func TestTombstoneRecover(t *testing.T) {
opts := NewNSQLookupdOptions()
opts.Logger = newTestLogger(t)
opts.TombstoneLifetime = 50 * time.Millisecond
tcpAddr, httpAddr, nsqlookupd := mustStartLookupd(opts)
defer nsqlookupd.Exit()
topicName := "tombstone_recover"
topicName2 := topicName + "2"
conn := mustConnectLookupd(t, tcpAddr)
defer conn.Close()
identify(t, conn, "ip.address", 5000, 5555, "fake-version")
nsq.Register(topicName, "channel1").WriteTo(conn)
_, err := nsq.ReadResponse(conn)
equal(t, err, nil)
nsq.Register(topicName2, "channel2").WriteTo(conn)
_, err = nsq.ReadResponse(conn)
equal(t, err, nil)
endpoint := fmt.Sprintf("http://%s/topic/tombstone?topic=%s&node=%s",
httpAddr, topicName, "ip.address:5555")
_, err = util.APIRequestNegotiateV1("POST", endpoint, nil)
equal(t, err, nil)
endpoint = fmt.Sprintf("http://%s/lookup?topic=%s", httpAddr, topicName)
data, err := util.APIRequestNegotiateV1("GET", endpoint, nil)
equal(t, err, nil)
producers, _ := data.Get("producers").Array()
equal(t, len(producers), 0)
endpoint = fmt.Sprintf("http://%s/lookup?topic=%s", httpAddr, topicName2)
data, err = util.APIRequestNegotiateV1("GET", endpoint, nil)
equal(t, err, nil)
producers, _ = data.Get("producers").Array()
equal(t, len(producers), 1)
time.Sleep(75 * time.Millisecond)
endpoint = fmt.Sprintf("http://%s/lookup?topic=%s", httpAddr, topicName)
data, err = util.APIRequestNegotiateV1("GET", endpoint, nil)
equal(t, err, nil)
producers, _ = data.Get("producers").Array()
equal(t, len(producers), 1)
}
// GetLookupdTopicChannels returns a []string containing a union of the channels
// from all the given lookupd for the given topic
func GetLookupdTopicChannels(topic string, lookupdHTTPAddrs []string) ([]string, error) {
success := false
allChannels := make([]string, 0)
var lock sync.Mutex
var wg sync.WaitGroup
for _, addr := range lookupdHTTPAddrs {
wg.Add(1)
endpoint := fmt.Sprintf("http://%s/channels?topic=%s", addr, url.QueryEscape(topic))
log.Printf("LOOKUPD: querying %s", endpoint)
go func(endpoint string) {
data, err := util.APIRequestNegotiateV1("GET", endpoint, nil)
lock.Lock()
defer lock.Unlock()
defer wg.Done()
if err != nil {
log.Printf("ERROR: lookupd %s - %s", endpoint, err.Error())
return
}
success = true
// {"data":{"channels":["test"]}}
channels, _ := data.Get("channels").StringArray()
allChannels = util.StringUnion(allChannels, channels)
}(endpoint)
}
wg.Wait()
sort.Strings(allChannels)
if success == false {
return nil, errors.New("unable to query any lookupd")
}
return allChannels, nil
}
// GetNSQDTopics returns a []string containing all the topics
// produced by the given nsqd
func GetNSQDTopics(nsqdHTTPAddrs []string) ([]string, error) {
topics := make([]string, 0)
var lock sync.Mutex
var wg sync.WaitGroup
success := false
for _, addr := range nsqdHTTPAddrs {
wg.Add(1)
endpoint := fmt.Sprintf("http://%s/stats?format=json", addr)
log.Printf("NSQD: querying %s", endpoint)
go func(endpoint string) {
data, err := util.APIRequestNegotiateV1("GET", endpoint, nil)
lock.Lock()
defer lock.Unlock()
defer wg.Done()
if err != nil {
log.Printf("ERROR: lookupd %s - %s", endpoint, err.Error())
return
}
success = true
topicList, _ := data.Get("topics").Array()
for i := range topicList {
topicInfo := data.Get("topics").GetIndex(i)
topics = util.StringAdd(topics, topicInfo.Get("topic_name").MustString())
}
}(endpoint)
}
wg.Wait()
sort.Strings(topics)
if success == false {
return nil, errors.New("unable to query any nsqd")
}
return topics, nil
}
func (s *httpServer) deleteChannelHandler(w http.ResponseWriter, req *http.Request) {
if req.Method != "POST" {
s.ctx.nsqadmin.logf("ERROR: invalid %s to POST only method", req.Method)
http.Error(w, "INVALID_REQUEST", 500)
return
}
reqParams := &util.PostParams{req}
topicName, channelName, err := util.GetTopicChannelArgs(reqParams)
if err != nil {
http.Error(w, err.Error(), 500)
return
}
rd, _ := reqParams.Get("rd")
if !strings.HasPrefix(rd, "/") {
rd = fmt.Sprintf("/topic/%s", url.QueryEscape(topicName))
}
for _, addr := range s.ctx.nsqadmin.opts.NSQLookupdHTTPAddresses {
nsqlookupdVersion, err := lookupd.GetVersion(addr)
if err != nil {
s.ctx.nsqadmin.logf("ERROR: failed to get nsqlookupd %s version - %s", addr, err)
}
uri := "delete_channel"
if !nsqlookupdVersion.Less(v1EndpointVersion) {
uri = "channel/delete"
}
endpoint := fmt.Sprintf("http://%s/%s?topic=%s&channel=%s",
addr, uri,
url.QueryEscape(topicName),
url.QueryEscape(channelName))
s.ctx.nsqadmin.logf("LOOKUPD: querying %s", endpoint)
_, err = util.APIRequestNegotiateV1("POST", endpoint, nil)
if err != nil {
s.ctx.nsqadmin.logf("ERROR: lookupd %s - %s", endpoint, err)
continue
}
}
producerAddrs := s.getProducers(topicName)
s.performVersionNegotiatedRequestsToNSQD(
s.ctx.nsqadmin.opts.NSQLookupdHTTPAddresses,
producerAddrs,
"delete_channel",
"channel/delete",
fmt.Sprintf("topic=%s&channel=%s",
url.QueryEscape(topicName), url.QueryEscape(channelName)))
s.notifyAdminAction("delete_channel", topicName, channelName, "", req)
http.Redirect(w, req, rd, 302)
}
func (s *httpServer) deleteTopicHandler(w http.ResponseWriter, req *http.Request) {
if req.Method != "POST" {
s.ctx.nsqadmin.logf("ERROR: invalid %s to POST only method", req.Method)
http.Error(w, "INVALID_REQUEST", 500)
return
}
reqParams := &util.PostParams{req}
topicName, err := reqParams.Get("topic")
if err != nil {
http.Error(w, "MISSING_ARG_TOPIC", 500)
return
}
rd, _ := reqParams.Get("rd")
if !strings.HasPrefix(rd, "/") {
rd = "/"
}
// for topic removal, you need to get all the producers *first*
producerAddrs := s.getProducers(topicName)
// remove the topic from all the lookupds
for _, addr := range s.ctx.nsqadmin.opts.NSQLookupdHTTPAddresses {
nsqlookupdVersion, err := lookupd.GetVersion(addr)
if err != nil {
s.ctx.nsqadmin.logf("ERROR: failed to get nsqlookupd %s version - %s", addr, err)
}
uri := "delete_topic"
if !nsqlookupdVersion.Less(v1EndpointVersion) {
uri = "topic/delete"
}
endpoint := fmt.Sprintf("http://%s/%s?topic=%s", addr, uri, topicName)
s.ctx.nsqadmin.logf("LOOKUPD: querying %s", endpoint)
_, err = util.APIRequestNegotiateV1("POST", endpoint, nil)
if err != nil {
s.ctx.nsqadmin.logf("ERROR: lookupd %s - %s", endpoint, err)
continue
}
}
s.performVersionNegotiatedRequestsToNSQD(
s.ctx.nsqadmin.opts.NSQLookupdHTTPAddresses,
producerAddrs,
"delete_topic",
"topic/delete",
fmt.Sprintf("topic=%s", url.QueryEscape(topicName)))
s.notifyAdminAction("delete_topic", topicName, "", "", req)
http.Redirect(w, req, rd, 302)
}
// GetVersion returns a semver.Version object by querying /info
func GetVersion(addr string) (*semver.Version, error) {
endpoint := fmt.Sprintf("http://%s/info", addr)
log.Printf("version negotiation %s", endpoint)
info, err := util.APIRequestNegotiateV1("GET", endpoint, nil)
if err != nil {
log.Printf("ERROR: %s - %s", endpoint, err)
return nil, err
}
version := info.Get("version").MustString("unknown")
return semver.Parse(version)
}
func TestTombstoneUnregister(t *testing.T) {
log.SetOutput(ioutil.Discard)
defer log.SetOutput(os.Stdout)
options := NewNSQLookupdOptions()
options.TombstoneLifetime = 50 * time.Millisecond
tcpAddr, httpAddr, nsqlookupd := mustStartLookupd(options)
defer nsqlookupd.Exit()
topicName := "tombstone_unregister"
conn := mustConnectLookupd(t, tcpAddr)
identify(t, conn, "ip.address", 5000, 5555, "fake-version")
nsq.Register(topicName, "channel1").WriteTo(conn)
_, err := nsq.ReadResponse(conn)
assert.Equal(t, err, nil)
endpoint := fmt.Sprintf("http://%s/topic/tombstone?topic=%s&node=%s",
httpAddr, topicName, "ip.address:5555")
_, err = util.APIRequestNegotiateV1("POST", endpoint, nil)
assert.Equal(t, err, nil)
endpoint = fmt.Sprintf("http://%s/lookup?topic=%s", httpAddr, topicName)
data, err := util.APIRequestNegotiateV1("GET", endpoint, nil)
assert.Equal(t, err, nil)
producers, _ := data.Get("producers").Array()
assert.Equal(t, len(producers), 0)
nsq.UnRegister(topicName, "").WriteTo(conn)
_, err = nsq.ReadResponse(conn)
assert.Equal(t, err, nil)
time.Sleep(55 * time.Millisecond)
endpoint = fmt.Sprintf("http://%s/lookup?topic=%s", httpAddr, topicName)
data, err = util.APIRequestNegotiateV1("GET", endpoint, nil)
assert.Equal(t, err, nil)
producers, _ = data.Get("producers").Array()
assert.Equal(t, len(producers), 0)
}
func TestTombstonedNodes(t *testing.T) {
log.SetOutput(ioutil.Discard)
defer log.SetOutput(os.Stdout)
options := NewNSQLookupdOptions()
tcpAddr, httpAddr, nsqlookupd := mustStartLookupd(options)
defer nsqlookupd.Exit()
lookupdHTTPAddrs := []string{fmt.Sprintf("%s", httpAddr)}
topicName := "inactive_nodes"
conn := mustConnectLookupd(t, tcpAddr)
identify(t, conn, "ip.address", 5000, 5555, "fake-version")
go func() {
for {
time.Sleep(5 * time.Millisecond)
nsq.Ping().WriteTo(conn)
_, err := nsq.ReadResponse(conn)
if err != nil {
return
}
}
}()
nsq.Register(topicName, "channel1").WriteTo(conn)
_, err := nsq.ReadResponse(conn)
assert.Equal(t, err, nil)
producers, _ := lookuputil.GetLookupdProducers(lookupdHTTPAddrs)
assert.Equal(t, len(producers), 1)
assert.Equal(t, len(producers[0].Topics), 1)
assert.Equal(t, producers[0].Topics[0].Topic, topicName)
assert.Equal(t, producers[0].Topics[0].Tombstoned, false)
endpoint := fmt.Sprintf("http://%s/topic/tombstone?topic=%s&node=%s",
httpAddr, topicName, "ip.address:5555")
_, err = util.APIRequestNegotiateV1("POST", endpoint, nil)
assert.Equal(t, err, nil)
producers, _ = lookuputil.GetLookupdProducers(lookupdHTTPAddrs)
assert.Equal(t, len(producers), 1)
assert.Equal(t, len(producers[0].Topics), 1)
assert.Equal(t, producers[0].Topics[0].Topic, topicName)
assert.Equal(t, producers[0].Topics[0].Tombstoned, true)
conn.Close()
}
func TestChannelUnregister(t *testing.T) {
opts := NewNSQLookupdOptions()
opts.Logger = newTestLogger(t)
tcpAddr, httpAddr, nsqlookupd := mustStartLookupd(opts)
defer nsqlookupd.Exit()
topics := nsqlookupd.DB.FindRegistrations("topic", "*", "*")
equal(t, len(topics), 0)
topicName := "channel_unregister"
conn := mustConnectLookupd(t, tcpAddr)
defer conn.Close()
tcpPort := 5000
httpPort := 5555
identify(t, conn, "ip.address", tcpPort, httpPort, "fake-version")
nsq.Register(topicName, "ch1").WriteTo(conn)
v, err := nsq.ReadResponse(conn)
equal(t, err, nil)
equal(t, v, []byte("OK"))
topics = nsqlookupd.DB.FindRegistrations("topic", topicName, "")
equal(t, len(topics), 1)
channels := nsqlookupd.DB.FindRegistrations("channel", topicName, "*")
equal(t, len(channels), 1)
nsq.UnRegister(topicName, "ch1").WriteTo(conn)
v, err = nsq.ReadResponse(conn)
equal(t, err, nil)
equal(t, v, []byte("OK"))
topics = nsqlookupd.DB.FindRegistrations("topic", topicName, "")
equal(t, len(topics), 1)
// we should still have mention of the topic even though there is no producer
// (ie. we haven't *deleted* the channel, just unregistered as a producer)
channels = nsqlookupd.DB.FindRegistrations("channel", topicName, "*")
equal(t, len(channels), 1)
endpoint := fmt.Sprintf("http://%s/lookup?topic=%s", httpAddr, topicName)
data, err := util.APIRequestNegotiateV1("GET", endpoint, nil)
equal(t, err, nil)
returnedProducers, err := data.Get("producers").Array()
equal(t, err, nil)
equal(t, len(returnedProducers), 1)
}
func TestClientAttributes(t *testing.T) {
log.SetOutput(ioutil.Discard)
defer log.SetOutput(os.Stdout)
userAgent := "Test User Agent"
options := NewNSQDOptions()
options.Verbose = true
options.SnappyEnabled = true
tcpAddr, httpAddr, nsqd := mustStartNSQD(options)
defer nsqd.Exit()
conn, err := mustConnectNSQD(tcpAddr)
assert.Equal(t, err, nil)
data := identify(t, conn, map[string]interface{}{
"snappy": true,
"user_agent": userAgent,
}, frameTypeResponse)
resp := struct {
Snappy bool `json:"snappy"`
UserAgent string `json:"user_agent"`
}{}
err = json.Unmarshal(data, &resp)
assert.Equal(t, err, nil)
assert.Equal(t, resp.Snappy, true)
r := snappystream.NewReader(conn, snappystream.SkipVerifyChecksum)
w := snappystream.NewWriter(conn)
topicName := "test_client_attributes" + strconv.Itoa(int(time.Now().Unix()))
sub(t, readWriter{r, w}, topicName, "ch")
// need to give nsqd a chance to sub the client
time.Sleep(50 * time.Millisecond)
testUrl := fmt.Sprintf("http://127.0.0.1:%d/stats?format=json", httpAddr.Port)
statsData, err := util.APIRequestNegotiateV1("GET", testUrl, nil)
if err != nil {
t.Fatalf(err.Error())
}
client := statsData.Get("topics").GetIndex(0).Get("channels").GetIndex(0).Get("clients").GetIndex(0)
assert.Equal(t, client.Get("user_agent").MustString(), userAgent)
assert.Equal(t, client.Get("snappy").MustBool(), true)
}
func TestClientAttributes(t *testing.T) {
userAgent := "Test User Agent"
opts := NewNSQDOptions()
opts.Logger = newTestLogger(t)
opts.Verbose = true
opts.SnappyEnabled = true
tcpAddr, httpAddr, nsqd := mustStartNSQD(opts)
defer nsqd.Exit()
conn, err := mustConnectNSQD(tcpAddr)
equal(t, err, nil)
defer conn.Close()
data := identify(t, conn, map[string]interface{}{
"snappy": true,
"user_agent": userAgent,
}, frameTypeResponse)
resp := struct {
Snappy bool `json:"snappy"`
UserAgent string `json:"user_agent"`
}{}
err = json.Unmarshal(data, &resp)
equal(t, err, nil)
equal(t, resp.Snappy, true)
r := snappystream.NewReader(conn, snappystream.SkipVerifyChecksum)
w := snappystream.NewWriter(conn)
readValidate(t, r, frameTypeResponse, "OK")
topicName := "test_client_attributes" + strconv.Itoa(int(time.Now().Unix()))
sub(t, readWriter{r, w}, topicName, "ch")
testUrl := fmt.Sprintf("http://127.0.0.1:%d/stats?format=json", httpAddr.Port)
statsData, err := util.APIRequestNegotiateV1("GET", testUrl, nil)
equal(t, err, nil)
client := statsData.Get("topics").GetIndex(0).Get("channels").GetIndex(0).Get("clients").GetIndex(0)
equal(t, client.Get("user_agent").MustString(), userAgent)
equal(t, client.Get("snappy").MustBool(), true)
}
// GetLookupdTopicProducers returns a []string of the broadcast_address:http_port of all the
// producers for a given topic by unioning the results returned from the given lookupd
func GetLookupdTopicProducers(topic string, lookupdHTTPAddrs []string) ([]string, error) {
success := false
allSources := make([]string, 0)
var lock sync.Mutex
var wg sync.WaitGroup
for _, addr := range lookupdHTTPAddrs {
wg.Add(1)
endpoint := fmt.Sprintf("http://%s/lookup?topic=%s", addr, url.QueryEscape(topic))
log.Printf("LOOKUPD: querying %s", endpoint)
go func(endpoint string) {
data, err := util.APIRequestNegotiateV1("GET", endpoint, nil)
lock.Lock()
defer lock.Unlock()
defer wg.Done()
if err != nil {
log.Printf("ERROR: lookupd %s - %s", endpoint, err.Error())
return
}
success = true
producers := data.Get("producers")
producersArray, _ := producers.Array()
for i := range producersArray {
producer := producers.GetIndex(i)
broadcastAddress := producer.Get("broadcast_address").MustString()
httpPort := producer.Get("http_port").MustInt()
key := net.JoinHostPort(broadcastAddress, strconv.Itoa(httpPort))
allSources = util.StringAdd(allSources, key)
}
}(endpoint)
}
wg.Wait()
if success == false {
return nil, errors.New("unable to query any lookupd")
}
return allSources, nil
}
func (s *httpServer) performVersionNegotiatedRequestsToNSQD(
nsqlookupdAddrs []string, nsqdAddrs []string,
deprecatedURI string, v1URI string, queryString string) {
var err error
// get producer structs in one set of up-front requests
// so we can negotiate versions
//
// (this returns an empty list if there are no nsqlookupd configured)
producers, _ := lookupd.GetLookupdProducers(nsqlookupdAddrs)
for _, addr := range nsqdAddrs {
var nodeVer *semver.Version
uri := deprecatedURI
producer := producerSearch(producers, addr)
if producer != nil {
nodeVer = producer.VersionObj
} else {
// we couldn't find the node in our list
// so ask it for a version directly
nodeVer, err = lookupd.GetVersion(addr)
if err != nil {
s.ctx.nsqadmin.logf("ERROR: failed to get nsqd %s version - %s", addr, err)
}
}
if nodeVer != nil && !nodeVer.Less(v1EndpointVersion) {
uri = v1URI
}
endpoint := fmt.Sprintf("http://%s/%s?%s", addr, uri, queryString)
s.ctx.nsqadmin.logf("NSQD: querying %s", endpoint)
_, err := util.APIRequestNegotiateV1("POST", endpoint, nil)
if err != nil {
s.ctx.nsqadmin.logf("ERROR: nsqd %s - %s", endpoint, err)
continue
}
}
}
func TestTombstonedNodes(t *testing.T) {
opts := NewNSQLookupdOptions()
opts.Logger = newTestLogger(t)
tcpAddr, httpAddr, nsqlookupd := mustStartLookupd(opts)
defer nsqlookupd.Exit()
lookupdHTTPAddrs := []string{fmt.Sprintf("%s", httpAddr)}
topicName := "inactive_nodes"
conn := mustConnectLookupd(t, tcpAddr)
defer conn.Close()
identify(t, conn, "ip.address", 5000, 5555, "fake-version")
nsq.Register(topicName, "channel1").WriteTo(conn)
_, err := nsq.ReadResponse(conn)
equal(t, err, nil)
producers, _ := lookuputil.GetLookupdProducers(lookupdHTTPAddrs)
equal(t, len(producers), 1)
equal(t, len(producers[0].Topics), 1)
equal(t, producers[0].Topics[0].Topic, topicName)
equal(t, producers[0].Topics[0].Tombstoned, false)
endpoint := fmt.Sprintf("http://%s/topic/tombstone?topic=%s&node=%s",
httpAddr, topicName, "ip.address:5555")
_, err = util.APIRequestNegotiateV1("POST", endpoint, nil)
equal(t, err, nil)
producers, _ = lookuputil.GetLookupdProducers(lookupdHTTPAddrs)
equal(t, len(producers), 1)
equal(t, len(producers[0].Topics), 1)
equal(t, producers[0].Topics[0].Topic, topicName)
equal(t, producers[0].Topics[0].Tombstoned, true)
}
func TestNsqdToLookupd(t *testing.T) {
topicName := "cluster_test" + strconv.Itoa(int(time.Now().Unix()))
hostname, err := os.Hostname()
equal(t, err, nil)
url := fmt.Sprintf("http://127.0.0.1:4151/topic/create?topic=%s", topicName)
_, err = util.APIRequestNegotiateV1("POST", url, nil)
equal(t, err, nil)
url = fmt.Sprintf("http://127.0.0.1:4151/channel/create?topic=%s&channel=ch", topicName)
_, err = util.APIRequestNegotiateV1("POST", url, nil)
equal(t, err, nil)
// allow some time for nsqd to push info to nsqlookupd
time.Sleep(350 * time.Millisecond)
data, err := util.APIRequestNegotiateV1("GET", "http://127.0.0.1:4161/debug", nil)
equal(t, err, nil)
topicData := data.Get("topic:" + topicName + ":")
producers, _ := topicData.Array()
equal(t, len(producers), 1)
producer := topicData.GetIndex(0)
equal(t, producer.Get("hostname").MustString(), hostname)
equal(t, producer.Get("broadcast_address").MustString(), hostname)
equal(t, producer.Get("tcp_port").MustInt(), 4150)
equal(t, producer.Get("tombstoned").MustBool(), false)
channelData := data.Get("channel:" + topicName + ":ch")
producers, _ = channelData.Array()
equal(t, len(producers), 1)
producer = topicData.GetIndex(0)
equal(t, producer.Get("hostname").MustString(), hostname)
equal(t, producer.Get("broadcast_address").MustString(), hostname)
equal(t, producer.Get("tcp_port").MustInt(), 4150)
equal(t, producer.Get("tombstoned").MustBool(), false)
data, err = util.APIRequestNegotiateV1("GET", "http://127.0.0.1:4161/lookup?topic="+topicName, nil)
equal(t, err, nil)
producers, _ = data.Get("producers").Array()
equal(t, len(producers), 1)
producer = data.Get("producers").GetIndex(0)
equal(t, producer.Get("hostname").MustString(), hostname)
equal(t, producer.Get("broadcast_address").MustString(), hostname)
equal(t, producer.Get("tcp_port").MustInt(), 4150)
channels, _ := data.Get("channels").Array()
equal(t, len(channels), 1)
channel := channels[0].(string)
equal(t, channel, "ch")
data, err = util.APIRequestNegotiateV1("POST", "http://127.0.0.1:4151/topic/delete?topic="+topicName, nil)
equal(t, err, nil)
// allow some time for nsqd to push info to nsqlookupd
time.Sleep(350 * time.Millisecond)
data, err = util.APIRequestNegotiateV1("GET", "http://127.0.0.1:4161/lookup?topic="+topicName, nil)
equal(t, err, nil)
producers, _ = data.Get("producers").Array()
equal(t, len(producers), 0)
data, err = util.APIRequestNegotiateV1("GET", "http://127.0.0.1:4161/debug", nil)
equal(t, err, nil)
producers, _ = data.Get("topic:" + topicName + ":").Array()
equal(t, len(producers), 0)
producers, _ = data.Get("channel:" + topicName + ":ch").Array()
equal(t, len(producers), 0)
}
// GetLookupdProducers returns a slice of pointers to Producer structs
// containing metadata for each node connected to given lookupds
func GetLookupdProducers(lookupdHTTPAddrs []string) ([]*Producer, error) {
success := false
allProducers := make(map[string]*Producer, 0)
output := make([]*Producer, 0)
maxVersion, _ := semver.Parse("0.0.0")
var lock sync.Mutex
var wg sync.WaitGroup
for _, addr := range lookupdHTTPAddrs {
wg.Add(1)
endpoint := fmt.Sprintf("http://%s/nodes", addr)
log.Printf("LOOKUPD: querying %s", endpoint)
go func(addr string, endpoint string) {
data, err := util.APIRequestNegotiateV1("GET", endpoint, nil)
lock.Lock()
defer lock.Unlock()
defer wg.Done()
if err != nil {
log.Printf("ERROR: lookupd %s - %s", endpoint, err.Error())
return
}
success = true
producers := data.Get("producers")
producersArray, _ := producers.Array()
for i := range producersArray {
producer := producers.GetIndex(i)
remoteAddress := producer.Get("remote_address").MustString()
if remoteAddress == "" {
remoteAddress = "NA"
}
hostname := producer.Get("hostname").MustString()
broadcastAddress := producer.Get("broadcast_address").MustString()
httpPort := producer.Get("http_port").MustInt()
tcpPort := producer.Get("tcp_port").MustInt()
key := fmt.Sprintf("%s:%d:%d", broadcastAddress, httpPort, tcpPort)
p, ok := allProducers[key]
if !ok {
var tombstones []bool
var topics ProducerTopics
topicList, _ := producer.Get("topics").Array()
tombstoneList, err := producer.Get("tombstones").Array()
if err != nil {
// backwards compatibility with nsqlookupd < v0.2.22
tombstones = make([]bool, len(topicList))
} else {
for _, t := range tombstoneList {
tombstones = append(tombstones, t.(bool))
}
}
for i, t := range topicList {
topics = append(topics, ProducerTopic{
Topic: t.(string),
Tombstoned: tombstones[i],
})
}
sort.Sort(topics)
version := producer.Get("version").MustString("unknown")
versionObj, err := semver.Parse(version)
if err != nil {
versionObj = maxVersion
}
if maxVersion.Less(versionObj) {
maxVersion = versionObj
}
p = &Producer{
Hostname: hostname,
BroadcastAddress: broadcastAddress,
TcpPort: tcpPort,
HttpPort: httpPort,
Version: version,
VersionObj: versionObj,
Topics: topics,
}
allProducers[key] = p
output = append(output, p)
}
p.RemoteAddresses = append(p.RemoteAddresses, fmt.Sprintf("%s/%s", addr, remoteAddress))
}
}(addr, endpoint)
}
wg.Wait()
for _, producer := range allProducers {
if producer.VersionObj.Less(maxVersion) {
producer.OutOfDate = true
}
}
sort.Sort(ProducersByHost{output})
if success == false {
return nil, errors.New("unable to query any lookupd")
}
return output, nil
}
func (s *httpServer) tombstoneTopicProducerHandler(w http.ResponseWriter, req *http.Request) {
if req.Method != "POST" {
s.ctx.nsqadmin.logf("ERROR: invalid %s to POST only method", req.Method)
http.Error(w, "INVALID_REQUEST", 500)
return
}
reqParams := &util.PostParams{req}
topicName, err := reqParams.Get("topic")
if err != nil {
http.Error(w, "MISSING_ARG_TOPIC", 500)
return
}
node, err := reqParams.Get("node")
if err != nil {
http.Error(w, "MISSING_ARG_NODE", 500)
return
}
rd, _ := reqParams.Get("rd")
if !strings.HasPrefix(rd, "/") {
rd = "/"
}
// tombstone the topic on all the lookupds
for _, addr := range s.ctx.nsqadmin.opts.NSQLookupdHTTPAddresses {
nsqlookupdVersion, err := lookupd.GetVersion(addr)
if err != nil {
s.ctx.nsqadmin.logf("ERROR: failed to get nsqlookupd %s version - %s", addr, err)
}
uri := "tombstone_topic_producer"
if !nsqlookupdVersion.Less(v1EndpointVersion) {
uri = "topic/tombstone"
}
endpoint := fmt.Sprintf("http://%s/%s?topic=%s&node=%s",
addr, uri,
url.QueryEscape(topicName), url.QueryEscape(node))
s.ctx.nsqadmin.logf("LOOKUPD: querying %s", endpoint)
_, err = util.APIRequestNegotiateV1("POST", endpoint, nil)
if err != nil {
s.ctx.nsqadmin.logf("ERROR: lookupd %s - %s", endpoint, err)
}
}
nsqdVersion, err := lookupd.GetVersion(node)
if err != nil {
s.ctx.nsqadmin.logf("ERROR: failed to get nsqd %s version - %s", node, err)
}
uri := "delete_topic"
if !nsqdVersion.Less(v1EndpointVersion) {
uri = "topic/delete"
}
// delete the topic on the producer
endpoint := fmt.Sprintf("http://%s/%s?topic=%s", node,
uri, url.QueryEscape(topicName))
s.ctx.nsqadmin.logf("NSQD: querying %s", endpoint)
_, err = util.APIRequestNegotiateV1("POST", endpoint, nil)
if err != nil {
s.ctx.nsqadmin.logf("ERROR: nsqd %s - %s", endpoint, err)
}
s.notifyAdminAction("tombstone_topic_producer", topicName, "", node, req)
http.Redirect(w, req, rd, 302)
}
func (s *httpServer) createTopicChannelHandler(w http.ResponseWriter, req *http.Request) {
if req.Method != "POST" {
s.ctx.nsqadmin.logf("ERROR: invalid %s to POST only method", req.Method)
http.Error(w, "INVALID_REQUEST", 500)
return
}
reqParams := &util.PostParams{req}
topicName, err := reqParams.Get("topic")
if err != nil || !util.IsValidTopicName(topicName) {
http.Error(w, "INVALID_TOPIC", 500)
return
}
channelName, err := reqParams.Get("channel")
if err != nil || (len(channelName) > 0 && !util.IsValidChannelName(channelName)) {
http.Error(w, "INVALID_CHANNEL", 500)
return
}
for _, addr := range s.ctx.nsqadmin.opts.NSQLookupdHTTPAddresses {
nsqlookupdVersion, err := lookupd.GetVersion(addr)
if err != nil {
s.ctx.nsqadmin.logf("ERROR: failed to get nsqlookupd %s version - %s", addr, err)
}
uri := "create_topic"
if !nsqlookupdVersion.Less(v1EndpointVersion) {
uri = "topic/create"
}
endpoint := fmt.Sprintf("http://%s/%s?topic=%s", addr,
uri, url.QueryEscape(topicName))
s.ctx.nsqadmin.logf("LOOKUPD: querying %s", endpoint)
_, err = util.APIRequestNegotiateV1("POST", endpoint, nil)
if err != nil {
s.ctx.nsqadmin.logf("ERROR: lookupd %s - %s", endpoint, err)
continue
}
if len(channelName) > 0 {
uri := "create_channel"
if !nsqlookupdVersion.Less(v1EndpointVersion) {
uri = "channel/create"
}
endpoint := fmt.Sprintf("http://%s/%s?topic=%s&channel=%s",
addr, uri,
url.QueryEscape(topicName),
url.QueryEscape(channelName))
s.ctx.nsqadmin.logf("LOOKUPD: querying %s", endpoint)
_, err := util.APIRequestNegotiateV1("POST", endpoint, nil)
if err != nil {
s.ctx.nsqadmin.logf("ERROR: lookupd %s - %s", endpoint, err)
continue
}
}
}
s.notifyAdminAction("create_topic", topicName, "", "", req)
if len(channelName) > 0 {
// TODO: we can remove this when we push new channel information from nsqlookupd -> nsqd
producerAddrs, _ := lookupd.GetLookupdTopicProducers(topicName,
s.ctx.nsqadmin.opts.NSQLookupdHTTPAddresses)
s.performVersionNegotiatedRequestsToNSQD(
s.ctx.nsqadmin.opts.NSQLookupdHTTPAddresses,
producerAddrs,
"create_channel",
"channel/create",
fmt.Sprintf("topic=%s&channel=%s",
url.QueryEscape(topicName), url.QueryEscape(channelName)))
s.notifyAdminAction("create_channel", topicName, channelName, "", req)
}
http.Redirect(w, req, "/lookup", 302)
}
func TestBasicLookupd(t *testing.T) {
opts := NewNSQLookupdOptions()
opts.Logger = newTestLogger(t)
tcpAddr, httpAddr, nsqlookupd := mustStartLookupd(opts)
defer nsqlookupd.Exit()
topics := nsqlookupd.DB.FindRegistrations("topic", "*", "*")
equal(t, len(topics), 0)
topicName := "connectmsg"
conn := mustConnectLookupd(t, tcpAddr)
tcpPort := 5000
httpPort := 5555
identify(t, conn, "ip.address", tcpPort, httpPort, "fake-version")
nsq.Register(topicName, "channel1").WriteTo(conn)
v, err := nsq.ReadResponse(conn)
equal(t, err, nil)
equal(t, v, []byte("OK"))
endpoint := fmt.Sprintf("http://%s/nodes", httpAddr)
data, err := util.APIRequestNegotiateV1("GET", endpoint, nil)
t.Logf("got %v", data)
returnedProducers, err := data.Get("producers").Array()
equal(t, err, nil)
equal(t, len(returnedProducers), 1)
topics = nsqlookupd.DB.FindRegistrations("topic", topicName, "")
equal(t, len(topics), 1)
producers := nsqlookupd.DB.FindProducers("topic", topicName, "")
equal(t, len(producers), 1)
producer := producers[0]
equal(t, producer.peerInfo.BroadcastAddress, "ip.address")
equal(t, producer.peerInfo.Hostname, "ip.address")
equal(t, producer.peerInfo.TcpPort, tcpPort)
equal(t, producer.peerInfo.HttpPort, httpPort)
endpoint = fmt.Sprintf("http://%s/topics", httpAddr)
data, err = util.APIRequestNegotiateV1("GET", endpoint, nil)
equal(t, err, nil)
returnedTopics, err := data.Get("topics").Array()
t.Logf("got returnedTopics %v", returnedTopics)
equal(t, err, nil)
equal(t, len(returnedTopics), 1)
endpoint = fmt.Sprintf("http://%s/lookup?topic=%s", httpAddr, topicName)
data, err = util.APIRequestNegotiateV1("GET", endpoint, nil)
equal(t, err, nil)
returnedChannels, err := data.Get("channels").Array()
equal(t, err, nil)
equal(t, len(returnedChannels), 1)
returnedProducers, err = data.Get("producers").Array()
t.Logf("got returnedProducers %v", returnedProducers)
equal(t, err, nil)
equal(t, len(returnedProducers), 1)
for i := range returnedProducers {
producer := data.Get("producers").GetIndex(i)
t.Logf("producer %v", producer)
port, err := producer.Get("tcp_port").Int()
equal(t, err, nil)
equal(t, port, tcpPort)
port, err = producer.Get("http_port").Int()
equal(t, err, nil)
equal(t, port, httpPort)
broadcastaddress, err := producer.Get("broadcast_address").String()
equal(t, err, nil)
equal(t, broadcastaddress, "ip.address")
ver, err := producer.Get("version").String()
equal(t, err, nil)
equal(t, ver, "fake-version")
}
conn.Close()
time.Sleep(10 * time.Millisecond)
// now there should be no producers, but still topic/channel entries
data, err = util.APIRequestNegotiateV1("GET", endpoint, nil)
equal(t, err, nil)
returnedChannels, err = data.Get("channels").Array()
equal(t, err, nil)
equal(t, len(returnedChannels), 1)
returnedProducers, err = data.Get("producers").Array()
equal(t, err, nil)
equal(t, len(returnedProducers), 0)
}
// GetNSQDStats returns aggregate topic and channel stats from the given NSQD instances
//
// if selectedTopic is empty, this will return stats for *all* topic/channels
// and the ChannelStats dict will be keyed by topic + ':' + channel
func GetNSQDStats(nsqdHTTPAddrs []string, selectedTopic string) ([]*TopicStats, map[string]*ChannelStats, error) {
var lock sync.Mutex
var wg sync.WaitGroup
topicStatsList := make(TopicStatsList, 0)
channelStatsMap := make(map[string]*ChannelStats)
success := false
for _, addr := range nsqdHTTPAddrs {
wg.Add(1)
endpoint := fmt.Sprintf("http://%s/stats?format=json", addr)
log.Printf("NSQD: querying %s", endpoint)
go func(endpoint string, addr string) {
data, err := util.APIRequestNegotiateV1("GET", endpoint, nil)
lock.Lock()
defer lock.Unlock()
defer wg.Done()
if err != nil {
log.Printf("ERROR: lookupd %s - %s", endpoint, err.Error())
return
}
success = true
topics, _ := data.Get("topics").Array()
for i := range topics {
t := data.Get("topics").GetIndex(i)
topicName := t.Get("topic_name").MustString()
if selectedTopic != "" && topicName != selectedTopic {
continue
}
depth := t.Get("depth").MustInt64()
backendDepth := t.Get("backend_depth").MustInt64()
channels := t.Get("channels").MustArray()
e2eProcessingLatency := util.E2eProcessingLatencyAggregateFromJson(t.Get("e2e_processing_latency"), topicName, "", addr)
topicStats := &TopicStats{
HostAddress: addr,
TopicName: topicName,
Depth: depth,
BackendDepth: backendDepth,
MemoryDepth: depth - backendDepth,
MessageCount: t.Get("message_count").MustInt64(),
ChannelCount: len(channels),
Paused: t.Get("paused").MustBool(),
E2eProcessingLatency: e2eProcessingLatency,
}
topicStatsList = append(topicStatsList, topicStats)
for j := range channels {
c := t.Get("channels").GetIndex(j)
channelName := c.Get("channel_name").MustString()
key := channelName
if selectedTopic == "" {
key = fmt.Sprintf("%s:%s", topicName, channelName)
}
channelStats, ok := channelStatsMap[key]
if !ok {
channelStats = &ChannelStats{
HostAddress: addr,
TopicName: topicName,
ChannelName: channelName,
}
channelStatsMap[key] = channelStats
}
depth := c.Get("depth").MustInt64()
backendDepth := c.Get("backend_depth").MustInt64()
clients := c.Get("clients").MustArray()
e2eProcessingLatency := util.E2eProcessingLatencyAggregateFromJson(c.Get("e2e_processing_latency"), topicName, channelName, addr)
hostChannelStats := &ChannelStats{
HostAddress: addr,
TopicName: topicName,
ChannelName: channelName,
Depth: depth,
BackendDepth: backendDepth,
MemoryDepth: depth - backendDepth,
Paused: c.Get("paused").MustBool(),
InFlightCount: c.Get("in_flight_count").MustInt64(),
DeferredCount: c.Get("deferred_count").MustInt64(),
MessageCount: c.Get("message_count").MustInt64(),
RequeueCount: c.Get("requeue_count").MustInt64(),
TimeoutCount: c.Get("timeout_count").MustInt64(),
E2eProcessingLatency: e2eProcessingLatency,
// TODO: this is sort of wrong; clients should be de-duped
// client A that connects to NSQD-a and NSQD-b should only be counted once. right?
ClientCount: len(clients),
}
channelStats.Add(hostChannelStats)
for k := range clients {
client := c.Get("clients").GetIndex(k)
connected := time.Unix(client.Get("connect_ts").MustInt64(), 0)
connectedDuration := time.Now().Sub(connected).Seconds()
clientId := client.Get("clientId").MustString()
if clientId == "" {
// TODO: deprecated, remove in 1.0
name := client.Get("name").MustString()
remoteAddressParts := strings.Split(client.Get("remote_address").MustString(), ":")
port := remoteAddressParts[len(remoteAddressParts)-1]
if len(remoteAddressParts) < 2 {
port = "NA"
}
clientId = fmt.Sprintf("%s:%s", name, port)
}
clientStats := &ClientStats{
HostAddress: addr,
RemoteAddress: client.Get("remote_address").MustString(),
Version: client.Get("version").MustString(),
ClientID: clientId,
Hostname: client.Get("hostname").MustString(),
UserAgent: client.Get("user_agent").MustString(),
ConnectedDuration: time.Duration(int64(connectedDuration)) * time.Second, // truncate to second
InFlightCount: client.Get("in_flight_count").MustInt(),
ReadyCount: client.Get("ready_count").MustInt(),
FinishCount: client.Get("finish_count").MustInt64(),
RequeueCount: client.Get("requeue_count").MustInt64(),
MessageCount: client.Get("message_count").MustInt64(),
SampleRate: int32(client.Get("sample_rate").MustInt()),
TLS: client.Get("tls").MustBool(),
Deflate: client.Get("deflate").MustBool(),
Snappy: client.Get("snappy").MustBool(),
Authed: client.Get("authed").MustBool(),
AuthIdentity: client.Get("auth_identity").MustString(),
AuthIdentityUrl: client.Get("auth_identity_url").MustString(),
}
hostChannelStats.Clients = append(hostChannelStats.Clients, clientStats)
channelStats.Clients = append(channelStats.Clients, clientStats)
}
sort.Sort(ClientsByHost{hostChannelStats.Clients})
sort.Sort(ClientsByHost{channelStats.Clients})
topicStats.Channels = append(topicStats.Channels, hostChannelStats)
}
}
sort.Sort(TopicStatsByHost{topicStatsList})
}(endpoint, addr)
}
wg.Wait()
if success == false {
return nil, nil, errors.New("unable to query any nsqd")
}
return topicStatsList, channelStatsMap, nil
}
