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348 lines
12 KiB
348 lines
12 KiB
// Copyright 2012-present Oliver Eilhard. All rights reserved.
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// Use of this source code is governed by a MIT-license.
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// See http://olivere.mit-license.org/license.txt for details.
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package elastic
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import (
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"fmt"
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"net/url"
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"strings"
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"gopkg.in/olivere/elastic.v3/uritemplates"
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)
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// ClusterStatsService is documented at http://www.elasticsearch.org/guide/en/elasticsearch/reference/1.4/cluster-stats.html.
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type ClusterStatsService struct {
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client *Client
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pretty bool
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nodeId []string
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flatSettings *bool
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human *bool
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}
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// NewClusterStatsService creates a new ClusterStatsService.
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func NewClusterStatsService(client *Client) *ClusterStatsService {
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return &ClusterStatsService{
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client: client,
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nodeId: make([]string, 0),
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}
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}
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// NodeId is documented as: A comma-separated list of node IDs or names to limit the returned information; use `_local` to return information from the node you're connecting to, leave empty to get information from all nodes.
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func (s *ClusterStatsService) NodeId(nodeId []string) *ClusterStatsService {
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s.nodeId = nodeId
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return s
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}
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// FlatSettings is documented as: Return settings in flat format (default: false).
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func (s *ClusterStatsService) FlatSettings(flatSettings bool) *ClusterStatsService {
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s.flatSettings = &flatSettings
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return s
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}
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// Human is documented as: Whether to return time and byte values in human-readable format..
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func (s *ClusterStatsService) Human(human bool) *ClusterStatsService {
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s.human = &human
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return s
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}
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// Pretty indicates that the JSON response be indented and human readable.
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func (s *ClusterStatsService) Pretty(pretty bool) *ClusterStatsService {
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s.pretty = pretty
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return s
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}
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// buildURL builds the URL for the operation.
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func (s *ClusterStatsService) buildURL() (string, url.Values, error) {
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// Build URL
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var err error
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var path string
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if len(s.nodeId) > 0 {
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path, err = uritemplates.Expand("/_cluster/stats/nodes/{node_id}", map[string]string{
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"node_id": strings.Join(s.nodeId, ","),
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})
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if err != nil {
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return "", url.Values{}, err
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}
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} else {
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path, err = uritemplates.Expand("/_cluster/stats", map[string]string{})
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if err != nil {
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return "", url.Values{}, err
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}
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}
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// Add query string parameters
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params := url.Values{}
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if s.pretty {
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params.Set("pretty", "1")
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}
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if s.flatSettings != nil {
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params.Set("flat_settings", fmt.Sprintf("%v", *s.flatSettings))
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}
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if s.human != nil {
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params.Set("human", fmt.Sprintf("%v", *s.human))
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}
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return path, params, nil
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}
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// Validate checks if the operation is valid.
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func (s *ClusterStatsService) Validate() error {
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return nil
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}
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// Do executes the operation.
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func (s *ClusterStatsService) Do() (*ClusterStatsResponse, error) {
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// Check pre-conditions
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if err := s.Validate(); err != nil {
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return nil, err
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}
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// Get URL for request
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path, params, err := s.buildURL()
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if err != nil {
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return nil, err
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}
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// Get HTTP response
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res, err := s.client.PerformRequest("GET", path, params, nil)
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if err != nil {
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return nil, err
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}
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// Return operation response
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ret := new(ClusterStatsResponse)
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if err := s.client.decoder.Decode(res.Body, ret); err != nil {
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return nil, err
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}
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return ret, nil
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}
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// ClusterStatsResponse is the response of ClusterStatsService.Do.
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type ClusterStatsResponse struct {
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Timestamp int64 `json:"timestamp"`
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ClusterName string `json:"cluster_name"`
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ClusterUUID string `json:"uuid"`
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Status string `json:"status"`
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Indices *ClusterStatsIndices `json:"indices"`
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Nodes *ClusterStatsNodes `json:"nodes"`
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}
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type ClusterStatsIndices struct {
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Count int `json:"count"`
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Shards *ClusterStatsIndicesShards `json:"shards"`
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Docs *ClusterStatsIndicesDocs `json:"docs"`
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Store *ClusterStatsIndicesStore `json:"store"`
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FieldData *ClusterStatsIndicesFieldData `json:"fielddata"`
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FilterCache *ClusterStatsIndicesFilterCache `json:"filter_cache"`
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IdCache *ClusterStatsIndicesIdCache `json:"id_cache"`
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Completion *ClusterStatsIndicesCompletion `json:"completion"`
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Segments *ClusterStatsIndicesSegments `json:"segments"`
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Percolate *ClusterStatsIndicesPercolate `json:"percolate"`
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}
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type ClusterStatsIndicesShards struct {
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Total int `json:"total"`
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Primaries int `json:"primaries"`
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Replication float64 `json:"replication"`
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Index *ClusterStatsIndicesShardsIndex `json:"index"`
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}
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type ClusterStatsIndicesShardsIndex struct {
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Shards *ClusterStatsIndicesShardsIndexIntMinMax `json:"shards"`
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Primaries *ClusterStatsIndicesShardsIndexIntMinMax `json:"primaries"`
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Replication *ClusterStatsIndicesShardsIndexFloat64MinMax `json:"replication"`
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}
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type ClusterStatsIndicesShardsIndexIntMinMax struct {
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Min int `json:"min"`
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Max int `json:"max"`
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Avg float64 `json:"avg"`
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}
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type ClusterStatsIndicesShardsIndexFloat64MinMax struct {
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Min float64 `json:"min"`
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Max float64 `json:"max"`
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Avg float64 `json:"avg"`
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}
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type ClusterStatsIndicesDocs struct {
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Count int `json:"count"`
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Deleted int `json:"deleted"`
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}
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type ClusterStatsIndicesStore struct {
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Size string `json:"size"` // e.g. "5.3gb"
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SizeInBytes int64 `json:"size_in_bytes"`
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ThrottleTime string `json:"throttle_time"` // e.g. "0s"
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ThrottleTimeInMillis int64 `json:"throttle_time_in_millis"`
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}
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type ClusterStatsIndicesFieldData struct {
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MemorySize string `json:"memory_size"` // e.g. "61.3kb"
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MemorySizeInBytes int64 `json:"memory_size_in_bytes"`
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Evictions int64 `json:"evictions"`
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Fields map[string]struct {
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MemorySize string `json:"memory_size"` // e.g. "61.3kb"
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MemorySizeInBytes int64 `json:"memory_size_in_bytes"`
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} `json:"fields"`
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}
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type ClusterStatsIndicesFilterCache struct {
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MemorySize string `json:"memory_size"` // e.g. "61.3kb"
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MemorySizeInBytes int64 `json:"memory_size_in_bytes"`
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Evictions int64 `json:"evictions"`
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}
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type ClusterStatsIndicesIdCache struct {
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MemorySize string `json:"memory_size"` // e.g. "61.3kb"
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MemorySizeInBytes int64 `json:"memory_size_in_bytes"`
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}
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type ClusterStatsIndicesCompletion struct {
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Size string `json:"size"` // e.g. "61.3kb"
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SizeInBytes int64 `json:"size_in_bytes"`
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Fields map[string]struct {
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Size string `json:"size"` // e.g. "61.3kb"
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SizeInBytes int64 `json:"size_in_bytes"`
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} `json:"fields"`
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}
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type ClusterStatsIndicesSegments struct {
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Count int64 `json:"count"`
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Memory string `json:"memory"` // e.g. "61.3kb"
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MemoryInBytes int64 `json:"memory_in_bytes"`
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IndexWriterMemory string `json:"index_writer_memory"` // e.g. "61.3kb"
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IndexWriterMemoryInBytes int64 `json:"index_writer_memory_in_bytes"`
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IndexWriterMaxMemory string `json:"index_writer_max_memory"` // e.g. "61.3kb"
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IndexWriterMaxMemoryInBytes int64 `json:"index_writer_max_memory_in_bytes"`
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VersionMapMemory string `json:"version_map_memory"` // e.g. "61.3kb"
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VersionMapMemoryInBytes int64 `json:"version_map_memory_in_bytes"`
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FixedBitSet string `json:"fixed_bit_set"` // e.g. "61.3kb"
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FixedBitSetInBytes int64 `json:"fixed_bit_set_memory_in_bytes"`
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}
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type ClusterStatsIndicesPercolate struct {
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Total int64 `json:"total"`
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// TODO(oe) The JSON tag here is wrong as of ES 1.5.2 it seems
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Time string `json:"get_time"` // e.g. "1s"
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TimeInBytes int64 `json:"time_in_millis"`
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Current int64 `json:"current"`
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MemorySize string `json:"memory_size"` // e.g. "61.3kb"
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MemorySizeInBytes int64 `json:"memory_sitze_in_bytes"`
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Queries int64 `json:"queries"`
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}
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// ---
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type ClusterStatsNodes struct {
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Count *ClusterStatsNodesCount `json:"count"`
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Versions []string `json:"versions"`
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OS *ClusterStatsNodesOsStats `json:"os"`
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Process *ClusterStatsNodesProcessStats `json:"process"`
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JVM *ClusterStatsNodesJvmStats `json:"jvm"`
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FS *ClusterStatsNodesFsStats `json:"fs"`
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Plugins []*ClusterStatsNodesPlugin `json:"plugins"`
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}
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type ClusterStatsNodesCount struct {
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Total int `json:"total"`
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MasterOnly int `json:"master_only"`
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DataOnly int `json:"data_only"`
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MasterData int `json:"master_data"`
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Client int `json:"client"`
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}
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type ClusterStatsNodesOsStats struct {
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AvailableProcessors int `json:"available_processors"`
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Mem *ClusterStatsNodesOsStatsMem `json:"mem"`
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CPU []*ClusterStatsNodesOsStatsCPU `json:"cpu"`
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}
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type ClusterStatsNodesOsStatsMem struct {
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Total string `json:"total"` // e.g. "16gb"
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TotalInBytes int64 `json:"total_in_bytes"`
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}
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type ClusterStatsNodesOsStatsCPU struct {
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Vendor string `json:"vendor"`
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Model string `json:"model"`
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MHz int `json:"mhz"`
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TotalCores int `json:"total_cores"`
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TotalSockets int `json:"total_sockets"`
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CoresPerSocket int `json:"cores_per_socket"`
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CacheSize string `json:"cache_size"` // e.g. "256b"
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CacheSizeInBytes int64 `json:"cache_size_in_bytes"`
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Count int `json:"count"`
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}
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type ClusterStatsNodesProcessStats struct {
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CPU *ClusterStatsNodesProcessStatsCPU `json:"cpu"`
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OpenFileDescriptors *ClusterStatsNodesProcessStatsOpenFileDescriptors `json:"open_file_descriptors"`
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}
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type ClusterStatsNodesProcessStatsCPU struct {
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Percent float64 `json:"percent"`
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}
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type ClusterStatsNodesProcessStatsOpenFileDescriptors struct {
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Min int64 `json:"min"`
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Max int64 `json:"max"`
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Avg int64 `json:"avg"`
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}
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type ClusterStatsNodesJvmStats struct {
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MaxUptime string `json:"max_uptime"` // e.g. "5h"
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MaxUptimeInMillis int64 `json:"max_uptime_in_millis"`
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Versions []*ClusterStatsNodesJvmStatsVersion `json:"versions"`
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Mem *ClusterStatsNodesJvmStatsMem `json:"mem"`
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Threads int64 `json:"threads"`
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}
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type ClusterStatsNodesJvmStatsVersion struct {
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Version string `json:"version"` // e.g. "1.8.0_45"
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VMName string `json:"vm_name"` // e.g. "Java HotSpot(TM) 64-Bit Server VM"
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VMVersion string `json:"vm_version"` // e.g. "25.45-b02"
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VMVendor string `json:"vm_vendor"` // e.g. "Oracle Corporation"
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Count int `json:"count"`
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}
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type ClusterStatsNodesJvmStatsMem struct {
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HeapUsed string `json:"heap_used"`
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HeapUsedInBytes int64 `json:"heap_used_in_bytes"`
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HeapMax string `json:"heap_max"`
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HeapMaxInBytes int64 `json:"heap_max_in_bytes"`
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}
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type ClusterStatsNodesFsStats struct {
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Path string `json:"path"`
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Mount string `json:"mount"`
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Dev string `json:"dev"`
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Total string `json:"total"` // e.g. "930.7gb"`
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TotalInBytes int64 `json:"total_in_bytes"`
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Free string `json:"free"` // e.g. "930.7gb"`
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FreeInBytes int64 `json:"free_in_bytes"`
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Available string `json:"available"` // e.g. "930.7gb"`
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AvailableInBytes int64 `json:"available_in_bytes"`
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DiskReads int64 `json:"disk_reads"`
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DiskWrites int64 `json:"disk_writes"`
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DiskIOOp int64 `json:"disk_io_op"`
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DiskReadSize string `json:"disk_read_size"` // e.g. "0b"`
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DiskReadSizeInBytes int64 `json:"disk_read_size_in_bytes"`
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DiskWriteSize string `json:"disk_write_size"` // e.g. "0b"`
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DiskWriteSizeInBytes int64 `json:"disk_write_size_in_bytes"`
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DiskIOSize string `json:"disk_io_size"` // e.g. "0b"`
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DiskIOSizeInBytes int64 `json:"disk_io_size_in_bytes"`
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DiskQueue string `json:"disk_queue"`
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DiskServiceTime string `json:"disk_service_time"`
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}
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type ClusterStatsNodesPlugin struct {
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Name string `json:"name"`
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Version string `json:"version"`
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Description string `json:"description"`
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URL string `json:"url"`
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JVM bool `json:"jvm"`
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Site bool `json:"site"`
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}
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