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.
152 lines
3.8 KiB
Go
152 lines
3.8 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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"encoding/json"
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"fmt"
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"net/url"
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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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// IngestPutPipelineService adds pipelines and updates existing pipelines in
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// the cluster.
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//
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// It is documented at https://www.elastic.co/guide/en/elasticsearch/reference/5.2/put-pipeline-api.html.
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type IngestPutPipelineService struct {
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client *Client
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pretty bool
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id string
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masterTimeout string
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timeout string
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bodyJson interface{}
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bodyString string
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}
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// NewIngestPutPipelineService creates a new IngestPutPipelineService.
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func NewIngestPutPipelineService(client *Client) *IngestPutPipelineService {
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return &IngestPutPipelineService{
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client: client,
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}
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}
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// Id is the pipeline ID.
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func (s *IngestPutPipelineService) Id(id string) *IngestPutPipelineService {
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s.id = id
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return s
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}
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// MasterTimeout is an explicit operation timeout for connection to master node.
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func (s *IngestPutPipelineService) MasterTimeout(masterTimeout string) *IngestPutPipelineService {
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s.masterTimeout = masterTimeout
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return s
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}
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// Timeout specifies an explicit operation timeout.
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func (s *IngestPutPipelineService) Timeout(timeout string) *IngestPutPipelineService {
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s.timeout = timeout
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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 *IngestPutPipelineService) Pretty(pretty bool) *IngestPutPipelineService {
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s.pretty = pretty
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return s
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}
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// BodyJson is the ingest definition, defined as a JSON-serializable document.
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// Use e.g. a map[string]interface{} here.
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func (s *IngestPutPipelineService) BodyJson(body interface{}) *IngestPutPipelineService {
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s.bodyJson = body
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return s
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}
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// BodyString is the ingest definition, specified as a string.
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func (s *IngestPutPipelineService) BodyString(body string) *IngestPutPipelineService {
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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 *IngestPutPipelineService) buildURL() (string, url.Values, error) {
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// Build URL
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path, err := uritemplates.Expand("/_ingest/pipeline/{id}", map[string]string{
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"id": s.id,
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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.masterTimeout != "" {
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params.Set("master_timeout", s.masterTimeout)
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}
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if s.timeout != "" {
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params.Set("timeout", s.timeout)
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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 *IngestPutPipelineService) Validate() error {
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var invalid []string
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if s.id == "" {
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invalid = append(invalid, "Id")
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}
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if s.bodyString == "" && s.bodyJson == nil {
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invalid = append(invalid, "BodyJson")
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}
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if len(invalid) > 0 {
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return fmt.Errorf("missing required fields: %v", invalid)
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}
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return nil
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}
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// Do executes the operation.
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func (s *IngestPutPipelineService) Do(ctx context.Context) (*IngestPutPipelineResponse, 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(IngestPutPipelineResponse)
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if err := json.Unmarshal(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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// IngestPutPipelineResponse is the response of IngestPutPipelineService.Do.
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type IngestPutPipelineResponse struct {
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Acknowledged bool `json:"acknowledged"`
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}
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