open-nomad/scheduler/stack_test.go

441 lines
8.9 KiB
Go

package scheduler
import (
"reflect"
"runtime"
"testing"
"github.com/hashicorp/nomad/nomad/mock"
"github.com/hashicorp/nomad/nomad/structs"
)
func TestServiceStack_SetNodes(t *testing.T) {
_, ctx := testContext(t)
stack := NewGenericStack(false, ctx)
nodes := []*structs.Node{
mock.Node(),
mock.Node(),
mock.Node(),
mock.Node(),
mock.Node(),
mock.Node(),
mock.Node(),
mock.Node(),
}
stack.SetNodes(nodes)
// Check that our scan limit is updated
if stack.limit.limit != 3 {
t.Fatalf("bad limit %d", stack.limit.limit)
}
out := collectFeasible(stack.source)
if !reflect.DeepEqual(out, nodes) {
t.Fatalf("bad: %#v", out)
}
}
func TestServiceStack_SetJob(t *testing.T) {
_, ctx := testContext(t)
stack := NewGenericStack(false, ctx)
job := mock.Job()
stack.SetJob(job)
if stack.binPack.priority != job.Priority {
t.Fatalf("bad")
}
if !reflect.DeepEqual(stack.jobConstraint.constraints, job.Constraints) {
t.Fatalf("bad")
}
}
func TestServiceStack_Select_Size(t *testing.T) {
_, ctx := testContext(t)
nodes := []*structs.Node{
mock.Node(),
}
stack := NewGenericStack(false, ctx)
stack.SetNodes(nodes)
job := mock.Job()
stack.SetJob(job)
node, size := stack.Select(job.TaskGroups[0])
if node == nil {
t.Fatalf("missing node %#v", ctx.Metrics())
}
if size == nil {
t.Fatalf("missing size")
}
if size.CPU != 500 || size.MemoryMB != 256 {
t.Fatalf("bad: %#v", size)
}
// Note: On Windows time.Now currently has a best case granularity of 1ms.
// We skip the following assertion on Windows because this test usually
// runs too fast to measure an allocation time on Windows.
met := ctx.Metrics()
if runtime.GOOS != "windows" && met.AllocationTime == 0 {
t.Fatalf("missing time")
}
}
func TestServiceStack_Select_MetricsReset(t *testing.T) {
_, ctx := testContext(t)
nodes := []*structs.Node{
mock.Node(),
mock.Node(),
mock.Node(),
mock.Node(),
}
stack := NewGenericStack(false, ctx)
stack.SetNodes(nodes)
job := mock.Job()
stack.SetJob(job)
n1, _ := stack.Select(job.TaskGroups[0])
m1 := ctx.Metrics()
if n1 == nil {
t.Fatalf("missing node %#v", m1)
}
if m1.NodesEvaluated != 2 {
t.Fatalf("should only be 2")
}
n2, _ := stack.Select(job.TaskGroups[0])
m2 := ctx.Metrics()
if n2 == nil {
t.Fatalf("missing node %#v", m2)
}
// If we don't reset, this would be 4
if m2.NodesEvaluated != 2 {
t.Fatalf("should only be 2")
}
}
func TestServiceStack_Select_DriverFilter(t *testing.T) {
_, ctx := testContext(t)
nodes := []*structs.Node{
mock.Node(),
mock.Node(),
}
zero := nodes[0]
zero.Attributes["driver.foo"] = "1"
if err := zero.ComputeClass(); err != nil {
t.Fatalf("ComputedClass() failed: %v", err)
}
stack := NewGenericStack(false, ctx)
stack.SetNodes(nodes)
job := mock.Job()
job.TaskGroups[0].Tasks[0].Driver = "foo"
stack.SetJob(job)
node, _ := stack.Select(job.TaskGroups[0])
if node == nil {
t.Fatalf("missing node %#v", ctx.Metrics())
}
if node.Node != zero {
t.Fatalf("bad")
}
}
func TestServiceStack_Select_ConstraintFilter(t *testing.T) {
_, ctx := testContext(t)
nodes := []*structs.Node{
mock.Node(),
mock.Node(),
}
zero := nodes[0]
zero.Attributes["kernel.name"] = "freebsd"
if err := zero.ComputeClass(); err != nil {
t.Fatalf("ComputedClass() failed: %v", err)
}
stack := NewGenericStack(false, ctx)
stack.SetNodes(nodes)
job := mock.Job()
job.Constraints[0].RTarget = "freebsd"
stack.SetJob(job)
node, _ := stack.Select(job.TaskGroups[0])
if node == nil {
t.Fatalf("missing node %#v", ctx.Metrics())
}
if node.Node != zero {
t.Fatalf("bad")
}
met := ctx.Metrics()
if met.NodesFiltered != 1 {
t.Fatalf("bad: %#v", met)
}
if met.ClassFiltered["linux-medium-pci"] != 1 {
t.Fatalf("bad: %#v", met)
}
if met.ConstraintFiltered["$attr.kernel.name = freebsd"] != 1 {
t.Fatalf("bad: %#v", met)
}
}
func TestServiceStack_Select_BinPack_Overflow(t *testing.T) {
_, ctx := testContext(t)
nodes := []*structs.Node{
mock.Node(),
mock.Node(),
}
zero := nodes[0]
one := nodes[1]
one.Reserved = one.Resources
stack := NewGenericStack(false, ctx)
stack.SetNodes(nodes)
job := mock.Job()
stack.SetJob(job)
node, _ := stack.Select(job.TaskGroups[0])
if node == nil {
t.Fatalf("missing node %#v", ctx.Metrics())
}
if node.Node != zero {
t.Fatalf("bad")
}
met := ctx.Metrics()
if met.NodesExhausted != 1 {
t.Fatalf("bad: %#v", met)
}
if met.ClassExhausted["linux-medium-pci"] != 1 {
t.Fatalf("bad: %#v", met)
}
if len(met.Scores) != 1 {
t.Fatalf("bad: %#v", met)
}
}
func TestSystemStack_SetNodes(t *testing.T) {
_, ctx := testContext(t)
stack := NewSystemStack(ctx)
nodes := []*structs.Node{
mock.Node(),
mock.Node(),
mock.Node(),
mock.Node(),
mock.Node(),
mock.Node(),
mock.Node(),
mock.Node(),
}
stack.SetNodes(nodes)
out := collectFeasible(stack.source)
if !reflect.DeepEqual(out, nodes) {
t.Fatalf("bad: %#v", out)
}
}
func TestSystemStack_SetJob(t *testing.T) {
_, ctx := testContext(t)
stack := NewSystemStack(ctx)
job := mock.Job()
stack.SetJob(job)
if stack.binPack.priority != job.Priority {
t.Fatalf("bad")
}
if !reflect.DeepEqual(stack.jobConstraint.constraints, job.Constraints) {
t.Fatalf("bad")
}
}
func TestSystemStack_Select_Size(t *testing.T) {
_, ctx := testContext(t)
nodes := []*structs.Node{mock.Node()}
stack := NewSystemStack(ctx)
stack.SetNodes(nodes)
job := mock.Job()
stack.SetJob(job)
node, size := stack.Select(job.TaskGroups[0])
if node == nil {
t.Fatalf("missing node %#v", ctx.Metrics())
}
if size == nil {
t.Fatalf("missing size")
}
if size.CPU != 500 || size.MemoryMB != 256 {
t.Fatalf("bad: %#v", size)
}
// Note: On Windows time.Now currently has a best case granularity of 1ms.
// We skip the following assertion on Windows because this test usually
// runs too fast to measure an allocation time on Windows.
met := ctx.Metrics()
if runtime.GOOS != "windows" && met.AllocationTime == 0 {
t.Fatalf("missing time")
}
}
func TestSystemStack_Select_MetricsReset(t *testing.T) {
_, ctx := testContext(t)
nodes := []*structs.Node{
mock.Node(),
mock.Node(),
mock.Node(),
mock.Node(),
}
stack := NewSystemStack(ctx)
stack.SetNodes(nodes)
job := mock.Job()
stack.SetJob(job)
n1, _ := stack.Select(job.TaskGroups[0])
m1 := ctx.Metrics()
if n1 == nil {
t.Fatalf("missing node %#v", m1)
}
if m1.NodesEvaluated != 1 {
t.Fatalf("should only be 1")
}
n2, _ := stack.Select(job.TaskGroups[0])
m2 := ctx.Metrics()
if n2 == nil {
t.Fatalf("missing node %#v", m2)
}
// If we don't reset, this would be 2
if m2.NodesEvaluated != 1 {
t.Fatalf("should only be 2")
}
}
func TestSystemStack_Select_DriverFilter(t *testing.T) {
_, ctx := testContext(t)
nodes := []*structs.Node{
mock.Node(),
}
zero := nodes[0]
zero.Attributes["driver.foo"] = "1"
stack := NewSystemStack(ctx)
stack.SetNodes(nodes)
job := mock.Job()
job.TaskGroups[0].Tasks[0].Driver = "foo"
stack.SetJob(job)
node, _ := stack.Select(job.TaskGroups[0])
if node == nil {
t.Fatalf("missing node %#v", ctx.Metrics())
}
if node.Node != zero {
t.Fatalf("bad")
}
zero.Attributes["driver.foo"] = "0"
if err := zero.ComputeClass(); err != nil {
t.Fatalf("ComputedClass() failed: %v", err)
}
stack = NewSystemStack(ctx)
stack.SetNodes(nodes)
stack.SetJob(job)
node, _ = stack.Select(job.TaskGroups[0])
if node != nil {
t.Fatalf("node not filtered %#v", node)
}
}
func TestSystemStack_Select_ConstraintFilter(t *testing.T) {
_, ctx := testContext(t)
nodes := []*structs.Node{
mock.Node(),
mock.Node(),
}
zero := nodes[1]
zero.Attributes["kernel.name"] = "freebsd"
if err := zero.ComputeClass(); err != nil {
t.Fatalf("ComputedClass() failed: %v", err)
}
stack := NewSystemStack(ctx)
stack.SetNodes(nodes)
job := mock.Job()
job.Constraints[0].RTarget = "freebsd"
stack.SetJob(job)
node, _ := stack.Select(job.TaskGroups[0])
if node == nil {
t.Fatalf("missing node %#v", ctx.Metrics())
}
if node.Node != zero {
t.Fatalf("bad")
}
met := ctx.Metrics()
if met.NodesFiltered != 1 {
t.Fatalf("bad: %#v", met)
}
if met.ClassFiltered["linux-medium-pci"] != 1 {
t.Fatalf("bad: %#v", met)
}
if met.ConstraintFiltered["$attr.kernel.name = freebsd"] != 1 {
t.Fatalf("bad: %#v", met)
}
}
func TestSystemStack_Select_BinPack_Overflow(t *testing.T) {
_, ctx := testContext(t)
nodes := []*structs.Node{
mock.Node(),
mock.Node(),
}
zero := nodes[0]
zero.Reserved = zero.Resources
one := nodes[1]
stack := NewSystemStack(ctx)
stack.SetNodes(nodes)
job := mock.Job()
stack.SetJob(job)
node, _ := stack.Select(job.TaskGroups[0])
if node == nil {
t.Fatalf("missing node %#v", ctx.Metrics())
}
if node.Node != one {
t.Fatalf("bad")
}
met := ctx.Metrics()
if met.NodesExhausted != 1 {
t.Fatalf("bad: %#v", met)
}
if met.ClassExhausted["linux-medium-pci"] != 1 {
t.Fatalf("bad: %#v", met)
}
if len(met.Scores) != 1 {
t.Fatalf("bad: %#v", met)
}
}