diff options
Diffstat (limited to 'src/go/plugin/go.d/modules/elasticsearch/elasticsearch.go')
-rw-r--r-- | src/go/plugin/go.d/modules/elasticsearch/elasticsearch.go | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/src/go/plugin/go.d/modules/elasticsearch/elasticsearch.go b/src/go/plugin/go.d/modules/elasticsearch/elasticsearch.go new file mode 100644 index 000000000..22280f2dd --- /dev/null +++ b/src/go/plugin/go.d/modules/elasticsearch/elasticsearch.go @@ -0,0 +1,136 @@ +// SPDX-License-Identifier: GPL-3.0-or-later + +package elasticsearch + +import ( + _ "embed" + "errors" + "net/http" + "sync" + "time" + + "github.com/netdata/netdata/go/plugins/plugin/go.d/agent/module" + "github.com/netdata/netdata/go/plugins/plugin/go.d/pkg/web" +) + +//go:embed "config_schema.json" +var configSchema string + +func init() { + module.Register("elasticsearch", module.Creator{ + JobConfigSchema: configSchema, + Defaults: module.Defaults{ + UpdateEvery: 5, + }, + Create: func() module.Module { return New() }, + Config: func() any { return &Config{} }, + }) +} + +func New() *Elasticsearch { + return &Elasticsearch{ + Config: Config{ + HTTP: web.HTTP{ + Request: web.Request{ + URL: "http://127.0.0.1:9200", + }, + Client: web.Client{ + Timeout: web.Duration(time.Second * 2), + }, + }, + ClusterMode: false, + + DoNodeStats: true, + DoClusterStats: true, + DoClusterHealth: true, + DoIndicesStats: false, + }, + + charts: &module.Charts{}, + addClusterHealthChartsOnce: &sync.Once{}, + addClusterStatsChartsOnce: &sync.Once{}, + nodes: make(map[string]bool), + indices: make(map[string]bool), + } +} + +type Config struct { + UpdateEvery int `yaml:"update_every,omitempty" json:"update_every"` + web.HTTP `yaml:",inline" json:""` + ClusterMode bool `yaml:"cluster_mode" json:"cluster_mode"` + DoNodeStats bool `yaml:"collect_node_stats" json:"collect_node_stats"` + DoClusterHealth bool `yaml:"collect_cluster_health" json:"collect_cluster_health"` + DoClusterStats bool `yaml:"collect_cluster_stats" json:"collect_cluster_stats"` + DoIndicesStats bool `yaml:"collect_indices_stats" json:"collect_indices_stats"` +} + +type Elasticsearch struct { + module.Base + Config `yaml:",inline" json:""` + + charts *module.Charts + addClusterHealthChartsOnce *sync.Once + addClusterStatsChartsOnce *sync.Once + + httpClient *http.Client + + clusterName string + nodes map[string]bool + indices map[string]bool +} + +func (es *Elasticsearch) Configuration() any { + return es.Config +} + +func (es *Elasticsearch) Init() error { + err := es.validateConfig() + if err != nil { + es.Errorf("check configuration: %v", err) + return err + } + + httpClient, err := es.initHTTPClient() + if err != nil { + es.Errorf("init HTTP client: %v", err) + return err + } + es.httpClient = httpClient + + return nil +} + +func (es *Elasticsearch) Check() error { + mx, err := es.collect() + if err != nil { + es.Error(err) + return err + } + if len(mx) == 0 { + return errors.New("no metrics collected") + + } + return nil +} + +func (es *Elasticsearch) Charts() *module.Charts { + return es.charts +} + +func (es *Elasticsearch) Collect() map[string]int64 { + mx, err := es.collect() + if err != nil { + es.Error(err) + } + + if len(mx) == 0 { + return nil + } + return mx +} + +func (es *Elasticsearch) Cleanup() { + if es.httpClient != nil { + es.httpClient.CloseIdleConnections() + } +} |