| Commit message (Collapse) | Author | Age |
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We can easily tell if we're going to deadlock by comparing lock
IDs before actually taking the lock. Add a few checks for this in
common places where deadlocks might occur.
This does not yet cover pod operations, where detection is more
difficult (and costly) due to the number of locks being involved
being higher than 2.
Also, add some error wrapping on the Podman side, so we can tell
people to use `system renumber` when it occurs.
Signed-off-by: Matthew Heon <matthew.heon@pm.me>
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Add an --ignore flag to podman rm and stop. When specified, Podman will
ignore "no such {container,pod}" errors that occur when a specified
container/pod is not present in the store (anymore). The motivation
behind adding this flag is to write more robust systemd services using
Podman. A user might have manually decided to remove a container/pod
which would lead to a failure during the `ExecStop` directive of a
systemd service referencing that container/pod.
Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
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Add a --cidfile flag to podman rm/stop to pass a container ID via a
file. Podman run already provides the functionaly to store the ID
in a specified file which we now complete with rm/stop. This allows
for a better life-cycle management in systemd services. Note that
--cdifile can be specified multiple times to rm/stop.
Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
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In commit 52df1fa (Fix volume handling in podman) was implemented the
--volume option for podman remove. However, its behaviour changed after
83db80c (Only remove image volumes when removing containers).
This commit updates the description of this option to reflect the new
behaviour.
Signed-off-by: Radostin Stoyanov <rstoyanov1@gmail.com>
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Add ability to evict a container when it becomes unusable. This may
happen when the host setup changes after a container creation, making it
impossible for that container to be used or removed.
Evicting a container is done using the `rm --force` command.
Signed-off-by: Marco Vedovati <mvedovati@suse.com>
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This enables programs and scripts wrapping the podman command to handle
'podman rm' and 'podman rmi' failures caused by paused or running
containers or due to images having other child images or dependent
containers. These errors are common enough that it makes sense to have
a more machine readable way of detecting them than parsing the standard
error output.
Signed-off-by: Ondrej Zoder <ozoder@redhat.com>
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
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Signed-off-by: baude <bbaude@redhat.com>
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the compilation demands of having libpod in main is a burden for the
remote client compilations. to combat this, we should move the use of
libpod structs, vars, constants, and functions into the adapter code
where it will only be compiled by the local client.
this should result in cleaner code organization and smaller binaries. it
should also help if we ever need to compile the remote client on
non-Linux operating systems natively (not cross-compiled).
Signed-off-by: baude <bbaude@redhat.com>
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This flag switches to removing containers directly from c/storage
and is mostly used to remove orphan containers.
It's a superior solution to our former one, which attempted
removal from storage under certain circumstances and could, under
some conditions, not trigger.
Also contains the beginning of support for storage in `ps` but
wiring that in is going to be a much bigger pain.
Fixes #3329.
Signed-off-by: Matthew Heon <matthew.heon@pm.me>
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Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
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In cases where the remote client culls options to a command, we need to
be sure that the lookup for that flag does not result in a nil pointer.
To do so, we add a Remote attribute to the podman struct and then cli
helper funcs are now aware they are remote.
Signed-off-by: baude <bbaude@redhat.com>
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* refactor command output to use one function
* Add new worker pool parallel operations
* Implement podman-remote umount
* Refactored podman wait to use printCmdOutput()
Signed-off-by: Jhon Honce <jhonce@redhat.com>
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simplify the rootless implementation to use a single user namespace
for all the running containers.
This makes the rootless implementation behave more like root Podman,
where each container is created in the host environment.
There are multiple advantages to it: 1) much simpler implementation as
there is only one namespace to join. 2) we can join namespaces owned
by different containers. 3) commands like ps won't be limited to what
container they can access as previously we either had access to the
storage from a new namespace or access to /proc when running from the
host. 4) rootless varlink works. 5) there are only two ways to enter
in a namespace, either by creating a new one if no containers are
running or joining the existing one from any container.
Containers created by older Podman versions must be restarted.
Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
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in the few places where we care about skipping the storage
initialization, we can simply use the process effective UID, instead
of relying on a global boolean flag.
Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
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Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
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Getting a list of containers, and then deleting them are two separate
fallible steps that can run into different sets of errors. eg., in the
case of a bogus missing container and a container that's running or
paused, the first step will only trigger libpod.ErrNoSuchCtr. At this
point it might appear that the exit code ought to be 1. However, when
attempting the deletion, it will fail once more due to the status of
the running or paused container. Since libpod.ErrNoSuchCtr is no longer
the only error encountered, the exit code should be reset to 125.
This problem is currently masked for rootless usage due to commit
35432ecaae4a8372 ("rootless: fix rm when uid in the container != 0").
Fixes: 85db895012bead6b ("rm: set exit code to 1 if a specified ...")
e41279b902a334e5 ("Change exit code to 1 on podman rm ...")
Signed-off-by: Debarshi Ray <rishi@fedoraproject.org>
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Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
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Cleanup lots of help information to look good when displayed.
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
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Closes: https://github.com/containers/libpod/issues/2539
Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
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Conceptually simple: include, where applicable, a brief
description of command-line options for each subcommand.
Signed-off-by: Ed Santiago <santiago@redhat.com>
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Make it easy for scripts to determine if a container removal
fails versus the container did not exist.
If only errors were no such container exit with 1 versus 125.
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
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in the case of the remote-client, it was decided to hide the latest
flag to avoid confusion for end-users on what the "last" container,
volume, or pod are.
Signed-off-by: baude <bbaude@redhat.com>
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Use the checkallandlatest function to validate flag usage as part
of the cobra command args validation.
Signed-off-by: baude <bbaude@redhat.com>
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Signed-off-by: TomSweeneyRedHat <tsweeney@redhat.com>
Adds the third chunk of Cobra examples to the cli help.
As were putting together a release tomorrow, tried to
hit the heavy commands with this PR.
Signed-off-by: TomSweeneyRedHat <tsweeney@redhat.com>
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iFix builtin volumes to work with podman volume
Currently builtin volumes are not recored in podman volumes when
they are created automatically. This patch fixes this.
Remove container volumes when requested
Currently the --volume option on podman remove does nothing.
This will implement the changes needed to remove the volumes
if the user requests it.
When removing a volume make sure that no container uses the volume.
Signed-off-by: Daniel J Walsh dwalsh@redhat.com
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
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Subcommands should not be showing the global flags. This causes the important
information to scroll off the screen.
Also fixed a typo on runCommmand (Too many 'm's)
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
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Separate remote and local commands
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In the previous CLI, we had an accurate depiction of commands
available for the remote client and those available for the
local client.
Signed-off-by: baude <bbaude@redhat.com>
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Currently we can get into a state where a container exists in
storage but does not exist in libpod. If the user forces a
removal of this container, then we should remove it from storage
even if the container is owned by another tool.
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
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We intend to migrate to the cobra cli from urfave/cli because the
project is more well maintained. There are also some technical reasons
as well which extend into our remote client work.
Signed-off-by: baude <bbaude@redhat.com>
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We now can remove a paused container by sending it a kill signal while it
is paused. We then unpause the container and it is immediately killed.
Also, reworked how the parallelWorker results are handled to provide a
more consistent approach to how each subcommand implements it. It also
fixes a bug where if one container errors, the error message is duplicated
when printed out.
Signed-off-by: baude <bbaude@redhat.com>
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add a global flag for --max-workers so users can limit the number
of parallel operations for a given function. also, when not limited
by max-workers, we implement a heuristic function that returns the
number of preferred parallel workers based on the number of CPUs and
the given operation.
Signed-off-by: baude <bbaude@redhat.com>
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This removes duplicate code paths which has been previously factored out
as getAllOrLatestContainers().
Signed-off-by: Adrian Reber <areber@redhat.com>
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Instead of duplicating the same code in multiple commands this uses the
newly added function checkAllAndLatest() instead.
Signed-off-by: Adrian Reber <areber@redhat.com>
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When doing rm, we now parallelize the actual conainter deletions so they
can complete faster. This speeds up operations like rm -a.
Signed-off-by: baude <bbaude@redhat.com>
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Signed-off-by: Qi Wang <qiwan@redhat.com>
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While this is not implemented yet, it is needed for working with existing
docker scripts.
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
Closes: #1460
Approved by: mheon
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Don't print potentially verbose help messages in case of usage errors,
but print only the usage error followed by a pointer to the command's
help. This aligns with Docker.
```
$ podman run -h
flag needs an argument: -h
See 'podman run --help'.
```
Signed-off-by: Valentin Rothberg <vrothberg@suse.com>
Closes: #1379
Approved by: rhatdan
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Need to get some small changes into libpod to pull back into buildah
to complete buildah transition.
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
Closes: #1270
Approved by: mheon
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Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
Closes: #1167
Approved by: baude
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Instead of delegating to the runtime, since some runtimes do not seem
to handle these reliably [1].
[1]: https://github.com/projectatomic/libpod/issues/730#issuecomment-392959938
Signed-off-by: W. Trevor King <wking@tremily.us>
Closes: #864
Approved by: rhatdan
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implement varlink image functions for working with libpod with the exception of a
couple due to incompletions on the libpod side of things (build).
also, created a first pass at a libpodpy package which will stand as a client to
working with libpod's varlink methods using python.
Signed-off-by: baude <bbaude@redhat.com>
Closes: #669
Approved by: baude
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Created containers that haven't hit runc yet should still
be considered created (not dead).
Also, fixed loop for deleting containers as leftover code
still exited there that prevented proper deletion of containers
that could be deleted.
Signed-off-by: baude <bbaude@redhat.com>
Closes: #238
Approved by: rhatdan
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It is desirable to have a shortcut for the most
recently created container. We can now use "**latest"
to represent the most recent container instead of its
container ID or name. For example:
Signed-off-by: baude <bbaude@redhat.com>
Closes: #179
Approved by: baude
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The decision is in, kpod is going to be named podman.
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
Closes: #145
Approved by: umohnani8
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