241 Commits

Author SHA1 Message Date
690c52a113 Allow users to expose ports from the pod to the host
we need to allow users to expose ports to the host for the purposes
of networking, like a webserver.  the port exposure must be done at
the time the pod is created.

strictly speaking, the port exposure occurs on the infra container.

Signed-off-by: baude <bbaude@redhat.com>
2018-11-20 09:49:34 -06:00
39ef6d43d0 Merge pull request #1756 from isimluk/update-dependent-metalinter
Update metalinter dependency
2018-11-16 05:02:03 -08:00
1e3ff69502 rootless: call IsRootless just once
we are calling this function several times, it is worth to store its
result and re-use it.

Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
2018-11-14 10:13:50 +01:00
9497b2254c Lint: InspectImage varlink api should return errors that occurred
Not just nil.

Addressing:
pkg/varlinkapi/images.go:273:15⚠️ ineffectual assignment to err (ineffassign)

Signed-off-by: Šimon Lukašík <slukasik@redhat.com>
2018-11-10 10:52:24 +01:00
542d8fe95f 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>
2018-11-10 04:46:06 -05:00
c7926aa7ca rootless: default to fuse-overlayfs when available
If fuse-overlayfs is present, rootless containers default to use it.
This can still be overriden either via the command line with
--storage-driver or in the ~/.config/containers/storage.conf
configuration file.

Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
2018-11-08 10:58:49 +01:00
ae68bec75c Don't fail if /etc/passwd or /etc/group does not exists
Container images can be created without passwd or group file, currently
if one of these containers gets run with a --user flag the container blows
up complaining about t a missing /etc/passwd file.

We just need to check if the error on read is ENOEXIST then allow the
read to return, not fail.

Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
2018-11-07 11:41:51 -05:00
e75469ab99 Merge pull request #1736 from giuseppe/rootless-drop-run-postfix
rootless: do not add an additional /run to runroot
2018-10-31 07:20:09 -07:00
9c1985fc4e Merge pull request #1731 from afbjorklund/version
Fix setting of version information
2018-10-31 06:48:12 -07:00
89e9067dec rootless: do not add an additional /run to runroot
we are currently using something like /run/user/UID/run as runroot, as
it is already done by Buildah.  This ends up with
/run/user/UID/run/runc for the runc directory.  Change to drop the
additional /run so that runc will use /run/user/UID/runc.

Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
2018-10-31 13:58:55 +01:00
b2fef1a8ba Fix setting of version information
It was setting the wrong variable (CamelCase)
in the wrong module ("main", not "libpod")...

Signed-off-by: Anders F Björklund <anders.f.bjorklund@gmail.com>
2018-10-31 00:27:08 +01:00
319a7a7043 Merge pull request #1715 from baude/getusergroup
get user and group information using securejoin and runc's user library
2018-10-30 11:49:15 -07:00
1dd7f13dfb get user and group information using securejoin and runc's user library
for the purposes of performance and security, we use securejoin to contstruct
the root fs's path so that symlinks are what they appear to be and no pointing
to something naughty.

then instead of chrooting to parse /etc/passwd|/etc/group, we now use the runc user/group
methods which saves us quite a bit of performance.

Signed-off-by: baude <bbaude@redhat.com>
2018-10-29 08:59:46 -05:00
22390b3b04 Change to exported name in ParseDevice
Signed-off-by: Qi Wang <qiwan@redhat.com>
2018-10-29 06:39:39 -04:00
f75065842f Add helper function to read out CRIU version
This adds a simple CRIU version check using the vendored-in
CRIU go bindings.

Signed-off-by: Adrian Reber <areber@redhat.com>
2018-10-23 12:52:03 +02:00
3157595288 Fix man page to show info on storage
Also fix lint errors.

Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
2018-10-22 16:16:54 -04:00
2444ac9926 Move rootless directory handling to the libpod/pkg/util directory
This should allow us to share this code with buildah.

Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
2018-10-22 09:43:59 -04:00
57a8c2e5e8 Mount proper cgroup for systemd to manage inside of the container.
We are still requiring oci-systemd-hook to be installed in order to run
systemd within a container.  This patch properly mounts

/sys/fs/cgroup/systemd/libpod_parent/libpod-UUID on /sys/fs/cgroup/systemd inside of container.

Since we need the UUID of the container, we needed to move Systemd to be a config option of the
container.

Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
2018-10-15 16:19:11 -04:00
04a537756d Generate a passwd file for users not in container
If someone runs podman as a user (uid) that is not defined in the container
we want generate a passwd file so that getpwuid() will work inside of container.

Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
2018-10-12 07:08:13 -04:00
5f6e4cc830 Merge pull request #1605 from mheon/syslog_cleanup
Pass along syslog variable to podman cleanup processes
2018-10-11 11:49:45 -07:00
e8172b334e Merge pull request #1628 from giuseppe/rootless-fix-hang-on-setresuid
rootless: fix hang on startup with older glibc versions
2018-10-11 11:05:26 -07:00
f87f0abb77 Pass along syslog variable to podman cleanup processes
As of now, there is no way to debug podman clean up processes.
They are started by conmon with no stdout/stderr and log nowhere.
This allows us to actually figure out what is going on when a
cleanup process runs.

Signed-off-by: Matthew Heon <matthew.heon@gmail.com>
2018-10-11 13:19:39 -04:00
55c9b03baf rootless: detect when user namespaces are not enabled
Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
2018-10-11 17:49:16 +02:00
4882a6dd9d Add --ip flag and plumbing into libpod
Add the --ip flag back with bash completions. Manpages still
missing.

Add plumbing to pass appropriate the appropriate option down to
libpod to connect the flag to backend logic added in the previous
commits.

Signed-off-by: Matthew Heon <matthew.heon@gmail.com>
2018-10-11 11:24:08 -04:00
2933c3b980 rootless: report more error messages from the startup phase
Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
2018-10-11 17:09:19 +02:00
48f6f9254d rootless: fix an hang on older versions of setresuid/setresgid
the issue is caused by the Go Runtime that messes up with the process
signals, overriding SIGSETXID and SIGCANCEL which are used internally
by glibc.  They are used to inform all the threads to update their
stored uid/gid information.  This causes a hang on the set*id glibc
wrappers since the handler installed by glibc is never invoked.

Since we are running with only one thread, we don't really need to
update other threads or even the current thread as we are not using
getuid/getgid before the execvp.

Closes: https://github.com/containers/libpod/issues/1625

Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
2018-10-11 17:09:18 +02:00
2d332d01a7 Fix lint
Signed-off-by: Matthew Heon <matthew.heon@gmail.com>
2018-10-04 17:34:59 -04:00
52de75501c Drop libnetwork vendor and move the code into pkg/
The vendoring issues with libnetwork were significant (it was
dragging in massive amounts of code) and were just not worth
spending the time to work through. Highly unlikely we'll ever end
up needing to update this code, so move it directly into pkg/ so
we don't need to vendor libnetwork. Make a few small changes to
remove the need for the remainder of libnetwork.

Signed-off-by: Matthew Heon <matthew.heon@gmail.com>
2018-10-04 17:34:59 -04:00
3c31e176c7 Merge pull request #1557 from rhatdan/systemd
Don't tmpcopyup on systemd cgroup
2018-10-04 09:54:51 -07:00
2c7f97d5a7 Add ContainerStateExited and OCI delete() in cleanup()
To work better with Kata containers, we need to delete() from the
OCI runtime as a part of cleanup, to ensure resources aren't
retained longer than they need to be.

To enable this, we need to add a new state to containers,
ContainerStateExited. Containers transition from
ContainerStateStopped to ContainerStateExited via cleanupRuntime
which is invoked as part of cleanup(). A container in the Exited
state is identical to Stopped, except it has been removed from
the OCI runtime and thus will be handled differently when
initializing the container.

Signed-off-by: Matthew Heon <matthew.heon@gmail.com>
2018-10-02 12:05:22 -04:00
89c5804fe0 Merge pull request #1563 from jwhonce/wip/pods
Implement pod varlink bindings
2018-10-02 08:47:53 -07:00
9074565f4e Implement pod varlink bindings
* Update varlink document
* Add NoContainersInPod error in go and python
* Add support for varlink pod interface
* New code passes pylint
* Fix bug in test_runner.sh
* Update integration tests for race condition on status check
* Add missing port config file support

Signed-off-by: Jhon Honce <jhonce@redhat.com>
2018-10-01 07:24:50 -07:00
abde1ef0ef rootless: raise an error when trying to use cgroups
https://github.com/containers/libpod/issues/1429#issuecomment-424040416

Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
2018-10-01 09:33:12 +02:00
87c255f29f Don't tmpcopyup on systemd cgroup
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
2018-09-29 06:00:47 +02:00
6db7027e97 Add buildah version and distribution to info
For the sake of debug and problem reporting, we would benefit from knowing
what buildah version was vendored into podman.  Also, knowing the distribution
and distribution version would also be handy.

Signed-off-by: baude <bbaude@redhat.com>
2018-09-28 10:48:16 -05:00
52c1365f32 Add --mount option for create & run command
Signed-off-by: Kunal Kushwaha <kushwaha_kunal_v7@lab.ntt.co.jp>
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>

Closes: #1524
Approved by: mheon
2018-09-21 21:33:41 +00:00
9e81f9daa4 Refactor Wait() to not require a timeout
We added a timeout for convenience, but most invocations don't
care about it. Refactor it into WaitWithTimeout() and add a
Wait() that doesn't require a timeout and uses the default.

Signed-off-by: Matthew Heon <matthew.heon@gmail.com>

Closes: #1527
Approved by: mheon
2018-09-21 20:07:51 +00:00
09f506930c Don't mount /dev/shm if the user told you --ipc=none
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>

Closes: #1466
Approved by: mheon
2018-09-21 19:06:12 +00:00
4f42fe2e9e rootless: error out if there are not enough UIDs/GIDs available
Most container images assume there are at least 65536 UIDs/GIDs
available.  Raise an error if there are not enough IDs allocated to
the current user.

Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>

Closes: #1520
Approved by: rhatdan
2018-09-21 14:34:58 +00:00
37b2601a81 rootless: skip usage of filepath.Join
Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>

Closes: #1507
Approved by: rhatdan
2018-09-21 10:13:39 +00:00
6d1eecf7cf create, rootless: join the userns of ns:PATH
Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>

Closes: #1507
Approved by: rhatdan
2018-09-21 10:13:39 +00:00
8b9b493b53 spec: refactor ns modes to a common interface
Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>

Closes: #1507
Approved by: rhatdan
2018-09-21 10:13:39 +00:00
fbfcc7842e Add new field to libpod to indicate whether or not to use labelling
Also update some missing fields libpod.conf obtions in man pages.

Fix sort order of security options and add a note about disabling
labeling.

When a process requests a new label.  libpod needs to reserve all
labels to make sure that their are no conflicts.

Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>

Closes: #1406
Approved by: mheon
2018-09-20 16:01:29 +00:00
92b28a88d8 Vendor in latest containers/buildah
Switch from projectatomic/buildah to containers/buildah

Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
2018-09-18 17:20:30 -04:00
e4770b8289 Small updates to OCI spec generation
Firstly, when adding the privileged catch-all resource device,
first remove the spec's default catch-all resource device.

Second, remove our default rootfs propogation config - Docker
does not set this by default, so I don't think we should either.

Signed-off-by: Matthew Heon <matthew.heon@gmail.com>

Closes: #1491
Approved by: TomSweeneyRedHat
2018-09-17 22:13:42 +00:00
5622de9c61 Merge pull request #1467 from rhatdan/dev
Don't mount /dev/* if user mounted /dev
2018-09-14 17:26:38 -04:00
a7b6a0fd16 Merge pull request #1474 from baude/varlinkinforegistries
add registry information to varlink info
2018-09-14 16:53:53 -04:00
0405555345 Merge pull request #1434 from rhatdan/wait
Add --interval flag to podman wait
2018-09-14 16:52:13 -04:00
31294799c4 Don't mount /dev/* if user mounted /dev
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
2018-09-14 13:28:19 -04:00
6f47eb0b28 add registry information to varlink info
when using the varlink api, we should pass on the registries information
as is present in the cli info command.

Signed-off-by: baude <bbaude@redhat.com>
2018-09-14 10:13:07 -05:00