Signed-off-by: Sage Weil <sage@newdream.net>
ACTIONS
-L|--list-all-sections List all sections
-l|--list-sections <prefix> List sections with the given prefix
+ --filter-key <key> Filter section list to only include sections
+ with given key defined.
+ --filter-key-value <key>=<val> Filter section list to only include sections
+ with given key/value pair.
--lookup <key> Print a configuration setting to stdout.
Returns 0 (success) if the configuration setting is
found; 1 otherwise.