Fix handling of nil volumes

Currently if a user passes in a -v with
-v $bogus:/foobar

We crash.  This will throw a proper error.

Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
This commit is contained in:
Daniel J Walsh
2019-01-09 13:23:01 -05:00
parent 64627d910b
commit f2ff550967
2 changed files with 21 additions and 0 deletions

View File

@ -201,6 +201,9 @@ func parseVolumesFrom(volumesFrom []string) error {
}
func validateVolumeHostDir(hostDir string) error {
if len(hostDir) == 0 {
return errors.Errorf("host directory cannot be empty")
}
if filepath.IsAbs(hostDir) {
if _, err := os.Stat(hostDir); err != nil {
return errors.Wrapf(err, "error checking path %q", hostDir)
@ -212,6 +215,9 @@ func validateVolumeHostDir(hostDir string) error {
}
func validateVolumeCtrDir(ctrDir string) error {
if len(ctrDir) == 0 {
return errors.Errorf("container directory cannot be empty")
}
if !filepath.IsAbs(ctrDir) {
return errors.Errorf("invalid container path, must be an absolute path %q", ctrDir)
}

View File

@ -596,6 +596,21 @@ USER mail`
Expect(session.ExitCode()).To(Equal(0))
})
It("podman run --volumes flag with empty host dir", func() {
vol1 := filepath.Join(podmanTest.TempDir, "vol-test1")
err := os.MkdirAll(vol1, 0755)
Expect(err).To(BeNil())
session := podmanTest.Podman([]string{"run", "--volume", ":/myvol1:z", ALPINE, "touch", "/myvol2/foo.txt"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).ToNot(Equal(0))
Expect(session.ErrorToString()).To(ContainSubstring("directory cannot be empty"))
session = podmanTest.Podman([]string{"run", "--volume", vol1 + ":", ALPINE, "touch", "/myvol2/foo.txt"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).ToNot(Equal(0))
Expect(session.ErrorToString()).To(ContainSubstring("directory cannot be empty"))
})
It("podman run --mount flag with multiple mounts", func() {
vol1 := filepath.Join(podmanTest.TempDir, "vol-test1")
err := os.MkdirAll(vol1, 0755)