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The option to restore a container from an external checkpoint archive
(podman container restore -i /tmp/checkpoint.tar.gz) restores a
container with the same name and same ID as id had before checkpointing.
This commit adds the option '--name,-n' to 'podman container restore'.
With this option the restored container gets the name specified after
'--name,-n' and a new ID. This way it is possible to restore one
container multiple times.
If a container is restored with a new name Podman will not try to
request the same IP address for the container as it had during
checkpointing. This implicitly assumes that if a container is restored
from a checkpoint archive with a different name, that it will be
restored multiple times and restoring a container multiple times with
the same IP address will fail as each IP address can only be used once.
Signed-off-by: Adrian Reber <areber@redhat.com>
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This commit adds an option to the checkpoint command to export a
checkpoint into a tar.gz file as well as importing a checkpoint tar.gz
file during restore. With all checkpoint artifacts in one file it is
possible to easily transfer a checkpoint and thus enabling container
migration in Podman. With the following steps it is possible to migrate
a running container from one system (source) to another (destination).
Source system:
* podman container checkpoint -l -e /tmp/checkpoint.tar.gz
* scp /tmp/checkpoint.tar.gz destination:/tmp
Destination system:
* podman pull 'container-image-as-on-source-system'
* podman container restore -i /tmp/checkpoint.tar.gz
The exported tar.gz file contains the checkpoint image as created by
CRIU and a few additional JSON files describing the state of the
checkpointed container.
Now the container is running on the destination system with the same
state just as during checkpointing. If the container is kept running
on the source system with the checkpoint flag '-R', the result will be
that the same container is running on two different hosts.
Signed-off-by: Adrian Reber <areber@redhat.com>
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add the ability to commit a container to an image using the remote
client.
Signed-off-by: baude <bbaude@redhat.com>
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Do not remove volumes when --rm removes a container
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This duplicates Docker behavior for the `--rm` flag.
Fixes #3071
Signed-off-by: Matthew Heon <matthew.heon@pm.me>
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the namespace for the remote client was being incorrectly derived from
the "remote" client.
fixes: #2938
Signed-off-by: baude <bbaude@redhat.com>
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Fallback to executing ps(1) in case we hit an unknown psgo descriptor.
This ensures backwards compatibility with docker-top, which was purely
ps(1) driven.
Also support comma-separated descriptors as input.
Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
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the podman generate systemd command will generate a systemd unit file
based on the attributes of an existing container and user inputs. the
command outputs the unit file to stdout for the user to copy or
redirect. it is enabled for the remote client as well.
users can set a restart policy as well as define a stop timeout
override for the container.
Signed-off-by: baude <bbaude@redhat.com>
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Add podman init command
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As part of this, rework the number of workers used by various
Podman tasks to match original behavior - need an explicit
fallthrough in the switch statement for that block to work as
expected.
Also, trivial change to Podman cleanup to work on initialized
containers - we need to reset to a different state after cleaning
up the OCI runtime.
Signed-off-by: Matthew Heon <matthew.heon@pm.me>
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add the port command to the remote client. this allows users to displa
port information about their host system from the remote client
Signed-off-by: baude <bbaude@redhat.com>
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Signed-off-by: Jhon Honce <jhonce@redhat.com>
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enable the ability to prune containers from the remote-command. this
also includes the system prune command.
Signed-off-by: baude <bbaude@redhat.com>
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add the ability for the remote client to display a container's running
processes.
Signed-off-by: baude <bbaude@redhat.com>
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podman remote-client restart containers
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add the ability to restart containers with the remote-client
Signed-off-by: baude <bbaude@redhat.com>
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Signed-off-by: Matthew Heon <mheon@redhat.com>
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Add the ability to pause and unpause containers with the remote client.
Also turned on the pause tests!
Signed-off-by: baude <bbaude@redhat.com>
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enable the ability to start containers from the remote-client. also,
enable start integration tests for remote testing.
Signed-off-by: baude <bbaude@redhat.com>
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remote-client checkpoint/restore
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add the ability for the remote client to be able to checkpoint and
restore containers.
Signed-off-by: baude <bbaude@redhat.com>
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do not try to use ctr if there was an error. It fixes a segfault when
there is already a container with the same name.
regression introduced by: ba65301c955454e47c3893ca548f18a845a4c4a9
Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
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Fixes the ability to run (create,start) a container and attach to its
console correctly. We can now also exit from the console without
hanging the remote client.
Signed-off-by: baude <bbaude@redhat.com>
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Also, you can now podman-remote run -it. There are some bugs that need
to be ironed out but I would prefer to merge this so we can make both
progress on start and exec as well as the bugs.
* when doing podman-remote run -it foo /bin/bash, you have to press
enter to get the prompt to display. with the localized podman, we had to
teach it connect to the console first and then start the container so we
did not miss anything.
* when executing "exit" in the console, we get a hard lockup likely
because nobody knows what to do.
* custom detach keys are not supported
* podman-remote run -it alpine ls does not currently work. only
dropping to a shell works.
Signed-off-by: baude <bbaude@redhat.com>
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podman-remote ps
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add the ability to run ps on containers using the remote client.
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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add the ability to create and run containers via the podman-remote
client.
we now create an intermediate layer from the the create/run cli flags.
the intermediate layer can be converted into a createconfig or into a
varlink struct. Once transported, the varlink struct can be converted
back to an intermediate layer and then to a createconfig.
remote terminals are not supported yet.
Signed-off-by: baude <bbaude@redhat.com>
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add the ability for users to specify more than one container at a time
while using podman logs. If more than one container is being displayed,
podman will also prepend a shortened container id of the container on
the log line.
also, enabled the podman-remote logs command during the refactoring of
the above ability.
fixes issue #2219
Signed-off-by: baude <bbaude@redhat.com>
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Signed-off-by: Jhon Honce <jhonce@redhat.com>
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Support podman-remote kill container(s)
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Signed-off-by: Jhon Honce <jhonce@redhat.com>
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* Bad merge against podman stop, restored overwritten code
Signed-off-by: Jhon Honce <jhonce@redhat.com>
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* Clean up adapter code
* Add GetContainersByContext to Varlink API
* Add missing comments
* Restore save command
* Restore error type mapping when using varlink
Signed-off-by: Jhon Honce <jhonce@redhat.com>
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