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daemonset: differentiate between cases in nodeShouldRun

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secifically we need to differentiate between wanting to run,
should run and should continue running. This is required to
support all taint effects and will improve reporting and end
user debuggability.
This commit is contained in:
Mike Danese
2016-12-14 14:25:35 -08:00
parent 330c922706
commit c518e89042
2 changed files with 107 additions and 18 deletions
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17
pkg/controller/daemon/daemoncontroller_test.go
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@@ -267,6 +267,23 @@ func TestInsufficentCapacityNodeDaemonDoesNotLaunchPod(t *testing.T) {
syncAndValidateDaemonSets(t, manager, ds, podControl, 0, 0)
}
// DaemonSets should not unschedule a daemonset pod from a node with insufficient free resource
func TestInsufficentCapacityNodeDaemonDoesNotUnscheduleRunningPod(t *testing.T) {
podSpec := resourcePodSpec("too-much-mem", "75M", "75m")
podSpec.NodeName = "too-much-mem"
manager, podControl, _ := newTestController()
node := newNode("too-much-mem", nil)
node.Status.Allocatable = allocatableResources("100M", "200m")
manager.nodeStore.Add(node)
manager.podStore.Indexer.Add(&v1.Pod{
Spec: podSpec,
})
ds := newDaemonSet("foo")
ds.Spec.Template.Spec = podSpec
manager.dsStore.Add(ds)
syncAndValidateDaemonSets(t, manager, ds, podControl, 0, 0)
}
func TestSufficentCapacityWithTerminatedPodsDaemonLaunchesPod(t *testing.T) {
podSpec := resourcePodSpec("too-much-mem", "75M", "75m")
manager, podControl, _ := newTestController()