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authorBrent Baude <bbaude@redhat.com>2020-04-16 12:25:26 -0500
committerBrent Baude <bbaude@redhat.com>2020-04-16 15:53:58 -0500
commit241326a9a8c20ad7f2bcf651416b836e7778e090 (patch)
tree4001e8e47a022bb1b9bfbf2332c42e1aeb802f9e /cmd/podman/system/service.go
parent88c6fd06cd54fb9a8826306dfdf1a77e400de5de (diff)
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Podman V2 birth
remote podman v1 and replace with podman v2. Signed-off-by: Brent Baude <bbaude@redhat.com>
Diffstat (limited to 'cmd/podman/system/service.go')
-rw-r--r--cmd/podman/system/service.go124
1 files changed, 124 insertions, 0 deletions
diff --git a/cmd/podman/system/service.go b/cmd/podman/system/service.go
new file mode 100644
index 000000000..fa1a33faa
--- /dev/null
+++ b/cmd/podman/system/service.go
@@ -0,0 +1,124 @@
+package system
+
+import (
+ "fmt"
+ "os"
+ "path/filepath"
+ "time"
+
+ "github.com/containers/libpod/cmd/podman/registry"
+ "github.com/containers/libpod/pkg/domain/entities"
+ "github.com/containers/libpod/pkg/rootless"
+ "github.com/containers/libpod/pkg/systemd"
+ "github.com/containers/libpod/pkg/util"
+ "github.com/sirupsen/logrus"
+ "github.com/spf13/cobra"
+)
+
+var (
+ srvDescription = `Run an API service
+
+Enable a listening service for API access to Podman commands.
+`
+
+ srvCmd = &cobra.Command{
+ Use: "service [flags] [URI]",
+ Args: cobra.MaximumNArgs(1),
+ Short: "Run API service",
+ Long: srvDescription,
+ RunE: service,
+ Example: `podman system service --time=0 unix:///tmp/podman.sock
+ podman system service --varlink --time=0 unix:///tmp/podman.sock`,
+ }
+
+ srvArgs = struct {
+ Timeout int64
+ Varlink bool
+ }{}
+)
+
+func init() {
+ registry.Commands = append(registry.Commands, registry.CliCommand{
+ Mode: []entities.EngineMode{entities.ABIMode},
+ Command: srvCmd,
+ Parent: systemCmd,
+ })
+
+ flags := srvCmd.Flags()
+ flags.Int64VarP(&srvArgs.Timeout, "time", "t", 5, "Time until the service session expires in seconds. Use 0 to disable the timeout")
+ flags.Int64Var(&srvArgs.Timeout, "timeout", 5, "Time until the service session expires in seconds. Use 0 to disable the timeout")
+ flags.BoolVar(&srvArgs.Varlink, "varlink", false, "Use legacy varlink service instead of REST")
+
+ _ = flags.MarkDeprecated("varlink", "valink API is deprecated.")
+}
+
+func service(cmd *cobra.Command, args []string) error {
+ apiURI, err := resolveApiURI(args)
+ if err != nil {
+ return err
+ }
+ logrus.Infof("using API endpoint: \"%s\"", apiURI)
+
+ opts := entities.ServiceOptions{
+ URI: apiURI,
+ Timeout: time.Duration(srvArgs.Timeout) * time.Second,
+ Command: cmd,
+ }
+
+ if srvArgs.Varlink {
+ return registry.ContainerEngine().VarlinkService(registry.GetContext(), opts)
+ }
+
+ logrus.Warn("This function is EXPERIMENTAL")
+ fmt.Fprintf(os.Stderr, "This function is EXPERIMENTAL.\n")
+ return registry.ContainerEngine().RestService(registry.GetContext(), opts)
+}
+
+func resolveApiURI(_url []string) (string, error) {
+
+ // When determining _*THE*_ listening endpoint --
+ // 1) User input wins always
+ // 2) systemd socket activation
+ // 3) rootless honors XDG_RUNTIME_DIR
+ // 4) if varlink -- adapter.DefaultVarlinkAddress
+ // 5) lastly adapter.DefaultAPIAddress
+
+ if _url == nil {
+ if v, found := os.LookupEnv("PODMAN_SOCKET"); found {
+ _url = []string{v}
+ }
+ }
+
+ switch {
+ case len(_url) > 0:
+ return _url[0], nil
+ case systemd.SocketActivated():
+ logrus.Info("using systemd socket activation to determine API endpoint")
+ return "", nil
+ case rootless.IsRootless():
+ xdg, err := util.GetRuntimeDir()
+ if err != nil {
+ return "", err
+ }
+
+ socketName := "podman.sock"
+ if srvArgs.Varlink {
+ socketName = "io.podman"
+ }
+ socketDir := filepath.Join(xdg, "podman", socketName)
+ if _, err := os.Stat(filepath.Dir(socketDir)); err != nil {
+ if os.IsNotExist(err) {
+ if err := os.Mkdir(filepath.Dir(socketDir), 0755); err != nil {
+ return "", err
+ }
+ } else {
+ return "", err
+ }
+ }
+ return "unix:" + socketDir, nil
+ case srvArgs.Varlink:
+ return registry.DefaultVarlinkAddress, nil
+ default:
+ return registry.DefaultAPIAddress, nil
+ }
+}