open-nomad/command/agent/command_test.go

129 lines
2.6 KiB
Go

package agent
import (
"fmt"
"io/ioutil"
"os"
"strings"
"testing"
"github.com/hashicorp/nomad/testutil"
"github.com/mitchellh/cli"
)
func TestCommand_Implements(t *testing.T) {
var _ cli.Command = &Command{}
}
func TestCommand_Args(t *testing.T) {
tmpDir, err := ioutil.TempDir("", "nomad")
if err != nil {
t.Fatalf("err: %s", err)
}
defer os.RemoveAll(tmpDir)
type tcase struct {
args []string
errOut string
}
tcases := []tcase{
{
[]string{},
"Must specify either server, client or dev mode for the agent.",
},
{
[]string{"-client", "-data-dir=" + tmpDir, "-bootstrap-expect=1"},
"Bootstrap requires server mode to be enabled",
},
{
[]string{"-data-dir=" + tmpDir, "-server", "-bootstrap-expect=1"},
"WARNING: Bootstrap mode enabled!",
},
{
[]string{"-server"},
"Must specify data directory",
},
{
[]string{"-client", "-alloc-dir="},
"Must specify both the state and alloc dir if data-dir is omitted.",
},
}
for _, tc := range tcases {
// Make a new command. We pre-emptively close the shutdownCh
// so that the command exits immediately instead of blocking.
ui := new(cli.MockUi)
shutdownCh := make(chan struct{})
close(shutdownCh)
cmd := &Command{
Ui: ui,
ShutdownCh: shutdownCh,
}
// To prevent test failures on hosts whose hostname resolves to
// a loopback address, we must append a bind address
tc.args = append(tc.args, "-bind=169.254.0.1")
if code := cmd.Run(tc.args); code != 1 {
t.Fatalf("args: %v\nexit: %d\n", tc.args, code)
}
if expect := tc.errOut; expect != "" {
out := ui.ErrorWriter.String()
if !strings.Contains(out, expect) {
t.Fatalf("expect to find %q\n\n%s", expect, out)
}
}
}
}
func TestRetryJoin(t *testing.T) {
dir, agent := makeAgent(t, nil)
defer os.RemoveAll(dir)
defer agent.Shutdown()
doneCh := make(chan struct{})
shutdownCh := make(chan struct{})
defer func() {
close(shutdownCh)
<-doneCh
}()
cmd := &Command{
ShutdownCh: shutdownCh,
Ui: &cli.BasicUi{
Reader: os.Stdin,
Writer: os.Stdout,
ErrorWriter: os.Stderr,
},
}
serfAddr := fmt.Sprintf(
"%s:%d",
agent.config.BindAddr,
agent.config.Ports.Serf)
args := []string{
"-dev",
"-node", fmt.Sprintf(`"Node %d"`, getPort()),
"-retry-join", serfAddr,
"-retry-interval", "1s",
}
go func() {
if code := cmd.Run(args); code != 0 {
t.Logf("bad: %d", code)
}
close(doneCh)
}()
testutil.WaitForResult(func() (bool, error) {
mem := agent.server.Members()
if len(mem) != 2 {
return false, fmt.Errorf("bad :%#v", mem)
}
return true, nil
}, func(err error) {
t.Fatalf(err.Error())
})
}