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https://github.com/kemko/nomad.git
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199d12865f
This change isolates all the code that deals with node selection in the scheduler into its own package called feasible. --------- Co-authored-by: Tim Gross <tgross@hashicorp.com>
96 lines
2.2 KiB
Go
96 lines
2.2 KiB
Go
// Copyright (c) HashiCorp, Inc.
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// SPDX-License-Identifier: BUSL-1.1
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package feasible
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import (
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"testing"
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"github.com/hashicorp/nomad/client/lib/idset"
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"github.com/hashicorp/nomad/client/lib/numalib"
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"github.com/hashicorp/nomad/client/lib/numalib/hw"
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"github.com/hashicorp/nomad/nomad/structs"
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"github.com/shoenig/test/must"
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)
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func TestCoreSelectorSelect(t *testing.T) {
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var (
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totalCores = 46
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maxSpeed = 100
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coreIds = make([]uint16, totalCores)
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cores = make([]numalib.Core, totalCores)
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)
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for i := 1; i < 24; i++ {
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coreIds[i-1] = uint16(i)
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cores[i-1] = numalib.Core{
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SocketID: 0,
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NodeID: 0,
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ID: hw.CoreID(i),
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Grade: false,
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Disable: false,
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BaseSpeed: 0,
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MaxSpeed: hw.MHz(maxSpeed),
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GuessSpeed: 0,
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}
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}
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for i := 25; i < 48; i++ {
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coreIds[i-2] = uint16(i)
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cores[i-2] = numalib.Core{
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SocketID: 0,
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NodeID: 0,
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ID: hw.CoreID(i),
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Grade: false,
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Disable: false,
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BaseSpeed: 0,
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MaxSpeed: hw.MHz(maxSpeed),
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GuessSpeed: 0,
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}
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}
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must.Eq(t, []uint16{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47}, coreIds)
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selector := &coreSelector{
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topology: &numalib.Topology{
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Cores: cores,
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},
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availableCores: idset.From[hw.CoreID](coreIds),
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}
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for _, test := range []struct {
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name string
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resources *structs.Resources
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expectedIds []uint16
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expectedMhz hw.MHz
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}{
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{
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name: "request all cores",
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resources: &structs.Resources{
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Cores: totalCores,
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},
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expectedIds: coreIds,
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expectedMhz: hw.MHz(totalCores * maxSpeed),
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},
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{
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name: "request half the cores",
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resources: &structs.Resources{
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Cores: 10,
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},
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expectedIds: coreIds[:10],
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expectedMhz: hw.MHz(10 * maxSpeed),
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},
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{
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name: "request one core",
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resources: &structs.Resources{
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Cores: 1,
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},
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expectedIds: coreIds[:1],
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expectedMhz: hw.MHz(1 * maxSpeed),
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},
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} {
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t.Run(test.name, func(t *testing.T) {
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ids, mhz := selector.Select(test.resources)
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must.Eq(t, test.expectedIds, ids)
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must.Eq(t, test.expectedMhz, mhz)
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})
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}
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}
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