forked from argoproj/argo-workflows
/
common.go
93 lines (82 loc) · 2.47 KB
/
common.go
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package template
import (
"context"
"log"
"google.golang.org/grpc"
"k8s.io/client-go/kubernetes"
"k8s.io/client-go/rest"
"github.com/argoproj/argo/cmd/argo/commands/client"
"github.com/argoproj/argo/pkg/apiclient/workflowtemplate"
wfv1 "github.com/argoproj/argo/pkg/apis/workflow/v1alpha1"
"github.com/argoproj/argo/pkg/client/clientset/versioned"
"github.com/argoproj/argo/pkg/client/clientset/versioned/typed/workflow/v1alpha1"
"github.com/argoproj/argo/workflow/templateresolution"
)
// Global variables
var (
// DEPRECATED
restConfig *rest.Config
// DEPRECATED
clientset *kubernetes.Clientset
// DEPRECATED
wfClientset *versioned.Clientset
// DEPRECATED
wftmplClient v1alpha1.WorkflowTemplateInterface
// DEPRECATED
namespace string
)
// DEPRECATED
func initKubeClient() *kubernetes.Clientset {
if clientset != nil {
return clientset
}
var err error
restConfig, err = client.Config.ClientConfig()
if err != nil {
log.Fatal(err)
}
// create the clientset
clientset, err = kubernetes.NewForConfig(restConfig)
if err != nil {
log.Fatal(err)
}
return clientset
}
// InitWorkflowTemplateClient creates a new client for the Kubernetes WorkflowTemplate CRD.
// DEPRECATED
func InitWorkflowTemplateClient(ns ...string) v1alpha1.WorkflowTemplateInterface {
if wftmplClient != nil {
return wftmplClient
}
initKubeClient()
var err error
if len(ns) > 0 {
namespace = ns[0]
} else {
namespace, _, err = client.Config.Namespace()
if err != nil {
log.Fatal(err)
}
}
wfClientset = versioned.NewForConfigOrDie(restConfig)
wftmplClient = wfClientset.ArgoprojV1alpha1().WorkflowTemplates(namespace)
return wftmplClient
}
// LazyWorkflowTemplateGetter is a wrapper of v1alpha1.WorkflowTemplateInterface which
// supports lazy initialization.
// DEPRECATED
type LazyWorkflowTemplateGetter struct{}
// Get initializes it just before it's actually used and returns a retrieved workflow template.
// DEPRECATED
func (c LazyWorkflowTemplateGetter) Get(name string) (*wfv1.WorkflowTemplate, error) {
if wftmplClient == nil {
_ = InitWorkflowTemplateClient()
}
return templateresolution.WrapWorkflowTemplateInterface(wftmplClient).Get(name)
}
// DEPRECATED
var _ templateresolution.WorkflowTemplateNamespacedGetter = &LazyWorkflowTemplateGetter{}
// DEPRECATED
func GetWFtmplApiServerGRPCClient(conn *grpc.ClientConn) (workflowtemplate.WorkflowTemplateServiceClient, context.Context) {
return workflowtemplate.NewWorkflowTemplateServiceClient(conn), client.GetContext()
}