// Fire causes the Alert to become Active() and not Snoozed(), and causes each
// action to be performed. Active Alerts do not perform new queries.
func (r *Rule) fire(am *alerting.AlertManager, message string) error {
actions, err := alerting.ParseActions(r.Actions)
if err != nil {
return fmt.Errorf("Could not fire alert: %v", err)
}
a := alerting.Alert{
Name: r.Name,
Category: r.Category,
Message: message,
Nag: int64(r.Nag),
AutoDismiss: r.AutoDismiss,
Actions: actions,
}
return am.AddAlert(&a)
}
func (r *Rule) queryEvaluationAlert(queryErr error, am *alerting.AlertManager) error {
actions, err := alerting.ParseActions([]string{"Email([email protected])"})
if err != nil {
return err
}
name := "Failed to evaluate query"
msg := fmt.Sprintf("Failed to evaluate query for rule \"%s\": [ %s ]", r.Name, r.Condition)
glog.Errorf("%s\nFull error:\n%v", msg, queryErr)
return am.AddAlert(&alerting.Alert{
Name: name,
Category: alerting.INFRA_ALERT,
Message: msg,
Nag: int64(1 * time.Hour),
AutoDismiss: int64(15 * time.Minute),
Actions: actions,
})
}
func StartAlertRoutines(am *alerting.AlertManager, tickInterval time.Duration, c *influxdb.Client) {
emailAction, err := alerting.ParseAction("Email([email protected])")
if err != nil {
glog.Fatal(err)
}
actions := []alerting.Action{emailAction}
// Disconnected buildslaves.
go func() {
seriesTmpl := "buildbot.buildslaves.%s.connected"
re := regexp.MustCompile("[^A-Za-z0-9]+")
for _ = range time.Tick(tickInterval) {
glog.Info("Loading buildslave data.")
slaves, err := buildbot.GetBuildSlaves()
if err != nil {
glog.Error(err)
continue
}
for masterName, m := range slaves {
for _, s := range m {
if util.In(s.Name, BUILDSLAVE_OFFLINE_BLACKLIST) {
continue
}
v := int64(0)
if s.Connected {
v = int64(1)
}
metric := fmt.Sprintf(seriesTmpl, re.ReplaceAllString(s.Name, "_"))
metrics.GetOrRegisterGauge(metric, metrics.DefaultRegistry).Update(v)
if !s.Connected {
// This buildslave is offline. Figure out which one it is.
if err := am.AddAlert(&alerting.Alert{
Name: fmt.Sprintf("Buildslave %s offline", s.Name),
Category: alerting.INFRA_ALERT,
Message: fmt.Sprintf(BUILDSLAVE_OFFLINE, s.Name, masterName, s.Name, s.Name, s.Name),
Nag: int64(time.Hour),
AutoDismiss: int64(2 * tickInterval),
Actions: actions,
}); err != nil {
glog.Error(err)
}
}
}
}
}
}()
// AutoRoll failure.
go func() {
getDepsRollStatus := func() (*autoroller.AutoRollStatus, error) {
resp, err := http.Get(autoroll.AUTOROLL_STATUS_URL)
if err != nil {
return nil, err
}
defer util.Close(resp.Body)
var status autoroller.AutoRollStatus
if err := json.NewDecoder(resp.Body).Decode(&status); err != nil {
return nil, err
}
return &status, nil
}
for _ = range time.Tick(time.Minute) {
glog.Infof("Searching for DEPS rolls.")
status, err := getDepsRollStatus()
if err != nil {
util.LogErr(fmt.Errorf("Failed to search for DEPS rolls: %v", err))
continue
}
activeAlert := am.ActiveAlert(AUTOROLL_ALERT_NAME)
if status.LastRoll != nil {
if status.LastRoll.Closed {
if status.LastRoll.Succeeded() {
if activeAlert != 0 {
msg := fmt.Sprintf("Subsequent roll succeeded: %s/%d", autoroll.RIETVELD_URL, status.LastRoll.Issue)
if err := am.Dismiss(activeAlert, alerting.USER_ALERTSERVER, msg); err != nil {
util.LogErr(err)
}
}
} else if status.LastRoll.Failed() {
if err := am.AddAlert(&alerting.Alert{
Name: AUTOROLL_ALERT_NAME,
Message: fmt.Sprintf("DEPS roll failed: %s/%d", autoroll.RIETVELD_URL, status.LastRoll.Issue),
Nag: int64(3 * time.Hour),
Actions: actions,
}); err != nil {
util.LogErr(err)
}
}
}
}
}
}()
// Android device disconnects, hung buildslaves.
go func() {
// These builders are frequently slow. Ignore them when looking for hung buildslaves.
hungSlavesIgnore := []string{
"Housekeeper-Nightly-RecreateSKPs_Canary",
"Housekeeper-Weekly-RecreateSKPs",
"Linux Builder",
"Mac Builder",
"Test-Ubuntu-GCC-GCE-CPU-AVX2-x86_64-Release-Valgrind",
"Test-Ubuntu-GCC-ShuttleA-GPU-GTX550Ti-x86_64-Release-Valgrind",
"Win Builder",
}
hangTimePeriod := 3 * time.Hour
for _ = range time.Tick(tickInterval) {
glog.Infof("Searching for hung buildslaves and disconnected Android devices.")
builds, err := buildbot.GetUnfinishedBuilds()
if err != nil {
glog.Error(err)
continue
}
for _, b := range builds {
// Disconnected Android device?
disconnectedAndroid := false
if strings.Contains(b.Builder, "Android") && !strings.Contains(b.Builder, "Build") {
for _, s := range b.Steps {
if strings.Contains(s.Name, "wait for device") {
// If "wait for device" has been running for 10 minutes, the device is probably offline.
if s.Finished == 0 && time.Since(time.Unix(int64(s.Started), 0)) > 10*time.Minute {
if err := am.AddAlert(&alerting.Alert{
Name: fmt.Sprintf("Android device disconnected (%s)", b.BuildSlave),
Category: alerting.INFRA_ALERT,
Message: fmt.Sprintf(ANDROID_DISCONNECT, b.BuildSlave, b.Master, b.Builder, b.Number, b.BuildSlave, b.BuildSlave),
Nag: int64(3 * time.Hour),
Actions: actions,
}); err != nil {
glog.Error(err)
}
disconnectedAndroid = true
}
}
}
}
if !disconnectedAndroid && !util.ContainsAny(b.Builder, hungSlavesIgnore) {
// Hung buildslave?
for _, s := range b.Steps {
if s.Name == "steps" {
continue
}
// If the step has been running for over an hour, it's probably hung.
if s.Finished == 0 && time.Since(time.Unix(int64(s.Started), 0)) > hangTimePeriod {
if err := am.AddAlert(&alerting.Alert{
Name: fmt.Sprintf("Possibly hung buildslave (%s)", b.BuildSlave),
Category: alerting.INFRA_ALERT,
Message: fmt.Sprintf(HUNG_BUILDSLAVE, b.BuildSlave, hangTimePeriod.String(), b.Master, b.Builder, b.Number, b.BuildSlave, b.BuildSlave),
Nag: int64(time.Hour),
Actions: actions,
AutoDismiss: int64(10 * tickInterval),
}); err != nil {
glog.Error(err)
}
}
}
}
}
}
}()
// Failed update_scripts.
go func() {
lastSearch := time.Now()
for _ = range time.Tick(tickInterval) {
glog.Infof("Searching for builds which failed update_scripts.")
currentSearch := time.Now()
builds, err := buildbot.GetBuildsFromDateRange(lastSearch, currentSearch)
lastSearch = currentSearch
if err != nil {
glog.Error(err)
continue
}
for _, b := range builds {
for _, s := range b.Steps {
if s.Name == "update_scripts" {
if s.Results != 0 {
if err := am.AddAlert(&alerting.Alert{
Name: "update_scripts failed",
Category: alerting.INFRA_ALERT,
Message: fmt.Sprintf(UPDATE_SCRIPTS, b.Builder, b.Master, b.Builder, b.Number, b.Builder, b.BuildSlave),
Actions: actions,
}); err != nil {
glog.Error(err)
}
}
break
}
}
}
}
}()
}