Class: DynamoDB::Client
- Inherits:
-
Object
- Object
- DynamoDB::Client
- Defined in:
- lib/ddbcli/ddb-client.rb
Constant Summary collapse
- SERVICE_NAME =
'dynamodb'
- API_VERSION =
'2012-08-10'
- USER_AGENT =
"ddbcli/#{DynamoDB::VERSION}"
- DEFAULT_TIMEOUT =
60
Instance Attribute Summary collapse
-
#debug ⇒ Object
Returns the value of attribute debug.
-
#region ⇒ Object
readonly
Returns the value of attribute region.
-
#retry_intvl ⇒ Object
Returns the value of attribute retry_intvl.
-
#retry_num ⇒ Object
Returns the value of attribute retry_num.
-
#timeout ⇒ Object
Returns the value of attribute timeout.
Instance Method Summary collapse
-
#initialize(accessKeyId, secretAccessKey, endpoint_or_region) ⇒ Client
constructor
A new instance of Client.
- #query(action, hash) ⇒ Object
- #query0(action, hash) ⇒ Object
- #set_endpoint_and_region(endpoint_or_region) ⇒ Object
Constructor Details
#initialize(accessKeyId, secretAccessKey, endpoint_or_region) ⇒ Client
Returns a new instance of Client.
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# File 'lib/ddbcli/ddb-client.rb', line 28 def initialize(accessKeyId, secretAccessKey, endpoint_or_region) @accessKeyId = accessKeyId @secretAccessKey = secretAccessKey set_endpoint_and_region(endpoint_or_region) @timeout = DEFAULT_TIMEOUT @debug = false @retry_num = 3 @retry_intvl = 10 end |
Instance Attribute Details
#debug ⇒ Object
Returns the value of attribute debug.
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# File 'lib/ddbcli/ddb-client.rb', line 26 def debug @debug end |
#region ⇒ Object (readonly)
Returns the value of attribute region.
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# File 'lib/ddbcli/ddb-client.rb', line 22 def region @region end |
#retry_intvl ⇒ Object
Returns the value of attribute retry_intvl.
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# File 'lib/ddbcli/ddb-client.rb', line 25 def retry_intvl @retry_intvl end |
#retry_num ⇒ Object
Returns the value of attribute retry_num.
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# File 'lib/ddbcli/ddb-client.rb', line 24 def retry_num @retry_num end |
#timeout ⇒ Object
Returns the value of attribute timeout.
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# File 'lib/ddbcli/ddb-client.rb', line 23 def timeout @timeout end |
Instance Method Details
#query(action, hash) ⇒ Object
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# File 'lib/ddbcli/ddb-client.rb', line 57 def query(action, hash) retry_query do query0(action, hash) end end |
#query0(action, hash) ⇒ Object
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# File 'lib/ddbcli/ddb-client.rb', line 63 def query0(action, hash) if @debug $stderr.puts(<<EOS) ---request begin--- Action: #{action} #{JSON.pretty_generate(hash)} ---request end--- EOS end req_body = JSON.dump(hash) date = Time.now.getutc headers = { 'Content-Type' => 'application/x-amz-json-1.0', 'X-Amz-Target' => "DynamoDB_#{API_VERSION.gsub('-', '')}.#{action}", 'Content-Length' => req_body.length.to_s, 'User-Agent' => USER_AGENT, 'Host' => @endpoint.host, 'X-Amz-Date' => iso8601(date), 'X-Amz-Content-Sha256' => hexhash(req_body), 'Accept' => '*/*', 'Accept-Encoding' => 'gzip', } headers['Authorization'] = (date, headers, req_body) Net::HTTP.version_1_2 http = Net::HTTP.new(@endpoint.host, @endpoint.port) if @endpoint.scheme == 'https' http.use_ssl = true http.verify_mode = OpenSSL::SSL::VERIFY_NONE end http.open_timeout = @timeout http.read_timeout = @timeout res_code = nil res_msg = nil res_body = http.start do |w| req = Net::HTTP::Post.new('/', headers) req.body = req_body res = w.request(req) res_code = res.code.to_i res_msg = res. if res['Content-Encoding'] == 'gzip' StringIO.open(res.body, 'rb') do |f| Zlib::GzipReader.wrap(f).read end else res.body end end res_data = JSON.parse(res_body) if @debug $stderr.puts(<<EOS) ---response begin--- #{JSON.pretty_generate(res_data)} ---response end--- EOS end __type = res_data['__type'] if res_code != 200 or __type errmsg = if __type if @debug "#{__type}: #{res_data['message'] || res_data['Message']}" else "#{res_data['message'] || res_data['Message']}" end else "#{res_code} #{res_msg}" end raise DynamoDB::Error.new(errmsg, res_data) end res_data end |
#set_endpoint_and_region(endpoint_or_region) ⇒ Object
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# File 'lib/ddbcli/ddb-client.rb', line 38 def set_endpoint_and_region(endpoint_or_region) if endpoint_or_region.kind_of?(URI) @endpoint = endpoint_or_region aws_endpoint, region = DynamoDB::Endpoint::ENDPOINTS.find do |k, v| @endpoint.host[k] end if region @region = region else @region = [@endpoint.host, @endpoint.port].join(':') end else host, @region = DynamoDB::Endpoint.endpoint_and_region(endpoint_or_region) @endpoint = URI.parse("https://#{host}") end end |