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* Merge pull request #1849 from giuseppe/report-rootless-netmodeOpenShift Merge Robot2018-11-28
|\ | | | | rootless: add new netmode "slirp4netns"
| * network: allow slirp4netns mode also for root containersGiuseppe Scrivano2018-11-28
| | | | | | | | Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
* | Merge pull request #1833 from giuseppe/remove-exec-pollingOpenShift Merge Robot2018-11-28
|\ \ | | | | | | exec: remove polling for PID file
| * | util: use fsnotify to wait for fileGiuseppe Scrivano2018-11-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | prefer a fsnotify watcher to polling the file, we take advantage of inotify on Linux and react more promptly to the PID file being created. If the watcher cannot be created, then fallback to the old polling mechanism. Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
| * | exec: don't wait for pidfile when the runtime exitedGiuseppe Scrivano2018-11-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | don't wait for the timeout to expire if the runtime process exited. I've noticed podman to hang on exit and keeping the container lock taken when the OCI runtime already exited. Additionally, it reduces the waiting time as we won't hit the 25 milliseconds waiting time in the worst case. Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
* | | rootless: fix cleanupGiuseppe Scrivano2018-11-28
| |/ |/| | | | | | | | | | | | | | | | | | | | | | | The conmon exit command is running inside of a namespace where the process is running with uid=0. When it launches again podman for the cleanup, podman is not running in rootless mode as the uid=0. Export some more env variables to tell podman we are in rootless mode. Closes: https://github.com/containers/libpod/issues/1859 Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
* | Merge pull request #1832 from giuseppe/always-make-explicit-tty-to-execOpenShift Merge Robot2018-11-27
|\ \ | |/ |/| exec: always make explicit the tty value
| * exec: always make explicit the tty valueGiuseppe Scrivano2018-11-20
| | | | | | | | | | | | | | | | | | | | otherwise runc will take by default the value used for creating the container. Setting it explicit overrides its default value and we won't end up trying to use a terminal when not available. Closes: https://bugzilla.redhat.com/show_bug.cgi?id=1625876 Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
* | Merge pull request #1850 from vrothberg/mount-propagationOpenShift Merge Robot2018-11-27
|\ \ | | | | | | set root propagation based on volume properties
| * | set root propagation based on volume propertiesValentin Rothberg2018-11-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Set the root propagation based on the properties of volumes and default mounts. To remain compatibility, follow the semantics of Docker. If a volume is shared, keep the root propagation shared which works for slave and private volumes too. For slave volumes, it can either be shared or rshared. Do not change the root propagation for private volumes and stick with the default. Fixes: #1834 Signed-off-by: Valentin Rothberg <vrothberg@suse.com>
* | | Merge pull request #1734 from rhatdan/networkOpenShift Merge Robot2018-11-27
|\ \ \ | | | | | | | | libpod should know if the network is disabled
| * | | 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>
* | | | Merge pull request #1868 from QiWang19/issue860OpenShift Merge Robot2018-11-26
|\ \ \ \ | | | | | | | | | | Add history field to image inspect
| * | | | Add history and namespaceoptions to image inspectQi Wang2018-11-26
| | |/ / | |/| | | | | | | | | | Signed-off-by: Qi Wang <qiwan@redhat.com>
* / | | add podman container|image existsbaude2018-11-26
|/ / / | | | | | | | | | | | | | | | | | | | | | | | | | | | Add an exists subcommand to podman container and podman image that allows users to verify the existence of a container or image by ID or name. The return code can be 0 (success), 1 (failed to find), or 125 (failed to work with runtime). Issue #1845 Signed-off-by: baude <bbaude@redhat.com>
* | | Merge pull request #1835 from adrianreber/masterOpenShift Merge Robot2018-11-21
|\ \ \ | | | | | | | | Added option to keep container running after checkpointing
| * | | Added option to keep containers running after checkpointingAdrian Reber2018-11-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | CRIU supports to leave processes running after checkpointing: -R|--leave-running leave tasks in running state after checkpoint runc also support to leave containers running after checkpointing: --leave-running leave the process running after checkpointing With this commit the support to leave a container running after checkpointing is brought to Podman: --leave-running, -R leave the container running after writing checkpoint to disk Now it is possible to checkpoint a container at some point in time without stopping the container. This can be used to rollback the container to an early state: $ podman run --tmpfs /tmp --name podman-criu-test -d docker://docker.io/yovfiatbeb/podman-criu-test $ curl 10.88.64.253:8080/examples/servlets/servlet/HelloWorldExample 3 $ podman container checkpoint -R -l $ curl 10.88.64.253:8080/examples/servlets/servlet/HelloWorldExample 4 $ curl 10.88.64.253:8080/examples/servlets/servlet/HelloWorldExample 5 $ podman stop -l $ podman container restore -l $ curl 10.88.64.253:8080/examples/servlets/servlet/HelloWorldExample 4 So after checkpointing the container kept running and was stopped after some time. Restoring this container will restore the state right at the checkpoint. Signed-off-by: Adrian Reber <areber@redhat.com>
| * | | Use a struct to pass options to Checkpoint()Adrian Reber2018-11-20
| | |/ | |/| | | | | | | | | | | | | | | | | | | | | | For upcoming changes to the Checkpoint() functions this commit switches checkpoint options from a boolean to a struct, so that additional options can be passed easily to Checkpoint() without changing the function parameters all the time. Signed-off-by: Adrian Reber <areber@redhat.com>
* | | Merge pull request #1810 from baude/inspectToKubeOpenShift Merge Robot2018-11-20
|\ \ \ | | | | | | | | generate kubernetes YAML from a libpod container
| * | | 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>
* | | | Merge pull request #1829 from baude/enableportbindinginpodsOpenShift Merge Robot2018-11-20
|\ \ \ \ | |_|/ / |/| | | Allow users to expose ports from the pod to the host
| * | | Allow users to expose ports from the pod to the hostbaude2018-11-20
| |/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | we need to allow users to expose ports to the host for the purposes of networking, like a webserver. the port exposure must be done at the time the pod is created. strictly speaking, the port exposure occurs on the infra container. Signed-off-by: baude <bbaude@redhat.com>
* / / rootless: create libpod.conf when it doesn't existGiuseppe Scrivano2018-11-19
|/ / | | | | | | Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
* | Merge pull request #1756 from isimluk/update-dependent-metalinterOpenShift Merge Robot2018-11-16
|\ \ | | | | | | Update metalinter dependency
| * | Lint: Extract constant unknownPackageŠimon Lukašík2018-11-10
| | | | | | | | | | | | | | | | | | Addressing goconst warning: 3 other occurrence(s) of "Unknown" found Signed-off-by: Šimon Lukašík <slukasik@redhat.com>
| * | Lint: Tests: add missing assertionsŠimon Lukašík2018-11-10
| | | | | | | | | | | | | | | | | | | | | Addressing: ineffectual assignment to err (ineffassign) Signed-off-by: Šimon Lukašík <slukasik@redhat.com>
| * | Lint: Do not ignore errors from docker run command when selinux enabledŠimon Lukašík2018-11-10
| |/ | | | | | | | | | | | | | | | | Redefining err by := operator within block makes this err variable block local. Addressing lint: libpod/oci.go:368:3:warning: ineffectual assignment to err (ineffassign) Signed-off-by: Šimon Lukašík <slukasik@redhat.com>
* / Increase pidWaitTimeout to 60sEmilien Macchi2018-11-15
|/ | | | | | | | | | | At scale, it appears that we sometimes hit the 1000ms timeout to create the PID file when a container is created or executed. Increasing the value to 60s should help when running a lot of containers in heavy-loaded environment. Related #1495 Fixes #1816 Signed-off-by: Emilien Macchi <emilien@redhat.com>
* Merge pull request #1772 from baude/rmdelpausedOpenShift Merge Robot2018-11-09
|\ | | | | rm -f now removes a paused container
| * rm -f now removes a paused containerbaude2018-11-08
| | | | | | | | | | | | | | | | | | | | | | | | We now can remove a paused container by sending it a kill signal while it is paused. We then unpause the container and it is immediately killed. Also, reworked how the parallelWorker results are handled to provide a more consistent approach to how each subcommand implements it. It also fixes a bug where if one container errors, the error message is duplicated when printed out. Signed-off-by: baude <bbaude@redhat.com>
* | Merge pull request #1789 from mheon/fix_add_hosts_testOpenShift Merge Robot2018-11-09
|\ \ | | | | | | Accurately update state if prepare() partially fails
| * | Accurately update state if prepare() partially failsMatthew Heon2018-11-08
| |/ | | | | | | | | | | | | | | | | We are seeing some issues where, when part of prepare() fails (originally noticed due to a bad static IP), the other half does not successfully clean up, and the state can be left in a bad place (not knowing about an active SHM mount for example). Signed-off-by: Matthew Heon <mheon@redhat.com>
* | info: add rootless fieldValentin Rothberg2018-11-09
| | | | | | | | | | | | | | | | | | Add a rootless field to the info data (e.g., `podman info`) to indicate if the executing user is root or not. In most cases, this can be guessed but now it is clear and may aid in debugging, reporting and understanding certain issues. Signed-off-by: Valentin Rothberg <vrothberg@suse.com>
* | Merge pull request #1787 from baude/netstatusreworkOpenShift Merge Robot2018-11-08
|\ \ | | | | | | correct assignment of networkStatus
| * | correct assignment of networkStatusbaude2018-11-08
| |/ | | | | | | | | | | | | | | | | | | once we changed configureNetNS to return a result beyond an error, we need to make sure that we used locals instead of ctr attributes when determining networks. Resolves #1752 Signed-off-by: baude <bbaude@redhat.com>
* | Merge pull request #1790 from isimluk/beware-of-goroutine-localsOpenShift Merge Robot2018-11-08
|\ \ | |/ |/| Do not hide errors when creating container with UserNSRoot
| * Do not hide errors when creating container with UserNSRootŠimon Lukašík2018-11-08
| | | | | | | | | | | | | | | | | | This one is tricky. By using `:=` operator we have made err variable to be local in the gorutine and different from `err` variable in the surrounding function. And thus `createContainer` function returned always nil, even in cases when some error occurred in the gorutine. Signed-off-by: Šimon Lukašík <slukasik@redhat.com>
* | Merge pull request #1764 from rhatdan/nopasswdOpenShift Merge Robot2018-11-07
|\ \ | | | | | | Don't fail if /etc/passwd or /etc/group does not exists
| * | Don't fail if /etc/passwd or /etc/group does not existsDaniel J Walsh2018-11-07
| |/ | | | | | | | | | | | | | | | | | | | | Container images can be created without passwd or group file, currently if one of these containers gets run with a --user flag the container blows up complaining about t a missing /etc/passwd file. We just need to check if the error on read is ENOEXIST then allow the read to return, not fail. Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
* | Merge pull request #1771 from baude/prepareOpenShift Merge Robot2018-11-07
|\ \ | | | | | | move defer'd function declaration ahead of prepare error return
| * | move defer'd function declaration ahead of prepare error returnbaude2018-11-07
| |/ | | | | | | Signed-off-by: baude <bbaude@redhat.com>
* | Merge pull request #1689 from mheon/add_runc_timeoutOpenShift Merge Robot2018-11-07
|\ \ | | | | | | Do not call out to runc for sync
| * | Print error status code if we fail to parse itMatthew Heon2018-11-07
| | | | | | | | | | | | | | | | | | | | | | | | When we read the conmon error status file, if Atoi fails to parse the string we read from the file as an int, print the string as part of the error message so we know what might have gone wrong. Signed-off-by: Matthew Heon <mheon@redhat.com>
| * | Properly set Running state when starting containersMatthew Heon2018-11-07
| | | | | | | | | | | | Signed-off-by: Matthew Heon <matthew.heon@gmail.com>
| * | Fix misspellingMatthew Heon2018-11-07
| | | | | | | | | | | | Signed-off-by: Matthew Heon <matthew.heon@gmail.com>
| * | Retrieve container PID from conmonMatthew Heon2018-11-07
| | | | | | | | | | | | | | | | | | | | | Instead of running a full sync after starting a container to pick up its PID, grab it from Conmon instead. Signed-off-by: Matthew Heon <matthew.heon@gmail.com>
| * | If a container ceases to exist in runc, set exit statusMatthew Heon2018-11-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | When we scan a container in runc and see that it no longer exists, we already set ContainerStatusExited to indicate that it no longer exists in runc. Now, also set an exit code and exit time, so PS output will make some sense. Signed-off-by: Matthew Heon <matthew.heon@gmail.com>
| * | EXPERIMENTAL: Do not call out to runc for syncMatthew Heon2018-11-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When syncing container state, we normally call out to runc to see the container's status. This does have significant performance implications, though, and we've seen issues with large amounts of runc processes being spawned. This patch attempts to use stat calls on the container exit file created by Conmon instead to sync state. This massively decreases the cost of calling updateContainer (it has gone from an almost-unconditional fork/exec of runc to a single stat call that can be avoided in most states). Signed-off-by: Matthew Heon <matthew.heon@gmail.com>
| * | Actually save changes from post-stop syncMatthew Heon2018-11-07
| |/ | | | | | | | | | | | | | | | | | | After stopping containers, we run updateContainerStatus to sync our state with runc (pick up exit code, for example). Then we proceed to not save this to the database, requiring us to grab it again on the next sync. This should remove the need to read the exit file more than once. Signed-off-by: Matthew Heon <matthew.heon@gmail.com>
* | Merge pull request #1767 from mheon/remove_conmon_cgroup_firstOpenShift Merge Robot2018-11-07
|\ \ | | | | | | Remove conmon cgroup before pod cgroup for cgroupfs
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