/
repeater.go
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/
repeater.go
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// Licensed to Elasticsearch B.V. under one or more contributor
// license agreements. See the NOTICE file distributed with
// this work for additional information regarding copyright
// ownership. Elasticsearch B.V. licenses this file to you under
// the Apache License, Version 2.0 (the "License"); you may
// not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the License for the
// specific language governing permissions and limitations
// under the License.
package flavors
import (
"context"
"time"
"github.com/elastic/elastic-agent-libs/logp"
)
type RepeaterFunc func() error
func NewRepeater(log *logp.Logger, interval time.Duration) *Repeater {
return &Repeater{
log: log,
interval: interval,
}
}
type Repeater struct {
log *logp.Logger
interval time.Duration
}
func (r *Repeater) Run(ctx context.Context, fn RepeaterFunc) error {
r.log.Warn("Repeater ticker running for period ", r.interval)
ticker := time.NewTicker(r.interval)
immediate := time.NewTimer(0)
for {
select {
case <-ctx.Done():
r.log.Warnf("Repeater context is done: %v", ctx.Err())
return nil
case <-immediate.C:
case <-ticker.C:
}
r.log.Warn("Repeater cycle triggered")
err := fn()
if err != nil {
return err
}
}
}