Class: SearchFlip::Connection
- Inherits:
-
Object
- Object
- SearchFlip::Connection
- Defined in:
- lib/search_flip/connection.rb
Instance Attribute Summary collapse
-
#base_url ⇒ Object
readonly
Returns the value of attribute base_url.
-
#bulk_limit ⇒ Object
readonly
Returns the value of attribute bulk_limit.
-
#bulk_max_mb ⇒ Object
readonly
Returns the value of attribute bulk_max_mb.
-
#http_client ⇒ Object
readonly
Returns the value of attribute http_client.
Instance Method Summary collapse
-
#alias_exists?(alias_name) ⇒ Boolean
Returns whether or not the associated Elasticsearch alias already exists.
-
#analyze(request, params = {}) ⇒ Hash
Sends an analyze request to Elasticsearch.
-
#close_index(index_name) ⇒ Boolean
Closes the specified index within Elasticsearch.
-
#cluster_health ⇒ Hash
Queries and returns the Elasticsearch cluster health.
-
#create_index(index_name, index_settings = {}, params = {}) ⇒ Boolean
Creates the specified index within Elasticsearch and applies index settings, if specified.
-
#delete_index(index_name) ⇒ Boolean
Deletes the specified index from Elasticsearch.
-
#freeze_index(index_name) ⇒ Boolean
Freezes the specified index within Elasticsearch.
-
#get_aliases(index_name: "*", alias_name: "*") ⇒ Hash
Fetches information about the specified index aliases.
-
#get_index_settings(index_name) ⇒ Hash
Fetches the index settings for the specified index from Elasticsearch.
-
#get_indices(name = "*", params: {}) ⇒ Array
(also: #cat_indices)
Fetches information about the specified indices.
-
#get_mapping(index_name, type_name: nil) ⇒ Hash
Retrieves the mapping for the specified index and type from Elasticsearch.
-
#index_exists?(index_name) ⇒ Boolean
Returns whether or not the specified index already exists.
-
#index_url(index_name) ⇒ String
Returns the Elasticsearch index URL for the specified index name, ie base URL and index name with prefix.
-
#initialize(options = {}) ⇒ Connection
constructor
Creates a new connection.
-
#msearch(criterias) ⇒ Array<SearchFlip::Response>
Uses the Elasticsearch Multi Search API to execute multiple search requests within a single request.
-
#open_index(index_name) ⇒ Boolean
Opens the specified index within Elasticsearch.
-
#refresh(index_names = nil) ⇒ Boolean
Sends a refresh request to Elasticsearch.
-
#type_url(index_name, type_name) ⇒ String
Returns the full Elasticsearch type URL, ie base URL, index name with prefix and type name.
-
#unfreeze_index(index_name) ⇒ Boolean
Unfreezes the specified index within Elasticsearch.
-
#update_aliases(payload) ⇒ Hash
Used to manipulate, ie add and remove index aliases.
-
#update_index_settings(index_name, index_settings) ⇒ Boolean
Updates the index settings within Elasticsearch according to the index settings specified.
-
#update_mapping(index_name, mapping, type_name: nil) ⇒ Boolean
Updates the type mapping for the specified index and type within Elasticsearch according to the specified mapping.
-
#version ⇒ String
Queries and returns the Elasticsearch version used.
Constructor Details
#initialize(options = {}) ⇒ Connection
Creates a new connection.
15 16 17 18 19 20 |
# File 'lib/search_flip/connection.rb', line 15 def initialize( = {}) @base_url = [:base_url] || SearchFlip::Config[:base_url] @http_client = [:http_client] || SearchFlip::HTTPClient.new @bulk_limit = [:bulk_limit] || SearchFlip::Config[:bulk_limit] @version_mutex = Mutex.new end |
Instance Attribute Details
#base_url ⇒ Object (readonly)
Returns the value of attribute base_url.
3 4 5 |
# File 'lib/search_flip/connection.rb', line 3 def base_url @base_url end |
#bulk_limit ⇒ Object (readonly)
Returns the value of attribute bulk_limit.
3 4 5 |
# File 'lib/search_flip/connection.rb', line 3 def bulk_limit @bulk_limit end |
#bulk_max_mb ⇒ Object (readonly)
Returns the value of attribute bulk_max_mb.
3 4 5 |
# File 'lib/search_flip/connection.rb', line 3 def bulk_max_mb @bulk_max_mb end |
#http_client ⇒ Object (readonly)
Returns the value of attribute http_client.
3 4 5 |
# File 'lib/search_flip/connection.rb', line 3 def http_client @http_client end |
Instance Method Details
#alias_exists?(alias_name) ⇒ Boolean
Returns whether or not the associated Elasticsearch alias already exists.
141 142 143 144 145 146 147 148 149 150 151 |
# File 'lib/search_flip/connection.rb', line 141 def alias_exists?(alias_name) http_client .headers(accept: "application/json", content_type: "application/json") .get("#{base_url}/_alias/#{alias_name}") true rescue SearchFlip::ResponseError => e return false if e.code == 404 raise e end |
#analyze(request, params = {}) ⇒ Hash
Sends an analyze request to Elasticsearch. Raises SearchFlip::ResponseError in case any errors occur.
107 108 109 110 111 112 |
# File 'lib/search_flip/connection.rb', line 107 def analyze(request, params = {}) http_client .headers(accept: "application/json") .post("#{base_url}/_analyze", json: request, params: params) .parse end |
#close_index(index_name) ⇒ Boolean
Closes the specified index within Elasticsearch. Raises SearchFlip::ResponseError in case any errors occur
193 194 195 196 197 |
# File 'lib/search_flip/connection.rb', line 193 def close_index(index_name) http_client.post("#{index_url(index_name)}/_close") true end |
#cluster_health ⇒ Hash
Queries and returns the Elasticsearch cluster health.
42 43 44 |
# File 'lib/search_flip/connection.rb', line 42 def cluster_health http_client.headers(accept: "application/json").get("#{base_url}/_cluster/health").parse end |
#create_index(index_name, index_settings = {}, params = {}) ⇒ Boolean
Creates the specified index within Elasticsearch and applies index settings, if specified. Raises SearchFlip::ResponseError in case any errors occur.
180 181 182 183 184 |
# File 'lib/search_flip/connection.rb', line 180 def create_index(index_name, index_settings = {}, params = {}) http_client.put(index_url(index_name), params: params, json: index_settings) true end |
#delete_index(index_name) ⇒ Boolean
Deletes the specified index from Elasticsearch. Raises SearchFlip::ResponseError in case any errors occur.
323 324 325 326 327 |
# File 'lib/search_flip/connection.rb', line 323 def delete_index(index_name) http_client.delete index_url(index_name) true end |
#freeze_index(index_name) ⇒ Boolean
Freezes the specified index within Elasticsearch. Raises SearchFlip::ResponseError in case any errors occur
219 220 221 222 223 |
# File 'lib/search_flip/connection.rb', line 219 def freeze_index(index_name) http_client.post("#{index_url(index_name)}/_freeze") true end |
#get_aliases(index_name: "*", alias_name: "*") ⇒ Hash
Fetches information about the specified index aliases. Raises SearchFlip::ResponseError in case any errors occur.
126 127 128 129 130 131 |
# File 'lib/search_flip/connection.rb', line 126 def get_aliases(index_name: "*", alias_name: "*") http_client .headers(accept: "application/json", content_type: "application/json") .get("#{base_url}/#{index_name}/_alias/#{alias_name}") .parse end |
#get_index_settings(index_name) ⇒ Hash
Fetches the index settings for the specified index from Elasticsearch. Sends a GET request to index_url/_settings. Raises SearchFlip::ResponseError in case any errors occur.
261 262 263 264 265 266 |
# File 'lib/search_flip/connection.rb', line 261 def get_index_settings(index_name) http_client .headers(accept: "application/json") .get("#{index_url(index_name)}/_settings") .parse end |
#get_indices(name = "*", params: {}) ⇒ Array Also known as: cat_indices
Fetches information about the specified indices. Raises SearchFlip::ResponseError in case any errors occur.
161 162 163 164 165 166 |
# File 'lib/search_flip/connection.rb', line 161 def get_indices(name = "*", params: {}) http_client .headers(accept: "application/json", content_type: "application/json") .get("#{base_url}/_cat/indices/#{name}", params: params) .parse end |
#get_mapping(index_name, type_name: nil) ⇒ Hash
Retrieves the mapping for the specified index and type from Elasticsearch. Raises SearchFlip::ResponseError in case any errors occur.
309 310 311 312 313 314 |
# File 'lib/search_flip/connection.rb', line 309 def get_mapping(index_name, type_name: nil) url = type_name ? type_url(index_name, type_name) : index_url(index_name) params = type_name && version.to_f >= 6.7 ? { include_type_name: true } : {} http_client.headers(accept: "application/json").get("#{url}/_mapping", params: params).parse end |
#index_exists?(index_name) ⇒ Boolean
Returns whether or not the specified index already exists.
335 336 337 338 339 340 341 342 343 |
# File 'lib/search_flip/connection.rb', line 335 def index_exists?(index_name) http_client.headers(accept: "application/json").head(index_url(index_name)) true rescue SearchFlip::ResponseError => e return false if e.code == 404 raise e end |
#index_url(index_name) ⇒ String
Returns the Elasticsearch index URL for the specified index name, ie base URL and index name with prefix.
364 365 366 |
# File 'lib/search_flip/connection.rb', line 364 def index_url(index_name) "#{base_url}/#{index_name}" end |
#msearch(criterias) ⇒ Array<SearchFlip::Response>
Uses the Elasticsearch Multi Search API to execute multiple search requests within a single request. Raises SearchFlip::ResponseError in case any errors occur.
58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 |
# File 'lib/search_flip/connection.rb', line 58 def msearch(criterias) payload = criterias.flat_map do |criteria| [ SearchFlip::JSON.generate(index: criteria.target.index_name_with_prefix, type: criteria.target.type_name), SearchFlip::JSON.generate(criteria.request) ] end payload = payload.join("\n") payload << "\n" raw_response = http_client .headers(accept: "application/json", content_type: "application/x-ndjson") .post("#{base_url}/_msearch", body: payload) raw_response.parse["responses"].map.with_index do |response, index| SearchFlip::Response.new(criterias[index], response) end end |
#open_index(index_name) ⇒ Boolean
Opens the specified index within Elasticsearch. Raises SearchFlip::ResponseError in case any errors occur
206 207 208 209 210 |
# File 'lib/search_flip/connection.rb', line 206 def open_index(index_name) http_client.post("#{index_url(index_name)}/_open") true end |
#refresh(index_names = nil) ⇒ Boolean
Sends a refresh request to Elasticsearch. Raises SearchFlip::ResponseError in case any errors occur.
274 275 276 277 278 |
# File 'lib/search_flip/connection.rb', line 274 def refresh(index_names = nil) http_client.post("#{index_names ? index_url(Array(index_names).join(",")) : base_url}/_refresh", json: {}) true end |
#type_url(index_name, type_name) ⇒ String
Returns the full Elasticsearch type URL, ie base URL, index name with prefix and type name.
353 354 355 |
# File 'lib/search_flip/connection.rb', line 353 def type_url(index_name, type_name) "#{index_url(index_name)}/#{type_name}" end |
#unfreeze_index(index_name) ⇒ Boolean
Unfreezes the specified index within Elasticsearch. Raises SearchFlip::ResponseError in case any errors occur
232 233 234 235 236 |
# File 'lib/search_flip/connection.rb', line 232 def unfreeze_index(index_name) http_client.post("#{index_url(index_name)}/_unfreeze") true end |
#update_aliases(payload) ⇒ Hash
Used to manipulate, ie add and remove index aliases. Raises an SearchFlip::ResponseError in case any errors occur.
92 93 94 95 96 97 |
# File 'lib/search_flip/connection.rb', line 92 def update_aliases(payload) http_client .headers(accept: "application/json", content_type: "application/json") .post("#{base_url}/_aliases", body: SearchFlip::JSON.generate(payload)) .parse end |
#update_index_settings(index_name, index_settings) ⇒ Boolean
Updates the index settings within Elasticsearch according to the index settings specified. Raises SearchFlip::ResponseError in case any errors occur.
247 248 249 250 251 |
# File 'lib/search_flip/connection.rb', line 247 def update_index_settings(index_name, index_settings) http_client.put("#{index_url(index_name)}/_settings", json: index_settings) true end |
#update_mapping(index_name, mapping, type_name: nil) ⇒ Boolean
Updates the type mapping for the specified index and type within Elasticsearch according to the specified mapping. Raises SearchFlip::ResponseError in case any errors occur.
291 292 293 294 295 296 297 298 |
# File 'lib/search_flip/connection.rb', line 291 def update_mapping(index_name, mapping, type_name: nil) url = type_name ? type_url(index_name, type_name) : index_url(index_name) params = type_name && version.to_f >= 6.7 ? { include_type_name: true } : {} http_client.put("#{url}/_mapping", params: params, json: mapping) true end |
#version ⇒ String
Queries and returns the Elasticsearch version used.
29 30 31 32 33 |
# File 'lib/search_flip/connection.rb', line 29 def version @version_mutex.synchronize do @version ||= http_client.headers(accept: "application/json").get("#{base_url}/").parse["version"]["number"] end end |