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environment.go
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environment.go
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package environment
import (
"encoding/json"
environment2 "github.com/GSH-LAN/Unwindia_common/src/go/environment"
"github.com/GSH-LAN/Unwindia_common/src/go/logger"
"github.com/GSH-LAN/Unwindia_common/src/go/messagebroker"
pulsarClient "github.com/apache/pulsar-client-go/pulsar"
envLoader "github.com/caarlos0/env/v6"
"github.com/rs/zerolog/log"
"github.com/segmentio/ksuid"
"net/url"
"runtime"
"time"
)
var (
env *Environment
)
// environment holds all the environment variables with primitive types
type environment struct {
environment2.BaseEnvironment
ServiceUid string
JobsProcessInterval time.Duration `env:"JOBS_PROCESS_INTERVAL" envDefault:"10s"`
UseMatchServiceId bool `env:"USE_MATCHSERVICE_ID" envDefault:false`
PteroApplicationApiURL url.URL `env:"PTERODACTYL_APPLICATION_API_URL,notEmpty"`
PteroApplicationApiToken string `env:"PTERODACTYL_APPLICATION_API_TOKEN,notEmpty"`
PteroClientApiURL url.URL `env:"PTERODACTYL_CLIENT_API_URL,notEmpty"`
PteroClientApiToken string `env:"PTERODACTYL_CLIENT_API_TOKEN,notEmpty"`
PteroFetchInterval time.Duration `env:"PTERODACTYL_FETCH_INTERVAL" envDefault:"15s"`
}
// Environment holds all environment configuration with more advanced typing and validation
type Environment struct {
environment
PulsarAuth pulsarClient.Authentication
}
// Load initialized the environment variables
func load() *Environment {
e := environment{}
if err := envLoader.Parse(&e); err != nil {
log.Panic().Err(err)
}
if err := logger.SetLogLevel(e.LogLevel); err != nil {
log.Panic().Err(err)
}
if e.WorkerCount <= 0 {
e.WorkerCount = runtime.NumCPU() + e.WorkerCount
}
if e.ServiceUid == "" {
e.ServiceUid = ksuid.New().String()
}
var pulsarAuthParams = make(map[string]string)
if e.PulsarAuthParams != "" {
if err := json.Unmarshal([]byte(e.PulsarAuthParams), &pulsarAuthParams); err != nil {
log.Panic().Err(err)
}
}
var mbpulsarAuth messagebroker.PulsarAuth
if err := mbpulsarAuth.Unmarshal(e.PulsarAuth); err != nil {
log.Panic().Err(err)
}
var pulsarAuth pulsarClient.Authentication
switch mbpulsarAuth {
case messagebroker.AUTH_OAUTH2:
pulsarAuth = pulsarClient.NewAuthenticationOAuth2(pulsarAuthParams)
}
e2 := Environment{
environment: e,
PulsarAuth: pulsarAuth,
}
log.Info().Interface("environemt", e2).Msgf("Loaded Environment")
return &e2
}
func Get() *Environment {
if env == nil {
env = load()
}
return env
}