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Add existing monitors into the problem daemon registration hook.

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Xuewei Zhang
2019-05-20 15:16:14 -07:00
parent 63f0e35e56
commit a07176073a
9 changed files with 435 additions and 32 deletions
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14
pkg/problemdetector/problem_detector.go
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@@ -30,13 +30,13 @@ type ProblemDetector interface {
}
type problemDetector struct {
monitors map[string]types.Monitor
monitors []types.Monitor
exporters []types.Exporter
}
// NewProblemDetector creates the problem detector. Currently we just directly passed in the problem daemons, but
// in the future we may want to let the problem daemons register themselves.
func NewProblemDetector(monitors map[string]types.Monitor, exporters []types.Exporter) ProblemDetector {
func NewProblemDetector(monitors []types.Monitor, exporters []types.Exporter) ProblemDetector {
return &problemDetector{
monitors: monitors,
exporters: exporters,
@@ -47,17 +47,19 @@ func NewProblemDetector(monitors map[string]types.Monitor, exporters []types.Exp
func (p *problemDetector) Run() error {
// Start the log monitors one by one.
var chans []<-chan *types.Status
for cfg, m := range p.monitors {
for _, m := range p.monitors {
ch, err := m.Start()
if err != nil {
// Do not return error and keep on trying the following config files.
glog.Errorf("Failed to start log monitor %q: %v", cfg, err)
glog.Errorf("Failed to start problem daemon %v: %v", m, err)
continue
}
chans = append(chans, ch)
if ch != nil {
chans = append(chans, ch)
}
}
if len(chans) == 0 {
return fmt.Errorf("no log monitor is successfully setup")
return fmt.Errorf("no problem daemon is successfully setup")
}
ch := groupChannel(chans)
glog.Info("Problem detector started")