103 lines
2.7 KiB
Go
103 lines
2.7 KiB
Go
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package config
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import (
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"dario.cat/mergo"
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log "github.com/sirupsen/logrus"
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"gopkg.in/yaml.v3"
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"io/ioutil"
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"os"
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"path/filepath"
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"sync"
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)
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var (
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instance *Config
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once sync.Once
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)
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var DefaultConfigPath = "/usr/share/bbb-graphql-middleware/config.yml"
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var OverrideConfigPath = "/etc/bigbluebutton/bbb-graphql-middleware.yml"
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type Config struct {
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Server struct {
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Host string `yaml:"listen_host"`
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Port int `yaml:"listen_port"`
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MaxConnections int `yaml:"max_connections"`
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MaxConnectionsPerSecond int `yaml:"max_connections_per_session_token"`
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MaxConnectionsPerSessionToken int `yaml:"max_connections_per_second"`
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AuthorizedCrossOrigin string `yaml:"authorized_cross_origin"`
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JsonPatchDisabled bool `yaml:"json_patch_disabled"`
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SubscriptionAllowedList string `yaml:"subscriptions_allowed_list"`
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SubscriptionsDeniedList string `yaml:"subscriptions_denied_list"`
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} `yaml:"server"`
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Redis struct {
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Host string `yaml:"host"`
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Port int32 `yaml:"port"`
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Password string `yaml:"password"`
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} `yaml:"redis"`
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Hasura struct {
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Url string `yaml:"url"`
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} `yaml:"hasura"`
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GraphqlActions struct {
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Url string `yaml:"url"`
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} `yaml:"graphql-actions"`
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AuthHook struct {
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Url string `yaml:"url"`
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} `yaml:"auth_hook"`
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SessionVarsHook struct {
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Url string `yaml:"url"`
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} `yaml:"session_vars_hook"`
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LogLevel string `yaml:"log_level"`
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PrometheusAdvancedMetricsEnabled bool `yaml:"prometheus_advanced_metrics_enabled"`
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}
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func GetConfig() *Config {
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once.Do(func() {
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instance = &Config{}
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instance.loadConfigs()
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})
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return instance
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}
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func (c *Config) loadConfigs() {
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// Load default config file
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configDefault, err := loadConfigFile(DefaultConfigPath)
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if err != nil {
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log.Fatalf("Error while loading config file (%s): %v", DefaultConfigPath, err)
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}
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// Load override config file if exists
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if _, err := os.Stat(OverrideConfigPath); err == nil {
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configOverride, err := loadConfigFile(OverrideConfigPath)
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if err != nil {
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log.Fatalf("Error while loading override config file (%s): %v", OverrideConfigPath, err)
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}
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log.Info("Override config found at " + OverrideConfigPath)
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// Use mergo to merge configs
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err = mergo.Merge(&configDefault, configOverride, mergo.WithOverride)
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if err != nil {
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log.Fatalf("Erro ao mesclar as configurações: %v", err)
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}
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}
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// Update the singleton instance with the merged config
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*instance = configDefault
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}
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func loadConfigFile(path string) (Config, error) {
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var config Config
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data, err := ioutil.ReadFile(filepath.Clean(path))
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if err != nil {
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return config, err
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}
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err = yaml.Unmarshal(data, &config)
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if err != nil {
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return config, err
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}
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return config, nil
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}
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