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* Add docs for egress related metrics Signed-off-by: terashima <[email protected]> * Add egress related metrics Signed-off-by: terashima <[email protected]> --------- Signed-off-by: terashima <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,55 @@ | ||
| package metrics | ||
|
|
||
| import ( | ||
| "context" | ||
| "sync" | ||
| "time" | ||
|
|
||
| "sigs.k8s.io/controller-runtime/pkg/log" | ||
| ) | ||
|
|
||
| type Collector interface { | ||
| Update() error | ||
| Name() string | ||
| } | ||
|
|
||
| type Runner struct { | ||
| collectors []Collector | ||
| interval time.Duration | ||
| } | ||
|
|
||
| func NewRunner() *Runner { | ||
| return &Runner{ | ||
| collectors: []Collector{}, | ||
| interval: time.Second * 30, | ||
| } | ||
| } | ||
|
|
||
| func (r *Runner) Register(collector Collector) { | ||
| r.collectors = append(r.collectors, collector) | ||
| } | ||
|
|
||
| func (r *Runner) Run(ctx context.Context) { | ||
| ticker := time.NewTicker(r.interval) | ||
|
|
||
| for { | ||
| <-ticker.C | ||
| r.collect(ctx) | ||
| } | ||
| } | ||
|
|
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| func (r *Runner) collect(ctx context.Context) { | ||
| logger := log.FromContext(ctx) | ||
| wg := sync.WaitGroup{} | ||
| wg.Add(len(r.collectors)) | ||
| for _, c := range r.collectors { | ||
| go func(c Collector) { | ||
| if err := c.Update(); err != nil { | ||
| logger.Error(err, "failed to collect metrics", "name", c.Name()) | ||
| } | ||
| wg.Done() | ||
| }(c) | ||
| } | ||
|
|
||
| wg.Wait() | ||
| } |
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