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