コード例 #1
0
ファイル: rest_manage.go プロジェクト: couchbase/cbgt
func (h *CfgGetHandler) ServeHTTP(
	w http.ResponseWriter, req *http.Request) {
	// TODO: Might need to scrub auth passwords from this output.
	cfg := h.mgr.Cfg()
	indexDefs, indexDefsCAS, indexDefsErr :=
		cbgt.CfgGetIndexDefs(cfg)
	nodeDefsWanted, nodeDefsWantedCAS, nodeDefsWantedErr :=
		cbgt.CfgGetNodeDefs(cfg, cbgt.NODE_DEFS_WANTED)
	nodeDefsKnown, nodeDefsKnownCAS, nodeDefsKnownErr :=
		cbgt.CfgGetNodeDefs(cfg, cbgt.NODE_DEFS_KNOWN)
	planPIndexes, planPIndexesCAS, planPIndexesErr :=
		cbgt.CfgGetPlanPIndexes(cfg)
	MustEncode(w, RESTCfg{
		Status:            "ok",
		IndexDefs:         indexDefs,
		IndexDefsCAS:      indexDefsCAS,
		IndexDefsErr:      indexDefsErr,
		NodeDefsWanted:    nodeDefsWanted,
		NodeDefsWantedCAS: nodeDefsWantedCAS,
		NodeDefsWantedErr: nodeDefsWantedErr,
		NodeDefsKnown:     nodeDefsKnown,
		NodeDefsKnownCAS:  nodeDefsKnownCAS,
		NodeDefsKnownErr:  nodeDefsKnownErr,
		PlanPIndexes:      planPIndexes,
		PlanPIndexesCAS:   planPIndexesCAS,
		PlanPIndexesErr:   planPIndexesErr,
	})
}
コード例 #2
0
ファイル: ns_server.go プロジェクト: trebogeer/cbft
func (h *NsStatusHandler) ServeHTTP(
	w http.ResponseWriter, req *http.Request) {

	cfg := h.mgr.Cfg()
	planPIndexes, _, err := cbgt.CfgGetPlanPIndexes(cfg)
	if err != nil {
		rest.ShowError(w, req, "could not retrieve plan pIndexes", 500)
		return
	}

	nodesDefs, _, err := cbgt.CfgGetNodeDefs(cfg, cbgt.NODE_DEFS_WANTED)
	if err != nil {
		rest.ShowError(w, req, "could not retrieve node defs (wanted)", 500)
		return
	}

	_, indexDefsMap, err := h.mgr.GetIndexDefs(false)
	if err != nil {
		rest.ShowError(w, req, "could not retrieve index defs", 500)
		return
	}

	w.Write(cbgt.JsonOpenBrace)
	w.Write(statsNamePrefix)
	w.Write([]byte("status"))
	w.Write(statsNameSuffix)
	w.Write([]byte("["))

	indexDefNames := make(sort.StringSlice, 0, len(indexDefsMap))
	for indexDefName := range indexDefsMap {
		indexDefNames = append(indexDefNames, indexDefName)
	}

	sort.Sort(indexDefNames)

	for i, indexDefName := range indexDefNames {
		indexDef := indexDefsMap[indexDefName]
		if i > 0 {
			w.Write(cbgt.JsonComma)
		}

		rest.MustEncode(w, struct {
			Completion int      `json:"completion"`
			Hosts      []string `json:"hosts"`
			Status     string   `json:"status"`
			Bucket     string   `json:"bucket"`
			Name       string   `json:"name"`
		}{
			Bucket: indexDef.SourceName,
			Name:   indexDefName,
			Hosts:  HostsForIndex(indexDefName, planPIndexes, nodesDefs),
			// FIXME hard-coded
			Completion: 100,
			Status:     "Ready",
		})

	}
	w.Write([]byte("],"))
	w.Write(statsNamePrefix)
	w.Write([]byte("code"))
	w.Write(statsNameSuffix)
	w.Write([]byte("\"success\""))
	w.Write(cbgt.JsonCloseBrace)

}
コード例 #3
0
ファイル: ns_server.go プロジェクト: couchbase/cbft
func RunRecentInfoCache(mgr *cbgt.Manager) {
	cfg := mgr.Cfg()

	cfgChangedCh := make(chan struct{}, 10)

	go func() { // Debounce cfg events to feed into the cfgChangedCh.
		ech := make(chan cbgt.CfgEvent)
		cfg.Subscribe(cbgt.PLAN_PINDEXES_KEY, ech)

		for {
			<-ech // First, wait for a cfg event.

			debounceTimeCh := time.After(500 * time.Millisecond)

		DEBOUNCE_LOOP:
			for {
				select {
				case <-ech:
					// NO-OP when there are more, spammy cfg events.

				case <-debounceTimeCh:
					break DEBOUNCE_LOOP
				}
			}

			cfgChangedCh <- struct{}{}
		}
	}()

	tickCh := time.Tick(1 * time.Minute)

	for {
		var nodeDefs *cbgt.NodeDefs
		var planPIndexes *cbgt.PlanPIndexes

		indexDefs, indexDefsMap, err := mgr.GetIndexDefs(false)
		if err == nil {
			nodeDefs, _, err = cbgt.CfgGetNodeDefs(cfg, cbgt.NODE_DEFS_WANTED)
			if err == nil {
				planPIndexes, _, err = cbgt.CfgGetPlanPIndexes(cfg)
			}
		}

		rd := &recentInfo{
			indexDefs:    indexDefs,
			indexDefsMap: indexDefsMap,
			nodeDefs:     nodeDefs,
			planPIndexes: planPIndexes,
			err:          err,
		}

		runtime.ReadMemStats(&rd.memStats)

	REUSE_CACHE:
		for {
			select {
			case <-cfgChangedCh:
				break REUSE_CACHE

			case <-tickCh:
				break REUSE_CACHE

			case recentInfoCh <- rd:
				if rd.err != nil {
					break REUSE_CACHE
				}
			}
		}
	}
}