+func (*NodeSizeSuite) TestMaximumPriceFactor(c *check.C) {
+ menu := map[string]arvados.InstanceType{
+ "best+7": {Price: 3.4, RAM: 8000000000, VCPUs: 8, Scratch: 64 * GiB, Name: "best+7"},
+ "best+5": {Price: 3.0, RAM: 8000000000, VCPUs: 8, Scratch: 16 * GiB, Name: "best+5"},
+ "best+3": {Price: 2.6, RAM: 4000000000, VCPUs: 8, Scratch: 16 * GiB, Name: "best+3"},
+ "best+2": {Price: 2.4, RAM: 4000000000, VCPUs: 8, Scratch: 4 * GiB, Name: "best+2"},
+ "best+1": {Price: 2.2, RAM: 2000000000, VCPUs: 4, Scratch: 4 * GiB, Name: "best+1"},
+ "best": {Price: 2.0, RAM: 2000000000, VCPUs: 4, Scratch: 2 * GiB, Name: "best"},
+ "small+1": {Price: 1.1, RAM: 1000000000, VCPUs: 2, Scratch: 16 * GiB, Name: "small+1"},
+ "small": {Price: 1.0, RAM: 2000000000, VCPUs: 2, Scratch: 1 * GiB, Name: "small"},
+ }
+ best, err := ChooseInstanceType(&arvados.Cluster{InstanceTypes: menu, Containers: arvados.ContainersConfig{
+ MaximumPriceFactor: 1.5,
+ }}, &arvados.Container{
+ Mounts: map[string]arvados.Mount{
+ "/tmp": {Kind: "tmp", Capacity: 2 * int64(GiB)},
+ },
+ RuntimeConstraints: arvados.RuntimeConstraints{
+ VCPUs: 2,
+ RAM: 987654321,
+ KeepCacheRAM: 123456789,
+ },
+ })
+ c.Assert(err, check.IsNil)
+ c.Assert(best, check.HasLen, 5)
+ c.Check(best[0].Name, check.Equals, "best") // best price is $2
+ c.Check(best[1].Name, check.Equals, "best+1")
+ c.Check(best[2].Name, check.Equals, "best+2")
+ c.Check(best[3].Name, check.Equals, "best+3")
+ c.Check(best[4].Name, check.Equals, "best+5") // max price is $2 * 1.5 = $3
+}
+
+func (*NodeSizeSuite) TestChooseWithBlobBuffersOverhead(c *check.C) {
+ menu := map[string]arvados.InstanceType{
+ "nearly": {Price: 2.2, RAM: 4000000000, VCPUs: 4, Scratch: 2 * GiB, Name: "small"},
+ "best": {Price: 3.3, RAM: 8000000000, VCPUs: 4, Scratch: 2 * GiB, Name: "best"},
+ "costly": {Price: 4.4, RAM: 12000000000, VCPUs: 8, Scratch: 2 * GiB, Name: "costly"},
+ }
+ best, err := ChooseInstanceType(&arvados.Cluster{InstanceTypes: menu, Containers: arvados.ContainersConfig{
+ LocalKeepBlobBuffersPerVCPU: 16, // 1 GiB per vcpu => 2 GiB
+ ReserveExtraRAM: 268435456,
+ }}, &arvados.Container{
+ Mounts: map[string]arvados.Mount{
+ "/tmp": {Kind: "tmp", Capacity: 2 * int64(GiB)},
+ },
+ RuntimeConstraints: arvados.RuntimeConstraints{
+ VCPUs: 2,
+ RAM: 987654321,
+ KeepCacheRAM: 123456789,
+ },
+ })
+ c.Check(err, check.IsNil)
+ c.Assert(best, check.HasLen, 1)
+ c.Check(best[0].Name, check.Equals, "best")
+}
+
+func (*NodeSizeSuite) TestChoosePreemptible(c *check.C) {