liveness information should also be available at /health (besides /he…

…alth/liveness)

to avoid breaking changes

jobs/golangapiserver/spec

@@ -99,7 +99,9 @@ properties:
       Hash-Value of the password used for basic access authentication to connect to the protected health-endpoints.
       More secure alternative of setting the password. Set to `""` if you don't want to use it.
   autoscaler.apiserver.health.unprotected_endpoints:
-    description: "List of all health-endpoints, that run _without_ basic access authentication.Valid endpoints are /debug/pprof, /health/liveness, /health/prometheus, /health/readiness"
+    description: |
+      List of all health-endpoints, that run _without_ basic access authentication.
+      Valid endpoints are /debug/pprof, /health, /health/liveness, /health/prometheus, /health/readiness
     default: [] # protect everything
   autoscaler.apiserver.health.readiness_enabled:
     default: false

jobs/metricsforwarder/spec

@@ -143,7 +143,9 @@ properties:
     description: "the password of health endpoint"
     default: ''
   autoscaler.metricsforwarder.health.unprotected_endpoints:
-    description: "List of all health-endpoints, that run _without_ basic access authentication.Valid endpoints are /debug/pprof, /health/liveness, /health/prometheus, /health/readiness"
+    description: |
+      List of all health-endpoints, that run _without_ basic access authentication.
+      Valid endpoints are /debug/pprof, /health, /health/liveness, /health/prometheus, /health/readiness
     default: [] # protect everything
   autoscaler.metricsforwarder.health.readiness_enabled:
     default: false

jobs/metricsgateway/spec

@@ -118,7 +118,9 @@ properties:
     description: "the password of health endpoint"
     default: ''
   autoscaler.metricsgateway.health.unprotected_endpoints:
-    description: "List of all health-endpoints, that run _without_ basic access authentication.Valid endpoints are /debug/pprof, /health/liveness, /health/prometheus, /health/readiness"
+    description: |
+      List of all health-endpoints, that run _without_ basic access authentication.
+      Valid endpoints are /debug/pprof, /health, /health/liveness, /health/prometheus, /health/readiness
     default: [] # protect everything
   autoscaler.metricsgateway.health.readiness_enabled:
     default: false

jobs/metricsserver/spec

@@ -157,7 +157,9 @@ properties:
     description: "the password of health endpoint"
     default: ''
   autoscaler.metricsserver.health.unprotected_endpoints:
-    description: "List of all health-endpoints, that run _without_ basic access authentication.Valid endpoints are /debug/pprof, /health/liveness, /health/prometheus, /health/readiness"
+    description: |
+      List of all health-endpoints, that run _without_ basic access authentication.
+      Valid endpoints are /debug/pprof, /health, /health/liveness, /health/prometheus, /health/readiness
     default: [] # protect everything
   autoscaler.metricsserver.health.readiness_enabled:
     default: false

jobs/operator/spec

@@ -318,7 +318,9 @@ properties:
     description: "the password of health endpoint"
     default: ''
   autoscaler.operator.health.unprotected_endpoints:
-    description: "List of all health-endpoints, that run _without_ basic access authentication.Valid endpoints are /debug/pprof, /health/liveness, /health/prometheus, /health/readiness"
+    description: |
+      List of all health-endpoints, that run _without_ basic access authentication.
+      Valid endpoints are /debug/pprof, /health, /health/liveness, /health/prometheus, /health/readiness
     default: [] # protect everything
   autoscaler.operator.health.readiness_enabled:
     default: false

jobs/scalingengine/spec

@@ -176,7 +176,9 @@ properties:
     description: "the password of health endpoint"
     default: ''
   autoscaler.scalingengine.health.unprotected_endpoints:
-    description: "List of all health-endpoints, that run _without_ basic access authentication.Valid endpoints are /debug/pprof, /health/liveness, /health/prometheus, /health/readiness"
+    description: |
+      List of all health-endpoints, that run _without_ basic access authentication.
+      Valid endpoints are /debug/pprof, /health, /health/liveness, /health/prometheus, /health/readiness
     default: [] # protect everything
   autoscaler.scalingengine.health.readiness_enabled:
     default: false

jobs/scheduler/spec

@@ -128,7 +128,7 @@ properties:
   autoscaler.scheduler.health.unprotected_endpoints:
     description: |
       List of all health-endpoints, that run _without_ basic access authentication.
-      Valid endpoints are /health/liveness, /health/prometheus
+      Valid endpoints are /health, /health/liveness, /health/prometheus
     default: [] # protect everything
   autoscaler.changeloglock_timeout_seconds:
     default: 180

src/acceptance/api/basic_auth_test.go

@@ -1,6 +1,7 @@
 package api_test
 
 import (
+	"fmt"
 	"net/http"
 	"strings"
 
@@ -10,8 +11,11 @@ import (
 
 var _ = Describe("AutoScaler Health Endpoints with Basic Auth", func() {
 
-	urlfor := func(name string) func() string {
+	urlfor := func(name string, path string) func() string {
 		return func() string {
+			if path != "" {
+				healthURL = fmt.Sprintf("%s%s", cfg.ASApiEndpoint, path)
+			}
 			healthURL := strings.Replace(healthURL, cfg.ServiceName, cfg.ServiceName+"-"+name, 1)
 			return healthURL
 		}
@@ -20,12 +24,12 @@ var _ = Describe("AutoScaler Health Endpoints with Basic Auth", func() {
 		func(url func() string, statusCode func() int) {
 			Expect(Get(url())).To(Equal(statusCode()), "to get status code %d when getting %s", statusCode(), url())
 		},
-		Entry("API Server", urlfor("apiserver"), getStatus),
-		Entry("Eventgenerator", urlfor("eventgenerator"), getStatus),
-		Entry("Scaling Engine", urlfor("scalingengine"), getStatus),
-		Entry("Operator", urlfor("operator"), getStatus),
-		Entry("Metrics Forwarder", urlfor("metricsforwarder"), getStatus),
-		Entry("Scheduler", urlfor("scheduler"), getStatus),
+		Entry("API Server", urlfor("apiserver", ""), getStatus),
+		Entry("Eventgenerator", urlfor("eventgenerator", ""), getStatus),
+		Entry("Scaling Engine", urlfor("scalingengine", ""), getStatus),
+		Entry("Operator", urlfor("operator", ""), getStatus),
+		Entry("Metrics Forwarder", urlfor("metricsforwarder", ""), getStatus),
+		Entry("Scheduler", urlfor("scheduler", ""), getStatus),
 	)
 
 	DescribeTable("Basic Auth Credentials Provided",
@@ -34,12 +38,26 @@ var _ = Describe("AutoScaler Health Endpoints with Basic Auth", func() {
 			cfg.HealthEndpointsBasicAuthEnabled = true
 			Expect(Get(url())).To(Equal(statusCode()), "to get status code %d when getting %s", statusCode(), url())
 		},
-		Entry("API Server", urlfor("apiserver"), getStatus),
-		Entry("Eventgenerator", urlfor("eventgenerator"), getStatus),
-		Entry("Scaling Engine", urlfor("scalingengine"), getStatus),
-		Entry("Operator", urlfor("operator"), getStatus),
-		Entry("Metrics Forwarder", urlfor("metricsforwarder"), getStatus),
-		Entry("Scheduler", urlfor("scheduler"), getStatus),
+		Entry("API Server", urlfor("apiserver", ""), getStatus),
+		Entry("Eventgenerator", urlfor("eventgenerator", ""), getStatus),
+		Entry("Scaling Engine", urlfor("scalingengine", ""), getStatus),
+		Entry("Operator", urlfor("operator", ""), getStatus),
+		Entry("Metrics Forwarder", urlfor("metricsforwarder", ""), getStatus),
+		Entry("Scheduler", urlfor("scheduler", ""), getStatus),
+	)
+
+	DescribeTable("Liveness with Basic Auth Credentials Provided",
+
+		func(url func() string, statusCode func() int) {
+			cfg.HealthEndpointsBasicAuthEnabled = true
+			Expect(Get(url())).To(Equal(statusCode()), "to get status code %d when getting %s", statusCode(), url())
+		},
+		Entry("API Server", urlfor("apiserver", "/health"), getStatus),
+		Entry("Eventgenerator", urlfor("eventgenerator", "/health"), getStatus),
+		Entry("Scaling Engine", urlfor("scalingengine", "/health"), getStatus),
+		Entry("Operator", urlfor("operator", "/health"), getStatus),
+		Entry("Metrics Forwarder", urlfor("metricsforwarder", "/health"), getStatus),
+		Entry("Scheduler", urlfor("scheduler", "/health"), getStatus),
 	)
 })
 

src/autoscaler/healthendpoint/health_readiness_test.go

@@ -68,10 +68,6 @@ var _ = Describe("Health Readiness", func() {
 			prometheus.NewRegistry(), func() time.Time { return *timesetter })
 		Expect(err).ShouldNot(HaveOccurred())
 	})
-
-	// TODO: Check that `NewHealthRouterWithBasicAuth` returns an error if and only if
-	// the configuration is bad, i.e.: protection needed but parameters for basic auth insufficient
-
 	Context("Authentication parameter checks", func() {
 		When("username and password are defined", func() {
 			BeforeEach(func() {
@@ -149,6 +145,18 @@ var _ = Describe("Health Readiness", func() {
 					End()
 			})
 		})
+		When("/health endpoint is called", func() {
+			It("should response with liveness", func() {
+				apitest.New().Debug().
+					Handler(healthRoute).
+					Get(routes.LivenessBasePath).
+					Expect(t).
+					Status(http.StatusOK).
+					Header("Content-Type", "application/json").
+					Body(`{"overall_status" : "UP", "checks" : [] }`).
+					End()
+			})
+		})
 		When("/health/readiness endpoint is called", func() {
 			It("should response OK", func() {
 				apitest.New().Debug().
@@ -362,6 +370,17 @@ var _ = Describe("Health Readiness", func() {
 						Body(`{"overall_status" : "UP", "checks" : [] }`).
 						End()
 				})
+				It("should have json response", func() {
+					apitest.New().
+						Handler(healthRoute).
+						Get(routes.LivenessBasePath).
+						BasicAuth("test-user-name", "test-user-password").
+						Expect(t).
+						Status(http.StatusOK).
+						Header("Content-Type", "application/json").
+						Body(`{"overall_status" : "UP", "checks" : [] }`).
+						End()
+				})
 			})
 
 		})
@@ -385,8 +404,6 @@ var _ = Describe("Health Readiness", func() {
 					End()
 			})
 		})
-		// TODO Q. The same endpoint, we would like to offer as with and without basic auth.
-		//look's complex
 		When("Default / endpoint is called", func() {
 			It("should require basic auth", func() {
 				apitest.New().

src/autoscaler/healthendpoint/server.go

@@ -109,7 +109,7 @@ func NewHealthRouterWithBasicAuth(conf models.HealthConfig, healthCheckers []Che
 func addLivelinessHandlers(conf models.HealthConfig, mainRouter *mux.Router, time func() time.Time,
 	authMiddleware *basicAuthenticationMiddleware) error {
 	livenessHandler := common.VarsFunc(readiness([]Checker{}, time))
-	livenessRouter := mainRouter.PathPrefix(routes.LivenessPath).Subrouter()
+	livenessRouter := mainRouter.PathPrefix(routes.LivenessBasePath).Subrouter()
 
 	if endpointsNeedsProtection(routes.LivenessPath, conf) {
 		if !conf.BasicAuthPossible() {
@@ -118,6 +118,7 @@ func addLivelinessHandlers(conf models.HealthConfig, mainRouter *mux.Router, tim
 		livenessRouter.Use(authMiddleware.middleware)
 	}
 	livenessRouter.Handle("", livenessHandler)
+	livenessRouter.Handle("/liveness", livenessHandler)
 
 	return nil
 }

src/autoscaler/routes/routes.go

@@ -29,8 +29,6 @@ const (
 	SyncActiveSchedulesPath      = "/v1/syncSchedules"
 	SyncActiveSchedulesRouteName = "SyncActiveSchedules"
 
-	BrokerHealthPath = "/health"
-
 	EnvelopePath               = "/v1/envelopes"
 	EnvelopeReportRouteName    = "ReportEnvelope"
 	CustomMetricsPath          = "/v1/apps/{appid}/metrics"
@@ -56,6 +54,7 @@ const (
 	PublicApiInfoPath      = "/v1/info"
 	PublicApiInfoRouteName = "GetPublicApiInfo"
 	LivenessPath           = "/health/liveness"
+	LivenessBasePath       = "/health"
 	ReadinessPath          = "/health/readiness"
 	PrometheusPath         = "/health/prometheus"
 	PprofPath              = "/debug/pprof"