open-nomad/nomad/util_test.go

301 lines
7.2 KiB
Go

// Copyright (c) HashiCorp, Inc.
// SPDX-License-Identifier: MPL-2.0
package nomad
import (
"net"
"reflect"
"testing"
version "github.com/hashicorp/go-version"
"github.com/hashicorp/nomad/ci"
"github.com/hashicorp/nomad/helper/uuid"
"github.com/hashicorp/serf/serf"
"github.com/stretchr/testify/require"
)
func TestIsNomadServer(t *testing.T) {
ci.Parallel(t)
m := serf.Member{
Name: "foo",
Addr: net.IP([]byte{127, 0, 0, 1}),
Status: serf.StatusAlive,
Tags: map[string]string{
"role": "nomad",
"region": "aws",
"dc": "east-aws",
"rpc_addr": "1.1.1.1",
"port": "10000",
"vsn": "1",
"raft_vsn": "2",
"build": "0.7.0+ent",
"nonvoter": "1",
},
}
valid, parts := isNomadServer(m)
if !valid || parts.Region != "aws" ||
parts.Datacenter != "east-aws" || parts.Port != 10000 {
t.Fatalf("bad: %v %v", valid, parts)
}
if parts.Name != "foo" {
t.Fatalf("bad: %v", parts)
}
if parts.Bootstrap {
t.Fatalf("unexpected bootstrap")
}
if parts.Expect != 0 {
t.Fatalf("bad: %v", parts.Expect)
}
if parts.Status != serf.StatusAlive {
t.Fatalf("bad: %v", parts.Status)
}
if parts.RaftVersion != 2 {
t.Fatalf("bad: %v", parts.RaftVersion)
}
if parts.RPCAddr.String() != "1.1.1.1:10000" {
t.Fatalf("bad: %v", parts.RPCAddr.String())
}
require.Equal(t, 1, parts.MajorVersion)
if seg := parts.Build.Segments(); len(seg) != 3 {
t.Fatalf("bad: %v", parts.Build)
} else if seg[0] != 0 && seg[1] != 7 && seg[2] != 0 {
t.Fatalf("bad: %v", parts.Build)
}
if !parts.NonVoter {
t.Fatalf("should be nonvoter")
}
m.Tags["bootstrap"] = "1"
valid, parts = isNomadServer(m)
if !valid || !parts.Bootstrap {
t.Fatalf("expected bootstrap")
}
if parts.Addr.String() != "127.0.0.1:10000" {
t.Fatalf("bad addr: %v", parts.Addr)
}
m.Tags["expect"] = "3"
delete(m.Tags, "bootstrap")
valid, parts = isNomadServer(m)
if !valid || parts.Expect != 3 {
t.Fatalf("bad: %v", parts.Expect)
}
delete(m.Tags, "nonvoter")
valid, parts = isNomadServer(m)
if !valid || parts.NonVoter {
t.Fatalf("should be a voter")
}
}
func TestServersMeetMinimumVersionExcludingFailed(t *testing.T) {
ci.Parallel(t)
cases := []struct {
members []serf.Member
ver *version.Version
expected bool
}{
// One server, meets reqs
{
members: []serf.Member{
makeMember("0.7.5", serf.StatusAlive),
},
ver: version.Must(version.NewVersion("0.7.5")),
expected: true,
},
// One server in dev, meets reqs
{
members: []serf.Member{
makeMember("0.8.5-dev", serf.StatusAlive),
},
ver: version.Must(version.NewVersion("0.7.5")),
expected: true,
},
// One server with meta, meets reqs
{
members: []serf.Member{
makeMember("0.7.5+ent", serf.StatusAlive),
},
ver: version.Must(version.NewVersion("0.7.5")),
expected: true,
},
// One server, doesn't meet reqs
{
members: []serf.Member{
makeMember("0.7.5", serf.StatusAlive),
},
ver: version.Must(version.NewVersion("0.8.0")),
expected: false,
},
// Multiple servers, meets req version, includes failed that doesn't meet req
{
members: []serf.Member{
makeMember("0.7.5", serf.StatusAlive),
makeMember("0.8.0", serf.StatusAlive),
makeMember("0.7.0", serf.StatusFailed),
},
ver: version.Must(version.NewVersion("0.7.5")),
expected: true,
},
// Multiple servers, doesn't meet req version
{
members: []serf.Member{
makeMember("0.7.5", serf.StatusAlive),
makeMember("0.8.0", serf.StatusAlive),
},
ver: version.Must(version.NewVersion("0.8.0")),
expected: false,
},
}
for _, tc := range cases {
result := ServersMeetMinimumVersion(tc.members, AllRegions, tc.ver, false)
if result != tc.expected {
t.Fatalf("bad: %v, %v, %v", result, tc.ver.String(), tc)
}
}
}
func TestServersMeetMinimumVersionIncludingFailed(t *testing.T) {
ci.Parallel(t)
cases := []struct {
members []serf.Member
ver *version.Version
expected bool
}{
// Multiple servers, meets req version
{
members: []serf.Member{
makeMember("0.7.5", serf.StatusAlive),
makeMember("0.8.0", serf.StatusAlive),
makeMember("0.7.5", serf.StatusFailed),
},
ver: version.Must(version.NewVersion("0.7.5")),
expected: true,
},
// Multiple servers, doesn't meet req version
{
members: []serf.Member{
makeMember("0.7.5", serf.StatusAlive),
makeMember("0.8.0", serf.StatusAlive),
makeMember("0.7.0", serf.StatusFailed),
},
ver: version.Must(version.NewVersion("0.7.5")),
expected: false,
},
}
for _, tc := range cases {
result := ServersMeetMinimumVersion(tc.members, AllRegions, tc.ver, true)
if result != tc.expected {
t.Fatalf("bad: %v, %v, %v", result, tc.ver.String(), tc)
}
}
}
func TestServersMeetMinimumVersionSuffix(t *testing.T) {
ci.Parallel(t)
cases := []struct {
members []serf.Member
ver *version.Version
expected bool
}{
// Multiple servers, meets req version
{
members: []serf.Member{
makeMember("1.3.0", serf.StatusAlive),
makeMember("1.2.6", serf.StatusAlive),
makeMember("1.2.6-dev", serf.StatusFailed),
},
ver: version.Must(version.NewVersion("1.2.6-dev")),
expected: true,
},
// Multiple servers, doesn't meet req version
{
members: []serf.Member{
makeMember("1.1.18", serf.StatusAlive),
makeMember("1.2.6-dev", serf.StatusAlive),
makeMember("1.0.11", serf.StatusFailed),
},
ver: version.Must(version.NewVersion("1.2.6-dev")),
expected: false,
},
}
for _, tc := range cases {
result := ServersMeetMinimumVersion(tc.members, AllRegions, tc.ver, true)
if result != tc.expected {
t.Fatalf("bad: %v, %v, %v", result, tc.ver.String(), tc)
}
}
}
func makeMember(version string, status serf.MemberStatus) serf.Member {
return serf.Member{
Name: "foo",
Addr: net.IP([]byte{127, 0, 0, 1}),
Tags: map[string]string{
"role": "nomad",
"region": "aws",
"dc": "east-aws",
"port": "10000",
"build": version,
"vsn": "1",
},
Status: status,
}
}
func TestShuffleStrings(t *testing.T) {
ci.Parallel(t)
// Generate input
inp := make([]string, 10)
for idx := range inp {
inp[idx] = uuid.Generate()
}
// Copy the input
orig := make([]string, len(inp))
copy(orig, inp)
// Shuffle
shuffleStrings(inp)
// Ensure order is not the same
if reflect.DeepEqual(inp, orig) {
t.Fatalf("shuffle failed")
}
}
func Test_partitionAll(t *testing.T) {
xs := []string{"a", "b", "c", "d", "e", "f"}
// evenly divisible
require.Equal(t, [][]string{{"a", "b"}, {"c", "d"}, {"e", "f"}}, partitionAll(2, xs))
require.Equal(t, [][]string{{"a", "b", "c"}, {"d", "e", "f"}}, partitionAll(3, xs))
// whole thing fits int the last part
require.Equal(t, [][]string{{"a", "b", "c", "d", "e", "f"}}, partitionAll(7, xs))
// odd remainder
require.Equal(t, [][]string{{"a", "b", "c", "d"}, {"e", "f"}}, partitionAll(4, xs))
// zero size
require.Equal(t, [][]string{{"a", "b", "c", "d", "e", "f"}}, partitionAll(0, xs))
// one size
require.Equal(t, [][]string{{"a"}, {"b"}, {"c"}, {"d"}, {"e"}, {"f"}}, partitionAll(1, xs))
}
func TestMaxUint64(t *testing.T) {
ci.Parallel(t)
if maxUint64(1, 2) != 2 {
t.Fatalf("bad")
}
if maxUint64(2, 2) != 2 {
t.Fatalf("bad")
}
if maxUint64(2, 1) != 2 {
t.Fatalf("bad")
}
}