mirror of https://github.com/hashicorp/consul
272 lines
7.0 KiB
Go
272 lines
7.0 KiB
Go
package agent
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import (
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"fmt"
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"os"
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"os/exec"
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"path/filepath"
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"strings"
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"testing"
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"github.com/hashicorp/consul/testrpc"
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"github.com/hashicorp/consul/agent"
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"github.com/hashicorp/consul/agent/config"
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"github.com/hashicorp/consul/sdk/testutil"
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"github.com/hashicorp/consul/sdk/testutil/retry"
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"github.com/mitchellh/cli"
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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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dataDir := testutil.TempDir(t, "consul")
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defer os.RemoveAll(dataDir)
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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", "-bind=10.0.0.1", "-datacenter="},
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out: "==> datacenter cannot be empty\n",
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},
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{
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args: []string{"agent", "-server", "-bind=10.0.0.1", "-datacenter=foo", "some-other-arg"},
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out: "==> Unexpected extra arguments: [some-other-arg]\n",
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},
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{
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args: []string{"agent", "-server", "-bind=10.0.0.1"},
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out: "==> data_dir cannot be empty\n",
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},
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{
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args: []string{"agent", "-server", "-data-dir", dataDir, "-advertise", "0.0.0.0", "-bind", "10.0.0.1"},
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out: "==> Advertise address cannot be 0.0.0.0, :: or [::]\n",
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},
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{
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args: []string{"agent", "-server", "-data-dir", dataDir, "-advertise", "::", "-bind", "10.0.0.1"},
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out: "==> Advertise address cannot be 0.0.0.0, :: or [::]\n",
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},
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{
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args: []string{"agent", "-server", "-data-dir", dataDir, "-advertise", "[::]", "-bind", "10.0.0.1"},
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out: "==> Advertise address cannot be 0.0.0.0, :: or [::]\n",
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},
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{
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args: []string{"agent", "-server", "-data-dir", dataDir, "-advertise-wan", "0.0.0.0", "-bind", "10.0.0.1"},
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out: "==> Advertise WAN address cannot be 0.0.0.0, :: or [::]\n",
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},
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{
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args: []string{"agent", "-server", "-data-dir", dataDir, "-advertise-wan", "::", "-bind", "10.0.0.1"},
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out: "==> Advertise WAN address cannot be 0.0.0.0, :: or [::]\n",
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},
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{
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args: []string{"agent", "-server", "-data-dir", dataDir, "-advertise-wan", "[::]", "-bind", "10.0.0.1"},
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out: "==> Advertise WAN address cannot be 0.0.0.0, :: or [::]\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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a := agent.NewTestAgent(t, "")
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defer a.Shutdown()
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b := agent.NewTestAgent(t, `
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retry_join = ["`+a.Config.SerfBindAddrLAN.String()+`"]
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retry_join_wan = ["`+a.Config.SerfBindAddrWAN.String()+`"]
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retry_interval = "100ms"
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`)
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defer b.Shutdown()
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testrpc.WaitForLeader(t, a.RPC, "dc1")
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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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})
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retry.Run(t, func(r *retry.R) {
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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 TestRetryJoinFail(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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ui := cli.NewMockUi()
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cmd := New(ui, "", "", "", "", nil)
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args := []string{
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"-bind", "127.0.0.1",
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"-data-dir", tmpDir,
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"-retry-join", "127.0.0.1:99",
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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.Parallel()
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tmpDir := testutil.TempDir(t, "consul")
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defer os.RemoveAll(tmpDir)
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ui := cli.NewMockUi()
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cmd := New(ui, "", "", "", "", nil)
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args := []string{
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"-server",
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"-bind", "127.0.0.1",
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"-data-dir", tmpDir,
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"-retry-join-wan", "127.0.0.1:99",
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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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cfgDir := testutil.TempDir(t, "consul-config")
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defer os.RemoveAll(cfgDir)
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cfgFilePath := filepath.Join(cfgDir, "consul.json")
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cfgFile, err := os.Create(cfgFilePath)
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if err != nil {
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t.Fatalf("Unable to create file %v, got error:%v", cfgFilePath, err)
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}
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content := fmt.Sprintf(`{"server": true, "bind_addr" : "10.0.0.1", "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 := New(ui, "", "", "", "", nil)
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args := []string{"-config-file=" + cfgFile.Name()}
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if code := cmd.Run(args); code == 0 {
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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 := New(ui, "", "", "", "", nil)
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args := []string{"-data-dir=" + dataDir, "-server=true", "-bind=10.0.0.1"}
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if code := cmd.Run(args); code == 0 {
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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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func TestReloadLoggerFail(t *testing.T) {
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a := agent.NewTestAgent(t, "")
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defer a.Shutdown()
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ui := cli.NewMockUi()
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cmd := New(ui, "", "", "", "", nil)
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bindAddr := a.Config.BindAddr.String()
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cmd.flagArgs.Config.BindAddr = &bindAddr
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cmd.flagArgs.Config.DataDir = &a.Config.DataDir
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cmd.logger = testutil.Logger(t)
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newLogLevel := "BLAH"
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cmd.flagArgs.Config.LogLevel = &newLogLevel
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oldCfg := config.RuntimeConfig{
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LogLevel: "INFO",
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}
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cfg, err := cmd.handleReload(a.Agent, &oldCfg)
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if err == nil {
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t.Fatal("Should fail with bad log level")
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}
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if !strings.Contains(err.Error(), "Invalid log level") {
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t.Fatalf("expected invalid log level error, got: %s", err)
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}
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if cfg.LogLevel != "INFO" {
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t.Fatalf("expected log level to stay the same, got: %s", cfg.LogLevel)
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}
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}
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func TestReloadLoggerSuccess(t *testing.T) {
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a := agent.NewTestAgent(t, "")
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defer a.Shutdown()
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ui := cli.NewMockUi()
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cmd := New(ui, "", "", "", "", nil)
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bindAddr := a.Config.BindAddr.String()
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cmd.flagArgs.Config.BindAddr = &bindAddr
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cmd.flagArgs.Config.DataDir = &a.Config.DataDir
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cmd.logger = testutil.Logger(t)
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newLogLevel := "ERROR"
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cmd.flagArgs.Config.LogLevel = &newLogLevel
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oldCfg := config.RuntimeConfig{
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LogLevel: "INFO",
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}
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cfg, err := cmd.handleReload(a.Agent, &oldCfg)
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if err != nil {
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t.Fatalf("unexpected error: %s", err)
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}
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if cfg.LogLevel != "ERROR" {
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t.Fatalf("expected log level to change to 'ERROR', got: %s", cfg.LogLevel)
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}
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if cmd.logger.IsWarn() || !cmd.logger.IsError() {
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t.Fatal("expected logger level to change to 'ERROR'")
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}
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}
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