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Add a rollingupdate lib and command to kubectl

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Also decouple conditions from client for testability.
This commit is contained in:
Jeff Lowdermlk
2014-12-10 13:48:48 -08:00
parent ded3ef2827
commit 0ab39df66b
8 changed files with 576 additions and 5 deletions
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7
pkg/client/conditions.go
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@@ -18,18 +18,17 @@ package client
import (
"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
"github.com/GoogleCloudPlatform/kubernetes/pkg/labels"
"github.com/GoogleCloudPlatform/kubernetes/pkg/util/wait"
)
// ControllerHasDesiredReplicas returns a condition that will be true iff the desired replica count
// for a controller's ReplicaSelector equals the Replicas count.
func (c *Client) ControllerHasDesiredReplicas(controller api.ReplicationController) wait.ConditionFunc {
func ControllerHasDesiredReplicas(c Interface, controller *api.ReplicationController) wait.ConditionFunc {
return func() (bool, error) {
pods, err := c.Pods(controller.Namespace).List(labels.Set(controller.Spec.Selector).AsSelector())
ctrl, err := c.ReplicationControllers(controller.Namespace).Get(controller.Name)
if err != nil {
return false, err
}
return len(pods.Items) == controller.Spec.Replicas, nil
return ctrl.Status.Replicas == ctrl.Spec.Replicas, nil
}
}