/
config.go
215 lines (181 loc) · 6.81 KB
/
config.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
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
package common
import (
"flag"
"fmt"
"github.com/BurntSushi/toml"
"github.com/Sirupsen/logrus"
"github.com/caarlos0/env"
"os"
"path"
)
const configFileDir = "/etc/infoblox"
type Config interface {
LoadFromConfFile() error
LoadConfig() error
}
type GridConfig struct {
GridHost string `toml:"grid-host" env:"GRID_HOST"`
WapiVer string `toml:"wapi-version" env:"WAPI_VERSION"`
WapiPort string `toml:"wapi-port" env:"WAPI_PORT"`
WapiUsername string `toml:"wapi-username" env:"WAPI_USERNAME"`
WapiPassword string `toml:"wapi-password" env:"WAPI_PASSWORD"`
SslVerify string `toml:"ssl-verify" env:"SSL_VERIFY"`
HttpRequestTimeout uint `toml:"http-request-timeout" env:"HTTP_REQUEST_TIMEOUT"`
HttpPoolConnections uint `toml:"http-pool-connections" env:"HTTP_POOL_CONNECTIONS"`
}
func (gc GridConfig) String() string {
return fmt.Sprintf("{GridHost: %v, WapiVer: %v, WapiPort: %v, WapiUsername: %v, SslVerify: %v, HttpRequestTimeout: %v, HttpPoolConnections: %v}",
gc.GridHost, gc.WapiVer, gc.WapiPort, gc.WapiUsername, gc.SslVerify, gc.HttpRequestTimeout, gc.HttpPoolConnections)
}
type IpamConfig struct {
GlobalNetview string `toml:"global-view" env:"GLOBAL_VIEW"`
GlobalNetworkContainer string `toml:"global-network-container" env:"GLOBAL_NETWORK_CONTAINER"`
GlobalPrefixLength uint `toml:"global-prefix-length" env:"GLOBAL_PREFIX_LENGTH"`
LocalNetview string `toml:"local-view" env:"LOCAL_VIEW"`
LocalNetworkContainer string `toml:"local-network-container" env:"LOCAL_NETWORK_CONTAINER"`
LocalPrefixLength uint `toml:"local-prefix-length" env:"LOCAL_PREFIX_LENGTH"`
}
type PluginConfig struct {
ConfigFile string `toml:"" env:"CONF_FILE_NAME"`
Debug bool `toml:"debug" env:"DEBUG"`
GridConfig `toml:"grid-config"`
IpamConfig `toml:"ipam-config"`
}
func (pc PluginConfig) String() string {
return fmt.Sprintf("{ConfigFile: %v, Debug: %v, GridConfig: %v, IpamConfig: %v}",
pc.ConfigFile, pc.Debug, pc.GridConfig, pc.IpamConfig)
}
type CreateEADefConfig struct {
ConfigFile string `toml:""`
Debug bool `toml:"debug"`
GridConfig `toml:"grid-config"`
}
func (eac CreateEADefConfig) String() string {
return fmt.Sprintf("{ConfigFile: %v, Debug: %v, GridConfig: %v}",
eac.ConfigFile, eac.Debug, eac.GridConfig)
}
func NewGridConfig() GridConfig {
return GridConfig{
GridHost: "",
WapiVer: "2.0",
WapiPort: "443",
WapiUsername: "",
WapiPassword: "",
SslVerify: "false",
HttpRequestTimeout: 60,
HttpPoolConnections: 10,
}
}
func NewPluginConfig() PluginConfig {
return PluginConfig{
Debug: false,
GridConfig: NewGridConfig(),
IpamConfig: IpamConfig{
GlobalNetview: "default",
GlobalNetworkContainer: "",
GlobalPrefixLength: 24,
LocalNetview: "default",
LocalNetworkContainer: "",
LocalPrefixLength: 24,
},
}
}
func NewCreateEADefConfig() CreateEADefConfig {
return CreateEADefConfig{
Debug: false,
GridConfig: NewGridConfig(),
}
}
func ReadFromConfigFile(filename string, config Config) error {
// load variables from the config file
if filename != "" {
configFilePath := path.Join(configFileDir, filename)
logrus.Infof("Loading configuration from file %s\n", configFilePath)
if _, err := toml.DecodeFile(configFilePath, config); err != nil {
logrus.Errorf("Cannot load the configuration file %s, %s\n", configFilePath, err)
return err
}
}
return nil
}
func (pc *PluginConfig) LoadFromConfFile() error {
// Look for CONF_FILE_NAME in the env variables
if err := pc.LoadFromEnv(); err != nil {
return err
}
return ReadFromConfigFile(pc.ConfigFile, pc)
}
func (pc *PluginConfig) LoadFromEnv() error {
logrus.Debugln("Loading IPAM Configuration from the environment variables")
// Load environment variables from the PluginConfig variables other that struct type
if err := env.Parse(pc); err != nil {
logrus.Errorf("Failed to parse PluginConfig environment variables, %s", err)
return err
}
// Look for the environment variables in GridConfig struct
if err := env.Parse(&pc.GridConfig); err != nil {
logrus.Errorf("Failed to parse GridConfig environment variables, %s", err)
return err
}
// Look for the environment variables in IpamConfig struct
if err := env.Parse(&pc.IpamConfig); err != nil {
logrus.Errorf("Failed to parse IpamConfig environment variables, %s", err)
return err
}
return nil
}
func (pc *PluginConfig) LoadConfig() error {
logrus.Infof("Loading Plugin Configuration")
if err := pc.LoadFromConfFile(); err != nil {
return err
}
if err := pc.LoadFromEnv(); err != nil {
return err
}
logrus.Infof("Configuration successfully loaded\n")
return nil
}
func (eac *CreateEADefConfig) LoadFromCommandLine() error {
// Load configuration from the command line arguments
flagSet := flag.NewFlagSet(os.Args[0], flag.ExitOnError)
flagSet.StringVar(&eac.ConfigFile, "conf-file", eac.ConfigFile, "File path of configuration file")
flagSet.BoolVar(&eac.Debug, "debug", eac.Debug, "Sets log level to debug")
flagSet.StringVar(&eac.GridHost, "grid-host", eac.GridHost, "IP of Infoblox Grid Host")
flagSet.StringVar(&eac.WapiVer, "wapi-version", eac.WapiVer, "Infoblox WAPI Version.")
flagSet.StringVar(&eac.WapiPort, "wapi-port", eac.WapiPort, "Infoblox WAPI Port.")
flagSet.StringVar(&eac.WapiUsername, "wapi-username", eac.WapiUsername, "Infoblox WAPI Username")
flagSet.StringVar(&eac.WapiPassword, "wapi-password", eac.WapiPassword, "Infoblox WAPI Password")
flagSet.StringVar(&eac.SslVerify, "ssl-verify", eac.SslVerify, "Specifies whether (true/false) to verify server certificate. If a file path is specified, it is assumed to be a certificate file and will be used to verify server certificate.")
flagSet.UintVar(&eac.HttpRequestTimeout, "http-request-timeout", eac.HttpRequestTimeout, "Infoblox WAPI request timeout in seconds.")
flagSet.UintVar(&eac.HttpPoolConnections, "http-pool-connections", eac.HttpPoolConnections, "Infoblox WAPI connection pool size.")
flagSet.Parse(os.Args[1:])
return nil
}
func (eac *CreateEADefConfig) LoadFromConfFile() error {
// look for --conf-file flag in the cmd line args
if err := eac.LoadFromCommandLine(); err != nil {
return err
}
return ReadFromConfigFile(eac.ConfigFile, eac)
}
func (eac *CreateEADefConfig) LoadConfig() error {
logrus.Infof("Loading CreateEaDefs Configuration")
if err := eac.LoadFromConfFile(); err != nil {
return err
}
if err := eac.LoadFromCommandLine(); err != nil {
return err
}
logrus.Infof("Configuration successfully loaded\n")
return nil
}
func LoadPluginConfig() (*PluginConfig, error) {
pc := NewPluginConfig()
err := pc.LoadConfig()
return &pc, err
}
func LoadCreateEADefConfig() (*CreateEADefConfig, error) {
eac := NewCreateEADefConfig()
err := eac.LoadConfig()
return &eac, err
}