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main.go
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main.go
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package main
import (
"context"
"github.com/giantswarm/microerror"
"github.com/giantswarm/microkit/command"
microserver "github.com/giantswarm/microkit/server"
"github.com/giantswarm/micrologger"
"github.com/spf13/viper"
"github.com/giantswarm/aws-collector/flag"
"github.com/giantswarm/aws-collector/pkg/project"
"github.com/giantswarm/aws-collector/server"
"github.com/giantswarm/aws-collector/service"
)
var (
f *flag.Flag = flag.New()
)
func main() {
err := mainE(context.Background())
if err != nil {
panic(microerror.JSON(err))
}
}
func mainE(ctx context.Context) error {
var err error
var logger micrologger.Logger
{
c := micrologger.Config{}
logger, err = micrologger.New(c)
if err != nil {
return microerror.Mask(err)
}
}
// We define a server factory to create the custom server once all command
// line flags are parsed and all microservice configuration is sorted out.
serverFactory := func(v *viper.Viper) microserver.Server {
// Create a new custom service which implements business logic.
var newService *service.Service
{
c := service.Config{
Logger: logger,
Flag: f,
Viper: v,
}
newService, err = service.New(c)
if err != nil {
panic(microerror.JSON(err))
}
go newService.Boot(ctx)
}
// Create a new custom server which bundles our endpoints.
var newServer microserver.Server
{
c := server.Config{
Logger: logger,
Service: newService,
Viper: v,
}
newServer, err = server.New(c)
if err != nil {
panic(microerror.JSON(err))
}
}
return newServer
}
// Create a new microkit command which manages our custom microservice.
var newCommand command.Command
{
c := command.Config{
Logger: logger,
ServerFactory: serverFactory,
Description: project.Description(),
GitCommit: project.GitSHA(),
Name: project.Name(),
Source: project.Source(),
Version: project.Version(),
}
newCommand, err = command.New(c)
if err != nil {
return microerror.Mask(err)
}
}
daemonCommand := newCommand.DaemonCommand().CobraCommand()
daemonCommand.PersistentFlags().String(f.Service.AWS.HostAccessKey.ID, "", "ID of the AWS access key for the host cluster account. If empty, guest cluster account is used.")
daemonCommand.PersistentFlags().String(f.Service.AWS.HostAccessKey.Secret, "", "Secret of the AWS access key for the host cluster account. If empty, guest cluster account is used.")
daemonCommand.PersistentFlags().String(f.Service.AWS.HostAccessKey.Session, "", "Session token of the AWS access key for the host cluster account. If empty, guest cluster token is used.")
daemonCommand.PersistentFlags().String(f.Service.AWS.Region, "", "Region for checking for orphaned AWS resources.")
daemonCommand.PersistentFlags().String(f.Service.AWS.TrustedAdvisor.Enabled, "", "Whether trusted advisor metrics collection is enabled.")
daemonCommand.PersistentFlags().String(f.Service.Installation.Name, "", "Installation name for tagging AWS resources.")
daemonCommand.PersistentFlags().String(f.Service.Kubernetes.Address, "http://127.0.0.1:6443", "Address used to connect to Kubernetes. When empty in-cluster config is created.")
daemonCommand.PersistentFlags().Bool(f.Service.Kubernetes.InCluster, false, "Whether to use the in-cluster config to authenticate with Kubernetes.")
daemonCommand.PersistentFlags().String(f.Service.Kubernetes.KubeConfig, "", "KubeConfig used to connect to Kubernetes. When empty other settings are used.")
daemonCommand.PersistentFlags().String(f.Service.Kubernetes.TLS.CAFile, "", "Certificate authority file path to use to authenticate with Kubernetes.")
daemonCommand.PersistentFlags().String(f.Service.Kubernetes.TLS.CrtFile, "", "Certificate file path to use to authenticate with Kubernetes.")
daemonCommand.PersistentFlags().String(f.Service.Kubernetes.TLS.KeyFile, "", "Key file path to use to authenticate with Kubernetes.")
err = newCommand.CobraCommand().Execute()
if err != nil {
return microerror.Mask(err)
}
return nil
}