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application_resource.go
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/
application_resource.go
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package scaler
import (
"fmt"
"os"
"path/filepath"
applicationoperatorv1beta1 "github.com/ibm/operator-sample-go/operator-application/api/v1beta1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/apimachinery/pkg/types"
_ "k8s.io/client-go/plugin/pkg/client/auth/oidc"
"k8s.io/client-go/rest"
"k8s.io/client-go/tools/clientcmd"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/scheme"
)
func getApplicationResource() error {
config, err := rest.InClusterConfig()
if err != nil {
kubeconfig := filepath.Join(
os.Getenv("HOME"), ".kube", "config",
)
fmt.Println("Using kubeconfig file: ", kubeconfig)
config, err = clientcmd.BuildConfigFromFlags("", kubeconfig)
if err != nil {
return err
}
}
var GroupVersion = schema.GroupVersion{Group: "applications.application.sample.ibm.com", Version: "v1beta1"}
var SchemeBuilder = &scheme.Builder{GroupVersion: GroupVersion}
var databaseOperatorScheme *runtime.Scheme
fmt.Println("Attempting SchemeBuilder.Build")
databaseOperatorScheme, err = SchemeBuilder.Build()
if err != nil {
return err
}
fmt.Println("Attempting AddToScheme")
err = applicationoperatorv1beta1.AddToScheme(databaseOperatorScheme)
if err != nil {
return err
}
fmt.Println("Attempting client.New")
kubernetesClient, err = client.New(config, client.Options{Scheme: databaseOperatorScheme})
if err != nil {
return err
}
fmt.Println("Attempting kubernetesClient.Get")
applicationResource = &applicationoperatorv1beta1.Application{}
err = kubernetesClient.Get(applicationContext, types.NamespacedName{Name: applicationName, Namespace: applicationNamespace}, applicationResource)
if err != nil {
return err
}
return nil
}