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Support running containers without CGroups
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This is mostly used with Systemd, which really wants to manage
CGroups itself when managing containers via unit file.
Signed-off-by: Matthew Heon <matthew.heon@pm.me>
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This isn't included in Docker, but seems handy enough.
Use the new API for 'volume rm' and 'volume inspect'.
Fixes #3891
Signed-off-by: Matthew Heon <matthew.heon@pm.me>
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* Improved error message
* Added documentation
* Updated messages to include missing data
Signed-off-by: Jhon Honce <jhonce@redhat.com>
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prune unwanted messages when running a container remotely. also, cp is
not remote-enabled yet and as such should not be available on the remote
client.
Fixes: #3861
Signed-off-by: baude <bbaude@redhat.com>
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Use GetRuntimeDir to setup auth.json for login
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Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
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add --pull flag for podman create&run
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Requirement from https://github.com/containers/libpod/issues/3575#issuecomment-512238393
Added --pull for podman create and pull to match the newly added flag in docker CLI.
`missing`: default value, podman will pull the image if it does not exist in the local.
`always`: podman will always pull the image.
`never`: podman will never pull the image.
Signed-off-by: Qi Wang <qiwan@redhat.com>
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Squish a few tpyo nits in container.go doc
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A quick fix a few nits in documentation within
cmd/podman/shared/containers.go. This gets the last
bits as noted in #3577
Signed-off-by: TomSweeneyRedHat <tsweeney@redhat.com>
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Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
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fix create&run getting --authfile from cli
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Add flag `--authfile` to create and run so Podman can read authfile path from not only environemnt variable REGISTRY_AUTH_FILE but also CLI
Signed-off-by: Qi Wang <qiwan@redhat.com>
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Fixes #3426
Signed-off-by: Jhon Honce <jhonce@redhat.com>
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--dns-search is defined to remove all search domains from a container.
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
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Previously, we use CreateConfig's Command to populate container
Command (which is used as CMD for Inspect and Commit).
Unfortunately, CreateConfig's Command is the container's full
command, including a prepend of Entrypoint - so we duplicate
Entrypoint for images that include it.
Maintain a separate UserCommand in CreateConfig that does not
include the entrypoint, and use that instead.
Fixes #3708
Signed-off-by: Matthew Heon <matthew.heon@pm.me>
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Set -env variables as appropriate
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close #3648
podman create and podman run do not set --env variable if the environment is not present with a value
Signed-off-by: Qi Wang <qiwan@redhat.com>
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Add an error when there are not enough input arguments for remote
create. Addresses comments in #3656
Signed-off-by: TomSweeneyRedHat <tsweeney@redhat.com>
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Signed-off-by: Jhon Honce <jhonce@redhat.com>
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podman: support --userns=ns|container
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do not attempt to join the user namespace if the pod is running in the
host user namespace.
Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
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fix #3609
Podman import used to check filename to only allow tarball path as a file. It should also allow an url as the doc mentioned. This PR allows the program to continue if the input is a valid URL
Signed-off-by: Qi Wang <qiwan@redhat.com>
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Fix punctuation and wording in some places.
Signed-off-by: John Hooks <hooksie11@gmail.com>
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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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support podman ps filter regular expressions
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podman ps --filter use regexp to match the container name.
Signed-off-by: Qi Wang <qiwan@redhat.com>
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allow a container to run in a new cgroup namespace.
When running in a new cgroup namespace, the current cgroup appears to
be the root, so that there is no way for the container to access
cgroups outside of its own subtree.
By default it uses --cgroup=host to keep the previous behavior.
To create a new namespace, --cgroup=private must be provided.
Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
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When we first began writing Podman, we ran into a major issue
when implementing Inspect. Libpod deliberately does not tie its
internal data structures to Docker, and stores most information
about containers encoded within the OCI spec. However, Podman
must present a CLI compatible with Docker, which means it must
expose all the information in 'docker inspect' - most of which is
not contained in the OCI spec or libpod's Config struct.
Our solution at the time was the create artifact. We JSON'd the
complete CreateConfig (a parsed form of the CLI arguments to
'podman run') and stored it with the container, restoring it when
we needed to run commands that required the extra info.
Over the past month, I've been looking more at Inspect, and
refactored large portions of it into Libpod - generating them
from what we know about the OCI config and libpod's (now much
expanded, versus previously) container configuration. This path
comes close to completing the process, moving the last part of
inspect into libpod and removing the need for the create
artifact.
This improves libpod's compatability with non-Podman containers.
We no longer require an arbitrarily-formatted JSON blob to be
present to run inspect.
Fixes: #3500
Signed-off-by: Matthew Heon <matthew.heon@pm.me>
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Make the healthcheck flags compatible with Docker CLI
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Docker CLI calls the healthcheck flags "--health-*", instead of
"--healthcheck-*".
Introduce the former, in order to keep compatibility, and alias
the later, in order to avoid breaking current usage.
Change "--healthcheck-*" to "--health-*" in the docs and tests.
Signed-off-by: Hunor Csomortáni <csomh@redhat.com>
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If the image was built with "HEALTHCHECK NONE" then we should create a
container without healthcheck configuration. Otherwise executing the
healthcheck on the container will return "unhealthy" instead of the
correct error message that the container doesn't have a healthcheck.
We also ignore the healthcheck configuration if the command list is
empty or the command string is empty.
Fixes #3525
Signed-off-by: Stefan Becker <chemobejk@gmail.com>
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If the image doesn't provide any options, e.g. interval, timeout, etc.,
then apply the Docker defaults when creating the container. Otherwise
the defaults will be left 0 and podman doesn't schedule the healtcheck
service & timer for the container or incorrectly reports unhealthy state
when the check is executed.
Fixes #3525
Signed-off-by: Stefan Becker <chemobejk@gmail.com>
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Fix Docker CLI compatibility issue: the "--healthcheck-command" option
value should not be split but instead be passed as single string to
"CMD-SHELL", i.e. "/bin/sh -c <opt>".
On the other hand implement the same extension as is already available
for "--entrypoint", i.e. allow the option value to be a JSON array of
strings. This will make life easier for tools like podman-compose.
Updated "--healthcheck-command" option values in tests accordingly.
Continuation of #3455 & #3507
Signed-off-by: Stefan Becker <chemobejk@gmail.com>
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Add support for --env-host
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Sometimes you want to add a few environmen variables based on the last field being a "*".
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
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This flag passes the host environment into the container. The basic idea is to
leak all environment variables from the host into the container.
Environment variables from the image, and passed in via --env and --env-file
will override the host environment.
Signed-off-by: Daniel J Walsh <dwalsh@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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if the auth file was overriden, be sure create and run honors it.
Closes: https://github.com/containers/libpod/issues/3524
Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
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the results of a code cleanup performed by the goland IDE.
Signed-off-by: baude <bbaude@redhat.com>
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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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cgroups: add initial support for cgroups v2
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Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
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Fix parsing of the --tmpfs option
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With StringSlice, we're seeing individual options added and
parsed separately, so `tmpfs:nosuid,nodev` turns into three tmpfs
mounts passed into pkg/sec (tmpfs:, nosuid, nodev). Swap to
StringArray to tell cobra this can't be split on commas.
Signed-off-by: Matthew Heon <matthew.heon@pm.me>
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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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fix broken healthcheck tests
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Four of the healthcheck tests were completely broken. They
were written with the option '--healthcheck-cmd' which is
not an option (it should be '--healthcheck-command', with
'command' as a full word). The tests were merely checking
exit code, not error message, so of course they failed.
I have fixed the command line and added checks for the
expected diagnostic.
(Side note: do not write tests that check exit code but
nothing else. This should not need to be said).
One of the four tests was invalid: --healthcheck-interval 0.5s.
Per Brent:
initially i was going to restrict sub one-second intervals
That test has been removed. It would probably be a good idea
for a future PR to add some validation such as preventing
negative values, but that's left as an exercise for later.
Also: grammar fix in an error message.
Caught by my ginkgo log greasemonkey script, which
highlights 'Error' messages and grabbed my attention.
Signed-off-by: Ed Santiago <santiago@redhat.com>
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