nil check

Author: michalpristas

internal/pkg/agent/application/coordinator/coordinator.go

@@ -1612,8 +1612,10 @@ func (c *Coordinator) processConfigAgent(ctx context.Context, cfg *config.Config
 
 	// override retrieved config from Fleet with persisted config from AgentConfig file
 
-	if err := applyPersistedConfig(cfg, paths.ConfigFile(), c.caps.AllowFleetOverride); err != nil {
-		return fmt.Errorf("could not apply persisted configuration: %w", err)
+	if c.caps != nil {
+		if err := applyPersistedConfig(cfg, paths.ConfigFile(), c.caps.AllowFleetOverride); err != nil {
+			return fmt.Errorf("could not apply persisted configuration: %w", err)
+		}
 	}
 
 	// perform and verify ast translation

internal/pkg/agent/application/coordinator/testdata/overrides.yml

@@ -3,4 +3,6 @@ agent:
     enabled: true
     use_output: default
     logs: false
-    metrics: true
+    metrics: true
+    http:
+      port: 6774

internal/pkg/capabilities/fleet_override.go

@@ -23,6 +23,11 @@ func allowFleetOverride(
 ) bool {
 	// first match wins
 	for _, cap := range fleetOverrideCaps {
+		if cap == nil {
+			// being defensive here, should not happen
+			continue
+		}
+
 		switch cap.rule {
 		case ruleTypeAllow:
 			log.Debugf("Fleet override allowed by capability")