diff --git a/Makefile b/Makefile
index f40e810411794ae47b8c094de20bf5eb66c80f01..6b3651ae9f1579665146b8a73ce1e3c94c9afe43 100644
--- a/Makefile
+++ b/Makefile
@@ -42,6 +42,9 @@ test: $(JB_BINARY)
$(JB_BINARY) install
./test.sh
+test-e2e:
+ go test -timeout 55m -v ./tests/e2e
+
test-in-docker: ../../hack/jsonnet-docker-image
@echo ">> Compiling assets and generating Kubernetes manifests"
docker run \
diff --git a/tests/e2e/main_test.go b/tests/e2e/main_test.go
new file mode 100644
index 0000000000000000000000000000000000000000..e63730a3df146eb16c30ad7ea9426c198bf4ba14
--- /dev/null
+++ b/tests/e2e/main_test.go
@@ -0,0 +1,118 @@
+// Copyright 2019 The prometheus-operator 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 under the License.
+
+package e2e
+
+import (
+ "log"
+ "os"
+ "testing"
+ "time"
+
+ "github.com/pkg/errors"
+ "k8s.io/apimachinery/pkg/util/wait"
+ "k8s.io/client-go/kubernetes"
+ "k8s.io/client-go/tools/clientcmd"
+)
+
+var promClient *prometheusClient
+
+func TestMain(m *testing.M) {
+ os.Exit(testMain(m))
+}
+
+// testMain circumvents the issue, that one can not call `defer` in TestMain, as
+// `os.Exit` does not honor `defer` statements. For more details see:
+// http://blog.englund.nu/golang,/testing/2017/03/12/using-defer-in-testmain.html
+func testMain(m *testing.M) int {
+ kubeConfigPath, ok := os.LookupEnv("KUBECONFIG")
+ if !ok {
+ log.Fatal("failed to retrieve KUBECONFIG env var")
+ }
+
+ config, err := clientcmd.BuildConfigFromFlags("", kubeConfigPath)
+ if err != nil {
+ log.Fatal(err)
+ }
+
+ kubeClient, err := kubernetes.NewForConfig(config)
+ if err != nil {
+ log.Fatal(errors.Wrap(err, "creating kubeClient failed"))
+ }
+
+ promClient = newPrometheusClient(kubeClient)
+
+ return m.Run()
+}
+
+func TestQueryPrometheus(t *testing.T) {
+ t.Parallel()
+ queries := []struct {
+ query string
+ expectN int
+ }{
+ {
+ // query: `up{job="node-exporter"} == 1`,
+ // expectN: 1,
+ // }, {
+ // query: `up{job="kubelet"} == 1`,
+ // expectN: 1,
+ // }, {
+ query: `up{job="apiserver"} == 1`,
+ expectN: 1,
+ // }, {
+ // query: `up{job="kube-state-metrics"} == 1`,
+ // expectN: 1,
+ }, {
+ query: `up{job="prometheus-k8s"} == 1`,
+ expectN: 1,
+ }, {
+ query: `up{job="prometheus-operator"} == 1`,
+ expectN: 1,
+ }, {
+ query: `up{job="alertmanager-main"} == 1`,
+ expectN: 2,
+ },
+ }
+
+ // Wait for pod to respond at queries at all. Then start verifying their results.
+ err := wait.Poll(5*time.Second, 1*time.Minute, func() (bool, error) {
+ _, err := promClient.query("up")
+ return err == nil, nil
+ })
+ if err != nil {
+ t.Fatal(errors.Wrap(err, "wait for prometheus-k8s"))
+ }
+
+ err = wait.Poll(5*time.Second, 1*time.Minute, func() (bool, error) {
+ defer t.Log("---------------------------\n")
+
+ for _, q := range queries {
+ n, err := promClient.query(q.query)
+ if err != nil {
+ return false, err
+ }
+ if n < q.expectN {
+ // Don't return an error as targets may only become visible after a while.
+ t.Logf("expected at least %d results for %q but got %d", q.expectN, q.query, n)
+ return false, nil
+ }
+ t.Logf("query %q succeeded", q.query)
+ }
+ return true, nil
+ })
+ if err != nil {
+ t.Fatal(err)
+ }
+}
diff --git a/tests/e2e/prometheus_client.go b/tests/e2e/prometheus_client.go
new file mode 100644
index 0000000000000000000000000000000000000000..b87ce3e5fff8ca7f4b32d392304d2c007eb8703b
--- /dev/null
+++ b/tests/e2e/prometheus_client.go
@@ -0,0 +1,52 @@
+// Copyright 2019 The prometheus-operator 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 under the License.
+
+package e2e
+
+import (
+ "k8s.io/client-go/kubernetes"
+
+ "github.com/Jeffail/gabs"
+)
+
+type prometheusClient struct {
+ kubeClient kubernetes.Interface
+}
+
+func newPrometheusClient(kubeClient kubernetes.Interface) *prometheusClient {
+ return &prometheusClient{kubeClient}
+}
+
+// Query makes a request against the Prometheus /api/v1/query endpoint.
+func (c *prometheusClient) query(query string) (int, error) {
+ req := c.kubeClient.CoreV1().RESTClient().Get().
+ Namespace("monitoring").
+ Resource("pods").
+ SubResource("proxy").
+ Name("prometheus-k8s-0:9090").
+ Suffix("/api/v1/query").Param("query", query)
+
+ b, err := req.DoRaw()
+ if err != nil {
+ return 0, err
+ }
+
+ res, err := gabs.ParseJSON(b)
+ if err != nil {
+ return 0, err
+ }
+
+ n, err := res.ArrayCountP("data.result")
+ return n, err
+}
diff --git a/tests/e2e/travis-e2e.sh b/tests/e2e/travis-e2e.sh
new file mode 100755
index 0000000000000000000000000000000000000000..45fb974a484bec53906bb972e2a33652ff8d0abc
--- /dev/null
+++ b/tests/e2e/travis-e2e.sh
@@ -0,0 +1,24 @@
+#!/usr/bin/env bash
+# exit immediately when a command fails
+set -e
+# only exit with zero if all commands of the pipeline exit successfully
+set -o pipefail
+# error on unset variables
+set -u
+# print each command before executing it
+set -x
+
+SCRIPT_DIR=$(dirname "${BASH_SOURCE[0]}")
+
+"${SCRIPT_DIR}"/../../../../scripts/create-minikube.sh
+
+# waiting for kube-dns to be ready
+JSONPATH='{range .items[*]}{@.metadata.name}:{range @.status.conditions[*]}{@.type}={@.status};{end}{end}'; until kubectl -n kube-system get pods -lk8s-app=kube-dns -o jsonpath="$JSONPATH" 2>&1 | grep -q "Ready=True"; do sleep 1;echo "waiting for kube-dns to be available"; kubectl get pods --all-namespaces; done
+
+(
+ cd "${SCRIPT_DIR}"/../.. || exit
+ kubectl apply -f manifests
+ KUBECONFIG=~/.kube/config make test-e2e
+)
+
+"${SCRIPT_DIR}"/../../../../scripts/delete-minikube.sh