make global rules compatible with dashboard (#14)

Author: Revolyssup

pkg/apisix/global_rule.go

@@ -17,6 +17,7 @@ package apisix
 import (
 	"context"
 	"encoding/json"
+	"fmt"
 
 	"go.uber.org/zap"
 
@@ -114,6 +115,17 @@ func (r *globalRuleClient) Create(ctx context.Context, obj *v1.GlobalRule, shoul
 		return v, nil
 	}
 
+	//Overwrite global rule ID with the plugin name
+	if len(obj.Plugins) == 0 { //This case will not happen as its handled at schema validation level
+		return nil, fmt.Errorf("global rule must have at least one plugin")
+	}
+
+	//This is checked on dashboard that global rule id should be the plugin name
+	for pluginName := range obj.Plugins {
+		obj.ID = pluginName
+		break
+	}
+
 	log.Debugw("try to create global_rule",
 		zap.String("id", obj.ID),
 		zap.Any("plugins", obj.Plugins),

samples/deploy/crd/v1/ApisixGlobalRule.yaml

@@ -51,6 +51,8 @@ spec:
                 ingressClassName:
                   type: string
                 plugins:
+                  minItems: 1
+                  maxItems: 1
                   type: array
                   items:
                     type: object