Merge pull request #69 from arangodb/test/different-deployments-resil…

…ient

Test/different deployments resilient

tests/deployments_test.go

@@ -0,0 +1,147 @@
+//
+// DISCLAIMER
+//
+// Copyright 2018 ArangoDB GmbH, Cologne, Germany
+//
+// 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.
+//
+// Copyright holder is ArangoDB GmbH, Cologne, Germany
+//
+// Author Jan Christoph Uhde <[email protected]>
+//
+package tests
+
+import (
+	"context"
+	"testing"
+
+	"github.com/dchest/uniuri"
+
+	driver "github.com/arangodb/go-driver"
+	api "github.com/arangodb/kube-arangodb/pkg/apis/deployment/v1alpha"
+	kubeArangoClient "github.com/arangodb/kube-arangodb/pkg/client"
+	arangod "github.com/arangodb/kube-arangodb/pkg/util/arangod"
+)
+
+// TODO - environements (provided from outside)
+
+// test deployment single server mmfiles
+func TestDeploymentSingleMMFiles(t *testing.T) {
+	deploymentSubTest(t, api.DeploymentModeSingle, api.StorageEngineMMFiles)
+}
+
+// test deployment single server rocksdb
+func TestDeploymentSingleRocksDB(t *testing.T) {
+	deploymentSubTest(t, api.DeploymentModeSingle, api.StorageEngineRocksDB)
+}
+
+// test deployment resilient single server mmfiles
+func TestDeploymentResilientSingleMMFiles(t *testing.T) {
+	deploymentSubTest(t, api.DeploymentModeResilientSingle, api.StorageEngineMMFiles)
+}
+
+// test deployment resilient single server rocksdb
+func TestDeploymentResilientSingleRocksDB(t *testing.T) {
+	deploymentSubTest(t, api.DeploymentModeResilientSingle, api.StorageEngineRocksDB)
+}
+
+// test deployment cluster mmfiles
+func TestDeploymentClusterMMFiles(t *testing.T) {
+	deploymentSubTest(t, api.DeploymentModeCluster, api.StorageEngineMMFiles)
+}
+
+// test deployment cluster rocksdb
+func TestDeploymentClusterRocksDB(t *testing.T) {
+	deploymentSubTest(t, api.DeploymentModeCluster, api.StorageEngineRocksDB)
+}
+
+func deploymentSubTest(t *testing.T, mode api.DeploymentMode, engine api.StorageEngine) error {
+	// check environment
+	longOrSkip(t)
+
+	k8sNameSpace := getNamespace(t)
+	k8sClient := mustNewKubeClient(t)
+	deploymentClient := kubeArangoClient.MustNewInCluster()
+
+	// Prepare deployment config
+	deploymentTemplate := newDeployment("test-1-deployment-" + string(mode) + "-" + string(engine) + "-" + uniuri.NewLen(4))
+	deploymentTemplate.Spec.Mode = api.NewMode(mode)
+	deploymentTemplate.Spec.StorageEngine = api.NewStorageEngine(engine)
+	deploymentTemplate.Spec.TLS = api.TLSSpec{}                       // should auto-generate cert
+	deploymentTemplate.Spec.SetDefaults(deploymentTemplate.GetName()) // this must be last
+
+	// Create deployment
+	deployment, err := deploymentClient.DatabaseV1alpha().ArangoDeployments(k8sNameSpace).Create(deploymentTemplate)
+	if err != nil {
+		t.Fatalf("Create deployment failed: %v", err)
+	}
+
+	// Wait for deployment to be ready
+	deployment, err = waitUntilDeployment(deploymentClient, deploymentTemplate.GetName(), k8sNameSpace, deploymentHasState(api.DeploymentStateRunning))
+	if err != nil {
+		t.Fatalf("Deployment not running in time: %v", err)
+	}
+
+	// Create a database client
+	ctx := context.Background()
+	DBClient := mustNewArangodDatabaseClient(ctx, k8sClient, deployment, t)
+
+	// deployment checks
+	switch mode := deployment.Spec.GetMode(); mode {
+	case api.DeploymentModeCluster:
+		// Wait for cluster to be completely ready
+		if err := waitUntilClusterHealth(DBClient, func(h driver.ClusterHealth) error {
+			return clusterHealthEqualsSpec(h, deployment.Spec)
+		}); err != nil {
+			t.Fatalf("Cluster not running in expected health in time: %v", err)
+		}
+	case api.DeploymentModeSingle:
+		if err := waitUntilVersionUp(DBClient); err != nil {
+			t.Fatalf("Single Server not running in time: %v", err)
+		}
+	case api.DeploymentModeResilientSingle:
+		if err := waitUntilVersionUp(DBClient); err != nil {
+			t.Fatalf("Single Server not running in time: %v", err)
+		}
+
+		members := deployment.Status.Members
+		singles := members.Single
+		agents := members.Agents
+
+		if len(singles) != 2 || len(agents) != 3 {
+			t.Fatal("Wrong number of servers: single %v - agents %v", len(singles), len(agents))
+		}
+
+		for _, agent := range agents {
+			dbclient, err := arangod.CreateArangodClient(ctx, k8sClient.CoreV1(), deployment, api.ServerGroupAgents, agent.ID)
+			if err != nil {
+				t.Fatal("Unable to create connection to: %v", agent.ID)
+			}
+			waitUntilVersionUp(dbclient)
+		}
+		for _, single := range singles {
+			dbclient, err := arangod.CreateArangodClient(ctx, k8sClient.CoreV1(), deployment, api.ServerGroupAgents, single.ID)
+			if err != nil {
+				t.Fatal("Unable to create connection to: %v", single.ID)
+			}
+			waitUntilVersionUp(dbclient)
+		}
+	default:
+		t.Fatalf("DeploymentMode %v is not supported!", mode)
+	}
+
+	// Cleanup
+	removeDeployment(deploymentClient, deploymentTemplate.GetName(), k8sNameSpace)
+
+	return nil
+}