280 lines
6.5 KiB
Go
280 lines
6.5 KiB
Go
package nomad
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import (
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"fmt"
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"io/ioutil"
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"log"
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"math/rand"
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"net"
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"os"
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"path"
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"sync/atomic"
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"testing"
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"time"
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"github.com/hashicorp/nomad/command/agent/consul"
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"github.com/hashicorp/nomad/nomad/mock"
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"github.com/hashicorp/nomad/nomad/structs"
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"github.com/hashicorp/nomad/nomad/structs/config"
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"github.com/hashicorp/nomad/testutil"
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)
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var (
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nodeNumber uint32 = 0
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)
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func getPort() int {
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return 1030 + int(rand.Int31n(6440))
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}
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func testLogger() *log.Logger {
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return log.New(os.Stderr, "", log.LstdFlags)
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}
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func tmpDir(t *testing.T) string {
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dir, err := ioutil.TempDir("", "nomad")
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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return dir
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}
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func testACLServer(t *testing.T, cb func(*Config)) (*Server, *structs.ACLToken) {
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server := testServer(t, func(c *Config) {
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c.ACLEnabled = true
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if cb != nil {
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cb(c)
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}
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})
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token := mock.ACLManagementToken()
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err := server.State().BootstrapACLTokens(1, token)
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if err != nil {
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t.Fatalf("failed to bootstrap ACL token: %v", err)
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}
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return server, token
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}
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func testServer(t *testing.T, cb func(*Config)) *Server {
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// Setup the default settings
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config := DefaultConfig()
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config.Build = "0.7.0+unittest"
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config.DevMode = true
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nodeNum := atomic.AddUint32(&nodeNumber, 1)
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config.NodeName = fmt.Sprintf("nomad-%03d", nodeNum)
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// Tighten the Serf timing
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config.SerfConfig.MemberlistConfig.BindAddr = "127.0.0.1"
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config.SerfConfig.MemberlistConfig.SuspicionMult = 2
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config.SerfConfig.MemberlistConfig.RetransmitMult = 2
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config.SerfConfig.MemberlistConfig.ProbeTimeout = 50 * time.Millisecond
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config.SerfConfig.MemberlistConfig.ProbeInterval = 100 * time.Millisecond
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config.SerfConfig.MemberlistConfig.GossipInterval = 100 * time.Millisecond
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// Tighten the Raft timing
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config.RaftConfig.LeaderLeaseTimeout = 50 * time.Millisecond
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config.RaftConfig.HeartbeatTimeout = 50 * time.Millisecond
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config.RaftConfig.ElectionTimeout = 50 * time.Millisecond
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config.RaftTimeout = 500 * time.Millisecond
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// Disable Vault
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f := false
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config.VaultConfig.Enabled = &f
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// Squelch output when -v isn't specified
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if !testing.Verbose() {
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config.LogOutput = ioutil.Discard
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}
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// Invoke the callback if any
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if cb != nil {
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cb(config)
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}
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// Enable raft as leader if we have bootstrap on
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config.RaftConfig.StartAsLeader = !config.DevDisableBootstrap
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logger := log.New(config.LogOutput, fmt.Sprintf("[%s] ", config.NodeName), log.LstdFlags)
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catalog := consul.NewMockCatalog(logger)
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for i := 10; i >= 0; i-- {
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// Get random ports
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config.RPCAddr = &net.TCPAddr{
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IP: []byte{127, 0, 0, 1},
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Port: getPort(),
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}
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config.SerfConfig.MemberlistConfig.BindPort = getPort()
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// Create server
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server, err := NewServer(config, catalog, logger)
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if err == nil {
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return server
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} else if i == 0 {
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t.Fatalf("err: %v", err)
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} else {
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if server != nil {
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server.Shutdown()
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}
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wait := time.Duration(rand.Int31n(2000)) * time.Millisecond
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time.Sleep(wait)
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}
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}
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return nil
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}
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func testJoin(t *testing.T, s1 *Server, other ...*Server) {
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addr := fmt.Sprintf("127.0.0.1:%d",
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s1.config.SerfConfig.MemberlistConfig.BindPort)
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for _, s2 := range other {
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if num, err := s2.Join([]string{addr}); err != nil {
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t.Fatalf("err: %v", err)
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} else if num != 1 {
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t.Fatalf("bad: %d", num)
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}
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}
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}
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func TestServer_RPC(t *testing.T) {
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t.Parallel()
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s1 := testServer(t, nil)
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defer s1.Shutdown()
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var out struct{}
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if err := s1.RPC("Status.Ping", struct{}{}, &out); err != nil {
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t.Fatalf("err: %v", err)
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}
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}
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func TestServer_RPC_MixedTLS(t *testing.T) {
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t.Parallel()
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const (
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cafile = "../helper/tlsutil/testdata/ca.pem"
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foocert = "../helper/tlsutil/testdata/nomad-foo.pem"
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fookey = "../helper/tlsutil/testdata/nomad-foo-key.pem"
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)
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dir := tmpDir(t)
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defer os.RemoveAll(dir)
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s1 := testServer(t, func(c *Config) {
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c.BootstrapExpect = 3
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c.DevMode = false
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c.DevDisableBootstrap = true
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c.DataDir = path.Join(dir, "node1")
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c.TLSConfig = &config.TLSConfig{
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EnableHTTP: true,
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EnableRPC: true,
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VerifyServerHostname: true,
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CAFile: cafile,
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CertFile: foocert,
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KeyFile: fookey,
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}
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})
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defer s1.Shutdown()
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s2 := testServer(t, func(c *Config) {
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c.BootstrapExpect = 3
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c.DevMode = false
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c.DevDisableBootstrap = true
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c.DataDir = path.Join(dir, "node2")
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})
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defer s2.Shutdown()
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s3 := testServer(t, func(c *Config) {
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c.BootstrapExpect = 3
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c.DevMode = false
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c.DevDisableBootstrap = true
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c.DataDir = path.Join(dir, "node3")
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})
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defer s3.Shutdown()
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testJoin(t, s1, s2, s3)
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l1, l2, l3, shutdown := make(chan error, 1), make(chan error, 1), make(chan error, 1), make(chan struct{}, 1)
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wait := func(done chan error, rpc func(string, interface{}, interface{}) error) {
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for {
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select {
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case <-shutdown:
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return
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default:
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}
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args := &structs.GenericRequest{}
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var leader string
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err := rpc("Status.Leader", args, &leader)
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if err != nil || leader != "" {
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done <- err
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}
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}
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}
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go wait(l1, s1.RPC)
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go wait(l2, s2.RPC)
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go wait(l3, s3.RPC)
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select {
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case <-time.After(5 * time.Second):
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case err := <-l1:
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t.Fatalf("Server 1 has leader or error: %v", err)
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case err := <-l2:
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t.Fatalf("Server 2 has leader or error: %v", err)
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case err := <-l3:
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t.Fatalf("Server 3 has leader or error: %v", err)
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}
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}
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func TestServer_Regions(t *testing.T) {
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t.Parallel()
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// Make the servers
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s1 := testServer(t, func(c *Config) {
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c.Region = "region1"
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})
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defer s1.Shutdown()
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s2 := testServer(t, func(c *Config) {
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c.Region = "region2"
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})
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defer s2.Shutdown()
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// Join them together
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s2Addr := fmt.Sprintf("127.0.0.1:%d",
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s2.config.SerfConfig.MemberlistConfig.BindPort)
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if n, err := s1.Join([]string{s2Addr}); err != nil || n != 1 {
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t.Fatalf("Failed joining: %v (%d joined)", err, n)
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}
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// Try listing the regions
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testutil.WaitForResult(func() (bool, error) {
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out := s1.Regions()
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if len(out) != 2 || out[0] != "region1" || out[1] != "region2" {
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return false, fmt.Errorf("unexpected regions: %v", out)
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}
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return true, nil
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}, func(err error) {
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t.Fatalf("err: %v", err)
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})
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}
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func TestServer_Reload_Vault(t *testing.T) {
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t.Parallel()
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s1 := testServer(t, func(c *Config) {
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c.Region = "region1"
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})
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defer s1.Shutdown()
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if s1.vault.Running() {
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t.Fatalf("Vault client should not be running")
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}
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tr := true
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config := s1.config
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config.VaultConfig.Enabled = &tr
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config.VaultConfig.Token = structs.GenerateUUID()
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if err := s1.Reload(config); err != nil {
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t.Fatalf("Reload failed: %v", err)
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}
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if !s1.vault.Running() {
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t.Fatalf("Vault client should be running")
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}
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}
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