forked from kubeflow/kubeflow
/
saKey.go
136 lines (126 loc) · 4 KB
/
saKey.go
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package app
import (
iamadmin "cloud.google.com/go/iam/admin/apiv1"
"fmt"
log "github.com/sirupsen/logrus"
"golang.org/x/net/context"
"golang.org/x/oauth2"
"google.golang.org/api/option"
"google.golang.org/genproto/googleapis/iam/admin/v1"
"k8s.io/api/core/v1"
meta_v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
clientset "k8s.io/client-go/kubernetes"
"encoding/base64"
)
const OauthSecretName = "kubeflow-oauth"
func (s *ksServer) ConfigCluster(ctx context.Context, req CreateRequest) error {
k8sConfig, err := buildClusterConfig(ctx, req.Token, req.Project, req.Zone, req.Cluster)
if err != nil {
log.Errorf("Failed getting GKE cluster config: %v", err)
return err
}
k8sClientset, err := clientset.NewForConfig(k8sConfig)
if err != nil {
return err
}
log.Info("Creating namespace")
if err := CreateNamespace(&req, k8sClientset); err != nil {
log.Errorf("Failed to create namespace: %v", err)
return err
}
log.Info("Inserting oauth credentails")
if err := InsertOauthCredentails(&req, k8sClientset); err != nil {
return err
}
log.Infof("Inserting sa keys...")
if err := s.InsertSaKeys(ctx, &req, k8sClientset); err != nil {
log.Errorf("Failed to insert service account key: %v", err)
return err
}
return nil
}
func CreateNamespace(req *CreateRequest, k8sClientset *clientset.Clientset) error {
_, err := k8sClientset.CoreV1().Namespaces().Create(
&v1.Namespace{
ObjectMeta: meta_v1.ObjectMeta{
Name: req.Namespace,
},
},
)
return err
}
func InsertOauthCredentails(req *CreateRequest, k8sClientset *clientset.Clientset) error {
secretData := make(map[string][]byte)
ClientIdData, err := base64.StdEncoding.DecodeString(req.ClientId)
if err != nil {
log.Errorf("Failed decoding client id: %v", err)
return err
}
ClientSecretData, err := base64.StdEncoding.DecodeString(req.ClientSecret)
if err != nil {
log.Errorf("Failed decoding client secret: %v", err)
return err
}
secretData["client_id"] = ClientIdData
secretData["client_secret"] = ClientSecretData
_, err = k8sClientset.CoreV1().Secrets(req.Namespace).Create(
&v1.Secret{
ObjectMeta: meta_v1.ObjectMeta{
Namespace: req.Namespace,
Name: OauthSecretName,
},
Data: secretData,
})
if err != nil {
log.Errorf("Failed creating oauth credentails in GKE cluster: %v", err)
return err
}
return nil
}
func (s *ksServer) InsertSaKeys(ctx context.Context, req *CreateRequest, k8sClientset *clientset.Clientset) error {
err := s.InsertSaKey(ctx, req, "admin-gcp-sa.json", "admin-gcp-sa",
fmt.Sprintf("%v-admin@%v.iam.gserviceaccount.com", req.Cluster, req.Project), k8sClientset)
if err != nil {
return err
}
err = s.InsertSaKey(ctx, req, "user-gcp-sa.json", "user-gcp-sa",
fmt.Sprintf("%v-user@%v.iam.gserviceaccount.com", req.Cluster, req.Project), k8sClientset)
return err
}
func (s *ksServer) InsertSaKey(ctx context.Context, request *CreateRequest, secretKey string,
secretName string, serviceAccount string, k8sClientset *clientset.Clientset) error {
ts := oauth2.StaticTokenSource(&oauth2.Token{
AccessToken: request.Token,
})
c, err := iamadmin.NewIamClient(ctx, option.WithTokenSource(ts))
if err != nil {
log.Errorf("Cannot create iam admin client: %v", err)
return err
}
createServiceAccountKeyRequest := admin.CreateServiceAccountKeyRequest{
Name: fmt.Sprintf("projects/%v/serviceAccounts/%v", request.Project, serviceAccount),
}
projLock := s.GetProjectLock(request.Project)
projLock.Lock()
defer projLock.Unlock()
createdKey, err := c.CreateServiceAccountKey(ctx, &createServiceAccountKeyRequest)
if err != nil {
log.Errorf("Failed creating sa key: %v", err)
return err
}
secretData := make(map[string][]byte)
secretData[secretKey] = createdKey.PrivateKeyData
_, err = k8sClientset.CoreV1().Secrets(request.Namespace).Create(
&v1.Secret{
ObjectMeta: meta_v1.ObjectMeta{
Namespace: request.Namespace,
Name: secretName,
},
Data: secretData,
})
if err != nil {
log.Errorf("Failed creating secret in GKE cluster: %v", err)
return err
}
return nil
}