ColorLabel update karmaColorMap object with a color object generated from label key and value passed here It's used to generate unique colors for configured labels.

DetectJIRAs will try to find JIRA links in Alertmanager silence objects using regexp rules from configuration that were parsed and populated by ParseRules call.

ParseRules will parse and validate list of JIRA detection rules provided from config, valid rules will be stored for future use in DetectJIRAs() calls.

StripAnnotations allows to ignore some annotations when pulling data Alertmanager, it will return true if passed annotation name should be stripped.

StripLables allows filtering out some labels from alerts it takes the list of label keys to ignore and alert label map it will return label map without labels found on the ignore list.

StripReceivers allows filtering all alerts for specified receiver(s) it will return true if alert uses receiver that should be stripped.