コード例 #1
0
ファイル: http.go プロジェクト: zhangyuchen0411/nsq
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 := &http_api.PostParams{req}

	topicName, channelName, err := http_api.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.LT(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 = http_api.NegotiateV1("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)
}
コード例 #2
0
ファイル: http.go プロジェクト: zhangyuchen0411/nsq
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 := &http_api.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.LT(v1EndpointVersion) {
			uri = "topic/delete"
		}

		endpoint := fmt.Sprintf("http://%s/%s?topic=%s", addr, uri, url.QueryEscape(topicName))
		s.ctx.nsqadmin.logf("LOOKUPD: querying %s", endpoint)
		_, err = http_api.NegotiateV1("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)
}
コード例 #3
0
ファイル: http.go プロジェクト: zhangyuchen0411/nsq
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.NE(semver.Version{}) && nodeVer.GTE(v1EndpointVersion) {
			uri = v1URI
		}

		endpoint := fmt.Sprintf("http://%s/%s?%s", addr, uri, queryString)
		s.ctx.nsqadmin.logf("NSQD: querying %s", endpoint)
		_, err := http_api.NegotiateV1("POST", endpoint, nil)
		if err != nil {
			s.ctx.nsqadmin.logf("ERROR: nsqd %s - %s", endpoint, err)
			continue
		}
	}
}
コード例 #4
0
ファイル: http.go プロジェクト: zhangyuchen0411/nsq
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 := &http_api.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.LT(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 = http_api.NegotiateV1("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.LT(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 = http_api.NegotiateV1("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)
}
コード例 #5
0
ファイル: http.go プロジェクト: zhangyuchen0411/nsq
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 := &http_api.PostParams{req}

	topicName, err := reqParams.Get("topic")
	if err != nil || !protocol.IsValidTopicName(topicName) {
		http.Error(w, "INVALID_TOPIC", 500)
		return
	}

	channelName, err := reqParams.Get("channel")
	if err != nil || (len(channelName) > 0 && !protocol.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.LT(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 = http_api.NegotiateV1("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.LT(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 := http_api.NegotiateV1("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)
}