452 lines
10 KiB
Go
452 lines
10 KiB
Go
package command
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import (
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"fmt"
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"log"
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"os"
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"os/exec"
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"path/filepath"
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"reflect"
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"strings"
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"testing"
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"github.com/hashicorp/consul/agent"
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"github.com/hashicorp/consul/testutil"
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"github.com/hashicorp/consul/testutil/retry"
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"github.com/hashicorp/consul/version"
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"github.com/mitchellh/cli"
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)
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func baseCommand(ui *cli.MockUi) BaseCommand {
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return BaseCommand{
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Flags: FlagSetNone,
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UI: ui,
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}
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}
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func TestCommand_implements(t *testing.T) {
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t.Parallel()
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var _ cli.Command = new(AgentCommand)
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}
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func TestValidDatacenter(t *testing.T) {
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t.Parallel()
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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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// TestConfigFail should test command line flags that lead to an immediate error.
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func TestConfigFail(t *testing.T) {
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t.Parallel()
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tests := []struct {
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args []string
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out string
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}{
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{
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args: []string{"agent", "-server", "-data-dir", "foo", "-advertise", "0.0.0.0"},
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out: "==> Advertise address cannot be 0.0.0.0\n",
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},
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{
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args: []string{"agent", "-server", "-data-dir", "foo", "-advertise", "::"},
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out: "==> Advertise address cannot be ::\n",
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},
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{
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args: []string{"agent", "-server", "-data-dir", "foo", "-advertise", "[::]"},
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out: "==> Advertise address cannot be [::]\n",
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},
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{
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args: []string{"agent", "-server", "-data-dir", "foo", "-advertise-wan", "0.0.0.0"},
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out: "==> Advertise WAN address cannot be 0.0.0.0\n",
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},
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{
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args: []string{"agent", "-server", "-data-dir", "foo", "-advertise-wan", "::"},
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out: "==> Advertise WAN address cannot be ::\n",
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},
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{
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args: []string{"agent", "-server", "-data-dir", "foo", "-advertise-wan", "[::]"},
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out: "==> Advertise WAN address cannot be [::]\n",
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},
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}
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for _, tt := range tests {
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t.Run(strings.Join(tt.args, " "), func(t *testing.T) {
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cmd := exec.Command("consul", tt.args...)
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b, err := cmd.CombinedOutput()
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if got, want := err, "exit status 1"; got == nil || got.Error() != want {
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t.Fatalf("got err %q want %q", got, want)
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}
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if got, want := string(b), tt.out; got != want {
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t.Fatalf("got %q want %q", got, want)
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}
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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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t.Skip("fs: skipping tests that use cmd.Run until signal handling is fixed")
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t.Parallel()
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a := agent.NewTestAgent(t.Name(), nil)
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defer a.Shutdown()
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cfg2 := agent.TestConfig()
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tmpDir := testutil.TempDir(t, "consul")
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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 := &AgentCommand{
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Version: version.Version,
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ShutdownCh: shutdownCh,
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BaseCommand: baseCommand(cli.NewMockUi()),
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}
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serfAddr := fmt.Sprintf(
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"%s:%d",
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a.Config.BindAddr,
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a.Config.Ports.SerfLan)
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serfWanAddr := fmt.Sprintf(
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"%s:%d",
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a.Config.BindAddr,
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a.Config.Ports.SerfWan)
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args := []string{
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"-server",
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"-bind", a.Config.BindAddr,
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"-data-dir", tmpDir,
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"-node", fmt.Sprintf(`"%s"`, cfg2.NodeName),
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"-advertise", a.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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retry.Run(t, func(r *retry.R) {
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if got, want := len(a.LANMembers()), 2; got != want {
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r.Fatalf("got %d LAN members want %d", got, want)
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}
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if got, want := len(a.WANMembers()), 2; got != want {
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r.Fatalf("got %d WAN members want %d", got, want)
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}
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})
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}
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func TestReadCliConfig(t *testing.T) {
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t.Parallel()
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tmpDir := testutil.TempDir(t, "consul")
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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 := &AgentCommand{
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args: []string{
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"-data-dir", tmpDir,
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"-node", `"a"`,
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"-bind", "1.2.3.4",
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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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"-node-meta", "somekey:somevalue",
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},
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ShutdownCh: shutdownCh,
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BaseCommand: baseCommand(cli.NewMockUi()),
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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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if len(config.Meta) != 1 || config.Meta["somekey"] != "somevalue" {
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t.Fatalf("expected somekey=somevalue, got %v", config.Meta)
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}
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}
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// Test multiple node meta flags
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{
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cmd := &AgentCommand{
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args: []string{
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"-data-dir", tmpDir,
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"-node-meta", "somekey:somevalue",
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"-node-meta", "otherkey:othervalue",
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"-bind", "1.2.3.4",
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},
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ShutdownCh: shutdownCh,
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BaseCommand: baseCommand(cli.NewMockUi()),
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}
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expected := map[string]string{
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"somekey": "somevalue",
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"otherkey": "othervalue",
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}
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config := cmd.readConfig()
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if !reflect.DeepEqual(config.Meta, expected) {
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t.Fatalf("bad: %v %v", config.Meta, expected)
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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 := cli.NewMockUi()
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cmd := &AgentCommand{
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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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"-bind", "1.2.3.4",
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},
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ShutdownCh: shutdownCh,
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BaseCommand: baseCommand(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 := cli.NewMockUi()
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cmd := &AgentCommand{
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args: []string{
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"-data-dir", tmpDir,
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"-node", `"client"`,
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"-bind", "1.2.3.4",
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},
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ShutdownCh: shutdownCh,
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BaseCommand: baseCommand(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 := &AgentCommand{
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args: []string{"-node", `""`},
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ShutdownCh: shutdownCh,
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BaseCommand: baseCommand(cli.NewMockUi()),
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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 TestAgent_HostBasedIDs(t *testing.T) {
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t.Parallel()
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tmpDir := testutil.TempDir(t, "consul")
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defer os.RemoveAll(tmpDir)
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// Host-based IDs are disabled by default.
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{
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cmd := &AgentCommand{
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args: []string{
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"-data-dir", tmpDir,
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"-bind", "127.0.0.1",
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},
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BaseCommand: baseCommand(cli.NewMockUi()),
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}
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config := cmd.readConfig()
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if *config.DisableHostNodeID != true {
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t.Fatalf("expected host-based node IDs to be disabled")
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}
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}
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// Try enabling host-based IDs.
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{
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cmd := &AgentCommand{
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args: []string{
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"-data-dir", tmpDir,
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"-disable-host-node-id=false",
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"-bind", "127.0.0.1",
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},
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BaseCommand: baseCommand(cli.NewMockUi()),
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}
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config := cmd.readConfig()
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if *config.DisableHostNodeID != false {
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t.Fatalf("expected host-based node IDs to be enabled")
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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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t.Skip("fs: skipping tests that use cmd.Run until signal handling is fixed")
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t.Parallel()
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cfg := agent.TestConfig()
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tmpDir := testutil.TempDir(t, "consul")
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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 := &AgentCommand{
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ShutdownCh: shutdownCh,
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BaseCommand: baseCommand(cli.NewMockUi()),
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}
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serfAddr := fmt.Sprintf("%s:%d", cfg.BindAddr, cfg.Ports.SerfLan)
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args := []string{
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"-bind", cfg.BindAddr,
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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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"-retry-interval", "10ms",
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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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t.Skip("fs: skipping tests that use cmd.Run until signal handling is fixed")
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t.Parallel()
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cfg := agent.TestConfig()
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tmpDir := testutil.TempDir(t, "consul")
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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 := &AgentCommand{
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ShutdownCh: shutdownCh,
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BaseCommand: baseCommand(cli.NewMockUi()),
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}
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serfAddr := fmt.Sprintf("%s:%d", cfg.BindAddr, cfg.Ports.SerfWan)
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args := []string{
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"-server",
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"-bind", cfg.BindAddr,
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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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"-retry-interval-wan", "10ms",
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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 TestProtectDataDir(t *testing.T) {
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t.Parallel()
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dir := testutil.TempDir(t, "consul")
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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 := testutil.TempFile(t, "consul")
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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 := cli.NewMockUi()
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cmd := &AgentCommand{
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BaseCommand: baseCommand(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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t.Parallel()
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dir := testutil.TempDir(t, "consul")
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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 := cli.NewMockUi()
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cmd := &AgentCommand{
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BaseCommand: baseCommand(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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