Description of problem:
There is lack of the information about how to check the health of Lokistack and troubleshooting Lokistack issue. It is meaningful if API list of Lokistack can be provided.

Version-Release number of selected component (if applicable):{code:none}

How reproducible:

Steps to Reproduce:

1.
2.
3.

Actual results:

Lack of information about Lokistack

Expected results:

Provide 
1. how to check the health of Lokistack 
2. troubleshooting Lokistack issue
3. API list of Lokistack

Additional info: