-
Notifications
You must be signed in to change notification settings - Fork 52
/
backend.go
123 lines (105 loc) · 4.38 KB
/
backend.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
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
// Copyright 2019 HAProxy Technologies
//
// 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 configuration
import (
"fmt"
strfmt "github.com/go-openapi/strfmt"
parser "github.com/haproxytech/config-parser/v5"
"github.com/haproxytech/client-native/v5/models"
)
type Backend interface {
GetBackends(transactionID string) (int64, models.Backends, error)
GetBackend(name string, transactionID string) (int64, *models.Backend, error)
DeleteBackend(name string, transactionID string, version int64) error
CreateBackend(data *models.Backend, transactionID string, version int64) error
EditBackend(name string, data *models.Backend, transactionID string, version int64) error
GetBackendSwitchingRules(frontend string, transactionID string) (int64, models.BackendSwitchingRules, error)
GetBackendSwitchingRule(id int64, frontend string, transactionID string) (int64, *models.BackendSwitchingRule, error)
DeleteBackendSwitchingRule(id int64, frontend string, transactionID string, version int64) error
CreateBackendSwitchingRule(frontend string, data *models.BackendSwitchingRule, transactionID string, version int64) error
EditBackendSwitchingRule(id int64, frontend string, data *models.BackendSwitchingRule, transactionID string, version int64) error
}
// GetBackends returns configuration version and an array of
// configured backends. Returns error on fail.
func (c *client) GetBackends(transactionID string) (int64, models.Backends, error) {
p, err := c.GetParser(transactionID)
if err != nil {
return 0, nil, err
}
v, err := c.GetVersion(transactionID)
if err != nil {
return 0, nil, err
}
bNames, err := p.SectionsGet(parser.Backends)
if err != nil {
return v, nil, err
}
backends := []*models.Backend{}
for _, name := range bNames {
b := &models.Backend{Name: name}
if err := ParseSection(b, parser.Backends, name, p); err != nil {
continue
}
backends = append(backends, b)
}
return v, backends, nil
}
// GetBackend returns configuration version and a requested backend.
// Returns error on fail or if backend does not exist.
func (c *client) GetBackend(name string, transactionID string) (int64, *models.Backend, error) {
p, err := c.GetParser(transactionID)
if err != nil {
return 0, nil, err
}
v, err := c.GetVersion(transactionID)
if err != nil {
return 0, nil, err
}
if !c.checkSectionExists(parser.Backends, name, p) {
return v, nil, NewConfError(ErrObjectDoesNotExist, fmt.Sprintf("Backend %s does not exist", name))
}
backend := &models.Backend{Name: name}
if err := ParseSection(backend, parser.Backends, name, p); err != nil {
return v, nil, err
}
return v, backend, nil
}
// DeleteBackend deletes a backend in configuration. One of version or transactionID is
// mandatory. Returns error on fail, nil on success.
func (c *client) DeleteBackend(name string, transactionID string, version int64) error {
return c.deleteSection(parser.Backends, name, transactionID, version)
}
// CreateBackend creates a backend in configuration. One of version or transactionID is
// mandatory. Returns error on fail, nil on success.
func (c *client) CreateBackend(data *models.Backend, transactionID string, version int64) error {
if c.UseModelsValidation {
validationErr := data.Validate(strfmt.Default)
if validationErr != nil {
return NewConfError(ErrValidationError, validationErr.Error())
}
}
return c.createSection(parser.Backends, data.Name, data, transactionID, version)
}
// EditBackend edits a backend in configuration. One of version or transactionID is
// mandatory. Returns error on fail, nil on success.
func (c *client) EditBackend(name string, data *models.Backend, transactionID string, version int64) error {
if c.UseModelsValidation {
validationErr := data.Validate(strfmt.Default)
if validationErr != nil {
return NewConfError(ErrValidationError, validationErr.Error())
}
}
return c.editSection(parser.Backends, name, data, transactionID, version)
}