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| author | Daniel J Walsh <dwalsh@redhat.com> | 2018-11-09 11:22:44 -0500 |
|---|---|---|
| committer | Daniel J Walsh <dwalsh@redhat.com> | 2018-11-10 04:46:06 -0500 |
| commit | 542d8fe95f66c0a3aabb9d964c260a0b3b9aaae8 (patch) | |
| tree | fda08bb58dadba3915e3c92d47419e9daa29358c /pkg/rootless/rootless_linux.go | |
| parent | 78e6d8e7d70d431ccf096dee0f8eadb1c9b2967b (diff) | |
| download | podman-542d8fe95f66c0a3aabb9d964c260a0b3b9aaae8.tar.gz podman-542d8fe95f66c0a3aabb9d964c260a0b3b9aaae8.tar.bz2 podman-542d8fe95f66c0a3aabb9d964c260a0b3b9aaae8.zip | |
Better document rootless containers
Need to return an error pointing user in right direction if rootless podman
fails, because of no /etc/subuid or /etc/subgid files.
Also fix up man pages to better describe rootless podman.
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
Diffstat (limited to 'pkg/rootless/rootless_linux.go')
| -rw-r--r-- | pkg/rootless/rootless_linux.go | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/pkg/rootless/rootless_linux.go b/pkg/rootless/rootless_linux.go index 5c45f2694..ff8c8fe34 100644 --- a/pkg/rootless/rootless_linux.go +++ b/pkg/rootless/rootless_linux.go @@ -187,6 +187,9 @@ func BecomeRootInUserNS() (bool, int, error) { if username == "" { user, err := user.LookupId(fmt.Sprintf("%d", os.Getuid())) if err != nil && os.Getenv("PODMAN_ALLOW_SINGLE_ID_MAPPING_IN_USERNS") == "" { + if os.IsNotExist(err) { + return false, 0, errors.Wrapf(err, "/etc/subuid or /etc/subgid does not exist, see subuid/subgid man pages for information on these files") + } return false, 0, errors.Wrapf(err, "could not find user by UID nor USER env was set") } if err == nil { |