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data.go
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data.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 queue
import (
"encoding/json"
"github.com/pkg/errors"
"github.com/elastic/beats/metricbeat/mb"
"github.com/elastic/beats/libbeat/common"
s "github.com/elastic/beats/libbeat/common/schema"
c "github.com/elastic/beats/libbeat/common/schema/mapstriface"
)
var (
schema = s.Schema{
"name": c.Str("name"),
"vhost": c.Str("vhost"),
"durable": c.Bool("durable"),
"auto_delete": c.Bool("auto_delete"),
"exclusive": c.Bool("exclusive"),
"node": c.Str("node"),
"state": c.Str("state"),
"arguments": c.Dict("arguments", s.Schema{
"max_priority": c.Int("x-max-priority", s.Optional),
}),
"consumers": s.Object{
"count": c.Int("consumers"),
"utilisation": s.Object{
"pct": c.Int("consumer_utilisation", s.IgnoreAllErrors),
},
},
"messages": s.Object{
"total": s.Object{
"count": c.Int("messages"),
"details": c.Dict("messages_details", s.Schema{
"rate": c.Float("rate"),
}),
},
"ready": s.Object{
"count": c.Int("messages_ready"),
"details": c.Dict("messages_ready_details", s.Schema{
"rate": c.Float("rate"),
}),
},
"unacknowledged": s.Object{
"count": c.Int("messages_unacknowledged"),
"details": c.Dict("messages_unacknowledged_details", s.Schema{
"rate": c.Float("rate"),
}),
},
"persistent": s.Object{
"count": c.Int("messages_persistent"),
},
},
"memory": s.Object{
"bytes": c.Int("memory"),
},
"disk": s.Object{
"reads": s.Object{
"count": c.Int("disk_reads", s.Optional),
},
"writes": s.Object{
"count": c.Int("disk_writes", s.Optional),
},
},
}
)
func eventsMapping(content []byte, r mb.ReporterV2, m *MetricSet) error {
var queues []map[string]interface{}
err := json.Unmarshal(content, &queues)
if err != nil {
return errors.Wrap(err, "error in mapping")
}
for _, queue := range queues {
evt, err := eventMapping(queue)
if err != nil {
m.Logger().Errorf("error in mapping: %s", err)
r.Error(err)
continue
}
if !r.Event(evt) {
return nil
}
}
return nil
}
func eventMapping(queue map[string]interface{}) (mb.Event, error) {
fields, err := schema.Apply(queue)
if err != nil {
return mb.Event{}, errors.Wrap(err, "error applying schema")
}
moduleFields := common.MapStr{}
if v, err := fields.GetValue("vhost"); err == nil {
moduleFields.Put("vhost", v)
fields.Delete("vhost")
}
if v, err := fields.GetValue("node"); err == nil {
moduleFields.Put("node.name", v)
fields.Delete("node")
}
event := mb.Event{
MetricSetFields: fields,
ModuleFields: moduleFields,
}
return event, nil
}