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* generate kube: support --privilegedValentin Rothberg2021-02-09
| | | | | | | | | | | Do not play with capabilities for privileged containers where all capabilities will be set implicitly. Also, avoid the device check when running privileged since all of /dev/* will be mounted in any case. Fixes: #8897 Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
* add network prunebaude2021-02-06
| | | | | | | | | add the ability to prune unused cni networks. filters are not implemented but included both compat and podman api endpoints. Fixes :#8673 Signed-off-by: baude <bbaude@redhat.com>
* Merge pull request #9231 from vrothberg/rootfs-workdirOpenShift Merge Robot2021-02-05
|\ | | | | fix logic when not creating a workdir
| * fix logic when not creating a workdirValentin Rothberg2021-02-05
| | | | | | | | | | | | | | | | | | | | | | When resolving the workdir of a container, we may need to create unless the user set it explicitly on the command line. Otherwise, we just do a presence check. Unfortunately, there was a missing return that lead us to fall through into attempting to create and chown the workdir. That caused a regression when running on a read-only root fs. Fixes: #9230 Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
* | Merge pull request #9048 from matejvasek/apiv2_waitOpenShift Merge Robot2021-02-05
|\ \ | | | | | | Fix Docker APIv2 container wait endpoint
| * | Fix per review requestMatej Vasek2021-02-04
| | | | | | | | | | | | Signed-off-by: Matej Vasek <mvasek@redhat.com>
| * | Improve container libpod.Wait*() functionsMatej Vasek2021-02-03
| |/ | | | | | | Signed-off-by: Matej Vasek <mvasek@redhat.com>
* | Merge pull request #9235 from Luap99/fix-9234OpenShift Merge Robot2021-02-04
|\ \ | | | | | | Fix podman network disconnect wrong NetworkStatus number
| * | Fix podman network disconnect wrong NetworkStatus numberPaul Holzinger2021-02-04
| |/ | | | | | | | | | | | | | | | | | | | | | | | | The allocated `tmpNetworkStatus` must be allocated with the length 0. Otherwise append would add new elements to the end of the slice and not at the beginning of the allocated memory. This caused inspect to fail since the number of networks did not matched the number of network statuses. Fixes #9234 Signed-off-by: Paul Holzinger <paul.holzinger@web.de>
* / generate kube: handle entrypointValentin Rothberg2021-02-04
|/ | | | | | | | | | The spec of a Kube Container has a `Command` and `Args`. While both are slices, the `Command` is the counterpart of the entrypoint of a libpod container. Kube is also happily accepting the arguments to as following items in the slice but it's cleaner to move those to `Args`. Fixes: #9211 Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
* Merge pull request #9174 from bitstrings/masterOpenShift Merge Robot2021-02-03
|\ | | | | Make slirp MTU configurable (network_cmd_options)
| * Make slirp MTU configurable (network_cmd_options)bitstrings2021-02-02
| | | | | | | | | | | | | | | | The mtu default value is currently forced to 65520. This let the user control it using the config key network_cmd_options, i.e.: network_cmd_options=["mtu=9000"] Signed-off-by: bitstrings <pino.silvaggio@gmail.com>
* | Merge pull request #9204 from baude/macvlanextraOpenShift Merge Robot2021-02-03
|\ \ | | | | | | Honor network options for macvlan networks
| * | Honor network options for macvlan networksbaude2021-02-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | when creating a macvlan network, we should honor gateway, subnet, and mtu as provided by the user. Fixes: #9167 Signed-off-by: baude <bbaude@redhat.com>
* | | Merge pull request #9185 from mheon/pod_no_networkOpenShift Merge Robot2021-02-02
|\ \ \ | |/ / |/| | Allow pods to use --net=none
| * | Allow pods to use --net=noneMatthew Heon2021-02-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We need an extra field in the pod infra container config. We may want to reevaluate that struct at some point, as storing network modes as bools will rapidly become unsustainable, but that's a discussion for another time. Otherwise, straightforward plumbing. Fixes #9165 Signed-off-by: Matthew Heon <matthew.heon@pm.me>
* | | add macvlan as a supported network driverbaude2021-02-01
|/ / | | | | | | | | | | | | | | | | | | | | | | instead of using the --macvlan to indicate that you want to make a macvlan network, podman network create now honors the driver name of *macvlan*. Any options to macvlan, like the parent device, should be specified as a -o option. For example, -o parent=eth0. the --macvlan option was marked as deprecated in the man page but is still supported for the duration of 3.0. Signed-off-by: baude <bbaude@redhat.com>
* / podman generate kube ignores --network=hostMilivoje Legenovic2021-01-30
|/ | | | Signed-off-by: Milivoje Legenovic <m.legenovic@gmail.com>
* Honor custom DNS in play|generate kubebaude2021-01-29
| | | | | | | | | | | | | | | | | | when creating kubernetes yaml from containers and pods, we should honor any custom dns settings the user provided. in the case of generate kube, these would be provided by --dns, --dns-search, and --dns-opt. if multiple containers are involved in the generate, the options will be cumulative and unique with the exception of dns-opt. when replaying a kube file that has kubernetes dns information, we now also add that information to the pod creation. the options for dnspolicy is not enabled as there seemed to be no direct correlation between kubernetes and podman. Fixes: #9132 Signed-off-by: baude <bbaude@redhat.com>
* Merge pull request #8585 from Luap99/rootless-net-aliasOpenShift Merge Robot2021-01-28
|\ | | | | Add support for rootless network-aliases and static ip/mac
| * Add support for rootless network-aliasesPaul Holzinger2021-01-27
| | | | | | | | | | | | | | | | | | | | Make sure we pass the network aliases as capability args to the cnitool in the rootless-cni-infra container. Also update the dnsname plugin in the cni-infra container. Fixes #8567 Signed-off-by: Paul Holzinger <paul.holzinger@web.de>
| * Allow static ip and mac with rootless cni networkPaul Holzinger2021-01-27
| | | | | | | | | | | | | | | | Make sure we pass the ip and mac address as CNI_ARGS to the cnitool which is executed in the rootless-cni-infra container. Signed-off-by: Paul Holzinger <paul.holzinger@web.de>
* | Merge pull request #9105 from vrothberg/fix-8281OpenShift Merge Robot2021-01-27
|\ \ | |/ |/| remote exec: write conmon error on hijacked connection
| * remote exec: write conmon error on hijacked connectionValentin Rothberg2021-01-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Make sure to write error from conmon on the hijacked http connection. This fixes issues where errors were not reported on the client side, for instance, when specified command was not found on the container. To future generations: I am sorry. The code is complex, and there are many interdependencies among the concurrent goroutines. I added more complexity on top but I don't have a good idea of how to reduce complexity in the available time. Fixes: #8281 Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
* | Add default net info in container inspectbaude2021-01-26
|/ | | | | | | | | | | | | | when inspecting a container that is only connected to the default network, we should populate the default network in the container inspect information. Fixes: #6618 Signed-off-by: baude <bbaude@redhat.com> MH: Small fixes, added another test Signed-off-by: Matthew Heon <matthew.heon@pm.me>
* Merge pull request #9054 from vrothberg/fix-9040OpenShift Merge Robot2021-01-26
|\ | | | | make sure the workdir exists on container mount
| * workdir presence checksValentin Rothberg2021-01-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | A container's workdir can be specified via the CLI via `--workdir` and via an image config with the CLI having precedence. Since images have a tendency to specify workdirs without necessarily shipping the paths with the root FS, make sure that Podman creates the workdir. When specified via the CLI, do not create the path, but check for its existence and return a human-friendly error. NOTE: `crun` is performing a similar check that would yield exit code 127. With this change, however, Podman performs the check and yields exit code 126. Since this is specific to `crun`, I do not consider it to be a breaking change of Podman. Fixes: #9040 Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
| * libpod: add (*Container).ResolvePath()Valentin Rothberg2021-01-26
| | | | | | | | | | | | | | | | | | Add an API to libpod to resolve a path on the container. We can refactor the code that was originally written for copy. Other functions are requiring a proper path resolution, so libpod seems like a reasonable home for sharing that code. Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
* | Merge pull request #9070 from rhatdan/searchOpenShift Merge Robot2021-01-26
|\ \ | |/ |/| Fixup search
| * Fixup searchDaniel J Walsh2021-01-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | podman-remote search had some FIXMEs in tests that were failing. So I reworked the search handler to use the local abi. This means the podman search and podman-remote search will use the same functions. While doing this, I noticed we were just outputing errors via logrus.Error rather then returning them, which works ok for podman but the messages get lost on podman-remote. Changed the code to actually return the error messages to the caller. This allows us to turn on the remaining podman-remote FIXME tests. Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
* | Ensure shutdown handler access is syncronizedMatthew Heon2021-01-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | There was a potential race where two handlers could be added at the same time. Go Maps are not thread-safe, so that could do unpleasant things. Add a mutex to keep things safe. Also, swap the order or Register and Start for the handlers in Libpod runtime created. As written, there was a small gap between Start and Register where SIGTERM/SIGINT would be completely ignored, instead of stopping Podman. Swapping the two closes this gap. Signed-off-by: Matthew Heon <mheon@redhat.com>
* | Merge pull request #9057 from baude/dnsnameinternalOpenShift Merge Robot2021-01-25
|\ \ | | | | | | disable dnsname when --internal
| * | disable dnsname when --internalbaude2021-01-25
| |/ | | | | | | | | | | | | | | when doing a network creation, the dnsname plugin should be disabled when the --internal bool is set. a warning is displayed if this happens and docs are updated. Signed-off-by: baude <bbaude@redhat.com>
* / networking: lookup child IP in networksGiuseppe Scrivano2021-01-23
|/ | | | | | | | | | | | if a CNI network is added to the container, use the IP address in that network instead of hard-coding the slirp4netns default. commit 5e65f0ba30f3fca73f8c207825632afef08378c1 introduced this regression. Closes: https://github.com/containers/podman/issues/9065 Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
* podman manifest existsPaul Holzinger2021-01-22
| | | | | | Add podman manifest exists command with remote support. Signed-off-by: Paul Holzinger <paul.holzinger@web.de>
* libpod: move slirp magic IPs to constsGiuseppe Scrivano2021-01-22
| | | | Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
* rootlessport: set source IP to slirp4netns deviceGiuseppe Scrivano2021-01-22
| | | | | | | | | set the source IP to the slirp4netns address instead of 127.0.0.1 when using rootlesskit. Closes: https://github.com/containers/podman/issues/5138 Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
* Move the cni lock file into the cni config dirPaul Holzinger2021-01-21
| | | | | | | | | | | | | | Commit(fe3faa517e1b) introduced a lock file for network create/rm calls. There is a problem with the location of the lock file. The lock file was stored in the tmpdir. Running multiple podman network create/remove commands in parallel with different tmpdirs made the lockfile inaccessible to the other process, and so parallel read/write operations to the cni config directory continued to occur. This scenario happened frequently during the e2e tests and caused some flakes. Fixes #9041 Signed-off-by: Paul Holzinger <paul.holzinger@web.de>
* Merge pull request #8955 from mheon/renameOpenShift Merge Robot2021-01-14
|\ | | | | Container Rename
| * Initial implementation of renaming containersMatthew Heon2021-01-14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Basic theory: We remove the container, but *only from the DB*. We leave it in c/storage, we leave the lock allocated, we leave it running (if it is). Then we create an identical container with an altered name, and add that back to the database. Theoretically we now have a renamed container. The advantage of this approach is that it doesn't just apply to rename - we can use this to make *any* configuration change to a container that does not alter its container ID. Potential problems are numerous. This process is *THOROUGHLY* non-atomic at present - if you `kill -9` Podman mid-rename things will be in a bad place, for example. Also, we can't rename containers that can't be removed normally - IE, containers with dependencies (pod infra containers, for example). The largest potential improvement will be to move the majority of the work into the DB, with a `RecreateContainer()` method - that will add atomicity, and let us remove the container without worrying about depencies and similar issues. Potential problems: long-running processes that edit the DB and may have an older version of the configuration around. Most notable example is `podman run --rm` - the removal command needed to be manually edited to avoid this one. This begins to get at the heart of me not wanting to do this in the first place... This provides CLI and API implementations for frontend, but no tunnel implementation. It will be added in a future release (just held back for time now - we need this in 3.0 and are running low on time). This is honestly kind of horrifying, but I think it will work. Signed-off-by: Matthew Heon <mheon@redhat.com>
* | Initial implementation of volume pluginsMatthew Heon2021-01-14
|/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This implements support for mounting and unmounting volumes backed by volume plugins. Support for actually retrieving plugins requires a pull request to land in containers.conf and then that to be vendored, and as such is not yet ready. Given this, this code is only compile tested. However, the code for everything past retrieving the plugin has been written - there is support for creating, removing, mounting, and unmounting volumes, which should allow full functionality once the c/common PR is merged. A major change is the signature of the MountPoint function for volumes, which now, by necessity, returns an error. Named volumes managed by a plugin do not have a mountpoint we control; instead, it is managed entirely by the plugin. As such, we need to cache the path in the DB, and calls to retrieve it now need to access the DB (and may fail as such). Notably absent is support for SELinux relabelling and chowning these volumes. Given that we don't manage the mountpoint for these volumes, I am extremely reluctant to try and modify it - we could easily break the plugin trying to chown or relabel it. Also, we had no less than *5* separate implementations of inspecting a volume floating around in pkg/infra/abi and pkg/api/handlers/libpod. And none of them used volume.Inspect(), the only correct way of inspecting volumes. Remove them all and consolidate to using the correct way. Compat API is likely still doing things the wrong way, but that is an issue for another day. Fixes #4304 Signed-off-by: Matthew Heon <matthew.heon@pm.me>
* Merge pull request #8906 from vrothberg/fix-8501OpenShift Merge Robot2021-01-14
|\ | | | | container stop: release lock before calling the runtime
| * container stop: release lock before calling the runtimeValentin Rothberg2021-01-14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Podman defers stopping the container to the runtime, which can take some time. Keeping the lock while waiting for the runtime to complete the stop procedure, prevents other commands from acquiring the lock as shown in #8501. To improve the user experience, release the lock before invoking the runtime, and re-acquire the lock when the runtime is finished. Also introduce an intermediate "stopping" to properly distinguish from "stopped" containers etc. Fixes: #8501 Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
* | Merge pull request #8958 from zhangguanzhang/duplicated-hostsOpenShift Merge Robot2021-01-13
|\ \ | | | | | | Fixes /etc/hosts duplicated every time after container restarted in a pod
| * | Fxes /etc/hosts duplicated every time after container restarted in a podzhangguanzhang2021-01-13
| | | | | | | | | | | | Signed-off-by: zhangguanzhang <zhangguanzhang@qq.com>
* | | Remove the ability to use [name:tag] in podman load commandDaniel J Walsh2021-01-12
|/ / | | | | | | | | | | | | | | | | | | Docker does not support this, and it is confusing what to do if the image has more then one tag. We are dropping support for this in podman 3.0 Fixes: https://github.com/containers/podman/issues/7387 Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
* | Merge pull request #8950 from mheon/exorcise_driverOpenShift Merge Robot2021-01-12
|\ \ | | | | | | Exorcise Driver code from libpod/define
| * | Exorcise Driver code from libpod/defineMatthew Heon2021-01-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The libpod/define code should not import any large dependencies, as it is intended to be structures and definitions only. It included the libpod/driver package for information on the storage driver, though, which brought in all of c/storage. Split the driver package so that define has the struct, and thus does not need to import Driver. And simplify the driver code while we're at it. Signed-off-by: Matthew Heon <mheon@redhat.com>
* | | Merge pull request #8946 from JAORMX/sec-errorsOpenShift Merge Robot2021-01-12
|\ \ \ | | | | | | | | Expose security attribute errors with their own messages
| * | | Expose security attribute errors with their own messagesJuan Antonio Osorio Robles2021-01-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This creates error objects for runtime errors that might come from the runtime. Thus, indicating to users that the place to debug should be in the security attributes of the container. When creating a container with a SELinux label that doesn't exist, we get a fairly cryptic error message: ``` $ podman run --security-opt label=type:my_container.process -it fedora bash Error: OCI runtime error: write file `/proc/thread-self/attr/exec`: Invalid argument ``` This instead handles any errors coming from LSM's `/proc` API and enhances the error message with a relevant indicator that it's related to the container's security attributes. A sample run looks as follows: ``` $ bin/podman run --security-opt label=type:my_container.process -it fedora bash Error: `/proc/thread-self/attr/exec`: OCI runtime error: unable to assign security attribute ``` With `debug` log level enabled it would be: ``` Error: write file `/proc/thread-self/attr/exec`: Invalid argument: OCI runtime error: unable to assign security attribute ``` Note that these errors wrap ErrOCIRuntime, so it's still possible to to compare these errors with `errors.Is/errors.As`. One advantage of this approach is that we could start handling these errors in a more efficient manner in the future. e.g. If a SELinux label doesn't exist (yet), we could retry until it becomes available. Signed-off-by: Juan Antonio Osorio Robles <jaosorior@redhat.com>
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