diff options
Diffstat (limited to 'libpod')
| -rw-r--r-- | libpod/container.go | 5 | ||||
| -rw-r--r-- | libpod/container_top_linux.go | 18 |
2 files changed, 22 insertions, 1 deletions
diff --git a/libpod/container.go b/libpod/container.go index 482af43f3..2b74a1943 100644 --- a/libpod/container.go +++ b/libpod/container.go @@ -939,6 +939,11 @@ func (c *Container) cGroupPath() (string, error) { procPath := fmt.Sprintf("/proc/%d/cgroup", c.state.PID) lines, err := ioutil.ReadFile(procPath) if err != nil { + // If the file doesn't exist, it means the container could have been terminated + // so report it. + if os.IsNotExist(err) { + return "", errors.Wrapf(define.ErrCtrStopped, "cannot get cgroup path unless container %s is running", c.ID()) + } return "", err } diff --git a/libpod/container_top_linux.go b/libpod/container_top_linux.go index 0d4cba85e..d4f4ddfc1 100644 --- a/libpod/container_top_linux.go +++ b/libpod/container_top_linux.go @@ -4,6 +4,7 @@ package libpod import ( "bufio" + "fmt" "os" "strconv" "strings" @@ -11,6 +12,7 @@ import ( "github.com/containers/podman/v3/libpod/define" "github.com/containers/podman/v3/pkg/rootless" "github.com/containers/psgo" + "github.com/google/shlex" "github.com/pkg/errors" "github.com/sirupsen/logrus" ) @@ -51,7 +53,21 @@ func (c *Container) Top(descriptors []string) ([]string, error) { return nil, psgoErr } - output, err = c.execPS(descriptors) + // Note that the descriptors to ps(1) must be shlexed (see #12452). + psDescriptors := []string{} + for _, d := range descriptors { + shSplit, err := shlex.Split(d) + if err != nil { + return nil, fmt.Errorf("parsing ps args: %v", err) + } + for _, s := range shSplit { + if s != "" { + psDescriptors = append(psDescriptors, s) + } + } + } + + output, err = c.execPS(psDescriptors) if err != nil { return nil, errors.Wrapf(err, "error executing ps(1) in the container") } |