/
main.go
63 lines (55 loc) · 1.68 KB
/
main.go
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package main
import (
"flag"
"fmt"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/session"
as "github.com/banzaicloud/hollowtrees/actionserver"
"github.com/banzaicloud/ht-aws-asg-action-plugin/plugin"
log "github.com/sirupsen/logrus"
)
var (
logLevel = flag.String("log.level", "info", "log level")
bindAddr = flag.String("bind.address", ":8080", "Bind address where the gRPC API is listening")
region = flag.String("aws.region", "eu-west-1", "The AWS region where the plugin is working")
recommenderUrl = flag.String("recommender.url", "http://localhost:9090", "URL of the spot instance recommender")
)
func init() {
flag.Parse()
parsedLevel, err := log.ParseLevel(*logLevel)
if err != nil {
log.WithError(err).Warnf("Couldn't parse log level, using default: %s", log.GetLevel())
} else {
log.SetLevel(parsedLevel)
log.Debugf("Set log level to %s", parsedLevel)
}
}
type AlertHandler struct {
Router *plugin.EventRouter
}
func newAlertHandler() *AlertHandler {
session, err := session.NewSession(&aws.Config{
Region: aws.String(*region),
})
if err != nil {
log.Fatalf("couldn't create AWS session, cannot start plugin.\n", err)
}
return &AlertHandler{
Router: &plugin.EventRouter{
Session: session,
RecommenderURL: *recommenderUrl,
},
}
}
func (d *AlertHandler) Handle(event *as.AlertEvent) (*as.ActionResult, error) {
fmt.Printf("got GRPC request, handling alert: %v\n", event)
err := d.Router.RouteEvent(event)
if err != nil {
return nil, err
}
return &as.ActionResult{Status: "ok"}, nil
}
func main() {
fmt.Printf("Starting Hollowtrees ActionServer on %s\n", *bindAddr)
as.Serve(*bindAddr, newAlertHandler())
}