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| author | Paul Holzinger <paul.holzinger@web.de> | 2021-05-15 12:02:44 +0200 |
|---|---|---|
| committer | Paul Holzinger <paul.holzinger@web.de> | 2021-05-15 22:46:53 +0200 |
| commit | 460182dc5dc4caf2199b46370882237e6735fa3b (patch) | |
| tree | 04822d38fbf03d0a2bb212f03419e8cb967f4f97 | |
| parent | 90a12acb7e4851b4b1b672ec06a4628af5f8954e (diff) | |
| download | podman-460182dc5dc4caf2199b46370882237e6735fa3b.tar.gz podman-460182dc5dc4caf2199b46370882237e6735fa3b.tar.bz2 podman-460182dc5dc4caf2199b46370882237e6735fa3b.zip | |
network tutorial: update with rootless cni changes
Starting with podman v3.2 rootless cni will work without the
rootless-cni-infra container. Update the network tutorial to reflect the
latest changes and mention that the infra container can be removed.
Signed-off-by: Paul Holzinger <paul.holzinger@web.de>
| -rw-r--r-- | docs/tutorials/basic_networking.md | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/docs/tutorials/basic_networking.md b/docs/tutorials/basic_networking.md index 51dfa7564..850bf6681 100644 --- a/docs/tutorials/basic_networking.md +++ b/docs/tutorials/basic_networking.md @@ -87,12 +87,16 @@ network, and the one will be created as a bridge network. $ podman network create ``` -When rootless containers are run with a CNI networking configuration, a “side-car” -container for running CNI is also run. Do not remove this container while your rootless -containers are running. if you remove this container (e.g by accident) all attached -containers lose network connectivity. In order to restore the network connectivity -all containers with networks must be restarted. This will automatically recreate -the "side-car" container. For rootfull containers, there is no “side-car” container +When rootless containers are run with a CNI networking configuration, CNI operations +will be executed inside an extra network namespace. To join this namespace, use +`podman unshare --rootless-cni`. Podman version 3.1 and earlier use a special “side-car” +container called rootless-cni-infra. Do not remove this container while your rootless +containers are running. If you remove this container (e.g. by accident), all attached +containers lose network connectivity. In order to restore the network connectivity, all +containers with networks must be restarted. This will automatically recreate the "side-car" +container. When you are using version 3.2 or newer the “side-car” container can be +safely removed. Therefore, it is no longer used. +For rootfull containers, there is no extra namespace or “side-car” container as rootfull users have the permissions to create and modify network interfaces on the host. |