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