lib/dispatchcloud/node_size_test.go

   1 // Copyright (C) The Arvados Authors. All rights reserved.
   2 //
   3 // SPDX-License-Identifier: AGPL-3.0
   4
   5 package dispatchcloud
   6
   7 import (
   8         "git.arvados.org/arvados.git/sdk/go/arvados"
   9         check "gopkg.in/check.v1"
  10 )
  11
  12 var _ = check.Suite(&NodeSizeSuite{})
  13
  14 const GiB = arvados.ByteSize(1 << 30)
  15
  16 type NodeSizeSuite struct{}
  17
  18 func (*NodeSizeSuite) TestChooseNotConfigured(c *check.C) {
  19         _, err := ChooseInstanceType(&arvados.Cluster{}, &arvados.Container{
  20                 RuntimeConstraints: arvados.RuntimeConstraints{
  21                         RAM:   1234567890,
  22                         VCPUs: 2,
  23                 },
  24         })
  25         c.Check(err, check.Equals, ErrInstanceTypesNotConfigured)
  26 }
  27
  28 func (*NodeSizeSuite) TestChooseUnsatisfiable(c *check.C) {
  29         checkUnsatisfiable := func(ctr *arvados.Container) {
  30                 _, err := ChooseInstanceType(&arvados.Cluster{InstanceTypes: map[string]arvados.InstanceType{
  31                         "small1": {Price: 1.1, RAM: 1000000000, VCPUs: 2, Name: "small1"},
  32                         "small2": {Price: 2.2, RAM: 2000000000, VCPUs: 4, Name: "small2"},
  33                         "small4": {Price: 4.4, RAM: 4000000000, VCPUs: 8, Name: "small4", Scratch: GiB},
  34                 }}, ctr)
  35                 c.Check(err, check.FitsTypeOf, ConstraintsNotSatisfiableError{})
  36         }
  37
  38         for _, rc := range []arvados.RuntimeConstraints{
  39                 {RAM: 9876543210, VCPUs: 2},
  40                 {RAM: 1234567890, VCPUs: 20},
  41                 {RAM: 1234567890, VCPUs: 2, KeepCacheRAM: 9876543210},
  42         } {
  43                 checkUnsatisfiable(&arvados.Container{RuntimeConstraints: rc})
  44         }
  45         checkUnsatisfiable(&arvados.Container{
  46                 Mounts:             map[string]arvados.Mount{"/tmp": {Kind: "tmp", Capacity: int64(2 * GiB)}},
  47                 RuntimeConstraints: arvados.RuntimeConstraints{RAM: 12345, VCPUs: 1},
  48         })
  49 }
  50
  51 func (*NodeSizeSuite) TestChoose(c *check.C) {
  52         for _, menu := range []map[string]arvados.InstanceType{
  53                 {
  54                         "costly": {Price: 4.4, RAM: 4000000000, VCPUs: 8, Scratch: 2 * GiB, Name: "costly"},
  55                         "best":   {Price: 2.2, RAM: 2000000000, VCPUs: 4, Scratch: 2 * GiB, Name: "best"},
  56                         "small":  {Price: 1.1, RAM: 1000000000, VCPUs: 2, Scratch: 2 * GiB, Name: "small"},
  57                 },
  58                 {
  59                         "costly":     {Price: 4.4, RAM: 4000000000, VCPUs: 8, Scratch: 2 * GiB, Name: "costly"},
  60                         "goodenough": {Price: 2.2, RAM: 2000000000, VCPUs: 4, Scratch: 2 * GiB, Name: "goodenough"},
  61                         "best":       {Price: 2.2, RAM: 4000000000, VCPUs: 4, Scratch: 2 * GiB, Name: "best"},
  62                         "small":      {Price: 1.1, RAM: 1000000000, VCPUs: 2, Scratch: 2 * GiB, Name: "small"},
  63                 },
  64                 {
  65                         "small":      {Price: 1.1, RAM: 1000000000, VCPUs: 2, Scratch: 2 * GiB, Name: "small"},
  66                         "goodenough": {Price: 2.2, RAM: 2000000000, VCPUs: 4, Scratch: 2 * GiB, Name: "goodenough"},
  67                         "best":       {Price: 2.2, RAM: 4000000000, VCPUs: 4, Scratch: 2 * GiB, Name: "best"},
  68                         "costly":     {Price: 4.4, RAM: 4000000000, VCPUs: 8, Scratch: 2 * GiB, Name: "costly"},
  69                 },
  70                 {
  71                         "small":  {Price: 1.1, RAM: 1000000000, VCPUs: 2, Scratch: GiB, Name: "small"},
  72                         "nearly": {Price: 2.2, RAM: 2000000000, VCPUs: 4, Scratch: GiB, Name: "nearly"},
  73                         "best":   {Price: 3.3, RAM: 4000000000, VCPUs: 4, Scratch: 2 * GiB, Name: "best"},
  74                         "costly": {Price: 4.4, RAM: 4000000000, VCPUs: 8, Scratch: 2 * GiB, Name: "costly"},
  75                 },
  76                 {
  77                         "small":  {Price: 1.1, RAM: 1000000000, VCPUs: 2, Scratch: GiB, Name: "small"},
  78                         "nearly": {Price: 2.2, RAM: 1200000000, VCPUs: 4, Scratch: 2 * GiB, Name: "nearly"},
  79                         "best":   {Price: 3.3, RAM: 4000000000, VCPUs: 4, Scratch: 2 * GiB, Name: "best"},
  80                         "costly": {Price: 4.4, RAM: 4000000000, VCPUs: 8, Scratch: 2 * GiB, Name: "costly"},
  81                 },
  82         } {
  83                 best, err := ChooseInstanceType(&arvados.Cluster{InstanceTypes: menu, Containers: arvados.ContainersConfig{ReserveExtraRAM: 268435456}}, &arvados.Container{
  84                         Mounts: map[string]arvados.Mount{
  85                                 "/tmp": {Kind: "tmp", Capacity: 2 * int64(GiB)},
  86                         },
  87                         RuntimeConstraints: arvados.RuntimeConstraints{
  88                                 VCPUs:        2,
  89                                 RAM:          987654321,
  90                                 KeepCacheRAM: 123456789,
  91                         },
  92                 })
  93                 c.Check(err, check.IsNil)
  94                 c.Check(best.Name, check.Equals, "best")
  95                 c.Check(best.RAM >= 1234567890, check.Equals, true)
  96                 c.Check(best.VCPUs >= 2, check.Equals, true)
  97                 c.Check(best.Scratch >= 2*GiB, check.Equals, true)
  98         }
  99 }
 100
 101 func (*NodeSizeSuite) TestChoosePreemptable(c *check.C) {
 102         menu := map[string]arvados.InstanceType{
 103                 "costly":      {Price: 4.4, RAM: 4000000000, VCPUs: 8, Scratch: 2 * GiB, Preemptible: true, Name: "costly"},
 104                 "almost best": {Price: 2.2, RAM: 2000000000, VCPUs: 4, Scratch: 2 * GiB, Name: "almost best"},
 105                 "best":        {Price: 2.2, RAM: 2000000000, VCPUs: 4, Scratch: 2 * GiB, Preemptible: true, Name: "best"},
 106                 "small":       {Price: 1.1, RAM: 1000000000, VCPUs: 2, Scratch: 2 * GiB, Preemptible: true, Name: "small"},
 107         }
 108         best, err := ChooseInstanceType(&arvados.Cluster{InstanceTypes: menu}, &arvados.Container{
 109                 Mounts: map[string]arvados.Mount{
 110                         "/tmp": {Kind: "tmp", Capacity: 2 * int64(GiB)},
 111                 },
 112                 RuntimeConstraints: arvados.RuntimeConstraints{
 113                         VCPUs:        2,
 114                         RAM:          987654321,
 115                         KeepCacheRAM: 123456789,
 116                 },
 117                 SchedulingParameters: arvados.SchedulingParameters{
 118                         Preemptible: true,
 119                 },
 120         })
 121         c.Check(err, check.IsNil)
 122         c.Check(best.Name, check.Equals, "best")
 123         c.Check(best.RAM >= 1234567890, check.Equals, true)
 124         c.Check(best.VCPUs >= 2, check.Equals, true)
 125         c.Check(best.Scratch >= 2*GiB, check.Equals, true)
 126         c.Check(best.Preemptible, check.Equals, true)
 127 }
 128
 129 func (*NodeSizeSuite) TestScratchForDockerImage(c *check.C) {
 130         n := EstimateScratchSpace(&arvados.Container{
 131                 ContainerImage: "d5025c0f29f6eef304a7358afa82a822+342",
 132         })
 133         // Actual image is 371.1 MiB (according to workbench)
 134         // Estimated size is 384 MiB (402653184 bytes)
 135         // Want to reserve 2x the estimated size, so 805306368 bytes
 136         c.Check(n, check.Equals, int64(805306368))
 137
 138         n = EstimateScratchSpace(&arvados.Container{
 139                 ContainerImage: "d5025c0f29f6eef304a7358afa82a822+-342",
 140         })
 141         // Parse error will return 0
 142         c.Check(n, check.Equals, int64(0))
 143
 144         n = EstimateScratchSpace(&arvados.Container{
 145                 ContainerImage: "d5025c0f29f6eef304a7358afa82a822+34",
 146         })
 147         // Short manifest will return 0
 148         c.Check(n, check.Equals, int64(0))
 149 }