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.curoverse.com/arvados.git/sdk/go/arvados"
   9         check "gopkg.in/check.v1"
  10 )
  11
  12 var _ = check.Suite(&NodeSizeSuite{})
  13
  14 const GiB = int64(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: []arvados.InstanceType{
  31                         {Price: 1.1, RAM: 1000000000, VCPUs: 2, Name: "small1"},
  32                         {Price: 2.2, RAM: 2000000000, VCPUs: 4, Name: "small2"},
  33                         {Price: 4.4, RAM: 4000000000, VCPUs: 8, Name: "small4", Scratch: GiB},
  34                 }}, ctr)
  35                 c.Check(err, check.Equals, ErrConstraintsNotSatisfiable)
  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: 2 * GiB}},
  47                 RuntimeConstraints: arvados.RuntimeConstraints{RAM: 12345, VCPUs: 1},
  48         })
  49 }
  50
  51 func (*NodeSizeSuite) TestChoose(c *check.C) {
  52         for _, menu := range [][]arvados.InstanceType{
  53                 {
  54                         {Price: 4.4, RAM: 4000000000, VCPUs: 8, Scratch: 2 * GiB, Name: "costly"},
  55                         {Price: 2.2, RAM: 2000000000, VCPUs: 4, Scratch: 2 * GiB, Name: "best"},
  56                         {Price: 1.1, RAM: 1000000000, VCPUs: 2, Scratch: 2 * GiB, Name: "small"},
  57                 },
  58                 {
  59                         {Price: 4.4, RAM: 4000000000, VCPUs: 8, Scratch: 2 * GiB, Name: "costly"},
  60                         {Price: 2.2, RAM: 2000000000, VCPUs: 4, Scratch: 2 * GiB, Name: "goodenough"},
  61                         {Price: 2.2, RAM: 4000000000, VCPUs: 4, Scratch: 2 * GiB, Name: "best"},
  62                         {Price: 1.1, RAM: 1000000000, VCPUs: 2, Scratch: 2 * GiB, Name: "small"},
  63                 },
  64                 {
  65                         {Price: 1.1, RAM: 1000000000, VCPUs: 2, Scratch: 2 * GiB, Name: "small"},
  66                         {Price: 2.2, RAM: 2000000000, VCPUs: 4, Scratch: 2 * GiB, Name: "goodenough"},
  67                         {Price: 2.2, RAM: 4000000000, VCPUs: 4, Scratch: 2 * GiB, Name: "best"},
  68                         {Price: 4.4, RAM: 4000000000, VCPUs: 8, Scratch: 2 * GiB, Name: "costly"},
  69                 },
  70                 {
  71                         {Price: 1.1, RAM: 1000000000, VCPUs: 2, Scratch: GiB, Name: "small"},
  72                         {Price: 2.2, RAM: 2000000000, VCPUs: 4, Scratch: GiB, Name: "nearly"},
  73                         {Price: 3.3, RAM: 4000000000, VCPUs: 4, Scratch: 2 * GiB, Name: "best"},
  74                         {Price: 4.4, RAM: 4000000000, VCPUs: 8, Scratch: 2 * GiB, Name: "costly"},
  75                 },
  76         } {
  77                 best, err := ChooseInstanceType(&arvados.Cluster{InstanceTypes: menu}, &arvados.Container{
  78                         Mounts: map[string]arvados.Mount{
  79                                 "/tmp": {Kind: "tmp", Capacity: 2 * GiB},
  80                         },
  81                         RuntimeConstraints: arvados.RuntimeConstraints{
  82                                 VCPUs:        2,
  83                                 RAM:          987654321,
  84                                 KeepCacheRAM: 123456789,
  85                         },
  86                 })
  87                 c.Check(err, check.IsNil)
  88                 c.Check(best.Name, check.Equals, "best")
  89                 c.Check(best.RAM >= 1234567890, check.Equals, true)
  90                 c.Check(best.VCPUs >= 2, check.Equals, true)
  91                 c.Check(best.Scratch >= 2*GiB, check.Equals, true)
  92         }
  93 }