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ceph-csi/internal/util/csiconfig_test.go

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/*
Copyright 2019 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 util
import (
"encoding/json"
"os"
"testing"
)
var (
basePath = "./test_artifacts"
csiClusters = "csi-clusters.json"
pathToConfig = basePath + "/" + csiClusters
clusterID1 = "test1"
clusterID2 = "test2"
)
func cleanupTestData() {
os.RemoveAll(basePath)
}
func TestCSIConfig(t *testing.T) {
t.Parallel()
var err error
var data string
var content string
defer cleanupTestData()
err = os.MkdirAll(basePath, 0o700)
if err != nil {
t.Errorf("Test setup error %s", err)
}
// TEST: Should fail as clusterid file is missing
_, err = Mons(pathToConfig, clusterID1)
if err == nil {
t.Errorf("Failed: expected error due to missing config")
}
data = ""
err = os.WriteFile(basePath+"/"+csiClusters, []byte(data), 0o600)
if err != nil {
t.Errorf("Test setup error %s", err)
}
// TEST: Should fail as file is empty
content, err = Mons(pathToConfig, clusterID1)
if err == nil {
t.Errorf("Failed: want (%s), got (%s)", data, content)
}
data = "[{\"clusterIDBad\":\"" + clusterID2 + "\",\"monitors\":[\"mon1\",\"mon2\",\"mon3\"]}]"
err = os.WriteFile(basePath+"/"+csiClusters, []byte(data), 0o600)
if err != nil {
t.Errorf("Test setup error %s", err)
}
// TEST: Should fail as clusterID data is malformed
content, err = Mons(pathToConfig, clusterID2)
if err == nil {
t.Errorf("Failed: want (%s), got (%s)", data, content)
}
data = "[{\"clusterID\":\"" + clusterID2 + "\",\"monitorsBad\":[\"mon1\",\"mon2\",\"mon3\"]}]"
err = os.WriteFile(basePath+"/"+csiClusters, []byte(data), 0o600)
if err != nil {
t.Errorf("Test setup error %s", err)
}
// TEST: Should fail as monitors key is incorrect/missing
content, err = Mons(pathToConfig, clusterID2)
if err == nil {
t.Errorf("Failed: want (%s), got (%s)", data, content)
}
data = "[{\"clusterID\":\"" + clusterID2 + "\",\"monitors\":[\"mon1\",2,\"mon3\"]}]"
err = os.WriteFile(basePath+"/"+csiClusters, []byte(data), 0o600)
if err != nil {
t.Errorf("Test setup error %s", err)
}
// TEST: Should fail as monitor data is malformed
content, err = Mons(pathToConfig, clusterID2)
if err == nil {
t.Errorf("Failed: want (%s), got (%s)", data, content)
}
data = "[{\"clusterID\":\"" + clusterID2 + "\",\"monitors\":[\"mon1\",\"mon2\",\"mon3\"]}]"
err = os.WriteFile(basePath+"/"+csiClusters, []byte(data), 0o600)
if err != nil {
t.Errorf("Test setup error %s", err)
}
// TEST: Should fail as clusterID is not present in config
content, err = Mons(pathToConfig, clusterID1)
if err == nil {
t.Errorf("Failed: want (%s), got (%s)", data, content)
}
// TEST: Should pass as clusterID is present in config
content, err = Mons(pathToConfig, clusterID2)
if err != nil || content != "mon1,mon2,mon3" {
t.Errorf("Failed: want (%s), got (%s) (%v)", "mon1,mon2,mon3", content, err)
}
data = "[{\"clusterID\":\"" + clusterID2 + "\",\"monitors\":[\"mon1\",\"mon2\",\"mon3\"]}," +
"{\"clusterID\":\"" + clusterID1 + "\",\"monitors\":[\"mon4\",\"mon5\",\"mon6\"]}]"
err = os.WriteFile(basePath+"/"+csiClusters, []byte(data), 0o600)
if err != nil {
t.Errorf("Test setup error %s", err)
}
// TEST: Should pass as clusterID is present in config
content, err = Mons(pathToConfig, clusterID1)
if err != nil || content != "mon4,mon5,mon6" {
t.Errorf("Failed: want (%s), got (%s) (%v)", "mon4,mon5,mon6", content, err)
}
data = "[{\"clusterID\":\"" + clusterID2 + "\",\"monitors\":[\"mon1\",\"mon2\",\"mon3\"]}," +
"{\"clusterID\":\"" + clusterID1 + "\",\"monitors\":[\"mon4\",\"mon5\",\"mon6\"]}]"
err = os.WriteFile(basePath+"/"+csiClusters, []byte(data), 0o600)
if err != nil {
t.Errorf("Test setup error %s", err)
}
}
func TestGetRBDNetNamespaceFilePath(t *testing.T) {
t.Parallel()
tests := []struct {
name string
clusterID string
want string
}{
{
name: "get RBD NetNamespaceFilePath for cluster-1",
clusterID: "cluster-1",
want: "/var/lib/kubelet/plugins/rbd.ceph.csi.com/cluster1-net",
},
{
name: "get RBD NetNamespaceFilePath for cluster-2",
clusterID: "cluster-2",
want: "/var/lib/kubelet/plugins/rbd.ceph.csi.com/cluster2-net",
},
{
name: "when RBD NetNamespaceFilePath is empty",
clusterID: "cluster-3",
want: "",
},
}
csiConfig := []ClusterInfo{
{
ClusterID: "cluster-1",
Monitors: []string{"ip-1", "ip-2"},
RBD: struct {
NetNamespaceFilePath string `json:"netNamespaceFilePath"`
RadosNamespace string `json:"radosNamespace"`
}{
NetNamespaceFilePath: "/var/lib/kubelet/plugins/rbd.ceph.csi.com/cluster1-net",
},
},
{
ClusterID: "cluster-2",
Monitors: []string{"ip-3", "ip-4"},
RBD: struct {
NetNamespaceFilePath string `json:"netNamespaceFilePath"`
RadosNamespace string `json:"radosNamespace"`
}{
NetNamespaceFilePath: "/var/lib/kubelet/plugins/rbd.ceph.csi.com/cluster2-net",
},
},
{
ClusterID: "cluster-3",
Monitors: []string{"ip-5", "ip-6"},
},
}
csiConfigFileContent, err := json.Marshal(csiConfig)
if err != nil {
t.Errorf("failed to marshal csi config info %v", err)
}
tmpConfPath := t.TempDir() + "/ceph-csi.json"
err = os.WriteFile(tmpConfPath, csiConfigFileContent, 0o600)
if err != nil {
t.Errorf("failed to write %s file content: %v", CsiConfigFile, err)
}
for _, tt := range tests {
ts := tt
t.Run(ts.name, func(t *testing.T) {
t.Parallel()
got, err := GetRBDNetNamespaceFilePath(tmpConfPath, ts.clusterID)
if err != nil {
t.Errorf("GetRBDNetNamespaceFilePath() error = %v", err)
return
}
if got != ts.want {
t.Errorf("GetRBDNetNamespaceFilePath() = %v, want %v", got, ts.want)
}
})
}
}
func TestGetCephFSNetNamespaceFilePath(t *testing.T) {
t.Parallel()
tests := []struct {
name string
clusterID string
want string
}{
{
name: "get cephFS specific NetNamespaceFilePath for cluster-1",
clusterID: "cluster-1",
want: "/var/lib/kubelet/plugins/cephfs.ceph.csi.com/cluster1-net",
},
{
name: "get cephFS specific NetNamespaceFilePath for cluster-2",
clusterID: "cluster-2",
want: "/var/lib/kubelet/plugins/cephfs.ceph.csi.com/cluster2-net",
},
{
name: "when cephFS specific NetNamespaceFilePath is empty",
clusterID: "cluster-3",
want: "",
},
}
csiConfig := []ClusterInfo{
{
ClusterID: "cluster-1",
Monitors: []string{"ip-1", "ip-2"},
CephFS: struct {
NetNamespaceFilePath string `json:"netNamespaceFilePath"`
SubvolumeGroup string `json:"subvolumeGroup"`
}{
NetNamespaceFilePath: "/var/lib/kubelet/plugins/cephfs.ceph.csi.com/cluster1-net",
},
},
{
ClusterID: "cluster-2",
Monitors: []string{"ip-3", "ip-4"},
CephFS: struct {
NetNamespaceFilePath string `json:"netNamespaceFilePath"`
SubvolumeGroup string `json:"subvolumeGroup"`
}{
NetNamespaceFilePath: "/var/lib/kubelet/plugins/cephfs.ceph.csi.com/cluster2-net",
},
},
{
ClusterID: "cluster-3",
Monitors: []string{"ip-5", "ip-6"},
},
}
csiConfigFileContent, err := json.Marshal(csiConfig)
if err != nil {
t.Errorf("failed to marshal csi config info %v", err)
}
tmpConfPath := t.TempDir() + "/ceph-csi.json"
err = os.WriteFile(tmpConfPath, csiConfigFileContent, 0o600)
if err != nil {
t.Errorf("failed to write %s file content: %v", CsiConfigFile, err)
}
for _, tt := range tests {
ts := tt
t.Run(ts.name, func(t *testing.T) {
t.Parallel()
got, err := GetCephFSNetNamespaceFilePath(tmpConfPath, ts.clusterID)
if err != nil {
t.Errorf("GetCephFSNetNamespaceFilePath() error = %v", err)
return
}
if got != ts.want {
t.Errorf("GetCephFSNetNamespaceFilePath() = %v, want %v", got, ts.want)
}
})
}
}
func TestGetNFSNetNamespaceFilePath(t *testing.T) {
t.Parallel()
tests := []struct {
name string
clusterID string
want string
}{
{
name: "get NFS specific NetNamespaceFilePath for cluster-1",
clusterID: "cluster-1",
want: "/var/lib/kubelet/plugins/nfs.ceph.csi.com/cluster1-net",
},
{
name: "get NFS specific NetNamespaceFilePath for cluster-2",
clusterID: "cluster-2",
want: "/var/lib/kubelet/plugins/nfs.ceph.csi.com/cluster2-net",
},
{
name: "when NFS specific NetNamespaceFilePath is empty",
clusterID: "cluster-3",
want: "",
},
}
csiConfig := []ClusterInfo{
{
ClusterID: "cluster-1",
Monitors: []string{"ip-1", "ip-2"},
NFS: struct {
NetNamespaceFilePath string `json:"netNamespaceFilePath"`
}{
NetNamespaceFilePath: "/var/lib/kubelet/plugins/nfs.ceph.csi.com/cluster1-net",
},
},
{
ClusterID: "cluster-2",
Monitors: []string{"ip-3", "ip-4"},
NFS: struct {
NetNamespaceFilePath string `json:"netNamespaceFilePath"`
}{
NetNamespaceFilePath: "/var/lib/kubelet/plugins/nfs.ceph.csi.com/cluster2-net",
},
},
{
ClusterID: "cluster-3",
Monitors: []string{"ip-5", "ip-6"},
},
}
csiConfigFileContent, err := json.Marshal(csiConfig)
if err != nil {
t.Errorf("failed to marshal csi config info %v", err)
}
tmpConfPath := t.TempDir() + "/ceph-csi.json"
err = os.WriteFile(tmpConfPath, csiConfigFileContent, 0o600)
if err != nil {
t.Errorf("failed to write %s file content: %v", CsiConfigFile, err)
}
for _, tt := range tests {
ts := tt
t.Run(ts.name, func(t *testing.T) {
t.Parallel()
got, err := GetNFSNetNamespaceFilePath(tmpConfPath, ts.clusterID)
if err != nil {
t.Errorf("GetNFSNetNamespaceFilePath() error = %v", err)
return
}
if got != ts.want {
t.Errorf("GetNFSNetNamespaceFilePath() = %v, want %v", got, ts.want)
}
})
}
}