diff options
Diffstat (limited to 'libpod/oci_conmon_linux.go')
| -rw-r--r-- | libpod/oci_conmon_linux.go | 62 |
1 files changed, 50 insertions, 12 deletions
diff --git a/libpod/oci_conmon_linux.go b/libpod/oci_conmon_linux.go index e7cb5a802..70896cda4 100644 --- a/libpod/oci_conmon_linux.go +++ b/libpod/oci_conmon_linux.go @@ -22,6 +22,7 @@ import ( "text/template" "time" + "github.com/containers/common/pkg/capabilities" "github.com/containers/common/pkg/config" conmonConfig "github.com/containers/conmon/runner/config" "github.com/containers/podman/v2/libpod/define" @@ -528,13 +529,12 @@ func (r *ConmonOCIRuntime) HTTPAttach(ctr *Container, req *http.Request, w http. if err != nil { return err } - socketPath := buildSocketPath(attachSock) var conn *net.UnixConn if streamAttach { - newConn, err := net.DialUnix("unixpacket", nil, &net.UnixAddr{Name: socketPath, Net: "unixpacket"}) + newConn, err := openUnixSocket(attachSock) if err != nil { - return errors.Wrapf(err, "failed to connect to container's attach socket: %v", socketPath) + return errors.Wrapf(err, "failed to connect to container's attach socket: %v", attachSock) } conn = newConn defer func() { @@ -543,7 +543,7 @@ func (r *ConmonOCIRuntime) HTTPAttach(ctr *Container, req *http.Request, w http. } }() - logrus.Debugf("Successfully connected to container %s attach socket %s", ctr.ID(), socketPath) + logrus.Debugf("Successfully connected to container %s attach socket %s", ctr.ID(), attachSock) } detachString := ctr.runtime.config.Engine.DetachKeys @@ -768,10 +768,14 @@ func (r *ConmonOCIRuntime) CheckpointContainer(ctr *Container, options Container } // imagePath is used by CRIU to store the actual checkpoint files imagePath := ctr.CheckpointPath() + if options.PreCheckPoint { + imagePath = ctr.PreCheckPointPath() + } // workPath will be used to store dump.log and stats-dump workPath := ctr.bundlePath() logrus.Debugf("Writing checkpoint to %s", imagePath) logrus.Debugf("Writing checkpoint logs to %s", workPath) + logrus.Debugf("Pre-dump the container %t", options.PreCheckPoint) args := []string{} args = append(args, r.runtimeFlags...) args = append(args, "checkpoint") @@ -785,6 +789,15 @@ func (r *ConmonOCIRuntime) CheckpointContainer(ctr *Container, options Container if options.TCPEstablished { args = append(args, "--tcp-established") } + if !options.PreCheckPoint && options.KeepRunning { + args = append(args, "--leave-running") + } + if options.PreCheckPoint { + args = append(args, "--pre-dump") + } + if !options.PreCheckPoint && options.WithPrevious { + args = append(args, "--parent-path", ctr.PreCheckPointPath()) + } runtimeDir, err := util.GetRuntimeDir() if err != nil { return err @@ -793,6 +806,7 @@ func (r *ConmonOCIRuntime) CheckpointContainer(ctr *Container, options Container return errors.Wrapf(err, "cannot set XDG_RUNTIME_DIR") } args = append(args, ctr.ID()) + logrus.Debugf("the args to checkpoint: %s %s", r.path, strings.Join(args, " ")) return utils.ExecCmdWithStdStreams(os.Stdin, os.Stdout, os.Stderr, nil, r.path, args...) } @@ -1201,13 +1215,7 @@ func prepareProcessExec(c *Container, options *ExecOptions, env []string, sessio } pspec.SelinuxLabel = c.config.ProcessLabel pspec.Args = options.Cmd - for _, cap := range options.CapAdd { - pspec.Capabilities.Bounding = append(pspec.Capabilities.Bounding, cap) - pspec.Capabilities.Effective = append(pspec.Capabilities.Effective, cap) - pspec.Capabilities.Inheritable = append(pspec.Capabilities.Inheritable, cap) - pspec.Capabilities.Permitted = append(pspec.Capabilities.Permitted, cap) - pspec.Capabilities.Ambient = append(pspec.Capabilities.Ambient, cap) - } + // We need to default this to false else it will inherit terminal as true // from the container. pspec.Terminal = false @@ -1263,6 +1271,31 @@ func prepareProcessExec(c *Container, options *ExecOptions, env []string, sessio pspec.User = processUser } + ctrSpec, err := c.specFromState() + if err != nil { + return nil, err + } + + allCaps := capabilities.AllCapabilities() + if options.Privileged { + pspec.Capabilities.Bounding = allCaps + } else { + pspec.Capabilities.Bounding = ctrSpec.Process.Capabilities.Bounding + } + if execUser.Uid == 0 { + pspec.Capabilities.Effective = pspec.Capabilities.Bounding + pspec.Capabilities.Inheritable = pspec.Capabilities.Bounding + pspec.Capabilities.Permitted = pspec.Capabilities.Bounding + pspec.Capabilities.Ambient = pspec.Capabilities.Bounding + } else { + if user == c.config.User { + pspec.Capabilities.Effective = ctrSpec.Process.Capabilities.Effective + pspec.Capabilities.Inheritable = ctrSpec.Process.Capabilities.Effective + pspec.Capabilities.Permitted = ctrSpec.Process.Capabilities.Effective + pspec.Capabilities.Ambient = ctrSpec.Process.Capabilities.Effective + } + } + hasHomeSet := false for _, s := range pspec.Env { if strings.HasPrefix(s, "HOME=") { @@ -1288,7 +1321,12 @@ func prepareProcessExec(c *Container, options *ExecOptions, env []string, sessio // configureConmonEnv gets the environment values to add to conmon's exec struct // TODO this may want to be less hardcoded/more configurable in the future func (r *ConmonOCIRuntime) configureConmonEnv(ctr *Container, runtimeDir string) ([]string, []*os.File) { - env := make([]string, 0, 6) + var env []string + for _, e := range os.Environ() { + if strings.HasPrefix(e, "LC_") { + env = append(env, e) + } + } env = append(env, fmt.Sprintf("XDG_RUNTIME_DIR=%s", runtimeDir)) env = append(env, fmt.Sprintf("_CONTAINERS_USERNS_CONFIGURED=%s", os.Getenv("_CONTAINERS_USERNS_CONFIGURED"))) env = append(env, fmt.Sprintf("_CONTAINERS_ROOTLESS_UID=%s", os.Getenv("_CONTAINERS_ROOTLESS_UID"))) |