func (c Controller) runChecksFor(categories []string) ([]fthealth.CheckResult, map[string][]fthealth.CheckResult) {
var checks []fthealth.Check
categorisedChecks := make(map[string][]*fthealth.Check)
categorisedResults := make(map[string][]fthealth.CheckResult)
for _, c := range categories {
categorisedChecks[c] = []*fthealth.Check{}
categorisedResults[c] = []fthealth.CheckResult{}
}
var acks map[string]string = make(map[string]string)
for _, mService := range c.registry.measuredServices() {
if !containsAtLeastOneFrom(categories, mService.service.Categories) {
continue
}
check := NewServiceHealthCheck(*mService.service, c.registry.checker())
checks = append(checks, check)
for _, category := range mService.service.Categories {
if categoryChecks, exists := categorisedChecks[category]; exists {
categorisedChecks[category] = append(categoryChecks, &check)
}
}
ack := c.registry.getAck(mService.service.ServiceKey)
if ack != "" {
acks[mService.service.Name] = ack
}
}
healthChecks := fthealth.RunCheck("Forced check run", "", true, checks...).Checks
var result []fthealth.CheckResult
for _, ch := range healthChecks {
if ack, found := acks[ch.Name]; found {
ch.Ack = ack
}
result = append(result, ch)
for category, checks := range categorisedChecks {
for _, check := range checks {
if check.Name == ch.Name {
categorisedResults[category] = append(categorisedResults[category], ch)
}
}
}
}
updateCachedAndBufferedHealth(c.registry, healthChecks)
return result, categorisedResults
}
func (r *EtcdServiceRegistry) scheduleCheck(mService *MeasuredService, timer *time.Timer) {
// wait
select {
case <-mService.cachedHealth.terminate:
return
case <-timer.C:
}
// run check
healthResult := fthealth.RunCheck(mService.service.Name,
fmt.Sprintf("Checks the health of %v", mService.service.Name),
true,
NewServiceHealthCheck(*mService.service, r._checker))
healthResult.Checks[0].Ack = mService.service.Ack
r.updateCachedAndBufferedHealth(mService, &healthResult)
waitDuration := r.findShortestPeriod(*mService.service)
go r.scheduleCheck(mService, time.NewTimer(waitDuration))
}