ENGINE_ERROR check support for CxSAST 9.3 engine API changes

[benjaminstokes]

Description

ENGINE_ERROR alerts are always issued when running CxOverwatch with CxSAST version 9.3 and higher. This is caused by the engine monitoring endpoint changing in CxSAST 9.3.

The monitoring end point for 9.3 should change to GET engine:port/api/v1/system_information/version API

Expected Behavior

Engine monitoring supports CxSAST 9.3.

Actual Behavior

False alarms are issued on all engines.

Reproduction

Run CxOverwatch with 1 or more engine servers on CxSAST 9.3. Observe all engines will be alerted for ENGINE_OFFLINE.

[benjaminstokes]

These false alarms can be suppressed by adding "ENGINE_ERROR" to the alert suppression regex.