-
Notifications
You must be signed in to change notification settings - Fork 113
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
feat(upgrade): add pre-upgrade tasks for 0.4.1 to 0.4.2 (#303)
* fix node hostname label * refactor the upgrade package. * add pre-upgrade steps for 0.4.1 to 0.4.2 Signed-off-by: Akhil Mohan <[email protected]>
- Loading branch information
Showing
4 changed files
with
132 additions
and
19 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,107 @@ | ||
| /* | ||
| Copyright 2019 The OpenEBS 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 v041_042 | ||
|
|
||
| import ( | ||
| "context" | ||
| apis "github.com/openebs/node-disk-manager/pkg/apis/openebs/v1alpha1" | ||
| "sigs.k8s.io/controller-runtime/pkg/client" | ||
| ) | ||
|
|
||
| // UpgradeTask is the struct which implements the Task interface | ||
| // which can be used to perform the upgrade | ||
| type UpgradeTask struct { | ||
| from string | ||
| to string | ||
| client client.Client | ||
| err error | ||
| } | ||
|
|
||
| // NewUpgradeTask creates a new upgrade task with given client | ||
| // and specified `from` and `to` version | ||
| func NewUpgradeTask(from, to string, c client.Client) *UpgradeTask { | ||
| return &UpgradeTask{from: from, to: to, client: c} | ||
| } | ||
|
|
||
| // FromVersion returns the version from which the components need to be updated | ||
| func (p *UpgradeTask) FromVersion() string { | ||
| return p.from | ||
| } | ||
|
|
||
| // ToVersion returns the version to which components will be updated. This should be | ||
| // the current version | ||
| func (p *UpgradeTask) ToVersion() string { | ||
| return p.to | ||
| } | ||
|
|
||
| // PreUpgrade runs the preupgrade tasks and returns whether it succeeded or not | ||
| func (p *UpgradeTask) PreUpgrade() bool { | ||
| var err error | ||
| bdcList := &apis.BlockDeviceClaimList{} | ||
| opts := &client.ListOptions{} | ||
| err = p.client.List(context.TODO(), opts, bdcList) | ||
| if err != nil { | ||
| p.err = err | ||
| return false | ||
| } | ||
|
|
||
| for _, bdc := range bdcList.Items { | ||
| err = p.copyHostName(&bdc) | ||
| if err != nil { | ||
| p.err = err | ||
| return false | ||
| } | ||
| } | ||
| return true | ||
| } | ||
|
|
||
| // Upgrade runs the main upgrade tasks and returns whether it succeeded or not | ||
| func (p *UpgradeTask) Upgrade() bool { | ||
| if p.err != nil { | ||
| return false | ||
| } | ||
| return true | ||
| } | ||
|
|
||
| // PostUpgrade runs the tasks that need to be performed after upgrade and returns | ||
| // whether the tasks where success or not | ||
| func (p *UpgradeTask) PostUpgrade() bool { | ||
| if p.err != nil { | ||
| return false | ||
| } | ||
| return true | ||
| } | ||
|
|
||
| // IsSuccess returns error if the upgrade failed, at any step. Else nil will | ||
| // be returned | ||
| func (p *UpgradeTask) IsSuccess() error { | ||
| return p.err | ||
| } | ||
|
|
||
| // copyHostName will copy the hostname string from .spec.hostName to | ||
| // .spec.nodeAttributes.hostName | ||
| func (p *UpgradeTask) copyHostName(claim *apis.BlockDeviceClaim) error { | ||
| // copy the value only if .spec.hostName is non-empty and nodeAttributes.hostName | ||
| // is empty. If hostname field is empty, it is not required to copy the value, as | ||
| // it may be a new BDC. | ||
| if len(claim.Spec.HostName) != 0 && | ||
| len(claim.Spec.BlockDeviceNodeAttributes.HostName) == 0 { | ||
| claim.Spec.BlockDeviceNodeAttributes.HostName = claim.Spec.HostName | ||
| return p.client.Update(context.TODO(), claim) | ||
| } | ||
| return nil | ||
| } |