diff options
Diffstat (limited to 'libpod/util.go')
| -rw-r--r-- | libpod/util.go | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/libpod/util.go b/libpod/util.go index 7bd834e30..30e5cd4c3 100644 --- a/libpod/util.go +++ b/libpod/util.go @@ -187,6 +187,9 @@ func programVersion(mountProgram string) (string, error) { return strings.TrimSuffix(output, "\n"), nil } +// DefaultSeccompPath returns the path to the default seccomp.json file +// if it exists, first it checks OverrideSeccomp and then default. +// If neither exist function returns "" func DefaultSeccompPath() (string, error) { _, err := os.Stat(config.SeccompOverridePath) if err == nil { @@ -203,3 +206,28 @@ func DefaultSeccompPath() (string, error) { } return config.SeccompDefaultPath, nil } + +// CheckDependencyContainer verifies the given container can be used as a +// dependency of another container. +// Both the dependency to check and the container that will be using the +// dependency must be passed in. +// It is assumed that ctr is locked, and depCtr is unlocked. +func checkDependencyContainer(depCtr, ctr *Container) error { + state, err := depCtr.State() + if err != nil { + return errors.Wrapf(err, "error accessing dependency container %s state", depCtr.ID()) + } + if state == define.ContainerStateRemoving { + return errors.Wrapf(define.ErrCtrStateInvalid, "cannot use container %s as a dependency as it is being removed", depCtr.ID()) + } + + if depCtr.ID() == ctr.ID() { + return errors.Wrapf(define.ErrInvalidArg, "must specify another container") + } + + if ctr.config.Pod != "" && depCtr.PodID() != ctr.config.Pod { + return errors.Wrapf(define.ErrInvalidArg, "container has joined pod %s and dependency container %s is not a member of the pod", ctr.config.Pod, depCtr.ID()) + } + + return nil +} |