github/kubernetes
1
0
Fork 0
mirror of https://github.com/k3s-io/kubernetes.git synced 2025-07-24 20:24:09 +00:00
Code Issues Projects Releases Wiki Activity

Avoid hard-coding list of Node Conditions

Browse Source 
We assume that if a Condition isn't well-known, that it blocks
scheduling of pods, and that the "unhealthy" value is api.ConditionTrue
This commit is contained in:
Justin Santa Barbara 2016-11-04 02:12:31 -04:00
parent c76fe8dcda
commit 511b2ecaa8
1 changed files with 16 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

25
plugin/pkg/scheduler/factory/factory.go
View File

@ -507,15 +507,22 @@ func getNodeConditionPredicate() cache.NodeConditionPredicate {
// - NodeReady condition status is ConditionTrue, // - NodeReady condition status is ConditionTrue,
// - NodeOutOfDisk condition status is ConditionFalse, // - NodeOutOfDisk condition status is ConditionFalse,
// - NodeNetworkUnavailable condition status is ConditionFalse. // - NodeNetworkUnavailable condition status is ConditionFalse.
if cond.Type == api.NodeReady && cond.Status != api.ConditionTrue { switch cond.Type {
glog.V(4).Infof("Ignoring node %v with %v condition status %v", node.Name, cond.Type, cond.Status) case api.NodeReady:
return false if cond.Status != api.ConditionTrue {
} else if cond.Type == api.NodeOutOfDisk && cond.Status != api.ConditionFalse { glog.V(4).Infof("Ignoring node %v with %v condition status %v", node.Name, cond.Type, cond.Status)
glog.V(4).Infof("Ignoring node %v with %v condition status %v", node.Name, cond.Type, cond.Status) return false
return false }
} else if cond.Type == api.NodeNetworkUnavailable && cond.Status != api.ConditionFalse {
glog.V(4).Infof("Ignoring node %v with %v condition status %v", node.Name, cond.Type, cond.Status) case api.NodeMemoryPressure, api.NodeDiskPressure:
return false // We don't block on "pressure" conditions; these are warnings, not errors!
default:
// We assume everything else is blocking if the condition is True or Unknown
if cond.Status != api.ConditionFalse {
glog.V(4).Infof("Ignoring node %v with %v condition status %v", node.Name, cond.Type, cond.Status)
return false
}
} }
} }
// Ignore nodes that are marked unschedulable // Ignore nodes that are marked unschedulable