Commit Graph

14 Commits

Author SHA1 Message Date
Tibor Vass a8608b5b67 homedir: remove idtools and libcontainer's user package dependencies
About github.com/opencontainers/runc/libcontainer/user:

According to 195d8d544a
this package has two functions:
- Have a static implementation of user lookup, which is now supported in the
  os/user stdlib package with the osusergo build tag, but wasn't at the time.
- Have extra functions that os/user doesn't have, but none of those are used
  in homedir.

Since https://github.com/moby/moby/pull/11287, homedir depended directly on
libcontainer's user package for CurrentUser().
This is being replaced with os/user.Current(), because all of our static
binaries are compiled with the osusergo tag, and for dynamic libraries it
is more correct to use libc's implementation than parsing /etc/passwd.

About github.com/docker/docker/pkg/idtools:

Only dependency was from GetStatic() which uses idtools.LookupUID(uid).
The implementation of idtools.LookupUID just calls to
github.com/opencontainers/runc/libcontainer/user.LookupUid or fallbacks
to exec-ing to getent (since https://github.com/moby/moby/pull/27599).

This patch replaces calls to homedir.GetStatic by homedir.Get(), opting out
of supporting nss lookups in static binaries via exec-ing to getent for
the homedir package.

If homedir package users need to support nss lookups, they are advised
to compile dynamically instead.

Signed-off-by: Tibor Vass <tibor@docker.com>
2019-09-24 00:32:13 +00:00
Akihiro Suda ec87479b7e allow running `dockerd` in an unprivileged user namespace (rootless mode)
Please refer to `docs/rootless.md`.

TLDR:
 * Make sure `/etc/subuid` and `/etc/subgid` contain the entry for you
 * `dockerd-rootless.sh --experimental`
 * `docker -H unix://$XDG_RUNTIME_DIR/docker.sock run ...`

Signed-off-by: Akihiro Suda <suda.akihiro@lab.ntt.co.jp>
2019-02-04 00:24:27 +09:00
Daniel Nephin 4f0d95fa6e Add canonical import comment
Signed-off-by: Daniel Nephin <dnephin@docker.com>
2018-02-05 16:51:57 -05:00
Sebastiaan van Stijn 6ed1163c98
Remove redundant build-tags
Files that are suffixed with `_linux.go` or `_windows.go` are
already only built on Linux / Windows, so these build-tags
were redundant.

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
2017-12-18 17:41:53 +01:00
Justin Cormack b7bd959294 Split homedir files by operating system
libcontainer/user does not build at all on Windows any more, and
this was breaking the client on Windows with upstream `runc`. As
these functions are not used anyway, just split out and stop
checking `runtime`.

Signed-off-by: Justin Cormack <justin.cormack@docker.com>
2017-07-10 14:10:43 +01:00
Akihiro Suda b86e3bee5a gcplogs: forcibly set HOME on static UNIX binary
Fix #29344

If HOME is not set, the gcplogs logging driver will call os/user.Current() via oauth2/google.
However, in static binary, os/user.Current() leads to segfault due to a glibc issue that won't be fixed
in a short term. (golang/go#13470, https://sourceware.org/bugzilla/show_bug.cgi?id=19341)
So we forcibly set HOME so as to avoid call to os/user/Current().

Signed-off-by: Akihiro Suda <suda.akihiro@lab.ntt.co.jp>
2016-12-29 03:17:26 +00:00
Antonio Murdaca 863b571617 Revert "resolve the config file from the sudo user"
This reverts commit afde6450ee.

Signed-off-by: Antonio Murdaca <runcom@redhat.com>
2016-02-29 13:51:43 +01:00
Antonio Murdaca afde6450ee resolve the config file from the sudo user
Signed-off-by: Antonio Murdaca <runcom@redhat.com>
2016-02-24 15:41:00 +01:00
Alexander Morozov c86189d554 Update libcontainer
Replaced github.com/docker/libcontainer with
github.com/opencontainers/runc/libcontaier.
Also I moved AppArmor profile generation to docker.

Main idea of this update is to fix mounting cgroups inside containers.
After updating docker on CI we can even remove dind.

Signed-off-by: Alexander Morozov <lk4d4@docker.com>
2015-07-16 16:02:26 -07:00
Dan Walsh 42aec0c771 If $HOME is not set, return homedir from /etc/passwd
Docker-DCO-1.1-Signed-off-by: Dan Walsh <dwalsh@redhat.com> (github: rhatdan)
2015-03-10 10:00:22 -04:00
Arnaud Porterie 89bdaa35e0 Remove subdirectories MAINTAINERS files
Signed-off-by: Arnaud Porterie <arnaud.porterie@docker.com>
2015-03-06 18:21:51 -08:00
Doug Davis 116367eb07 Fix for help when $HOME is /
estesp noticed that when $HOME is / the ~ substitutions messes up
becuase it tries to replace all paths that start with "/" with "~".
This fixes it so that it will only replace it when $HOME isn't "/".

Signed-off-by: Doug Davis <dug@us.ibm.com>
2015-02-19 22:21:17 -08:00
Ahmet Alp Balkan 8ca37e4760 pkg/homedir: implement GetShortcutString()
Signed-off-by: Ahmet Alp Balkan <ahmetalpbalkan@gmail.com>
2015-02-18 22:56:03 -08:00
Ahmet Alp Balkan f9ae2d4fd4 Export $HOME lookup to pkg/homedir
Signed-off-by: Ahmet Alp Balkan <ahmetb@microsoft.com>
2015-02-06 11:42:45 -08:00