// cleanupOldDeployments deletes old replication controller deployments if their quota has been reached
func (c *DeploymentConfigController) cleanupOldDeployments(existingDeployments []kapi.ReplicationController, deploymentConfig *deployapi.DeploymentConfig) error {
if deploymentConfig.Spec.RevisionHistoryLimit == nil {
// there is no past deplyoment quota set
return nil
}
prunableDeployments := deployutil.DeploymentsForCleanup(deploymentConfig, existingDeployments)
if len(prunableDeployments) <= int(*deploymentConfig.Spec.RevisionHistoryLimit) {
// the past deployment quota has not been exceeded
return nil
}
deletionErrors := []error{}
for i := 0; i < (len(prunableDeployments) - int(*deploymentConfig.Spec.RevisionHistoryLimit)); i++ {
deployment := prunableDeployments[i]
if deployment.Spec.Replicas != 0 {
// we do not want to clobber active older deployments, but we *do* want them to count
// against the quota so that they will be pruned when they're scaled down
continue
}
err := c.rn.ReplicationControllers(deployment.Namespace).Delete(deployment.Name, nil)
if err != nil && !kapierrors.IsNotFound(err) {
glog.V(2).Infof("Failed deleting old Replication Controller %q for Deployment Config %q: %v", deployment.Name, deploymentConfig.Name, err)
deletionErrors = append(deletionErrors, err)
}
}
return kutilerrors.NewAggregate(deletionErrors)
}
e2e.Logf("%02d: triggering a new deployment with config change", i)
out, err := oc.Run("set", "env").Args("dc/history-limit", fmt.Sprintf("A=%d", i)).Output()
o.Expect(err).NotTo(o.HaveOccurred())
o.Expect(out).To(o.ContainSubstring("updated"))
}
o.Expect(waitForLatestCondition(oc, "history-limit", deploymentRunTimeout, checkDeploymentConfigHasSynced)).NotTo(o.HaveOccurred(),
"the controller needs to have synced with the updated deployment configuration before checking that the revision history limits are being adhered to")
deploymentConfig, deployments, _, err := deploymentInfo(oc, "history-limit")
o.Expect(err).NotTo(o.HaveOccurred())
// sanity check to ensure that the following asertion on the amount of old deployments is valid
o.Expect(*deploymentConfig.Spec.RevisionHistoryLimit).To(o.Equal(int32(revisionHistoryLimit)))
// we need to filter out any deployments that we don't care about,
// namely the active deployment and any newer deployments
oldDeployments := deployutil.DeploymentsForCleanup(deploymentConfig, deployments)
// we should not have more deployments than acceptable
o.Expect(len(oldDeployments)).To(o.BeNumerically("==", revisionHistoryLimit))
// the deployments we continue to keep should be the latest ones
for _, deployment := range oldDeployments {
o.Expect(deployutil.DeploymentVersionFor(&deployment)).To(o.BeNumerically(">=", iterations-revisionHistoryLimit))
}
})
})
g.Describe("with minimum ready seconds set", func() {
g.AfterEach(func() {
failureTrap(oc, "minreadytest", g.CurrentGinkgoTestDescription().Failed)
})
