// Update takes in a ServerStatus and returns a StatLine if it has a previous record
func (sc *StatConsumer) Update(newStat *status.ServerStatus) (l *line.StatLine, seen bool) {
oldStat, seen := sc.oldStats[newStat.Host]
sc.oldStats[newStat.Host] = newStat
if seen {
l = line.NewStatLine(oldStat, newStat, sc.headers, sc.readerConfig)
return
}
if sc.flags != 0 {
if status.IsMMAP(newStat) {
sc.flags |= line.FlagMMAP
} else if status.IsWT(newStat) {
sc.flags |= line.FlagWT
}
if status.IsReplSet(newStat) {
sc.flags |= line.FlagRepl
}
if status.HasLocks(newStat) {
sc.flags |= line.FlagLocks
}
// Modify headers
sc.headers = []string{}
for _, desc := range line.CondHeaders {
if desc.Flag&sc.flags == desc.Flag {
sc.headers = append(sc.headers, desc.Key)
}
}
sc.headers = append(sc.headers, sc.customHeaders...)
}
return
}
func TestStatLine(t *testing.T) {
testutil.VerifyTestType(t, testutil.UnitTestType)
defaultHeaders := make([]string, len(line.CondHeaders))
for i, h := range line.CondHeaders {
defaultHeaders[i] = h.Key
}
defaultConfig := &status.ReaderConfig{
HumanReadable: true,
}
serverStatusOld := readBSONFile("test_data/server_status_old.bson", t)
serverStatusNew := readBSONFile("test_data/server_status_new.bson", t)
serverStatusNew.ShardCursorType = nil
serverStatusOld.ShardCursorType = nil
Convey("StatsLine should accurately calculate opcounter diffs", t, func() {
statsLine := line.NewStatLine(serverStatusOld, serverStatusNew, defaultHeaders, defaultConfig)
So(statsLine.Fields["insert"], ShouldEqual, "10")
So(statsLine.Fields["query"], ShouldEqual, "5")
So(statsLine.Fields["update"], ShouldEqual, "7")
So(statsLine.Fields["delete"], ShouldEqual, "2")
So(statsLine.Fields["getmore"], ShouldEqual, "3")
command := strings.Split(statsLine.Fields["command"], "|")[0]
So(command, ShouldEqual, "669")
So(statsLine.Fields["faults"], ShouldEqual, "5")
locked := strings.Split(statsLine.Fields["locked_db"], ":")
So(locked[0], ShouldEqual, "test")
So(locked[1], ShouldEqual, "50.0%")
qrw := strings.Split(statsLine.Fields["qrw"], "|")
So(qrw[0], ShouldEqual, "3")
So(qrw[1], ShouldEqual, "2")
arw := strings.Split(statsLine.Fields["arw"], "|")
So(arw[0], ShouldEqual, "4")
So(arw[1], ShouldEqual, "6")
So(statsLine.Fields["net_in"], ShouldEqual, "2.00k")
So(statsLine.Fields["net_out"], ShouldEqual, "3.00k")
So(statsLine.Fields["conn"], ShouldEqual, "5")
})
serverStatusNew.SampleTime, _ = time.Parse("2006 Jan 02 15:04:05", "2015 Nov 30 4:25:33")
Convey("StatsLine with non-default interval should calculate average diffs", t, func() {
statsLine := line.NewStatLine(serverStatusOld, serverStatusNew, defaultHeaders, defaultConfig)
// Opcounters and faults are averaged over sample period
So(statsLine.Fields["insert"], ShouldEqual, "3")
So(statsLine.Fields["query"], ShouldEqual, "1")
So(statsLine.Fields["update"], ShouldEqual, "2")
delete := strings.TrimPrefix(statsLine.Fields["delete"], "*")
So(delete, ShouldEqual, "0")
So(statsLine.Fields["getmore"], ShouldEqual, "1")
command := strings.Split(statsLine.Fields["command"], "|")[0]
So(command, ShouldEqual, "223")
So(statsLine.Fields["faults"], ShouldEqual, "1")
locked := strings.Split(statsLine.Fields["locked_db"], ":")
So(locked[0], ShouldEqual, "test")
So(locked[1], ShouldEqual, "50.0%")
qrw := strings.Split(statsLine.Fields["qrw"], "|")
So(qrw[0], ShouldEqual, "3")
So(qrw[1], ShouldEqual, "2")
arw := strings.Split(statsLine.Fields["arw"], "|")
So(arw[0], ShouldEqual, "4")
So(arw[1], ShouldEqual, "6")
So(statsLine.Fields["net_in"], ShouldEqual, "666b")
So(statsLine.Fields["net_out"], ShouldEqual, "1.00k")
So(statsLine.Fields["conn"], ShouldEqual, "5")
})
}