107 lines
2.9 KiB
Go
107 lines
2.9 KiB
Go
// Licensed to Elasticsearch B.V. under one or more contributor
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// license agreements. See the NOTICE file distributed with
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// this work for additional information regarding copyright
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// ownership. Elasticsearch B.V. licenses this file to you under
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// the Apache License, Version 2.0 (the "License"); you may
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// not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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package ccr
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import (
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"fmt"
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"github.com/pkg/errors"
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"github.com/elastic/beats/libbeat/common/cfgwarn"
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"github.com/elastic/beats/libbeat/logp"
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"github.com/elastic/beats/metricbeat/mb"
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"github.com/elastic/beats/metricbeat/module/elasticsearch"
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)
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func init() {
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mb.Registry.MustAddMetricSet(elasticsearch.ModuleName, "ccr", New,
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mb.WithHostParser(elasticsearch.HostParser),
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)
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}
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const (
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ccrStatsPath = "/_ccr/stats"
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)
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// MetricSet type defines all fields of the MetricSet
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type MetricSet struct {
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*elasticsearch.MetricSet
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}
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// New create a new instance of the MetricSet
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func New(base mb.BaseMetricSet) (mb.MetricSet, error) {
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cfgwarn.Beta("the " + base.FullyQualifiedName() + " metricset is beta")
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ms, err := elasticsearch.NewMetricSet(base, ccrStatsPath)
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if err != nil {
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return nil, err
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}
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return &MetricSet{MetricSet: ms}, nil
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}
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// Fetch gathers stats for each follower shard from the _ccr/stats API
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func (m *MetricSet) Fetch(r mb.ReporterV2) {
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isMaster, err := elasticsearch.IsMaster(m.HTTP, m.HostData().SanitizedURI+ccrStatsPath)
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if err != nil {
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r.Error(errors.Wrap(err, "error determining if connected Elasticsearch node is master"))
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return
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}
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// Not master, no event sent
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if !isMaster {
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logp.Debug(elasticsearch.ModuleName, "trying to fetch ccr stats from a non master node.")
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return
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}
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info, err := elasticsearch.GetInfo(m.HTTP, m.HostData().SanitizedURI+ccrStatsPath)
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if err != nil {
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r.Error(err)
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return
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}
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elasticsearchVersion := info.Version.Number
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isCCRStatsAPIAvailable, err := elasticsearch.IsCCRStatsAPIAvailable(elasticsearchVersion)
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if err != nil {
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r.Error(err)
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return
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}
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if !isCCRStatsAPIAvailable {
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const errorMsg = "the %v metricset is only supported with Elasticsearch >= %v. " +
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"You are currently running Elasticsearch %v"
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r.Error(fmt.Errorf(errorMsg, m.FullyQualifiedName(), elasticsearch.CCRStatsAPIAvailableVersion, elasticsearchVersion))
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return
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}
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content, err := m.HTTP.FetchContent()
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if err != nil {
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r.Error(err)
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return
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}
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if m.XPack {
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eventsMappingXPack(r, m, *info, content)
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} else {
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err = eventsMapping(r, *info, content)
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if err != nil {
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r.Error(err)
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return
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}
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}
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}
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