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authorKonrad Bańka <k.banka@samsung.com>2021-02-25 00:08:05 +0100
committerKonrad Bańka <k.banka@samsung.com>2021-02-25 15:30:45 +0100
commit22a37f42a54c1acd2f095bc559ab03745e5ae7f9 (patch)
tree18be25e5475c5bf8d00d2e43a734d4eca2658a7b /src/k8splugin/internal/app/client.go
parentfec64d4a5d7986e4d92b1350f31c9a3c81e82e6e (diff)
Provide Healthcheck API MVP0.8.0
Implements basic functionality of running starting Healthcheck. Results can be inspected so-far without dedicated API, by using, for example, Query API. Issue-ID: MULTICLOUD-1233 Signed-off-by: Konrad Bańka <k.banka@samsung.com> Change-Id: Ia4d96d936d573173d7d8f41e6c39d059bf5f8b1f
Diffstat (limited to 'src/k8splugin/internal/app/client.go')
-rw-r--r--src/k8splugin/internal/app/client.go39
1 files changed, 37 insertions, 2 deletions
diff --git a/src/k8splugin/internal/app/client.go b/src/k8splugin/internal/app/client.go
index f0edf8c9..85fefe69 100644
--- a/src/k8splugin/internal/app/client.go
+++ b/src/k8splugin/internal/app/client.go
@@ -16,6 +16,7 @@ limitations under the License.
package app
import (
+ "io/ioutil"
"os"
"strings"
"time"
@@ -32,9 +33,11 @@ import (
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/runtime/schema"
+ "k8s.io/client-go/discovery"
"k8s.io/client-go/discovery/cached/disk"
"k8s.io/client-go/dynamic"
"k8s.io/client-go/kubernetes"
+ "k8s.io/client-go/rest"
"k8s.io/client-go/restmapper"
"k8s.io/client-go/tools/clientcmd"
)
@@ -42,6 +45,8 @@ import (
// KubernetesClient encapsulates the different clients' interfaces
// we need when interacting with a Kubernetes cluster
type KubernetesClient struct {
+ rawConfig clientcmd.ClientConfig
+ restConfig *rest.Config
clientSet kubernetes.Interface
dynamicClient dynamic.Interface
discoverClient *disk.CachedDiscoveryClient
@@ -168,8 +173,8 @@ func (k *KubernetesClient) getKubeConfig(cloudregion string) (string, error) {
return kubeConfigPath, nil
}
-// init loads the Kubernetes configuation values stored into the local configuration file
-func (k *KubernetesClient) init(cloudregion string, iid string) error {
+// Init loads the Kubernetes configuation values stored into the local configuration file
+func (k *KubernetesClient) Init(cloudregion string, iid string) error {
if cloudregion == "" {
return pkgerrors.New("Cloudregion is empty")
}
@@ -209,6 +214,21 @@ func (k *KubernetesClient) init(cloudregion string, iid string) error {
}
k.restMapper = restmapper.NewDeferredDiscoveryRESTMapper(k.discoverClient)
+ k.restConfig = config
+
+ //Spawn ClientConfig
+ kubeFile, err := os.Open(configPath)
+ if err != nil {
+ return pkgerrors.Wrap(err, "Opening kubeConfig")
+ }
+ kubeData, err := ioutil.ReadAll(kubeFile)
+ if err != nil {
+ return pkgerrors.Wrap(err, "Reading kubeConfig")
+ }
+ k.rawConfig, err = clientcmd.NewClientConfigFromBytes(kubeData)
+ if err != nil {
+ return pkgerrors.Wrap(err, "Creating rawConfig")
+ }
return nil
}
@@ -423,3 +443,18 @@ func (k *KubernetesClient) GetStandardClient() kubernetes.Interface {
func (k *KubernetesClient) GetInstanceID() string {
return k.instanceID
}
+
+//Following set of methods are implemented so that KubernetesClient
+//implements genericclioptions.RESTClientGetter interface
+func (k *KubernetesClient) ToDiscoveryClient() (discovery.CachedDiscoveryInterface, error) {
+ return k.discoverClient, nil
+}
+func (k *KubernetesClient) ToRESTMapper() (meta.RESTMapper, error) {
+ return k.GetMapper(), nil
+}
+func (k *KubernetesClient) ToRawKubeConfigLoader() clientcmd.ClientConfig {
+ return k.rawConfig
+}
+func (k *KubernetesClient) ToRESTConfig() (*rest.Config, error) {
+ return k.restConfig, nil
+}