open-nomad/nomad/structs/funcs_test.go

378 lines
7.3 KiB
Go

package structs
import (
"fmt"
"regexp"
"testing"
lru "github.com/hashicorp/golang-lru"
"github.com/stretchr/testify/assert"
)
func TestRemoveAllocs(t *testing.T) {
l := []*Allocation{
&Allocation{ID: "foo"},
&Allocation{ID: "bar"},
&Allocation{ID: "baz"},
&Allocation{ID: "zip"},
}
out := RemoveAllocs(l, []*Allocation{l[1], l[3]})
if len(out) != 2 {
t.Fatalf("bad: %#v", out)
}
if out[0].ID != "foo" && out[1].ID != "baz" {
t.Fatalf("bad: %#v", out)
}
}
func TestFilterTerminalAllocs(t *testing.T) {
l := []*Allocation{
&Allocation{
ID: "bar",
Name: "myname1",
DesiredStatus: AllocDesiredStatusEvict,
},
&Allocation{ID: "baz", DesiredStatus: AllocDesiredStatusStop},
&Allocation{
ID: "foo",
DesiredStatus: AllocDesiredStatusRun,
ClientStatus: AllocClientStatusPending,
},
&Allocation{
ID: "bam",
Name: "myname",
DesiredStatus: AllocDesiredStatusRun,
ClientStatus: AllocClientStatusComplete,
CreateIndex: 5,
},
&Allocation{
ID: "lol",
Name: "myname",
DesiredStatus: AllocDesiredStatusRun,
ClientStatus: AllocClientStatusComplete,
CreateIndex: 2,
},
}
out, terminalAllocs := FilterTerminalAllocs(l)
if len(out) != 1 {
t.Fatalf("bad: %#v", out)
}
if out[0].ID != "foo" {
t.Fatalf("bad: %#v", out)
}
if len(terminalAllocs) != 3 {
for _, o := range terminalAllocs {
fmt.Printf("%#v \n", o)
}
t.Fatalf("bad: %#v", terminalAllocs)
}
if terminalAllocs["myname"].ID != "bam" {
t.Fatalf("bad: %#v", terminalAllocs["myname"])
}
}
func TestAllocsFit_PortsOvercommitted(t *testing.T) {
n := &Node{
Resources: &Resources{
Networks: []*NetworkResource{
&NetworkResource{
Device: "eth0",
CIDR: "10.0.0.0/8",
MBits: 100,
},
},
},
}
a1 := &Allocation{
Job: &Job{
TaskGroups: []*TaskGroup{
{
Name: "web",
EphemeralDisk: DefaultEphemeralDisk(),
},
},
},
TaskResources: map[string]*Resources{
"web": &Resources{
Networks: []*NetworkResource{
&NetworkResource{
Device: "eth0",
IP: "10.0.0.1",
MBits: 50,
ReservedPorts: []Port{{"main", 8000}},
},
},
},
},
}
// Should fit one allocation
fit, dim, _, err := AllocsFit(n, []*Allocation{a1}, nil)
if err != nil {
t.Fatalf("err: %v", err)
}
if !fit {
t.Fatalf("Bad: %s", dim)
}
// Should not fit second allocation
fit, _, _, err = AllocsFit(n, []*Allocation{a1, a1}, nil)
if err != nil {
t.Fatalf("err: %v", err)
}
if fit {
t.Fatalf("Bad")
}
}
func TestAllocsFit(t *testing.T) {
n := &Node{
Resources: &Resources{
CPU: 2000,
MemoryMB: 2048,
DiskMB: 10000,
IOPS: 100,
Networks: []*NetworkResource{
&NetworkResource{
Device: "eth0",
CIDR: "10.0.0.0/8",
MBits: 100,
},
},
},
Reserved: &Resources{
CPU: 1000,
MemoryMB: 1024,
DiskMB: 5000,
IOPS: 50,
Networks: []*NetworkResource{
&NetworkResource{
Device: "eth0",
IP: "10.0.0.1",
MBits: 50,
ReservedPorts: []Port{{"main", 80}},
},
},
},
}
a1 := &Allocation{
Resources: &Resources{
CPU: 1000,
MemoryMB: 1024,
DiskMB: 5000,
IOPS: 50,
Networks: []*NetworkResource{
&NetworkResource{
Device: "eth0",
IP: "10.0.0.1",
MBits: 50,
ReservedPorts: []Port{{"main", 8000}},
},
},
},
}
// Should fit one allocation
fit, _, used, err := AllocsFit(n, []*Allocation{a1}, nil)
if err != nil {
t.Fatalf("err: %v", err)
}
if !fit {
t.Fatalf("Bad")
}
// Sanity check the used resources
if used.CPU != 2000 {
t.Fatalf("bad: %#v", used)
}
if used.MemoryMB != 2048 {
t.Fatalf("bad: %#v", used)
}
// Should not fit second allocation
fit, _, used, err = AllocsFit(n, []*Allocation{a1, a1}, nil)
if err != nil {
t.Fatalf("err: %v", err)
}
if fit {
t.Fatalf("Bad")
}
// Sanity check the used resources
if used.CPU != 3000 {
t.Fatalf("bad: %#v", used)
}
if used.MemoryMB != 3072 {
t.Fatalf("bad: %#v", used)
}
}
func TestScoreFit(t *testing.T) {
node := &Node{}
node.Resources = &Resources{
CPU: 4096,
MemoryMB: 8192,
}
node.Reserved = &Resources{
CPU: 2048,
MemoryMB: 4096,
}
// Test a perfect fit
util := &Resources{
CPU: 2048,
MemoryMB: 4096,
}
score := ScoreFit(node, util)
if score != 18.0 {
t.Fatalf("bad: %v", score)
}
// Test the worst fit
util = &Resources{
CPU: 0,
MemoryMB: 0,
}
score = ScoreFit(node, util)
if score != 0.0 {
t.Fatalf("bad: %v", score)
}
// Test a mid-case scenario
util = &Resources{
CPU: 1024,
MemoryMB: 2048,
}
score = ScoreFit(node, util)
if score < 10.0 || score > 16.0 {
t.Fatalf("bad: %v", score)
}
}
func TestGenerateUUID(t *testing.T) {
prev := GenerateUUID()
for i := 0; i < 100; i++ {
id := GenerateUUID()
if prev == id {
t.Fatalf("Should get a new ID!")
}
matched, err := regexp.MatchString(
"[\\da-f]{8}-[\\da-f]{4}-[\\da-f]{4}-[\\da-f]{4}-[\\da-f]{12}", id)
if !matched || err != nil {
t.Fatalf("expected match %s %v %s", id, matched, err)
}
}
}
func TestACLPolicyListHash(t *testing.T) {
h1 := ACLPolicyListHash(nil)
assert.NotEqual(t, "", h1)
p1 := &ACLPolicy{
Name: fmt.Sprintf("policy-%s", GenerateUUID()),
Description: "Super cool policy!",
Rules: `
namespace "default" {
policy = "write"
}
node {
policy = "read"
}
agent {
policy = "read"
}
`,
CreateIndex: 10,
ModifyIndex: 20,
}
h2 := ACLPolicyListHash([]*ACLPolicy{p1})
assert.NotEqual(t, "", h2)
assert.NotEqual(t, h1, h2)
// Create P2 as copy of P1 with new name
p2 := &ACLPolicy{}
*p2 = *p1
p2.Name = fmt.Sprintf("policy-%s", GenerateUUID())
h3 := ACLPolicyListHash([]*ACLPolicy{p1, p2})
assert.NotEqual(t, "", h3)
assert.NotEqual(t, h2, h3)
h4 := ACLPolicyListHash([]*ACLPolicy{p2})
assert.NotEqual(t, "", h4)
assert.NotEqual(t, h3, h4)
// ModifyIndex should change the hash
p2.ModifyIndex++
h5 := ACLPolicyListHash([]*ACLPolicy{p2})
assert.NotEqual(t, "", h5)
assert.NotEqual(t, h4, h5)
}
func TestCompileACLObject(t *testing.T) {
p1 := &ACLPolicy{
Name: fmt.Sprintf("policy-%s", GenerateUUID()),
Description: "Super cool policy!",
Rules: `
namespace "default" {
policy = "write"
}
node {
policy = "read"
}
agent {
policy = "read"
}
`,
CreateIndex: 10,
ModifyIndex: 20,
}
// Create P2 as copy of P1 with new name
p2 := &ACLPolicy{}
*p2 = *p1
p2.Name = fmt.Sprintf("policy-%s", GenerateUUID())
// Create a small cache
cache, err := lru.New2Q(16)
assert.Nil(t, err)
// Test compilation
aclObj, err := CompileACLObject(cache, []*ACLPolicy{p1})
assert.Nil(t, err)
assert.NotNil(t, aclObj)
// Should get the same object
aclObj2, err := CompileACLObject(cache, []*ACLPolicy{p1})
assert.Nil(t, err)
if aclObj != aclObj2 {
t.Fatalf("expected the same object")
}
// Should get another object
aclObj3, err := CompileACLObject(cache, []*ACLPolicy{p1, p2})
assert.Nil(t, err)
assert.NotNil(t, aclObj3)
if aclObj == aclObj3 {
t.Fatalf("unexpected same object")
}
// Should be order independent
aclObj4, err := CompileACLObject(cache, []*ACLPolicy{p2, p1})
assert.Nil(t, err)
assert.NotNil(t, aclObj4)
if aclObj3 != aclObj4 {
t.Fatalf("expected same object")
}
}