c847f5e5a5
- Add a service controller in stackube and create lbaas v2 pools for new services, also add members for endpoints. - Fix getting network for system namespaces. Change-Id: I7942a2d26dd33b4ceb75ec51c03933205a60aea7 Implements: blueprint service-loadbalancer Signed-off-by: Pengfei Ni <feiskyer@gmail.com>
106 lines
2.6 KiB
Go
106 lines
2.6 KiB
Go
package util
|
|
|
|
import (
|
|
"fmt"
|
|
"time"
|
|
|
|
"k8s.io/api/core/v1"
|
|
apiextensionsv1beta1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1beta1"
|
|
apiextensionsclient "k8s.io/apiextensions-apiserver/pkg/client/clientset/clientset"
|
|
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
|
"k8s.io/apimachinery/pkg/util/errors"
|
|
"k8s.io/apimachinery/pkg/util/wait"
|
|
"k8s.io/client-go/rest"
|
|
"k8s.io/client-go/tools/clientcmd"
|
|
)
|
|
|
|
const (
|
|
defaultQPS = 100
|
|
defaultBurst = 100
|
|
)
|
|
|
|
// NewClusterConfig builds a kubernetes cluster config.
|
|
func NewClusterConfig(kubeConfig string) (*rest.Config, error) {
|
|
var cfg *rest.Config
|
|
var err error
|
|
|
|
if kubeConfig != "" {
|
|
cfg, err = clientcmd.BuildConfigFromFlags("", kubeConfig)
|
|
} else {
|
|
cfg, err = rest.InClusterConfig()
|
|
}
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
// Setup default QPS and burst.
|
|
cfg.QPS = defaultQPS
|
|
cfg.Burst = defaultBurst
|
|
return cfg, nil
|
|
}
|
|
|
|
func WaitForCRDReady(clientset apiextensionsclient.Interface, crdName string) error {
|
|
err := wait.Poll(500*time.Millisecond, 60*time.Second, func() (bool, error) {
|
|
crd, err := clientset.ApiextensionsV1beta1().CustomResourceDefinitions().Get(crdName, metav1.GetOptions{})
|
|
if err != nil {
|
|
return false, err
|
|
}
|
|
for _, cond := range crd.Status.Conditions {
|
|
switch cond.Type {
|
|
case apiextensionsv1beta1.Established:
|
|
if cond.Status == apiextensionsv1beta1.ConditionTrue {
|
|
return true, err
|
|
}
|
|
case apiextensionsv1beta1.NamesAccepted:
|
|
if cond.Status == apiextensionsv1beta1.ConditionFalse {
|
|
return false, fmt.Errorf("Name conflict when creating CRD: %v\n", cond.Reason)
|
|
}
|
|
}
|
|
}
|
|
return false, err
|
|
})
|
|
if err != nil {
|
|
deleteErr := clientset.ApiextensionsV1beta1().CustomResourceDefinitions().Delete(crdName, nil)
|
|
if deleteErr != nil {
|
|
return errors.NewAggregate([]error{err, deleteErr})
|
|
}
|
|
return err
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func LoadBalancerStatusDeepCopy(lb *v1.LoadBalancerStatus) *v1.LoadBalancerStatus {
|
|
c := &v1.LoadBalancerStatus{}
|
|
c.Ingress = make([]v1.LoadBalancerIngress, len(lb.Ingress))
|
|
for i := range lb.Ingress {
|
|
c.Ingress[i] = lb.Ingress[i]
|
|
}
|
|
return c
|
|
}
|
|
|
|
func LoadBalancerStatusEqual(l, r *v1.LoadBalancerStatus) bool {
|
|
return ingressSliceEqual(l.Ingress, r.Ingress)
|
|
}
|
|
|
|
func ingressSliceEqual(lhs, rhs []v1.LoadBalancerIngress) bool {
|
|
if len(lhs) != len(rhs) {
|
|
return false
|
|
}
|
|
for i := range lhs {
|
|
if !ingressEqual(&lhs[i], &rhs[i]) {
|
|
return false
|
|
}
|
|
}
|
|
return true
|
|
}
|
|
|
|
func ingressEqual(lhs, rhs *v1.LoadBalancerIngress) bool {
|
|
if lhs.IP != rhs.IP {
|
|
return false
|
|
}
|
|
if lhs.Hostname != rhs.Hostname {
|
|
return false
|
|
}
|
|
return true
|
|
}
|