elasticsearch

Documentation

Index

• Variables
• func New(cfg *common.Config, topologyExpire int) (outputs.Outputer, error)
• type Client
  • func NewClient(esURL, index string, proxyURL *url.URL, tls *tls.Config, ...) (*Client, error)
  • func (client *Client) CheckTemplate(templateName string) bool
  • func (client *Client) Clone() *Client
  • func (client *Client) LoadTemplate(templateName string, template map[string]interface{}) error
  • func (client *Client) PublishEvent(event common.MapStr) error
  • func (client *Client) PublishEvents(events []common.MapStr) ([]common.MapStr, error)
• type Connection
  • func (conn *Connection) Bulk(index, docType string, params map[string]string, body []interface{}) (*QueryResult, error)
  • func (conn *Connection) BulkWith(index string, docType string, params map[string]string, ...) (*QueryResult, error)
  • func (conn *Connection) Close() error
  • func (conn *Connection) Connect(timeout time.Duration) error
  • func (es *Connection) CountSearchURI(index string, docType string, params map[string]string) (int, *CountResults, error)
  • func (es *Connection) CreateIndex(index string, body interface{}) (int, *QueryResult, error)
  • func (es *Connection) Delete(index string, docType string, id string, params map[string]string) (int, *QueryResult, error)
  • func (es *Connection) Index(index, docType, id string, params map[string]string, body interface{}) (int, *QueryResult, error)
  • func (conn *Connection) IsConnected() bool
  • func (conn *Connection) Ping(timeout time.Duration) (bool, error)
  • func (es *Connection) Refresh(index string) (int, *QueryResult, error)
  • func (es *Connection) SearchURI(index string, docType string, params map[string]string) (int, *SearchResults, error)
• type CountResults
• type Hits
• type MetaBuilder
• type QueryResult
  • func (r QueryResult) String() string
• type SearchResults
• type Template

Variables

var (
	// ErrNotConnected indicates failure due to client having no valid connection
	ErrNotConnected = errors.New("not connected")

	// ErrJSONEncodeFailed indicates encoding failures
	ErrJSONEncodeFailed = errors.New("json encode failed")

	// ErrResponseRead indicates error parsing Elasticsearch response
	ErrResponseRead = errors.New("bulk item status parse failed")
)

Functions

func New

func New(cfg *common.Config, topologyExpire int) (outputs.Outputer, error)

New instantiates a new output plugin instance publishing to elasticsearch.

Types

type Client

type Client struct {
	Connection
	// contains filtered or unexported fields
}

func NewClient

func NewClient(
	esURL, index string, proxyURL *url.URL, tls *tls.Config,
	username, password string,
	params map[string]string,
	timeout time.Duration,
	compression int,
	onConnectCallback connectCallback,
) (*Client, error)

func (*Client) CheckTemplate

func (client *Client) CheckTemplate(templateName string) bool

CheckTemplate checks if a given template already exist. It returns true if and only if Elasticsearch returns with HTTP status code 200.

func (*Client) Clone

func (client *Client) Clone() *Client

func (*Client) LoadTemplate

func (client *Client) LoadTemplate(templateName string, template map[string]interface{}) error

LoadTemplate loads a template into Elasticsearch overwriting the existing template if it exists. If you wish to not overwrite an existing template then use CheckTemplate prior to calling this method.

func (*Client) PublishEvent

func (client *Client) PublishEvent(event common.MapStr) error

func (*Client) PublishEvents

func (client *Client) PublishEvents(
	events []common.MapStr,
) ([]common.MapStr, error)

PublishEvents sends all events to elasticsearch. On error a slice with all events not published or confirmed to be processed by elasticsearch will be returned. The input slice backing memory will be reused by return the value.

type Connection

type Connection struct {
	URL      string
	Username string
	Password string
	// contains filtered or unexported fields
}

func (*Connection) Bulk

func (conn *Connection) Bulk(
	index, docType string,
	params map[string]string, body []interface{},
) (*QueryResult, error)

Bulk performs many index/delete operations in a single API call. Implements: http://www.elastic.co/guide/en/elasticsearch/reference/current/docs-bulk.html

func (*Connection) BulkWith

func (conn *Connection) BulkWith(
	index string,
	docType string,
	params map[string]string,
	metaBuilder MetaBuilder,
	body []interface{},
) (*QueryResult, error)

BulkWith creates a HTTP request containing a bunch of operations and send them to Elasticsearch. The request is retransmitted up to max_retries before returning an error.

func (*Connection) Close

func (conn *Connection) Close() error

func (*Connection) Connect

func (conn *Connection) Connect(timeout time.Duration) error

func (*Connection) CountSearchURI

func (es *Connection) CountSearchURI(
	index string, docType string,
	params map[string]string,
) (int, *CountResults, error)

func (*Connection) CreateIndex

func (es *Connection) CreateIndex(index string, body interface{}) (int, *QueryResult, error)

CreateIndex creates a new index, optionally with settings and mappings passed in the body. Implements: https://www.elastic.co/guide/en/elasticsearch/reference/current/indices-create-index.html

func (*Connection) Delete

func (es *Connection) Delete(index string, docType string, id string, params map[string]string) (int, *QueryResult, error)

Delete deletes a typed JSON document from a specific index based on its id. Implements: http://www.elastic.co/guide/en/elasticsearch/reference/current/docs-delete.html

func (*Connection) Index

func (es *Connection) Index(
	index, docType, id string,
	params map[string]string,
	body interface{},
) (int, *QueryResult, error)

Index adds or updates a typed JSON document in a specified index, making it searchable. In case id is empty, a new id is created over a HTTP POST request. Otherwise, a HTTP PUT request is issued. Implements: http://www.elastic.co/guide/en/elasticsearch/reference/current/docs-index_.html

func (*Connection) IsConnected

func (conn *Connection) IsConnected() bool

func (*Connection) Ping

func (conn *Connection) Ping(timeout time.Duration) (bool, error)

func (*Connection) Refresh

func (es *Connection) Refresh(index string) (int, *QueryResult, error)

Refresh an index. Call this after doing inserts or creating/deleting indexes in unit tests.

func (*Connection) SearchURI

func (es *Connection) SearchURI(index string, docType string, params map[string]string) (int, *SearchResults, error)

A search request can be executed purely using a URI by providing request parameters. Implements: http://www.elastic.co/guide/en/elasticsearch/reference/current/search-uri-request.html

type CountResults

type CountResults struct {
	Count  int             `json:"count"`
	Shards json.RawMessage `json:"_shards"`
}

type Hits

type Hits struct {
	Total int
	Hits  []json.RawMessage `json:"hits"`
}

type MetaBuilder

type MetaBuilder func(interface{}) interface{}

MetaBuilder creates meta data for bulk requests

type QueryResult

type QueryResult struct {
	Ok      bool            `json:"ok"`
	Index   string          `json:"_index"`
	Type    string          `json:"_type"`
	ID      string          `json:"_id"`
	Source  json.RawMessage `json:"_source"`
	Version int             `json:"_version"`
	Found   bool            `json:"found"`
	Exists  bool            `json:"exists"`
	Created bool            `json:"created"`
	Matches []string        `json:"matches"`
}

func (QueryResult) String

func (r QueryResult) String() string

type SearchResults

type SearchResults struct {
	Took   int                        `json:"took"`
	Shards json.RawMessage            `json:"_shards"`
	Hits   Hits                       `json:"hits"`
	Aggs   map[string]json.RawMessage `json:"aggregations"`
}

type Template

type Template struct {
	Name      string `config:"name"`
	Path      string `config:"path"`
	Overwrite bool   `config:"overwrite"`
}