Error in eulalie contains a little much.

printed-error.edn

{:response {:headers {:content-type "application/json",
                      :date "Thu, 04 Aug 2016 08:28:17 GMT",
                      :x-amzn-errortype "ValidationException",
                      :x-amzn-requestid "64b16f71-5a1d-11e6-8833-23d2071f4882",
                      :content-length "237",
                      :connection "Close"},
            :status 400,
            :body "{\"message\":\"1 validation error detected: Value '23d2071f4882/bad-arn'
                   at 'role' failed to satisfy constraint: Member must satisfy regular expression pattern:
                   arn:aws:iam::\\\\d{12}:role/?[a-zA-Z_0-9+=,.@\\\\-_/]+\"}",
            :request {:service :lambda,
                      :creds {:access-key "...", :secret-key "..."},
                      :service-name "lambda",
                      :method :post,
                      :headers {:content-length 164},
                      :max-retries 3,
                      :target :create-function,
                      :body "{\"Role\":\"23d2071f4882/bad-arn\",
                              \"Runtime\":\"nodejs4.3\",
                              \"Code\":{\"ZipFile\":\"abcd\"},
                              \"Handler\":\"nodewheel.handler\",
                              \"FunctionName\":\"a-function\"}",
                      :endpoint #cemerick.url.URL{:protocol "https",
                                                  :username nil,
                                                  :password nil,
                                                  :host "lambda.us-east-1.amazonaws.com",
                                                  :port 443,
                                                  :path "/2015-03-31/functions",
                                                  :query nil,
                                                  :anchor nil}}},
 :request {:service :lambda,
           :date #object[Object 1470299295394],
           :creds {:access-key "...", :secret-key "..."},
           :service-name "lambda",
           :method :post,
           :headers {:content-length 164,
                     :x-amz-date "20160804T082815Z",
                     :host "lambda.us-east-1.amazonaws.com",
                     :authorization "...",
                     :x-amz-content-sha256 "..."},
           :max-retries 3,
           :target :create-function,
           :body "{\"Role\":\"23d2071f4882/bad-arn\",
                   \"Runtime\":\"nodejs4.3\",
                   \"Code\":{\"ZipFile\":\"abcd\"},
                   \"Handler\":\"nodewheel.handler\",
                   \"FunctionName\":\"a-function\"}",
           :endpoint #cemerick.url.URL{:protocol "https",
                                       :username nil,
                                       :password nil,
                                       :host "lambda.us-east-1.amazonaws.com",
                                       :port 443,
                                       :path "/2015-03-31/functions",
                                       :query nil,
                                       :anchor nil}},
 :retries 0,
 :error {:type :validation-exception,
         :message "1 validation error detected: Value '23d2071f4882/bad-arn'
                   at 'role' failed to satisfy constraint: Member must satisfy regular expression pattern:
                   arn:aws:iam::\\d{12}:role/?[a-zA-Z_0-9+=,.@\\-_/]+"}}