This change adds `access` format support for notifications to a Elasticsearch server, and it refactors `namespace` format support. In the case of `access` format, for each event in Minio, a JSON document is inserted into Elasticsearch with its timestamp set to the event's timestamp, and with the ID generated automatically by elasticsearch. No events are modified or deleted in this mode. In the case of `namespace` format, for each event in Minio, a JSON document is keyed together by the bucket and object name is updated in Elasticsearch. In the case of an object being created or over-written in Minio, a new document or an existing document is inserted into the Elasticsearch index. If an object is deleted in Minio, the corresponding document is deleted from the Elasticsearch index. Additionally, this change upgrades Elasticsearch support to the 5.x series. This is a breaking change, and users of previous elasticsearch versions should upgrade. Also updates documentation on Elasticsearch notification target usage and has a link to an elasticsearch upgrade guide. This is the last patch that finally resolves #3928.
185 lines
5.2 KiB
Go
185 lines
5.2 KiB
Go
// 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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"golang.org/x/net/context"
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"gopkg.in/olivere/elastic.v5/uritemplates"
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)
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// IndicesPutSettingsService changes specific index level settings in
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// real time.
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//
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// See the documentation at
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// https://www.elastic.co/guide/en/elasticsearch/reference/5.2/indices-update-settings.html.
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type IndicesPutSettingsService struct {
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client *Client
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pretty bool
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index []string
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allowNoIndices *bool
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expandWildcards string
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flatSettings *bool
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ignoreUnavailable *bool
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masterTimeout string
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bodyJson interface{}
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bodyString string
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}
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// NewIndicesPutSettingsService creates a new IndicesPutSettingsService.
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func NewIndicesPutSettingsService(client *Client) *IndicesPutSettingsService {
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return &IndicesPutSettingsService{
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client: client,
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index: make([]string, 0),
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}
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}
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// Index is a list of index names the mapping should be added to
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// (supports wildcards); use `_all` or omit to add the mapping on all indices.
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func (s *IndicesPutSettingsService) Index(indices ...string) *IndicesPutSettingsService {
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s.index = append(s.index, indices...)
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return s
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}
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// AllowNoIndices indicates whether to ignore if a wildcard indices
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// expression resolves into no concrete indices. (This includes `_all`
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// string or when no indices have been specified).
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func (s *IndicesPutSettingsService) AllowNoIndices(allowNoIndices bool) *IndicesPutSettingsService {
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s.allowNoIndices = &allowNoIndices
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return s
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}
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// ExpandWildcards specifies whether to expand wildcard expression to
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// concrete indices that are open, closed or both.
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func (s *IndicesPutSettingsService) ExpandWildcards(expandWildcards string) *IndicesPutSettingsService {
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s.expandWildcards = expandWildcards
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return s
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}
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// FlatSettings indicates whether to return settings in flat format (default: false).
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func (s *IndicesPutSettingsService) FlatSettings(flatSettings bool) *IndicesPutSettingsService {
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s.flatSettings = &flatSettings
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return s
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}
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// IgnoreUnavailable specifies whether specified concrete indices should be
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// ignored when unavailable (missing or closed).
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func (s *IndicesPutSettingsService) IgnoreUnavailable(ignoreUnavailable bool) *IndicesPutSettingsService {
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s.ignoreUnavailable = &ignoreUnavailable
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return s
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}
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// MasterTimeout is the timeout for connection to master.
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func (s *IndicesPutSettingsService) MasterTimeout(masterTimeout string) *IndicesPutSettingsService {
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s.masterTimeout = masterTimeout
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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 *IndicesPutSettingsService) Pretty(pretty bool) *IndicesPutSettingsService {
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s.pretty = pretty
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return s
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}
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// BodyJson is documented as: The index settings to be updated.
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func (s *IndicesPutSettingsService) BodyJson(body interface{}) *IndicesPutSettingsService {
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s.bodyJson = body
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return s
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}
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// BodyString is documented as: The index settings to be updated.
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func (s *IndicesPutSettingsService) BodyString(body string) *IndicesPutSettingsService {
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s.bodyString = body
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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 *IndicesPutSettingsService) 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.index) > 0 {
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path, err = uritemplates.Expand("/{index}/_settings", map[string]string{
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"index": strings.Join(s.index, ","),
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})
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} else {
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path = "/_settings"
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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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// 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.allowNoIndices != nil {
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params.Set("allow_no_indices", fmt.Sprintf("%v", *s.allowNoIndices))
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}
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if s.expandWildcards != "" {
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params.Set("expand_wildcards", s.expandWildcards)
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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.ignoreUnavailable != nil {
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params.Set("ignore_unavailable", fmt.Sprintf("%v", *s.ignoreUnavailable))
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}
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if s.masterTimeout != "" {
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params.Set("master_timeout", s.masterTimeout)
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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 *IndicesPutSettingsService) 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 *IndicesPutSettingsService) Do(ctx context.Context) (*IndicesPutSettingsResponse, 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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// Setup HTTP request body
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var body interface{}
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if s.bodyJson != nil {
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body = s.bodyJson
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} else {
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body = s.bodyString
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}
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// Get HTTP response
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res, err := s.client.PerformRequest(ctx, "PUT", path, params, body)
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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(IndicesPutSettingsResponse)
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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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// IndicesPutSettingsResponse is the response of IndicesPutSettingsService.Do.
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type IndicesPutSettingsResponse struct {
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Acknowledged bool `json:"acknowledged"`
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}
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