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main.go
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main.go
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package main
import (
"context"
"os"
"os/signal"
"syscall"
"github.com/cgauge/aws-secretsmanager-caching-extension/extensions_api"
"github.com/cgauge/aws-secretsmanager-caching-extension/secrets"
"github.com/cgauge/aws-secretsmanager-caching-extension/server"
)
var (
extensionClient = extensions_api.NewClient(os.Getenv("AWS_LAMBDA_RUNTIME_API"))
)
func main() {
ctx, cancel := context.WithCancel(context.Background())
sigs := make(chan os.Signal, 1)
signal.Notify(sigs, syscall.SIGTERM, syscall.SIGINT)
go func() {
s := <-sigs
cancel()
println(secrets.PrintPrefix, "Received", s)
println(secrets.PrintPrefix, "Exiting")
}()
_, err := extensionClient.Register(ctx, secrets.ExtensionName)
if err != nil {
panic(err)
}
go server.StartHTTPServer("8015")
processEvents(ctx)
}
func processEvents(ctx context.Context) {
for {
select {
case <-ctx.Done():
return
default:
println(secrets.PrintPrefix, "Waiting for event...")
res, err := extensionClient.NextEvent(ctx)
if err != nil {
println(secrets.PrintPrefix, "Error:", err)
println(secrets.PrintPrefix, "Exiting")
return
}
if res.EventType == extensions_api.Shutdown {
println(secrets.PrintPrefix, "Received SHUTDOWN event")
println(secrets.PrintPrefix, "Exiting")
return
}
}
}
}