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path: root/libpod/networking_linux.go
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* networking: use firewall pluginGiuseppe Scrivano2019-08-19
| | | | | | | drop the pkg/firewall module and start using the firewall CNI plugin. It requires an updated package for CNI plugins. Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
* Revert "rootless: Rearrange setup of rootless containers"baude2019-08-06
| | | | | | This reverts commit 80dcd4bebcdc8e280f6b43228561d09c194c328b. Signed-off-by: baude <bbaude@redhat.com>
* rootless: Rearrange setup of rootless containersGabi Beyer2019-07-30
| | | | | | | | | | | | | | | In order to run Podman with VM-based runtimes unprivileged, the network must be set up prior to the container creation. Therefore this commit modifies Podman to run rootless containers by: 1. create a network namespace 2. pass the netns persistent mount path to the slirp4netns to create the tap inferface 3. pass the netns path to the OCI spec, so the runtime can enter the netns Closes #2897 Signed-off-by: Gabi Beyer <gabrielle.n.beyer@intel.com>
* golangci-lint pass number 2baude2019-07-11
| | | | | | clean up and prepare to migrate to the golangci-linter Signed-off-by: baude <bbaude@redhat.com>
* first pass of corrections for golangci-lintbaude2019-07-10
| | | | Signed-off-by: baude <bbaude@redhat.com>
* code cleanupbaude2019-07-08
| | | | | | clean up code identified as problematic by golands inspection Signed-off-by: baude <bbaude@redhat.com>
* Vendor latest OCICNI versionSascha Grunert2019-07-03
| | | | | | | | This is needed for dual stack IPv6 support within CRI-O. Because the API changed within OCICNI, we have to adapt the internal linux networking as well. Signed-off-by: Sascha Grunert <sgrunert@suse.com>
* Begin adding support for multiple OCI runtimesMatthew Heon2019-06-19
| | | | | | | | | | | | | Allow Podman containers to request to use a specific OCI runtime if multiple runtimes are configured. This is the first step to properly supporting containers in a multi-runtime environment. The biggest changes are that all OCI runtimes are now initialized when Podman creates its runtime, and containers now use the runtime requested in their configuration (instead of always the default runtime). Signed-off-by: Matthew Heon <matthew.heon@pm.me>
* Begin to break up pkg/inspectMatthew Heon2019-06-03
| | | | | | | | | | Let's put inspect structs where they're actually being used. We originally made pkg/inspect to solve circular import issues. There are no more circular import issues. Image structs remain for now, I'm focusing on container inspect. Signed-off-by: Matthew Heon <matthew.heon@pm.me>
* network: raise a clearer error when using CNIGiuseppe Scrivano2019-05-14
| | | | | | | | | print a clearer error message when an unprivileged user attempts to create a network using CNI. Closes: https://github.com/containers/libpod/issues/3118 Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
* Integration test tweaksbaude2019-03-15
| | | | | | | Wait for more than 1 second on podman info to complete. Also, add clarification to why slirp fails. Signed-off-by: baude <bbaude@redhat.com>
* rootless: fix CI regression when using slirp4netnsGiuseppe Scrivano2019-03-14
| | | | | | | | | | Older versions of slirp4netns do not have the --disable-host-loopback flag. Remove the check once we are sure the updated version is available everywhere. Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
* slirp4netns: use --disable-host-loopbackGiuseppe Scrivano2019-03-14
| | | | | | Closes: https://github.com/containers/libpod/issues/2642 Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
* slirp4netns: set mtu to 65520Giuseppe Scrivano2019-03-14
| | | | | | | | | | it improves significantly the performance of the slirp4netns network: https://github.com/rootless-containers/slirp4netns/tree/777bdccceffa5bee38dbfd9eefc06628cc160ff6#iperf3-netns---host Closes: https://github.com/containers/libpod/issues/1732 Signed-off-by: Giuseppe Scrivano <gscrivan@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>
* rootless: support port redirection from the hostGiuseppe Scrivano2019-01-19
| | | | | | | | | | add support for ports redirection from the host. It needs slirp4netns v0.3.0-alpha.1. Closes: https://github.com/containers/libpod/issues/2081 Signed-off-by: Giuseppe Scrivano <gscrivan@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>
* 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>
* | 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>
* rootless: avoid hang on failed slirp4netnsGiuseppe Scrivano2018-10-31
| | | | | | | | If for any reason slirp4netns fails at startup, podman waits indefinitely. Check every second if the process is still running so that we avoid to hang. Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
* run prepare in parallelbaude2018-10-25
| | | | | | | run prepare() -- which consists of creating a network namespace and mounting the container image is now run in parallel. This saves 25-40ms. Signed-off-by: baude <bbaude@redhat.com>
* Temporary commit to swap branchesMatthew Heon2018-10-11
| | | | Signed-off-by: Matthew Heon <matthew.heon@gmail.com>
* Replace existing iptables handler with firewall codeMatthew Heon2018-09-10
| | | | | | | | | | | | Use the new firewall code vendored from CNI to replace the existing iptables rule addition handler we had in place. This adds proper support for firewalld and should be much better at interacting with the firewall. Signed-off-by: Matthew Heon <matthew.heon@gmail.com> Closes: #1431 Approved by: baude
* Fixed segfault in stats where container had netNS none or from containerhaircommander2018-08-21
| | | | | | | Signed-off-by: haircommander <pehunt@redhat.com> Closes: #1306 Approved by: rhatdan
* 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
* 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
* Fix handling of Linux network namespacesMatthew Heon2018-07-27
| | | | | | | | | | | | | | | | | | | The CNI plugins upstream removed their network namespace creation code, making it a test package only. Copy it into our repository and slightly modify it for our use (most notably, use MNT_DETACH when unmounting namespaces). This new CNI code splits closing and unmounting network namespaces, which allows us to greatly reduce the number of occasions on which we call teardownNetwork() and make more errors in that function fatal instead of warnings. Instead, we can call Close() and just close the open file descriptor in cases where the namespace has already been cleaned up. Signed-off-by: Matthew Heon <matthew.heon@gmail.com> Closes: #1165 Approved by: baude
* Support multiple networksbaude2018-07-12
| | | | | | | | | | | | | This is a refresh of Dan William's PR #974 with a rebase and proper vendoring of ocicni and containernetworking/cni. It adds the ability to define multiple networks as so: podman run --network=net1,net2,foobar ... Signed-off-by: baude <bbaude@redhat.com> Closes: #1082 Approved by: baude
* more changes to compile darwinbaude2018-07-05
| | | | | | | | | | | | | | | | this should represent the last major changes to get darwin to **compile**. again, the purpose here is to get darwin to compile so that we can eventually implement a ci task that would protect against regressions for darwin compilation. i have left the manual darwin compilation largely static still and in fact now only interject (manually) two build tags to assist with the build. trevor king has great ideas on how to make this better and i will defer final implementation of those to him. Signed-off-by: baude <bbaude@redhat.com> Closes: #1047 Approved by: rhatdan
* changes to allow for darwin compilationbaude2018-06-29
Signed-off-by: baude <bbaude@redhat.com> Closes: #1015 Approved by: baude
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