/
util.go
103 lines (87 loc) · 3.03 KB
/
util.go
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package kubectl
import (
"errors"
"fmt"
"os/exec"
"strings"
"github.com/covexo/devspace/pkg/devspace/config/configutil"
"github.com/covexo/devspace/pkg/util/log"
"k8s.io/api/core/v1"
"k8s.io/api/rbac/v1beta1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/client-go/kubernetes"
)
// ClusterRoleBindingName is the name of the cluster role binding that ensures that the user has enough rights
const ClusterRoleBindingName = "devspace-user"
// EnsureDefaultNamespace makes sure the default namespace exists or will be created
func EnsureDefaultNamespace(client *kubernetes.Clientset, log log.Logger) error {
config := configutil.GetConfig()
defaultNamespace, err := configutil.GetDefaultNamespace(config)
if err != nil {
return fmt.Errorf("Error getting default namespace: %v", err)
}
if defaultNamespace != "default" {
_, err = client.CoreV1().Namespaces().Get(defaultNamespace, metav1.GetOptions{})
if err != nil {
log.Donef("Create namespace %s", defaultNamespace)
// Create release namespace
_, err = client.CoreV1().Namespaces().Create(&v1.Namespace{
ObjectMeta: metav1.ObjectMeta{
Name: defaultNamespace,
},
})
}
}
return err
}
// EnsureGoogleCloudClusterRoleBinding makes sure the needed cluster role is created in the google cloud or a warning is printed
func EnsureGoogleCloudClusterRoleBinding(client *kubernetes.Clientset, log log.Logger) error {
if IsMinikube() {
return nil
}
_, err := client.RbacV1beta1().ClusterRoleBindings().Get(ClusterRoleBindingName, metav1.GetOptions{})
if err != nil {
clusterConfig, _ := GetClientConfig()
if clusterConfig.AuthProvider != nil && clusterConfig.AuthProvider.Name == "gcp" {
username := configutil.String("")
log.StartWait("Checking gcloud account")
gcloudOutput, gcloudErr := exec.Command("gcloud", "config", "list", "account", "--format", "value(core.account)").Output()
log.StopWait()
if gcloudErr == nil {
gcloudEmail := strings.TrimSuffix(strings.TrimSuffix(string(gcloudOutput), "\r\n"), "\n")
if gcloudEmail != "" {
username = &gcloudEmail
}
}
if *username == "" {
return errors.New("Couldn't determine google cloud username. Make sure you are logged in to gcloud")
}
rolebinding := &v1beta1.ClusterRoleBinding{
ObjectMeta: metav1.ObjectMeta{
Name: ClusterRoleBindingName,
},
Subjects: []v1beta1.Subject{
{
Kind: "User",
Name: *username,
},
},
RoleRef: v1beta1.RoleRef{
APIGroup: "rbac.authorization.k8s.io",
Kind: "ClusterRole",
Name: "cluster-admin",
},
}
_, err = client.RbacV1beta1().ClusterRoleBindings().Create(rolebinding)
if err != nil {
return err
}
} else {
cfg := configutil.GetConfig()
if cfg.Cluster.CloudProvider == nil || *cfg.Cluster.CloudProvider == "" {
log.Warn("Unable to check permissions: If you run into errors, please create the ClusterRoleBinding '" + ClusterRoleBindingName + "' as described here: https://docs.devspace-cloud.com/docs/advanced/rbac.html")
}
}
}
return nil
}