resource/lvm/lowlevel/vg.go
// Copyright © 2016 Asteris, LLC
//
// 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 lowlevel
// VolumeGroup is parsed record for LVM Volume Groups (from `vgs` output)
// Add more fields, if required
// (at the moment we need only LVM2_VG_NAME to get list all existing groups)
type VolumeGroup struct {
Name string `mapstructure:"LVM2_VG_NAME"`
}
func (lvm *realLVM) QueryVolumeGroups() (map[string]*VolumeGroup, error) {
result := map[string]*VolumeGroup{}
vgs, err := lvm.Query("vgs", "all", []string{})
if err != nil {
return nil, err
}
for _, values := range vgs {
vg := &VolumeGroup{}
if err = lvm.parse(values, vg); err != nil {
return nil, err
}
result[vg.Name] = vg
}
return result, nil
}