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* Migrate can move containers to a new runtimeMatthew Heon2019-10-10
| | | | | | | | | | | | This is a horrible hack to work around issues with Fedora 31, but other distros might need it to, so we'll move it upstream. I do not recommend this functionality for general use, and the manpages and other documentation will reflect this. But for some upgrade cases, it will be the only thing that allows for a working system. Signed-off-by: Matthew Heon <matthew.heon@pm.me>
* runtime: fix logic to disable SDNotifyValentin Rothberg2019-09-24
| | | | | | | | Fix the logic when getting the runtime for varlink to actually disable SDNotify support. Fixes: #4005 Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
* do not activate sd_notify support when varlinkbaude2019-08-15
| | | | | | | | | add ability to not activate sd_notify when running under varlink as it causes deadlocks and hangs. Fixes: #3572 Signed-off-by: baude <bbaude@redhat.com>
* Add a flag to set events logger typeMatthew Heon2019-07-31
| | | | Signed-off-by: Matthew Heon <matthew.heon@pm.me>
* configure runtime without storebaude2019-07-01
| | | | | | | | | 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>
* util: drop IsCgroup2UnifiedMode and use it from cgroupsGiuseppe Scrivano2019-06-26
| | | | Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
* When you change the storage driver we ignore the storage-optionsDaniel J Walsh2019-06-08
| | | | | | | | | | | The storage driver and the storage options in storage.conf should match, but if you change the storage driver via the command line then we need to nil out the default storage options from storage.conf. If the user wants to change the storage driver and use storage options, they need to specify them on the command line. Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
* userns: add new option --userns=keep-idGiuseppe Scrivano2019-05-24
| | | | | | | it creates a namespace where the current UID:GID on the host is mapped to the same UID:GID in the container. Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
* rootless: default --cgroup-manager=systemd in unified modeGiuseppe Scrivano2019-05-13
| | | | Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
* Small fixes for #2950Matthew Heon2019-05-01
| | | | | | | We merged #2950 with some nits still remaining, as Giuseppe was going on PTO. This addresses those small requested changes. Signed-off-by: Matthew Heon <matthew.heon@pm.me>
* runtime: pass down the contextGiuseppe Scrivano2019-04-26
| | | | Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
* system: add new subcommand "migrate"Giuseppe Scrivano2019-04-26
| | | | | | | | | | | it is useful to migrate existing containers to a new version of podman. Currently, it is needed to migrate rootless containers that were created with podman <= 1.2 to a newer version which requires all containers to be running in the same user namespace. Closes: https://github.com/containers/libpod/issues/2935 Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
* Call the runtime with WithRenumber() when askedMatthew Heon2019-04-15
| | | | | | | We must have lost this at some point, rendering system renumber useless. Signed-off-by: Matthew Heon <mheon@redhat.com>
* libpod: allow to configure path to the network-cmd binaryGiuseppe Scrivano2019-03-11
| | | | | | | | | | | | | allow to configure the path to the network-cmd binary, either via an option flag --network-cmd-path or through the libpod.conf configuration file. This is currently used to customize the path to the slirp4netns binary. Closes: https://github.com/containers/libpod/issues/2506 Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
* Move all storage configuration defaults into libpodMatthew Heon2019-02-26
| | | | | | | | | | | Instead of passing in defaults via WithStorageConfig after computing them in cmd/podman/libpodruntime, do all defaults in libpod itself. This can alleviate ordering issues which caused settings in the libpod config (most notably, volume path) to be ignored. Signed-off-by: Matthew Heon <matthew.heon@pm.me>
* When location of c/storage root changes, set VolumePathMatthew Heon2019-02-26
| | | | | | | | | | | | | | | We want named volumes to be created in a subdirectory of the c/storage graph root, the same as the libpod root directory is now. As such, we need to adjust its location when the graph root changes location. Also, make a change to how we set the default. There's no need to explicitly set it every time we initialize via an option - that might conflict with WithStorageConfig setting it based on graph root changes. Instead, just initialize it in the default config like our other settings. Signed-off-by: Matthew Heon <matthew.heon@pm.me>
* Fix typo in commentMatthew Heon2019-02-21
| | | | Signed-off-by: Matthew Heon <matthew.heon@pm.me>
* Add ability to get a runtime that renumbersMatthew Heon2019-02-21
| | | | Signed-off-by: Matthew Heon <matthew.heon@pm.me>
* podman: honor --storage-opt againGiuseppe Scrivano2019-02-15
| | | | | | possibly a regression after we moved to Cobra Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
* Migrate to cobra CLIbaude2019-02-08
| | | | | | | | 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>
* Set default storage options from mounts.conf file.Daniel J Walsh2019-01-12
| | | | | | | | | We were never loading the storage.conf file to grab mountOptions. This is causing us to not use metacopyup option when running with overlay. Signed-off-by: Daniel J Walsh <dwalsh@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>
* Merge pull request #1918 from mheon/use_db_pathsOpenShift Merge Robot2018-12-05
|\ | | | | Use paths written in DB instead if they differ from our defaults
| * Move rootless storage config into libpodMatthew Heon2018-12-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Previous commits ensured that we would use database-configured paths if not explicitly overridden. However, our runtime generation did unconditionally override storage config, which made this useless. Move rootless storage configuration setup to libpod, and change storage setup so we only override if a setting is explicitly set, so we can still override what we want. Signed-off-by: Matthew Heon <mheon@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>
* runtime: do not allow runroot longer than 50 charactersGiuseppe Scrivano2018-10-30
| | | | Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
* Move rootless directory handling to the libpod/pkg/util directoryDaniel J Walsh2018-10-22
| | | | | | This should allow us to share this code with buildah. Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
* Hooks supports two directories, process default and overrideDaniel J Walsh2018-09-17
| | | | | | | | | | | | | ALso cleanup files section or podman man page Add description of policy.json Sort alphabetically. Add more info on oci hooks Signed-off-by: Daniel J Walsh <dwalsh@redhat.com> Closes: #1487 Approved by: umohnani8
* Remove duplicate code between create.go and run.goDaniel J Walsh2018-09-13
| | | | | | | | | | | Create two new createInit for checking if the cotnainer is initialized correctly. createContainer which creates the actual container and containerConfig Also added libpodruntime.GetContainerRuntime to put common runtime code into separate function. Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
* 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
* Change pause container to infra containerhaircommander2018-08-23
| | | | | | | Signed-off-by: haircommander <pehunt@redhat.com> Closes: #1187 Approved by: mheon
* Added option to share kernel namespaces in libpod and podmanhaircommander2018-08-23
| | | | | | | | | A pause container is added to the pod if the user opts in. The default pause image and command can be overridden. Pause containers are ignored in ps unless the -a option is present. Pod inspect and pod ps show shared namespaces and pause container. A pause container can't be removed with podman rm, and a pod can be removed if it only has a pause container. Signed-off-by: haircommander <pehunt@redhat.com> Closes: #1187 Approved by: mheon
* 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
* podman in rootless mode will only work with cgroupfs at this point.Daniel J Walsh2018-08-14
| | | | | | | | | | | If user does not pass in cgroup manager and running in rootless mode, then we need to force the cgroupfs support until/unless we get support for rootless systemd support. Signed-off-by: Daniel J Walsh <dwalsh@redhat.com> Closes: #1261 Approved by: mheon
* 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>
* rootless: allow a per-user storage.conf fileGiuseppe Scrivano2018-07-20
| | | | Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
* rootless: propagate errors from GetRootlessRuntimeDir()Giuseppe Scrivano2018-07-11
| | | | Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
* rootless: resolve the user home directoryGiuseppe Scrivano2018-07-11
| | | | | | Closes: https://github.com/projectatomic/libpod/issues/1073 Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
* runtime: change rootless data storage default pathGiuseppe Scrivano2018-06-27
| | | | | | | Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com> Closes: #936 Approved by: rhatdan
* 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
* podman: use a different store for the rootless caseGiuseppe Scrivano2018-06-15
| | | | | | | | | so that the user has rw access to it. Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com> Closes: #871 Approved by: mheon
* podman: allow to override TmpdirGiuseppe Scrivano2018-06-15
| | | | | | | Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com> Closes: #871 Approved by: mheon
* libpod: Add HooksDirNotExistFatalW. Trevor King2018-05-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | And add an argument to WithHooksDir to set it. If the hook dir doesn't exist, the new hooks package considers that a fatal error. When a podman caller sets --hooks-dir-path=/some/typoed/directory, a fatal error is more helpful than silently not loading any hooks. However, callers who call podman without setting --hooks-dir-path may not need hooks at all. We don't want to pester those callers with not-exist errors. With this commit, we: * Assume the caller knows what they're doing if they set --hooks-dir-path and set HooksDirNotExistFatal. * If the caller does not explicitly set --hooks-dir-path, assume they won't mind if the hook directory is missing and set HooksDirNotExistFatal false. We also considered checking for the directory's existence in the code calling WithHooksDir or from within WithHooksDir, but checks there would race with the underlying ioutil.ReadDir in the hooks package. By pushing the warn/error decision down into libpod's implementation, we avoid a racy "do we expect this to work once libpod gets to it?" pre-check. I've also added a check to error if WithHooksDir is called with an empty-string argument, because we haven't defined the semantics of that (is it clearing a previous value? Is it effectively the same as the current directory?). I agree with Matthew that a separate WithNoHooks, or a *string argument to WithHooks, or some such would be a better API for clearing previous values [1]. But for now, I'm just erroring out to fail early for callers who might otherwise be surprised that libpod ignores empty-string HooksDir. [1]: https://github.com/projectatomic/libpod/pull/686#issuecomment-385119370 Signed-off-by: W. Trevor King <wking@tremily.us> Closes: #686 Approved by: mheon
* Add --cgroup-manager flag to Podman binaryMatthew Heon2018-05-11
| | | | | | | Signed-off-by: Matthew Heon <matthew.heon@gmail.com> Closes: #507 Approved by: baude
* Begin wiring in USERNS Support into podmanDaniel J Walsh2018-05-04
| | | | | | | Signed-off-by: Daniel J Walsh <dwalsh@redhat.com> Closes: #690 Approved by: mheon
* varlink imagesbaude2018-04-26
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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