fix: a failing endpoint shouldn't affect others (#2452)

internal/provider/adc/adc.go

@@ -20,8 +20,10 @@ package adc
 import (
 	"context"
 	"encoding/json"
+	"fmt"
 	"os"
 	"slices"
+	"strings"
 	"sync"
 	"time"
 
@@ -286,6 +288,7 @@ func (d *adcClient) Start(ctx context.Context) error {
 	initalSyncDelay := d.InitSyncDelay
 	time.AfterFunc(initalSyncDelay, func() {
 		if err := d.Sync(ctx); err != nil {
+			log.Error(err)
 			return
 		}
 	})
@@ -299,7 +302,7 @@ func (d *adcClient) Start(ctx context.Context) error {
 		select {
 		case <-ticker.C:
 			if err := d.Sync(ctx); err != nil {
-				log.Errorw("failed to sync resources", zap.Error(err))
+				log.Error(err)
 			}
 		case <-ctx.Done():
 			return nil
@@ -324,25 +327,32 @@ func (d *adcClient) Sync(ctx context.Context) error {
 
 	log.Debugw("syncing resources with multiple configs", zap.Any("configs", cfg))
 
+	var failedConfigs []string
 	for name, config := range cfg {
 		resources, err := d.store.GetResources(name)
 		if err != nil {
-			return err
+			log.Errorw("failed to get resources from store", zap.String("name", name), zap.Error(err))
+			failedConfigs = append(failedConfigs, name)
+			continue
 		}
 		if resources == nil {
 			continue
 		}
 
-		err = d.sync(ctx, Task{
+		if err := d.sync(ctx, Task{
 			Name:      name + "-sync",
 			configs:   []adcConfig{config},
 			Resources: *resources,
-		})
-		if err != nil {
-			return err
+		}); err != nil {
+			log.Errorw("failed to sync resources", zap.String("name", name), zap.Error(err))
+			failedConfigs = append(failedConfigs, name)
 		}
 	}
-
+	if len(failedConfigs) > 0 {
+		return fmt.Errorf("failed to sync %d configs: %s",
+			len(failedConfigs),
+			strings.Join(failedConfigs, ", "))
+	}
 	return nil
 }
 
@@ -390,13 +400,16 @@ func (d *adcClient) sync(ctx context.Context, task Task) error {
 
 	args := BuildADCExecuteArgs(syncFilePath, task.Labels, task.ResourceTypes)
 
-	log.Debugw("syncing resources with multiple configs", zap.Any("configs", task.configs))
+	var failedConfigs []string
 	for _, config := range task.configs {
 		if err := d.executor.Execute(ctx, d.BackendMode, config, args); err != nil {
 			log.Errorw("failed to execute adc command", zap.Error(err), zap.Any("config", config))
-			return err
+			failedConfigs = append(failedConfigs, config.Name)
 		}
 	}
+	if len(failedConfigs) > 0 {
+		return fmt.Errorf("failed to execute adc command for configs: %s", strings.Join(failedConfigs, ", "))
+	}
 	return nil
 }
 

internal/provider/adc/executor.go

@@ -22,6 +22,7 @@ import (
 	"context"
 	"encoding/json"
 	"errors"
+	"fmt"
 	"os"
 	"os/exec"
 	"strings"
@@ -50,11 +51,16 @@ func (e *DefaultADCExecutor) Execute(ctx context.Context, mode string, config ad
 }
 
 func (e *DefaultADCExecutor) runADC(ctx context.Context, mode string, config adcConfig, args []string) error {
+	var failedAddrs []string
 	for _, addr := range config.ServerAddrs {
 		if err := e.runForSingleServerWithTimeout(ctx, addr, mode, config, args); err != nil {
-			return err
+			log.Errorw("failed to run adc for server", zap.String("server", addr), zap.Error(err))
+			failedAddrs = append(failedAddrs, addr)
 		}
 	}
+	if len(failedAddrs) > 0 {
+		return fmt.Errorf("failed to run adc for servers: [%s]", strings.Join(failedAddrs, ", "))
+	}
 	return nil
 }
 

test/e2e/gatewayapi/gatewayproxy.go

@@ -19,7 +19,6 @@ package gatewayapi
 
 import (
 	"fmt"
-	"net/http"
 	"time"
 
 	. "github.com/onsi/ginkgo/v2"
@@ -103,64 +102,6 @@ spec:
       headers:
         X-Proxy-Test: "disabled"
 `
-	var (
-		gatewayProxyWithPluginMetadata0 = `
-apiVersion: apisix.apache.org/v1alpha1
-kind: GatewayProxy
-metadata:
-  name: apisix-proxy-config
-spec:
-  provider:
-    type: ControlPlane
-    controlPlane:
-      endpoints:
-        - %s
-      auth:
-        type: AdminKey
-        adminKey:
-          value: "%s"
-  plugins:
-  - name: error-page
-    enabled: true
-    config: {}
-  pluginMetadata:
-    error-page: {
-      "enable": true,
-      "error_404": {
-          "body": "404 from plugin metadata",
-          "content-type": "text/plain"
-      }
-    }
-`
-		gatewayProxyWithPluginMetadata1 = `
-apiVersion: apisix.apache.org/v1alpha1
-kind: GatewayProxy
-metadata:
-  name: apisix-proxy-config
-spec:
-  provider:
-    type: ControlPlane
-    controlPlane:
-      endpoints:
-        - %s
-      auth:
-        type: AdminKey
-        adminKey:
-          value: "%s"
-  plugins:
-  - name: error-page
-    enabled: true
-    config: {}
-  pluginMetadata:
-    error-page: {
-      "enable": false,
-      "error_404": {
-          "body": "404 from plugin metadata",
-          "content-type": "text/plain"
-      }
-    }
-`
-	)
 
 	var httpRouteForTest = `
 apiVersion: gateway.networking.k8s.io/v1
@@ -275,59 +216,48 @@ spec:
 		})
 	})
 
-	Context("Test Gateway with PluginMetadata", func() {
-		var (
-			err error
-		)
-
-		PIt("Should work OK with error-page", func() {
-			By("Update GatewayProxy with PluginMetadata")
-			err = s.CreateResourceFromString(fmt.Sprintf(gatewayProxyWithPluginMetadata0, s.Deployer.GetAdminEndpoint(), s.AdminKey()))
-			Expect(err).ShouldNot(HaveOccurred())
+	Context("Test GatewayProxy with invalid endpoint", func() {
+		var gatewayProxyWithInvalidEndpoint = `
+apiVersion: apisix.apache.org/v1alpha1
+kind: GatewayProxy
+metadata:
+  name: apisix-proxy-config
+spec:
+  provider:
+    type: ControlPlane
+    controlPlane:
+      endpoints:
+        - "http://invalid-endpoint:9180"
+        - %s
+      auth:
+        type: AdminKey
+        adminKey:
+          value: "%s"
+`
+		It("Should fail to apply GatewayProxy with invalid endpoint", func() {
+			By("Update GatewayProxy with invalid endpoint")
+			err := s.CreateResourceFromString(fmt.Sprintf(gatewayProxyWithInvalidEndpoint, s.Deployer.GetAdminEndpoint(), s.AdminKey()))
+			Expect(err).NotTo(HaveOccurred(), "creating GatewayProxy with enabled plugin")
 			time.Sleep(5 * time.Second)
 
-			By("Create HTTPRoute for Gateway with GatewayProxy")
+			By("Create HTTPRoute")
 			resourceApplied("HTTPRoute", "test-route", fmt.Sprintf(httpRouteForTest, "apisix"), 1)
 
-			time.Sleep(5 * time.Second)
-			By("Check PluginMetadata working")
-			s.NewAPISIXClient().
-				GET("/not-found").
-				WithHost("example.com").
-				Expect().
-				Status(http.StatusNotFound).
-				Body().Contains("404 from plugin metadata")
-
-			By("Update GatewayProxy with PluginMetadata")
-			err = s.CreateResourceFromString(fmt.Sprintf(gatewayProxyWithPluginMetadata1, s.Deployer.GetAdminEndpoint(), s.AdminKey()))
-			Expect(err).ShouldNot(HaveOccurred())
-			time.Sleep(5 * time.Second)
-
-			By("Check PluginMetadata working")
-			s.NewAPISIXClient().
-				GET("/not-found").
-				WithHost("example.com").
-				Expect().
-				Status(http.StatusNotFound).
-				Body().Contains(`{"error_msg":"404 Route Not Found"}`)
-
-			By("Delete GatewayProxy")
-			err = s.DeleteResourceFromString(fmt.Sprintf(gatewayProxyWithPluginMetadata0, s.Deployer.GetAdminEndpoint(), s.AdminKey()))
-			Expect(err).ShouldNot(HaveOccurred())
-			time.Sleep(5 * time.Second)
+			expectRequest := func() bool {
+				resp := s.NewAPISIXClient().
+					GET("/get").
+					WithHost("example.com").
+					Expect().Raw()
+				return resp.StatusCode == 200 && resp.Header.Get("X-Proxy-Test") == ""
+			}
 
-			By("Check PluginMetadata is not working")
-			s.NewAPISIXClient().
-				GET("/not-found").
-				WithHost("example.com").
-				Expect().
-				Status(http.StatusNotFound).
-				Body().Contains(`{"error_msg":"404 Route Not Found"}`)
+			Eventually(expectRequest).WithTimeout(8 * time.Second).ProbeEvery(time.Second).Should(BeTrue())
 		})
 	})
 
-	var (
-		gatewayProxyWithInvalidProviderType = `
+	Context("Test GatewayProxy Provider Validation", func() {
+		var (
+			gatewayProxyWithInvalidProviderType = `
 apiVersion: apisix.apache.org/v1alpha1
 kind: GatewayProxy
 metadata:
@@ -336,7 +266,7 @@ spec:
   provider:
     type: "InvalidType"
 `
-		gatewayProxyWithMissingControlPlane = `
+			gatewayProxyWithMissingControlPlane = `
 apiVersion: apisix.apache.org/v1alpha1
 kind: GatewayProxy
 metadata:
@@ -345,7 +275,7 @@ spec:
   provider:
     type: "ControlPlane"
 `
-		gatewayProxyWithValidProvider = `
+			gatewayProxyWithValidProvider = `
 apiVersion: apisix.apache.org/v1alpha1
 kind: GatewayProxy
 metadata:
@@ -361,16 +291,7 @@ spec:
         adminKey:
           value: "test-key"
 `
-	)
-
-	Context("Test GatewayProxy Provider Validation", func() {
-		AfterEach(func() {
-			By("Clean up GatewayProxy resources")
-			_ = s.DeleteResourceFromString(gatewayProxyWithInvalidProviderType)
-			_ = s.DeleteResourceFromString(gatewayProxyWithMissingControlPlane)
-			_ = s.DeleteResourceFromString(gatewayProxyWithValidProvider)
-		})
-
+		)
 		It("Should reject invalid provider type", func() {
 			By("Create GatewayProxy with invalid provider type")
 			err := s.CreateResourceFromString(gatewayProxyWithInvalidProviderType)