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controller: proportionally scale paused and rolling deployments

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Enable paused and rolling deployments to be proportionally scaled.
Also have cleanup policy work for paused deployments.
This commit is contained in:
Michail Kargakis
2016-01-28 17:35:14 +01:00
parent a098d9fd24
commit f3d2e3ff22
11 changed files with 798 additions and 129 deletions
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20
hack/test-cmd.sh
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@@ -1772,35 +1772,35 @@ __EOF__
# Command
# Create a deployment (revision 1)
kubectl create -f hack/testdata/deployment-revision1.yaml "${kube_flags[@]}"
kube::test::get_object_assert deployment "{{range.items}}{{$id_field}}:{{end}}" 'nginx-deployment:'
kube::test::get_object_assert deployment "{{range.items}}{{$id_field}}:{{end}}" 'nginx:'
kube::test::get_object_assert deployment "{{range.items}}{{$deployment_image_field}}:{{end}}" "${IMAGE_DEPLOYMENT_R1}:"
# Rollback to revision 1 - should be no-op
kubectl rollout undo deployment nginx-deployment --to-revision=1 "${kube_flags[@]}"
kubectl rollout undo deployment nginx --to-revision=1 "${kube_flags[@]}"
kube::test::get_object_assert deployment "{{range.items}}{{$deployment_image_field}}:{{end}}" "${IMAGE_DEPLOYMENT_R1}:"
# Update the deployment (revision 2)
kubectl apply -f hack/testdata/deployment-revision2.yaml "${kube_flags[@]}"
kube::test::get_object_assert deployment.extensions "{{range.items}}{{$deployment_image_field}}:{{end}}" "${IMAGE_DEPLOYMENT_R2}:"
# Rollback to revision 1
kubectl rollout undo deployment nginx-deployment --to-revision=1 "${kube_flags[@]}"
kubectl rollout undo deployment nginx --to-revision=1 "${kube_flags[@]}"
sleep 1
kube::test::get_object_assert deployment "{{range.items}}{{$deployment_image_field}}:{{end}}" "${IMAGE_DEPLOYMENT_R1}:"
# Rollback to revision 1000000 - should be no-op
kubectl rollout undo deployment nginx-deployment --to-revision=1000000 "${kube_flags[@]}"
kubectl rollout undo deployment nginx --to-revision=1000000 "${kube_flags[@]}"
kube::test::get_object_assert deployment "{{range.items}}{{$deployment_image_field}}:{{end}}" "${IMAGE_DEPLOYMENT_R1}:"
# Rollback to last revision
kubectl rollout undo deployment nginx-deployment "${kube_flags[@]}"
kubectl rollout undo deployment nginx "${kube_flags[@]}"
sleep 1
kube::test::get_object_assert deployment "{{range.items}}{{$deployment_image_field}}:{{end}}" "${IMAGE_DEPLOYMENT_R2}:"
# Pause the deployment
kubectl-with-retry rollout pause deployment nginx-deployment "${kube_flags[@]}"
kubectl-with-retry rollout pause deployment nginx "${kube_flags[@]}"
# A paused deployment cannot be rolled back
! kubectl rollout undo deployment nginx-deployment "${kube_flags[@]}"
! kubectl rollout undo deployment nginx "${kube_flags[@]}"
# Resume the deployment
kubectl-with-retry rollout resume deployment nginx-deployment "${kube_flags[@]}"
kubectl-with-retry rollout resume deployment nginx "${kube_flags[@]}"
# The resumed deployment can now be rolled back
kubectl rollout undo deployment nginx-deployment "${kube_flags[@]}"
kubectl rollout undo deployment nginx "${kube_flags[@]}"
# Clean up
kubectl delete deployment nginx-deployment "${kube_flags[@]}"
kubectl delete deployment nginx "${kube_flags[@]}"
### Set image of a deployment
# Pre-condition: no deployment exists