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* Don't use the global math/rand RNG for service portsMiloslav Trmač2021-12-06
| | | | | | | | | | Use a private RNG with the desired seed, don't interfere with the other uses. Introducing the servicePortState type is rather overkill for the single member, but we'll add another one immediately. Signed-off-by: Miloslav Trmač <mitr@redhat.com>
* Move a comment to the relevant placeMiloslav Trmač2021-12-06
| | | | Signed-off-by: Miloslav Trmač <mitr@redhat.com>
* container, cgroup: detect pid terminationGiuseppe Scrivano2021-12-06
| | | | | | | | | | | | | | If the /proc/$PID/cgroup file doesn't exist, then it is likely the container was terminated in the meanwhile so report ErrCtrStopped that is already handled instead of ENOENT. commit a66f40b4df039e94572fa38c070207a435cfa466 introduced the regression. Closes: https://github.com/containers/podman/issues/12457 [NO NEW TESTS NEEDED] it solves a race in the CI that is difficult to reproduce. Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
* top: parse ps(1) args correctlyValentin Rothberg2021-12-06
| | | | | | | The arguments of ps(1) should be shlexed. Fixes: #12452 Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
* libpod: improve heuristic to detect cgroupGiuseppe Scrivano2021-12-06
| | | | | | | | | | | | | | | improve the heuristic to detect the scope that was created for the container. This is necessary with systemd running as PID 1, since it moves itself to a different sub-cgroup, thus stats would not account for other processes in the same container. Closes: https://github.com/containers/podman/issues/12400 Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com> <MH: Fixed cherry-pick conflicts> Signed-off-by: Matthew Heon <mheon@redhat.com>
* libpod, inspect: export cgroup pathGiuseppe Scrivano2021-12-06
| | | | Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
* stats: get the memory limit from the specGiuseppe Scrivano2021-12-06
| | | | | | | | | | OCI runtimes may set the memory limits in different ways, e.g., crun creates a sub-cgroup where the limits are applied, while runc applies them directly on the created cgroup. Since there is standardization on the cgroup path to use, just use the limit specified in the spec file. Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
* oci: ack crun output when container is not thereAditya Rajan2021-12-06
| | | | | | | | | `crun status ctrid` outputs `No such file or directory` when container is not there so podman much ack it. [NO NEW TESTS NEEDED] Signed-off-by: Aditya Rajan <arajan@redhat.com>
* oci: exit gracefully if container is already deadAditya Rajan2021-12-06
| | | | | | | | | | While trying to kill a container with a `signal` we cant do anything if container is already dead so `exit` gracefully instead of trying to delete container again. Get container status from runtime. [ NO NEW TESTS NEEDED ] Signed-off-by: Aditya Rajan <arajan@redhat.com>
* secret: honor custom target for secrets with runAditya Rajan2021-12-06
| | | | | | | | | | | Honor custom `target` if specified while running or creating containers with secret `type=mount`. Example: `podman run -it --secret token,type=mount,target=TOKEN ubi8/ubi:latest bash` Signed-off-by: Aditya Rajan <arajan@redhat.com>
* journald logs: keep reading until the journal's endNalin Dahyabhai2021-12-06
| | | | | | | | | | | When reading logs from the journal, keep going after the container exits, in case it gets restarted. Events logged to the journal via the normal paths don't include CONTAINER_ID_FULL, so don't bother adding it to the "history" event we use to force at least one entry for the container to show up in the log. Signed-off-by: Nalin Dahyabhai <nalin@redhat.com>
* Error logs --follow if events-backend != journald, event-logger=journaldDaniel J Walsh2021-12-06
| | | | | | Fixes: https://github.com/containers/podman/issues/11255 Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
* libpod: create /etc/mtab safelyGiuseppe Scrivano2021-12-06
| | | | | | | | | | | make sure the /etc/mtab symlink is created inside the rootfs when /etc is a symlink. Closes: https://github.com/containers/podman/issues/12189 [NO NEW TESTS NEEDED] there is already a test case Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
* podman machine: use gvproxy for host.containers.internalPaul Holzinger2021-12-06
| | | | | | | | | | | | | | | | Let the gvproxy dns server handle the host.containers.internal entry. Support for this is already added to gvproxy. [1] To make sure the container uses the dns response from gvproxy we should not add host.containers.internal to /etc/hosts in this case. [NO NEW TESTS NEEDED] podman machine has no tests Fixes #11642 [1] https://github.com/containers/gvisor-tap-vsock/commit/1108ea45162281046d239047a6db9bc187e64b08 Signed-off-by: Paul Holzinger <pholzing@redhat.com>
* Fix partial log line handling with journald log driverMatthew Heon2021-11-12
| | | | | | | | | | | Patch originally by Paul Holzinger (sourced from [1]). This is necessary to get the tests to pass in order to include a batch of other, related journald fixes in `podman logs`. [1] https://github.com/containers/podman/pull/12274#issuecomment-967168173 Signed-off-by: Matthew Heon <matthew.heon@pm.me>
* podman-generate-kube - remove empty structs from YAMLBoaz Shuster2021-11-12
| | | | | | [NO NEW TESTS NEEDED] Signed-off-by: Boaz Shuster <boaz.shuster.github@gmail.com>
* shm_lock: Handle ENOSPC better in AllocateSemaphoreIan Wienand2021-11-12
| | | | | | | | | | | | | | | | | | | | | | | | | | When starting a container libpod/runtime_pod_linux.go:NewPod calls libpod/lock/lock.go:AllocateLock ends up in here. If you exceed num_locks, in response to a "podman run ..." you will see: Error: error allocating lock for new container: no space left on device As noted inline, this error is technically true as it is talking about the SHM area, but for anyone who has not dug into the source (i.e. me, before a few hours ago :) your initial thought is going to be that your disk is full. I spent quite a bit of time trying to diagnose what disk, partition, overlay, etc. was filling up before I realised this was actually due to leaking from failing containers. This overrides this case to give a more explicit message that hopefully puts people on the right track to fixing this faster. You will now see: $ ./bin/podman run --rm -it fedora bash Error: error allocating lock for new container: allocation failed; exceeded num_locks (20) [NO NEW TESTS NEEDED] (just changes an existing error message) Signed-off-by: Ian Wienand <iwienand@redhat.com>
* pod/container create: resolve conflicts of generated namesValentin Rothberg2021-11-12
| | | | | | | | | | | Address the TOCTOU when generating random names by having at most 10 attempts to assign a random name when creating a pod or container. [NO TESTS NEEDED] since I do not know a way to force a conflict with randomly generated names in a reasonable time frame. Fixes: #11735 Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
* Set Checkpointed state to false after restoreAdrian Reber2021-11-12
| | | | | | | | | A restored container still had the state set to 'Checkpointed: true' which seems wrong if it running again. [NO NEW TESTS NEEDED] Signed-off-by: Adrian Reber <areber@redhat.com>
* runtime: change PID existence checkGiuseppe Scrivano2021-11-12
| | | | | | | | | | | | | | | commit 6b3b0a17c625bdf71b0ec8b783b288886d8e48d7 introduced a check for the PID file before attempting to move the PID to a new scope. This is still vulnerable to TOCTOU race condition though, since the PID file or the PID can be removed/killed after the check was successful but before it was used. Closes: https://github.com/containers/podman/issues/12065 [NO NEW TESTS NEEDED] it fixes a CI flake Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
* runtime: check for pause pid existenceGiuseppe Scrivano2021-11-12
| | | | | | | | | check that the pause pid exists before trying to move it to a separate scope. Closes: https://github.com/containers/podman/issues/12065 Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
* Slirp4netns with ipv6 set net.ipv6.conf.default.accept_dad=0Paul Holzinger2021-11-12
| | | | | | | | | | | | | | Duplicate Address Detection slows the ipv6 setup down for 1-2 seconds. Since slirp4netns is run it is own namespace and not directly routed we can skip this to make the ipv6 address immediately available. We change the default to make sure the slirp tap interface gets the correct value assigned so DAD is disabled for it. Also make sure to change this value back to the original after slirp4netns is ready in case users rely on this sysctl. Fixes #11062 Signed-off-by: Paul Holzinger <pholzing@redhat.com>
* Fix a few problems in 'podman logs --tail' with journald driverHironori Shiina2021-11-12
| | | | | | | | | | | | | | | | | The following problems regarding `logs --tail` with the journald log driver are fixed: - One more line than a specified value is displayed. - '--tail 0' displays all lines while the other log drivers displays nothing. - Partial lines are not considered. - If the journald events backend is used and a container has exited, nothing is displayed. Integration tests that should have detected the bugs are also fixed. The tests are executed with json-file log driver three times without this fix. Signed-off-by: Hironori Shiina <shiina.hironori@jp.fujitsu.com>
* Document to not set K8S envars for CNIPaul Holzinger2021-11-12
| | | | | | | Setting these environment variables can cause issues with custom CNI plugins, see #12083. Signed-off-by: Paul Holzinger <pholzing@redhat.com>
* [NO NEW TESTS NEEDED] Fix off-by-one index comparision (reported by LGTM)Stefan Weil2021-11-12
| | | | | | | | LGTM alert: Off-by-one index comparison against length may lead to out-of-bounds read. Signed-off-by: Stefan Weil <sw@weilnetz.de>
* Use exponential backoff when waiting for a journal entryNalin Dahyabhai2021-11-12
| | | | | | | | | When looking for a cursor that matches the first journal entry for a given container, wait and try to find it using exponential backoff. [NO NEW TESTS NEEDED] Signed-off-by: Nalin Dahyabhai <nalin@redhat.com>
* Pod Rm Infra Improvementscdoern2021-11-12
| | | | | | | | Made changes so that if the pod contains all exited containers and only infra is running, remove the pod. resolves #11713 Signed-off-by: cdoern <cdoern@redhat.com>
* Remove infra ID from DB before removing containersMatthew Heon2021-11-12
| | | | | | | | | | | | | | | If we interrupt pod removal between removing containers and removing the whole pod, the infra ID was still in the DB, and most pod operations would try to retrieve the infra container (and would this fail). Clear the infra ID from the DB just before we remove all containers to prevent this. Fixes #12034 [NO NEW TESTS NEEDED] This is a very narrow race and I have no idea how to repro it. Signed-off-by: Matthew Heon <mheon@redhat.com>
* Generate Kube should not print default structsDaniel J Walsh2021-11-12
| | | | | | | | | | | | | | | | | | | | If podman uses Workdir="/" or the workdir specified in the image, it should not add it to the yaml. If Podman find environment variables in the image, they should not get added to the yaml. If the container or pod do not have changes to SELinux we should not print seLinuxOpt{} If the container or pod do not change any dns options the yaml should not have a dnsOption={} If the container is not privileged it should not have privileged=false in the yaml. Fixes: https://github.com/containers/podman/issues/11995 Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
* Replace 'an user' => 'a user'Stefan Weil2021-11-12
| | | | Signed-off-by: Stefan Weil <sw@weilnetz.de>
* network reload without ports should not reload portsPaul Holzinger2021-11-11
| | | | | | | | | When run as rootless the podman network reload command tries to reload the rootlessport ports because the childIP could have changed. However if the containers has no ports we should skip this instead of printing a warning. Signed-off-by: Paul Holzinger <pholzing@redhat.com>
* volumes: be more tolerant and fix infinite loopValentin Rothberg2021-11-08
| | | | | | | | | | | | | | | | | | | | | | Make Podman more tolerant when parsing image volumes during container creation and further fix an infinite loop when checking them. Consider `VOLUME ['/etc/foo', '/etc/bar']` in a Containerfile. While it looks correct to the human eye, the single quotes are wrong and yield the two volumes to be `[/etc/foo,` and `/etc/bar]` in Podman and Docker. When running the container, it'll create a directory `bar]` in `/etc` and a directory `[` in `/` with two subdirectories `etc/foo,`. This behavior is surprising to me but how Docker behaves. We may improve on that in the future. Note that the correct way to syntax for volumes in a Containerfile is `VOLUME /A /B /C` or `VOLUME ["/A", "/B", "/C"]`; single quotes are not supported. This change restores this behavior without breaking container creation or ending up in an infinite loop. BZ: https://bugzilla.redhat.com/show_bug.cgi?id=2014149 Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
* Set targetPort to the port value in the kube yamlUrvashi Mohnani2021-10-19
| | | | | | | | | | When the targetPort is not defined, it is supposed to be set to the port value according to the k8s docs. Add tests for targetPort. Update tests to be able to check the Service yaml that is generated. Signed-off-by: Urvashi Mohnani <umohnani@redhat.com>
* Don't include ctr.log if not using file loggingDaniel J Walsh2021-10-19
| | | | | | | | | | Checkpoint is blowing up when you use --log-driver=none [NO NEW TESTS NEEDED] No way currently to test checkpoint restore. Fixes: https://github.com/containers/podman/issues/11974 Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
* Do not add TCP to protocol in generated kube yamlUrvashi Mohnani2021-10-19
| | | | | | | | | | As the default protocol in k8s is TCP, don't add it to the generate yaml when using protocol. Add UDP to the protocol of the generated yaml when udp is being used. Add tests for this as well. Signed-off-by: Urvashi Mohnani <umohnani@redhat.com>
* Don't use docker/pkg/archive, use containers/storage/pkg/archiveDaniel J Walsh2021-10-19
| | | | | | [NO NEW TESTS NEEDED] Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
* Don't add image entrypoint to the generate kube yamlUrvashi Mohnani2021-10-19
| | | | | | | | | | | | If no entrypoint or command is set in the podman create command, and the image command or entrypoint is being used as the default, then do not add the image command or entrypoint to the generated kube yaml. Kubernetes knows to default to the image command and/or entrypoint settings when not defined in the kube yaml. Add and modify tests for this case. Signed-off-by: Urvashi Mohnani <umohnani@redhat.com>
* Kube Gen run as user/group issuescdoern2021-10-19
| | | | | | | | | Removed the inclusion of RunAsUser or RunAsGroup unless a container is run with the --user flag. When building from an image the user will be pulled from there anyway resolves #11914 Signed-off-by: cdoern <cdoern@redhat.com>
* No space in kube annotations for bind mountsBrent Baude2021-10-19
| | | | | | | | | | | Kubernetes fails to deal with an annotation that has a space in it. Trim these strings to remove spaces. Fixes: #11929 Signed-off-by: Brent Baude <bbaude@redhat.com> [NO TESTS NEEDED]
* Ensure `podman ps --sync` functionsMatthew Heon2021-10-19
| | | | | | | | | | | | The backend for `ps --sync` has been nonfunctional for a long while now - probably since v2.0. It's questionable how useful the flag is in modern Podman (the original case it was intended to catch, Conmon gone via SIGKILL, should be handled now via pinging the process with a signal to ensure it's still alive) but having the ability to force a refresh of container state from the OCI runtime is still useful. Signed-off-by: Matthew Heon <mheon@redhat.com>
* Allow `podman stop` to be run on Stopping containersMatthew Heon2021-10-19
| | | | | | | | | | | | | | | | | This allows you to stop a container after a `podman stop` process started, but did not finish, stopping the container (probably an ignored stop signal, with no time to SIGKILL?). This is a very narrow case, but once you're in it the only way to recover is a `podman rm -f` of the container or extensive manual remediation (you'd have to kill the container yourself, manually, and then force a `podman ps --all --sync` to update its status from the OCI runtime). [NO NEW TESTS NEEDED] I have no idea how to verify this one - we need to test that it actually started *during* the other stop command, and that's nontrivial. Signed-off-by: Matthew Heon <mheon@redhat.com>
* libpod: fix race when closing STDINPaul Holzinger2021-10-19
| | | | | | | | | | | | | | | | | | | | There is a race where `conn.Close()` was called before `conn.CloseWrite()`. In this case `CloseWrite` will fail and an useless error is printed. To fix this we move the the `CloseWrite()` call to the same goroutine to remove the race. This ensures that `CloseWrite()` is called before `Close()` and never afterwards. Also fixed podman-remote run where the STDIN was never was closed. This is causing flakes in CI testing. [NO TESTS NEEDED] Fixes #11856 Signed-off-by: Paul Holzinger <pholzing@redhat.com> <MH: Fixed cherry-pick conflicts> Signed-off-by: Matthew Heon <matthew.heon@pm.me>
* Support selinux options with bind mounts play/genBrent Baude2021-09-30
| | | | | | | | | | | | When using play kube and generate kube, we need to support if bind mounts have selinux options. As kubernetes does not support selinux in this way, we tuck the selinux values into a pod annotation for generation of the kube yaml. Then on play, we check annotations to see if a value for the mount exists and apply it. Fixes BZ #1984081 Signed-off-by: Brent Baude <bbaude@redhat.com>
* [NO TESTS NEEDED] Add port configuration to first regular containerUrvashi Mohnani2021-09-29
| | | | | | | | When generating a kube yaml and there is a port configuration add the configuration to the first regular container in the pod and not to the init container. Signed-off-by: Urvashi Mohnani <umohnani@redhat.com>
* Ensure pod ID bucket is properly updated on renameMatthew Heon2021-09-29
| | | | | | | | | | | | | As we were not updating the pod ID bucket, removing a pod with containers still in it (including the infra container, which will always suffer from this) will not properly update the name registry to remove the name of any renamed containers. This patch ensures that does not happen - all containers will be fully removed, even if renamed. Fixes #11750 Signed-off-by: Matthew Heon <matthew.heon@pm.me>
* libpod: do not call (*container).Config()Valentin Rothberg2021-09-29
| | | | | | | | | | | | | | Access the container's config field directly inside of libpod instead of calling `Config()` which in turn creates expensive JSON deep copies. Accessing the field directly drops memory consumption of a simple `podman run --rm busybox true` from 1245kB to 410kB. [NO TESTS NEEDED] Signed-off-by: Valentin Rothberg <rothberg@redhat.com> <MH: Fixed cherry-pick conflicts>
* rootful: do not set XDG_RUNTIME_DIR for cni pluginsPaul Holzinger2021-09-29
| | | | | | | | | | | | | | | The dnsname plugin tries to use XDG_RUNTIME_DIR to store files. podman run will have XDG_RUNTIME_DIR set and thus the cni plugin can use it. The problem is that XDG_RUNTIME_DIR is unset for the conmon process for rootful users. This causes issues since the cleanup process is spawned by conmon and thus not have XDG_RUNTIME_DIR set to same value as podman run. Because of it dnsname will not find the config files and cannot correctly cleanup. To fix this we should also unset XDG_RUNTIME_DIR for the cni plugins as rootful. Signed-off-by: Paul Holzinger <pholzing@redhat.com>
* podman generate kube should not include images commandDaniel J Walsh2021-09-29
| | | | | | | | | If the command came from the underlying image, then we should not include it in the generate yaml file. Fixes: https://github.com/containers/podman/issues/11672 Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
* Ignore mount errors except ErrContainerUnknown when cleaningup containerDaniel J Walsh2021-09-29
| | | | | | | | Fixes: https://github.com/containers/podman/issues/11207 [NO TESTS NEEDED] Since I don't know how to get into this situation. Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
* Generate kube should'd add podman default environment varsDaniel J Walsh2021-09-22
| | | | | | | | | | | | Currently we add the default PATH, TERM and container from Podman to every kubernetes.yaml file. These values should not be recorded in the yaml files. Signed-off-by: Daniel J Walsh <dwalsh@redhat.com> <MH: Fixed cherry-pick conflicts> Signed-off-by: Matthew Heon <matthew.heon@pm.me>