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The following commit(s) were added to refs/heads/master by this push:
new 70572011 [YUNIKORN-2928] [core] Update foreign pod resource usage
(#990)
70572011 is described below
commit 705720119efce06adfdbdb75e7b660ee89331b42
Author: Peter Bacsko <[email protected]>
AuthorDate: Wed Oct 30 16:57:27 2024 -0500
[YUNIKORN-2928] [core] Update foreign pod resource usage (#990)
Closes: #990
Signed-off-by: Craig Condit <[email protected]>
---
pkg/scheduler/health_checker_test.go | 2 +-
pkg/scheduler/objects/node.go | 25 ++++++++++++
pkg/scheduler/objects/node_test.go | 24 ++++++++++++
pkg/scheduler/partition.go | 43 +++++++++++++--------
pkg/scheduler/partition_test.go | 73 +++++++++++++++++++++++++++++------
pkg/scheduler/tests/operation_test.go | 62 ++++++++++++++++++++---------
pkg/scheduler/utilities_test.go | 6 ++-
7 files changed, 185 insertions(+), 50 deletions(-)
diff --git a/pkg/scheduler/health_checker_test.go
b/pkg/scheduler/health_checker_test.go
index 02402fc9..e4017828 100644
--- a/pkg/scheduler/health_checker_test.go
+++ b/pkg/scheduler/health_checker_test.go
@@ -230,7 +230,7 @@ func TestGetSchedulerHealthStatusContext(t *testing.T) {
assert.Assert(t, healthInfo.HealthChecks[8].Succeeded, "The orphan
allocation check on the app still fails after removing the app")
// check that foreign allocation does not interfere with health check
- falloc := newForeignAllocation("foreign-1", "node")
+ falloc := newForeignAllocation("foreign-1", "node", resources.Zero)
node.AddAllocation(falloc)
healthInfo = GetSchedulerHealthStatus(schedulerMetrics,
schedulerContext)
assert.Assert(t, healthInfo.HealthChecks[7].Succeeded, "Foreign
allocation was detected as orphan")
diff --git a/pkg/scheduler/objects/node.go b/pkg/scheduler/objects/node.go
index 29d26f80..8187f719 100644
--- a/pkg/scheduler/objects/node.go
+++ b/pkg/scheduler/objects/node.go
@@ -364,6 +364,31 @@ func (sn *Node) AddAllocation(alloc *Allocation) {
_ = sn.addAllocationInternal(alloc, true)
}
+// UpdateForeignAllocation updates a foreign allocation and re-calculates the
available/occupied resources
+func (sn *Node) UpdateForeignAllocation(alloc *Allocation) *Allocation {
+ sn.Lock()
+ defer sn.Unlock()
+ key := alloc.GetAllocationKey()
+ existing := sn.allocations[key]
+ sn.allocations[key] = alloc
+ if existing == nil {
+ log.Log(log.SchedNode).Debug("unknown allocation to update",
+ zap.String("allocationKey", key))
+ return nil
+ }
+
+ existingResource := existing.GetAllocatedResource().Clone()
+ newResource := alloc.GetAllocatedResource().Clone()
+ delta := resources.Sub(newResource, existingResource)
+ delta.Prune()
+
+ sn.occupiedResource.AddTo(delta)
+ sn.occupiedResource.Prune()
+ sn.refreshAvailableResource()
+
+ return existing
+}
+
func (sn *Node) addAllocationInternal(alloc *Allocation, force bool) bool {
if alloc == nil {
return false
diff --git a/pkg/scheduler/objects/node_test.go
b/pkg/scheduler/objects/node_test.go
index bf0d7b6c..27ad614d 100644
--- a/pkg/scheduler/objects/node_test.go
+++ b/pkg/scheduler/objects/node_test.go
@@ -956,3 +956,27 @@ func TestGetAllocations(t *testing.T) {
assert.Assert(t, m[foreignAlloc2])
})
}
+
+func TestUpdateForeignAllocation(t *testing.T) {
+ node := newNode(nodeID1, map[string]resources.Quantity{"first": 100,
"second": 200})
+ allocRes :=
resources.NewResourceFromMap(map[string]resources.Quantity{"first": 10,
"second": 20})
+ alloc := newForeignAllocation(foreignAlloc1, nodeID1, allocRes)
+ node.AddAllocation(alloc)
+
+ // update existing allocation
+ updatedRes :=
resources.NewResourceFromMap(map[string]resources.Quantity{"first": 15,
"second": 0})
+ allocUpd := newForeignAllocation(foreignAlloc1, nodeID1, updatedRes)
+ prev := node.UpdateForeignAllocation(allocUpd)
+ expectedOccupied :=
resources.NewResourceFromMap(map[string]resources.Quantity{"first": 15})
+ expectedAvailable :=
resources.NewResourceFromMap(map[string]resources.Quantity{"first": 85,
"second": 200})
+ assert.Assert(t, prev == alloc, "returned previous allocation is
different")
+ assert.Assert(t, resources.Equals(node.GetOccupiedResource(),
expectedOccupied), "occupied resource has been updated incorrectly")
+ assert.Assert(t, resources.Equals(node.GetAllocatedResource(),
resources.Zero), "allocated resource has changed")
+ assert.Assert(t, resources.Equals(node.GetAvailableResource(),
expectedAvailable), "avaiable resource has been updated incorrectly")
+
+ // update non-existing allocation
+ alloc2 := newForeignAllocation(foreignAlloc2, nodeID1, allocRes)
+ prev = node.UpdateForeignAllocation(alloc2)
+ assert.Assert(t, prev == nil, "unexpected previous allocation returned")
+ assert.Assert(t, node.GetAllocation(foreignAlloc2) == alloc2, "foreign
allocation not found")
+}
diff --git a/pkg/scheduler/partition.go b/pkg/scheduler/partition.go
index b3d72ba0..0ae63b68 100644
--- a/pkg/scheduler/partition.go
+++ b/pkg/scheduler/partition.go
@@ -65,7 +65,7 @@ type PartitionContext struct {
reservations int // number of
reservations
placeholderAllocations int // number of
placeholder allocations
preemptionEnabled bool // whether
preemption is enabled or not
- foreignAllocs map[string]string //
allocKey-nodeID assignment of non-Yunikorn allocations
+ foreignAllocs map[string]*objects.Allocation // foreign
(non-Yunikorn) allocations
// The partition write lock must not be held while manipulating an
application.
// Scheduling is running continuously as a lock free background task.
Scheduling an application
@@ -95,7 +95,7 @@ func newPartitionContext(conf configs.PartitionConfig, rmID
string, cc *ClusterC
applications: make(map[string]*objects.Application),
completedApplications: make(map[string]*objects.Application),
nodes: objects.NewNodeCollection(conf.Name),
- foreignAllocs: make(map[string]string),
+ foreignAllocs: make(map[string]*objects.Allocation),
}
pc.partitionManager = newPartitionManager(pc, cc)
if err := pc.initialPartitionFromConfig(conf); err != nil {
@@ -1303,8 +1303,8 @@ func (pc *PartitionContext)
handleForeignAllocation(allocationKey, applicationID
return false, false, fmt.Errorf("failed to find node %s for
allocation %s", nodeID, allocationKey)
}
- existingNodeID := pc.getOrSetNodeIDForAlloc(allocationKey, nodeID)
- if existingNodeID == "" {
+ exists := pc.getOrStoreForeignAlloc(alloc)
+ if !exists {
log.Log(log.SchedPartition).Info("handling new foreign
allocation",
zap.String("partitionName", pc.Name),
zap.String("nodeID", nodeID),
@@ -1317,7 +1317,12 @@ func (pc *PartitionContext)
handleForeignAllocation(allocationKey, applicationID
zap.String("partitionName", pc.Name),
zap.String("appID", applicationID),
zap.String("allocationKey", allocationKey))
- // this is a placeholder for eventual resource updates; nothing to do
yet
+ prev := node.UpdateForeignAllocation(alloc)
+ if prev == nil {
+ log.Log(log.SchedPartition).Warn("BUG: previous allocation not
found during update",
+ zap.String("allocationKey", allocationKey))
+ }
+
return false, false, nil
}
@@ -1327,16 +1332,17 @@ func (pc *PartitionContext) convertUGI(ugi
*si.UserGroupInformation, forced bool
return pc.userGroupCache.ConvertUGI(ugi, forced)
}
-// getOrSetNodeIDForAlloc returns the nodeID for a given foreign allocation,
or sets is if it's unset
-func (pc *PartitionContext) getOrSetNodeIDForAlloc(allocKey, nodeID string)
string {
+// getOrStoreForeignAlloc returns whether the allocation already exists or
stores it if it's new
+func (pc *PartitionContext) getOrStoreForeignAlloc(alloc *objects.Allocation)
bool {
pc.Lock()
defer pc.Unlock()
- id := pc.foreignAllocs[allocKey]
- if id != "" {
- return id
+ allocKey := alloc.GetAllocationKey()
+ existing := pc.foreignAllocs[allocKey]
+ if existing == nil {
+ pc.foreignAllocs[allocKey] = alloc
+ return false
}
- pc.foreignAllocs[allocKey] = nodeID
- return ""
+ return true
}
// calculate overall nodes resource usage and returns a map as the result,
@@ -1548,14 +1554,17 @@ func (pc *PartitionContext) removeAllocation(release
*si.AllocationRelease) ([]*
}
func (pc *PartitionContext) removeForeignAllocation(allocID string) {
- nodeID := pc.foreignAllocs[allocID]
- if nodeID == "" {
+ pc.Lock()
+ defer pc.Unlock()
+ alloc := pc.foreignAllocs[allocID]
+ delete(pc.foreignAllocs, allocID)
+ if alloc == nil {
log.Log(log.SchedPartition).Debug("Tried to remove a
non-existing foreign allocation",
- zap.String("allocationID", allocID),
- zap.String("nodeID", nodeID))
+ zap.String("allocationID", allocID))
return
}
- delete(pc.foreignAllocs, allocID)
+
+ nodeID := alloc.GetNodeID()
node := pc.GetNode(nodeID)
if node == nil {
log.Log(log.SchedPartition).Debug("Node not found for foreign
allocation",
diff --git a/pkg/scheduler/partition_test.go b/pkg/scheduler/partition_test.go
index e1c6f03a..32e3f593 100644
--- a/pkg/scheduler/partition_test.go
+++ b/pkg/scheduler/partition_test.go
@@ -4706,13 +4706,13 @@ func
TestPlaceholderAllocationAndReplacementAfterRecovery(t *testing.T) {
assert.Equal(t, "tg-1", confirmed.GetTaskGroup())
}
-func TestForeignAllocation(t *testing.T) {
+func TestForeignAllocation(t *testing.T) { //nolint:funlen
setupUGM()
partition, err := newBasePartition()
assert.NilError(t, err, "partition create failed")
nodeRes :=
resources.NewResourceFromMap(map[string]resources.Quantity{"first": 10})
- node1 := newNodeMaxResource(nodeID1, nodeRes)
- err = partition.AddNode(node1)
+ node := newNodeMaxResource(nodeID1, nodeRes)
+ err = partition.AddNode(node)
assert.NilError(t, err)
// error: adding request (non-allocation)
@@ -4721,16 +4721,18 @@ func TestForeignAllocation(t *testing.T) {
assert.Assert(t, !reqCreated)
assert.Assert(t, !allocCreated)
assert.Error(t, err, "trying to add a foreign request (non-allocation)
foreign-nonalloc")
+ assert.Equal(t, 0, len(partition.foreignAllocs))
// error: empty node ID
- req = newForeignAllocation(foreignAlloc1, "")
+ req = newForeignAllocation(foreignAlloc1, "", resources.Zero)
reqCreated, allocCreated, err = partition.UpdateAllocation(req)
assert.Assert(t, !reqCreated)
assert.Assert(t, !allocCreated)
assert.Error(t, err, "node ID is empty for allocation foreign-alloc-1")
+ assert.Equal(t, 0, len(partition.foreignAllocs))
// error: no node found
- req = newForeignAllocation(foreignAlloc1, nodeID2)
+ req = newForeignAllocation(foreignAlloc1, nodeID2, resources.Zero)
reqCreated, allocCreated, err = partition.UpdateAllocation(req)
assert.Assert(t, !reqCreated)
assert.Assert(t, !allocCreated)
@@ -4738,15 +4740,49 @@ func TestForeignAllocation(t *testing.T) {
assert.Equal(t, 0, len(partition.foreignAllocs))
// add new allocation
- req = newForeignAllocation(foreignAlloc1, nodeID1)
+ allocRes :=
resources.NewResourceFromMap(map[string]resources.Quantity{"first": 1})
+ req = newForeignAllocation(foreignAlloc1, nodeID1, allocRes)
reqCreated, allocCreated, err = partition.UpdateAllocation(req)
assert.Assert(t, !reqCreated)
assert.Assert(t, allocCreated)
assert.NilError(t, err)
assert.Equal(t, 1, len(partition.foreignAllocs))
- assert.Equal(t, nodeID1, partition.foreignAllocs[foreignAlloc1])
- assert.Equal(t, 0, len(node1.GetYunikornAllocations()))
- assert.Assert(t, node1.GetAllocation(foreignAlloc1) != nil)
+ assert.Equal(t, 0, len(node.GetYunikornAllocations()))
+ assert.Assert(t, node.GetAllocation(foreignAlloc1) != nil)
+ occupied := node.GetOccupiedResource().Clone()
+ available := node.GetAvailableResource().Clone()
+ allocated := node.GetAllocatedResource().Clone()
+ assert.Assert(t, resources.Equals(occupied, allocRes), "occupied
resources has been calculated incorrectly")
+ assert.Assert(t, resources.Equals(allocated, resources.Zero),
"allocated resources has changed")
+ expectedAvailable :=
resources.NewResourceFromMap(map[string]resources.Quantity{"first": 9})
+ assert.Assert(t, resources.Equals(available, expectedAvailable),
"available resources has been calculated incorrectly")
+
+ // update resources
+ updatedRes :=
resources.NewResourceFromMap(map[string]resources.Quantity{"first": 2})
+ update := newForeignAllocation(foreignAlloc1, nodeID1, updatedRes)
+ reqCreated, allocCreated, err = partition.UpdateAllocation(update)
+ assert.Assert(t, !reqCreated)
+ assert.Assert(t, !allocCreated)
+ assert.NilError(t, err)
+ updatedOccupied := node.GetOccupiedResource().Clone()
+ updatedAvailable := node.GetAvailableResource().Clone()
+ updatedAllocated := node.GetAllocatedResource().Clone()
+ assert.Assert(t, resources.Equals(updatedOccupied, updatedRes),
"occupied resources has been updated incorrectly")
+ assert.Assert(t, resources.Equals(updatedAllocated, resources.Zero),
"allocated resources has changed")
+ expectedAvailable =
resources.NewResourceFromMap(map[string]resources.Quantity{"first": 8})
+ assert.Assert(t, resources.Equals(updatedAvailable, expectedAvailable),
"available resources has been updated incorrectly")
+
+ // simulate update error
+ node.RemoveAllocation(foreignAlloc1)
+ reqCreated, allocCreated, err = partition.UpdateAllocation(update) //
should re-add alloc object to the node
+ assert.Assert(t, !reqCreated)
+ assert.Assert(t, !allocCreated)
+ assert.NilError(t, err)
+ assert.Assert(t, node.GetAllocation(foreignAlloc1) != nil)
+ assert.Assert(t, resources.Equals(updatedOccupied, updatedRes),
"occupied resources has been updated incorrectly")
+ assert.Assert(t, resources.Equals(updatedAllocated, resources.Zero),
"allocated resources has changed")
+ expectedAvailable =
resources.NewResourceFromMap(map[string]resources.Quantity{"first": 8})
+ assert.Assert(t, resources.Equals(updatedAvailable, expectedAvailable),
"available resources has been updated incorrectly")
// remove allocation
released, confirmed := partition.removeAllocation(&si.AllocationRelease{
@@ -4755,6 +4791,21 @@ func TestForeignAllocation(t *testing.T) {
assert.Assert(t, released == nil)
assert.Assert(t, confirmed == nil)
assert.Equal(t, 0, len(partition.foreignAllocs))
- assert.Equal(t, 0, len(node1.GetYunikornAllocations()))
- assert.Assert(t, node1.GetAllocation(foreignAlloc1) == nil)
+ assert.Equal(t, 0, len(node.GetYunikornAllocations()))
+ assert.Assert(t, node.GetAllocation(foreignAlloc1) == nil)
+
+ // add + simulate removal failure
+ req = newForeignAllocation(foreignAlloc2, nodeID1, allocRes)
+ reqCreated, allocCreated, err = partition.UpdateAllocation(req)
+ assert.NilError(t, err)
+ assert.Assert(t, !reqCreated)
+ assert.Assert(t, allocCreated)
+ partition.nodes.RemoveNode("node-1") // node gets removed
+ released, confirmed = partition.removeAllocation(&si.AllocationRelease{
+ AllocationKey: foreignAlloc2,
+ })
+ assert.Assert(t, released == nil)
+ assert.Assert(t, confirmed == nil)
+ assert.Equal(t, 0, len(partition.foreignAllocs))
+ assert.Equal(t, 0, len(node.GetYunikornAllocations()))
}
diff --git a/pkg/scheduler/tests/operation_test.go
b/pkg/scheduler/tests/operation_test.go
index 4a0c6015..292ae57c 100644
--- a/pkg/scheduler/tests/operation_test.go
+++ b/pkg/scheduler/tests/operation_test.go
@@ -564,7 +564,7 @@ partitions:
}
}
-func TestForeignPodResourceUsage(t *testing.T) {
+func TestForeignPodResourceUsage(t *testing.T) { //nolint:funlen
// Register RM
configData := `
partitions:
@@ -617,12 +617,10 @@ partitions:
waitForNewNode(t, context, "node-1:1234", "[rm:123]default", 1000)
assert.Equal(t, len(partitionInfo.GetNodes()), 1)
- node1 := partitionInfo.GetNode("node-1:1234")
- assert.Equal(t, int64(node1.GetCapacity().Resources[common.Memory]),
int64(100))
- schedulingNode1 := ms.scheduler.GetClusterContext().
- GetNode("node-1:1234", "[rm:123]default")
- assert.Equal(t,
int64(schedulingNode1.GetAllocatedResource().Resources[common.Memory]),
int64(0))
- assert.Equal(t,
int64(schedulingNode1.GetAvailableResource().Resources[common.Memory]),
int64(100))
+ node := partitionInfo.GetNode("node-1:1234")
+ assert.Equal(t, int64(node.GetCapacity().Resources[common.Memory]),
int64(100))
+ assert.Equal(t,
int64(node.GetAllocatedResource().Resources[common.Memory]), int64(0))
+ assert.Equal(t,
int64(node.GetAvailableResource().Resources[common.Memory]), int64(100))
// update node capacity - add foreign pod
res := resources.NewResourceFromMap(map[string]resources.Quantity{
@@ -643,12 +641,38 @@ partitions:
assert.NilError(t, err, "NodeRequest failed")
waitForAvailableNodeResource(t, ms.scheduler.GetClusterContext(),
"[rm:123]default",
[]string{"node-1:1234"}, 20, 1000)
- assert.Equal(t, int64(node1.GetCapacity().Resources[common.Memory]),
int64(100))
- assert.Equal(t, int64(node1.GetCapacity().Resources[common.CPU]),
int64(10))
- assert.Equal(t,
int64(node1.GetOccupiedResource().Resources[common.Memory]), int64(80))
- assert.Equal(t,
int64(node1.GetOccupiedResource().Resources[common.CPU]), int64(5))
- assert.Equal(t,
int64(schedulingNode1.GetAllocatedResource().Resources[common.Memory]),
int64(0))
- assert.Equal(t,
int64(schedulingNode1.GetAvailableResource().Resources[common.Memory]),
int64(20))
+ assert.Equal(t, int64(node.GetCapacity().Resources[common.Memory]),
int64(100))
+ assert.Equal(t, int64(node.GetCapacity().Resources[common.CPU]),
int64(10))
+ assert.Equal(t,
int64(node.GetOccupiedResource().Resources[common.Memory]), int64(80))
+ assert.Equal(t,
int64(node.GetOccupiedResource().Resources[common.CPU]), int64(5))
+ assert.Equal(t,
int64(node.GetAllocatedResource().Resources[common.Memory]), int64(0))
+ assert.Equal(t,
int64(node.GetAvailableResource().Resources[common.Memory]), int64(20))
+
+ // update resource usage
+ resUpd := resources.NewResourceFromMap(map[string]resources.Quantity{
+ "memory": 50, "vcore": 10})
+ err = ms.proxy.UpdateAllocation(&si.AllocationRequest{
+ Allocations: []*si.Allocation{
+ {
+ AllocationKey: "foreignpod-1",
+ ResourcePerAlloc: resUpd.ToProto(),
+ AllocationTags: map[string]string{
+ common.Foreign: common.AllocTypeDefault,
+ },
+ NodeID: "node-1:1234",
+ },
+ },
+ RmID: "rm:123",
+ })
+ assert.NilError(t, err)
+ waitForAvailableNodeResource(t, ms.scheduler.GetClusterContext(),
"[rm:123]default",
+ []string{"node-1:1234"}, 50, 1000)
+ assert.Equal(t, int64(node.GetCapacity().Resources[common.Memory]),
int64(100))
+ assert.Equal(t, int64(node.GetCapacity().Resources[common.CPU]),
int64(10))
+ assert.Equal(t,
int64(node.GetOccupiedResource().Resources[common.Memory]), int64(50))
+ assert.Equal(t,
int64(node.GetOccupiedResource().Resources[common.CPU]), int64(10))
+ assert.Equal(t,
int64(node.GetAllocatedResource().Resources[common.Memory]), int64(0))
+ assert.Equal(t,
int64(node.GetAvailableResource().Resources[common.Memory]), int64(50))
// update node capacity - remove foreign pod
err = ms.proxy.UpdateAllocation(&si.AllocationRequest{
@@ -664,10 +688,10 @@ partitions:
assert.NilError(t, err)
waitForAvailableNodeResource(t, ms.scheduler.GetClusterContext(),
"[rm:123]default",
[]string{"node-1:1234"}, 100, 1000)
- assert.Equal(t, int64(node1.GetCapacity().Resources[common.Memory]),
int64(100))
- assert.Equal(t, int64(node1.GetCapacity().Resources[common.CPU]),
int64(10))
- assert.Equal(t,
int64(node1.GetOccupiedResource().Resources[common.Memory]), int64(0))
- assert.Equal(t,
int64(node1.GetOccupiedResource().Resources[common.CPU]), int64(0))
- assert.Equal(t,
int64(schedulingNode1.GetAllocatedResource().Resources[common.Memory]),
int64(0))
- assert.Equal(t,
int64(schedulingNode1.GetAvailableResource().Resources[common.Memory]),
int64(100))
+ assert.Equal(t, int64(node.GetCapacity().Resources[common.Memory]),
int64(100))
+ assert.Equal(t, int64(node.GetCapacity().Resources[common.CPU]),
int64(10))
+ assert.Equal(t,
int64(node.GetOccupiedResource().Resources[common.Memory]), int64(0))
+ assert.Equal(t,
int64(node.GetOccupiedResource().Resources[common.CPU]), int64(0))
+ assert.Equal(t,
int64(node.GetAllocatedResource().Resources[common.Memory]), int64(0))
+ assert.Equal(t,
int64(node.GetAvailableResource().Resources[common.Memory]), int64(100))
}
diff --git a/pkg/scheduler/utilities_test.go b/pkg/scheduler/utilities_test.go
index 05986c03..d2f9df80 100644
--- a/pkg/scheduler/utilities_test.go
+++ b/pkg/scheduler/utilities_test.go
@@ -54,6 +54,7 @@ const (
maxresources = "maxresources"
maxapplications = "maxapplications"
foreignAlloc1 = "foreign-alloc-1"
+ foreignAlloc2 = "foreign-alloc-2"
)
func newBasePartitionNoRootDefault() (*PartitionContext, error) {
@@ -610,7 +611,7 @@ func newForeignRequest(allocKey string) *objects.Allocation
{
})
}
-func newForeignAllocation(allocKey, nodeID string) *objects.Allocation {
+func newForeignAllocation(allocKey, nodeID string, allocated
*resources.Resource) *objects.Allocation {
var alloc *objects.Allocation
defer func() {
if nodeID == "" {
@@ -626,7 +627,8 @@ func newForeignAllocation(allocKey, nodeID string)
*objects.Allocation {
AllocationTags: map[string]string{
siCommon.Foreign: siCommon.AllocTypeDefault,
},
- NodeID: id,
+ NodeID: id,
+ ResourcePerAlloc: allocated.ToProto(),
})
return alloc
}
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