdown(); err != nil {
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logrus.Warnf("Error when stopping API service: %s", err)
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}
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}()
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err = server.Serve()
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if listener != nil {
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_ = (*listener).Close()
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}
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return err
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}
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