50a3aa6536
The current cni config has an extra comma and cannot be parsed normally, the kubelet will report an error as follows: "Error loading CNI config file: error parsing configuration: invalid character '}' looking for beginning of object key string" Signed-off-by: xieyanker <xjsisnice@gmail.com>
dhcp plugin
Overview
With dhcp plugin the containers can get an IP allocated by a DHCP server already running on your network. This can be especially useful with plugin types such as macvlan. Because a DHCP lease must be periodically renewed for the duration of container lifetime, a separate daemon is required to be running. The same plugin binary can also be run in the daemon mode.
Operation
To use the dhcp IPAM plugin, first launch the dhcp daemon:
# Make sure the unix socket has been removed
$ rm -f /run/cni/dhcp.sock
$ ./dhcp daemon
If given -pidfile <path> arguments after 'daemon', the dhcp plugin will write
its PID to the given file.
If given -hostprefix <prefix> arguments after 'daemon', the dhcp plugin will use this prefix for DHCP socket as <prefix>/run/cni/dhcp.sock. You can use this prefix for references to the host filesystem, e.g. to access netns and the unix socket.
Alternatively, you can use systemd socket activation protocol. Be sure that the .socket file uses /run/cni/dhcp.sock as the socket path.
With the daemon running, containers using the dhcp plugin can be launched.
Example configuration
{
"ipam": {
"type": "dhcp"
}
}
## Network configuration reference
* `type` (string, required): "dhcp"