canella - Frontend to Canella Deploy Tool
canella [-C num] [-s key=value ...] [ --mode=xxxx ] -c etc/deploy.pl role task [task ...]
-c | --config
StringSpecifies the configuration file. Required.
-C | --concurrency
IntegerSpecifies the number of coroutine threads to run concurrently.
The default number for this option is 8
--mode
StringChanges the operation mode.
When "dump" mode is specified, dumps the tasks, roles, parameters, and config file name in JSON format.
When "help" mode is specified, shows some help message describing the specified deploy file
-s | --set
String '=' StringSpecifies parameters from the command line
Given a config like:
task mytask => sub { say get 'foo'; };
Invoking canella like this will print ouf "bar":
canella -s foo=bar -c etc/deploy.pl mytask
Note that -s allows you to override default variables set in the deploy file:
set foo => 1; task mytask => sub { say get 'foo'; }; canella -s foo=bar -c etc/deploy.pl mytask # prints "bar"