/
config.go
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/
config.go
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// Copyright (c) Abstract Machines
// SPDX-License-Identifier: Apache-2.0
package provision
import (
"fmt"
"os"
mgclients "github.com/absmach/magistrala/pkg/clients"
"github.com/absmach/magistrala/pkg/errors"
"github.com/absmach/magistrala/pkg/groups"
"github.com/pelletier/go-toml"
)
var errFailedToReadConfig = errors.New("failed to read config file")
// ServiceConf represents service config.
type ServiceConf struct {
Port string `toml:"port" env:"MG_PROVISION_HTTP_PORT" envDefault:"9016"`
LogLevel string `toml:"log_level" env:"MG_PROVISION_LOG_LEVEL" envDefault:"info"`
TLS bool `toml:"tls" env:"MG_PROVISION_ENV_CLIENTS_TLS" envDefault:"false"`
ServerCert string `toml:"server_cert" env:"MG_PROVISION_SERVER_CERT" envDefault:""`
ServerKey string `toml:"server_key" env:"MG_PROVISION_SERVER_KEY" envDefault:""`
ThingsURL string `toml:"things_url" env:"MG_PROVISION_THINGS_LOCATION" envDefault:"http://localhost"`
UsersURL string `toml:"users_url" env:"MG_PROVISION_USERS_LOCATION" envDefault:"http://localhost"`
HTTPPort string `toml:"http_port" env:"MG_PROVISION_HTTP_PORT" envDefault:"9016"`
MgUser string `toml:"mg_user" env:"MG_PROVISION_USER" envDefault:"test@example.com"`
MgPass string `toml:"mg_pass" env:"MG_PROVISION_PASS" envDefault:"test"`
MgDomainID string `toml:"mg_domain_id" env:"MG_PROVISION_DOMAIN_ID" envDefault:""`
MgAPIKey string `toml:"mg_api_key" env:"MG_PROVISION_API_KEY" envDefault:""`
MgBSURL string `toml:"mg_bs_url" env:"MG_PROVISION_BS_SVC_URL" envDefault:"http://localhost:9000/things/configs"`
MgWhiteListURL string `toml:"mg_white_list" env:"MG_PROVISION_BS_SVC_WHITELIST_URL" envDefault:"http://localhost:9000/things/state"`
MgCertsURL string `toml:"mg_certs_url" env:"MG_PROVISION_CERTS_SVC_URL" envDefault:"http://localhost:9019"`
}
// Bootstrap represetns the Bootstrap config.
type Bootstrap struct {
X509Provision bool `toml:"x509_provision" env:"MG_PROVISION_X509_PROVISIONING" envDefault:"false"`
Provision bool `toml:"provision" env:"MG_PROVISION_BS_CONFIG_PROVISIONING" envDefault:"true"`
AutoWhiteList bool `toml:"autowhite_list" env:"MG_PROVISION_BS_AUTO_WHITELIST" envDefault:"true"`
Content map[string]interface{} `toml:"content"`
}
// Gateway represetns the Gateway config.
type Gateway struct {
Type string `toml:"type" json:"type"`
ExternalID string `toml:"external_id" json:"external_id"`
ExternalKey string `toml:"external_key" json:"external_key"`
CtrlChannelID string `toml:"ctrl_channel_id" json:"ctrl_channel_id"`
DataChannelID string `toml:"data_channel_id" json:"data_channel_id"`
ExportChannelID string `toml:"export_channel_id" json:"export_channel_id"`
CfgID string `toml:"cfg_id" json:"cfg_id"`
}
// Cert represetns the certificate config.
type Cert struct {
TTL string `json:"ttl" toml:"ttl" env:"MG_PROVISION_CERTS_HOURS_VALID" envDefault:"2400h"`
}
// Config struct of Provision.
type Config struct {
LogLevel string `toml:"log_level" env:"MG_PROVISION_LOG_LEVEL" envDefault:"info"`
File string `toml:"file" env:"MG_PROVISION_CONFIG_FILE" envDefault:"config.toml"`
Server ServiceConf `toml:"server" mapstructure:"server"`
Bootstrap Bootstrap `toml:"bootstrap" mapstructure:"bootstrap"`
Things []mgclients.Client `toml:"things" mapstructure:"things"`
Channels []groups.Group `toml:"channels" mapstructure:"channels"`
Cert Cert `toml:"cert" mapstructure:"cert"`
BSContent string `env:"MG_PROVISION_BS_CONTENT" envDefault:""`
SendTelemetry bool `env:"MG_SEND_TELEMETRY" envDefault:"true"`
InstanceID string `env:"MG_MQTT_ADAPTER_INSTANCE_ID" envDefault:""`
}
// Save - store config in a file.
func Save(c Config, file string) error {
if file == "" {
return errors.ErrEmptyPath
}
b, err := toml.Marshal(c)
if err != nil {
return errors.Wrap(errFailedToReadConfig, err)
}
if err := os.WriteFile(file, b, 0o644); err != nil {
return fmt.Errorf("Error writing toml: %w", err)
}
return nil
}
// Read - retrieve config from a file.
func Read(file string) (Config, error) {
data, err := os.ReadFile(file)
if err != nil {
return Config{}, errors.Wrap(errFailedToReadConfig, err)
}
var c Config
if err := toml.Unmarshal(data, &c); err != nil {
return Config{}, fmt.Errorf("Error unmarshaling toml: %w", err)
}
return c, nil
}