/
lv.go
38 lines (35 loc) · 1.21 KB
/
lv.go
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// 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
// LogicalVolume is parsed record for LVM Logical Volume (from `lvs` output)
// Add more fields, if required
type LogicalVolume struct {
Name string `mapstructure:"LVM2_LV_NAME"`
DevicePath string `mapstructure:"LVM2_LV_DM_PATH"`
}
func (lvm *realLVM) QueryLogicalVolumes(vg string) (map[string]*LogicalVolume, error) {
result := map[string]*LogicalVolume{}
lvs, err := lvm.Query("lvs", "all", []string{vg})
if err != nil {
return nil, err
}
for _, values := range lvs {
lv := &LogicalVolume{}
if err = lvm.parse(values, lv); err != nil {
return nil, err
}
result[lv.Name] = lv
}
return result, nil
}