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Implement kubectl autoscale

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This commit is contained in:
Janet Kuo
2015-10-15 15:15:13 -07:00
parent cadb6c06be
commit 8105aa44a0
14 changed files with 678 additions and 92 deletions
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22
hack/test-cmd.sh
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@@ -214,6 +214,9 @@ runTests() {
port_field="(index .spec.ports 0).port"
port_name="(index .spec.ports 0).name"
image_field="(index .spec.containers 0).image"
hpa_min_field=".spec.minReplicas"
hpa_max_field=".spec.maxReplicas"
hpa_cpu_field=".spec.cpuUtilization.targetPercentage"
# Passing no arguments to create is an error
! kubectl create
@@ -803,6 +806,25 @@ __EOF__
# Post-condition: no replication controller is running
kube::test::get_object_assert rc "{{range.items}}{{$id_field}}:{{end}}" ''
### Auto scale replication controller
# Pre-condition: no replication controller is running
kube::test::get_object_assert rc "{{range.items}}{{$id_field}}:{{end}}" ''
# Command
kubectl create -f examples/guestbook/frontend-controller.yaml "${kube_flags[@]}"
kube::test::get_object_assert rc "{{range.items}}{{$id_field}}:{{end}}" 'frontend:'
# autoscale 1~2 pods, CPU utilization 70%, rc specified by file
kubectl autoscale -f examples/guestbook/frontend-controller.yaml "${kube_flags[@]}" --max=2 --cpu-percent=70
kube::test::get_object_assert 'hpa frontend' "{{$hpa_min_field}} {{$hpa_max_field}} {{$hpa_cpu_field}}" '1 2 70'
kubectl delete hpa frontend "${kube_flags[@]}"
# autoscale 2~3 pods, default CPU utilization (80%), rc specified by name
kubectl autoscale rc frontend "${kube_flags[@]}" --min=2 --max=3
kube::test::get_object_assert 'hpa frontend' "{{$hpa_min_field}} {{$hpa_max_field}} {{$hpa_cpu_field}}" '2 3 80'
kubectl delete hpa frontend "${kube_flags[@]}"
# autoscale without specifying --max should fail
! kubectl autoscale rc frontend "${kube_flags[@]}"
# Clean up
kubectl delete rc frontend "${kube_flags[@]}"
######################
# Multiple Resources #
######################