open-consul/command/agent/rpc_client_test.go
2015-01-16 00:45:03 -08:00

474 lines
9.4 KiB
Go

package agent
import (
"errors"
"fmt"
"github.com/hashicorp/consul/testutil"
"github.com/hashicorp/serf/serf"
"io"
"io/ioutil"
"net"
"os"
"runtime"
"strings"
"testing"
"time"
)
type rpcParts struct {
dir string
client *RPCClient
agent *Agent
rpc *AgentRPC
}
func (r *rpcParts) Close() {
r.client.Close()
r.rpc.Shutdown()
r.agent.Shutdown()
os.RemoveAll(r.dir)
}
// testRPCClient returns an RPCClient connected to an RPC server that
// serves only this connection.
func testRPCClient(t *testing.T) *rpcParts {
return testRPCClientWithConfig(t, func(c *Config) {})
}
func testRPCClientWithConfig(t *testing.T, cb func(c *Config)) *rpcParts {
lw := NewLogWriter(512)
mult := io.MultiWriter(os.Stderr, lw)
conf := nextConfig()
cb(conf)
rpcAddr, err := conf.ClientListener(conf.Addresses.RPC, conf.Ports.RPC)
if err != nil {
t.Fatalf("err: %s", err)
}
l, err := net.Listen(rpcAddr.Network(), rpcAddr.String())
if err != nil {
t.Fatalf("err: %s", err)
}
dir, agent := makeAgentLog(t, conf, mult)
rpc := NewAgentRPC(agent, l, mult, lw)
rpcClient, err := NewRPCClient(l.Addr().String())
if err != nil {
t.Fatalf("err: %s", err)
}
return &rpcParts{
dir: dir,
client: rpcClient,
agent: agent,
rpc: rpc,
}
}
func TestRPCClientForceLeave(t *testing.T) {
p1 := testRPCClient(t)
p2 := testRPCClient(t)
defer p1.Close()
defer p2.Close()
s2Addr := fmt.Sprintf("127.0.0.1:%d", p2.agent.config.Ports.SerfLan)
if _, err := p1.agent.JoinLAN([]string{s2Addr}); err != nil {
t.Fatalf("err: %s", err)
}
if err := p2.agent.Shutdown(); err != nil {
t.Fatalf("err: %s", err)
}
if err := p1.client.ForceLeave(p2.agent.config.NodeName); err != nil {
t.Fatalf("err: %s", err)
}
m := p1.agent.LANMembers()
if len(m) != 2 {
t.Fatalf("should have 2 members: %#v", m)
}
testutil.WaitForResult(func() (bool, error) {
m := p1.agent.LANMembers()
success := m[1].Status == serf.StatusLeft
return success, errors.New(m[1].Status.String())
}, func(err error) {
t.Fatalf("member status is %v, should be left", err)
})
}
func TestRPCClientJoinLAN(t *testing.T) {
p1 := testRPCClient(t)
p2 := testRPCClient(t)
defer p1.Close()
defer p2.Close()
s2Addr := fmt.Sprintf("127.0.0.1:%d", p2.agent.config.Ports.SerfLan)
n, err := p1.client.Join([]string{s2Addr}, false)
if err != nil {
t.Fatalf("err: %s", err)
}
if n != 1 {
t.Fatalf("n != 1: %d", n)
}
}
func TestRPCClientJoinWAN(t *testing.T) {
p1 := testRPCClient(t)
p2 := testRPCClient(t)
defer p1.Close()
defer p2.Close()
s2Addr := fmt.Sprintf("127.0.0.1:%d", p2.agent.config.Ports.SerfWan)
n, err := p1.client.Join([]string{s2Addr}, true)
if err != nil {
t.Fatalf("err: %s", err)
}
if n != 1 {
t.Fatalf("n != 1: %d", n)
}
}
func TestRPCClientLANMembers(t *testing.T) {
p1 := testRPCClient(t)
p2 := testRPCClient(t)
defer p1.Close()
defer p2.Close()
mem, err := p1.client.LANMembers()
if err != nil {
t.Fatalf("err: %s", err)
}
if len(mem) != 1 {
t.Fatalf("bad: %#v", mem)
}
s2Addr := fmt.Sprintf("127.0.0.1:%d", p2.agent.config.Ports.SerfLan)
_, err = p1.client.Join([]string{s2Addr}, false)
if err != nil {
t.Fatalf("err: %s", err)
}
mem, err = p1.client.LANMembers()
if err != nil {
t.Fatalf("err: %s", err)
}
if len(mem) != 2 {
t.Fatalf("bad: %#v", mem)
}
}
func TestRPCClientWANMembers(t *testing.T) {
p1 := testRPCClient(t)
p2 := testRPCClient(t)
defer p1.Close()
defer p2.Close()
mem, err := p1.client.WANMembers()
if err != nil {
t.Fatalf("err: %s", err)
}
if len(mem) != 1 {
t.Fatalf("bad: %#v", mem)
}
s2Addr := fmt.Sprintf("127.0.0.1:%d", p2.agent.config.Ports.SerfWan)
_, err = p1.client.Join([]string{s2Addr}, true)
if err != nil {
t.Fatalf("err: %s", err)
}
mem, err = p1.client.WANMembers()
if err != nil {
t.Fatalf("err: %s", err)
}
if len(mem) != 2 {
t.Fatalf("bad: %#v", mem)
}
}
func TestRPCClientStats(t *testing.T) {
p1 := testRPCClient(t)
defer p1.Close()
stats, err := p1.client.Stats()
if err != nil {
t.Fatalf("err: %s", err)
}
if _, ok := stats["agent"]; !ok {
t.Fatalf("bad: %#v", stats)
}
if _, ok := stats["consul"]; !ok {
t.Fatalf("bad: %#v", stats)
}
}
func TestRPCClientStatsUnix(t *testing.T) {
if runtime.GOOS == "windows" {
t.SkipNow()
}
tempdir, err := ioutil.TempDir("", "consul-test-")
if err != nil {
t.Fatalf("err: %s", err)
}
p1 := testRPCClientWithConfig(t, func(c *Config) {
c.Addresses.RPC = fmt.Sprintf("unix://%s/test.sock", tempdir)
})
defer p1.Close()
stats, err := p1.client.Stats()
if err != nil {
t.Fatalf("err: %s", err)
}
if _, ok := stats["agent"]; !ok {
t.Fatalf("bad: %#v", stats)
}
if _, ok := stats["consul"]; !ok {
t.Fatalf("bad: %#v", stats)
}
}
func TestRPCClientLeave(t *testing.T) {
p1 := testRPCClient(t)
defer p1.Close()
if err := p1.client.Leave(); err != nil {
t.Fatalf("err: %s", err)
}
time.Sleep(1 * time.Second)
select {
case <-p1.agent.ShutdownCh():
default:
t.Fatalf("agent should be shutdown!")
}
}
func TestRPCClientMonitor(t *testing.T) {
p1 := testRPCClient(t)
defer p1.Close()
eventCh := make(chan string, 64)
if handle, err := p1.client.Monitor("debug", eventCh); err != nil {
t.Fatalf("err: %s", err)
} else {
defer p1.client.Stop(handle)
}
found := false
OUTER1:
for i := 0; ; i++ {
select {
case e := <-eventCh:
if strings.Contains(e, "Accepted client") {
found = true
break OUTER1
}
default:
if i > 100 {
break OUTER1
}
time.Sleep(10 * time.Millisecond)
}
}
if !found {
t.Fatalf("should log client accept")
}
// Join a bad thing to generate more events
p1.agent.JoinLAN(nil)
found = false
OUTER2:
for i := 0; ; i++ {
select {
case e := <-eventCh:
if strings.Contains(e, "joining") {
found = true
break OUTER2
}
default:
if i > 100 {
break OUTER2
}
time.Sleep(10 * time.Millisecond)
}
}
if !found {
t.Fatalf("should log joining")
}
}
func TestRPCClientListKeys(t *testing.T) {
key1 := "tbLJg26ZJyJ9pK3qhc9jig=="
p1 := testRPCClientWithConfig(t, func(c *Config) {
c.EncryptKey = key1
c.Datacenter = "dc1"
})
defer p1.Close()
// Key is initially installed to both wan/lan
keys := listKeys(t, p1.client)
if _, ok := keys["dc1"][key1]; !ok {
t.Fatalf("bad: %#v", keys)
}
if _, ok := keys["WAN"][key1]; !ok {
t.Fatalf("bad: %#v", keys)
}
}
func TestRPCClientInstallKey(t *testing.T) {
key1 := "tbLJg26ZJyJ9pK3qhc9jig=="
key2 := "xAEZ3uVHRMZD9GcYMZaRQw=="
p1 := testRPCClientWithConfig(t, func(c *Config) {
c.EncryptKey = key1
})
defer p1.Close()
// key2 is not installed yet
testutil.WaitForResult(func() (bool, error) {
keys := listKeys(t, p1.client)
if num, ok := keys["dc1"][key2]; ok || num != 0 {
return false, fmt.Errorf("bad: %#v", keys)
}
if num, ok := keys["WAN"][key2]; ok || num != 0 {
return false, fmt.Errorf("bad: %#v", keys)
}
return true, nil
}, func(err error) {
t.Fatal(err.Error())
})
// install key2
r, err := p1.client.InstallKey(key2)
if err != nil {
t.Fatalf("err: %s", err)
}
keyringSuccess(t, r)
// key2 should now be installed
testutil.WaitForResult(func() (bool, error) {
keys := listKeys(t, p1.client)
if num, ok := keys["dc1"][key2]; !ok || num != 1 {
return false, fmt.Errorf("bad: %#v", keys)
}
if num, ok := keys["WAN"][key2]; !ok || num != 1 {
return false, fmt.Errorf("bad: %#v", keys)
}
return true, nil
}, func(err error) {
t.Fatal(err.Error())
})
}
func TestRPCClientUseKey(t *testing.T) {
key1 := "tbLJg26ZJyJ9pK3qhc9jig=="
key2 := "xAEZ3uVHRMZD9GcYMZaRQw=="
p1 := testRPCClientWithConfig(t, func(c *Config) {
c.EncryptKey = key1
})
defer p1.Close()
// add a second key to the ring
r, err := p1.client.InstallKey(key2)
if err != nil {
t.Fatalf("err: %s", err)
}
keyringSuccess(t, r)
// key2 is installed
testutil.WaitForResult(func() (bool, error) {
keys := listKeys(t, p1.client)
if num, ok := keys["dc1"][key2]; !ok || num != 1 {
return false, fmt.Errorf("bad: %#v", keys)
}
if num, ok := keys["WAN"][key2]; !ok || num != 1 {
return false, fmt.Errorf("bad: %#v", keys)
}
return true, nil
}, func(err error) {
t.Fatal(err.Error())
})
// can't remove key1 yet
r, err = p1.client.RemoveKey(key1)
if err != nil {
t.Fatalf("err: %s", err)
}
keyringError(t, r)
// change primary key
r, err = p1.client.UseKey(key2)
if err != nil {
t.Fatalf("err: %s", err)
}
keyringSuccess(t, r)
// can remove key1 now
r, err = p1.client.RemoveKey(key1)
if err != nil {
t.Fatalf("err: %s", err)
}
keyringSuccess(t, r)
}
func TestRPCClientKeyOperation_encryptionDisabled(t *testing.T) {
p1 := testRPCClient(t)
defer p1.Close()
r, err := p1.client.ListKeys()
if err != nil {
t.Fatalf("err: %s", err)
}
keyringError(t, r)
}
func listKeys(t *testing.T, c *RPCClient) map[string]map[string]int {
resp, err := c.ListKeys()
if err != nil {
t.Fatalf("err: %s", err)
}
out := make(map[string]map[string]int)
for _, k := range resp.Keys {
respID := k.Datacenter
if k.Pool == "WAN" {
respID = k.Pool
}
out[respID] = map[string]int{k.Key: k.Count}
}
return out
}
func keyringError(t *testing.T, r keyringResponse) {
for _, i := range r.Info {
if i.Error == "" {
t.Fatalf("no error reported from %s (%s)", i.Datacenter, i.Pool)
}
}
}
func keyringSuccess(t *testing.T, r keyringResponse) {
for _, i := range r.Info {
if i.Error != "" {
t.Fatalf("error from %s (%s): %s", i.Datacenter, i.Pool, i.Error)
}
}
}