rbd: repair thick-provisioned images on CreateVolume restart

Signed-off-by: Niels de Vos <ndevos@redhat.com>

internal/rbd/controllerserver_test.go

@@ -0,0 +1,69 @@
+/*
+Copyright 2021 The Ceph-CSI 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 rbd
+
+import (
+	"testing"
+
+	"github.com/container-storage-interface/spec/lib/go/csi"
+)
+
+func TestIsThickProvisionRequest(t *testing.T) {
+	cs := &ControllerServer{}
+	req := &csi.CreateVolumeRequest{
+		Name: "fake",
+		Parameters: map[string]string{
+			"unkownOption": "not-set",
+		},
+	}
+
+	// pass disabled/invalid values for "thickProvision" option
+	if cs.isThickProvisionRequest(req) {
+		t.Error("request is not for thick-provisioning")
+	}
+
+	req.Parameters["thickProvision"] = ""
+	if cs.isThickProvisionRequest(req) {
+		t.Errorf("request is not for thick-provisioning: %s", req.Parameters["thickProvision"])
+	}
+
+	req.Parameters["thickProvision"] = "false"
+	if cs.isThickProvisionRequest(req) {
+		t.Errorf("request is not for thick-provisioning: %s", req.Parameters["thickProvision"])
+	}
+
+	req.Parameters["thickProvision"] = "off"
+	if cs.isThickProvisionRequest(req) {
+		t.Errorf("request is not for thick-provisioning: %s", req.Parameters["thickProvision"])
+	}
+
+	req.Parameters["thickProvision"] = "no"
+	if cs.isThickProvisionRequest(req) {
+		t.Errorf("request is not for thick-provisioning: %s", req.Parameters["thickProvision"])
+	}
+
+	req.Parameters["thickProvision"] = "**true**"
+	if cs.isThickProvisionRequest(req) {
+		t.Errorf("request is not for thick-provisioning: %s", req.Parameters["thickProvision"])
+	}
+
+	// only "true" should enable thick provisioning
+	req.Parameters["thickProvision"] = "true"
+	if !cs.isThickProvisionRequest(req) {
+		t.Errorf("request should be for thick-provisioning: %s", req.Parameters["thickProvision"])
+	}
+}