Exemplo n.º 1
0
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,
	})
}
Exemplo n.º 2
0
func (ctl *Ctl) run() {
	defer close(ctl.doneCh)

	memberNodes, err := CurrentMemberNodes(ctl.cfg)
	if err != nil {
		ctl.initCh <- err
		close(ctl.initCh)
		return
	}

	planPIndexes, _, err := cbgt.PlannerGetPlanPIndexes(ctl.cfg, cbgt.VERSION)
	if err != nil {
		ctl.initCh <- err
		close(ctl.initCh)
		return
	}

	ctl.m.Lock()

	ctl.incRevNumLOCKED()

	ctl.memberNodes = memberNodes

	if planPIndexes != nil {
		ctl.prevWarnings = planPIndexes.Warnings
	}

	ctl.m.Unlock()

	// -----------------------------------------------------------

	err = ctl.cfg.Subscribe(cbgt.INDEX_DEFS_KEY, ctl.cfgEventCh)
	if err != nil {
		ctl.initCh <- err
		close(ctl.initCh)
		return
	}

	var lastIndexDefs *cbgt.IndexDefs

	kickIndexDefs := func(kind string) error {
		log.Printf("ctl: kickIndexDefs, kind: %s", kind)

		indexDefs, _, err := cbgt.CfgGetIndexDefs(ctl.cfg)
		if err != nil {
			log.Printf("ctl: kickIndexDefs, kind: %s, CfgGetIndexDefs,"+
				" err: %v", kind, err)
			return err
		}

		if kind == "init" || kind == "force" || kind == "force-indexDefs" ||
			!reflect.DeepEqual(lastIndexDefs, indexDefs) {
			err = ctl.IndexDefsChanged()
			if err != nil {
				log.Printf("ctl: kickIndexDefs, kind: %s, IndexDefsChanged,"+
					" err: %v", kind, err)
			}
		}

		lastIndexDefs = indexDefs

		return err
	}

	err = kickIndexDefs("init")
	if err != nil {
		ctl.initCh <- err
		close(ctl.initCh)
		return
	}

	// -----------------------------------------------------------

	close(ctl.initCh)

	for {
		select {
		case <-ctl.stopCh:
			ctl.dispatchCtl("", "stop", nil, nil)
			return

		case <-ctl.cfgEventCh:
			kickIndexDefs("cfgEvent")
		}
	}
}
Exemplo n.º 3
0
// The indexName/indexUUID is for a user-defined index alias.
//
// TODO: One day support user-defined aliases for non-bleve indexes.
func bleveIndexAliasForUserIndexAlias(mgr *cbgt.Manager,
	indexName, indexUUID string, ensureCanRead bool,
	consistencyParams *cbgt.ConsistencyParams,
	cancelCh <-chan bool) (
	bleve.IndexAlias, error) {
	alias := bleve.NewIndexAlias()

	indexDefs, _, err := cbgt.CfgGetIndexDefs(mgr.Cfg())
	if err != nil {
		return nil, fmt.Errorf("alias: could not get indexDefs,"+
			" indexName: %s, err: %v", indexName, err)
	}

	num := 0

	var fillAlias func(aliasName, aliasUUID string) error

	fillAlias = func(aliasName, aliasUUID string) error {
		aliasDef := indexDefs.IndexDefs[aliasName]
		if aliasDef == nil {
			return fmt.Errorf("alias: could not get aliasDef,"+
				" aliasName: %s, indexName: %s",
				aliasName, indexName)
		}
		if aliasDef.Type != "alias" {
			return fmt.Errorf("alias: not alias type: %s,"+
				" aliasName: %s, indexName: %s",
				aliasDef.Type, aliasName, indexName)
		}
		if aliasUUID != "" &&
			aliasUUID != aliasDef.UUID {
			return fmt.Errorf("alias: mismatched aliasUUID: %s,"+
				" aliasDef.UUID: %s, aliasName: %s, indexName: %s",
				aliasUUID, aliasDef.UUID, aliasName, indexName)
		}

		params := AliasParams{}
		err := json.Unmarshal([]byte(aliasDef.Params), &params)
		if err != nil {
			return fmt.Errorf("alias: could not parse aliasDef.Params: %s,"+
				" aliasName: %s, indexName: %s",
				aliasDef.Params, aliasName, indexName)
		}

		for targetName, targetSpec := range params.Targets {
			if num > maxAliasTargets {
				return fmt.Errorf("alias: too many alias targets,"+
					" perhaps there's a cycle,"+
					" aliasName: %s, indexName: %s",
					aliasName, indexName)
			}
			targetDef := indexDefs.IndexDefs[targetName]
			if targetDef == nil {
				return fmt.Errorf("alias: the alias depends upon"+
					" a target index that does not exist,"+
					" targetName: %q, aliasName: %q",
					targetName, aliasName)
			}
			if targetSpec.IndexUUID != "" &&
				targetSpec.IndexUUID != targetDef.UUID {
				return fmt.Errorf("alias: mismatched targetSpec.UUID: %s,"+
					" targetDef.UUID: %s, targetName: %s,"+
					" aliasName: %s, indexName: %s",
					targetSpec.IndexUUID, targetDef.UUID, targetName,
					aliasName, indexName)
			}

			// TODO: Convert to registered callbacks instead of if-else-if.
			if targetDef.Type == "alias" {
				err = fillAlias(targetName, targetSpec.IndexUUID)
				if err != nil {
					return err
				}
			} else if strings.HasPrefix(targetDef.Type, "bleve") {
				subAlias, err := bleveIndexAlias(mgr, targetName,
					targetSpec.IndexUUID, ensureCanRead,
					consistencyParams, cancelCh)
				if err != nil {
					return err
				}
				alias.Add(subAlias)
				num += 1
			} else {
				return fmt.Errorf("alias: unsupported target type: %s,"+
					" targetName: %s, aliasName: %s, indexName: %s",
					targetDef.Type, targetName, aliasName, indexName)
			}
		}

		return nil
	}

	err = fillAlias(indexName, indexUUID)
	if err != nil {
		return nil, err
	}

	return alias, nil
}
Exemplo n.º 4
0
func TestManagerIndexControl(t *testing.T) {
	emptyDir, _ := ioutil.TempDir("./tmp", "test")
	defer os.RemoveAll(emptyDir)

	cfg := cbgt.NewCfgMem()
	m := cbgt.NewManager(cbgt.VERSION, cfg, cbgt.NewUUID(),
		nil, "", 1, "", ":1000", emptyDir, "some-datasource", nil)
	if err := m.Start("wanted"); err != nil {
		t.Errorf("expected Manager.Start() to work, err: %v", err)
	}
	sourceParams := ""
	if err := m.CreateIndex("primary", "default", "123", sourceParams,
		"bleve", "foo", "", cbgt.PlanParams{}, ""); err != nil {
		t.Errorf("expected CreateIndex() to work, err: %v", err)
	}
	m.Kick("test0")
	m.PlannerNOOP("test0")

	err := m.IndexControl("foo", "wrong-uuid", "", "", "")
	if err == nil {
		t.Errorf("expected err on wrong UUID")
	}

	indexDefs, _, _ := cbgt.CfgGetIndexDefs(cfg)
	npp := indexDefs.IndexDefs["foo"].PlanParams.NodePlanParams[""]
	if npp != nil {
		t.Errorf("expected nil npp")
	}

	err = m.IndexControl("foo", "", "", "", "")
	if err != nil {
		t.Errorf("expected ok")
	}
	indexDefs, _, _ = cbgt.CfgGetIndexDefs(cfg)
	npp = indexDefs.IndexDefs["foo"].PlanParams.NodePlanParams[""]
	if npp == nil {
		t.Errorf("expected npp")
	}
	if npp[""] != nil {
		t.Errorf("expected nil npp.sub")
	}

	err = m.IndexControl("foo", "", "disallow", "", "")
	if err != nil {
		t.Errorf("expected ok")
	}
	indexDefs, _, _ = cbgt.CfgGetIndexDefs(cfg)
	npp = indexDefs.IndexDefs["foo"].PlanParams.NodePlanParams[""]
	if npp == nil {
		t.Errorf("expected npp")
	}
	if npp[""] == nil {
		t.Errorf("expected npp.sub")
	}
	if npp[""].CanRead {
		t.Errorf("expected CanRead false")
	}
	if !npp[""].CanWrite {
		t.Errorf("expected CanWrite")
	}

	err = m.IndexControl("foo", "", "", "", "")
	if err != nil {
		t.Errorf("expected ok")
	}
	indexDefs, _, _ = cbgt.CfgGetIndexDefs(cfg)
	npp = indexDefs.IndexDefs["foo"].PlanParams.NodePlanParams[""]
	if npp == nil {
		t.Errorf("expected npp")
	}
	if npp[""] == nil {
		t.Errorf("expected npp.sub")
	}
	if npp[""].CanRead {
		t.Errorf("expected CanRead false")
	}
	if !npp[""].CanWrite {
		t.Errorf("expected CanWrite")
	}

	err = m.IndexControl("foo", "", "", "pause", "")
	if err != nil {
		t.Errorf("expected ok")
	}
	indexDefs, _, _ = cbgt.CfgGetIndexDefs(cfg)
	npp = indexDefs.IndexDefs["foo"].PlanParams.NodePlanParams[""]
	if npp == nil {
		t.Errorf("expected npp")
	}
	if npp[""] == nil {
		t.Errorf("expected npp.sub")
	}
	if npp[""].CanRead {
		t.Errorf("expected CanRead false")
	}
	if npp[""].CanWrite {
		t.Errorf("expected CanWrite false")
	}

	err = m.IndexControl("foo", "", "", "", "")
	if err != nil {
		t.Errorf("expected ok")
	}
	indexDefs, _, _ = cbgt.CfgGetIndexDefs(cfg)
	npp = indexDefs.IndexDefs["foo"].PlanParams.NodePlanParams[""]
	if npp == nil {
		t.Errorf("expected npp")
	}
	if npp[""] == nil {
		t.Errorf("expected npp.sub")
	}
	if npp[""].CanRead {
		t.Errorf("expected CanRead false")
	}
	if npp[""].CanWrite {
		t.Errorf("expected CanWrite false")
	}

	err = m.IndexControl("foo", "", "", "resume", "")
	if err != nil {
		t.Errorf("expected ok")
	}
	indexDefs, _, _ = cbgt.CfgGetIndexDefs(cfg)
	npp = indexDefs.IndexDefs["foo"].PlanParams.NodePlanParams[""]
	if npp == nil {
		t.Errorf("expected npp")
	}
	if npp[""] == nil {
		t.Errorf("expected npp.sub")
	}
	if npp[""].CanRead {
		t.Errorf("expected CanRead false")
	}
	if !npp[""].CanWrite {
		t.Errorf("expected CanWrite")
	}

	err = m.IndexControl("foo", "", "allow", "resume", "")
	if err != nil {
		t.Errorf("expected ok")
	}
	indexDefs, _, _ = cbgt.CfgGetIndexDefs(cfg)
	npp = indexDefs.IndexDefs["foo"].PlanParams.NodePlanParams[""]
	if npp == nil {
		t.Errorf("expected npp")
	}
	if npp[""] != nil {
		t.Errorf("expected nil npp.sub")
	}

	if indexDefs.IndexDefs["foo"].PlanParams.PlanFrozen {
		t.Errorf("expected not yet frozen")
	}
	err = m.IndexControl("foo", "", "", "", "freeze")
	if err != nil {
		t.Errorf("expected ok")
	}
	indexDefs, _, _ = cbgt.CfgGetIndexDefs(cfg)
	if !indexDefs.IndexDefs["foo"].PlanParams.PlanFrozen {
		t.Errorf("expected frozen")
	}

	err = m.IndexControl("foo", "", "", "", "unfreeze")
	if err != nil {
		t.Errorf("expected ok")
	}
	indexDefs, _, _ = cbgt.CfgGetIndexDefs(cfg)
	if indexDefs.IndexDefs["foo"].PlanParams.PlanFrozen {
		t.Errorf("expected not frozen")
	}
}