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index.rb
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index.rb
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module Tire
class Index
attr_reader :name, :response
def initialize(name, &block)
@name = name
block.arity < 1 ? instance_eval(&block) : block.call(self) if block_given?
end
def url
"#{Configuration.url}/#{@name}"
end
def exists?
@response = Configuration.client.head("#{url}")
@response.success?
ensure
curl = %Q|curl -I "#{url}"|
logged('HEAD', curl)
end
def delete
@response = Configuration.client.delete url
@response.success?
ensure
curl = %Q|curl -X DELETE #{url}|
logged('DELETE', curl)
end
def create(options={})
@options = options
@response = Configuration.client.post url, MultiJson.encode(options)
@response.success? ? @response : false
ensure
curl = %Q|curl -X POST #{url} -d '#{MultiJson.encode(options)}'|
logged('CREATE', curl)
end
def add_alias(alias_name, configuration={})
Alias.create(configuration.merge( :name => alias_name, :index => @name ) )
end
def remove_alias(alias_name)
Alias.find(alias_name) { |a| a.indices.delete @name }.save
end
def aliases(alias_name=nil)
alias_name ? Alias.all(@name).select { |a| a.name == alias_name }.first : Alias.all(@name)
end
def mapping
@response = Configuration.client.get("#{url}/_mapping")
MultiJson.decode(@response.body)[@name]
end
def settings
@response = Configuration.client.get("#{url}/_settings")
MultiJson.decode(@response.body)[@name]['settings']
end
def store(*args)
document, options = args
type = get_type_from_document(document)
if options
percolate = options[:percolate]
percolate = "*" if percolate === true
end
id = get_id_from_document(document)
document = convert_document_to_json(document)
url = id ? "#{self.url}/#{type}/#{id}" : "#{self.url}/#{type}/"
url += "?percolate=#{percolate}" if percolate
@response = Configuration.client.post url, document
MultiJson.decode(@response.body)
ensure
curl = %Q|curl -X POST "#{url}" -d '#{document}'|
logged([type, id].join('/'), curl)
end
def bulk_api_action(action, documents, options={})
payload = documents.map do |document|
type = get_type_from_document(document, :escape => false) # Do not URL-escape the _type
id = get_id_from_document(document)
STDERR.puts "[ERROR] Document #{document.inspect} does not have ID" unless id
output = []
output << %Q|{"#{action}":{"_index":"#{@name}","_type":"#{type}","_id":"#{id}"}}|
unless action == 'delete' # delete does not require a document, just an _id
output << convert_document_to_json(document)
end
output.join("\n")
end
payload << ""
tries = 5
count = 0
begin
@response = Configuration.client.post("#{url}/_bulk", payload.join("\n"))
raise RuntimeError, "#{@response.code} > #{@response.body}" if @response && @response.failure?
@response
rescue StandardError => error
if count < tries
count += 1
STDERR.puts "[ERROR] #{error.message}, retrying (#{count})..."
retry
else
STDERR.puts "[ERROR] Too many exceptions occured, giving up. The HTTP response was: #{error.message}"
raise if options[:raise]
end
ensure
curl = %Q|curl -X POST "#{url}/_bulk" -d '{... data omitted ...}'|
logged('BULK', curl)
end
end
def bulk_create(documents, options={})
bulk_api_action("create", documents, options)
end
def bulk_store(documents, options={})
bulk_api_action("index", documents, options)
end
def bulk_delete(documents, options={})
bulk_api_action("delete", documents, options)
end
def import(klass_or_collection, options={})
case
when method = options.delete(:method)
options = {:page => 1, :per_page => 1000}.merge options
while documents = klass_or_collection.send(method.to_sym, options.merge(:page => options[:page])) \
and documents.to_a.length > 0
documents = yield documents if block_given?
bulk_store documents, options
options[:page] += 1
end
when klass_or_collection.respond_to?(:map)
documents = block_given? ? yield(klass_or_collection) : klass_or_collection
bulk_store documents, options
else
raise ArgumentError, "Please pass either an Enumerable compatible class, or a collection object" +
"with a method for fetching records in batches (such as 'paginate')"
end
end
def reindex(name, options={}, &block)
new_index = Index.new(name)
new_index.create(options) unless new_index.exists?
Search::Scan.new(self.name, &block).each do |results|
new_index.bulk_store results.map do |document|
document.to_hash.except(:type, :_index, :_explanation, :_score, :_version, :highlight, :sort)
end
end
end
def remove(*args)
if args.size > 1
type, document = args
type = Utils.escape(type)
id = get_id_from_document(document) || document
else
document = args.pop
type = get_type_from_document(document)
id = get_id_from_document(document) || document
end
raise ArgumentError, "Please pass a document ID" unless id
url = "#{self.url}/#{type}/#{id}"
result = Configuration.client.delete url
MultiJson.decode(result.body) if result.success?
ensure
curl = %Q|curl -X DELETE "#{url}"|
logged(id, curl)
end
def retrieve(type, id)
raise ArgumentError, "Please pass a document ID" unless id
type = Utils.escape(type)
url = "#{self.url}/#{type}/#{id}"
@response = Configuration.client.get url
h = MultiJson.decode(@response.body)
if Configuration.wrapper == Hash then h
else
return nil if h['exists'] == false
document = h['_source'] || h['fields'] || {}
document.update('id' => h['_id'], '_type' => h['_type'], '_index' => h['_index'], '_version' => h['_version'])
Configuration.wrapper.new(document)
end
ensure
curl = %Q|curl -X GET "#{url}"|
logged(id, curl)
end
def update(type, id, payload={}, options={})
raise ArgumentError, "Please pass a document type" unless type
raise ArgumentError, "Please pass a document ID" unless id
raise ArgumentError, "Please pass a script in the payload hash" unless payload[:script]
type = Utils.escape(type)
url = "#{self.url}/#{type}/#{id}/_update"
url += "?#{options.to_param}" unless options.keys.empty?
@response = Configuration.client.post url, MultiJson.encode(payload)
MultiJson.decode(@response.body)
ensure
curl = %Q|curl -X POST "#{url}" -d '#{MultiJson.encode(payload)}'|
logged(id, curl)
end
def refresh
@response = Configuration.client.post "#{url}/_refresh", ''
ensure
curl = %Q|curl -X POST "#{url}/_refresh"|
logged('_refresh', curl)
end
def open(options={})
# TODO: Remove the duplication in the execute > rescue > ensure chain
@response = Configuration.client.post "#{url}/_open", MultiJson.encode(options)
MultiJson.decode(@response.body)['ok']
ensure
curl = %Q|curl -X POST "#{url}/_open"|
logged('_open', curl)
end
def close(options={})
@response = Configuration.client.post "#{url}/_close", MultiJson.encode(options)
MultiJson.decode(@response.body)['ok']
ensure
curl = %Q|curl -X POST "#{url}/_close"|
logged('_close', curl)
end
def analyze(text, options={})
options = {:pretty => true}.update(options)
params = options.to_param
@response = Configuration.client.get "#{url}/_analyze?#{params}", text
@response.success? ? MultiJson.decode(@response.body) : false
ensure
curl = %Q|curl -X GET "#{url}/_analyze?#{params}" -d '#{text}'|
logged('_analyze', curl)
end
def register_percolator_query(name, options={}, &block)
options[:query] = Search::Query.new(&block).to_hash if block_given?
@response = Configuration.client.put "#{Configuration.url}/_percolator/#{@name}/#{name}", MultiJson.encode(options)
MultiJson.decode(@response.body)['ok']
ensure
curl = %Q|curl -X PUT "#{Configuration.url}/_percolator/#{@name}/#{name}?pretty=1" -d '#{MultiJson.encode(options)}'|
logged('_percolator', curl)
end
def unregister_percolator_query(name)
@response = Configuration.client.delete "#{Configuration.url}/_percolator/#{@name}/#{name}"
MultiJson.decode(@response.body)['ok']
ensure
curl = %Q|curl -X DELETE "#{Configuration.url}/_percolator/#{@name}"|
logged('_percolator', curl)
end
def percolate(*args, &block)
document = args.shift
type = get_type_from_document(document)
document = MultiJson.decode convert_document_to_json(document)
query = Search::Query.new(&block).to_hash if block_given?
payload = { :doc => document }
payload.update( :query => query ) if query
@response = Configuration.client.get "#{url}/#{type}/_percolate", MultiJson.encode(payload)
MultiJson.decode(@response.body)['matches']
ensure
curl = %Q|curl -X GET "#{url}/#{type}/_percolate?pretty=1" -d '#{payload.to_json}'|
logged('_percolate', curl)
end
def logged(endpoint='/', curl='')
if Configuration.logger
error = $!
Configuration.logger.log_request endpoint, @name, curl
code = @response ? @response.code : error.class rescue 'N/A'
if Configuration.logger.level.to_s == 'debug'
body = if @response
defined?(Yajl) ? Yajl::Encoder.encode(@response.body, :pretty => true) : MultiJson.encode(@response.body)
else
error.message rescue ''
end
else
body = ''
end
Configuration.logger.log_response code, nil, body
end
end
def get_type_from_document(document, options={})
options = {:escape => true}.merge(options)
old_verbose, $VERBOSE = $VERBOSE, nil # Silence Object#type deprecation warnings
type = case
when document.respond_to?(:document_type)
document.document_type
when document.is_a?(Hash)
document[:_type] || document['_type'] || document[:type] || document['type']
when document.respond_to?(:_type)
document._type
when document.respond_to?(:type) && document.type != document.class
document.type
end
$VERBOSE = old_verbose
type ||= 'document'
options[:escape] ? Utils.escape(type) : type
end
def get_id_from_document(document)
old_verbose, $VERBOSE = $VERBOSE, nil # Silence Object#id deprecation warnings
id = case
when document.is_a?(Hash)
document[:_id] || document['_id'] || document[:id] || document['id']
when document.respond_to?(:id) && document.id != document.object_id
document.id
end
$VERBOSE = old_verbose
id
end
def convert_document_to_json(document)
document = case
when document.is_a?(String)
Tire.warn "Passing the document as JSON string in Index#store has been deprecated, " +
"please pass an object which responds to `to_indexed_json` or a plain Hash."
document
when document.respond_to?(:to_indexed_json) then document.to_indexed_json
else raise ArgumentError, "Please pass a JSON string or object with a 'to_indexed_json' method," +
"'#{document.class}' given."
end
end
end
end