Files
my-rook-config/pkg/operator/ceph/pool/validate.go
T
ShyamsundarR de97b6a1d6 ceph: Add ability to specify compression mode for pools
This commit enables configuring a compression_mode for pools
that takes the values as specified for bluestore OSD
compression_mode values,
https://docs.ceph.com/docs/master/rados/configuration/bluestore-config-ref/#inline-compression

Signed-off-by: ShyamsundarR <srangana@redhat.com>
2020-04-01 14:24:30 -04:00

102 lines
2.7 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 (
cephclient "github.com/rook/rook/pkg/daemon/ceph/client"
"github.com/pkg/errors"
cephv1 "github.com/rook/rook/pkg/apis/ceph.rook.io/v1"
"github.com/rook/rook/pkg/clusterd"
)
// ValidatePool Validate the pool arguments
func ValidatePool(context *clusterd.Context, p *cephv1.CephBlockPool) error {
if p.Name == "" {
return errors.New("missing name")
}
if p.Namespace == "" {
return errors.New("missing namespace")
}
if err := ValidatePoolSpec(context, p.Namespace, &p.Spec); err != nil {
return err
}
return nil
}
// ValidatePoolSpec validates the Ceph block pool spec CR
func ValidatePoolSpec(context *clusterd.Context, namespace string, p *cephv1.PoolSpec) error {
if p.IsReplicated() && p.IsErasureCoded() {
return errors.New("both replication and erasure code settings cannot be specified")
}
var crush cephclient.CrushMap
var err error
if p.FailureDomain != "" || p.CrushRoot != "" {
crush, err = cephclient.GetCrushMap(context, namespace)
if err != nil {
return errors.Wrapf(err, "failed to get crush map")
}
}
// validate the failure domain if specified
if p.FailureDomain != "" {
found := false
for _, t := range crush.Types {
if t.Name == p.FailureDomain {
found = true
break
}
}
if !found {
return errors.Errorf("unrecognized failure domain %s", p.FailureDomain)
}
}
// validate the crush root if specified
if p.CrushRoot != "" {
found := false
for _, t := range crush.Buckets {
if t.Name == p.CrushRoot {
found = true
break
}
}
if !found {
return errors.Errorf("unrecognized crush root %s", p.CrushRoot)
}
}
// validate pool replica size
if p.Replicated.Size == 1 && p.Replicated.RequireSafeReplicaSize {
return errors.Errorf("error pool size is %d and requireSafeReplicaSize is %t, must be false", p.Replicated.Size, p.Replicated.RequireSafeReplicaSize)
}
// validate pool compression mode if specified
if p.CompressionMode != "" {
switch p.CompressionMode {
case "none", "passive", "aggressive", "force":
break
default:
return errors.Errorf("unrecognized compression mode %q", p.CompressionMode)
}
}
return nil
}