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path: root/cmd/podman/main.go
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* Capatilize all usage and descriptionsDaniel J Walsh2019-02-05
| | | | | | | | | We have no consistancy in out option usages and descritions on whether or not the first letter should be capatalized. This patch forces them all to be capatilized. Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
* Add podman system prune and info commandsDaniel J Walsh2019-02-05
| | | | | | | | | We are missing the equivalence of the docker system commands This patch set adds `podman system prune` and `podman system info` Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
* podman-remote import|exportbaude2019-02-05
| | | | | | | | addition of import and export for the podman-remote client. This includes the ability to send and receive files between the remote-client and the "podman" host using an upgraded varlink connection. Signed-off-by: baude <bbaude@redhat.com>
* enable podman-remote versionbaude2019-01-21
| | | | | | | | | | initial enablement of podman-remote version. includes add a APIVersion const that will allow us to check compatibility between host/client when connections are made. also added client related information to podman info. Signed-off-by: baude <bbaude@redhat.com>
* Mask unimplemeted commands for remote clientbaude2019-01-19
| | | | | | | | | | | Masking main level, image, and container commands that are not yet implemented for the remote client. As each command is completed, be sure to unmask it. Also, masking podman command line switches that are not applicable to the remote client. Signed-off-by: baude <bbaude@redhat.com>
* Add darwin support for remote-clientbaude2019-01-11
| | | | | | | | Add the ability to cross-compile podman remote for OSX. Also, add image exists and tag to remote-client. Signed-off-by: baude <bbaude@redhat.com>
* podman: bump RLIMIT_NOFILE also without CAP_SYS_RESOURCEGiuseppe Scrivano2019-01-10
| | | | | | | | | | If we are not able to make arbitrary changes to the RLIMIT_NOFILE when lacking CAP_SYS_RESOURCE, don't fail but bump the limit to the maximum allowed. In this way the same code path works with rootless mode. Closes: https://github.com/containers/libpod/issues/2123 Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
* podman: set umask to 022Giuseppe Scrivano2019-01-07
| | | | | | | | | | be sure there are no bits in the umask that prevent us for creating directories with mode 0755. Set the umask very early in the program startup. Closes: https://github.com/containers/libpod/issues/2074 Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
* export: fix usage with rootless containersGiuseppe Scrivano2018-12-21
| | | | | | | | | | | | | | Fix usage of export when rootless containers are used without vfs. We join the conmon process namespaces as the container is running in a different one. There can be a problem if the user specify a different path for the conmon process, and then the file is deleted. In this case podman won't be able to find the conmon process to join. Closes: https://github.com/containers/libpod/issues/2027 Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
* Add Playbaude2018-12-19
| | | | | | | podman play kube adds the ability for the user to recreate pods and containers from a Kubernetes YAML file in libpod. Signed-off-by: baude <bbaude@redhat.com>
* mount: allow mount only when using vfsGiuseppe Scrivano2018-12-12
| | | | | | | | | | when using a driver different than vfs, the mount is probably in a different mount namespace thus not accessible from the host. Avoid the confusion by not allowing mount when a different driver is used. Closes: https://github.com/containers/libpod/issues/1964 Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
* rootless: fix restart when using fuse-overlayfsGiuseppe Scrivano2018-12-11
| | | | | | | | | | With rootless containers we cannot really restart an existing container as we would need to join the mount namespace as well to be able to reuse the storage, so ensure the container is stopped first. Closes: https://github.com/containers/libpod/issues/1965 Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
* Add "podman volume" commandumohnani82018-12-06
| | | | | | | | | | | | | | | Add support for podman volume and its subcommands. The commands supported are: podman volume create podman volume inspect podman volume ls podman volume rm podman volume prune This is a tool to manage volumes used by podman. For now it only handle named volumes, but eventually it will handle all volumes used by podman. Signed-off-by: umohnani8 <umohnani@redhat.com>
* libpod/container_internal: Deprecate implicit hook directoriesW. Trevor King2018-12-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Part of the motivation for 800eb863 (Hooks supports two directories, process default and override, 2018-09-17, #1487) was [1]: > We only use this for override. The reason this was caught is people > are trying to get hooks to work with CoreOS. You are not allowed to > write to /usr/share... on CoreOS, so they wanted podman to also look > at /etc, where users and third parties can write. But we'd also been disabling hooks completely for rootless users. And even for root users, the override logic was tricky when folks actually had content in both directories. For example, if you wanted to disable a hook from the default directory, you'd have to add a no-op hook to the override directory. Also, the previous implementation failed to handle the case where there hooks defined in the override directory but the default directory did not exist: $ podman version Version: 0.11.2-dev Go Version: go1.10.3 Git Commit: "6df7409cb5a41c710164c42ed35e33b28f3f7214" Built: Sun Dec 2 21:30:06 2018 OS/Arch: linux/amd64 $ ls -l /etc/containers/oci/hooks.d/test.json -rw-r--r--. 1 root root 184 Dec 2 16:27 /etc/containers/oci/hooks.d/test.json $ podman --log-level=debug run --rm docker.io/library/alpine echo 'successful container' 2>&1 | grep -i hook time="2018-12-02T21:31:19-08:00" level=debug msg="reading hooks from /usr/share/containers/oci/hooks.d" time="2018-12-02T21:31:19-08:00" level=warning msg="failed to load hooks: {}%!(EXTRA *os.PathError=open /usr/share/containers/oci/hooks.d: no such file or directory)" With this commit: $ podman --log-level=debug run --rm docker.io/library/alpine echo 'successful container' 2>&1 | grep -i hook time="2018-12-02T21:33:07-08:00" level=debug msg="reading hooks from /usr/share/containers/oci/hooks.d" time="2018-12-02T21:33:07-08:00" level=debug msg="reading hooks from /etc/containers/oci/hooks.d" time="2018-12-02T21:33:07-08:00" level=debug msg="added hook /etc/containers/oci/hooks.d/test.json" time="2018-12-02T21:33:07-08:00" level=debug msg="hook test.json matched; adding to stages [prestart]" time="2018-12-02T21:33:07-08:00" level=warning msg="implicit hook directories are deprecated; set --hooks-dir="/etc/containers/oci/hooks.d" explicitly to continue to load hooks from this directory" time="2018-12-02T21:33:07-08:00" level=error msg="container create failed: container_linux.go:336: starting container process caused "process_linux.go:399: container init caused \"process_linux.go:382: running prestart hook 0 caused \\\"error running hook: exit status 1, stdout: , stderr: oh, noes!\\\\n\\\"\"" (I'd setup the hook to error out). You can see that it's silenly ignoring the ENOENT for /usr/share/containers/oci/hooks.d and continuing on to load hooks from /etc/containers/oci/hooks.d. When it loads the hook, it also logs a warning-level message suggesting that callers explicitly configure their hook directories. That will help consumers migrate, so we can drop the implicit hook directories in some future release. When folks *do* explicitly configure hook directories (via the newly-public --hooks-dir and hooks_dir options), we error out if they're missing: $ podman --hooks-dir /does/not/exist run --rm docker.io/library/alpine echo 'successful container' error setting up OCI Hooks: open /does/not/exist: no such file or directory I've dropped the trailing "path" from the old, hidden --hooks-dir-path and hooks_dir_path because I think "dir(ectory)" is already enough context for "we expect a path argument". I consider this name change non-breaking because the old forms were undocumented. Coming back to rootless users, I've enabled hooks now. I expect they were previously disabled because users had no way to avoid /usr/share/containers/oci/hooks.d which might contain hooks that required root permissions. But now rootless users will have to explicitly configure hook directories, and since their default config is from ~/.config/containers/libpod.conf, it's a misconfiguration if it contains hooks_dir entries which point at directories with hooks that require root access. We error out so they can fix their libpod.conf. [1]: https://github.com/containers/libpod/pull/1487#discussion_r218149355 Signed-off-by: W. Trevor King <wking@tremily.us>
* output libpod container to kubernetes yamlbaude2018-11-19
| | | | | | | | | | | | | scope out new kube subcommand where we can add generate. you can now generate kubernetes YAML that will allow you to run the container in a kubernetes environment. When The YAML description will always "wrap" a container in a simple v1.Pod description. Tests and further documentation will be added in additional PRs. This function should be considered very much "under heavy development" at this point. Signed-off-by: baude <bbaude@redhat.com>
* Add --max-workers and heuristics for parallel operationsbaude2018-10-25
| | | | | | | | | | 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>
* rootless: always set XDG_RUNTIME_DIRGiuseppe Scrivano2018-10-03
| | | | | | | | it is used internally by containers/image to locate the auth file. Closes: https://github.com/containers/libpod/issues/1457 Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
* report when rootlessbaude2018-09-20
| | | | | | | | | | when running as rootless, report as such. resolves: #1509 Signed-off-by: baude <bbaude@redhat.com> Closes: #1514 Approved by: rhatdan
* Do not set rlimits if we are rootlessMatthew Heon2018-09-13
| | | | | | | Signed-off-by: Matthew Heon <matthew.heon@gmail.com> Closes: #1437 Approved by: rhatdan
* Up default Podman rlimits to avoid max open filesMatthew Heon2018-09-13
| | | | | | | | | | | Every port we open consumes an open FD. This can easily consume all available FDs for the podman process. Set rlimits to resolve this. Signed-off-by: Matthew Heon <matthew.heon@gmail.com> Closes: #1437 Approved by: rhatdan
* Fix up libpod.conf man pages and referencese to it.Daniel J Walsh2018-09-06
| | | | | | | | | Remove podman --config option, since it does not do anything. Signed-off-by: Daniel J Walsh <dwalsh@redhat.com> Closes: #1410 Approved by: mheon
* rootless, create: support --podGiuseppe Scrivano2018-09-04
| | | | | | | Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com> Closes: #1372 Approved by: mheon
* rootless, run: support --podGiuseppe Scrivano2018-09-04
| | | | | | | | | | move re-exec later on, so that we can check whether we need to join the infra container user namespace or we need to create another one. Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com> Closes: #1372 Approved by: mheon
* rootless: be in an userns to initialize the runtimeGiuseppe Scrivano2018-09-04
| | | | | | | | | | | be sure to be in an userns for a rootless process before initializing the runtime. In case we are not running as uid==0, take advantage of "podman info" that creates the runtime. Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com> Closes: #1372 Approved by: mheon
* catch command-not-found errorsValentin Rothberg2018-08-31
| | | | | | | | | | | | | | | | | | | | Add a special handler to catch errors caused by specifying unknown commands to Podman. This allows printing a more helpful error message. ``` $ podman Command "123123" not found. See `podman --help`. $ podman pod 123123 Command "123123" not found. See `podman pod --help`. ``` Signed-off-by: Valentin Rothberg <vrothberg@suse.com> Closes: #1379 Approved by: rhatdan
* don't print help message for usage errorsValentin Rothberg2018-08-31
| | | | | | | | | | | | | | | | | 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
* rootless: show an error when stats is usedGiuseppe Scrivano2018-08-29
| | | | | | | Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com> Closes: #1371 Approved by: rhatdan
* rootless: show an error when pause/unpause are usedGiuseppe Scrivano2018-08-29
| | | | | | | Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com> Closes: #1371 Approved by: rhatdan
* rootless: fix topGiuseppe Scrivano2018-08-29
| | | | | | | | | | join the user namespace used to create the container so that psgo can work in the same way as with root containers. Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com> Closes: #1371 Approved by: rhatdan
* rootless, search: do not create a new usernsGiuseppe Scrivano2018-08-28
| | | | | | | Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com> Closes: #1360 Approved by: vrothberg
* rootless, login, logout: do not create a new usernsGiuseppe Scrivano2018-08-28
| | | | | | | Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com> Closes: #1360 Approved by: vrothberg
* rootless, kill: do not create a new usernsGiuseppe Scrivano2018-08-28
| | | | | | | Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com> Closes: #1360 Approved by: vrothberg
* rootless, stop: do not create a new usernsGiuseppe Scrivano2018-08-28
| | | | | | | Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com> Closes: #1360 Approved by: vrothberg
* rootless: fix execGiuseppe Scrivano2018-08-26
| | | | | | | | | | | | | | | | | | | | | We cannot re-exec into a new user namespace to gain privileges and access an existing as the new namespace is not the owner of the existing container. "unshare" is used to join the user namespace of the target container. The current implementation assumes that the main process of the container didn't create a new user namespace. Since in the setup phase we are not running with euid=0, we must skip the setup for containers/storage. Closes: https://github.com/containers/libpod/issues/1329 Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com> Closes: #1331 Approved by: rhatdan
* Mention that systemd is the default cgroup managerMatthew Heon2018-08-17
| | | | | | | | | | | Update docs to reflect our changed default CGroup manager. Fixes: #1292 Signed-off-by: Matthew Heon <matthew.heon@gmail.com> Closes: #1293 Approved by: baude
* switch projectatomic to containersDaniel J Walsh2018-08-16
| | | | | | | | | | 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
* rootless: not require userns for help/versionGiuseppe Scrivano2018-08-14
| | | | | | | | | | | these commands do not require to be root in an userns Closes: https://github.com/containers/libpod/issues/1263 Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com> Closes: #1268 Approved by: vrothberg
* Address first round of review commentsMatthew Heon2018-07-24
| | | | Signed-off-by: Matthew Heon <matthew.heon@gmail.com>
* Add --namespace flag to PodmanMatthew Heon2018-07-24
| | | | | | | Allows joining libpod to a specific namespace when running a Podman command. Signed-off-by: Matthew Heon <matthew.heon@gmail.com>
* Merge pull request #1075 from giuseppe/rootless-no-symlinks-into-storage-pathDaniel J Walsh2018-07-13
|\ | | | | rootless: fix usage on Fedora Silverblue/CoreOS
| * rootless: correctly propagate the exit status from the containerGiuseppe Scrivano2018-07-13
| | | | | | | | Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
* | Podman pod create/rm commands with man page and tests.haircommander2018-07-13
| | | | | | | | | | | | Includes a very stripped down version of podman pod ps, just for testing Signed-off-by: haircommander <pehunt@redhat.com>
* | Log all output of logrus to syslog as well as stdout/stderrDaniel J Walsh2018-07-12
|/ | | | | | | Signed-off-by: Daniel J Walsh <dwalsh@redhat.com> Closes: #1084 Approved by: baude
* rootless: add management for the userNSGiuseppe Scrivano2018-06-27
| | | | | | | | | | When running podman as non root user always create an userNS and let the OCI runtime use it. Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com> Closes: #936 Approved by: rhatdan
* make varlink optional for podmanbaude2018-06-24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | some platforms and operating systems do not have varlink. in those cases, we need to be able to turn off enablement of varlink in podman. this can now be done with BUILDTAGS passed to the build though perhaps in the future will be better. the default is to build with varlink Signed-off-by: baude <bbaude@redhat.com> squash! make varlink optional for podman The API.md and cmd/podman/varlink/ioprojectatomicpodman.go targets will continue to work regardless of the presence (or not) of 'varlink' is in BUILDTAGS. However, cmd/podman/varlink/ioprojectatomicpodman.go is now only required by the podman target when BUILDTAGS contains 'varlink'. API.md had also been an podman dependency since 5b2627dd (Makefile: Drop find-godeps.sh for podman target, 2018-05-15, #776) when I expanded varlink_api_generate. It had been an indirect podman dependency (via varlink_api_generate) since 25263558 (Generate varlink API documentation automatically, 2018-05-07, #734). But the podman executable obviously doesn't depend on the Markdown file, so I'm removing that dependency here. Signed-off-by: baude <bbaude@redhat.com> squash! make varlink optional for podman The command-pointer approach will scale well if/when we add additional optional commands behind their own build tags, because those tags won't all be competing for the same getOptionalCommands namespace. Signed-off-by: W. Trevor King <wking@tremily.us> Closes: #987 Approved by: rhatdan
* Move podman refresh under the container subcommandMatthew Heon2018-06-22
| | | | | | | Signed-off-by: Matthew Heon <matthew.heon@gmail.com> Closes: #981 Approved by: baude
* Add podman refresh commandMatthew Heon2018-06-22
| | | | | | | Signed-off-by: Matthew Heon <matthew.heon@gmail.com> Closes: #981 Approved by: baude
* podman: allow to override TmpdirGiuseppe Scrivano2018-06-15
| | | | | | | Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com> Closes: #871 Approved by: mheon
* add podman container and image commandDaniel J Walsh2018-06-13
| | | | | | | Signed-off-by: Daniel J Walsh <dwalsh@redhat.com> Closes: #941 Approved by: TomSweeneyRedHat
* Propegate exit code on Exec calls and integrated testhaircommander2018-06-07
| | | | | | | Signed-off-by: haircommander <pehunt@redhat.com> Closes: #904 Approved by: rhatdan
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