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* pkg/hooks: Version the hook structure and add 1.0.0 hooksW. Trevor King2018-05-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This shifts the matching logic out of libpod/container_internal and into the hook package, where we can reuse it after vendoring into CRI-O. It also adds unit tests with almost-complete coverage. Now libpod is even more isolated from the hook internals, which makes it fairly straightforward to bump the hook config file to 1.0.0. I've dubbed the old format 0.1.0, although it doesn't specify an explicit version. Motivation for some of my changes with 1.0.0: * Add an explicit version field. This will make any future JSON structure migrations more straightforward by avoiding the need for version-guessing heuristics. * Collect the matching properties in a new When sub-structure. This makes the root Hook structure easier to understand, because you don't have to read over all the matching properties when wrapping your head around Hook. * Replace the old 'hook' and 'arguments' with a direct embedding of the runtime-spec's hook structure. This provides access to additional upstream properties (args[0], env, and timeout) and avoids the complication of a CRI-O-specific analog structure. * Add a 'when.always' property. You can usually accomplish this effect in another way (e.g. when.commands = [".*"]), but having a boolean explicitly for this use-case makes for easier reading and writing. * Replace the previous annotations array with an annotations map. The 0.1.0 approach matched only the values regardless of key, and that seems unreliable. * Replace 'cmds' with 'when.commands', because while there are a few ways to abbreviate "commands", there's only one way to write it out in full ;). This gives folks one less thing to remember when writing hook JSON. * Replace the old "inject if any specified condition matches" with "inject if all specified conditions match". This allows for more precise targeting. Users that need more generous targeting can recover the previous behavior by creating a separate 1.0.0 hook file for each specified 0.1.0 condition. I've added doc-compat support for the various pluralizations of the 0.1.0 properties. Previously, the docs and code were not in agreement. More on this particular facet in [1]. I've updated the docs to point out that the annotations being matched are the OCI config annotations. This differs from CRI-O, where the annotations used are the Kubernetes-supplied annotations [2,3]. For example, io.kubernetes.cri-o.Volumes [4] is part of CRI-O's runtime config annotations [5], but not part of the Kubernetes-supplied annotations CRI-O uses for matching hooks. The Monitor method supports the CRI-O use-case [6]. podman doesn't need it directly, but CRI-O will need it when we vendor this package there. I've used nvidia-container-runtime-hook for the annotation examples because Dan mentioned the Nvidia folks as the motivation behind annotation matching. The environment variables are documented in [7]. The 0.1.0 hook config, which does not allow for environment variables, only works because runc currently leaks the host environment into the hooks [8]. I haven't been able to find documentation for their usual annotation trigger or hook-install path, so I'm just guessing there. [1]: https://github.com/kubernetes-incubator/cri-o/pull/1235 [2]: https://github.com/kubernetes-incubator/cri-o/blob/v1.10.0/server/container_create.go#L760 [3]: https://github.com/kubernetes-incubator/cri-o/blob/v1.10.0/server/container_create.go#L772 [4]: https://github.com/kubernetes-incubator/cri-o/blob/v1.10.0/pkg/annotations/annotations.go#L97-L98 [5]: https://github.com/kubernetes-incubator/cri-o/blob/v1.10.0/server/container_create.go#L830-L834 [6]: https://github.com/kubernetes-incubator/cri-o/pull/1345/ [7]: https://github.com/NVIDIA/nvidia-container-runtime/tree/v1.3.0-1#environment-variables-oci-spec [8]: https://github.com/opencontainers/runc/pull/1738 Signed-off-by: W. Trevor King <wking@tremily.us> Closes: #686 Approved by: mheon
* Update main READMEMatthew Heon2018-05-11
| | | | | | | Signed-off-by: Matthew Heon <matthew.heon@gmail.com> Closes: #754 Approved by: baude
* Generate varlink API documentation automaticallybaude2018-05-08
| | | | | | | | | | Using varlink's idl parser, we generate API documentation for the podman API relying on the .varlink file as the source. Signed-off-by: baude <bbaude@redhat.com> Closes: #734 Approved by: baude
* README: Link to CONTRIBUTING.mdW. Trevor King2018-04-27
| | | | | | | | | | | | | | | | Make that information more easily discoverable. And since CONTRIBUTING.md already mentions IRC, we can drop the IRC reference from the README to DRY things up. Also update CONTRIBUTING.md to replace the stale #cri-o reference left over from the initial libpod/podman fork. While I was touching this line, I also shuffled some of the wording around to tighten that sentence up. Signed-off-by: W. Trevor King <wking@tremily.us> Closes: #687 Approved by: rhatdan
* readme: improve formatting, add linksTomas Tomecek2018-04-26
| | | | Signed-off-by: Tomas Tomecek <ttomecek@redhat.com>
* Touch up tutorial location and install reqsTomSweeneyRedHat2018-02-15
| | | | | | | Signed-off-by: TomSweeneyRedHat <tsweeney@redhat.com> Closes: #337 Approved by: rhatdan
* Ran spell checker through all man pagesDaniel J Walsh2018-01-29
| | | | | | | Signed-off-by: Daniel J Walsh <dwalsh@redhat.com> Closes: #269 Approved by: TomSweeneyRedHat
* Remove conmon, get package from CRI-ODaniel J Walsh2018-01-27
| | | | | | | | | | | | conmon should not be built in two different places. conmon is now a separate package in Fedora so we can just add requires, for use on Ubuntu we can just require cri-o to be installed. Signed-off-by: Daniel J Walsh <dwalsh@redhat.com> Closes: #151 Approved by: mheon
* Touchup README.md and fix whitespace issuesTomSweeneyRedHat2018-01-19
| | | | | | | Signed-off-by: TomSweeneyRedHat <tsweeney@redhat.com> Closes: #243 Approved by: mheon
* Slim down README.md and make tutorials pageTomSweeneyRedHat2018-01-17
| | | | Signed-off-by: TomSweeneyRedHat <tsweeney@redhat.com>
* Podman tutorialbaude2018-01-10
| | | | | | | | | | How to build, install, and use podman on Fedora. The ubuntu instructions are currently commented out due to issue #166. Signed-off-by: baude <bbaude@redhat.com> Closes: #170 Approved by: baude
* Initial podman buildTomSweeneyRedHat2017-12-23
| | | | | | | Signed-off-by: TomSweeneyRedHat <tsweeney@redhat.com> Closes: #162 Approved by: rhatdan
* Cleanup Documentation and bash completionsDaniel J Walsh2017-12-20
| | | | | | | Signed-off-by: Daniel J Walsh <dwalsh@redhat.com> Closes: #159 Approved by: TomSweeneyRedHat
* Rename all references to kpod to podmanDaniel J Walsh2017-12-18
| | | | | | | | | The decision is in, kpod is going to be named podman. Signed-off-by: Daniel J Walsh <dwalsh@redhat.com> Closes: #145 Approved by: umohnani8
* kpod topbaude2017-12-14
| | | | | | | | | Display information about processes in a running container. Signed-off-by: baude <bbaude@redhat.com> Closes: #121 Approved by: rhatdan
* Remove tutorial link from README.mdTomSweeneyRedHat2017-12-12
| | | | | | | Signed-off-by: TomSweeneyRedHat <tsweeney@redhat.com> Closes: #120 Approved by: rhatdan
* kpod execbaude2017-12-11
| | | | | | | | | | | | | | Initial wiring of kpod exec. We wont support the following options for exec: * detach -- unsure of use case * detach-keys -- not supported by runc * interactive -- all terminals will be interactive Not adding exec tests as we need to think about how to support a test that requires console access but our CI tests have no console. Signed-off-by: baude <bbaude@redhat.com>
* kpod attachbaude2017-12-04
| | | | | | | | | Attach to a running container Signed-off-by: baude <bbaude@redhat.com> Closes: #95 Approved by: rhatdan
* kpod_startbaude2017-11-29
| | | | | | | | | Starts one or more containers. Signed-off-by: baude <bbaude@redhat.com> Closes: #83 Approved by: rhatdan
* README.md: Typo fixes and small tweaksColin Walters2017-11-09
| | | | | | | | | | Should be mostly self-evident. I dropped the `is meant to` as it feels too passive. Signed-off-by: Colin Walters <walters@verbum.org> Closes: #35 Approved by: mheon
* Cleanup missing whitespaceDaniel J Walsh2017-11-07
| | | | | | | Signed-off-by: Daniel J Walsh <dwalsh@redhat.com> Closes: #20 Approved by: rhatdan
* Create README for libpodDaniel J Walsh2017-11-01
| | | | | | Copy the README from CRI-O and convert it for libpod. Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
* Gut the readmeMatthew Heon2017-11-01
| | | | Signed-off-by: Matthew Heon <matthew.heon@gmail.com>
* Initial checkin from CRI-O repoMatthew Heon2017-11-01
Signed-off-by: Matthew Heon <matthew.heon@gmail.com>
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