Refactoring of test scripts

Makefile

@@ -38,8 +38,8 @@ test:
 	@go test -v -race -tags "$(BUILDTAGS) cgo" ${GO_LIST_FILES}
 
 .PHONY: test-e2e
-test-e2e: ginkgo
-	@go run hack/e2e.go -v --up --test --down
+test-e2e:
+	@go run hack/e2e.go --verbose --up --test --down --files="hack/nginx-ingress-controller.yaml,hack/default-backend.yaml"
 
 .PHONY: cover
 cover:
@@ -66,7 +66,3 @@ docker-build:
 .PHONY: docker-push
 docker-push:
 	make -C controllers/nginx push
-
-.PHONY: ginkgo
-ginkgo:
-	go get github.com/onsi/ginkgo/ginkgo

hack/default-backend.yaml

@@ -0,0 +1,51 @@
+apiVersion: extensions/v1beta1
+kind: Deployment
+metadata:
+  name: default-http-backend
+  labels:
+    k8s-app: default-http-backend
+  namespace: kube-system
+spec:
+  replicas: 1
+  template:
+    metadata:
+      labels:
+        k8s-app: default-http-backend
+    spec:
+      terminationGracePeriodSeconds: 60
+      containers:
+      - name: default-http-backend
+        # Any image is permissable as long as:
+        # 1. It serves a 404 page at /
+        # 2. It serves 200 on a /healthz endpoint
+        image: gcr.io/google_containers/defaultbackend:1.0
+        livenessProbe:
+          httpGet:
+            path: /healthz
+            port: 8080
+            scheme: HTTP
+          initialDelaySeconds: 30
+          timeoutSeconds: 5
+        ports:
+        - containerPort: 8080
+        resources:
+          limits:
+            cpu: 10m
+            memory: 20Mi
+          requests:
+            cpu: 10m
+            memory: 20Mi
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: default-http-backend
+  namespace: kube-system
+  labels:
+    k8s-app: default-http-backend
+spec:
+  ports:
+  - port: 80
+    targetPort: 8080
+  selector:
+    k8s-app: default-http-backend

hack/e2e-internal/e2e-env.sh

@@ -18,7 +18,7 @@ if [ ! -e ${KUBECTL} ]; then
 fi
 
 if [ ! -e ${MINIKUBE} ]; then
-  echo "kubectl binary is missing. downloading..."
+  echo "minikube binary is missing. downloading..."
   curl -sSLo ${MINIKUBE} https://storage.googleapis.com/minikube/releases/v${MINIKUBE_VERSION}/minikube-linux-amd64
   chmod +x ${MINIKUBE}
 fi

hack/e2e-internal/ginkgo-e2e.sh

@@ -1,3 +0,0 @@
-#!/usr/bin/env bash
-
-echo "running ginkgo"

hack/e2e-internal/run-e2e.sh

@@ -0,0 +1,3 @@
+#!/usr/bin/env bash
+
+go test -v k8s.io/ingress/hack/... -tags -run ^TestIngressSuite$ --args --alsologtostderr --v=10

hack/e2e.go

@@ -34,11 +34,12 @@ var (
 	build      = flag.Bool("build", true, "Build the backends images indicated by the env var BACKENDS required to run e2e tests.")
 	up         = flag.Bool("up", true, "Creates a kubernetes cluster using hyperkube (containerized kubelet).")
 	down       = flag.Bool("down", true, "destroys the created cluster.")
-	test       = flag.Bool("test", true, "Run Ginkgo tests.")
+	test       = flag.Bool("test", true, "Run tests.")
 	dump       = flag.String("dump", "", "If set, dump cluster logs to this location on test or cluster-up failure")
-	testArgs   = flag.String("test-args", "", "Space-separated list of arguments to pass to Ginkgo test runner.")
+	testArgs   = flag.String("test-args", "", "Space-separated list of arguments to pass to the test runner.")
 	deployment = flag.String("deployment", "bash", "up/down mechanism")
-	verbose    = flag.Bool("v", false, "If true, print all command output.")
+	verbose    = flag.Bool("verbose", false, "If true, print all command output.")
+	files      = flag.String("files", "", "Path to a file/S descriptor that will create an Ingress controller")
 )
 
 func appendError(errs []error, err error) []error {
@@ -139,6 +140,10 @@ func main() {
 }
 
 func run(deploy deployer) error {
+	if *files == "" {
+		return fmt.Errorf("missing required flag --files")
+	}
+
 	if *dump != "" {
 		defer writeXML(time.Now())
 	}
@@ -172,7 +177,7 @@ func run(deploy deployer) error {
 			return fmt.Errorf("starting e2e cluster: %s", err)
 		}
 		if *dump != "" {
-			cmd := exec.Command("./cluster/kubectl.sh", "--match-server-version=false", "get", "nodes", "-oyaml")
+			cmd := exec.Command("./hack/e2e-internal/kubectl", "get", "nodes", "-oyaml")
 			b, err := cmd.CombinedOutput()
 			if *verbose {
 				log.Printf("kubectl get nodes:\n%s", string(b))
@@ -187,6 +192,10 @@ func run(deploy deployer) error {
 		}
 	}
 
+	if err := deploy.SetupController(*files); err != nil {
+		errs = appendError(errs, err)
+	}
+
 	if *test {
 		if err := xmlWrap("IsUp", deploy.IsUp); err != nil {
 			errs = appendError(errs, err)
@@ -226,6 +235,7 @@ type deployer interface {
 	Up() error
 	IsUp() error
 	SetupKubecfg() error
+	SetupController(p string) error
 	Down() error
 }
 
@@ -252,6 +262,18 @@ func (b bash) SetupKubecfg() error {
 	return nil
 }
 
+func (b bash) SetupController(p string) error {
+	files := strings.Split(p, ",")
+	for _, f := range files {
+		err := finishRunning("setup controller", exec.Command("./hack/e2e-internal/kubectl", "create", "-f", f))
+		if err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
 func (b bash) Down() error {
 	return finishRunning("teardown", exec.Command("./hack/e2e-internal/e2e-down.sh"))
 }
@@ -262,10 +284,7 @@ func DumpClusterLogs(location string) error {
 }
 
 func Test() error {
-	if *testArgs == "" {
-		*testArgs = "--ginkgo.focus=\\[Feature:Ingress\\]"
-	}
-	return finishRunning("Ginkgo tests", exec.Command("./hack/e2e-internal/ginkgo-e2e.sh", strings.Fields(*testArgs)...))
+	return finishRunning("Ingress tests", exec.Command("./hack/e2e-internal/run-e2e.sh", strings.Fields(*testArgs)...))
 }
 
 func finishRunning(stepName string, cmd *exec.Cmd) error {

hack/e2e_types.go

@@ -0,0 +1,61 @@
+/*
+Copyright 2017 The Kubernetes Authors.
+
+Licensed 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
+*/
+
+package main
+
+import (
+	"time"
+
+	"k8s.io/client-go/pkg/api"
+	extensions "k8s.io/client-go/pkg/apis/extensions/v1beta1"
+)
+
+// IngressTestCase defines a test case for Ingress
+type IngressTestCase struct {
+	Name                  string                     `yaml:"name"`
+	Description           string                     `yaml:"description"`
+	Pod                   *api.Pod                   `yaml:"pod"`
+	ReplicationController *api.ReplicationController `yaml:"replicationController"`
+	Deployment            *extensions.Deployment     `yaml:"deployment"`
+	Assert                []*Assert                  `yaml:"tests"`
+}
+
+// Assert defines a verification over the
+type Assert struct {
+	Name    string        `yaml:"name"`
+	Request Request       `yaml:"request"`
+	Expect  []*Expect     `yaml:"expect"`
+	Timeout time.Duration `yaml:"timeout"`
+}
+
+// Request defines a HTTP/s request to be executed against an Ingress
+type Request struct {
+	Method  string                 `yaml:"method"`
+	URL     string                 `yaml:"url"`
+	Query   map[string]interface{} `yaml:"query"`
+	Form    map[string]interface{} `yaml:"form"`
+	Body    interface{}            `yaml:"body"`
+	Headers map[string]string      `yaml:"headers"`
+}
+
+// Expect defines the required conditions that must be true from a request response
+type Expect struct {
+	Body           []byte            `yaml:"body"`
+	ContentType    string            `yaml:"contentType"`
+	Header         []string          `yaml:"header"`
+	HeaderAndValue map[string]string `yaml:"headerAndValue"`
+	Statuscode     int               `yaml:"statucDode"`
+}

hack/ingress_test.go

@@ -0,0 +1,111 @@
+/*
+Copyright 2017 The Kubernetes Authors.
+
+Licensed 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
+*/
+
+package main
+
+import (
+	"fmt"
+	"os"
+	"path"
+	"path/filepath"
+	"strings"
+	"testing"
+)
+
+func TestIngressSuite(t *testing.T) {
+	pwd, _ := os.Getwd()
+	filepath.Walk(path.Join(pwd, "/suite"),
+		func(path string, info os.FileInfo, err error) error {
+			if strings.HasSuffix(path, ".yaml") {
+				t.Log(path)
+				runTestCase(path, t)
+			}
+			return nil
+		})
+}
+
+func runTestCase(rawtc string, t *testing.T) {
+	tc, err := parseTestCase(rawtc)
+	if err != nil {
+		t.Fatalf("unexpected error reading Ingress test case file %v: %v", rawtc, err)
+	}
+
+	t.Run(tc.Name, func(t *testing.T) {
+		t.Logf("starting deploy of requirements for test case '%v'", tc.Name)
+		err := tc.deploy()
+		if err != nil {
+			t.Fatalf("unexpected error in test case deploy process: %v", err)
+		}
+
+		if tc.Assert == nil {
+			t.Fatalf("test case %v does not contains tests", tc.Name)
+		}
+
+		for _, assert := range tc.Assert {
+			t.Logf("running assert %v", assert.Name)
+		}
+
+		err = tc.undeploy()
+		if err != nil {
+			t.Fatalf("unexpected error in test case deploy process: %v", err)
+		}
+	})
+}
+
+// parseTestCase parses a test case from a yaml file
+func parseTestCase(p string) (IngressTestCase, error) {
+	return IngressTestCase{
+		Name: "basic test",
+	}, nil
+}
+
+// deploy creates the kubernetes object specified in the test case
+func (tc IngressTestCase) deploy() error {
+	if tc.Pod != nil {
+		return nil
+	}
+
+	if tc.ReplicationController != nil {
+		return nil
+	}
+
+	if tc.Deployment != nil {
+		return nil
+	}
+
+	return fmt.Errorf("invalid deployment option. Please check the test case")
+}
+
+// undeploy removes the kubernetes object created by the test case
+func (tc IngressTestCase) undeploy() error {
+	if tc.Pod != nil {
+		return nil
+	}
+
+	if tc.ReplicationController != nil {
+		return nil
+	}
+
+	if tc.Deployment != nil {
+		return nil
+	}
+
+	return nil
+}
+
+func deployIngressController() error {
+	return nil
+}

hack/nginx-ingress-controller.yaml

@@ -0,0 +1,47 @@
+apiVersion: extensions/v1beta1
+kind: Deployment
+metadata:
+  name: nginx-ingress-controller
+  labels:
+    k8s-app: nginx-ingress-controller
+  namespace: kube-system
+spec:
+  replicas: 1
+  template:
+    metadata:
+      labels:
+        k8s-app: nginx-ingress-controller
+    spec:
+      terminationGracePeriodSeconds: 60
+      containers:
+      - image: gcr.io/google_containers/nginx-ingress-controller:0.9.0-beta.7
+        name: nginx-ingress-controller
+        readinessProbe:
+          httpGet:
+            path: /healthz
+            port: 10254
+            scheme: HTTP
+        livenessProbe:
+          httpGet:
+            path: /healthz
+            port: 10254
+            scheme: HTTP
+          initialDelaySeconds: 10
+          timeoutSeconds: 1
+        ports:
+        - containerPort: 80
+          hostPort: 80
+        - containerPort: 443
+          hostPort: 443
+        env:
+          - name: POD_NAME
+            valueFrom:
+              fieldRef:
+                fieldPath: metadata.name
+          - name: POD_NAMESPACE
+            valueFrom:
+              fieldRef:
+                fieldPath: metadata.namespace
+        args:
+        - /nginx-ingress-controller
+        - --default-backend-service=$(POD_NAMESPACE)/default-http-backend

hack/suite/0001.yaml

@@ -0,0 +1 @@
+-