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)
}
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 (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)
}