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path: root/pkg/domain/infra/abi/containers.go
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* container removal: handle already removed containersValentin Rothberg2021-02-23
| | | | | | | | | | | | Since commit d54478d8eaec, a container's lock is released before attempting to stop it via the OCI runtime. This opened the window for various kinds of race conditions. One of them led to #9479 where the removal+cleanup sequences of a `run --rm` session overlapped with `rm -af`. Make both execution paths more robust by handling the case of an already removed container. Fixes: #9479 Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
* bump go module to v3Valentin Rothberg2021-02-22
| | | | | | | | | We missed bumping the go module, so let's do it now :) * Automated go code with github.com/sirkon/go-imports-rename * Manually via `vgrep podman/v2` the rest Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
* podman kill should report rawInput not container idDaniel J Walsh2021-02-16
| | | | | | | Docker always reports back the users input, not the full id, we should do the same. Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
* When stopping a container, print rawInputDaniel J Walsh2021-02-16
| | | | | | | | | | | When we stop a container we are printing the full id, this does not match Docker behaviour or the start behavior. We should be printing the users rawInput when we successfully stop the container. Fixes: https://github.com/containers/podman/issues/9386 Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
* Improve ContainerEngine.ContainerWait()Matej Vasek2021-02-03
| | | | Signed-off-by: Matej Vasek <mvasek@redhat.com>
* Improve container libpod.Wait*() functionsMatej Vasek2021-02-03
| | | | Signed-off-by: Matej Vasek <mvasek@redhat.com>
* Switch podman stop/kill/wait handlers to use abiDaniel J Walsh2021-01-29
| | | | | | | | | | | | Change API Handlers to use the same functions that the local podman uses. At the same time: implement remote API for --all and --ignore flags for podman stop implement remote API for --all flags for podman stop Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
* Fix handling of container removeDaniel J Walsh2021-01-20
| | | | | | | | | | | | | | | | | | | | I found several problems with container remove podman-remote rm --all Was not handled podman-remote rm --ignore Was not handled Return better errors when attempting to remove an --external container. Currently we return the container does not exists, as opposed to container is an external container that is being used. This patch also consolidates the tunnel code to use the same code for removing the container, as the local API, removing duplication of code and potential problems. Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
* Initial implementation of renaming containersMatthew Heon2021-01-14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Basic theory: We remove the container, but *only from the DB*. We leave it in c/storage, we leave the lock allocated, we leave it running (if it is). Then we create an identical container with an altered name, and add that back to the database. Theoretically we now have a renamed container. The advantage of this approach is that it doesn't just apply to rename - we can use this to make *any* configuration change to a container that does not alter its container ID. Potential problems are numerous. This process is *THOROUGHLY* non-atomic at present - if you `kill -9` Podman mid-rename things will be in a bad place, for example. Also, we can't rename containers that can't be removed normally - IE, containers with dependencies (pod infra containers, for example). The largest potential improvement will be to move the majority of the work into the DB, with a `RecreateContainer()` method - that will add atomicity, and let us remove the container without worrying about depencies and similar issues. Potential problems: long-running processes that edit the DB and may have an older version of the configuration around. Most notable example is `podman run --rm` - the removal command needed to be manually edited to avoid this one. This begins to get at the heart of me not wanting to do this in the first place... This provides CLI and API implementations for frontend, but no tunnel implementation. It will be added in a future release (just held back for time now - we need this in 3.0 and are running low on time). This is honestly kind of horrifying, but I think it will work. Signed-off-by: Matthew Heon <mheon@redhat.com>
* Merge pull request #8947 from Luap99/cleanup-codeOpenShift Merge Robot2021-01-12
|\ | | | | Fix problems reported by staticcheck
| * Fix problems reported by staticcheckPaul Holzinger2021-01-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | `staticcheck` is a golang code analysis tool. https://staticcheck.io/ This commit fixes a lot of problems found in our code. Common problems are: - unnecessary use of fmt.Sprintf - duplicated imports with different names - unnecessary check that a key exists before a delete call There are still a lot of reported problems in the test files but I have not looked at those. Signed-off-by: Paul Holzinger <paul.holzinger@web.de>
* | add pre checkpointunknown2021-01-10
|/ | | | Signed-off-by: Zhuohan Chen <chen_zhuohan@163.com>
* Include named volumes in container migrationRadostin Stoyanov2021-01-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When migrating a container with associated volumes, the content of these volumes should be made available on the destination machine. This patch enables container checkpoint/restore with named volumes by including the content of volumes in checkpoint file. On restore, volumes associated with container are created and their content is restored. The --ignore-volumes option is introduced to disable this feature. Example: # podman container checkpoint --export checkpoint.tar.gz <container> The content of all volumes associated with the container are included in `checkpoint.tar.gz` # podman container checkpoint --export checkpoint.tar.gz --ignore-volumes <container> The content of volumes is not included in `checkpoint.tar.gz`. This is useful, for example, when the checkpoint/restore is performed on the same machine. # podman container restore --import checkpoint.tar.gz The associated volumes will be created and their content will be restored. Podman will exit with an error if volumes with the same name already exist on the system or the content of volumes is not included in checkpoint.tar.gz # podman container restore --ignore-volumes --import checkpoint.tar.gz Volumes associated with container must already exist. Podman will not create them or restore their content. Signed-off-by: Radostin Stoyanov <rstoyanov@fedoraproject.org>
* Use Options as CRImportCheckpoint() argumentRadostin Stoyanov2021-01-07
| | | | | | | | | Instead of specifying restore option arguments individually from RestoreOptions, provide the 'options' object to the CRImportCheckpoint method. This change makes the code in CRImportCheckpoint easier to extend as it doesn't require excessive number of function parameters. Signed-off-by: Radostin Stoyanov <rstoyanov@fedoraproject.org>
* Rework pruning to report reclaimed spaceBaron Lenardson2020-12-30
| | | | | | | | | | | | This change adds code to report the reclaimed space after a prune. Reclaimed space from volumes, images, and containers is recorded during the prune call in a PruneReport struct. These structs are collected into a slice during a system prune and processed afterwards to calculate the total reclaimed space. Closes #8658 Signed-off-by: Baron Lenardson <lenardson.baron@gmail.com>
* Consolidate filter logic to pkg subdirectoryBaron Lenardson2020-12-24
| | | | | | | Per the conversation on pull/8724 I am consolidating filter logic and helper functions under the pkg/domain/filters dir. Signed-off-by: Baron Lenardson <lenardson.baron@gmail.com>
* add --cidfile to container killbaude2020-12-23
| | | | | | | | | Add the ability to read container ids from one or more files for the kill command. Fixes: #8443 Signed-off-by: baude <bbaude@redhat.com>
* podman logs honor stderr correctlyPaul Holzinger2020-12-10
| | | | | | | | Make the ContainerLogsOptions support two io.Writers, one for stdout and the other for stderr. The logline already includes the information to which Writer it has to be written. Signed-off-by: Paul Holzinger <paul.holzinger@web.de>
* Allow containers to --restart on-failure with --rmDaniel J Walsh2020-11-20
| | | | Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
* Align the podman ps --filter behavior with dockerPaul Holzinger2020-11-18
| | | | | | | | | | All of our filters worked exclusive resulting in `--filter status=created --filter status=exited` to return nothing. In docker filters with the same key work inclusive with the only exception being `label` which is exclusive. Filters with different keys always work exclusive. This PR aims to match the docker behavior with podman. Signed-off-by: Paul Holzinger <paul.holzinger@web.de>
* Add support for mounting external containersDaniel J Walsh2020-11-04
| | | | | | | | | Continue progress on use of external containers. This PR adds the ability to mount, umount and list the storage containers whether they are in libpod or not. Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
* The cidfile should be created when the container is createdDaniel J Walsh2020-10-26
| | | | | | | | | | | Currently if you run an interactive session of podman run and specifiy the --cidfile option, the cidfile will not get created until the container finishes running. If you run a detached container, it will get created right away. This Patch creates the cidfile as soon as the container is created. This could allow other tools to use the cidefile on all running containers. Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
* Add support for external containerDaniel J Walsh2020-10-15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | External containers are containers created outside of Podman. For example Buildah and CRI-O Containers. $ buildah from alpine alpine-working-container $ buildah run alpine-working-container touch /test $ podman container exists --external alpine-working-container $ podman container diff alpine-working-container C /etc A /test Added --external flag to refer to external containers, rather then --storage. Added --external for podman container exists and modified podman ps to use --external rather then --storage. It was felt that --storage would confuse the user into thinking about changing the storage driver or options. --storage is still supported through the use of aliases. Finally podman contianer diff, does not require the --external flag, since it there is little change of users making the mistake, and would just be a pain for the user to remember the flag. podman container exists --external is required because it could fool scripts that rely on the existance of a Podman container, and there is a potential for a partial deletion of a container, which could mess up existing users. Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
* fix podman container exists and diff for storage containersDaniel J Walsh2020-10-15
| | | | | | | | | | | | Current these commands only check if a container exists in libpod. With this fix, the commands will also check if they are in containers/storage. This allows users to look at differences within a buildah or CRI-O container. Currently buildah diff does not exists, so this helps out in that situation as well as in CRI-O since the cri does not implement a diff command. Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
* Merge pull request #7955 from ParkerVR/7751-altOpenShift Merge Robot2020-10-13
|\ | | | | Container detach newlines
| * newlines on all container detachesParker Van Roy2020-10-07
| | | | | | | | Signed-off-by: Parker Van Roy <pvanroy@redhat.com>
* | Merge pull request #7891 from rhatdan/rmOpenShift Merge Robot2020-10-09
|\ \ | | | | | | This PR allows users to remove external containers directly
| * | This PR allows users to remove external containers directlyDaniel J Walsh2020-10-09
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currenly if a user specifies the name or ID of an external storage container, we report an error to them. buildah from scratch working-container-2 podman rm working-container-2 Error: no container with name or ID working-container-2 found: no such container Since the user specified the correct name and the container is in storage we force them to specify --storage to remove it. This is a bad experience for the user. This change will just remove the container from storage. If the container is known by libpod, it will remove the container from libpod as well. The podman rm --storage option has been deprecated, and removed from docs. Also cleaned documented options that are not available to podman-remote. Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
* / Move pod jobs to parallel executionMatthew Heon2020-10-07
|/ | | | | | | | | | | | | | | | | | | | | | Make Podman pod operations that do not involve starting containers (which needs to be done in a specific order) use the same parallel operation code we use to make `podman stop` on large numbers of containers fast. We were previously stopping containers in a pod serially, which could take up to the timeout (default 15 seconds) for each container - stopping 100 containers that do not respond to SIGTERM would take 25 minutes. To do this, refactor the parallel operation code a bit to remove its dependency on libpod (damn circular import restrictions...) and use parallel functions that just re-use the standard container API operations - maximizes code reuse (previously each pod handler had a separate implementation of the container function it performed). This is a bit of a palate cleanser after fighting CI for two days - nice to be able to return to a land of sanity. Signed-off-by: Matthew Heon <matthew.heon@pm.me>
* Lowercase some errorsKir Kolyshkin2020-10-05
| | | | | | | | | | | | | | | | | | | | | This commit is courtesy of ``` for f in $(git ls-files *.go | grep -v ^vendor/); do \ sed -i 's/\(errors\..*\)"Error /\1"error /' $f; done for f in $(git ls-files *.go | grep -v ^vendor/); do \ sed -i 's/\(errors\..*\)"Failed to /\1"failed to /' $f; done ``` etc. Self-reviewed using `git diff --word-diff`, found no issues. Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>
* Remove excessive error wrappingKir Kolyshkin2020-10-05
| | | | | | | | | | | | | | | | | In case os.Open[File], os.Mkdir[All], ioutil.ReadFile and the like fails, the error message already contains the file name and the operation that fails, so there is no need to wrap the error with something like "open %s failed". While at it - replace a few places with os.Open, ioutil.ReadAll with ioutil.ReadFile. - replace errors.Wrapf with errors.Wrap for cases where there are no %-style arguments. Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>
* stats: break out CLI optionsValentin Rothberg2020-09-24
| | | | | | | | Have a clear separation of concerns for the CLI-only options (and their logic) from the backend. The backend logic is now easier to understand (e.g., `stream` instead of `noStream`). Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
* new endpoint: /libpod/containers/statsValentin Rothberg2020-09-24
| | | | | | | | | Add a new endpoint for container stats allowing for batch operations on more than one container. The new endpoint deprecates the single-container endpoint which will eventually be removed with the next major release. Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
* stats refactorValentin Rothberg2020-09-23
| | | | | | | | | | | | Refactor the entities' stats API to simplify using it and reduce the risk of running into concurrency issues at the call sites. Further simplify the stats code by de-spaghetti-ing the logic and reducing duplicate code. `ContainerStats` now returns a data channel and an error. If the error is nil, callers can read from the channel. Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
* Fix podman ps -lDaniel J Walsh2020-09-09
| | | | | | | | Currently the --latest flag is ignored by podman ps command. Fixes https://bugzilla.redhat.com/show_bug.cgi?id=1877182 Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
* podman stop: do not cleanup for auto-removalValentin Rothberg2020-09-08
| | | | | | | | | | | | Do not perform a container clean up for containers configured for auto-removal (e.g., via `podman run --rm`). There is a small race window with the other process performing the removal where a clean up during podman-stop may fail since the container has already been removed and cleaned up. As the removing process will clean up the container, we don't have to do it during podman-stop. Fixes: #7384 Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
* Switch all references to github.com/containers/libpod -> podmanDaniel J Walsh2020-07-28
| | | | Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
* log API: add context to allow for cancellingValentin Rothberg2020-07-09
| | | | | | | | | Add a `context.Context` to the log APIs to allow for cancelling streaming (e.g., via `podman logs -f`). This fixes issues for the remote API where some go routines of the server will continue writing and produce nothing but heat and waste CPU cycles. Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
* move go module to v2Valentin Rothberg2020-07-06
| | | | | | | | | | | | | | | With the advent of Podman 2.0.0 we crossed the magical barrier of go modules. While we were able to continue importing all packages inside of the project, the project could not be vendored anymore from the outside. Move the go module to new major version and change all imports to `github.com/containers/libpod/v2`. The renaming of the imports was done via `gomove` [1]. [1] https://github.com/KSubedi/gomove Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
* Fix `system service` panic from early hangup in eventsMatthew Heon2020-07-02
| | | | | | | | | | | | We weren't actually halting the goroutine that sent events, so it would continue sending even when the channel closed (the most notable cause being early hangup - e.g. Control-c on a curl session). Use a context to cancel the events goroutine and stop sending events. Fixes #6805 Signed-off-by: Matthew Heon <matthew.heon@pm.me>
* Allow recursive dependency start with Init()Matthew Heon2020-06-18
| | | | | | | | | | | | | | | | | | | | As part of APIv2 Attach, we need to be able to attach to freshly created containers (in ContainerStateConfigured). This isn't something Libpod is interested in supporting, so we use Init() to get the container into ContainerStateCreated, in which attach is possible. Problem: Init() will fail if dependencies are not started, so a fresh container in a fresh pod will fail. The simplest solution is to extend the existing recursive start code from Start() to Init(), allowing dependency containers to be started when we initialize the container (optionally, controlled via bool). Also, update some comments in container_api.go to make it more clear how some of our major API calls work. Fixes #6646 Signed-off-by: Matthew Heon <mheon@redhat.com>
* Merge pull request #6636 from mheon/add_warningsOpenShift Merge Robot2020-06-17
|\ | | | | Re-add resource limit warnings to Specgen
| * Re-add resource limit warnings to SpecgenMatthew Heon2020-06-16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | These were part of Podman v1.9, but were lost in the transition to using Specgen to create containers. Most resource limits are checked via the sysinfo package to ensure they are safe to use (the cgroup is mounted, kernel support is present, etc) and removed if not safe. Further, bounds checks are performed to ensure that values are valid. Ensure these warnings are printed client-side when they occur. This part is a little bit gross, as it happens in pkg/infra and not cmd/podman, which is largely down to how we implemented `podman run` - all the work is done in pkg/infra and it returns only once the container has exited, and we need warnings to print *before* the container runs. The solution here, while inelegant, avoid the need to extensively refactor our handling of run. Should fix blkio-limit warnings that were identified by the FCOS test suite. Signed-off-by: Matthew Heon <matthew.heon@pm.me>
* | Fix podman inspect on overlapping/missing objectsMatthew Heon2020-06-16
|/ | | | | | | | | | | | | | | | | | | | | | | | | | | This started as a small fix to `podman inspect` where a container and image, with the same name/tag, were present, and `podman inspect` was run on that name. `podman inspect` in 1.9 (and `docker inspect`) will give you the container; in v2.0, we gave the image. This was an easy fix (just reorder how we check for image/container). Unfortunately, in the process of testing this fix, I determined that we regressed in a different area. When you run inspect on a number of containers, some of which do not exist, `podman inspect` should return an array of inspect results for the objects that exist, then print a number of errors, one for each object that could not be found. We were bailing after the first error, and not printing output for the containers that succeeded. (For reference, this applied to images as well). This required a much more substantial set of changes to properly handle - signatures for the inspect functions in ContainerEngine and ImageEngine, plus the implementations of these interfaces, plus the actual inspect frontend code needed to be adjusted to use this. Fixes #6556 Signed-off-by: Matthew Heon <matthew.heon@pm.me>
* Turn on More lintersDaniel J Walsh2020-06-15
| | | | | | | | | - misspell - prealloc - unparam - nakedret Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
* Fix Id->ID where possible for lintDaniel J Walsh2020-06-10
| | | | Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
* Fixup issues found by golintDaniel J Walsh2020-06-10
| | | | Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
* Add parallel operation to `podman stop`Matthew Heon2020-06-05
| | | | | | | | | | | | This is the other command that benefits greatly from being run in parallel, due to the potential 15-second timeout for containers that ignore SIGTERM. While we're at it, also clean up how stop timeout is set. This needs to be an optional parameter, so that the value set when the container is created with `--stop-timeout` will be respected. Signed-off-by: Matthew Heon <matthew.heon@pm.me>
* Add parallel execution code for container operationsMatthew Heon2020-06-05
| | | | | | | | This code will run container operations in parallel, up to a given maximum number of threads. Currently, it has only been enabled for local `podman rm` as a proof of concept. Signed-off-by: Matthew Heon <matthew.heon@pm.me>
* When stopping containers locally, ensure cleanup runsMatthew Heon2020-06-03
| | | | | | | | | | | | | The cleanup process was already running and ensuring that mounts and networking configuration was cleaned up on container stop, but this was async from the actual `podman stop` command which breaks some expectations - the container is still mounted at the end of `podman stop` and will be cleaned up soon, but not immediately. Fortunately, it's a trivial change to resolve this. Fixes #5747 Signed-off-by: Matthew Heon <matthew.heon@pm.me>
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