/
rest_getter.go
82 lines (70 loc) · 2.17 KB
/
rest_getter.go
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package helmworkload
import (
"fmt"
"net/http"
"k8s.io/apimachinery/pkg/api/meta"
"k8s.io/client-go/discovery"
"k8s.io/client-go/discovery/cached/memory"
"k8s.io/client-go/rest"
"k8s.io/client-go/tools/clientcmd"
"k8s.io/client-go/tools/clientcmd/api"
v0 "github.com/threeport/threeport/pkg/api/v0"
kube "github.com/threeport/threeport/pkg/kube/v0"
)
// CustomRESTClientGetter implements the genericclioptions.RESTClientGetter
// interface.
type CustomRESTClientGetter struct {
KubernetesRuntimeInstance *v0.KubernetesRuntimeInstance
ApiClient *http.Client
ApiServer string
EncryptionKey string
}
// ToRESTConfig returns a REST config for a Kubernetes runtime.
func (c *CustomRESTClientGetter) ToRESTConfig() (*rest.Config, error) {
restConfig, err := kube.GetRestConfig(
c.KubernetesRuntimeInstance,
true,
c.ApiClient,
c.ApiServer,
c.EncryptionKey,
)
if err != nil {
return nil, fmt.Errorf("failed to Kubernetes REST config: %w", err)
}
return restConfig, nil
}
// ToDiscoveryClient returns a cached discover interface for a Kubernetes
// runtime.
func (c *CustomRESTClientGetter) ToDiscoveryClient() (discovery.CachedDiscoveryInterface, error) {
discoveryClient, err := kube.GetDiscoveryClient(
c.KubernetesRuntimeInstance,
true,
c.ApiClient,
c.ApiServer,
c.EncryptionKey,
)
if err != nil {
return nil, fmt.Errorf("failed to Kubernetes discover interface: %w", err)
}
cachedDiscoveryClient := memory.NewMemCacheClient(discoveryClient)
return cachedDiscoveryClient, nil
}
// ToRESTMapper returns a REST mapper for a Kubernetes runtime.
func (c *CustomRESTClientGetter) ToRESTMapper() (meta.RESTMapper, error) {
_, restMapper, err := kube.GetClient(
c.KubernetesRuntimeInstance,
true,
c.ApiClient,
c.ApiServer,
c.EncryptionKey,
)
if err != nil {
return nil, fmt.Errorf("failed to Kubernetes REST mapper: %w", err)
}
return *restMapper, nil
}
// ToRawKubeConfigLoader returns a raw default client config for a Kubernetes
// runtime.
func (c *CustomRESTClientGetter) ToRawKubeConfigLoader() clientcmd.ClientConfig {
return clientcmd.NewDefaultClientConfig(*api.NewConfig(), &clientcmd.ConfigOverrides{})
}