open-nomad/command/server_members_test.go

129 lines
3.4 KiB
Go

package command
import (
"fmt"
"strings"
"testing"
"github.com/hashicorp/nomad/command/agent"
"github.com/mitchellh/cli"
)
func TestServerMembersCommand_Implements(t *testing.T) {
t.Parallel()
var _ cli.Command = &ServerMembersCommand{}
}
func TestServerMembersCommand_Run(t *testing.T) {
t.Parallel()
srv, client, url := testServer(t, false, nil)
defer srv.Shutdown()
ui := new(cli.MockUi)
cmd := &ServerMembersCommand{Meta: Meta{Ui: ui}}
// Get our own node name
name, err := client.Agent().NodeName()
if err != nil {
t.Fatalf("err: %s", err)
}
// Query the members
if code := cmd.Run([]string{"-address=" + url}); code != 0 {
t.Fatalf("expected exit 0, got: %d", code)
}
if out := ui.OutputWriter.String(); !strings.Contains(out, name) {
t.Fatalf("expected %q in output, got: %s", name, out)
}
ui.OutputWriter.Reset()
// Query members with detailed output
if code := cmd.Run([]string{"-address=" + url, "-detailed"}); code != 0 {
t.Fatalf("expected exit 0, got: %d", code)
}
if out := ui.OutputWriter.String(); !strings.Contains(out, "Tags") {
t.Fatalf("expected tags in output, got: %s", out)
}
}
func TestMembersCommand_Fails(t *testing.T) {
t.Parallel()
ui := new(cli.MockUi)
cmd := &ServerMembersCommand{Meta: Meta{Ui: ui}}
// Fails on misuse
if code := cmd.Run([]string{"some", "bad", "args"}); code != 1 {
t.Fatalf("expected exit code 1, got: %d", code)
}
if out := ui.ErrorWriter.String(); !strings.Contains(out, commandErrorText(cmd)) {
t.Fatalf("expected help output, got: %s", out)
}
ui.ErrorWriter.Reset()
// Fails on connection failure
if code := cmd.Run([]string{"-address=nope"}); code != 1 {
t.Fatalf("expected exit code 1, got: %d", code)
}
if out := ui.ErrorWriter.String(); !strings.Contains(out, "Error querying servers") {
t.Fatalf("expected failed query error, got: %s", out)
}
}
// Tests that a single server region that left should still
// not return an error and list other members in other regions
func TestServerMembersCommand_MultiRegion_Leave(t *testing.T) {
t.Parallel()
config1 := func(c *agent.Config) {
c.Region = "r1"
c.Datacenter = "d1"
}
srv1, client1, url := testServer(t, false, config1)
defer srv1.Shutdown()
config2 := func(c *agent.Config) {
c.Region = "r2"
c.Datacenter = "d2"
}
srv2, _, _ := testServer(t, false, config2)
defer srv1.Shutdown()
// Join with srv1
addr := fmt.Sprintf("127.0.0.1:%d",
srv1.Agent.Server().GetConfig().SerfConfig.MemberlistConfig.BindPort)
if _, err := srv2.Agent.Server().Join([]string{addr}); err != nil {
t.Fatalf("Join err: %v", err)
}
ui := new(cli.MockUi)
cmd := &ServerMembersCommand{Meta: Meta{Ui: ui}}
// Get our own node name
name, err := client1.Agent().NodeName()
if err != nil {
t.Fatalf("err: %s", err)
}
// Query the members
if code := cmd.Run([]string{"-address=" + url}); code != 0 {
t.Fatalf("expected exit 0, got: %d", code)
}
if out := ui.OutputWriter.String(); !strings.Contains(out, name) {
t.Fatalf("expected %q in output, got: %s", name, out)
}
ui.OutputWriter.Reset()
// Make one of the servers leave
srv2.Agent.Leave()
// Query again, should still contain expected output
if code := cmd.Run([]string{"-address=" + url}); code != 0 {
t.Fatalf("expected exit 0, got: %d", code)
}
if out := ui.OutputWriter.String(); !strings.Contains(out, name) {
t.Fatalf("expected %q in output, got: %s", name, out)
}
}