catalog-service/src/internal/app/plugins.go
2024-12-05 16:57:56 +01:00

141 lines
3.4 KiB
Go

package app
import (
"fmt"
"log"
"os"
"strconv"
redis "github.com/go-redis/redis/v8"
amqp "github.com/rabbitmq/amqp091-go"
"git.pbiernat.io/egommerce/go-api-pkg/consul"
"git.pbiernat.io/egommerce/go-api-pkg/fluentd"
db "git.pbiernat.io/egommerce/catalog-service/pkg/database"
)
type (
Plugin struct {
name string
fn PluginFn
}
PluginFn func() any
)
func CachePlugin(cArr map[string]string) Plugin {
return Plugin{
name: "cache",
fn: func() any {
return redis.NewClient(&redis.Options{
Addr: cArr["cacheAddr"],
Password: cArr["cachePassword"],
DB: 0,
})
},
}
}
func DatabasePlugin(cArr map[string]string) Plugin {
return Plugin{
name: "database",
fn: func() any {
dbConn, err := db.Connect(cArr["dbURL"])
if err != nil {
log.Fatalf("Failed to connect to the Database: %s. Err: %v\n", cArr["dbURL"], err)
os.Exit(1) // TODO: retry in background...
}
return dbConn
},
}
}
func EventbusPlugin(cArr map[string]string) Plugin {
return Plugin{
name: "eventbus",
fn: func() any {
conn, err := amqp.Dial(cArr["eventBusURL"])
if err != nil {
log.Fatalf("Failed to connect to the EventBus: %s. Err: %v\n", cArr["eventBusURL"], err)
os.Exit(1) // TODO: retry in background...
}
chn, err := conn.Channel()
if err != nil {
log.Fatalf("Failed to open new EventBus channel. Err: %v\n", err)
os.Exit(1) // TODO: retry in background...
}
return chn
},
}
}
func LoggerPlugin(cArr map[string]string) Plugin {
return Plugin{
name: "logger",
fn: func() any {
logHost, logPort, err := fluentd.ParseAddr(cArr["loggerAddr"])
if err != nil {
log.Fatalf("Failed to parse FluentD address: %s. Err: %v", cArr["loggerAddr"], err)
os.Exit(1) // TODO: retry in background...
}
logger, err := fluentd.NewLogger(cArr["appFullname"], logHost, logPort)
if err != nil {
log.Fatalf("Failed to connect to the FluentD on %s:%d. Err: %v", logHost, logPort, err)
os.Exit(1) // TODO: retry in background...
}
return logger
},
}
}
func RegistryPlugin(cArr map[string]string) Plugin {
return Plugin{
name: "registry",
fn: func() any {
port, _ := strconv.Atoi(cArr["netAddr"][1:]) // FIXME: can be IP:PORT or :PORT
// log.Printf("Consul retrieved port: %v", port)
registry, err := consul.NewService(cArr["registryAddr"], cArr["id"], cArr["name"], cArr["registryDomainOverIP"], cArr["ip"], cArr["domain"], cArr["pathPrefix"], port)
if err != nil {
log.Fatalf("Failed to connect to the Consul on: %s. Err: %v", cArr["registryAddr"], err)
os.Exit(1) // TODO: retry in background...
}
svc, _ := registry.Connect()
tlsCnf := svc.ServerTLSConfig()
// s.Base.App.Server().TLSConfig = tlsCnf
fmt.Println("Podmiana configa TLS", tlsCnf)
// defer svc.Close()
err = registry.Register()
if err != nil {
log.Fatalf("Failed to register in the Consul service. Err: %v", err)
os.Exit(1) // TODO: retry in background...
}
registry.RegisterHealthChecks()
// a.registerKVUpdater() // FIXME run as goroutine
return registry
// go func() { // Consul KV updater
// ticker := time.NewTicker(time.Second * 15)
// for range ticker.C {
// fetchKVConfig(s) // FIXME: duplicated in worker
// }
// }()
// go func() { // Server metadata cache updater
// ticker := time.NewTicker(time.Second * 5)
// for range ticker.C {
// s.cacheMetadata()
// }
// }()
},
}
}