func (c *DeploymentConfigController) calculateStatus(config deployapi.DeploymentConfig, deployments []kapi.ReplicationController, additional ...deployapi.DeploymentCondition) (deployapi.DeploymentConfigStatus, error) {
selector := labels.Set(config.Spec.Selector).AsSelector()
// TODO: Replace with using rc.status.availableReplicas that comes with the next rebase.
pods, err := c.podStore.Pods(config.Namespace).List(selector)
if err != nil {
return config.Status, err
}
available := deployutil.GetAvailablePods(pods, config.Spec.MinReadySeconds)
// UpdatedReplicas represents the replicas that use the deployment config template which means
// we should inform about the replicas of the latest deployment and not the active.
latestReplicas := int32(0)
latestExists, latestRC := deployutil.LatestDeploymentInfo(&config, deployments)
if !latestExists {
latestRC = nil
} else {
latestReplicas = deployutil.GetStatusReplicaCountForDeployments([]kapi.ReplicationController{*latestRC})
}
total := deployutil.GetReplicaCountForDeployments(deployments)
status := deployapi.DeploymentConfigStatus{
LatestVersion: config.Status.LatestVersion,
Details: config.Status.Details,
ObservedGeneration: config.Generation,
Replicas: deployutil.GetStatusReplicaCountForDeployments(deployments),
UpdatedReplicas: latestReplicas,
AvailableReplicas: available,
UnavailableReplicas: total - available,
Conditions: config.Status.Conditions,
}
isProgressing := deployutil.IsProgressing(config, status)
updateConditions(config, &status, latestRC, isProgressing)
for _, cond := range additional {
deployutil.SetDeploymentCondition(&status, cond)
}
return status, nil
}
func updateConditions(config deployapi.DeploymentConfig, newStatus *deployapi.DeploymentConfigStatus, latestRC *kapi.ReplicationController) {
// Availability condition.
if newStatus.AvailableReplicas >= config.Spec.Replicas-deployutil.MaxUnavailable(config) && newStatus.AvailableReplicas > 0 {
minAvailability := deployutil.NewDeploymentCondition(deployapi.DeploymentAvailable, kapi.ConditionTrue, "", "Deployment config has minimum availability.")
deployutil.SetDeploymentCondition(newStatus, *minAvailability)
} else {
noMinAvailability := deployutil.NewDeploymentCondition(deployapi.DeploymentAvailable, kapi.ConditionFalse, "", "Deployment config does not have minimum availability.")
deployutil.SetDeploymentCondition(newStatus, *noMinAvailability)
}
// Condition about progress.
if latestRC != nil {
switch deployutil.DeploymentStatusFor(latestRC) {
case deployapi.DeploymentStatusPending:
msg := fmt.Sprintf("Replication controller %q is waiting for pod %q to run", latestRC.Name, deployutil.DeployerPodNameForDeployment(latestRC.Name))
condition := deployutil.NewDeploymentCondition(deployapi.DeploymentProgressing, kapi.ConditionUnknown, "", msg)
deployutil.SetDeploymentCondition(newStatus, *condition)
case deployapi.DeploymentStatusRunning:
if deployutil.IsProgressing(config, *newStatus) {
deployutil.RemoveDeploymentCondition(newStatus, deployapi.DeploymentProgressing)
msg := fmt.Sprintf("Replication controller %q is progressing", latestRC.Name)
condition := deployutil.NewDeploymentCondition(deployapi.DeploymentProgressing, kapi.ConditionTrue, deployutil.ReplicationControllerUpdatedReason, msg)
// TODO: Right now, we use lastTransitionTime for storing the last time we had any progress instead
// of the last time the condition transitioned to a new status. We should probably change that.
deployutil.SetDeploymentCondition(newStatus, *condition)
}
case deployapi.DeploymentStatusFailed:
msg := fmt.Sprintf("Replication controller %q has failed progressing", latestRC.Name)
condition := deployutil.NewDeploymentCondition(deployapi.DeploymentProgressing, kapi.ConditionFalse, deployutil.TimedOutReason, msg)
deployutil.SetDeploymentCondition(newStatus, *condition)
case deployapi.DeploymentStatusComplete:
msg := fmt.Sprintf("Replication controller %q has completed progressing", latestRC.Name)
condition := deployutil.NewDeploymentCondition(deployapi.DeploymentProgressing, kapi.ConditionTrue, deployutil.NewRcAvailableReason, msg)
deployutil.SetDeploymentCondition(newStatus, *condition)
}
}
}