Function
| Arg | Description | Type |
|---|---|---|
| client_id | Client ID to label. | string (required) |
| labels | A list of labels to apply | list of string (required) |
| op | An operation on the labels (set, check, remove) | string |
Add the labels to the client. If op is ‘remove’ then remove these labels.
The following query sets the MyLabel label on all hosts that last
connected from an IP address matching the regular expression (You
can also do a CIDR check using the cidr_contains() function)
SELECT *, label(labels='MyLabel', op='set', client_id=client_id)
FROM clients() WHERE last_ip =~ "127.+"