forked from go-acme/lego
-
Notifications
You must be signed in to change notification settings - Fork 0
/
conoha.go
164 lines (135 loc) · 4.65 KB
/
conoha.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
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
// Package conoha implements a DNS provider for solving the DNS-01 challenge using ConoHa DNS.
package conoha
import (
"errors"
"fmt"
"net/http"
"time"
"github.com/simonmittag/lego/v4/challenge/dns01"
"github.com/simonmittag/lego/v4/platform/config/env"
"github.com/simonmittag/lego/v4/providers/dns/conoha/internal"
)
// Environment variables names.
const (
envNamespace = "CONOHA_"
EnvRegion = envNamespace + "REGION"
EnvTenantID = envNamespace + "TENANT_ID"
EnvAPIUsername = envNamespace + "API_USERNAME"
EnvAPIPassword = envNamespace + "API_PASSWORD"
EnvTTL = envNamespace + "TTL"
EnvPropagationTimeout = envNamespace + "PROPAGATION_TIMEOUT"
EnvPollingInterval = envNamespace + "POLLING_INTERVAL"
EnvHTTPTimeout = envNamespace + "HTTP_TIMEOUT"
)
// Config is used to configure the creation of the DNSProvider.
type Config struct {
Region string
TenantID string
Username string
Password string
TTL int
PropagationTimeout time.Duration
PollingInterval time.Duration
HTTPClient *http.Client
}
// NewDefaultConfig returns a default configuration for the DNSProvider.
func NewDefaultConfig() *Config {
return &Config{
Region: env.GetOrDefaultString(EnvRegion, "tyo1"),
TTL: env.GetOrDefaultInt(EnvTTL, 60),
PropagationTimeout: env.GetOrDefaultSecond(EnvPropagationTimeout, dns01.DefaultPropagationTimeout),
PollingInterval: env.GetOrDefaultSecond(EnvPollingInterval, dns01.DefaultPollingInterval),
HTTPClient: &http.Client{
Timeout: env.GetOrDefaultSecond(EnvHTTPTimeout, 30*time.Second),
},
}
}
// DNSProvider implements the challenge.Provider interface.
type DNSProvider struct {
config *Config
client *internal.Client
}
// NewDNSProvider returns a DNSProvider instance configured for ConoHa DNS.
// Credentials must be passed in the environment variables:
// CONOHA_TENANT_ID, CONOHA_API_USERNAME, CONOHA_API_PASSWORD.
func NewDNSProvider() (*DNSProvider, error) {
values, err := env.Get(EnvTenantID, EnvAPIUsername, EnvAPIPassword)
if err != nil {
return nil, fmt.Errorf("conoha: %w", err)
}
config := NewDefaultConfig()
config.TenantID = values[EnvTenantID]
config.Username = values[EnvAPIUsername]
config.Password = values[EnvAPIPassword]
return NewDNSProviderConfig(config)
}
// NewDNSProviderConfig return a DNSProvider instance configured for ConoHa DNS.
func NewDNSProviderConfig(config *Config) (*DNSProvider, error) {
if config == nil {
return nil, errors.New("conoha: the configuration of the DNS provider is nil")
}
if config.TenantID == "" || config.Username == "" || config.Password == "" {
return nil, errors.New("conoha: some credentials information are missing")
}
auth := internal.Auth{
TenantID: config.TenantID,
PasswordCredentials: internal.PasswordCredentials{
Username: config.Username,
Password: config.Password,
},
}
client, err := internal.NewClient(config.Region, auth, config.HTTPClient)
if err != nil {
return nil, fmt.Errorf("conoha: failed to create client: %w", err)
}
return &DNSProvider{config: config, client: client}, nil
}
// Present creates a TXT record to fulfill the dns-01 challenge.
func (d *DNSProvider) Present(domain, token, keyAuth string) error {
fqdn, value := dns01.GetRecord(domain, keyAuth)
authZone, err := dns01.FindZoneByFqdn(fqdn)
if err != nil {
return err
}
id, err := d.client.GetDomainID(authZone)
if err != nil {
return fmt.Errorf("conoha: failed to get domain ID: %w", err)
}
record := internal.Record{
Name: fqdn,
Type: "TXT",
Data: value,
TTL: d.config.TTL,
}
err = d.client.CreateRecord(id, record)
if err != nil {
return fmt.Errorf("conoha: failed to create record: %w", err)
}
return nil
}
// CleanUp clears ConoHa DNS TXT record.
func (d *DNSProvider) CleanUp(domain, token, keyAuth string) error {
fqdn, value := dns01.GetRecord(domain, keyAuth)
authZone, err := dns01.FindZoneByFqdn(fqdn)
if err != nil {
return err
}
domID, err := d.client.GetDomainID(authZone)
if err != nil {
return fmt.Errorf("conoha: failed to get domain ID: %w", err)
}
recID, err := d.client.GetRecordID(domID, fqdn, "TXT", value)
if err != nil {
return fmt.Errorf("conoha: failed to get record ID: %w", err)
}
err = d.client.DeleteRecord(domID, recID)
if err != nil {
return fmt.Errorf("conoha: failed to delete record: %w", err)
}
return nil
}
// Timeout returns the timeout and interval to use when checking for DNS propagation.
// Adjusting here to cope with spikes in propagation times.
func (d *DNSProvider) Timeout() (timeout, interval time.Duration) {
return d.config.PropagationTimeout, d.config.PollingInterval
}