youtubebeat/vendor/github.com/elastic/beats/metricbeat/module/system/system.go

52 lines
1.5 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 system
import (
"flag"
"sync"
"github.com/elastic/beats/metricbeat/mb"
)
var (
HostFS = flag.String("system.hostfs", "", "mountpoint of the host's filesystem for use in monitoring a host from within a container")
)
var once sync.Once
func init() {
// Register the ModuleFactory function for the "system" module.
if err := mb.Registry.AddModule("system", NewModule); err != nil {
panic(err)
}
}
type Module struct {
mb.BaseModule
HostFS string // Mountpoint of the host's filesystem for use in monitoring inside a container.
}
func NewModule(base mb.BaseModule) (mb.Module, error) {
// This only needs to be configured once for all system modules.
once.Do(func() {
initModule()
})
return &Module{BaseModule: base, HostFS: *HostFS}, nil
}