Class: LogStash::Outputs::ElasticSearch::HttpClient::ManticoreAdapter

Inherits:
Object
  • Object
show all
Defined in:
lib/logstash/outputs/elasticsearch/http_client/manticore_adapter.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(logger, options = {}) ⇒ ManticoreAdapter

Returns a new instance of ManticoreAdapter.



10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
 
# File 'lib/logstash/outputs/elasticsearch/http_client/manticore_adapter.rb', line 10

def initialize(logger, options={})
  @logger = logger
  options = options.clone || {}
  options[:ssl] = options[:ssl] || {}

  # We manage our own retries directly, so let's disable them here
  options[:automatic_retries] = 0
  # We definitely don't need cookies
  options[:cookies] = false

  @client_params = {:headers => DEFAULT_HEADERS.merge(options[:headers] || {})}
  
  if options[:proxy]
    options[:proxy] = manticore_proxy_hash(options[:proxy])
  end
  
  @manticore = ::Manticore::Client.new(options)
end

Instance Attribute Details

#logger ⇒ Object (readonly)

Returns the value of attribute logger.



8
9
10
 
# File 'lib/logstash/outputs/elasticsearch/http_client/manticore_adapter.rb', line 8

def logger
  @logger
end

#manticore ⇒ Object (readonly)

Returns the value of attribute manticore.



8
9
10
 
# File 'lib/logstash/outputs/elasticsearch/http_client/manticore_adapter.rb', line 8

def manticore
  @manticore
end

Instance Method Details

#client ⇒ Object 



40
41
42
 
# File 'lib/logstash/outputs/elasticsearch/http_client/manticore_adapter.rb', line 40

def client
  @manticore
end

#close ⇒ Object 



112
113
114
 
# File 'lib/logstash/outputs/elasticsearch/http_client/manticore_adapter.rb', line 112

def close
  @manticore.close
end

#format_url(url, path_and_query = nil) ⇒ Object 



86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
 
# File 'lib/logstash/outputs/elasticsearch/http_client/manticore_adapter.rb', line 86

def format_url(url, path_and_query=nil)
  request_uri = url.clone
  
  # We excise auth info from the URL in case manticore itself tries to stick
  # sensitive data in a thrown exception or log data
  request_uri.user = nil
  request_uri.password = nil

  return request_uri.to_s if path_and_query.nil?
  
  parsed_path_and_query = java.net.URI.new(path_and_query)
  
  query = request_uri.query
  parsed_query = parsed_path_and_query.query
  
  new_query_parts = [request_uri.query, parsed_path_and_query.query].select do |part|
    part && !part.empty? # Skip empty nil and ""
  end
  
  request_uri.query = new_query_parts.join("&") unless new_query_parts.empty?
  
  request_uri.path = "#{request_uri.path}/#{parsed_path_and_query.path}".gsub(/\/{2,}/, "/")
    
  request_uri
end

#host_unreachable_exceptions ⇒ Object 



116
117
118
 
# File 'lib/logstash/outputs/elasticsearch/http_client/manticore_adapter.rb', line 116

def host_unreachable_exceptions
  [::Manticore::Timeout,::Manticore::SocketException, ::Manticore::ClientProtocolException, ::Manticore::ResolutionFailure, Manticore::SocketTimeout]
end

#manticore_proxy_hash(proxy_uri) ⇒ Object

Transform the proxy option to a hash. Manticore’s support for non-hash proxy options is broken. This was fixed in github.com/cheald/manticore/commit/34a00cee57a56148629ed0a47c329181e7319af5 but this is not yet released



32
33
34
35
36
37
38
 
# File 'lib/logstash/outputs/elasticsearch/http_client/manticore_adapter.rb', line 32

def manticore_proxy_hash(proxy_uri)
  [:scheme, :port, :user, :password, :path].reduce(:host => proxy_uri.host) do |acc,opt|
    value = proxy_uri.send(opt)
    acc[opt] = value unless value.nil? || (value.is_a?(String) && value.empty?)
    acc
  end
end

#perform_request(url, method, path, params = {}, body = nil) ⇒ Response

Performs the request by invoking Transport::Base#perform_request with a block.

Returns:

  • (Response)

See Also:

  • Transport::Base#perform_request


49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
 
# File 'lib/logstash/outputs/elasticsearch/http_client/manticore_adapter.rb', line 49

def perform_request(url, method, path, params={}, body=nil)
  # Perform 2-level deep merge on the params, so if the passed params and client params will both have hashes stored on a key they
  # will be merged as well, instead of choosing just one of the values
  params = (params || {}).merge(@client_params) { |key, oldval, newval|
    (oldval.is_a?(Hash) && newval.is_a?(Hash)) ? oldval.merge(newval) : newval
  }
  params[:body] = body if body

  if url.user
    params[:auth] = { 
      :user => CGI.unescape(url.user),
      # We have to unescape the password here since manticore won't do it
      # for us unless its part of the URL
      :password => CGI.unescape(url.password), 
      :eager => true 
    }
  end

  request_uri = format_url(url, path)

  resp = @manticore.send(method.downcase, request_uri.to_s, params)

  # Manticore returns lazy responses by default
  # We want to block for our usage, this will wait for the repsonse
  # to finish
  resp.call

  # 404s are excluded because they are valid codes in the case of
  # template installation. We might need a better story around this later
  # but for our current purposes this is correct
  if resp.code < 200 || resp.code > 299 && resp.code != 404
    raise ::LogStash::Outputs::ElasticSearch::HttpClient::Pool::BadResponseCodeError.new(resp.code, request_uri, body, resp.body)
  end

  resp
end