ceph-csi/internal/rbd/nodeserver_test.go

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/*
Copyright 2020 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 (
"context"
"encoding/json"
"os"
"testing"
cephcsi "github.com/ceph/ceph-csi/api/deploy/kubernetes"
csicommon "github.com/ceph/ceph-csi/internal/csi-common"
"github.com/ceph/ceph-csi/internal/util"
"github.com/container-storage-interface/spec/lib/go/csi"
"github.com/stretchr/testify/require"
)
func TestGetStagingPath(t *testing.T) {
t.Parallel()
var stagingPath string
// test with nodestagevolumerequest
nsvr := &csi.NodeStageVolumeRequest{
VolumeId: "758978be-6331-4925-b25e-e490fe99c9eb",
StagingTargetPath: "/path/to/stage",
}
expect := "/path/to/stage/758978be-6331-4925-b25e-e490fe99c9eb"
stagingPath = getStagingTargetPath(nsvr)
if stagingPath != expect {
t.Errorf("getStagingTargetPath() = %s, got %s", stagingPath, expect)
}
// test with nodestagevolumerequest
nuvr := &csi.NodeUnstageVolumeRequest{
VolumeId: "622cfdeb-69bf-4de6-9bd7-5fa0b71a603e",
StagingTargetPath: "/path/to/unstage",
}
expect = "/path/to/unstage/622cfdeb-69bf-4de6-9bd7-5fa0b71a603e"
stagingPath = getStagingTargetPath(nuvr)
if stagingPath != expect {
t.Errorf("getStagingTargetPath() = %s, got %s", stagingPath, expect)
}
// test with non-handled interface
expect = ""
stagingPath = getStagingTargetPath("")
if stagingPath != expect {
t.Errorf("getStagingTargetPath() = %s, got %s", stagingPath, expect)
}
}
func TestParseBoolOption(t *testing.T) {
t.Parallel()
ctx := context.TODO()
optionName := "myOption"
defaultValue := false
tests := []struct {
name string
scParameters map[string]string
expect bool
}{
{
name: "myOption => true",
scParameters: map[string]string{optionName: "true"},
expect: true,
},
{
name: "myOption => false",
scParameters: map[string]string{optionName: "false"},
expect: false,
},
{
name: "myOption => empty",
scParameters: map[string]string{optionName: ""},
expect: defaultValue,
},
{
name: "myOption => not-parsable",
scParameters: map[string]string{optionName: "non-boolean"},
expect: defaultValue,
},
{
name: "myOption => not-set",
scParameters: map[string]string{},
expect: defaultValue,
},
}
for _, tt := range tests {
tc := tt
val := parseBoolOption(ctx, tc.scParameters, optionName, defaultValue)
if val != tc.expect {
t.Errorf("parseBoolOption(%v) returned: %t, expected: %t",
tc.scParameters, val, tc.expect)
}
}
}
func TestNodeServer_appendReadAffinityMapOptions(t *testing.T) {
t.Parallel()
type input struct {
mapOptions, readAffinityMapOptions, mounter string
}
tests := []struct {
name string
args input
want string
}{
{
name: "both empty mapOptions and crushLocationMap",
args: input{
mapOptions: "",
readAffinityMapOptions: "",
mounter: rbdDefaultMounter,
},
want: "",
},
{
name: "empty mapOptions, filled crushLocationMap & default mounter",
args: input{
mapOptions: "",
readAffinityMapOptions: "read_from_replica=localize,crush_location=region:west",
mounter: rbdDefaultMounter,
},
want: "read_from_replica=localize,crush_location=region:west",
},
{
name: "empty mapOptions, filled crushLocationMap & non-default mounter",
args: input{
mapOptions: "",
readAffinityMapOptions: "read_from_replica=localize,crush_location=region:west",
mounter: rbdNbdMounter,
},
want: "",
},
{
name: "filled mapOptions, filled crushLocationMap & default mounter",
args: input{
mapOptions: "notrim",
readAffinityMapOptions: "read_from_replica=localize,crush_location=region:west",
mounter: rbdDefaultMounter,
},
want: "notrim,read_from_replica=localize,crush_location=region:west",
},
{
name: "filled mapOptions, filled crushLocationMap & non-default mounter",
args: input{
mapOptions: "notrim",
readAffinityMapOptions: "read_from_replica=localize,crush_location=region:west",
mounter: rbdNbdMounter,
},
want: "notrim",
},
{
name: "filled mapOptions, empty readAffinityMapOptions & default mounter",
args: input{
mapOptions: "notrim",
readAffinityMapOptions: "",
mounter: rbdDefaultMounter,
},
want: "notrim",
},
{
name: "filled mapOptions, empty readAffinityMapOptions & non-default mounter",
args: input{
mapOptions: "notrim",
readAffinityMapOptions: "",
mounter: rbdNbdMounter,
},
want: "notrim",
},
}
for _, tt := range tests {
currentTT := tt
t.Run(currentTT.name, func(t *testing.T) {
t.Parallel()
rv := &rbdVolume{
MapOptions: currentTT.args.mapOptions,
Mounter: currentTT.args.mounter,
}
rv.appendReadAffinityMapOptions(currentTT.args.readAffinityMapOptions)
require.Equal(t, currentTT.want, rv.MapOptions)
})
}
}
func TestReadAffinity_GetReadAffinityMapOptions(t *testing.T) {
t.Parallel()
nodeLabels := map[string]string{
"topology.kubernetes.io/zone": "east-1",
"topology.kubernetes.io/region": "east",
}
topology := map[string]string{}
csiConfig := []cephcsi.ClusterInfo{
{
ClusterID: "cluster-1",
ReadAffinity: cephcsi.ReadAffinity{
Enabled: true,
CrushLocationLabels: []string{
"topology.kubernetes.io/region",
},
},
},
{
ClusterID: "cluster-2",
ReadAffinity: cephcsi.ReadAffinity{
Enabled: false,
CrushLocationLabels: []string{
"topology.kubernetes.io/region",
},
},
},
{
ClusterID: "cluster-3",
ReadAffinity: cephcsi.ReadAffinity{
Enabled: true,
CrushLocationLabels: []string{},
},
},
{
ClusterID: "cluster-4",
},
}
csiConfigFileContent, err := json.Marshal(csiConfig)
if err != nil {
t.Errorf("failed to marshal csi config info %v", err)
}
tmpConfPath := util.CsiConfigFile
err = os.Mkdir("/etc/ceph-csi-config", 0o600)
if err != nil {
t.Errorf("failed to create directory %s: %v", "/etc/ceph-csi-config", err)
}
err = os.WriteFile(tmpConfPath, csiConfigFileContent, 0o600)
if err != nil {
t.Errorf("failed to write %s file content: %v", util.CsiConfigFile, err)
}
tests := []struct {
name string
clusterID string
CLICrushLocationLabels string
want string
}{
{
name: "Enabled in cluster-1 and Enabled in CLI",
clusterID: "cluster-1",
CLICrushLocationLabels: "topology.kubernetes.io/region",
want: "read_from_replica=localize,crush_location=region:east",
},
{
name: "Disabled in cluster-2 and Enabled in CLI",
clusterID: "cluster-2",
CLICrushLocationLabels: "topology.kubernetes.io/zone",
want: "",
},
{
name: "Enabled in cluster-3 with empty crush labels and Enabled in CLI",
clusterID: "cluster-3",
CLICrushLocationLabels: "topology.kubernetes.io/zone",
want: "read_from_replica=localize,crush_location=zone:east-1",
},
{
name: "Enabled in cluster-3 with empty crush labels and Disabled in CLI",
clusterID: "cluster-3",
CLICrushLocationLabels: "",
want: "",
},
{
name: "Absent in cluster-4 and Enabled in CLI",
clusterID: "cluster-4",
CLICrushLocationLabels: "topology.kubernetes.io/zone",
want: "",
},
}
for _, tt := range tests {
tc := tt
t.Run(tc.name, func(t *testing.T) {
t.Parallel()
crushLocationMap := util.GetCrushLocationMap(tc.CLICrushLocationLabels, nodeLabels)
cliReadAffinityMapOptions := util.ConstructReadAffinityMapOption(crushLocationMap)
driver := &csicommon.CSIDriver{}
ns := &NodeServer{
DefaultNodeServer: csicommon.NewDefaultNodeServer(
driver, "rbd", cliReadAffinityMapOptions, topology, nodeLabels,
),
}
readAffinityMapOptions, err := util.GetReadAffinityMapOptions(
tmpConfPath, tc.clusterID, ns.CLIReadAffinityOptions, nodeLabels,
)
if err != nil {
require.Fail(t, err.Error())
}
require.Equal(t, tc.want, readAffinityMapOptions)
})
}
}