checkand it can:
stackstate.yamlfile is the main agent configuration file. It tells the agent where to find StackState and what API key to use.
examplecheck consists of two files:
conf.d/example.d/conf.yaml-- the check configuration file
checks.d/example.py-- the check Python code
run.shshell script that runs the StackState agent in a docker container. It reads the configuration from this sample project and executes the
stackstate.yamlfile) so it is fairly verbose.
examplecheck will be sent to StackState.
ctrl-cto stop the agent.
examplelabel. This should result in a topology similar to the following:
exampleagent check. The components appear in the Example domain and Applications and Hosts layers. The check produces two application components that StackState has grouped together. This is shown as a hexagon icon. Click on the group to access the individual components that make up the group.
streamsproperty in the Template function text area and copy it to your clipboard.
example-example://example-1-component-templatein the Template dropdown.
streamspart with the code you copied earlier.
some-application-1for the value. This is correct for one of our components, but not for the other. We need to make this value dynamic.
some-application-1with a reference to the component's external id:
Synchronization example example://example-1synchronization.
eventstreamand it's type is, indeed,
alert_levelfield in the
custom-event.jsonfile to try out different values, such as
ok. The component should change it's state a few seconds after receiving the event.
CRITICAL, this is what you should see: