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kube-arangodb/tests/immutable_test.go
2018-03-21 09:45:29 +01:00

111 lines
3.6 KiB
Go

package tests
import (
"context"
"fmt"
"testing"
"github.com/dchest/uniuri"
driver "github.com/arangodb/go-driver"
api "github.com/arangodb/kube-arangodb/pkg/apis/deployment/v1alpha"
"github.com/arangodb/kube-arangodb/pkg/client"
)
// TestImmutableStorageEngine
// Tests that storage engine of deployed cluster cannot be changed
func TestImmutableStorageEngine(t *testing.T) {
longOrSkip(t)
c := client.MustNewInCluster()
kubecli := mustNewKubeClient(t)
ns := getNamespace(t)
// Prepare deployment config
depl := newDeployment("test-ise-" + uniuri.NewLen(4))
depl.Spec.Mode = api.DeploymentModeCluster
depl.Spec.SetDefaults(depl.GetName())
// Create deployment
apiObject, err := c.DatabaseV1alpha().ArangoDeployments(ns).Create(depl)
if err != nil {
t.Fatalf("Create deployment failed: %v", err)
}
// Wait for deployment to be ready
if _, err := waitUntilDeployment(c, depl.GetName(), ns, deploymentHasState(api.DeploymentStateRunning)); err != nil {
t.Fatalf("Deployment not running in time: %v", err)
}
// Create a database client
ctx := context.Background()
client := mustNewArangodDatabaseClient(ctx, kubecli, apiObject, t)
// Wait for cluster to be completely ready
if err := waitUntilClusterHealth(client, func(h driver.ClusterHealth) error {
return clusterHealthEqualsSpec(h, apiObject.Spec)
}); err != nil {
t.Fatalf("Cluster not running in expected health in time: %v", err)
}
// Try to reset storageEngine ===============================================
if _, err := updateDeployment(c, depl.GetName(), ns,
func(spec *api.DeploymentSpec) {
spec.StorageEngine = api.StorageEngineMMFiles
}); err != nil {
t.Fatalf("Failed to update the StorageEngine setting: %v", err)
}
// Wait for StorageEngine parameter to be back to RocksDB
if _, err := waitUntilDeployment(c, depl.GetName(), ns,
func(depl *api.ArangoDeployment) error {
if depl.Spec.StorageEngine == api.StorageEngineRocksDB {
return nil
}
return fmt.Errorf("StorageEngine not back to %s", api.StorageEngineRocksDB)
}); err != nil {
t.Fatalf("StorageEngine parameter should not be immutable: %v", err)
}
// Try to reset the RocksDB encryption key ==================================
if _, err := updateDeployment(c, depl.GetName(), ns,
func(spec *api.DeploymentSpec) {
spec.RocksDB.Encryption.KeySecretName = "foobarbaz"
}); err != nil {
t.Fatalf("Failed to update the RocksDB encryption key: %v", err)
}
// Wait for deployment mode to be set back to cluster
if _, err := waitUntilDeployment(c, depl.GetName(), ns,
func(depl *api.ArangoDeployment) error {
if depl.Spec.RocksDB.Encryption.KeySecretName == "test.encryption.keySecretName" {
return nil
}
return fmt.Errorf("RocksDB encryption key not back to %s", "test.encryption.keySecretName")
}); err != nil {
t.Fatalf("RocksDB encryption key not be mutable: %v", err)
}
// Try to reset the deployment type ==========================================
if _, err := updateDeployment(c, depl.GetName(), ns,
func(spec *api.DeploymentSpec) {
spec.Mode = api.DeploymentModeSingle
}); err != nil {
t.Fatalf("Failed to update the deployment mode: %v", err)
}
// Wait for deployment mode to be set back to cluster
if _, err := waitUntilDeployment(c, depl.GetName(), ns,
func(depl *api.ArangoDeployment) error {
if depl.Spec.Mode == api.DeploymentModeCluster {
return nil
}
return fmt.Errorf("Deployment mode not back to %s", api.DeploymentModeCluster)
}); err != nil {
t.Fatalf("Deployment mode should not be mutable: %v", err)
}
// Cleanup
removeDeployment(c, depl.GetName(), ns)
}