/
resources_test.go
835 lines (783 loc) · 30.6 KB
/
resources_test.go
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package mesos_test
import (
"fmt"
"testing"
"github.com/gogo/protobuf/proto"
"github.com/mesos/mesos-go/api/v1/lib"
"github.com/mesos/mesos-go/api/v1/lib/resourcefilters"
rez "github.com/mesos/mesos-go/api/v1/lib/resources"
. "github.com/mesos/mesos-go/api/v1/lib/resourcetest"
)
func TestResources_PrecisionRounding(t *testing.T) {
var (
cpu = Resources(Resource(Name("cpus"), ValueScalar(1.5015)))
r1 = cpu.Plus(cpu...).Plus(cpu...).Minus(cpu...).Minus(cpu...)
)
if !rez.Equivalent(cpu, r1) {
t.Fatalf("expected %v instead of %v", cpu, r1)
}
actual, ok := rez.CPUs(r1...)
if !(ok && actual == 1.502) {
t.Fatalf("expected 1.502 cpus instead of %v", actual)
}
}
func TestResources_PrecisionLost(t *testing.T) {
var (
cpu = Resources(Resource(Name("cpus"), ValueScalar(1.5011)))
r1 = cpu.Plus(cpu...).Plus(cpu...).Minus(cpu...).Minus(cpu...)
)
if !rez.Equivalent(cpu, r1) {
t.Fatalf("expected %v instead of %v", cpu, r1)
}
actual, ok := rez.CPUs(r1...)
if !(ok && actual == 1.501) {
t.Fatalf("expected 1.501 cpus instead of %v", actual)
}
}
func TestResources_PrecisionManyConsecutiveOps(t *testing.T) {
var (
start = Resources(Resource(Name("cpus"), ValueScalar(1.001)))
increment = start.Clone()
current = start.Clone()
)
for i := 0; i < 100000; i++ {
current.Add(increment...)
}
for i := 0; i < 100000; i++ {
current.Subtract(increment...)
}
if !rez.Equivalent(start, current) {
t.Fatalf("expected start %v == current %v", start, current)
}
}
func TestResources_PrecisionManyOps(t *testing.T) {
var (
start = Resources(Resource(Name("cpus"), ValueScalar(1.001)))
current = start.Clone()
next mesos.Resources
)
for i := 0; i < 2500; i++ {
next = current.Plus(current...).Plus(current...).Minus(current...).Minus(current...)
actual, ok := rez.CPUs(next...)
if !(ok && actual == 1.001) {
t.Fatalf("expected 1.001 cpus instead of %v", next)
}
if !rez.Equivalent(current, next) {
t.Fatalf("expected current %v == next %v", current, next)
}
if !rez.Equivalent(start, next) {
t.Fatalf("expected start %v == next %v", start, next)
}
}
}
func TestResources_PrecisionSimple(t *testing.T) {
var (
cpu = Resources(Resource(Name("cpus"), ValueScalar(1.001)))
zero = mesos.Resources{Resource(Name("cpus"), ValueScalar(0))} // don't validate
)
actual, ok := rez.CPUs(cpu...)
if !(ok && actual == 1.001) {
t.Errorf("expected 1.001 instead of %f", actual)
}
if x := cpu.Plus(zero...); !rez.Equivalent(x, cpu) {
t.Errorf("adding zero failed, expected '%v' instead of '%v'", cpu, x)
}
if y := cpu.Minus(zero...); !rez.Equivalent(y, cpu) {
t.Errorf("subtracting zero failed, expected '%v' instead of '%v'", cpu, y)
}
}
func TestResource_RevocableResources(t *testing.T) {
rs := mesos.Resources{
Resource(Name("cpus"), ValueScalar(1), Role("*"), Revocable()),
Resource(Name("cpus"), ValueScalar(1), Role("*")),
}
for i, tc := range []struct {
r1, wants mesos.Resources
}{
{Resources(rs[0]), Resources(rs[0])},
{Resources(rs[1]), Resources()},
{Resources(rs[0], rs[1]), Resources(rs[0])},
} {
x := resourcefilters.Select(resourcefilters.New(resourcefilters.Revocable), tc.r1...)
if !rez.Equivalent(tc.wants, x) {
t.Errorf("test case %d failed: expected %v instead of %v", i, tc.wants, x)
}
}
}
func TestResources_PersistentVolumes(t *testing.T) {
var (
rs = Resources(
Resource(Name("cpus"), ValueScalar(1)),
Resource(Name("mem"), ValueScalar(512)),
Resource(Name("disk"), ValueScalar(1000)),
)
disk = mesos.Resources{
Resource(Name("disk"), ValueScalar(10), Role("role1"), Disk("1", "path")),
Resource(Name("disk"), ValueScalar(20), Role("role2"), Disk("", "")),
}
)
rs.Add(disk...)
pv := resourcefilters.Select(resourcefilters.New(resourcefilters.PersistentVolumes), rs...)
if !rez.Equivalent(Resources(disk[0]), pv) {
t.Fatalf("expected %v instead of %v", Resources(disk[0]), pv)
}
}
func TestResource_IsEmpty(t *testing.T) {
for i, tc := range []struct {
r mesos.Resource
wants bool
}{
{Resource(), true},
{Resource(ValueScalar(0)), true},
{Resource(ValueSet()), true},
{Resource(ValueSet([]string{}...)), true},
{Resource(ValueSet()), true},
{Resource(ValueSet("")), false},
{Resource(ValueRange()), true},
{Resource(ValueRange(Span(0, 0))), false},
} {
actual := tc.r.IsEmpty()
Expect(t, tc.wants == actual, "test case %d failed: wants (%v) != actual (%v)", i, tc.wants, actual)
}
}
func TestResources_Minus(t *testing.T) {
disks := mesos.Resources{
Resource(Name("disk"), ValueScalar(10), Role("role"), Disk("", "path")),
Resource(Name("disk"), ValueScalar(10), Role("role"), Disk("", "")),
Resource(Name("disk"), ValueScalar(10), Role("role"), Disk("1", "path")),
Resource(Name("disk"), ValueScalar(10), Role("role"), Disk("2", "path")),
Resource(Name("disk"), ValueScalar(10), Role("role"), Disk("2", "path2")),
}
for i, tc := range []struct {
r1, r2 mesos.Resources
wants mesos.Resources
wantsCPU float64
wantsMemory uint64
}{
{r1: nil, r2: nil, wants: nil},
{r1: Resources(), r2: Resources(), wants: Resources()},
// simple scalars, same roles for everything
{
r1: Resources(
Resource(Name("cpus"), ValueScalar(50), Role("*")),
Resource(Name("mem"), ValueScalar(4096), Role("*")),
),
r2: Resources(
Resource(Name("cpus"), ValueScalar(0.5), Role("*")),
Resource(Name("mem"), ValueScalar(1024), Role("*")),
),
wants: Resources(
Resource(Name("cpus"), ValueScalar(49.5), Role("*")),
Resource(Name("mem"), ValueScalar(3072), Role("*")),
),
wantsCPU: 49.5,
wantsMemory: 3072,
},
// multi-role, scalar subtraction
{
r1: Resources(
Resource(Name("cpus"), ValueScalar(5), Role("role1")),
Resource(Name("cpus"), ValueScalar(3), Role("role2")),
),
r2: Resources(
Resource(Name("cpus"), ValueScalar(1), Role("role1")),
),
wants: Resources(
Resource(Name("cpus"), ValueScalar(4), Role("role1")),
Resource(Name("cpus"), ValueScalar(3), Role("role2")),
),
wantsCPU: 7,
},
// simple ranges, same roles, lower-edge overlap
{
r1: Resources(
Resource(Name("ports"), ValueRange(Span(20000, 40000)), Role("*")),
),
r2: Resources(
Resource(Name("ports"), ValueRange(Span(10000, 20000), Span(30000, 50000)), Role("*")),
),
wants: Resources(
Resource(Name("ports"), ValueRange(Span(20001, 29999)), Role("*")),
),
},
// simple ranges, same roles, single port/lower-edge
{
r1: Resources(
Resource(Name("ports"), ValueRange(Span(50000, 60000)), Role("*")),
),
r2: Resources(
Resource(Name("ports"), ValueRange(Span(50000, 50000)), Role("*")),
),
wants: Resources(
Resource(Name("ports"), ValueRange(Span(50001, 60000)), Role("*")),
),
},
// simple ranges, same roles, multi port/lower-edge
{
r1: Resources(
Resource(Name("ports"), ValueRange(Span(50000, 60000)), Role("*")),
),
r2: Resources(
Resource(Name("ports"), ValueRange(Span(50000, 50001)), Role("*")),
),
wants: Resources(
Resource(Name("ports"), ValueRange(Span(50002, 60000)), Role("*")),
),
},
// simple ranges, same roles, identical overlap
{
r1: Resources(
Resource(Name("ports"), ValueRange(Span(50000, 60000)), Role("*")),
),
r2: Resources(
Resource(Name("ports"), ValueRange(Span(50000, 60000)), Role("*")),
),
wants: Resources(),
},
// multiple ranges, same roles, swiss cheese
{
r1: Resources(
Resource(Name("ports"), ValueRange(Span(1, 10), Span(20, 30), Span(40, 50)), Role("*")),
),
r2: Resources(
Resource(Name("ports"), ValueRange(Span(2, 9), Span(15, 45), Span(48, 50)), Role("*")),
),
wants: Resources(
Resource(Name("ports"), ValueRange(Span(1, 1), Span(10, 10), Span(46, 47)), Role("*")),
),
},
// multiple ranges, same roles, no overlap
{
r1: Resources(
Resource(Name("ports"), ValueRange(Span(1, 10)), Role("*")),
),
r2: Resources(
Resource(Name("ports"), ValueRange(Span(11, 20)), Role("*")),
),
wants: Resources(
Resource(Name("ports"), ValueRange(Span(1, 10)), Role("*")),
),
},
// simple set, same roles
{
r1: Resources(
Resource(Name("disks"), ValueSet("sda1", "sda2", "sda3", "sda4"), Role("*")),
),
r2: Resources(
Resource(Name("disks"), ValueSet("sda2", "sda3", "sda4"), Role("*")),
),
wants: Resources(
Resource(Name("disks"), ValueSet("sda1"), Role("*")),
),
},
{r1: Resources(disks[0]), r2: Resources(disks[1]), wants: Resources()},
{r1: Resources(disks[2]), r2: Resources(disks[3]), wants: Resources(disks[2])},
{r1: Resources(disks[2]), r2: Resources(disks[2]), wants: Resources()},
{r1: Resources(disks[3]), r2: Resources(disks[4]), wants: Resources()},
// revocables
{
r1: Resources(Resource(Name("cpus"), ValueScalar(1), Role("*"), Revocable())),
r2: Resources(Resource(Name("cpus"), ValueScalar(1), Role("*"), Revocable())),
wants: Resources(),
},
{ // revocable - non-revocable is a noop
r1: Resources(Resource(Name("cpus"), ValueScalar(1), Role("*"), Revocable())),
r2: Resources(Resource(Name("cpus"), ValueScalar(1), Role("*"))),
wants: Resources(Resource(Name("cpus"), ValueScalar(1), Role("*"), Revocable())),
wantsCPU: 1,
},
// reserved (pre-refinement)
{
r1: Resources(
Resource(Name("cpus"), ValueScalar(8), Role("role")),
Resource(Name("cpus"), ValueScalar(8), Role("role"), Reservation(ReservedBy("principal"))),
),
r2: Resources(
Resource(Name("cpus"), ValueScalar(2), Role("role")),
Resource(Name("cpus"), ValueScalar(4), Role("role"), Reservation(ReservedBy("principal"))),
),
wants: Resources(
Resource(Name("cpus"), ValueScalar(6), Role("role")),
Resource(Name("cpus"), ValueScalar(4), Role("role"), Reservation(ReservedBy("principal"))),
),
wantsCPU: 10,
},
// reserved (post-refinement)
{
r1: Resources(
Resource(Name("cpus"), ValueScalar(8), Reservations(StaticReservation("role", ""))),
Resource(Name("cpus"), ValueScalar(8), Reservations(DynamicReservation("role", "principal"))),
),
r2: Resources(
Resource(Name("cpus"), ValueScalar(2), Reservations(StaticReservation("role", ""))),
Resource(Name("cpus"), ValueScalar(4), Reservations(DynamicReservation("role", "principal"))),
),
wants: Resources(
Resource(Name("cpus"), ValueScalar(6), Reservations(StaticReservation("role", ""))),
Resource(Name("cpus"), ValueScalar(4), Reservations(DynamicReservation("role", "principal"))),
),
wantsCPU: 10,
},
} {
backup := tc.r1.Clone()
// Minus preserves the left operand
actual := tc.r1.Minus(tc.r2...)
if !rez.Equivalent(tc.wants, actual) {
t.Errorf("test case %d failed: wants (%v) != actual (%v)", i, tc.wants, actual)
}
if !rez.Equivalent(backup, tc.r1) {
t.Errorf("test case %d failed: backup (%v) != r1 (%v)", i, backup, tc.r1)
}
// SubtractAll mutates the left operand
tc.r1.Subtract(tc.r2...)
if !rez.Equivalent(tc.wants, tc.r1) {
t.Errorf("test case %d failed: wants (%v) != r1 (%v)", i, tc.wants, tc.r1)
}
cpus, ok := rez.CPUs(tc.r1...)
if !ok && tc.wantsCPU > 0 {
t.Errorf("test case %d failed: failed to obtain total CPU resources", i)
} else if cpus != tc.wantsCPU {
t.Errorf("test case %d failed: wants cpu (%v) != r1 cpu (%v)", i, tc.wantsCPU, cpus)
}
mem, ok := rez.Memory(tc.r1...)
if !ok && tc.wantsMemory > 0 {
t.Errorf("test case %d failed: failed to obtain total memory resources", i)
} else if mem != tc.wantsMemory {
t.Errorf("test case %d failed: wants mem (%v) != r1 mem (%v)", i, tc.wantsMemory, mem)
}
t.Logf("substracting tc.r1 from itself\n")
tc.r1.Subtract(tc.r1...)
if len(tc.r1) > 0 {
t.Errorf("test case %d failed: r1 is not empty (%v)", i, tc.r1)
}
}
}
func TestResources_Plus(t *testing.T) {
disks := mesos.Resources{
Resource(Name("disk"), ValueScalar(10), Role("role"), Disk("", "path")),
Resource(Name("disk"), ValueScalar(10), Role("role"), Disk("", "")),
Resource(Name("disk"), ValueScalar(20), Role("role"), Disk("", "path")),
}
for i, tc := range []struct {
r1, r2 mesos.Resources
wants mesos.Resources
wantsCPU float64
wantsMemory uint64
}{
{r1: Resources(disks[0]), r2: Resources(disks[1]), wants: Resources(disks[2])},
{r1: nil, r2: nil, wants: nil},
{r1: Resources(), r2: Resources(), wants: Resources()},
// simple scalars, same roles for everything
{
r1: Resources(
Resource(Name("cpus"), ValueScalar(1), Role("*")),
Resource(Name("mem"), ValueScalar(5), Role("*")),
),
r2: Resources(
Resource(Name("cpus"), ValueScalar(2), Role("*")),
Resource(Name("mem"), ValueScalar(10), Role("*")),
),
wants: Resources(
Resource(Name("cpus"), ValueScalar(3), Role("*")),
Resource(Name("mem"), ValueScalar(15), Role("*")),
),
wantsCPU: 3,
wantsMemory: 15,
},
// simple scalars, differing roles
{
r1: Resources(
Resource(Name("cpus"), ValueScalar(1), Role("role1")),
Resource(Name("cpus"), ValueScalar(3), Role("role2")),
),
r2: Resources(
Resource(Name("cpus"), ValueScalar(5), Role("role1")),
),
wants: Resources(
Resource(Name("cpus"), ValueScalar(6), Role("role1")),
Resource(Name("cpus"), ValueScalar(3), Role("role2")),
),
wantsCPU: 9,
},
// ranges addition yields continuous range
{
r1: Resources(
Resource(Name("ports"), ValueRange(Span(20000, 40000)), Role("*")),
),
r2: Resources(
Resource(Name("ports"), ValueRange(Span(30000, 50000), Span(10000, 20000)), Role("*")),
),
wants: Resources(
Resource(Name("ports"), ValueRange(Span(10000, 50000)), Role("*")),
),
},
// ranges addition yields a split set of ranges
{
r1: Resources(
Resource(Name("ports"), ValueRange(Span(1, 10), Span(5, 30), Span(50, 60)), Role("*")),
Resource(Name("ports"), ValueRange(Span(1, 65), Span(70, 80)), Role("*")),
),
wants: Resources(
Resource(Name("ports"), ValueRange(Span(1, 65), Span(70, 80)), Role("*")),
),
},
// ranges addition (composite) yields a continuous range
{
r1: Resources(
Resource(Name("ports"), ValueRange(Span(1, 2)), Role("*")),
Resource(Name("ports"), ValueRange(Span(3, 4)), Role("*")),
),
r2: Resources(
Resource(Name("ports"), ValueRange(Span(7, 8)), Role("*")),
Resource(Name("ports"), ValueRange(Span(5, 6)), Role("*")),
),
wants: Resources(
Resource(Name("ports"), ValueRange(Span(1, 8)), Role("*")),
),
},
// ranges addition yields a split set of ranges
{
r1: Resources(
Resource(Name("ports"), ValueRange(Span(1, 4), Span(9, 10), Span(20, 22), Span(26, 30)), Role("*")),
),
r2: Resources(
Resource(Name("ports"), ValueRange(Span(5, 8), Span(23, 25)), Role("*")),
),
wants: Resources(
Resource(Name("ports"), ValueRange(Span(1, 10), Span(20, 30)), Role("*")),
),
},
// set addition
{
r1: Resources(
Resource(Name("disks"), ValueSet("sda1", "sda2", "sda3"), Role("*")),
),
r2: Resources(
Resource(Name("disks"), ValueSet("sda1", "sda2", "sda3", "sda4"), Role("*")),
),
wants: Resources(
Resource(Name("disks"), ValueSet("sda4", "sda2", "sda1", "sda3"), Role("*")),
),
},
// revocables
{
r1: Resources(Resource(Name("cpus"), ValueScalar(1), Role("*"), Revocable())),
r2: Resources(Resource(Name("cpus"), ValueScalar(1), Role("*"), Revocable())),
wants: Resources(Resource(Name("cpus"), ValueScalar(2), Role("*"), Revocable())),
wantsCPU: 2,
},
// statically reserved (pre-refinement)
{
r1: Resources(Resource(Name("cpus"), ValueScalar(8), Role("role"))),
r2: Resources(Resource(Name("cpus"), ValueScalar(4), Role("role"))),
wants: Resources(Resource(Name("cpus"), ValueScalar(12), Role("role"))),
wantsCPU: 12,
},
// dynamically reserved (pre-refinement)
{
r1: Resources(Resource(Name("cpus"), ValueScalar(8), Role("role"), Reservation(ReservedBy("principal")))),
r2: Resources(Resource(Name("cpus"), ValueScalar(4), Role("role"), Reservation(ReservedBy("principal")))),
wants: Resources(Resource(Name("cpus"), ValueScalar(12), Role("role"), Reservation(ReservedBy("principal")))),
wantsCPU: 12,
},
// statically reserved (post-refinement)
{
r1: Resources(Resource(Name("cpus"), ValueScalar(8), Reservations(StaticReservation("role", "")))),
r2: Resources(Resource(Name("cpus"), ValueScalar(4), Reservations(StaticReservation("role", "")))),
wants: Resources(Resource(Name("cpus"), ValueScalar(12), Reservations(StaticReservation("role", "")))),
wantsCPU: 12,
},
// dynamically reserved (post-refinement)
{
r1: Resources(Resource(Name("cpus"), ValueScalar(8), Reservations(DynamicReservation("role", "principal")))),
r2: Resources(Resource(Name("cpus"), ValueScalar(4), Reservations(DynamicReservation("role", "principal")))),
wants: Resources(Resource(Name("cpus"), ValueScalar(12), Reservations(DynamicReservation("role", "principal")))),
wantsCPU: 12,
},
// dynamically reserved (post-refinement), same labels
{
r1: Resources(Resource(Name("cpus"), ValueScalar(8), Reservations(DynamicReservation("role", "principal", Label("a", "b"))))),
r2: Resources(Resource(Name("cpus"), ValueScalar(4), Reservations(DynamicReservation("role", "principal", Label("a", "b"))))),
wants: Resources(Resource(Name("cpus"), ValueScalar(12), Reservations(DynamicReservation("role", "principal", Label("a", "b"))))),
wantsCPU: 12,
},
// dynamically reserved (post-refinement), different labels
{
r1: Resources(Resource(Name("cpus"), ValueScalar(8), Reservations(DynamicReservation("role", "principal", Label("a", "b"))))),
r2: Resources(Resource(Name("cpus"), ValueScalar(4), Reservations(DynamicReservation("role", "principal", Label("a", "e"))))),
wants: Resources(
Resource(Name("cpus"), ValueScalar(8), Reservations(DynamicReservation("role", "principal", Label("a", "b")))),
Resource(Name("cpus"), ValueScalar(4), Reservations(DynamicReservation("role", "principal", Label("a", "e")))),
),
wantsCPU: 12,
},
} {
backup := tc.r1.Clone()
// Plus preserves the left operand
actual := tc.r1.Plus(tc.r2...)
if !rez.Equivalent(tc.wants, actual) {
t.Errorf("test case %d failed: wants (%v) != actual (%v)", i, tc.wants, actual)
}
if !rez.Equivalent(backup, tc.r1) {
t.Errorf("test case %d failed: backup (%v) != r1 (%v)", i, backup, tc.r1)
}
// Add mutates the left operand
tc.r1.Add(tc.r2...)
if !rez.Equivalent(tc.wants, tc.r1) {
t.Errorf("test case %d failed: wants (%v) != r1 (%v)", i, tc.wants, tc.r1)
}
cpus, ok := rez.CPUs(tc.r1...)
if !ok && tc.wantsCPU > 0 {
t.Errorf("test case %d failed: failed to obtain total CPU resources", i)
} else if cpus != tc.wantsCPU {
t.Errorf("test case %d failed: wants cpu (%v) != r1 cpu (%v)", i, tc.wantsCPU, cpus)
}
mem, ok := rez.Memory(tc.r1...)
if !ok && tc.wantsMemory > 0 {
t.Errorf("test case %d failed: failed to obtain total memory resources", i)
} else if mem != tc.wantsMemory {
t.Errorf("test case %d failed: wants mem (%v) != r1 mem (%v)", i, tc.wantsMemory, mem)
}
}
}
func TestDiskTypeIdentityProfile(t *testing.T) {
var (
id = "id"
profile = "profile"
)
for ti, tc := range []struct {
t mesos.Resource_DiskInfo_Source_Type
hasID bool
hasProfile bool
}{
{t: mesos.Resource_DiskInfo_Source_RAW, hasID: false, hasProfile: false},
{t: mesos.Resource_DiskInfo_Source_RAW, hasID: false, hasProfile: true},
{t: mesos.Resource_DiskInfo_Source_RAW, hasID: true, hasProfile: false},
{t: mesos.Resource_DiskInfo_Source_RAW, hasID: true, hasProfile: true},
{t: mesos.Resource_DiskInfo_Source_BLOCK, hasID: false, hasProfile: false},
{t: mesos.Resource_DiskInfo_Source_BLOCK, hasID: false, hasProfile: true},
{t: mesos.Resource_DiskInfo_Source_BLOCK, hasID: true, hasProfile: false},
{t: mesos.Resource_DiskInfo_Source_BLOCK, hasID: true, hasProfile: true},
{t: mesos.Resource_DiskInfo_Source_MOUNT, hasID: false, hasProfile: false},
{t: mesos.Resource_DiskInfo_Source_MOUNT, hasID: false, hasProfile: true},
{t: mesos.Resource_DiskInfo_Source_MOUNT, hasID: true, hasProfile: false},
{t: mesos.Resource_DiskInfo_Source_MOUNT, hasID: true, hasProfile: true},
{t: mesos.Resource_DiskInfo_Source_PATH, hasID: false, hasProfile: false},
{t: mesos.Resource_DiskInfo_Source_PATH, hasID: false, hasProfile: true},
{t: mesos.Resource_DiskInfo_Source_PATH, hasID: true, hasProfile: false},
{t: mesos.Resource_DiskInfo_Source_PATH, hasID: true, hasProfile: true},
} {
t.Run(fmt.Sprintf("test case %d", ti), func(t *testing.T) {
disk1 := Resource(Name("disk"), ValueScalar(1), Role("*"), DiskWithSource("", "", "", tc.t))
if tc.hasID {
disk1.GetDisk().GetSource().ID = &id
}
if tc.hasProfile {
disk1.GetDisk().GetSource().Profile = &profile
}
r1 := Resources(disk1)
if !rez.Contains(r1, disk1) {
t.Errorf("expected %v to contain %v", r1, disk1)
}
disk2 := Resource(Name("disk"), ValueScalar(2), Role("*"), DiskWithSource("", "", "", tc.t))
disk2.Disk.Source = proto.Clone(disk1.Disk.Source).(*mesos.Resource_DiskInfo_Source)
r2 := Resources(disk2)
r3 := r1.Plus(r1...)
sz := len(r3)
switch tc.t {
case mesos.Resource_DiskInfo_Source_RAW:
if tc.hasID {
// `RAW` resources with source identity cannot be added or split.
assertf(t, !rez.ContainsAll(r2, r1), "expected %v to NOT contain %v", r2, r1)
assertf(t, !rez.Equivalent(r2, r3), "expected r2 != r1+r1")
assertf(t, sz == 2, "expected size(r1+r1) == 2 instead of %d", sz)
} else {
// `RAW` resources without source identity can be added and split.
assertf(t, rez.ContainsAll(r2, r1), "expected %v to contain %v", r2, r1)
assertf(t, rez.Equivalent(r2, r3), "expected r2 == r1+r1")
assertf(t, sz == 1, "expected size(r1+r1) == 1 instead of %d", sz)
}
case mesos.Resource_DiskInfo_Source_BLOCK,
mesos.Resource_DiskInfo_Source_MOUNT:
// `BLOCK` or `MOUNT` resources cannot be added or split,
// regardless of identity.
assertf(t, !rez.ContainsAll(r2, r1), "expected %v to NOT contain %v", r2, r1)
assertf(t, !rez.Equivalent(r2, r3), "expected r2 != r1+r1")
assertf(t, sz == 2, "expected size(r1+r1) == 2 instead of %d", sz)
case mesos.Resource_DiskInfo_Source_PATH:
// `PATH` resources can be added and split, regardless of identity.
assertf(t, rez.ContainsAll(r2, r1), "expected %v to contain %v", r2, r1)
assertf(t, rez.Equivalent(r2, r3), "expected r2 == r1+r1")
assertf(t, sz == 1, "expected size(r1+r1) == 1 instead of %d", sz)
case mesos.Resource_DiskInfo_Source_UNKNOWN:
t.Fatalf("unexpected disk source type: UNKNOWN")
}
})
}
}
func assertf(t *testing.T, cond bool, msg string, args ...interface{}) {
if !cond {
t.Errorf(msg, args...)
}
}
func TestPushReservation(t *testing.T) {
var (
ports = Resource(Name("ports"), ValueRange(Span(20000, 40000)))
ri = StaticReservation("role", "bob")
reservedPorts = Resource(Name("ports"), ValueRange(Span(20000, 40000)), Reservations(ri))
r1, r2 = Resources(ports), Resources(reservedPorts)
)
r3 := r1.PushReservation(ri)
if !rez.Equivalent(r3, r2) {
t.Errorf("push resv failed, expected %q instead of %q", r2, r3)
}
}
func TestPopReservation(t *testing.T) {
var (
ports = Resource(Name("ports"), ValueRange(Span(20000, 40000)))
ri = StaticReservation("role", "bob")
reservedPorts = Resource(Name("ports"), ValueRange(Span(20000, 40000)), Reservations(ri))
r1, r2 = Resources(ports), Resources(reservedPorts)
)
r3 := r2.PopReservation()
if !rez.Equivalent(r3, r1) {
t.Errorf("pop resv failed, expected %q instead of %q", r1, r3)
}
}
func TestReservedResources_Validation(t *testing.T) {
for ti, tc := range []struct {
r mesos.Resource
wantsErr bool
}{
{r: Resource(Name("cpus"), ValueScalar(8), Reservations())}, // unreserved
// refinements format only
{r: Resource(Name("cpus"), ValueScalar(8), Reservations(StaticReservation("role", "")))},
{r: Resource(Name("cpus"), ValueScalar(8), Reservations(StaticReservation("role", "principal")))},
{r: Resource(Name("cpus"), ValueScalar(8), Reservations(DynamicReservation("role", "")))},
{r: Resource(Name("cpus"), ValueScalar(8), Reservations(DynamicReservation("role", "principal")))},
{r: Resource(Name("cpus"), ValueScalar(8), Reservations(DynamicReservation("role", "", Label("a", "b"))))},
{r: Resource(Name("cpus"), ValueScalar(8), Reservations(DynamicReservation("role", "principal", Label("a", "b"))))},
// STATIC refined w/ DYNAMIC
{r: Resource(Name("cpus"), ValueScalar(8), Reservations(
StaticReservation("role", ""),
DynamicReservation("role/subrole", ""),
))},
// DYNAMIC refined w/ DYNAMIC
{r: Resource(Name("cpus"), ValueScalar(8), Reservations(
DynamicReservation("role", ""),
DynamicReservation("role/subrole", ""),
))},
// rejected: DYNAMIC refined w/ STATIC
{r: Resource(Name("cpus"), ValueScalar(8), Reservations(
DynamicReservation("role", ""),
StaticReservation("role/subrole", ""),
)), wantsErr: true},
// rejected: STATIC refined w/ DYNAMIC, same role
{r: Resource(Name("cpus"), ValueScalar(8), Reservations(
StaticReservation("role", ""),
DynamicReservation("role", ""),
)), wantsErr: true},
// rejected: STATIC refined w/ DYNAMIC, orthogonal roles
{r: Resource(Name("cpus"), ValueScalar(8), Reservations(
StaticReservation("role1", ""),
DynamicReservation("role2", ""),
)), wantsErr: true},
// rejected: role is always required
{r: Resource(Name("cpus"), ValueScalar(8), Reservations(StaticReservation("", ""))), wantsErr: true},
{r: Resource(Name("cpus"), ValueScalar(8), Reservations(StaticReservation("", "principal"))), wantsErr: true},
{r: Resource(Name("cpus"), ValueScalar(8), Reservations(DynamicReservation("", ""))), wantsErr: true},
{r: Resource(Name("cpus"), ValueScalar(8), Reservations(DynamicReservation("", "principal"))), wantsErr: true},
{r: Resource(Name("cpus"), ValueScalar(8), Reservations(DynamicReservation("", "", Label("a", "b")))), wantsErr: true},
{r: Resource(Name("cpus"), ValueScalar(8), Reservations(DynamicReservation("", "principal", Label("a", "b")))), wantsErr: true},
// must not mix pre- and post-refinement formats w/ STATIC
{r: Resource(Name("cpus"), ValueScalar(8), Role("role"),
Reservation(ReservedBy("principal")), Reservations(StaticReservation("role", "principal"))), wantsErr: true},
// DYNAMIC allows redundant pre- and post-refinement formats if they match
{r: Resource(Name("cpus"), ValueScalar(8), Role("role"),
Reservation(ReservedBy("principal")), Reservations(DynamicReservation("role", "principal")))},
// DYNAMIC rejects redundant pre- and post-refinement formats w/ refinements
{r: Resource(Name("cpus"), ValueScalar(8), Role("role/a"),
Reservation(ReservedBy("principal")),
Reservations(
DynamicReservation("role", "principal"),
DynamicReservation("role/a", "principal"),
),
), wantsErr: true},
// DYNAMIC rejects redundant pre- and post-refinement formats if roles are different
{r: Resource(Name("cpus"), ValueScalar(8), Role("role1"),
Reservation(ReservedBy("principal")), Reservations(DynamicReservation("role2", "principal"))), wantsErr: true},
// DYNAMIC rejects redundant pre- and post-refinement formats if principals are different
{r: Resource(Name("cpus"), ValueScalar(8), Role("role"),
Reservation(ReservedBy("principal1")), Reservations(DynamicReservation("role", "principal2"))), wantsErr: true},
// DYNAMIC rejects redundant pre- and post-refinement formats if labels are different
{r: Resource(Name("cpus"), ValueScalar(8), Role("role"),
Reservation(ReservedBy("principal")), Reservations(DynamicReservation("role", "principal", Label("a", "b")))), wantsErr: true},
} {
err := tc.r.Validate()
if tc.wantsErr != (err != nil) {
if tc.wantsErr {
// expected failure
t.Errorf("test case %d failed: expected validation failure for %v", ti, tc.r)
} else {
// unexpected failure
t.Errorf("test case %d failed: unexpected validation error for %v: %+v", ti, tc.r, err)
}
}
}
}
func TestReservedResources_Equivalence(t *testing.T) {
var (
label1 = Label("foo", "bar")
label2 = Label("foo", "baz")
unique = []mesos.Resource{
Resource(Name("cpus"), ValueScalar(8)), // unreserved
// statically reserved for role (pre-refinement); for now these are considered unique from the
// post-refinement formatted resources.
Resource(Name("cpus"), ValueScalar(8), Role("role1")),
Resource(Name("cpus"), ValueScalar(8), Role("role2")),
// dynamically reserved for role (pre-refinement); for now these are considered unique from the
// post-refinement formatted resources.
Resource(Name("cpus"), ValueScalar(8), Role("role1"), Reservation(ReservedBy("principal1"))),
Resource(Name("cpus"), ValueScalar(8), Role("role1"), Reservation(ReservedBy("principal2"))),
Resource(Name("cpus"), ValueScalar(8), Role("role2"), Reservation(ReservedBy("principal1"))),
Resource(Name("cpus"), ValueScalar(8), Role("role2"), Reservation(ReservedBy("principal2"))),
// dynamically reserved for role, both pre-refinement and post-refinement; for now these are
// considered unique from the post-refinement resources.
Resource(Name("cpus"), ValueScalar(8), Role("role1"),
Reservation(ReservedBy("principal1")),
Reservations(DynamicReservation("role1", "principal1")),
),
// statically reserved for role
Resource(Name("cpus"), ValueScalar(8), Reservations(StaticReservation("role1", ""))),
Resource(Name("cpus"), ValueScalar(8), Reservations(StaticReservation("role2", ""))),
// dynamically reserved for role
Resource(Name("cpus"), ValueScalar(8), Reservations(DynamicReservation("role1", "principal1"))),
Resource(Name("cpus"), ValueScalar(8), Reservations(DynamicReservation("role1", "principal2"))),
Resource(Name("cpus"), ValueScalar(8), Reservations(DynamicReservation("role2", "principal1"))),
Resource(Name("cpus"), ValueScalar(8), Reservations(DynamicReservation("role2", "principal2"))),
// dynamically reserved for role w/ labels
Resource(Name("cpus"), ValueScalar(8), Reservations(DynamicReservation("role1", "principal2", label1))),
Resource(Name("cpus"), ValueScalar(8), Reservations(DynamicReservation("role1", "principal2", label2))),
}
)
// test that all resources in `unique` are considered different
for i := range unique {
left := &unique[i]
// sanity check for our test subjects
if err := left.Validate(); err != nil {
t.Fatal(err)
}
for j := range unique {
left := &unique[i]
if i == j {
if !left.Equivalent(unique[j]) {
t.Errorf("equivalence failed for identical resources: %q", left)
}
continue
}
if left.Equivalent(unique[j]) {
t.Errorf("unexpected equivalence for resources: %v and %v", left, unique[j])
}
}
}
}