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