/
controller.go
91 lines (74 loc) · 2.09 KB
/
controller.go
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package main
import (
"fmt"
"net/http"
"github.com/heptiolabs/healthcheck"
"github.com/tebeka/atexit"
candicepkg "github.com/tliron/candice/apis/clientset/versioned"
controllerpkg "github.com/tliron/candice/controller"
"github.com/tliron/kutil/kubernetes"
"github.com/tliron/kutil/util"
versionpkg "github.com/tliron/kutil/version"
apiextensionspkg "k8s.io/apiextensions-apiserver/pkg/client/clientset/clientset"
"k8s.io/client-go/dynamic"
kubernetespkg "k8s.io/client-go/kubernetes"
"k8s.io/client-go/tools/clientcmd"
// Load all auth plugins:
_ "k8s.io/client-go/plugin/pkg/client/auth"
)
func Controller() {
if version {
versionpkg.Print()
atexit.Exit(0)
return
}
log.Noticef("%s version=%s revision=%s", toolName, versionpkg.GitVersion, versionpkg.GitRevision)
// Config
config, err := clientcmd.BuildConfigFromFlags(masterUrl, kubeconfigPath)
util.FailOnError(err)
if clusterMode {
namespace = ""
} else if namespace == "" {
if namespace_, ok := kubernetes.GetConfiguredNamespace(kubeconfigPath, kubeconfigContext); ok {
namespace = namespace_
}
if namespace == "" {
namespace = kubernetes.GetServiceAccountNamespace()
}
if namespace == "" {
log.Fatal("could not discover namespace and namespace not provided")
}
}
// Clients
kubernetesClient, err := kubernetespkg.NewForConfig(config)
util.FailOnError(err)
apiExtensionsClient, err := apiextensionspkg.NewForConfig(config)
util.FailOnError(err)
dynamicClient, err := dynamic.NewForConfig(config)
util.FailOnError(err)
candiceClient, err := candicepkg.NewForConfig(config)
util.FailOnError(err)
// Controller
controller := controllerpkg.NewController(
context,
toolName,
clusterMode,
clusterRole,
namespace,
dynamicClient,
kubernetesClient,
apiExtensionsClient,
candiceClient,
config,
resyncPeriod,
util.SetupSignalHandler(),
)
// Run
err = controller.Run(concurrency, func() {
log.Info("starting health monitor")
health := healthcheck.NewHandler()
err := http.ListenAndServe(fmt.Sprintf(":%d", healthPort), health)
util.FailOnError(err)
})
util.FailOnError(err)
}