mirror of https://github.com/status-im/consul.git
391 lines
7.6 KiB
Go
391 lines
7.6 KiB
Go
package command
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import (
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"fmt"
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"strings"
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"testing"
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"time"
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consulapi "github.com/hashicorp/consul/api"
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"github.com/hashicorp/consul/command/agent"
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"github.com/hashicorp/consul/command/base"
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"github.com/hashicorp/consul/testutil/retry"
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"github.com/mitchellh/cli"
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)
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func testExecCommand(t *testing.T) (*cli.MockUi, *ExecCommand) {
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ui := cli.NewMockUi()
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return ui, &ExecCommand{
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Command: base.Command{
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UI: ui,
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Flags: base.FlagSetHTTP,
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},
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}
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}
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func TestExecCommand_implements(t *testing.T) {
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t.Parallel()
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var _ cli.Command = &ExecCommand{}
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}
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func TestExecCommandRun(t *testing.T) {
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t.Parallel()
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cfg := agent.TestConfig()
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cfg.DisableRemoteExec = &agent.BoolFalse
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a := agent.NewTestAgent(t.Name(), cfg)
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defer a.Shutdown()
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ui, c := testExecCommand(t)
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args := []string{"-http-addr=" + a.HTTPAddr(), "-wait=500ms", "uptime"}
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code := c.Run(args)
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if code != 0 {
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t.Fatalf("bad: %d. Error:%#v (std)Output:%#v", code, ui.ErrorWriter.String(), ui.OutputWriter.String())
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}
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if !strings.Contains(ui.OutputWriter.String(), "load") {
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t.Fatalf("bad: %#v", ui.OutputWriter.String())
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}
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}
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func TestExecCommandRun_CrossDC(t *testing.T) {
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t.Parallel()
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cfg1 := agent.TestConfig()
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cfg1.DisableRemoteExec = agent.Bool(false)
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a1 := agent.NewTestAgent(t.Name(), cfg1)
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defer a1.Shutdown()
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cfg2 := agent.TestConfig()
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cfg2.Datacenter = "dc2"
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cfg2.DisableRemoteExec = agent.Bool(false)
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a2 := agent.NewTestAgent(t.Name(), cfg2)
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defer a1.Shutdown()
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// Join over the WAN
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wanAddr := fmt.Sprintf("%s:%d", a1.Config.BindAddr, a1.Config.Ports.SerfWan)
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n, err := a2.JoinWAN([]string{wanAddr})
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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if n != 1 {
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t.Fatalf("bad %d", n)
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}
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ui, c := testExecCommand(t)
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args := []string{"-http-addr=" + a1.HTTPAddr(), "-wait=500ms", "-datacenter=dc2", "uptime"}
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code := c.Run(args)
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if code != 0 {
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t.Fatalf("bad: %d. %#v", code, ui.ErrorWriter.String())
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}
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if !strings.Contains(ui.OutputWriter.String(), "load") {
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t.Fatalf("bad: %#v", ui.OutputWriter.String())
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}
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}
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func TestExecCommand_Validate(t *testing.T) {
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t.Parallel()
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conf := &rExecConf{}
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err := conf.validate()
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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conf.node = "("
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err = conf.validate()
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if err == nil {
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t.Fatalf("err: %v", err)
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}
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conf.node = ""
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conf.service = "("
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err = conf.validate()
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if err == nil {
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t.Fatalf("err: %v", err)
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}
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conf.service = "()"
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conf.tag = "("
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err = conf.validate()
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if err == nil {
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t.Fatalf("err: %v", err)
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}
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conf.service = ""
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conf.tag = "foo"
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err = conf.validate()
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if err == nil {
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t.Fatalf("err: %v", err)
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}
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}
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func TestExecCommand_Sessions(t *testing.T) {
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t.Parallel()
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cfg := agent.TestConfig()
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cfg.DisableRemoteExec = agent.Bool(false)
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a := agent.NewTestAgent(t.Name(), cfg)
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defer a.Shutdown()
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client := a.Client()
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_, c := testExecCommand(t)
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c.client = client
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id, err := c.createSession()
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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se, _, err := client.Session().Info(id, nil)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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if se == nil || se.Name != "Remote Exec" {
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t.Fatalf("bad: %v", se)
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}
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c.sessionID = id
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err = c.destroySession()
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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se, _, err = client.Session().Info(id, nil)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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if se != nil {
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t.Fatalf("bad: %v", se)
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}
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}
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func TestExecCommand_Sessions_Foreign(t *testing.T) {
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t.Parallel()
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cfg := agent.TestConfig()
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cfg.DisableRemoteExec = agent.Bool(false)
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a := agent.NewTestAgent(t.Name(), cfg)
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defer a.Shutdown()
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client := a.Client()
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_, c := testExecCommand(t)
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c.client = client
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c.conf.foreignDC = true
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c.conf.localDC = "dc1"
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c.conf.localNode = "foo"
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var id string
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retry.Run(t, func(r *retry.R) {
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var err error
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id, err = c.createSession()
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if err != nil {
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r.Fatal(err)
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}
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if id == "" {
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r.Fatal("no id")
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}
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})
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se, _, err := client.Session().Info(id, nil)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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if se == nil || se.Name != "Remote Exec via foo@dc1" {
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t.Fatalf("bad: %v", se)
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}
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c.sessionID = id
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err = c.destroySession()
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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se, _, err = client.Session().Info(id, nil)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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if se != nil {
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t.Fatalf("bad: %v", se)
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}
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}
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func TestExecCommand_UploadDestroy(t *testing.T) {
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t.Parallel()
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cfg := agent.TestConfig()
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cfg.DisableRemoteExec = agent.Bool(false)
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a := agent.NewTestAgent(t.Name(), cfg)
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defer a.Shutdown()
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client := a.Client()
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_, c := testExecCommand(t)
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c.client = client
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id, err := c.createSession()
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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c.sessionID = id
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c.conf.prefix = "_rexec"
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c.conf.cmd = "uptime"
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c.conf.wait = time.Second
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buf, err := c.makeRExecSpec()
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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err = c.uploadPayload(buf)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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pair, _, err := client.KV().Get("_rexec/"+id+"/job", nil)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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if pair == nil || len(pair.Value) == 0 {
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t.Fatalf("missing job spec")
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}
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err = c.destroyData()
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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pair, _, err = client.KV().Get("_rexec/"+id+"/job", nil)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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if pair != nil {
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t.Fatalf("should be destroyed")
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}
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}
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func TestExecCommand_StreamResults(t *testing.T) {
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t.Parallel()
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cfg := agent.TestConfig()
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cfg.DisableRemoteExec = agent.Bool(false)
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a := agent.NewTestAgent(t.Name(), cfg)
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defer a.Shutdown()
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client := a.Client()
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_, c := testExecCommand(t)
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c.client = client
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c.conf.prefix = "_rexec"
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id, err := c.createSession()
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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c.sessionID = id
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ackCh := make(chan rExecAck, 128)
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heartCh := make(chan rExecHeart, 128)
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outputCh := make(chan rExecOutput, 128)
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exitCh := make(chan rExecExit, 128)
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doneCh := make(chan struct{})
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errCh := make(chan struct{}, 1)
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defer close(doneCh)
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go c.streamResults(doneCh, ackCh, heartCh, outputCh, exitCh, errCh)
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prefix := "_rexec/" + id + "/"
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ok, _, err := client.KV().Acquire(&consulapi.KVPair{
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Key: prefix + "foo/ack",
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Session: id,
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}, nil)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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if !ok {
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t.Fatalf("should be ok bro")
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}
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select {
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case a := <-ackCh:
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if a.Node != "foo" {
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t.Fatalf("bad: %#v", a)
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}
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case <-time.After(50 * time.Millisecond):
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t.Fatalf("timeout")
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}
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ok, _, err = client.KV().Acquire(&consulapi.KVPair{
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Key: prefix + "foo/exit",
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Value: []byte("127"),
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Session: id,
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}, nil)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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if !ok {
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t.Fatalf("should be ok bro")
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}
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select {
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case e := <-exitCh:
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if e.Node != "foo" || e.Code != 127 {
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t.Fatalf("bad: %#v", e)
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}
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case <-time.After(50 * time.Millisecond):
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t.Fatalf("timeout")
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}
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// Random key, should ignore
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ok, _, err = client.KV().Acquire(&consulapi.KVPair{
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Key: prefix + "foo/random",
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Session: id,
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}, nil)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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if !ok {
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t.Fatalf("should be ok bro")
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}
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// Output heartbeat
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ok, _, err = client.KV().Acquire(&consulapi.KVPair{
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Key: prefix + "foo/out/00000",
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Session: id,
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}, nil)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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if !ok {
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t.Fatalf("should be ok bro")
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}
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select {
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case h := <-heartCh:
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if h.Node != "foo" {
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t.Fatalf("bad: %#v", h)
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}
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case <-time.After(50 * time.Millisecond):
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t.Fatalf("timeout")
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}
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// Output value
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ok, _, err = client.KV().Acquire(&consulapi.KVPair{
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Key: prefix + "foo/out/00001",
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Value: []byte("test"),
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Session: id,
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}, nil)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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if !ok {
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t.Fatalf("should be ok bro")
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}
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select {
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case o := <-outputCh:
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if o.Node != "foo" || string(o.Output) != "test" {
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t.Fatalf("bad: %#v", o)
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}
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case <-time.After(50 * time.Millisecond):
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t.Fatalf("timeout")
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}
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}
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