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this is the third round of preparing to use the golangci-lint on our
code base.
Signed-off-by: baude <bbaude@redhat.com>
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When removing --all images prune images only attempt to remove read/write images,
ignore read/only images
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
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Include changes to the container's root file-system in the checkpoint archive
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The newly added functionality to include the container's root
file-system changes into the checkpoint archive can now be explicitly
disabled. Either during checkpoint or during restore.
If a container changes a lot of files during its runtime it might be
more effective to migrated the root file-system changes in some other
way and to not needlessly increase the size of the checkpoint archive.
If a checkpoint archive does not contain the root file-system changes
information it will automatically be skipped. If the root file-system
changes are part of the checkpoint archive it is also possible to tell
Podman to ignore these changes.
Signed-off-by: Adrian Reber <areber@redhat.com>
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One of the last limitations when migrating a container using Podman's
'podman container checkpoint --export=/path/to/archive.tar.gz' was
that it was necessary to manually handle changes to the container's root
file-system. The recommendation was to mount everything as --tmpfs where
the root file-system was changed.
This extends the checkpoint export functionality to also include all
changes to the root file-system in the checkpoint archive. The
checkpoint archive now includes a tarstream of the result from 'podman
diff'. This tarstream will be applied to the restored container before
restoring the container.
With this any container can now be migrated, even it there are changes
to the root file-system.
There was some discussion before implementing this to base the root
file-system migration on 'podman commit', but it seemed wrong to do
a 'podman commit' before the migration as that would change the parent
layer the restored container is referencing. Probably not really a
problem, but it would have meant that a migrated container will always
reference another storage top layer than it used to reference during
initial creation.
Signed-off-by: Adrian Reber <areber@redhat.com>
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podman-remote make --size optional in ps
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Close #3578 Add `size` field to PsOpts in podman remote to receive size as an option.
Signed-off-by: Qi Wang <qiwan@redhat.com>
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Before, play kube wasn't properly setting the command. Fix this
Also, begin a dedicated test suite for play kube to catch regressions like this in the future
Signed-off-by: Peter Hunt <pehunt@redhat.com>
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clean up and prepare to migrate to the golangci-linter
Signed-off-by: baude <bbaude@redhat.com>
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Signed-off-by: baude <bbaude@redhat.com>
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By default, podman points PIDFile in generated unit file to non-existent
location. As a result, the unit file, generated by podman, is broken:
an attempt to start this unit without prior modification results in a crash,
because systemd can not find the pidfile of service's main process.
Fix the value of "PIDFile" and add a system test for this case.
Signed-off-by: Danila Kiver <danila.kiver@mail.ru>
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some podman commands do not require the use of a container/image store.
in those cases, it is more effecient to not open the store, because that
results in having to also close the store which can be costly when the
system is under heavy write I/O loads.
Signed-off-by: baude <bbaude@redhat.com>
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libpod: specify a detach keys sequence in libpod.conf
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Add the ability of specifying a detach keys sequence in libpod.conf
Signed-off-by: Marco Vedovati <mvedovati@suse.com>
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libpod removal from main (phase 2)
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this is phase 2 for the removal of libpod from main.
Signed-off-by: baude <bbaude@redhat.com>
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Fix crash for when remote host IP or Username is not set in conf file…
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file exists.
When Host IP is not set in podman-remote.conf, error is printed out.
When Username is not set in podman-remote.conf, default username is used.
Signed-off-by: Ashley Cui <ashleycui16@gmail.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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when using podman-remote on windows, the bridge format must account for
how windows deals with escape quoting. in this case, it does not need
any.
also, reduced duplicated code around generating the bridge endpoint for
the unix and windows platforms.
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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Begin to break up pkg/inspect
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Let's put inspect structs where they're actually being used. We
originally made pkg/inspect to solve circular import issues.
There are no more circular import issues.
Image structs remain for now, I'm focusing on container inspect.
Signed-off-by: Matthew Heon <matthew.heon@pm.me>
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Add support to migrate containers
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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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If restoring a container from a checkpoint it was necessary that the
image the container is based was already available (podman pull).
This commit adds the image download to podman container restore if it
does not exist.
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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podman-remote.conf enablement
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add the ability for the podman remote client to use a configuration file
which describes its connections. users can now define a connection the
configuration and then call it by name like:
podman-remote -c connection1
and the destination and user will be derived from the configuration
file. if no -c is provided, we look for a connection in the
configuration file designated as 'default'. If the configuration file
has only one connection, it will be deemed the 'default'.
Signed-off-by: baude <bbaude@redhat.com>
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podman remote-client commit
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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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Although an upgraded call is requested, the server has to send at least
one reply (can be an error) and the client has to check the reply,
before assuming an upgraded connection.
Signed-off-by: Harald Hoyer <harald@redhat.com>
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Fixup Flags
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Mark hidden all references to signature-policy
Default all uses of --authfile
Add --authfile support to podman run and podman create.
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
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when doing any sort of attach to a container, a sigwinch is sent
followed by a resize event. this is fine for the local client but when
doing things over the varlink, the first sigwinch is wiped out by the
immediate resize event and is therefore lost. by making the channel
buffered, both events are processed after the varlink connection is
established.
Signed-off-by: baude <bbaude@redhat.com>
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Refactor client code to break out building connection string from
making the connection.
Example:
client:
Connection: unix:/run/podman/io.podman
Connection Type: DirectConnection
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:
Signed-off-by: Jhon Honce <jhonce@redhat.com>
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Add information when running `podman version` on client
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* Include service version information and headers
Signed-off-by: Jhon Honce <jhonce@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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allow the user to define a remote host and remote username for their
remote podman sessions. this is then feed to the varlink "bridge" as
the ssh credentials and endpoint.
Signed-off-by: baude <bbaude@redhat.com>
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enable integration tests for remote-client
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first pass at enabling a swath of integration tests for the
remote-client.
Signed-off-by: baude <bbaude@redhat.com>
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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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Signed-off-by: Matthew Heon <matthew.heon@pm.me>
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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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podman-remote port
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