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ceph-csi/pkg/util/volid_test.go
ShyamsundarR b9cd0e18ad Make CephFS plugin stateless reusing RADOS based journal scheme
This is a part of the stateless set of commits for CephCSI.

This commit removes the dependency on config maps to store cephFS provisioned
volumes, and instead relies on RADOS based objects and keys, and required
CSI VolumeID encoding to detect the provisioned volumes.

Changes:
- Provide backward compatibility to provisioned volumes by older plugin versions (1.0.0 or older)
- Remove Create/Delete support for statically provisioned volumes (fixes )
- Added namespace support to RADOS OMaps and used the same to store RADOS CSI objects and keys in the CephFS metadata pool
- Added support to mention fsname for CephFS provisioning (fixes )
- Changed field name in CSI Identifier to 'location', to denote a pool or fscid
- Updated mounter cache to use new scheme
- Required Helm manifests are updated
- Required documentation and other manifests are updated
- Made driver option 'metadatastorage' as optional, as fresh installs do not need to specify the same

Testing done:
- Create/Mount/Delete PVC
- Create/Delete 5 PVCs
- Mount version 1.0.0 PVC
- Delete version 1.0.0 PV
- Mount Statically defined PV/PVC/Pod
- Mount Statically defined version 1.0.0 PV/PVC/Pod
- Delete Statically defined version 1.0.0 PV/PVC/Pod
- Node restart when mounted to test mountcache
- Use InstanceID other than 'default'
- RBD basic round of tests, as namespace is added to OMaps
- csitest against ceph-fs plugin
  - NOTE: CephFS plugin still does not detect and address already created
  volumes but of a different size
- Test not providing any value to the metadata storage parameter

Signed-off-by: ShyamsundarR <srangana@redhat.com>
2019-05-30 06:20:35 -04:00

96 lines
2.4 KiB
Go

/*
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 (
"testing"
)
type testTuple struct {
vID CSIIdentifier
composedVolID string
wantEnc bool
wantEncError bool
wantDec bool
wantDecError bool
}
// TODO: Add more test tuples to test out other edge conditions
var testData = []testTuple{
{
vID: CSIIdentifier{
LocationID: 0xffff,
EncodingVersion: 0xffff,
ClusterID: "01616094-9d93-4178-bf45-c7eac19e8b15",
ObjectUUID: "00000000-1111-2222-bbbb-cacacacacaca",
},
composedVolID: "ffff-0024-01616094-9d93-4178-bf45-c7eac19e8b15-000000000000ffff-00000000-1111-2222-bbbb-cacacacacaca",
wantEnc: true,
wantEncError: false,
wantDec: true,
wantDecError: false,
},
}
func TestComposeDecomposeID(t *testing.T) {
var (
err error
viDecompose CSIIdentifier
composedVolID string
)
for _, test := range testData {
if test.wantEnc {
composedVolID, err = test.vID.ComposeCSIID()
if err != nil && !test.wantEncError {
t.Errorf("Composing failed: want (%#v), got (%#v %#v)",
test, composedVolID, err)
}
if err == nil && test.wantEncError {
t.Errorf("Composing failed: want (%#v), got (%#v %#v)",
test, composedVolID, err)
}
if !test.wantEncError && err == nil && composedVolID != test.composedVolID {
t.Errorf("Composing failed: want (%#v), got (%#v %#v)",
test, composedVolID, err)
}
}
if test.wantDec {
err = viDecompose.DecomposeCSIID(test.composedVolID)
if err != nil && !test.wantDecError {
t.Errorf("Decomposing failed: want (%#v), got (%#v %#v)",
test, viDecompose, err)
}
if err == nil && test.wantDecError {
t.Errorf("Decomposing failed: want (%#v), got (%#v %#v)",
test, viDecompose, err)
}
if !test.wantDecError && err == nil && viDecompose != test.vID {
t.Errorf("Decomposing failed: want (%#v), got (%#v %#v)",
test, viDecompose, err)
}
}
}
}