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85083ea434
When running in a user namespace created by an unprivileged user the owner of /var/run will be reported as the unknown user (as defined in /proc/sys/kernel/overflowuid) so any access to the directory will fail. If the XDG_RUNTIME_DIR environment variable is set, check whether the current user is also the owner of /var/run. If the owner is different than the current user, use the $XDG_RUNTIME_DIR/netns directory. Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
plugins
Some CNI network plugins, maintained by the containernetworking team. For more information, see the individual READMEs.
Read CONTRIBUTING for build and test instructions.
Plugins supplied:
Main: interface-creating
bridge: Creates a bridge, adds the host and the container to it.ipvlan: Adds an ipvlan interface in the container.loopback: Set the state of loopback interface to up.macvlan: Creates a new MAC address, forwards all traffic to that to the container.ptp: Creates a veth pair.vlan: Allocates a vlan device.host-device: Move an already-existing device into a container.
Windows: windows specific
win-bridge: Creates a bridge, adds the host and the container to it.win-overlay: Creates an overlay interface to the container.
IPAM: IP address allocation
dhcp: Runs a daemon on the host to make DHCP requests on behalf of the containerhost-local: Maintains a local database of allocated IPsstatic: Allocate a static IPv4/IPv6 addresses to container and it's useful in debugging purpose.
Meta: other plugins
flannel: Generates an interface corresponding to a flannel config filetuning: Tweaks sysctl parameters of an existing interfaceportmap: An iptables-based portmapping plugin. Maps ports from the host's address space to the container.bandwidth: Allows bandwidth-limiting through use of traffic control tbf (ingress/egress).sbr: A plugin that configures source based routing for an interface (from which it is chained).firewall: A firewall plugin which uses iptables or firewalld to add rules to allow traffic to/from the container.
Sample
The sample plugin provides an example for building your own plugin.