ceph-csi/internal/rbd/replicationcontrollerserver_test.go
Madhu Rajanna 8d7b6ee59f rbd: consider mirror deamon state for ResyncVolume
During ResyncVolume we check if the image
is in an error state, and we resync.
After resync, the image will move to
either the `Error` or the `Resyncing` state.
And if the image is in the above two
conditions, we will return a successful
response and Ready=false so that the
consumer can wait until the volume is
ready to use. If the image is in any
other state we return an error message
to indicate the syncing is not going on.
The whole resync and image state change
depends on the rbd mirror daemon. If the
mirror daemon is not running, the image
can be in Resyncing or Unknown state.
The Ramen marks the volume replication as
secondary, and once the resync starts, it
will delete the volume replication CR as a
cleanup process.

As we dont have a check for the rbd mirror
daemon, we are returning a resync success
response and Ready=false. Due to this false
response Ramen is assuming the resync started
and deleted the volume replication CR, and
because of this, the cluster goes into a bad
state and needs manual intervention.

fixes #3289

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
2022-08-08 13:26:15 +00:00

298 lines
6.5 KiB
Go

/*
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 (
"context"
"reflect"
"testing"
librbd "github.com/ceph/go-ceph/rbd"
"github.com/ceph/go-ceph/rbd/admin"
)
func TestValidateSchedulingInterval(t *testing.T) {
t.Parallel()
tests := []struct {
name string
interval string
wantErr bool
}{
{
"valid interval in minutes",
"3m",
false,
},
{
"valid interval in hour",
"22h",
false,
},
{
"valid interval in days",
"13d",
false,
},
{
"invalid interval without number",
"d",
true,
},
{
"invalid interval without (m|h|d) suffix",
"12",
true,
},
}
for _, tt := range tests {
tt := tt
t.Run(tt.name, func(t *testing.T) {
t.Parallel()
err := validateSchedulingInterval(tt.interval)
if (err != nil) != tt.wantErr {
t.Errorf("validateSchedulingInterval() error = %v, wantErr %v", err, tt.wantErr)
return
}
})
}
}
func TestValidateSchedulingDetails(t *testing.T) {
t.Parallel()
ctx := context.TODO()
tests := []struct {
name string
parameters map[string]string
wantErr bool
}{
{
"valid parameters",
map[string]string{
imageMirroringKey: string(imageMirrorModeSnapshot),
schedulingIntervalKey: "1h",
schedulingStartTimeKey: "14:00:00-05:00",
},
false,
},
{
"valid parameters when optional startTime is missing",
map[string]string{
imageMirroringKey: string(imageMirrorModeSnapshot),
schedulingIntervalKey: "1h",
},
false,
},
{
"when mirroring mode is journal",
map[string]string{
imageMirroringKey: string(imageMirrorModeJournal),
schedulingIntervalKey: "1h",
},
false,
},
{
"when startTime is specified without interval",
map[string]string{
imageMirroringKey: string(imageMirrorModeSnapshot),
schedulingStartTimeKey: "14:00:00-05:00",
},
true,
},
{
"when no scheduling is specified",
map[string]string{
imageMirroringKey: string(imageMirrorModeSnapshot),
},
false,
},
{
"when no parameters and scheduling details are specified",
map[string]string{},
false,
},
{
"when no mirroring mode is specified",
map[string]string{
schedulingIntervalKey: "1h",
schedulingStartTimeKey: "14:00:00-05:00",
},
false,
},
}
for _, tt := range tests {
tt := tt
t.Run(tt.name, func(t *testing.T) {
t.Parallel()
err := validateSchedulingDetails(ctx, tt.parameters)
if (err != nil) != tt.wantErr {
t.Errorf("getSchedulingDetails() error = %v, wantErr %v", err, tt.wantErr)
return
}
})
}
}
func TestGetSchedulingDetails(t *testing.T) {
t.Parallel()
tests := []struct {
name string
parameters map[string]string
wantInterval admin.Interval
wantStartTime admin.StartTime
}{
{
"valid parameters",
map[string]string{
schedulingIntervalKey: "1h",
schedulingStartTimeKey: "14:00:00-05:00",
},
admin.Interval("1h"),
admin.StartTime("14:00:00-05:00"),
},
{
"valid parameters when optional startTime is missing",
map[string]string{
imageMirroringKey: string(imageMirrorModeSnapshot),
schedulingIntervalKey: "1h",
},
admin.Interval("1h"),
admin.NoStartTime,
},
{
"when startTime is specified without interval",
map[string]string{
imageMirroringKey: string(imageMirrorModeSnapshot),
schedulingStartTimeKey: "14:00:00-05:00",
},
admin.NoInterval,
admin.StartTime("14:00:00-05:00"),
},
{
"when no parameters and scheduling details are specified",
map[string]string{},
admin.NoInterval,
admin.NoStartTime,
},
}
for _, tt := range tests {
tt := tt
t.Run(tt.name, func(t *testing.T) {
t.Parallel()
interval, startTime := getSchedulingDetails(tt.parameters)
if !reflect.DeepEqual(interval, tt.wantInterval) {
t.Errorf("getSchedulingDetails() interval = %v, want %v", interval, tt.wantInterval)
}
if !reflect.DeepEqual(startTime, tt.wantStartTime) {
t.Errorf("getSchedulingDetails() startTime = %v, want %v", startTime, tt.wantStartTime)
}
})
}
}
func TestCheckVolumeResyncStatus(t *testing.T) {
t.Parallel()
tests := []struct {
name string
args librbd.SiteMirrorImageStatus
wantErr bool
}{
{
name: "test when rbd mirror daemon is not running",
args: librbd.SiteMirrorImageStatus{
State: librbd.MirrorImageStatusStateUnknown,
Up: false,
},
wantErr: true,
},
{
name: "test for unknown state",
args: librbd.SiteMirrorImageStatus{
State: librbd.MirrorImageStatusStateUnknown,
Up: true,
},
wantErr: false,
},
{
name: "test for error state",
args: librbd.SiteMirrorImageStatus{
State: librbd.MirrorImageStatusStateError,
Up: true,
},
wantErr: true,
},
{
name: "test for syncing state",
args: librbd.SiteMirrorImageStatus{
State: librbd.MirrorImageStatusStateSyncing,
Up: true,
},
wantErr: true,
},
{
name: "test for starting_replay state",
args: librbd.SiteMirrorImageStatus{
State: librbd.MirrorImageStatusStateStartingReplay,
Up: true,
},
wantErr: true,
},
{
name: "test for replaying state",
args: librbd.SiteMirrorImageStatus{
State: librbd.MirrorImageStatusStateReplaying,
Up: true,
},
wantErr: false,
},
{
name: "test for stopping_replay state",
args: librbd.SiteMirrorImageStatus{
State: librbd.MirrorImageStatusStateStoppingReplay,
Up: true,
},
wantErr: true,
},
{
name: "test for stopped state",
args: librbd.SiteMirrorImageStatus{
State: librbd.MirrorImageStatusStateStopped,
Up: true,
},
wantErr: true,
},
{
name: "test for invalid state",
args: librbd.SiteMirrorImageStatus{
State: librbd.MirrorImageStatusState(100),
Up: true,
},
wantErr: true,
},
}
for _, tt := range tests {
ts := tt
t.Run(ts.name, func(t *testing.T) {
t.Parallel()
if err := checkVolumeResyncStatus(ts.args); (err != nil) != ts.wantErr {
t.Errorf("checkVolumeResyncStatus() error = %v, expect error = %v", err, ts.wantErr)
}
})
}
}