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path: root/libpod/container.go
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* Address commentsPeter Hunt2019-05-28
| | | | Signed-off-by: Peter Hunt <pehunt@redhat.com>
* Added --log-driver and journald loggingPeter Hunt2019-05-28
| | | | Signed-off-by: Peter Hunt <pehunt@redhat.com>
* Move to using constants for valid restart policy typesMatthew Heon2019-05-03
| | | | Signed-off-by: Matthew Heon <matthew.heon@pm.me>
* Add support for retry count with --restart flagMatthew Heon2019-05-03
| | | | | | | | | The on-failure restart option supports restarting only a given number of times. To do this, we need one additional field in the DB to track restart count (which conveniently fills a field in Inspect we weren't populating), plus some plumbing logic. Signed-off-by: Matthew Heon <matthew.heon@pm.me>
* Add container restart policy to Libpod & PodmanMatthew Heon2019-05-03
| | | | | | | This initial version does not support restart count, but it works as advertised otherwise. Signed-off-by: Matthew Heon <matthew.heon@pm.me>
* Add a StoppedByUser field to the DBMatthew Heon2019-05-03
| | | | | | | | This field indicates that a container was explciitly stopped by an API call, and did not exit naturally. It's used when implementing restart policy for containers. Signed-off-by: Matthew Heon <matthew.heon@pm.me>
* Use GetContainer instead of LookupContainer for full IDMatthew Heon2019-04-12
| | | | | | | | | | All IDs in libpod are stored as a full container ID. We can get a container by full ID faster with GetContainer (which directly retrieves) than LookupContainer (which finds a match, then retrieves). No reason to use Lookup when we have full IDs present and available. Signed-off-by: Matthew Heon <matthew.heon@pm.me>
* (minor): fix misspelled 'Healthcheck'Ed Santiago2019-04-10
| | | | Signed-off-by: Ed Santiago <santiago@redhat.com>
* podman-remote psbaude2019-04-09
| | | | | | add the ability to run ps on containers using the remote client. Signed-off-by: baude <bbaude@redhat.com>
* Drop LocalVolumes from our the databaseMatthew Heon2019-04-04
| | | | | | | | We were never using it. It's actually a potentially quite sizable field (very expensive to decode an array of structs!). Removing it should do no harm. Signed-off-by: Matthew Heon <matthew.heon@pm.me>
* Switch Libpod over to new explicit named volumesMatthew Heon2019-04-04
| | | | | | | | | | | | | This swaps the previous handling (parse all volume mounts on the container and look for ones that might refer to named volumes) for the new, explicit named volume lists stored per-container. It also deprecates force-removing volumes that are in use. I don't know how we want to handle this yet, but leaving containers that depend on a volume that no longer exists is definitely not correct. Signed-off-by: Matthew Heon <matthew.heon@pm.me>
* Add named volumes for each container to databaseMatthew Heon2019-04-04
| | | | Signed-off-by: Matthew Heon <matthew.heon@pm.me>
* userns: do not use an intermediate mount namespaceGiuseppe Scrivano2019-03-29
| | | | | | | | | | | | | | We have an issue in the current implementation where the cleanup process is not able to umount the storage as it is running in a separate namespace. Simplify the implementation for user namespaces by not using an intermediate mount namespace. For doing it, we need to relax the permissions on the parent directories and allow browsing them. Containers that are running without a user namespace, will still maintain mode 0700 on their directory. Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
* Remove ulele/deepcopier in favor of JSON deep copyMatthew Heon2019-03-27
| | | | | | | | | | | | | We have a very high performance JSON library that doesn't need to perform code generation. Let's use it instead of our questionably performant, reflection-dependent deep copy library. Most changes because some functions can now return errors. Also converts cmd/podman to use jsoniter, instead of pkg/json, for increased performance. Signed-off-by: Matthew Heon <matthew.heon@pm.me>
* Resolve review commentsMatthew Heon2019-03-27
| | | | Signed-off-by: Matthew Heon <matthew.heon@pm.me>
* Add support to disable creation of network config filesMatthew Heon2019-03-27
| | | | | | | | Specifically, we want to be able to specify whether resolv.conf and /etc/hosts will be create and bind-mounted into the container. Signed-off-by: Matthew Heon <matthew.heon@pm.me>
* healtcheck phase 2baude2019-03-12
| | | | | | | | | | | | | | | | | | | | | | | | | | integration of healthcheck into create and run as well as inspect. healthcheck enhancements are as follows: * add the following options to create|run so that non-docker images can define healthchecks at the container level. * --healthcheck-command * --healthcheck-retries * --healthcheck-interval * --healthcheck-start-period * podman create|run --healthcheck-command=none disables healthcheck as described by an image. * the healthcheck itself and the healthcheck "history" can now be observed in podman inspect * added the wiring for healthcheck history which logs the health history of the container, the current failed streak attempts, and log entries for the last five attempts which themselves have start and stop times, result, and a 500 character truncated (if needed) log of stderr/stdout. The timings themselves are not implemented in this PR but will be in future enablement (i.e. next). Signed-off-by: baude <bbaude@redhat.com>
* podman healthcheck run (phase 1)baude2019-03-05
| | | | | | | | | Add the ability to manually run a container's healthcheck command. This is only the first phase of implementing the healthcheck. Subsequent pull requests will deal with the exposing the results and history of healthchecks as well as the scheduling. Signed-off-by: baude <bbaude@redhat.com>
* Fix volume handling in podmanDaniel J Walsh2019-02-14
| | | | | | | | | | | | | | | | | | iFix builtin volumes to work with podman volume Currently builtin volumes are not recored in podman volumes when they are created automatically. This patch fixes this. Remove container volumes when requested Currently the --volume option on podman remove does nothing. This will implement the changes needed to remove the volumes if the user requests it. When removing a volume make sure that no container uses the volume. Signed-off-by: Daniel J Walsh dwalsh@redhat.com Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
* show container ports of network namespacebaude2019-02-13
| | | | | | | | | | in cases where a container is part of a network namespace, we should show the network namespace's ports when dealing with ports. this impacts ps, kube, and port. fixes: #846 Signed-off-by: baude <bbaude@redhat.com>
* podman-remote inspectbaude2019-01-18
| | | | | | base enablement of the inspect command. Signed-off-by: baude <bbaude@redhat.com>
* Do not unmarshal into c.config.SpecMatthew Heon2019-01-18
| | | | | | | | | | | | | We try to keep c.config immutable, but Go doesn't really agree with me that things other than strings and ints can be immutable, so occasionally things like this slip through. When unmarshalling the OCI spec from disk, do it into a separate struct, to ensure we don't make lasting modifications to the spec in the Container struct (which could affect container restart). Signed-off-by: Matthew Heon <matthew.heon@pm.me>
* config: store the runtime used to create each containerGiuseppe Scrivano2019-01-14
| | | | Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
* Move all libpod/ JSON references over to jsoniterMatthew Heon2019-01-10
| | | | Signed-off-by: Matthew Heon <matthew.heon@pm.me>
* apparmor: apply default profile at container initializationValentin Rothberg2019-01-09
| | | | | | | | | | | | | | | | | | | Apply the default AppArmor profile at container initialization to cover all possible code paths (i.e., podman-{start,run}) before executing the runtime. This allows moving most of the logic into pkg/apparmor. Also make the loading and application of the default AppArmor profile versio-indepenent by checking for the `libpod-default-` prefix and over-writing the profile in the run-time spec if needed. The intitial run-time spec of the container differs a bit from the applied one when having started the container, which results in displaying a potentially outdated AppArmor profile when inspecting a container. To fix that, load the container config from the file system if present and use it to display the data. Fixes: #2107 Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
* Use existing interface to request IP address during restoreAdrian Reber2019-01-09
| | | | | | | | | | | | | | | | | | The initial implementation to request the same IP address for a container during a restore was based on environment variables influencing CNI. With this commit the IP address selection switches to Podman's internal static IP API. This commit does a comment change in libpod/container_easyjson.go to avoid unnecessary re-generation of libpod/container_easyjson.go during build as this fails in CI. The reason for this is that make sees that libpod/container_easyjson.go needs to be re-created. The commit, however, only changes a part of libpod/container.go which is marked as 'ffjson: skip'. Signed-off-by: Adrian Reber <areber@redhat.com>
* Rename libpod.Config back to ContainerConfigMatthew Heon2019-01-07
| | | | | | | | | | During an earlier bugfix, we swapped all instances of ContainerConfig to Config, which was meant to fix some data we were returning from Inspect. This unfortunately also renamed a libpod internal struct for container configs. Undo the rename here. Signed-off-by: Matthew Heon <matthew.heon@pm.me>
* Convert containers to SHM lockingMatthew Heon2019-01-04
| | | | Signed-off-by: Matthew Heon <matthew.heon@gmail.com>
* Switch all referencs to image.ContainerConfig to image.ConfigDaniel J Walsh2018-12-21
| | | | | | This will more closely match what Docker is doing. Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
* Containers sharing a netns should share resolv/hostsMatthew Heon2018-12-11
| | | | | | | | | | | | | When sharing a network namespace, containers should also share resolv.conf and /etc/hosts in case a container process made changes to either (for example, if I set up a VPN client in container A and join container B to its network namespace, I expect container B to use the DNS servers from A to ensure it can see everything on the VPN). Resolves: #1546 Signed-off-by: Matthew Heon <mheon@redhat.com>
* bind mount /etc/resolv.conf|hosts in podsbaude2018-12-06
| | | | | | | containers inside pods need to make sure they get /etc/resolv.conf and /etc/hosts bind mounted when network is expected Signed-off-by: baude <bbaude@redhat.com>
* Fix golang formatting issuesbaude2018-11-28
| | | | | | | Whe running unittests on newer golang versions, we observe failures with some formatting types when no declared correctly. Signed-off-by: baude <bbaude@redhat.com>
* network: allow slirp4netns mode also for root containersGiuseppe Scrivano2018-11-28
| | | | Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
* libpod should know if the network is disabledDaniel J Walsh2018-11-13
| | | | | | | | | | | | | | | | | /etc/resolv.conf and /etc/hosts should not be created and mounted when the network is disabled. We should not be calling the network setup and cleanup functions when it is disabled either. In doing this patch, I found that all of the bind mounts were particular to Linux along with the generate functions, so I moved them to container_internal_linux.go Since we are checking if we are using a network namespace, we need to check after the network namespaces has been created in the spec. Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
* Allow containers/storage to handle on SELinux labelingDaniel J Walsh2018-10-23
| | | | Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
* Mount proper cgroup for systemd to manage inside of the container.Daniel J Walsh2018-10-15
| | | | | | | | | | | | We are still requiring oci-systemd-hook to be installed in order to run systemd within a container. This patch properly mounts /sys/fs/cgroup/systemd/libpod_parent/libpod-UUID on /sys/fs/cgroup/systemd inside of container. Since we need the UUID of the container, we needed to move Systemd to be a config option of the container. Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
* Generate a passwd file for users not in containerDaniel J Walsh2018-10-12
| | | | | | | If someone runs podman as a user (uid) that is not defined in the container we want generate a passwd file so that getpwuid() will work inside of container. Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
* Temporary commit to swap branchesMatthew Heon2018-10-11
| | | | Signed-off-by: Matthew Heon <matthew.heon@gmail.com>
* Add ContainerStateExited and OCI delete() in cleanup()Matthew Heon2018-10-02
| | | | | | | | | | | | | | | | To work better with Kata containers, we need to delete() from the OCI runtime as a part of cleanup, to ensure resources aren't retained longer than they need to be. To enable this, we need to add a new state to containers, ContainerStateExited. Containers transition from ContainerStateStopped to ContainerStateExited via cleanupRuntime which is invoked as part of cleanup(). A container in the Exited state is identical to Stopped, except it has been removed from the OCI runtime and thus will be handled differently when initializing the container. Signed-off-by: Matthew Heon <matthew.heon@gmail.com>
* Refactor Wait() to not require a timeoutMatthew Heon2018-09-21
| | | | | | | | | | | We added a timeout for convenience, but most invocations don't care about it. Refactor it into WaitWithTimeout() and add a Wait() that doesn't require a timeout and uses the default. Signed-off-by: Matthew Heon <matthew.heon@gmail.com> Closes: #1527 Approved by: mheon
* Bind Mounts should be mounted read-only when in read-only modeDaniel J Walsh2018-09-20
| | | | | | | | | | We don't want to allow users to write to /etc/resolv.conf or /etc/hosts if in read only mode. Signed-off-by: Daniel J Walsh <dwalsh@redhat.com> Closes: #1510 Approved by: TomSweeneyRedHat
* Add --interval flag to podman waitDaniel J Walsh2018-09-13
| | | | | | | Waiting uses a lot of CPU, so drop back to checking once/second and allow user to pass in the interval. Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
* Swap from FFJSON to easyjsonMatthew Heon2018-08-24
| | | | | | | | | | | | | | | FFJSON has serialization differences versus stock Go - namely, it does not respect the MarshalText() and UnmarshalText() methods, particularly on []byte, which causes incompatability with pre-FFJSON containers which contained DNS servers. EasyJSON does not have these issues, and might even be slightly faster. Signed-off-by: Matthew Heon <matthew.heon@gmail.com> Closes: #1322 Approved by: mheon
* Fixing network ns segfaulthaircommander2018-08-23
| | | | | | | | | As well as small style corrections, update pod_top_test to use CreatePod, and move handling of adding a container to the pod's namespace from container_internal_linux to libpod/option. Signed-off-by: haircommander <pehunt@redhat.com> Closes: #1187 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 systemd default CGroup parent to machine.sliceMatthew Heon2018-08-15
| | | | | | | Signed-off-by: Matthew Heon <matthew.heon@gmail.com> Closes: #1266 Approved by: baude
* Fixed a bug setting dependencies on the wrong containerhaircommander2018-08-09
| | | | | | | Signed-off-by: haircommander <pehunt@redhat.com> Closes: #1244 Approved by: mheon
* Add additional comments on accessing state in APIMatthew Heon2018-07-31
| | | | | | | | | | | The new state changes are potentially confusing to people writing API functions on containers or pods. Add comments to the structs on how to safely use them. Signed-off-by: Matthew Heon <matthew.heon@gmail.com> Closes: #1186 Approved by: rhatdan
* network: add support for rootless network with slirp4netnsGiuseppe Scrivano2018-07-31
| | | | | | | | | | | slirp4netns is required to setup the network namespace: https://github.com/rootless-containers/slirp4netns Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com> Closes: #1156 Approved by: rhatdan
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