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* rootless: Rearrange setup of rootless containersGabi Beyer2019-09-24
| | | | | | | | | | | | | | | In order to run Podman with VM-based runtimes unprivileged, the network must be set up prior to the container creation. Therefore this commit modifies Podman to run rootless containers by: 1. create a network namespace 2. pass the netns persistent mount path to the slirp4netns to create the tap inferface 3. pass the netns path to the OCI spec, so the runtime can enter the netns Closes #2897 Signed-off-by: Gabi Beyer <gabrielle.n.beyer@intel.com>
* exec: set HOME also with exec sessionsGiuseppe Scrivano2019-09-21
| | | | Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
* execuser: look at the source for /etc/{passwd,group} overridesGiuseppe Scrivano2019-09-21
| | | | | | | | | look if there are bind mounts that can shadow the /etc/passwd and /etc/group files. In that case, look at the bind mount source. Closes: https://github.com/containers/libpod/pull/4068#issuecomment-533782941 Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
* We need to convert libpod.conf files in user homedir for cgroupv2Daniel J Walsh2019-09-21
| | | | | | | | | | | If a user upgrades to a machine that defaults to a cgroups V2 machine and has a libpod.conf file in their homedir that defaults to OCI Runtime runc, then we want to change it one time to crun. runc as of this point does not work on cgroupV2 systems. This patch will eventually be removed but is needed until runc has support. Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
* container: make sure $HOME is always setGiuseppe Scrivano2019-09-20
| | | | | | | | | | | | | If the HOME environment variable is not set, make sure it is set to the configuration found in the container /etc/passwd file. It was previously depending on a runc behavior that always set HOME when it is not set. The OCI runtime specifications do not require HOME to be set so move the logic to libpod. Closes: https://github.com/debarshiray/toolbox/issues/266 Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
* fix trivial type for event loggerbaude2019-09-19
| | | | | | Fixes: #4062 Signed-off-by: baude <bbaude@redhat.com>
* Fix exit code failureDaniel J Walsh2019-09-17
| | | | | | Be less precise on the exit code and lot the exit code to the journal when it fails. Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
* Merge pull request #4035 from mheon/unmount_unmounted_is_safeOpenShift Merge Robot2019-09-16
|\ | | | | Unmounting a container that is already unmounted is OK
| * Unmounting a container that is already unmounted is OKMatthew Heon2019-09-16
| | | | | | | | | | | | | | | | | | | | | | | | We should not be throwing errors because the operation we wanted to perform is already done. Now, it is definitely strange that a container is actually unmounted, but shows as mounted in the DB - if this reoccurs in a way where we can investigate, it's worth tearing into. Fixes #4033 Signed-off-by: Matthew Heon <mheon@redhat.com>
* | Merge pull request #4043 from haircommander/preserve-fd-fixOpenShift Merge Robot2019-09-16
|\ \ | | | | | | exec: fix --preserve-fds
| * | exec: fix --preserve-fdsPeter Hunt2019-09-16
| |/ | | | | | | | | | | | | | | | | | | | | | | There were two problems with preserve fds. libpod didn't open the fds before passing _OCI*PIPE to conmon. This caused libpod to talk on the preserved fds, rather than the pipes, with conmon talking on the pipes. This caused a hang. Libpod also didn't convert an int to string correctly, so it would further fail. Fix these and add a unit test to make sure we don't regress in the future Note: this test will not pass on crun until crun supports --preserve-fds Signed-off-by: Peter Hunt <pehunt@redhat.com>
* / networking: use --enable-sandbox if availableGiuseppe Scrivano2019-09-16
|/ | | | | | | | | | | if slirp4netns supports sandboxing, enable it. It automatically creates a new mount namespace where slirp4netns will run and have limited access to the host resources. It needs slirp4netns 0.4.1. Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
* Merge pull request #4006 from rhatdan/rootlessOpenShift Merge Robot2019-09-13
|\ | | | | Report errors when trying to pause rootless containers
| * Report errors when trying to pause rootless containersDaniel J Walsh2019-09-13
| | | | | | | | | | | | | | | | If you are running a rootless container on cgroupV1 you can not pause the container. We need to report the proper error if this happens. Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
* | Merge pull request #3934 from rhatdan/waitOpenShift Merge Robot2019-09-13
|\ \ | |/ |/| Podman-remote run should wait for exit code
| * Podman-remote run should wait for exit codeDaniel J Walsh2019-09-12
| | | | | | | | | | | | | | | | This change matches what is happening on the podman local side and should eliminate a race condition. Also exit commands on the server side should start to return to client. Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
| * Use exit code constantsDaniel J Walsh2019-09-12
| | | | | | | | | | | | | | We have leaked the exit number codess all over the code, this patch removes the numbers to constants. Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
* | Merge pull request #4010 from haircommander/regsiter-laterOpenShift Merge Robot2019-09-13
|\ \ | | | | | | exec: Register resize func a bit later
| * | exec: Register resize func a bit laterPeter Hunt2019-09-12
| |/ | | | | | | | | | | | | | | if we register the resize func too early, it attempts to read from the 'ctl' file before it exists. this causes the func to error, and the resize to not go through. Fix this by registering resize func later for conmon. This, along with a conmon fix, will allow exec to know the terminal size at startup Signed-off-by: Peter Hunt <pehunt@redhat.com>
* | Merge pull request #4009 from baude/execrmsocketOpenShift Merge Robot2019-09-12
|\ \ | | | | | | clean up after healthcheck execs
| * | clean up after healthcheck execsbaude2019-09-12
| |/ | | | | | | | | | | | | | | | | | | when executing a healthcheck, we were not cleaning up after exec's use of a socket. we now remove the socket file and ignore if for reason it does not exist. Fixes: #3962 Signed-off-by: baude <bbaude@redhat.com>
* | Merge pull request #3989 from mheon/storage_containers_add_infoOpenShift Merge Robot2019-09-12
|\ \ | |/ |/| Add further fields to StorageContainer
| * Add further fields to StorageContainerMatthew Heon2019-09-11
| | | | | | | | | | | | | | This will be used when we allow 'podman ps' to display info on storage containers instead of Libpod containers. Signed-off-by: Matthew Heon <mheon@redhat.com>
* | Merge pull request #3959 from giuseppe/rootless-use-systemd-scopeOpenShift Merge Robot2019-09-12
|\ \ | | | | | | rootless: automatically create a systemd scope
| * | rootless: automatically create a systemd scopeGiuseppe Scrivano2019-09-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | when running in rootless mode and using systemd as cgroup manager create automatically a systemd scope when the user doesn't own the current cgroup. This solves a couple of issues: on cgroup v2 it is necessary that a process before it can moved to a different cgroup tree must be in a directory owned by the unprivileged user. This is not always true, e.g. when creating a session with su -l. Closes: https://github.com/containers/libpod/issues/3937 Also, for running systemd in a container it was before necessary to specify "systemd-run --scope --user podman ...", now this is done automatically as part of this PR. Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
* | | linux: fix systemd with --cgroupns=privateGiuseppe Scrivano2019-09-12
|/ / | | | | | | | | | | | | | | | | When --cgroupns=private is used we need to mount a new cgroup file system so that it points to the correct namespace. Needs: https://github.com/containers/crun/pull/88 Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
* | Volume lookup needs to include state to unmarshal intoMatthew Heon2019-09-11
| | | | | | | | | | | | | | | | | | Lookup was written before volume states merged, but merged after, and CI didn't catch the obvious failure here. Without a valid state, we try to unmarshall into a null pointer, and 'volume rm' is completely broken because of it. Signed-off-by: Matthew Heon <matthew.heon@pm.me>
* | Merge pull request #3984 from mheon/prune_no_in_use_errorOpenShift Merge Robot2019-09-11
|\ \ | | | | | | Do not prune images being used by a container
| * | Do not prune images being used by a containerMatthew Heon2019-09-10
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Podman is not the only user of containers/storage, and as such we cannot rely on our database as the sole source of truth when pruning images. If images do not show as in use from Podman's perspective, but subsequently fail to remove because they are being used by a container, they're probably being used by Buildah or another c/storage client. Since the images in question are in use, we shouldn't error on failure to prune them - we weren't supposed to prune them in the first place. Fixes: #3983 Signed-off-by: Matthew Heon <matthew.heon@pm.me>
* | Merge pull request #3927 from openSUSE/manager-annotationsOpenShift Merge Robot2019-09-11
|\ \ | | | | | | Add `ContainerManager` annotation to created containers
| * | Add `ContainerManager` annotation to created containersSascha Grunert2019-09-10
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This change adds the following annotation to every container created by podman: ```json "Annotations": { "io.containers.manager": "libpod" } ``` Target of this annotaions is to indicate which project in the containers ecosystem is the major manager of a container when applications share the same storage paths. This way projects can decide if they want to manipulate the container or not. For example, since CRI-O and podman are not using the same container library (libpod), CRI-O can skip podman containers and provide the end user more useful information. A corresponding end-to-end test has been adapted as well. Relates to: https://github.com/cri-o/cri-o/pull/2761 Signed-off-by: Sascha Grunert <sgrunert@suse.com>
* | Merge pull request #3581 from mheon/no_cgroupsOpenShift Merge Robot2019-09-11
|\ \ | | | | | | Support running containers without CGroups
| * | Add support for launching containers without CGroupsMatthew Heon2019-09-10
| | | | | | | | | | | | | | | | | | | | | This is mostly used with Systemd, which really wants to manage CGroups itself when managing containers via unit file. Signed-off-by: Matthew Heon <matthew.heon@pm.me>
* | | Merge pull request #3961 from mheon/copy_volume_contentsOpenShift Merge Robot2019-09-10
|\ \ \ | |_|/ |/| | When first mounting any named volume, copy up
| * | When first mounting any named volume, copy upMatthew Heon2019-09-09
| |/ | | | | | | | | | | | | | | | | | | | | Previously, we only did this for volumes created at the same time as the container. However, this is not correct behavior - Docker does so for all named volumes, even those made with 'podman volume create' and mounted into a container later. Fixes #3945 Signed-off-by: Matthew Heon <matthew.heon@pm.me>
* / Add function for looking up volumes by partial nameMatthew Heon2019-09-09
|/ | | | | | | | | | This isn't included in Docker, but seems handy enough. Use the new API for 'volume rm' and 'volume inspect'. Fixes #3891 Signed-off-by: Matthew Heon <matthew.heon@pm.me>
* Merge pull request #3960 from mheon/ignore_umount_enoentOpenShift Merge Robot2019-09-06
|\ | | | | Ignore ENOENT on umount of SHM
| * Ignore ENOENT on umount of SHMMatthew Heon2019-09-06
| | | | | | | | Signed-off-by: Matthew Heon <matthew.heon@pm.me>
* | Merge pull request #3918 from rhatdan/infoOpenShift Merge Robot2019-09-06
|\ \ | |/ |/| Return information about mount_program (fuse-overlayfs)
| * Return information about mount_program (fuse-overlayfs)Daniel J Walsh2019-09-06
| | | | | | | | | | | | | | | | | | | | We want to get podman info to tell us about the version of the mount program to help us diagnose issues users are having. Also if in rootless mode and slirp4netns is installed reveal package info on slirp4netns. Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
* | Merge pull request #3954 from mheon/hardcode_default_storepathsOpenShift Merge Robot2019-09-06
|\ \ | | | | | | Ensure good defaults on blank c/storage configuration
| * | Ensure good defaults on blank c/storage configurationMatthew Heon2019-09-05
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If c/storage paths are explicitly set to "" (the empty string) it will use compiled-in defaults. However, it won't tell us this via `storage.GetDefaultStoreOptions()` - we just get the empty string (which can put our defaults, some of which are relative to c/storage, in a bad spot). Hardcode a sane default for cases like this. Furthermore, add some sanity checks to paths, to ensure we don't use relative paths for core parts of libpod. Fixes #3952 Signed-off-by: Matthew Heon <matthew.heon@pm.me>
* | Correctly report errors on unmounting SHMMatthew Heon2019-09-05
| | | | | | | | | | | | | | | | | | | | | | When we fail to remove a container's SHM, that's an error, and we need to report it as such. This may be part of our lingering storage woes. Also, remove MNT_DETACH. It may be another cause of the storage removal failures. Signed-off-by: Matthew Heon <matthew.heon@pm.me>
* | Add ability for volumes with options to mount/umountMatthew Heon2019-09-05
| | | | | | | | | | | | | | | | | | | | | | | | | | When volume options and the local volume driver are specified, the volume is intended to be mounted using the 'mount' command. Supported options will be used to volume the volume before the first container using it starts, and unmount the volume after the last container using it dies. This should work for any local filesystem, though at present I've only tested with tmpfs and btrfs. Signed-off-by: Matthew Heon <matthew.heon@pm.me>
* | Add volume stateMatthew Heon2019-09-05
| | | | | | | | | | | | | | | | | | | | | | | | We need to be able to track the number of times a volume has been mounted for tmpfs/nfs/etc volumes. As such, we need a mutable state for volumes. Add one, with the expected update/save methods in both states. There is backwards compat here, in that older volumes without a state will still be accepted. Signed-off-by: Matthew Heon <matthew.heon@pm.me>
* | Change volume driver and options JSON tagsMatthew Heon2019-09-05
|/ | | | | | | | | | | | | | | | In upcoming commits, we're going to turn on the backends for these fields. Volumes with these set will act fundamentally differently from other volumes. There will probably be validation required for each field. Until now, though, we've freely allowed creation of volumes with these set - they just did nothing. So we have no idea what could be in the DB with old volumes. Change the struct tags so we don't have to worry about old, unvalidated data. We'll start fresh with new volumes. Signed-off-by: Matthew Heon <matthew.heon@pm.me>
* Merge pull request #3876 from mheon/fix_mount_flagsOpenShift Merge Robot2019-09-04
|\ | | | | Allow suid, exec, dev mount options to cancel nosuid/noexec/nodev
| * Set base mount options for bind mounts from base systemMatthew Heon2019-08-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If I mount, say, /usr/bin into my container - I expect to be able to run the executables in that mount. Unconditionally applying noexec would be a bad idea. Before my patches to change mount options and allow exec/dev/suid being set explicitly, we inferred the mount options from where on the base system the mount originated, and the options it had there. Implement the same functionality for the new option handling. There's a lot of performance left on the table here, but I don't know that this is ever going to take enough time to make it worth optimizing. Signed-off-by: Matthew Heon <matthew.heon@pm.me>
| * Add support for 'exec', 'suid', 'dev' mount flagsMatthew Heon2019-08-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Previously, we explicitly set noexec/nosuid/nodev on every mount, with no ability to disable them. The 'mount' command on Linux will accept their inverses without complaint, though - 'noexec' is counteracted by 'exec', 'nosuid' by 'suid', etc. Add support for passing these options at the command line to disable our explicit forcing of security options. This also cleans up mount option handling significantly. We are still parsing options in more than one place, which isn't good, but option parsing for bind and tmpfs mounts has been unified. Fixes: #3819 Fixes: #3803 Signed-off-by: Matthew Heon <matthew.heon@pm.me>
* | Merge pull request #3933 from giuseppe/skip-polling-on-runOpenShift Merge Robot2019-09-04
|\ \ | | | | | | libpod: avoid polling container status
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