forked from containers/build
/
port.go
100 lines (90 loc) · 2.51 KB
/
port.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
// 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 lib
import (
"github.com/appc/acbuild/util"
"github.com/appc/spec/schema"
"github.com/appc/spec/schema/types"
)
func removePort(name types.ACName) func(*schema.ImageManifest) error {
return func(s *schema.ImageManifest) error {
if s.App == nil {
return ErrNotFound
}
foundOne := false
for i := len(s.App.Ports) - 1; i >= 0; i-- {
if s.App.Ports[i].Name == name {
foundOne = true
s.App.Ports = append(
s.App.Ports[:i],
s.App.Ports[i+1:]...)
}
}
if !foundOne {
return ErrNotFound
}
return nil
}
}
// AddPort will add a port with the given name, protocol, port, and count to
// the untarred ACI stored at a.CurrentACIPath. If the port already exists its
// value will be updated to the new value. socketActivated signifies whether or
// not the application will be socket activated via this port.
func (a *ACBuild) AddPort(name, protocol string, port, count uint, socketActivated bool) (err error) {
if err = a.lock(); err != nil {
return err
}
defer func() {
if err1 := a.unlock(); err == nil {
err = err1
}
}()
acn, err := types.NewACName(name)
if err != nil {
return err
}
fn := func(s *schema.ImageManifest) error {
if s.App == nil {
s.App = newManifestApp()
}
removePort(*acn)(s)
s.App.Ports = append(s.App.Ports,
types.Port{
Name: *acn,
Protocol: protocol,
Port: port,
Count: count,
SocketActivated: socketActivated,
})
return nil
}
return util.ModifyManifest(fn, a.CurrentACIPath)
}
// RemovePort will remove the port with the given name from the untarred ACI
// stored at a.CurrentACIPath.
func (a *ACBuild) RemovePort(name string) (err error) {
if err = a.lock(); err != nil {
return err
}
defer func() {
if err1 := a.unlock(); err == nil {
err = err1
}
}()
acn, err := types.NewACName(name)
if err != nil {
return err
}
return util.ModifyManifest(removePort(*acn), a.CurrentACIPath)
}