Improve warning when collector is paused by duplicate process (#698)

Author: seanlinsley

runner/activity.go

@@ -24,7 +24,7 @@ func processActivityForServer(ctx context.Context, server *state.Server, opts st
 	newState := server.ActivityPrevState
 
 	if server.Pause.Load() {
-		logger.PrintVerbose("Snapshot processing disabled by pganalyze server")
+		logger.PrintVerbose("Duplicate collector detected: Please ensure only one collector is monitoring this Postgres server")
 		return newState, false, nil
 	}
 

runner/full.go

@@ -105,7 +105,7 @@ func processServer(ctx context.Context, server *state.Server, opts state.Collect
 	newGrant.Config = pganalyze_collector.ServerMessage_Config{Features: &pganalyze_collector.ServerMessage_Features{}}
 
 	if server.Pause.Load() {
-		logger.PrintWarning("Snapshot processing disabled by pganalyze server")
+		logger.PrintWarning("Duplicate collector detected: Please ensure only one collector is monitoring this Postgres server")
 		return newState, newGrant, collectionStatus, nil
 	}
 

selftest/summary.go

@@ -139,7 +139,7 @@ func summarizeDbChecks(status *state.SelfTestResult, aspect state.DbCollectionAs
 	} else if len(checks) > 1 {
 		summaryMsg = fmt.Sprintf("ok in %s and %d other monitored database(s)%s", firstDb, len(checks)-1, verboseHint)
 	} else {
-		summaryMsg = fmt.Sprintf("ok in %s (no other databases are configured to be monitored)", firstDb)
+		summaryMsg = fmt.Sprintf("ok in %s (no other databases are monitored)", firstDb)
 	}
 
 	return icon, summaryMsg