Albirew/nyaa-pantsu
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nyaa-pantsu/vendor/gopkg.in/olivere/elastic.v5/cluster_health.go
akuma06 a41f938cec Add Godep support (#758)
As we have seen, dependencies version can prevent the build. We should
user lock versions on dependencies that we know work:
* Packages are vendored
* Add Godep support
* Added addtional install step in readme
* Fix travis build error
2017-05-26 13:07:22 +02:00

244 lignes
8 Kio
Go

// 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/url"
"strings"
"gopkg.in/olivere/elastic.v5/uritemplates"
)
// ClusterHealthService allows to get a very simple status on the health of the cluster.
//
// See http://www.elastic.co/guide/en/elasticsearch/reference/5.2/cluster-health.html
// for details.
type ClusterHealthService struct {
client *Client
pretty bool
indices []string
level string
local *bool
masterTimeout string
timeout string
waitForActiveShards *int
waitForNodes string
waitForNoRelocatingShards *bool
waitForStatus string
}
// NewClusterHealthService creates a new ClusterHealthService.
func NewClusterHealthService(client *Client) *ClusterHealthService {
return &ClusterHealthService{
client: client,
indices: make([]string, 0),
}
}
// Index limits the information returned to specific indices.
func (s *ClusterHealthService) Index(indices ...string) *ClusterHealthService {
s.indices = append(s.indices, indices...)
return s
}
// Level specifies the level of detail for returned information.
func (s *ClusterHealthService) Level(level string) *ClusterHealthService {
s.level = level
return s
}
// Local indicates whether to return local information. If it is true,
// we do not retrieve the state from master node (default: false).
func (s *ClusterHealthService) Local(local bool) *ClusterHealthService {
s.local = &local
return s
}
// MasterTimeout specifies an explicit operation timeout for connection to master node.
func (s *ClusterHealthService) MasterTimeout(masterTimeout string) *ClusterHealthService {
s.masterTimeout = masterTimeout
return s
}
// Timeout specifies an explicit operation timeout.
func (s *ClusterHealthService) Timeout(timeout string) *ClusterHealthService {
s.timeout = timeout
return s
}
// WaitForActiveShards can be used to wait until the specified number of shards are active.
func (s *ClusterHealthService) WaitForActiveShards(waitForActiveShards int) *ClusterHealthService {
s.waitForActiveShards = &waitForActiveShards
return s
}
// WaitForNodes can be used to wait until the specified number of nodes are available.
// Example: "12" to wait for exact values, ">12" and "<12" for ranges.
func (s *ClusterHealthService) WaitForNodes(waitForNodes string) *ClusterHealthService {
s.waitForNodes = waitForNodes
return s
}
// WaitForNoRelocatingShards can be used to wait until all shard relocations are finished.
func (s *ClusterHealthService) WaitForNoRelocatingShards(waitForNoRelocatingShards bool) *ClusterHealthService {
s.waitForNoRelocatingShards = &waitForNoRelocatingShards
return s
}
// WaitForStatus can be used to wait until the cluster is in a specific state.
// Valid values are: green, yellow, or red.
func (s *ClusterHealthService) WaitForStatus(waitForStatus string) *ClusterHealthService {
s.waitForStatus = waitForStatus
return s
}
// WaitForGreenStatus will wait for the "green" state.
func (s *ClusterHealthService) WaitForGreenStatus() *ClusterHealthService {
return s.WaitForStatus("green")
}
// WaitForYellowStatus will wait for the "yellow" state.
func (s *ClusterHealthService) WaitForYellowStatus() *ClusterHealthService {
return s.WaitForStatus("yellow")
}
// Pretty indicates that the JSON response be indented and human readable.
func (s *ClusterHealthService) Pretty(pretty bool) *ClusterHealthService {
s.pretty = pretty
return s
}
// buildURL builds the URL for the operation.
func (s *ClusterHealthService) buildURL() (string, url.Values, error) {
// Build URL
var err error
var path string
if len(s.indices) > 0 {
path, err = uritemplates.Expand("/_cluster/health/{index}", map[string]string{
"index": strings.Join(s.indices, ","),
})
} else {
path = "/_cluster/health"
}
if err != nil {
return "", url.Values{}, err
}
// Add query string parameters
params := url.Values{}
if s.pretty {
params.Set("pretty", "1")
}
if s.level != "" {
params.Set("level", s.level)
}
if s.local != nil {
params.Set("local", fmt.Sprintf("%v", *s.local))
}
if s.masterTimeout != "" {
params.Set("master_timeout", s.masterTimeout)
}
if s.timeout != "" {
params.Set("timeout", s.timeout)
}
if s.waitForActiveShards != nil {
params.Set("wait_for_active_shards", fmt.Sprintf("%v", s.waitForActiveShards))
}
if s.waitForNodes != "" {
params.Set("wait_for_nodes", s.waitForNodes)
}
if s.waitForNoRelocatingShards != nil {
params.Set("wait_for_no_relocating_shards", fmt.Sprintf("%v", *s.waitForNoRelocatingShards))
}
if s.waitForStatus != "" {
params.Set("wait_for_status", s.waitForStatus)
}
return path, params, nil
}
// Validate checks if the operation is valid.
func (s *ClusterHealthService) Validate() error {
return nil
}
// Do executes the operation.
func (s *ClusterHealthService) Do(ctx context.Context) (*ClusterHealthResponse, 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, "GET", path, params, nil)
if err != nil {
return nil, err
}
// Return operation response
ret := new(ClusterHealthResponse)
if err := s.client.decoder.Decode(res.Body, ret); err != nil {
return nil, err
}
return ret, nil
}
// ClusterHealthResponse is the response of ClusterHealthService.Do.
type ClusterHealthResponse struct {
ClusterName string `json:"cluster_name"`
Status string `json:"status"`
TimedOut bool `json:"timed_out"`
NumberOfNodes int `json:"number_of_nodes"`
NumberOfDataNodes int `json:"number_of_data_nodes"`
ActivePrimaryShards int `json:"active_primary_shards"`
ActiveShards int `json:"active_shards"`
RelocatingShards int `json:"relocating_shards"`
InitializingShards int `json:"initializing_shards"`
UnassignedShards int `json:"unassigned_shards"`
DelayedUnassignedShards int `json:"delayed_unassigned_shards"`
NumberOfPendingTasks int `json:"number_of_pending_tasks"`
NumberOfInFlightFetch int `json:"number_of_in_flight_fetch"`
TaskMaxWaitTimeInQueueInMillis int `json:"task_max_waiting_in_queue_millis"`
ActiveShardsPercentAsNumber float64 `json:"active_shards_percent_as_number"`
// Validation failures -> index name -> array of validation failures
ValidationFailures []map[string][]string `json:"validation_failures"`
// Index name -> index health
Indices map[string]*ClusterIndexHealth `json:"indices"`
}
// ClusterIndexHealth will be returned as part of ClusterHealthResponse.
type ClusterIndexHealth struct {
Status string `json:"status"`
NumberOfShards int `json:"number_of_shards"`
NumberOfReplicas int `json:"number_of_replicas"`
ActivePrimaryShards int `json:"active_primary_shards"`
ActiveShards int `json:"active_shards"`
RelocatingShards int `json:"relocating_shards"`
InitializingShards int `json:"initializing_shards"`
UnassignedShards int `json:"unassigned_shards"`
// Validation failures
ValidationFailures []string `json:"validation_failures"`
// Shards by id, e.g. "0" or "1"
Shards map[string]*ClusterShardHealth `json:"shards"`
}
// ClusterShardHealth will be returned as part of ClusterHealthResponse.
type ClusterShardHealth struct {
Status string `json:"status"`
PrimaryActive bool `json:"primary_active"`
ActiveShards int `json:"active_shards"`
RelocatingShards int `json:"relocating_shards"`
InitializingShards int `json:"initializing_shards"`
UnassignedShards int `json:"unassigned_shards"`
}