335 lines
9.3 KiB
Go
335 lines
9.3 KiB
Go
package agent
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import (
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"fmt"
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"io/ioutil"
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"net"
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"os"
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"strings"
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"testing"
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"time"
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"github.com/hashicorp/nomad/nomad"
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sconfig "github.com/hashicorp/nomad/nomad/structs/config"
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)
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func getPort() int {
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addr, err := net.ResolveTCPAddr("tcp", "localhost:0")
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if err != nil {
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panic(err)
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}
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l, err := net.ListenTCP("tcp", addr)
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if err != nil {
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panic(err)
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}
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defer l.Close()
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return l.Addr().(*net.TCPAddr).Port
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}
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func tmpDir(t testing.TB) 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 makeAgent(t testing.TB, cb func(*Config)) (string, *Agent) {
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dir := tmpDir(t)
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conf := DevConfig()
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// Customize the server configuration
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config := nomad.DefaultConfig()
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conf.NomadConfig = config
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// Bind and set ports
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conf.BindAddr = "127.0.0.1"
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conf.Ports = &Ports{
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HTTP: getPort(),
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RPC: getPort(),
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Serf: getPort(),
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}
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conf.NodeName = fmt.Sprintf("Node %d", conf.Ports.RPC)
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conf.Consul = sconfig.DefaultConsulConfig()
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conf.Vault.Enabled = new(bool)
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// Tighten the Serf timing
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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 = 20 * time.Millisecond
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config.RaftConfig.HeartbeatTimeout = 40 * time.Millisecond
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config.RaftConfig.ElectionTimeout = 40 * time.Millisecond
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config.RaftConfig.StartAsLeader = true
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config.RaftTimeout = 500 * time.Millisecond
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if cb != nil {
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cb(conf)
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}
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agent, err := NewAgent(conf, os.Stderr)
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if err != nil {
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os.RemoveAll(dir)
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t.Fatalf("err: %v", err)
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}
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return dir, agent
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}
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func TestAgent_RPCPing(t *testing.T) {
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dir, agent := makeAgent(t, nil)
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defer os.RemoveAll(dir)
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defer agent.Shutdown()
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var out struct{}
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if err := agent.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 TestAgent_ServerConfig(t *testing.T) {
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conf := DefaultConfig()
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a := &Agent{config: conf}
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// Returns error on bad serf addr
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conf.AdvertiseAddrs.Serf = "nope"
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_, err := a.serverConfig()
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if err == nil || !strings.Contains(err.Error(), "Failed to parse Serf") {
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t.Fatalf("expected serf address error, got: %#v", err)
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}
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conf.AdvertiseAddrs.Serf = "127.0.0.1:4000"
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// Returns error on bad rpc addr
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conf.AdvertiseAddrs.RPC = "nope"
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_, err = a.serverConfig()
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if err == nil || !strings.Contains(err.Error(), "Failed to parse RPC") {
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t.Fatalf("expected rpc address error, got: %#v", err)
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}
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conf.AdvertiseAddrs.RPC = "127.0.0.1:4001"
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conf.AdvertiseAddrs.HTTP = "10.10.11.1:4005"
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// Parses the advertise addrs correctly
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out, err := a.serverConfig()
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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serfAddr := out.SerfConfig.MemberlistConfig.AdvertiseAddr
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if serfAddr != "127.0.0.1" {
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t.Fatalf("expect 127.0.0.1, got: %s", serfAddr)
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}
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serfPort := out.SerfConfig.MemberlistConfig.AdvertisePort
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if serfPort != 4000 {
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t.Fatalf("expected 4000, got: %d", serfPort)
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}
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if addr := out.RPCAdvertise; addr.IP.String() != "127.0.0.1" || addr.Port != 4001 {
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t.Fatalf("bad rpc advertise addr: %#v", addr)
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}
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if addr := a.serverHTTPAddr; addr != "10.10.11.1:4005" {
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t.Fatalf("expect 10.11.11.1:4005, got: %v", addr)
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}
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if addr := a.serverRPCAddr; addr != "127.0.0.1:4001" {
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t.Fatalf("expect 127.0.0.1:4001, got: %v", addr)
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}
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// Sets up the ports properly
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conf.Ports.RPC = 4003
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conf.Ports.Serf = 4004
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out, err = a.serverConfig()
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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if addr := out.RPCAddr.Port; addr != 4003 {
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t.Fatalf("expect 4003, got: %d", out.RPCAddr.Port)
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}
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if port := out.SerfConfig.MemberlistConfig.BindPort; port != 4004 {
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t.Fatalf("expect 4004, got: %d", port)
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}
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// Prefers advertise over bind addr
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conf.BindAddr = "127.0.0.3"
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conf.Addresses.RPC = "127.0.0.2"
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conf.Addresses.Serf = "127.0.0.2"
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conf.Addresses.HTTP = "127.0.0.2"
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conf.AdvertiseAddrs.HTTP = "10.0.0.10"
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conf.AdvertiseAddrs.RPC = ""
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conf.AdvertiseAddrs.Serf = "10.0.0.12:4004"
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out, err = a.serverConfig()
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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if addr := out.RPCAddr.IP.String(); addr != "127.0.0.2" {
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t.Fatalf("expect 127.0.0.2, got: %s", addr)
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}
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if addr := out.SerfConfig.MemberlistConfig.BindAddr; addr != "127.0.0.2" {
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t.Fatalf("expect 127.0.0.2, got: %s", addr)
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}
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if addr := a.serverHTTPAddr; addr != "10.0.0.10:4646" {
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t.Fatalf("expect 10.0.0.10:4646, got: %s", addr)
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}
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// NOTE: AdvertiseAddr > Addresses > BindAddr > Defaults
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if addr := a.serverRPCAddr; addr != "127.0.0.2:4003" {
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t.Fatalf("expect 127.0.0.2:4003, got: %s", addr)
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}
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if addr := a.serverSerfAddr; addr != "10.0.0.12:4004" {
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t.Fatalf("expect 10.0.0.12:4004, got: %s", addr)
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}
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// It correctly identifies the bind and advertise address when requested
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if addr, err := a.selectAddr(a.getHTTPAddr, true); addr != "127.0.0.2:4646" || err != nil {
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t.Fatalf("expect 127.0.0.2:4646, got: %s", addr)
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}
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if addr, err := a.selectAddr(a.getHTTPAddr, false); addr != "10.0.0.10:4646" || err != nil {
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t.Fatalf("expect 10.0.0.10:4646, got: %s", addr)
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}
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if addr, err := a.selectAddr(a.getRPCAddr, true); addr != "127.0.0.2:4003" || err != nil {
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t.Fatalf("expect 127.0.0.2:4003, got: %s", addr)
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}
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if addr, err := a.selectAddr(a.getRPCAddr, false); addr != "127.0.0.2:4003" || err != nil {
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t.Fatalf("expect 127.0.0.2:4003, got: %s", addr)
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}
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if addr, err := a.selectAddr(a.getSerfAddr, true); addr != "127.0.0.2:4004" || err != nil {
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t.Fatalf("expect 127.0.0.2:4004, got: %s", addr)
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}
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if addr, err := a.selectAddr(a.getSerfAddr, false); addr != "10.0.0.12:4004" || err != nil {
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t.Fatalf("expect 10.0.0.12:4004, got: %s", addr)
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}
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// We don't resolve 0.0.0.0 unless we're asking for bind
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conf.Addresses.HTTP = "0.0.0.0"
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conf.AdvertiseAddrs.HTTP = ""
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if addr, err := a.getHTTPAddr(false); addr.IP.String() != "127.0.0.3" || err != nil {
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t.Fatalf("expect 127.0.0.3, got: %s", addr.IP.String())
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}
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// We still get 0.0.0.0 when explicitly asking for bind
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if addr, err := a.getHTTPAddr(true); addr.IP.String() != "0.0.0.0" || err != nil {
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t.Fatalf("expect 0.0.0.0, got: %s", addr.IP.String())
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}
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// selectAddr does not return 0.0.0.0 with preferBind
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if addr, err := a.selectAddr(a.getHTTPAddr, true); addr != "127.0.0.3:4646" || err != nil {
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t.Fatalf("expect 127.0.0.3:4646, got: %s", addr)
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}
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conf.Server.NodeGCThreshold = "42g"
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out, err = a.serverConfig()
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if err == nil || !strings.Contains(err.Error(), "unknown unit") {
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t.Fatalf("expected unknown unit error, got: %#v", err)
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}
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conf.Server.NodeGCThreshold = "10s"
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out, err = a.serverConfig()
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if threshold := out.NodeGCThreshold; threshold != time.Second*10 {
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t.Fatalf("expect 10s, got: %s", threshold)
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}
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conf.Server.HeartbeatGrace = "42g"
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out, err = a.serverConfig()
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if err == nil || !strings.Contains(err.Error(), "unknown unit") {
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t.Fatalf("expected unknown unit error, got: %#v", err)
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}
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conf.Server.HeartbeatGrace = "37s"
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out, err = a.serverConfig()
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if threshold := out.HeartbeatGrace; threshold != time.Second*37 {
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t.Fatalf("expect 37s, got: %s", threshold)
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}
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// Defaults to the global bind addr
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conf.Addresses.RPC = ""
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conf.Addresses.Serf = ""
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conf.Addresses.HTTP = ""
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conf.AdvertiseAddrs.RPC = ""
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conf.AdvertiseAddrs.HTTP = ""
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conf.AdvertiseAddrs.Serf = ""
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conf.Ports.HTTP = 4646
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conf.Ports.RPC = 4647
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conf.Ports.Serf = 4648
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out, err = a.serverConfig()
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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if addr := out.RPCAddr.IP.String(); addr != "127.0.0.3" {
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t.Fatalf("expect 127.0.0.3, got: %s", addr)
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}
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if addr := out.SerfConfig.MemberlistConfig.BindAddr; addr != "127.0.0.3" {
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t.Fatalf("expect 127.0.0.3, got: %s", addr)
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}
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if addr := a.serverHTTPAddr; addr != "127.0.0.3:4646" {
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t.Fatalf("expect 127.0.0.3:4646, got: %s", addr)
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}
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if addr := a.serverRPCAddr; addr != "127.0.0.3:4647" {
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t.Fatalf("expect 127.0.0.3:4647, got: %s", addr)
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}
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if addr := a.serverSerfAddr; addr != "127.0.0.3:4648" {
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t.Fatalf("expect 127.0.0.3:4648, got: %s", addr)
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}
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// Properly handles the bootstrap flags
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conf.Server.BootstrapExpect = 1
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out, err = a.serverConfig()
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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if !out.Bootstrap {
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t.Fatalf("should have set bootstrap mode")
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}
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if out.BootstrapExpect != 0 {
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t.Fatalf("boostrap expect should be 0")
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}
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conf.Server.BootstrapExpect = 3
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out, err = a.serverConfig()
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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if out.Bootstrap {
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t.Fatalf("bootstrap mode should be disabled")
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}
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if out.BootstrapExpect != 3 {
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t.Fatalf("should have bootstrap-expect = 3")
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}
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}
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func TestAgent_ClientConfig(t *testing.T) {
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conf := DefaultConfig()
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a := &Agent{config: conf}
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conf.Client.Enabled = true
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conf.Addresses.HTTP = "127.0.0.1"
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conf.Ports.HTTP = 5678
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c, err := a.clientConfig()
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if err != nil {
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t.Fatalf("got err: %v", err)
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}
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expectedHttpAddr := "127.0.0.1:5678"
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if c.Node.HTTPAddr != expectedHttpAddr {
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t.Fatalf("Expected http addr: %v, got: %v", expectedHttpAddr, c.Node.HTTPAddr)
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}
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conf = DefaultConfig()
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a = &Agent{config: conf}
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conf.Client.Enabled = true
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conf.Addresses.HTTP = "127.0.0.1"
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c, err = a.clientConfig()
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if err != nil {
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t.Fatalf("got err: %v", err)
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}
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expectedHttpAddr = "127.0.0.1:4646"
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if c.Node.HTTPAddr != expectedHttpAddr {
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t.Fatalf("Expected http addr: %v, got: %v", expectedHttpAddr, c.Node.HTTPAddr)
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}
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}
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