X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/7db74f672f64b3e647a98c1d8e5978b50d79538d..60542dcecbffe14a43098d9e68ee6ae05868df1e:/lib/dispatchcloud/scheduler/run_queue_test.go diff --git a/lib/dispatchcloud/scheduler/run_queue_test.go b/lib/dispatchcloud/scheduler/run_queue_test.go index a8df944b4c..da6955029a 100644 --- a/lib/dispatchcloud/scheduler/run_queue_test.go +++ b/lib/dispatchcloud/scheduler/run_queue_test.go @@ -32,10 +32,12 @@ var ( type stubPool struct { notify <-chan struct{} unalloc map[arvados.InstanceType]int // idle+booting+unknown + busy map[arvados.InstanceType]int idle map[arvados.InstanceType]int unknown map[arvados.InstanceType]int running map[string]time.Time quota int + capacity map[string]int canCreate int creates []arvados.InstanceType starts []string @@ -55,6 +57,20 @@ func (p *stubPool) AtQuota() bool { } return n >= p.quota } +func (p *stubPool) AtCapacity(it arvados.InstanceType) bool { + supply, ok := p.capacity[it.ProviderType] + if !ok { + return false + } + for _, existing := range []map[arvados.InstanceType]int{p.unalloc, p.busy} { + for eit, n := range existing { + if eit.ProviderType == it.ProviderType { + supply -= n + } + } + } + return supply < 1 +} func (p *stubPool) Subscribe() <-chan struct{} { return p.notify } func (p *stubPool) Unsubscribe(<-chan struct{}) {} func (p *stubPool) Running() map[string]time.Time { @@ -116,6 +132,7 @@ func (p *stubPool) StartContainer(it arvados.InstanceType, ctr arvados.Container if p.idle[it] == 0 { return false } + p.busy[it]++ p.idle[it]-- p.unalloc[it]-- p.running[ctr.UUID] = time.Time{} @@ -186,6 +203,7 @@ func (*SchedulerSuite) TestUseIdleWorkers(c *check.C) { test.InstanceType(1): 1, test.InstanceType(2): 2, }, + busy: map[arvados.InstanceType]int{}, running: map[string]time.Time{}, canCreate: 0, } @@ -236,6 +254,7 @@ func (*SchedulerSuite) TestShutdownAtQuota(c *check.C) { idle: map[arvados.InstanceType]int{ test.InstanceType(2): 2, }, + busy: map[arvados.InstanceType]int{}, running: map[string]time.Time{}, creates: []arvados.InstanceType{}, starts: []string{}, @@ -272,6 +291,85 @@ func (*SchedulerSuite) TestShutdownAtQuota(c *check.C) { } } +// If pool.AtCapacity(it) is true for one instance type, try running a +// lower-priority container that uses a different node type. Don't +// lock/unlock/start any container that requires the affected instance +// type. +func (*SchedulerSuite) TestInstanceCapacity(c *check.C) { + ctx := ctxlog.Context(context.Background(), ctxlog.TestLogger(c)) + + queue := test.Queue{ + ChooseType: chooseType, + Containers: []arvados.Container{ + { + UUID: test.ContainerUUID(1), + Priority: 1, + State: arvados.ContainerStateLocked, + RuntimeConstraints: arvados.RuntimeConstraints{ + VCPUs: 1, + RAM: 1 << 30, + }, + }, + { + UUID: test.ContainerUUID(2), + Priority: 2, + State: arvados.ContainerStateQueued, + RuntimeConstraints: arvados.RuntimeConstraints{ + VCPUs: 4, + RAM: 4 << 30, + }, + }, + { + UUID: test.ContainerUUID(3), + Priority: 3, + State: arvados.ContainerStateLocked, + RuntimeConstraints: arvados.RuntimeConstraints{ + VCPUs: 4, + RAM: 4 << 30, + }, + }, + { + UUID: test.ContainerUUID(4), + Priority: 4, + State: arvados.ContainerStateLocked, + RuntimeConstraints: arvados.RuntimeConstraints{ + VCPUs: 4, + RAM: 4 << 30, + }, + }, + }, + } + queue.Update() + pool := stubPool{ + quota: 99, + capacity: map[string]int{test.InstanceType(4).ProviderType: 1}, + unalloc: map[arvados.InstanceType]int{ + test.InstanceType(4): 1, + }, + idle: map[arvados.InstanceType]int{ + test.InstanceType(4): 1, + }, + busy: map[arvados.InstanceType]int{}, + running: map[string]time.Time{}, + creates: []arvados.InstanceType{}, + starts: []string{}, + canCreate: 99, + } + sch := New(ctx, arvados.NewClientFromEnv(), &queue, &pool, nil, time.Millisecond, time.Millisecond, 0, 0, 0) + sch.sync() + sch.runQueue() + sch.sync() + + // Start container4, but then pool reports AtCapacity for + // type4, so we skip trying to create an instance for + // container3, skip locking container2, but do try to create a + // type1 instance for container1. + c.Check(pool.starts, check.DeepEquals, []string{test.ContainerUUID(4), test.ContainerUUID(1)}) + c.Check(pool.shutdowns, check.Equals, 0) + c.Check(pool.creates, check.DeepEquals, []arvados.InstanceType{test.InstanceType(1)}) + c.Check(queue.StateChanges(), check.HasLen, 0) +} + // Don't unlock containers or shutdown unalloc (booting/idle) nodes // just because some 503 errors caused us to reduce maxConcurrency // below the current load level. @@ -347,6 +445,10 @@ func (*SchedulerSuite) TestIdleIn503QuietPeriod(c *check.C) { test.InstanceType(2): 1, test.InstanceType(3): 1, }, + busy: map[arvados.InstanceType]int{ + test.InstanceType(2): 1, + test.InstanceType(3): 1, + }, running: map[string]time.Time{ test.ContainerUUID(1): {}, test.ContainerUUID(3): {}, @@ -400,6 +502,9 @@ func (*SchedulerSuite) TestUnlockExcessSupervisors(c *check.C) { idle: map[arvados.InstanceType]int{ test.InstanceType(2): 1, }, + busy: map[arvados.InstanceType]int{ + test.InstanceType(2): 4, + }, running: map[string]time.Time{ test.ContainerUUID(1): {}, test.ContainerUUID(2): {}, @@ -461,6 +566,9 @@ func (*SchedulerSuite) TestExcessSupervisors(c *check.C) { idle: map[arvados.InstanceType]int{ test.InstanceType(2): 1, }, + busy: map[arvados.InstanceType]int{ + test.InstanceType(2): 2, + }, running: map[string]time.Time{ test.ContainerUUID(5): {}, test.ContainerUUID(6): {}, @@ -515,6 +623,7 @@ func (*SchedulerSuite) TestEqualPriorityContainers(c *check.C) { idle: map[arvados.InstanceType]int{ test.InstanceType(3): 2, }, + busy: map[arvados.InstanceType]int{}, running: map[string]time.Time{}, creates: []arvados.InstanceType{}, starts: []string{}, @@ -553,6 +662,7 @@ func (*SchedulerSuite) TestStartWhileCreating(c *check.C) { test.InstanceType(1): 1, test.InstanceType(2): 1, }, + busy: map[arvados.InstanceType]int{}, running: map[string]time.Time{}, canCreate: 4, } @@ -646,6 +756,9 @@ func (*SchedulerSuite) TestKillNonexistentContainer(c *check.C) { idle: map[arvados.InstanceType]int{ test.InstanceType(2): 0, }, + busy: map[arvados.InstanceType]int{ + test.InstanceType(2): 1, + }, running: map[string]time.Time{ test.ContainerUUID(2): {}, }, @@ -742,6 +855,7 @@ func (*SchedulerSuite) TestContainersMetrics(c *check.C) { pool = stubPool{ idle: map[arvados.InstanceType]int{test.InstanceType(1): 1}, unalloc: map[arvados.InstanceType]int{test.InstanceType(1): 1}, + busy: map[arvados.InstanceType]int{}, running: map[string]time.Time{}, } sch = New(ctx, arvados.NewClientFromEnv(), &queue, &pool, nil, time.Millisecond, time.Millisecond, 0, 0, 0) @@ -815,6 +929,7 @@ func (*SchedulerSuite) TestSkipSupervisors(c *check.C) { test.InstanceType(1): 4, test.InstanceType(2): 4, }, + busy: map[arvados.InstanceType]int{}, running: map[string]time.Time{}, canCreate: 0, }