forked from Shiloh/githaven
5dbf36f356
* Issue search support elasticsearch * Fix lint * Add indexer name on app.ini * add a warnning on SearchIssuesByKeyword * improve code
356 lines
12 KiB
Go
Vendored
356 lines
12 KiB
Go
Vendored
// 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 (
|
|
"context"
|
|
"fmt"
|
|
"net/http"
|
|
"net/url"
|
|
"strings"
|
|
|
|
"github.com/olivere/elastic/v7/uritemplates"
|
|
)
|
|
|
|
// ClusterStateService allows to get a comprehensive state information of the whole cluster.
|
|
//
|
|
// See https://www.elastic.co/guide/en/elasticsearch/reference/7.0/cluster-state.html
|
|
// for details.
|
|
type ClusterStateService struct {
|
|
client *Client
|
|
|
|
pretty *bool // pretty format the returned JSON response
|
|
human *bool // return human readable values for statistics
|
|
errorTrace *bool // include the stack trace of returned errors
|
|
filterPath []string // list of filters used to reduce the response
|
|
headers http.Header // custom request-level HTTP headers
|
|
|
|
indices []string
|
|
metrics []string
|
|
allowNoIndices *bool
|
|
expandWildcards string
|
|
flatSettings *bool
|
|
ignoreUnavailable *bool
|
|
local *bool
|
|
masterTimeout string
|
|
}
|
|
|
|
// NewClusterStateService creates a new ClusterStateService.
|
|
func NewClusterStateService(client *Client) *ClusterStateService {
|
|
return &ClusterStateService{
|
|
client: client,
|
|
indices: make([]string, 0),
|
|
metrics: make([]string, 0),
|
|
}
|
|
}
|
|
|
|
// Pretty tells Elasticsearch whether to return a formatted JSON response.
|
|
func (s *ClusterStateService) Pretty(pretty bool) *ClusterStateService {
|
|
s.pretty = &pretty
|
|
return s
|
|
}
|
|
|
|
// Human specifies whether human readable values should be returned in
|
|
// the JSON response, e.g. "7.5mb".
|
|
func (s *ClusterStateService) Human(human bool) *ClusterStateService {
|
|
s.human = &human
|
|
return s
|
|
}
|
|
|
|
// ErrorTrace specifies whether to include the stack trace of returned errors.
|
|
func (s *ClusterStateService) ErrorTrace(errorTrace bool) *ClusterStateService {
|
|
s.errorTrace = &errorTrace
|
|
return s
|
|
}
|
|
|
|
// FilterPath specifies a list of filters used to reduce the response.
|
|
func (s *ClusterStateService) FilterPath(filterPath ...string) *ClusterStateService {
|
|
s.filterPath = filterPath
|
|
return s
|
|
}
|
|
|
|
// Header adds a header to the request.
|
|
func (s *ClusterStateService) Header(name string, value string) *ClusterStateService {
|
|
if s.headers == nil {
|
|
s.headers = http.Header{}
|
|
}
|
|
s.headers.Add(name, value)
|
|
return s
|
|
}
|
|
|
|
// Headers specifies the headers of the request.
|
|
func (s *ClusterStateService) Headers(headers http.Header) *ClusterStateService {
|
|
s.headers = headers
|
|
return s
|
|
}
|
|
|
|
// Index is a list of index names. Use _all or an empty string to
|
|
// perform the operation on all indices.
|
|
func (s *ClusterStateService) Index(indices ...string) *ClusterStateService {
|
|
s.indices = append(s.indices, indices...)
|
|
return s
|
|
}
|
|
|
|
// Metric limits the information returned to the specified metric.
|
|
// It can be one of: version, master_node, nodes, routing_table, metadata,
|
|
// blocks, or customs.
|
|
func (s *ClusterStateService) Metric(metrics ...string) *ClusterStateService {
|
|
s.metrics = append(s.metrics, metrics...)
|
|
return s
|
|
}
|
|
|
|
// AllowNoIndices indicates whether to ignore if a wildcard indices
|
|
// expression resolves into no concrete indices.
|
|
// (This includes `_all` string or when no indices have been specified).
|
|
func (s *ClusterStateService) AllowNoIndices(allowNoIndices bool) *ClusterStateService {
|
|
s.allowNoIndices = &allowNoIndices
|
|
return s
|
|
}
|
|
|
|
// ExpandWildcards indicates whether to expand wildcard expression to
|
|
// concrete indices that are open, closed or both..
|
|
func (s *ClusterStateService) ExpandWildcards(expandWildcards string) *ClusterStateService {
|
|
s.expandWildcards = expandWildcards
|
|
return s
|
|
}
|
|
|
|
// FlatSettings, when set, returns settings in flat format (default: false).
|
|
func (s *ClusterStateService) FlatSettings(flatSettings bool) *ClusterStateService {
|
|
s.flatSettings = &flatSettings
|
|
return s
|
|
}
|
|
|
|
// IgnoreUnavailable indicates whether specified concrete indices should be
|
|
// ignored when unavailable (missing or closed).
|
|
func (s *ClusterStateService) IgnoreUnavailable(ignoreUnavailable bool) *ClusterStateService {
|
|
s.ignoreUnavailable = &ignoreUnavailable
|
|
return s
|
|
}
|
|
|
|
// Local indicates whether to return local information. When set, it does not
|
|
// retrieve the state from master node (default: false).
|
|
func (s *ClusterStateService) Local(local bool) *ClusterStateService {
|
|
s.local = &local
|
|
return s
|
|
}
|
|
|
|
// MasterTimeout specifies timeout for connection to master.
|
|
func (s *ClusterStateService) MasterTimeout(masterTimeout string) *ClusterStateService {
|
|
s.masterTimeout = masterTimeout
|
|
return s
|
|
}
|
|
|
|
// buildURL builds the URL for the operation.
|
|
func (s *ClusterStateService) buildURL() (string, url.Values, error) {
|
|
// Build URL
|
|
metrics := strings.Join(s.metrics, ",")
|
|
if metrics == "" {
|
|
metrics = "_all"
|
|
}
|
|
indices := strings.Join(s.indices, ",")
|
|
if indices == "" {
|
|
indices = "_all"
|
|
}
|
|
path, err := uritemplates.Expand("/_cluster/state/{metrics}/{indices}", map[string]string{
|
|
"metrics": metrics,
|
|
"indices": indices,
|
|
})
|
|
if err != nil {
|
|
return "", url.Values{}, err
|
|
}
|
|
|
|
// Add query string parameters
|
|
params := url.Values{}
|
|
if v := s.pretty; v != nil {
|
|
params.Set("pretty", fmt.Sprint(*v))
|
|
}
|
|
if v := s.human; v != nil {
|
|
params.Set("human", fmt.Sprint(*v))
|
|
}
|
|
if v := s.errorTrace; v != nil {
|
|
params.Set("error_trace", fmt.Sprint(*v))
|
|
}
|
|
if len(s.filterPath) > 0 {
|
|
params.Set("filter_path", strings.Join(s.filterPath, ","))
|
|
}
|
|
if s.allowNoIndices != nil {
|
|
params.Set("allow_no_indices", fmt.Sprintf("%v", *s.allowNoIndices))
|
|
}
|
|
if s.expandWildcards != "" {
|
|
params.Set("expand_wildcards", s.expandWildcards)
|
|
}
|
|
if s.flatSettings != nil {
|
|
params.Set("flat_settings", fmt.Sprintf("%v", *s.flatSettings))
|
|
}
|
|
if s.ignoreUnavailable != nil {
|
|
params.Set("ignore_unavailable", fmt.Sprintf("%v", *s.ignoreUnavailable))
|
|
}
|
|
if s.local != nil {
|
|
params.Set("local", fmt.Sprintf("%v", *s.local))
|
|
}
|
|
if s.masterTimeout != "" {
|
|
params.Set("master_timeout", s.masterTimeout)
|
|
}
|
|
return path, params, nil
|
|
}
|
|
|
|
// Validate checks if the operation is valid.
|
|
func (s *ClusterStateService) Validate() error {
|
|
return nil
|
|
}
|
|
|
|
// Do executes the operation.
|
|
func (s *ClusterStateService) Do(ctx context.Context) (*ClusterStateResponse, 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(ctx, PerformRequestOptions{
|
|
Method: "GET",
|
|
Path: path,
|
|
Params: params,
|
|
Headers: s.headers,
|
|
})
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
// Return operation response
|
|
ret := new(ClusterStateResponse)
|
|
if err := s.client.decoder.Decode(res.Body, ret); err != nil {
|
|
return nil, err
|
|
}
|
|
return ret, nil
|
|
}
|
|
|
|
// ClusterStateResponse is the response of ClusterStateService.Do.
|
|
type ClusterStateResponse struct {
|
|
ClusterName string `json:"cluster_name"`
|
|
ClusterUUID string `json:"cluster_uuid"`
|
|
Version int64 `json:"version"`
|
|
StateUUID string `json:"state_uuid"`
|
|
MasterNode string `json:"master_node"`
|
|
Blocks map[string]*clusterBlocks `json:"blocks"`
|
|
Nodes map[string]*discoveryNode `json:"nodes"`
|
|
Metadata *clusterStateMetadata `json:"metadata"`
|
|
RoutingTable *clusterStateRoutingTable `json:"routing_table"`
|
|
RoutingNodes *clusterStateRoutingNode `json:"routing_nodes"`
|
|
Customs map[string]interface{} `json:"customs"`
|
|
}
|
|
|
|
type clusterBlocks struct {
|
|
Global map[string]*clusterBlock `json:"global"` // id -> cluster block
|
|
Indices map[string]*clusterBlock `json:"indices"` // index name -> cluster block
|
|
}
|
|
|
|
type clusterBlock struct {
|
|
Description string `json:"description"`
|
|
Retryable bool `json:"retryable"`
|
|
DisableStatePersistence bool `json:"disable_state_persistence"`
|
|
Levels []string `json:"levels"`
|
|
}
|
|
|
|
type clusterStateMetadata struct {
|
|
ClusterUUID string `json:"cluster_uuid"`
|
|
ClusterUUIDCommitted string `json:"cluster_uuid_committed"`
|
|
ClusterCoordination *clusterCoordinationMetaData `json:"cluster_coordination"`
|
|
Templates map[string]*indexTemplateMetaData `json:"templates"` // template name -> index template metadata
|
|
Indices map[string]*indexMetaData `json:"indices"` // index name _> meta data
|
|
RoutingTable struct {
|
|
Indices map[string]*indexRoutingTable `json:"indices"` // index name -> routing table
|
|
} `json:"routing_table"`
|
|
RoutingNodes struct {
|
|
Unassigned []*shardRouting `json:"unassigned"`
|
|
Nodes []*shardRouting `json:"nodes"`
|
|
} `json:"routing_nodes"`
|
|
Customs map[string]interface{} `json:"customs"`
|
|
Ingest map[string]interface{} `json:"ingest"`
|
|
StoredScripts map[string]interface{} `json:"stored_scripts"`
|
|
IndexGraveyard map[string]interface{} `json:"index-graveyard"`
|
|
}
|
|
|
|
type clusterCoordinationMetaData struct {
|
|
Term int64 `json:"term"`
|
|
LastCommittedConfig interface{} `json:"last_committed_config,omitempty"`
|
|
LastAcceptedConfig interface{} `json:"last_accepted_config,omitempty"`
|
|
VotingConfigExclusions []interface{} `json:"voting_config_exclusions,omitempty"`
|
|
}
|
|
|
|
type discoveryNode struct {
|
|
Name string `json:"name"` // server name, e.g. "es1"
|
|
EphemeralID string `json:"ephemeral_id"` // e.g. "paHSLpn6QyuVy_n-GM1JAQ"
|
|
TransportAddress string `json:"transport_address"` // e.g. inet[/1.2.3.4:9300]
|
|
Attributes map[string]interface{} `json:"attributes"` // e.g. { "data": true, "master": true }
|
|
}
|
|
|
|
type clusterStateRoutingTable struct {
|
|
Indices map[string]interface{} `json:"indices"`
|
|
}
|
|
|
|
type clusterStateRoutingNode struct {
|
|
Unassigned []*shardRouting `json:"unassigned"`
|
|
// Node Id -> shardRouting
|
|
Nodes map[string][]*shardRouting `json:"nodes"`
|
|
}
|
|
|
|
type indexTemplateMetaData struct {
|
|
IndexPatterns []string `json:"index_patterns"` // e.g. ["store-*"]
|
|
Order int `json:"order"`
|
|
Settings map[string]interface{} `json:"settings"` // index settings
|
|
Mappings map[string]interface{} `json:"mappings"` // type name -> mapping
|
|
}
|
|
|
|
type indexMetaData struct {
|
|
State string `json:"state"`
|
|
Settings map[string]interface{} `json:"settings"`
|
|
Mappings map[string]interface{} `json:"mappings"`
|
|
Aliases []string `json:"aliases"` // e.g. [ "alias1", "alias2" ]
|
|
PrimaryTerms map[string]interface{} `json:"primary_terms"`
|
|
InSyncAllocations map[string]interface{} `json:"in_sync_allocations"`
|
|
}
|
|
|
|
type indexRoutingTable struct {
|
|
Shards map[string]*shardRouting `json:"shards"`
|
|
}
|
|
|
|
type shardRouting struct {
|
|
State string `json:"state"`
|
|
Primary bool `json:"primary"`
|
|
Node string `json:"node"`
|
|
RelocatingNode string `json:"relocating_node"`
|
|
Shard int `json:"shard"`
|
|
Index string `json:"index"`
|
|
Version int64 `json:"version"`
|
|
RestoreSource *RestoreSource `json:"restore_source"`
|
|
AllocationId *allocationId `json:"allocation_id"`
|
|
UnassignedInfo *unassignedInfo `json:"unassigned_info"`
|
|
}
|
|
|
|
type RestoreSource struct {
|
|
Repository string `json:"repository"`
|
|
Snapshot string `json:"snapshot"`
|
|
Version string `json:"version"`
|
|
Index string `json:"index"`
|
|
}
|
|
|
|
type allocationId struct {
|
|
Id string `json:"id"`
|
|
RelocationId string `json:"relocation_id"`
|
|
}
|
|
|
|
type unassignedInfo struct {
|
|
Reason string `json:"reason"`
|
|
At string `json:"at"`
|
|
Details string `json:"details"`
|
|
}
|