Merge pull request #210 from kinvolk/invidian/calico-tests

test/calico: initial commit

go.mod

@@ -46,6 +46,7 @@ require (
 	github.com/packethost/packngo v0.2.0
 	github.com/pelletier/go-toml v1.6.0 // indirect
 	github.com/pkg/errors v0.9.1
+	github.com/projectcalico/libcalico-go v1.7.2-0.20200121214551-31188cbacff0
 	github.com/prometheus/alertmanager v0.20.0
 	github.com/prometheus/client_golang v1.5.0
 	github.com/prometheus/procfs v0.0.10 // indirect
@@ -102,3 +103,6 @@ replace helm.sh/helm/v3 => github.com/kinvolk/helm/v3 v3.0.3-0.20200115143854-74
 // https://github.com/kubernetes/kubernetes/issues/88183
 // https://github.com/googleapis/gnostic/commit/896953e6749863beec38e27029c804e88c3144b8
 replace github.com/googleapis/gnostic => github.com/googleapis/gnostic v0.4.0
+
+// To address https://github.com/etcd-io/etcd/issues/11563. Required until new version of etcd is released with the fix.
+replace google.golang.org/grpc => google.golang.org/grpc v1.26.0

test/calico/calico_test.go

@@ -0,0 +1,67 @@
+// Copyright 2020 The Lokomotive 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.
+
+// +build packet
+// +build poste2e
+
+package calico
+
+import (
+	"context"
+	"testing"
+
+	"github.com/projectcalico/libcalico-go/lib/apiconfig"
+	client "github.com/projectcalico/libcalico-go/lib/clientv3"
+	"github.com/projectcalico/libcalico-go/lib/options"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+
+	"github.com/kinvolk/lokomotive/test/components/util"
+)
+
+func TestHostEndpoints(t *testing.T) {
+	// Build Calico client.
+	cac := apiconfig.NewCalicoAPIConfig()
+	cac.Spec.DatastoreType = apiconfig.Kubernetes
+	cac.Spec.Kubeconfig = util.KubeconfigPath(t)
+
+	c, err := client.New(*cac)
+	if err != nil {
+		t.Fatalf("failed creating Calico client: %v", err)
+	}
+
+	// Build list of nodes which has associated HostEndpoint object.
+	hostEndpointList, err := c.HostEndpoints().List(context.TODO(), options.ListOptions{})
+	if err != nil {
+		t.Fatalf("failed getting hostendpoint objects: %v", err)
+	}
+
+	endpoints := map[string]struct{}{}
+
+	for _, v := range hostEndpointList.Items {
+		endpoints[v.Spec.Node] = struct{}{}
+	}
+
+	cs := util.CreateKubeClient(t)
+
+	nodes, err := cs.CoreV1().Nodes().List(metav1.ListOptions{})
+	if err != nil {
+		t.Fatalf("failed getting list of nodes in the cluster: %v", err)
+	}
+
+	for _, v := range nodes.Items {
+		if _, ok := endpoints[v.Name]; !ok {
+			t.Errorf("no HostEndpoint object found for node %q", v.Name)
+		}
+	}
+}