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main.go
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main.go
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package main
import (
"context"
"flag"
"fmt"
"os"
"strconv"
"time"
"github.com/argoproj/argo-cd"
"github.com/argoproj/argo-cd/controller"
"github.com/argoproj/argo-cd/errors"
appclientset "github.com/argoproj/argo-cd/pkg/client/clientset/versioned"
"github.com/argoproj/argo-cd/util/cli"
"github.com/argoproj/argo-cd/util/db"
log "github.com/sirupsen/logrus"
"github.com/spf13/cobra"
"k8s.io/client-go/kubernetes"
"k8s.io/client-go/tools/clientcmd"
// load the gcp plugin (required to authenticate against GKE clusters).
_ "k8s.io/client-go/plugin/pkg/client/auth/gcp"
// load the oidc plugin (required to authenticate with OpenID Connect).
"github.com/argoproj/argo-cd/reposerver"
_ "k8s.io/client-go/plugin/pkg/client/auth/oidc"
)
const (
// CLIName is the name of the CLI
cliName = "argocd-application-controller"
// Default time in seconds for application resync period
defaultAppResyncPeriod = 180
)
func newCommand() *cobra.Command {
var (
clientConfig clientcmd.ClientConfig
appResyncPeriod int64
repoServerAddress string
statusProcessors int
operationProcessors int
logLevel string
glogLevel int
)
var command = cobra.Command{
Use: cliName,
Short: "application-controller is a controller to operate on applications CRD",
RunE: func(c *cobra.Command, args []string) error {
level, err := log.ParseLevel(logLevel)
errors.CheckError(err)
log.SetLevel(level)
// Set the glog level for the k8s go-client
_ = flag.CommandLine.Parse([]string{})
_ = flag.Lookup("logtostderr").Value.Set("true")
_ = flag.Lookup("v").Value.Set(strconv.Itoa(glogLevel))
config, err := clientConfig.ClientConfig()
errors.CheckError(err)
kubeClient := kubernetes.NewForConfigOrDie(config)
appClient := appclientset.NewForConfigOrDie(config)
namespace, _, err := clientConfig.Namespace()
errors.CheckError(err)
// TODO (amatyushentsev): Use config map to store controller configuration
controllerConfig := controller.ApplicationControllerConfig{
Namespace: namespace,
InstanceID: "",
}
db := db.NewDB(namespace, kubeClient)
resyncDuration := time.Duration(appResyncPeriod) * time.Second
repoClientset := reposerver.NewRepositoryServerClientset(repoServerAddress)
appStateManager := controller.NewAppStateManager(db, appClient, repoClientset, namespace)
appHealthManager := controller.NewAppHealthManager(db, namespace)
appController := controller.NewApplicationController(
namespace,
kubeClient,
appClient,
db,
appStateManager,
appHealthManager,
resyncDuration,
&controllerConfig)
secretController := controller.NewSecretController(kubeClient, repoClientset, resyncDuration, namespace)
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
log.Infof("Application Controller (version: %s) starting (namespace: %s)", argocd.GetVersion(), namespace)
go secretController.Run(ctx)
go appController.Run(ctx, statusProcessors, operationProcessors)
// Wait forever
select {}
},
}
clientConfig = cli.AddKubectlFlagsToCmd(&command)
command.Flags().Int64Var(&appResyncPeriod, "app-resync", defaultAppResyncPeriod, "Time period in seconds for application resync.")
command.Flags().StringVar(&repoServerAddress, "repo-server", "localhost:8081", "Repo server address.")
command.Flags().IntVar(&statusProcessors, "status-processors", 1, "Number of application status processors")
command.Flags().IntVar(&operationProcessors, "operation-processors", 1, "Number of application operation processors")
command.Flags().StringVar(&logLevel, "loglevel", "info", "Set the logging level. One of: debug|info|warn|error")
command.Flags().IntVar(&glogLevel, "gloglevel", 0, "Set the glog logging level")
return &command
}
func main() {
if err := newCommand().Execute(); err != nil {
fmt.Println(err)
os.Exit(1)
}
}