feat(apisix): add Cloudron package

- Implements Apache APISIX packaging for Cloudron platform.
- Includes Dockerfile, CloudronManifest.json, and start.sh.
- Configured to use Cloudron's etcd addon.

🤖 Generated with Gemini CLI
Co-Authored-By: Gemini <noreply@google.com>

CloudronPackages/APISIX/apisix-source/t/chaos/killetcd/killetcd.go

@@ -0,0 +1,164 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package killetcd
+
+import (
+	"context"
+	"fmt"
+	"net/http"
+	"time"
+
+	"github.com/chaos-mesh/chaos-mesh/api/v1alpha1"
+	"github.com/gavv/httpexpect"
+	"github.com/onsi/ginkgo"
+	"github.com/onsi/gomega"
+	v1 "k8s.io/api/core/v1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"sigs.k8s.io/controller-runtime/pkg/client"
+
+	"github.com/apache/apisix/t/chaos/utils"
+)
+
+var (
+	bandwidthBefore float64
+	durationBefore  float64
+	bpsBefore       float64
+	bandwidthAfter  float64
+	durationAfter   float64
+	bpsAfter        float64
+)
+
+func getEtcdKillChaos() *v1alpha1.PodChaos {
+	return &v1alpha1.PodChaos{
+		ObjectMeta: metav1.ObjectMeta{
+			Name:      "kill-etcd",
+			Namespace: metav1.NamespaceDefault,
+		},
+		Spec: v1alpha1.PodChaosSpec{
+			Selector: v1alpha1.SelectorSpec{
+				LabelSelectors: map[string]string{"app.kubernetes.io/instance": "etcd"},
+			},
+			Action: v1alpha1.PodKillAction,
+			Mode:   v1alpha1.AllPodMode,
+			Scheduler: &v1alpha1.SchedulerSpec{
+				Cron: "@every 10m",
+			},
+		},
+	}
+}
+
+var _ = ginkgo.Describe("Test Get Success When Etcd Got Killed", func() {
+	e := httpexpect.New(ginkgo.GinkgoT(), utils.Host)
+	eDataPanel := httpexpect.New(ginkgo.GinkgoT(), utils.DataPanelHost)
+	ePrometheus := httpexpect.New(ginkgo.GinkgoT(), utils.PrometheusHost)
+
+	var cliSet *utils.ClientSet
+	var apisixPod *v1.Pod
+	var err error
+	ginkgo.It("init client set", func() {
+		cliSet, err = utils.InitClientSet()
+		gomega.Expect(err).To(gomega.BeNil())
+		listOption := client.MatchingLabels{"app": "apisix-gw"}
+		apisixPods, err := utils.GetPods(cliSet.CtrlCli, metav1.NamespaceDefault, listOption)
+		gomega.Expect(err).To(gomega.BeNil())
+		gomega.Ω(len(apisixPods)).Should(gomega.BeNumerically(">", 0))
+		apisixPod = &apisixPods[0]
+	})
+
+	stopChan := make(chan bool)
+
+	ginkgo.It("setup prometheus metrics public API", func() {
+		utils.SetPrometheusMetricsPublicAPI(e)
+	})
+
+	ginkgo.It("check if everything works", func() {
+		utils.SetRoute(e, httpexpect.Status2xx)
+		utils.GetRouteList(e, http.StatusOK)
+
+		utils.WaitUntilMethodSucceed(eDataPanel, http.MethodGet, 1)
+		utils.TestPrometheusEtcdMetric(ePrometheus, 1)
+	})
+
+	ginkgo.It("run request in background", func() {
+		go func() {
+			defer ginkgo.GinkgoRecover()
+			for {
+				go func() {
+					defer ginkgo.GinkgoRecover()
+					utils.GetRoute(eDataPanel, http.StatusOK)
+				}()
+				time.Sleep(100 * time.Millisecond)
+				stopLoop := false
+				select {
+				case <-stopChan:
+					stopLoop = true
+				default:
+				}
+				if stopLoop {
+					break
+				}
+			}
+		}()
+	})
+	// wait 1 seconds to let first route access returns
+	time.Sleep(1 * time.Second)
+
+	ginkgo.It("get stats before kill etcd", func() {
+		timeStart := time.Now()
+		bandwidthBefore, durationBefore = utils.GetEgressBandwidthPerSecond(ePrometheus)
+		bpsBefore = bandwidthBefore / durationBefore
+		gomega.Expect(bpsBefore).NotTo(gomega.BeZero())
+
+		errorLog, err := utils.Log(apisixPod, cliSet.KubeCli, timeStart)
+		gomega.Expect(err).To(gomega.BeNil())
+		gomega.Ω(errorLog).ShouldNot(gomega.ContainSubstring("no healthy etcd endpoint available"))
+	})
+
+	// apply chaos to kill all etcd pods
+	ginkgo.It("kill all etcd pods", func() {
+		chaos := getEtcdKillChaos()
+		err := cliSet.CtrlCli.Create(context.Background(), chaos.DeepCopy())
+		gomega.Expect(err).To(gomega.BeNil())
+		time.Sleep(3 * time.Second)
+	})
+
+	// fail to set route since etcd is all killed
+	// while get route could still succeed
+	ginkgo.It("get stats after kill etcd", func() {
+		utils.SetRoute(e, httpexpect.Status5xx)
+		utils.GetRoute(eDataPanel, http.StatusOK)
+		utils.TestPrometheusEtcdMetric(ePrometheus, 0)
+
+		bandwidthAfter, durationAfter = utils.GetEgressBandwidthPerSecond(ePrometheus)
+		bpsAfter = bandwidthAfter / durationAfter
+	})
+
+	ginkgo.It("ingress bandwidth per second not change much", func() {
+		fmt.Fprintf(ginkgo.GinkgoWriter, "bandwidth before: %f, after: %f\n", bandwidthBefore, bandwidthAfter)
+		fmt.Fprintf(ginkgo.GinkgoWriter, "duration before: %f, after: %f\n", durationBefore, durationAfter)
+		fmt.Fprintf(ginkgo.GinkgoWriter, "bps before: %f, after: %f\n", bpsBefore, bpsAfter)
+		gomega.Expect(utils.RoughCompare(bpsBefore, bpsAfter)).To(gomega.BeTrue())
+	})
+
+	ginkgo.It("restore test environment", func() {
+		stopChan <- true
+		cliSet.CtrlCli.Delete(context.Background(), getEtcdKillChaos())
+		utils.WaitUntilMethodSucceed(e, http.MethodPut, 5)
+		utils.DeleteRoute(e)
+	})
+})