Files
my-rook-config/pkg/operator/ceph/pool/status.go
T
Sébastien Han 451622a955 ceph: add rbd-mirror configuration
Rook is now capable of configuring mirroring between sites. The
implementation works at different levels:

* CephBlockPool: which introduces a new `mirroring` configuration as well
as `statusCheck`. When turned on, Rook will enable mirroring on the
pool. It will also create a bootstrap peer token and store it in a
Kubernetes Secret. The name of that Secret can be found in the Status
field of the CephBlockPool CRD. This token can be fetched and used by
other clusters to configure the site as a peer. Mirroring can be
configured either at the pool or the image level.

* CephRBDMirror: which introduces a new `peers` configuration allowing
Rook to connect to peers by passing a Secret name. The administrator will
create a Kubernetes Secret with 2 keys: 'token' for the bootstrap peer
token and 'pool' for the name of pool. Once detected the rbd-mirror
controller will go ahead and import the peer configuration.

Pool mirroring status example:

```
status:
  info:
    rbdMirrorBootstrapPeerSecretName: pool-peer-token-test
  mirroringInfo:
    lastChanged: "2020-09-17T14:47:27Z"
    lastChecked: "2020-09-17T14:48:27Z"
    summary:
      summary:
        mode: image
        peers:
        - client_name: client.rbd-mirror-peer
          direction: rx-tx
          mirror_uuid: ""
          site_name: rhcs
          uuid: c50522a4-28a4-4bd3-ba68-e11780308882
        site_name: 91eae0dd-06b1-4d2c-91f3-1311c9df382b-rook-ceph
  mirroringStatus:
    lastChecked: "2020-09-17T14:48:27Z"
    summary:
      summary:
        daemon_health: OK
        health: OK
        image_health: OK
        states:
          replaying: 1
```

Signed-off-by: Sébastien Han <seb@redhat.com>
2020-09-17 19:05:04 +02:00

118 lines
4.4 KiB
Go

/*
Copyright 2020 The Rook Authors. All rights reserved.
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 pool to manage a rook pool.
package pool
import (
"context"
"time"
cephv1 "github.com/rook/rook/pkg/apis/ceph.rook.io/v1"
cephclient "github.com/rook/rook/pkg/daemon/ceph/client"
opcontroller "github.com/rook/rook/pkg/operator/ceph/controller"
kerrors "k8s.io/apimachinery/pkg/api/errors"
"k8s.io/apimachinery/pkg/types"
"sigs.k8s.io/controller-runtime/pkg/client"
)
// updateStatus updates a pool CR with the given status
func updateStatus(client client.Client, poolName types.NamespacedName, status cephv1.ConditionType, info map[string]string) {
pool := &cephv1.CephBlockPool{}
err := client.Get(context.TODO(), poolName, pool)
if err != nil {
if kerrors.IsNotFound(err) {
logger.Debug("CephBlockPool resource not found. Ignoring since object must be deleted.")
return
}
logger.Warningf("failed to retrieve pool %q to update status to %q. %v", poolName, status, err)
return
}
if pool.Status == nil {
pool.Status = &cephv1.CephBlockPoolStatus{}
}
pool.Status.Phase = status
pool.Status.Info = info
if err := opcontroller.UpdateStatus(client, pool); err != nil {
logger.Warningf("failed to set pool %q status to %q. %v", pool.Name, status, err)
return
}
logger.Debugf("pool %q status updated to %q", poolName, status)
}
// updateStatusBucket updates an object with a given status
func (c *mirrorChecker) updateStatusMirroring(mirrorStatus *cephclient.PoolMirroringStatus, mirrorInfo *cephclient.PoolMirroringInfo, details string) {
blockPool := &cephv1.CephBlockPool{}
if err := c.client.Get(context.TODO(), c.namespacedName, blockPool); err != nil {
if kerrors.IsNotFound(err) {
logger.Debug("CephBlockPool resource not found. Ignoring since object must be deleted.")
return
}
logger.Warningf("failed to retrieve ceph block pool %q to update mirroring status. %v", c.namespacedName.Name, err)
return
}
if blockPool.Status == nil {
blockPool.Status = &cephv1.CephBlockPoolStatus{}
}
blockPool.Status.MirroringStatus, blockPool.Status.MirroringInfo = toCustomResourceStatus(blockPool.Status.MirroringStatus, mirrorStatus, blockPool.Status.MirroringInfo, mirrorInfo, details)
if err := opcontroller.UpdateStatus(c.client, blockPool); err != nil {
logger.Errorf("failed to set ceph block pool %q mirroring status. %v", c.namespacedName.Name, err)
return
}
logger.Debugf("ceph block pool %q mirroring status updated", c.namespacedName.Name)
}
func toCustomResourceStatus(currentStatus *cephv1.MirroringStatusSpec, mirroringStatus *cephclient.PoolMirroringStatus, currentInfo *cephv1.MirroringInfoSpec, mirroringInfo *cephclient.PoolMirroringInfo, details string) (*cephv1.MirroringStatusSpec, *cephv1.MirroringInfoSpec) {
mirroringStatusSpec := &cephv1.MirroringStatusSpec{}
mirroringInfoSpec := &cephv1.MirroringInfoSpec{}
// mirroringStatus will be nil in case of an error to fetch it
if mirroringStatus != nil {
if mirroringStatusSpec.Summary == nil {
mirroringStatusSpec.Summary = make(map[string]interface{})
}
mirroringStatusSpec.LastChecked = time.Now().UTC().Format(time.RFC3339)
mirroringStatusSpec.Summary["summary"] = mirroringStatus.Summary
}
// Always display the details, typically an error
mirroringStatusSpec.Details = details
if currentStatus != nil {
mirroringStatusSpec.LastChanged = currentStatus.LastChanged
}
// mirroringInfo will be nil in case of an error to fetch it
if mirroringInfo != nil {
if mirroringInfoSpec.Summary == nil {
mirroringInfoSpec.Summary = make(map[string]interface{})
}
mirroringInfoSpec.LastChecked = time.Now().UTC().Format(time.RFC3339)
mirroringInfoSpec.Summary["summary"] = mirroringInfo
}
// Always display the details, typically an error
mirroringInfoSpec.Details = details
if currentInfo != nil {
mirroringInfoSpec.LastChanged = currentInfo.LastChecked
}
return mirroringStatusSpec, mirroringInfoSpec
}