// Collect collects all mongodb's metrics.
func (exporter *MongodbCollector) Collect(ch chan<- prometheus.Metric) {
mongoSess := shared.MongoSession(exporter.Opts.URI)
defer mongoSess.Close()
if mongoSess != nil {
serverVersion, err := shared.MongoSessionServerVersion(mongoSess)
if err != nil {
glog.Errorf("Problem gathering the mongo server version: %s", err)
}
nodeType, err := shared.MongoSessionNodeType(mongoSess)
if err != nil {
glog.Errorf("Problem gathering the mongo node type: %s", err)
}
glog.Infof("Connected to: %s (node type: %s, server version: %s)", exporter.Opts.URI, nodeType, serverVersion)
switch {
case nodeType == "mongos":
exporter.collectMongos(mongoSess, ch)
case nodeType == "mongod":
exporter.collectMongod(mongoSess, ch)
case nodeType == "replset":
exporter.collectMongodReplSet(mongoSess, ch)
default:
glog.Infof("Unrecognized node type %s!", nodeType)
}
}
}
// Describe describes all mongodb's metrics.
func (exporter *MongodbCollector) Describe(ch chan<- *prometheus.Desc) {
glog.Info("Describing groups")
session := shared.MongoSession(exporter.Opts.URI)
defer session.Close()
if session != nil {
serverStatus := collector_mongos.GetServerStatus(session)
if serverStatus != nil {
serverStatus.Describe(ch)
}
}
}