github.com/john-lin/cni@v0.6.0-rc1.0.20170712150331-b69e640cc0e2/Documentation/cnitool.md (about)

     1  # Overview
     2  The `cnitool` is a utility that can be used to test a CNI plugin
     3  without the need for a container runtime. The `cnitool` takes a
     4  `network name` and a `network namespace` and a command to `ADD` or
     5  `DEL`,.i.e, attach or detach containers from a network. The `cnitool`
     6  relies on the following environment variables to operate properly:
     7  * `NETCONFPATH`: This environment variable needs to be set to a
     8    directory. It defaults to `/etc/cni/net.d`. The `cnitool` searches
     9    for CNI configuration files in this directory with the extension
    10    `*.conf` or `*.json`. It loads all the CNI configuration files in
    11    this directory and if it finds a CNI configuration with the `network
    12    name` given to the cnitool it returns the corresponding CNI
    13    configuration, else it returns `nil`.
    14  
    15  * `CNI_PATH`: For a given CNI configuration `cnitool` will search for
    16    the corresponding CNI plugin in this path.