Testing
After you install, configure, and start Profiler, you should validate that the Porfiler is working correctly.
- Login to the server hosting Metron.
-
Enter the following command:
[root@node1 0.3.0]# bin/stellar -z $ZOOKEEPER_HOST:2181 Stellar, Go! Please note that functions are loading lazily in the background and will be unavailable until loaded fully. {es.clustername=metron, es.ip=node1, es.port=9300, es.date.format=yyyy.MM.dd.HH} [Stellar]>>> ?PROFILE_GET Functions loaded, you may refer to functions now... PROFILE_GET Description: Retrieves a series of values from a stored profile. Arguments: profile - The name of the profile. entity - The name of the entity. durationAgo - How long ago should values be retrieved from? periods - The list of profile periods to grab. These are ProfilePeriod objects. groups - Optional, must correspond to the 'groupBy' list used in profile creation - List (in square brackets) of groupBy values used to filter the profile. Default is the empty list, meaning groupBy was not used when creating the profile. config_overrides - Optional - Map (in curly braces) of name:value pairs, each overriding the global config parameter of the same name. Default is the empty Map, meaning no overrides. Returns: The profile measurements. [Stellar]>>> PROFILE_GET('test','192.168.138.158', 1, 'HOURS') [12078.0, 8921.0, 12131.0]
In the preceeding example, we use the Stellar Shell to replicate the execution environment of Stellar running in a Storm topology, like Metron's Parser or Enrichment topology. Replace 'node1:2181' with the URL to a ZooKeeper Broker.The client API call above retrieves the past hour of thetest
profile for the entity192.168.138.158
.