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// Copyright 2015 The appc 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 types
import (
"errors"
"fmt"
"net/url"
"strconv"
"github.com/appc/spec/schema/common"
)
type MountPoint struct {
Name ACName `json:"name"`
Path string `json:"path"`
ReadOnly bool `json:"readOnly,omitempty"`
}
func (mount MountPoint) assertValid() error {
if mount.Name.Empty() {
return errors.New("name must be set")
}
if len(mount.Path) == 0 {
return errors.New("path must be set")
}
return nil
}
// MountPointFromString takes a command line mountpoint parameter and returns a mountpoint
//
// It is useful for actool patch-manifest --mounts
//
// Example mountpoint parameters:
// database,path=/tmp,readOnly=true
func MountPointFromString(mp string) (*MountPoint, error) {
var mount MountPoint
mp = "name=" + mp
mpQuery, err := common.MakeQueryString(mp)
if err != nil {
return nil, err
}
v, err := url.ParseQuery(mpQuery)
if err != nil {
return nil, err
}
for key, val := range v {
if len(val) > 1 {
return nil, fmt.Errorf("label %s with multiple values %q", key, val)
}
switch key {
case "name":
acn, err := NewACName(val[0])
if err != nil {
return nil, err
}
mount.Name = *acn
case "path":
mount.Path = val[0]
case "readOnly":
ro, err := strconv.ParseBool(val[0])
if err != nil {
return nil, err
}
mount.ReadOnly = ro
default:
return nil, fmt.Errorf("unknown mountpoint parameter %q", key)
}
}
err = mount.assertValid()
if err != nil {
return nil, err
}
return &mount, nil
}
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