mirror of https://github.com/hashicorp/consul
496 lines
11 KiB
Go
496 lines
11 KiB
Go
package agent
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import (
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"bytes"
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"fmt"
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"io/ioutil"
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"log"
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"os"
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"path/filepath"
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"strings"
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"testing"
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"github.com/hashicorp/consul/logger"
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"github.com/hashicorp/consul/testutil"
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"github.com/mitchellh/cli"
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)
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func TestCommand_implements(t *testing.T) {
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var _ cli.Command = new(Command)
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}
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func TestValidDatacenter(t *testing.T) {
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shouldMatch := []string{
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"dc1",
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"east-aws-001",
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"PROD_aws01-small",
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}
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noMatch := []string{
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"east.aws",
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"east!aws",
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"first,second",
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}
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for _, m := range shouldMatch {
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if !validDatacenter.MatchString(m) {
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t.Fatalf("expected match: %s", m)
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}
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}
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for _, m := range noMatch {
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if validDatacenter.MatchString(m) {
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t.Fatalf("expected no match: %s", m)
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}
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}
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}
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func TestRetryJoin(t *testing.T) {
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dir, agent := makeAgent(t, nextConfig())
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defer os.RemoveAll(dir)
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defer agent.Shutdown()
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conf2 := nextConfig()
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tmpDir, err := ioutil.TempDir("", "consul")
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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defer os.RemoveAll(tmpDir)
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doneCh := make(chan struct{})
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shutdownCh := make(chan struct{})
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defer func() {
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close(shutdownCh)
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<-doneCh
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}()
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cmd := &Command{
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ShutdownCh: shutdownCh,
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Ui: new(cli.MockUi),
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}
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serfAddr := fmt.Sprintf(
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"%s:%d",
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agent.config.BindAddr,
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agent.config.Ports.SerfLan)
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serfWanAddr := fmt.Sprintf(
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"%s:%d",
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agent.config.BindAddr,
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agent.config.Ports.SerfWan)
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args := []string{
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"-server",
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"-data-dir", tmpDir,
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"-node", fmt.Sprintf(`"%s"`, conf2.NodeName),
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"-advertise", agent.config.BindAddr,
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"-retry-join", serfAddr,
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"-retry-interval", "1s",
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"-retry-join-wan", serfWanAddr,
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"-retry-interval-wan", "1s",
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}
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go func() {
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if code := cmd.Run(args); code != 0 {
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log.Printf("bad: %d", code)
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}
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close(doneCh)
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}()
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testutil.WaitForResult(func() (bool, error) {
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mem := agent.LANMembers()
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if len(mem) != 2 {
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return false, fmt.Errorf("bad: %#v", mem)
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}
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mem = agent.WANMembers()
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if len(mem) != 2 {
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return false, fmt.Errorf("bad (wan): %#v", mem)
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}
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return true, nil
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}, func(err error) {
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t.Fatalf(err.Error())
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})
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}
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func TestReadCliConfig(t *testing.T) {
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tmpDir, err := ioutil.TempDir("", "consul")
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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defer os.RemoveAll(tmpDir)
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shutdownCh := make(chan struct{})
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defer close(shutdownCh)
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// Test config parse
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{
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cmd := &Command{
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args: []string{
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"-data-dir", tmpDir,
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"-node", `"a"`,
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"-advertise-wan", "1.2.3.4",
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"-serf-wan-bind", "4.3.2.1",
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"-serf-lan-bind", "4.3.2.2",
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},
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ShutdownCh: shutdownCh,
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Ui: new(cli.MockUi),
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}
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config := cmd.readConfig()
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if config.AdvertiseAddrWan != "1.2.3.4" {
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t.Fatalf("expected -advertise-addr-wan 1.2.3.4 got %s", config.AdvertiseAddrWan)
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}
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if config.SerfWanBindAddr != "4.3.2.1" {
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t.Fatalf("expected -serf-wan-bind 4.3.2.1 got %s", config.SerfWanBindAddr)
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}
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if config.SerfLanBindAddr != "4.3.2.2" {
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t.Fatalf("expected -serf-lan-bind 4.3.2.2 got %s", config.SerfLanBindAddr)
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}
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}
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// Test LeaveOnTerm and SkipLeaveOnInt defaults for server mode
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{
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ui := new(cli.MockUi)
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cmd := &Command{
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args: []string{
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"-node", `"server1"`,
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"-server",
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"-data-dir", tmpDir,
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},
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ShutdownCh: shutdownCh,
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Ui: ui,
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}
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config := cmd.readConfig()
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if config == nil {
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t.Fatalf(`Expected non-nil config object: %s`, ui.ErrorWriter.String())
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}
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if config.Server != true {
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t.Errorf(`Expected -server to be true`)
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}
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if (*config.LeaveOnTerm) != false {
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t.Errorf(`Expected LeaveOnTerm to be false in server mode`)
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}
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if (*config.SkipLeaveOnInt) != true {
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t.Errorf(`Expected SkipLeaveOnInt to be true in server mode`)
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}
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}
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// Test LeaveOnTerm and SkipLeaveOnInt defaults for client mode
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{
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ui := new(cli.MockUi)
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cmd := &Command{
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args: []string{
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"-data-dir", tmpDir,
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"-node", `"client"`,
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},
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ShutdownCh: shutdownCh,
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Ui: ui,
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}
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config := cmd.readConfig()
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if config == nil {
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t.Fatalf(`Expected non-nil config object: %s`, ui.ErrorWriter.String())
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}
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if config.Server != false {
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t.Errorf(`Expected server to be false`)
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}
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if (*config.LeaveOnTerm) != true {
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t.Errorf(`Expected LeaveOnTerm to be true in client mode`)
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}
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if *config.SkipLeaveOnInt != false {
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t.Errorf(`Expected SkipLeaveOnInt to be false in client mode`)
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}
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}
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// Test empty node name
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{
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cmd := &Command{
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args: []string{"-node", `""`},
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ShutdownCh: shutdownCh,
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Ui: new(cli.MockUi),
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}
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config := cmd.readConfig()
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if config != nil {
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t.Errorf(`Expected -node="" to fail`)
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}
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}
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}
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func TestRetryJoinFail(t *testing.T) {
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conf := nextConfig()
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tmpDir, err := ioutil.TempDir("", "consul")
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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defer os.RemoveAll(tmpDir)
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shutdownCh := make(chan struct{})
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defer close(shutdownCh)
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cmd := &Command{
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ShutdownCh: shutdownCh,
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Ui: new(cli.MockUi),
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}
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serfAddr := fmt.Sprintf("%s:%d", conf.BindAddr, conf.Ports.SerfLan)
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args := []string{
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"-data-dir", tmpDir,
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"-retry-join", serfAddr,
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"-retry-max", "1",
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}
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if code := cmd.Run(args); code == 0 {
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t.Fatalf("bad: %d", code)
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}
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}
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func TestRetryJoinWanFail(t *testing.T) {
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conf := nextConfig()
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tmpDir, err := ioutil.TempDir("", "consul")
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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defer os.RemoveAll(tmpDir)
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shutdownCh := make(chan struct{})
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defer close(shutdownCh)
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cmd := &Command{
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ShutdownCh: shutdownCh,
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Ui: new(cli.MockUi),
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}
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serfAddr := fmt.Sprintf("%s:%d", conf.BindAddr, conf.Ports.SerfWan)
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args := []string{
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"-server",
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"-data-dir", tmpDir,
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"-retry-join-wan", serfAddr,
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"-retry-max-wan", "1",
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}
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if code := cmd.Run(args); code == 0 {
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t.Fatalf("bad: %d", code)
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}
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}
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func TestDiscoverEC2Hosts(t *testing.T) {
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if os.Getenv("AWS_REGION") == "" {
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t.Skip("AWS_REGION not set, skipping")
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}
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if os.Getenv("AWS_ACCESS_KEY_ID") == "" {
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t.Skip("AWS_ACCESS_KEY_ID not set, skipping")
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}
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if os.Getenv("AWS_SECRET_ACCESS_KEY") == "" {
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t.Skip("AWS_SECRET_ACCESS_KEY not set, skipping")
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}
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c := &Config{
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RetryJoinEC2: RetryJoinEC2{
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Region: os.Getenv("AWS_REGION"),
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TagKey: "ConsulRole",
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TagValue: "Server",
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},
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}
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servers, err := c.discoverEc2Hosts(&log.Logger{})
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if err != nil {
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t.Fatal(err)
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}
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if len(servers) != 3 {
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t.Fatalf("bad: %v", servers)
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}
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}
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func TestDiscoverGCEHosts(t *testing.T) {
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if os.Getenv("GCE_PROJECT") == "" {
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t.Skip("GCE_PROJECT not set, skipping")
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}
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if os.Getenv("GOOGLE_APPLICATION_CREDENTIALS") == "" && os.Getenv("GCE_CONFIG_CREDENTIALS") == "" {
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t.Skip("GOOGLE_APPLICATION_CREDENTIALS or GCE_CONFIG_CREDENTIALS not set, skipping")
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}
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c := &Config{
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RetryJoinGCE: RetryJoinGCE{
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ProjectName: os.Getenv("GCE_PROJECT"),
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ZonePattern: os.Getenv("GCE_ZONE"),
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TagValue: "consulrole-server",
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CredentialsFile: os.Getenv("GCE_CONFIG_CREDENTIALS"),
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},
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}
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servers, err := c.discoverGCEHosts(log.New(os.Stderr, "", log.LstdFlags))
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if err != nil {
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t.Fatal(err)
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}
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if len(servers) != 3 {
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t.Fatalf("bad: %v", servers)
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}
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}
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func TestSetupAgent_RPCUnixSocket_FileExists(t *testing.T) {
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conf := nextConfig()
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tmpDir, err := ioutil.TempDir("", "consul")
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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defer os.RemoveAll(tmpDir)
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tmpFile, err := ioutil.TempFile("", "consul")
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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defer os.Remove(tmpFile.Name())
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socketPath := tmpFile.Name()
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conf.DataDir = tmpDir
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conf.Server = true
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conf.Bootstrap = true
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// Set socket address to an existing file.
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conf.Addresses.RPC = "unix://" + socketPath
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// Custom mode for socket file
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conf.UnixSockets.Perms = "0777"
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shutdownCh := make(chan struct{})
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defer close(shutdownCh)
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cmd := &Command{
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ShutdownCh: shutdownCh,
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Ui: new(cli.MockUi),
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}
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logWriter := logger.NewLogWriter(512)
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logOutput := new(bytes.Buffer)
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// Ensure the server is created
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if err := cmd.setupAgent(conf, logOutput, logWriter); err != nil {
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t.Fatalf("err: %s", err)
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}
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// Ensure the file was replaced by the socket
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fi, err := os.Stat(socketPath)
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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if fi.Mode()&os.ModeSocket == 0 {
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t.Fatalf("expected socket to replace file")
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}
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// Ensure permissions were applied to the socket file
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if fi.Mode().String() != "Srwxrwxrwx" {
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t.Fatalf("bad permissions: %s", fi.Mode())
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}
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}
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func TestSetupScadaConn(t *testing.T) {
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// Create a config and assign an infra name
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conf1 := nextConfig()
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conf1.AtlasInfrastructure = "hashicorp/test1"
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conf1.AtlasToken = "abc"
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dir, agent := makeAgent(t, conf1)
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defer os.RemoveAll(dir)
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defer agent.Shutdown()
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cmd := &Command{
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ShutdownCh: make(chan struct{}),
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Ui: new(cli.MockUi),
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agent: agent,
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}
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// First start creates the scada conn
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if err := cmd.setupScadaConn(conf1); err != nil {
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t.Fatalf("err: %s", err)
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}
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http1 := cmd.scadaHttp
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provider1 := cmd.scadaProvider
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// Performing setup again tears down original and replaces
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// with a new SCADA client.
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conf2 := nextConfig()
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conf2.AtlasInfrastructure = "hashicorp/test2"
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conf2.AtlasToken = "123"
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if err := cmd.setupScadaConn(conf2); err != nil {
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t.Fatalf("err: %s", err)
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}
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if cmd.scadaHttp == http1 || cmd.scadaProvider == provider1 {
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t.Fatalf("should change: %#v %#v", cmd.scadaHttp, cmd.scadaProvider)
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}
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// Original provider and listener must be closed
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if !provider1.IsShutdown() {
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t.Fatalf("should be shutdown")
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}
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if _, err := http1.listener.Accept(); !strings.Contains(err.Error(), "closed") {
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t.Fatalf("should be closed")
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}
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}
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func TestProtectDataDir(t *testing.T) {
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dir, err := ioutil.TempDir("", "consul")
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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defer os.RemoveAll(dir)
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if err := os.MkdirAll(filepath.Join(dir, "mdb"), 0700); err != nil {
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t.Fatalf("err: %v", err)
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}
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cfgFile, err := ioutil.TempFile("", "consul")
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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defer os.Remove(cfgFile.Name())
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content := fmt.Sprintf(`{"server": true, "data_dir": "%s"}`, dir)
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_, err = cfgFile.Write([]byte(content))
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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ui := new(cli.MockUi)
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cmd := &Command{
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Ui: ui,
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args: []string{"-config-file=" + cfgFile.Name()},
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}
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if conf := cmd.readConfig(); conf != nil {
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t.Fatalf("should fail")
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}
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if out := ui.ErrorWriter.String(); !strings.Contains(out, dir) {
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t.Fatalf("expected mdb dir error, got: %s", out)
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}
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}
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func TestBadDataDirPermissions(t *testing.T) {
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dir, err := ioutil.TempDir("", "consul")
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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defer os.RemoveAll(dir)
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dataDir := filepath.Join(dir, "mdb")
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if err := os.MkdirAll(dataDir, 0400); err != nil {
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t.Fatalf("err: %v", err)
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}
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defer os.RemoveAll(dataDir)
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ui := new(cli.MockUi)
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cmd := &Command{
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Ui: ui,
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args: []string{"-data-dir=" + dataDir, "-server=true"},
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}
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if conf := cmd.readConfig(); conf != nil {
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t.Fatalf("Should fail with bad data directory permissions")
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}
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if out := ui.ErrorWriter.String(); !strings.Contains(out, "Permission denied") {
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t.Fatalf("expected permission denied error, got: %s", out)
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}
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}
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