Files
kubevela/pkg/utils/common/args.go
Jian.Li 4f47bec238 refactor cue related packages in vela (#1734)
* refactor-cue

* import group

* readme

* fmt
2021-06-02 15:37:06 +08:00

103 lines
2.5 KiB
Go

/*
Copyright 2021 The KubeVela Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package common
import (
"fmt"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/client-go/rest"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/client/config"
"github.com/oam-dev/kubevela/pkg/cue/packages"
"github.com/oam-dev/kubevela/pkg/oam/discoverymapper"
)
// Args is args for controller-runtime client
type Args struct {
Config *rest.Config
Schema *runtime.Scheme
Client client.Client
dm discoverymapper.DiscoveryMapper
pd *packages.PackageDiscover
}
// SetConfig insert kubeconfig into Args
func (a *Args) SetConfig() error {
restConf, err := config.GetConfig()
if err != nil {
return err
}
a.Config = restConf
return nil
}
// GetClient get client if exist
func (a *Args) GetClient() (client.Client, error) {
if a.Config == nil {
if err := a.SetConfig(); err != nil {
return nil, err
}
}
if a.Client != nil {
return a.Client, nil
}
newClient, err := client.New(a.Config, client.Options{Scheme: a.Schema})
if err != nil {
return nil, err
}
a.Client = newClient
return a.Client, nil
}
// GetDiscoveryMapper get discoveryMapper client if exist, create if not exist.
func (a *Args) GetDiscoveryMapper() (discoverymapper.DiscoveryMapper, error) {
if a.Config == nil {
if err := a.SetConfig(); err != nil {
return nil, err
}
}
if a.dm != nil {
return a.dm, nil
}
dm, err := discoverymapper.New(a.Config)
if err != nil {
return nil, fmt.Errorf("failed to create CRD discovery client %w", err)
}
a.dm = dm
return dm, nil
}
// GetPackageDiscover get PackageDiscover client if exist, create if not exist.
func (a *Args) GetPackageDiscover() (*packages.PackageDiscover, error) {
if a.Config == nil {
if err := a.SetConfig(); err != nil {
return nil, err
}
}
if a.pd != nil {
return a.pd, nil
}
pd, err := packages.NewPackageDiscover(a.Config)
if err != nil {
return nil, fmt.Errorf("failed to create CRD discovery for CUE package client %w", err)
}
a.pd = pd
return pd, nil
}