68 lines
1.7 KiB
Go
68 lines
1.7 KiB
Go
// 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 schedule
|
|
|
|
import (
|
|
"strings"
|
|
"time"
|
|
|
|
"github.com/elastic/beats/heartbeat/scheduler"
|
|
"github.com/elastic/beats/heartbeat/scheduler/schedule/cron"
|
|
)
|
|
|
|
type Schedule struct {
|
|
scheduler.Schedule
|
|
}
|
|
|
|
type intervalScheduler struct {
|
|
interval time.Duration
|
|
}
|
|
|
|
func Parse(in string) (*Schedule, error) {
|
|
every := "@every"
|
|
|
|
// add '@every' keyword
|
|
if strings.HasPrefix(in, every) {
|
|
interval := strings.TrimSpace(in[len(every):])
|
|
d, err := time.ParseDuration(interval)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return &Schedule{intervalScheduler{d}}, nil
|
|
}
|
|
|
|
// fallback on cron scheduler parsers
|
|
s, err := cron.Parse(in)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return &Schedule{s}, nil
|
|
}
|
|
|
|
func (s intervalScheduler) Next(t time.Time) time.Time {
|
|
return t.Add(s.interval)
|
|
}
|
|
|
|
func (s *Schedule) Unpack(str string) error {
|
|
tmp, err := Parse(str)
|
|
if err == nil {
|
|
*s = *tmp
|
|
}
|
|
return err
|
|
}
|