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add --pod-selector opt kubectl drain

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This commit is contained in:
juanvallejo
2017-12-05 16:36:58 -05:00
parent 722cb7a758
commit 151398e961
2 changed files with 75 additions and 0 deletions
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59
hack/make-rules/test-cmd-util.sh
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@@ -4300,6 +4300,51 @@ run_cluster_management_tests() {
kube::test::get_object_assert nodes "{{range.items}}{{$id_field}}:{{end}}" '127.0.0.1:'
# create test pods we can work with
kubectl create -f - "${kube_flags[@]}" << __EOF__
{
"kind": "Pod",
"apiVersion": "v1",
"metadata": {
"name": "test-pod-1",
"labels": {
"e": "f"
}
},
"spec": {
"containers": [
{
"name": "container-1",
"resources": {},
"image": "test-image"
}
]
}
}
__EOF__
kubectl create -f - "${kube_flags[@]}" << __EOF__
{
"kind": "Pod",
"apiVersion": "v1",
"metadata": {
"name": "test-pod-2",
"labels": {
"c": "d"
}
},
"spec": {
"containers": [
{
"name": "container-1",
"resources": {},
"image": "test-image"
}
]
}
}
__EOF__
### kubectl cordon update with --dry-run does not mark node unschedulable
# Pre-condition: node is schedulable
kube::test::get_object_assert "nodes 127.0.0.1" "{{.spec.unschedulable}}" '<no value>'
@@ -4314,6 +4359,20 @@ run_cluster_management_tests() {
kube::test::get_object_assert nodes "{{range.items}}{{$id_field}}:{{end}}" '127.0.0.1:'
kube::test::get_object_assert "nodes 127.0.0.1" "{{.spec.unschedulable}}" '<no value>'
### kubectl drain with --pod-selector only evicts pods that match the given selector
# Pre-condition: node is schedulable
kube::test::get_object_assert "nodes 127.0.0.1" "{{.spec.unschedulable}}" '<no value>'
# Pre-condition: test-pod-1 and test-pod-2 exist
kube::test::get_object_assert "pods" "{{range .items}}{{.metadata.name}},{{end}}" 'test-pod-1,test-pod-2,'
kubectl drain "127.0.0.1" --pod-selector 'e in (f)'
# only "test-pod-1" should have been matched and deleted - test-pod-2 should still exist
kube::test::get_object_assert "pods/test-pod-2" "{{.metadata.name}}" 'test-pod-2'
# delete pod no longer in use
kubectl delete pod/test-pod-2
# Post-condition: node is schedulable
kubectl uncordon "127.0.0.1"
kube::test::get_object_assert "nodes 127.0.0.1" "{{.spec.unschedulable}}" '<no value>'
### kubectl uncordon update with --dry-run is a no-op
# Pre-condition: node is already schedulable
kube::test::get_object_assert "nodes 127.0.0.1" "{{.spec.unschedulable}}" '<no value>'