Class: StackifyRubyAPM::Spies::CurbEasySpy Private

Inherits:
Object
  • Object
show all
Defined in:
lib/stackify_apm/spies/curb/easy.rb

This class is part of a private API. You should avoid using this class if possible, as it may be removed or be changed in the future.

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#_apm_http_verb ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/stackify_apm/spies/curb/easy.rb', line 10

def _apm_http_verb
  @_apm_http_verb
end

Instance Method Details

#install ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/stackify_apm/spies/curb/easy.rb', line 11

def install
  Curl::Easy.class_eval do
    singleton_class.send(:alias_method, :perform_without_apm, :perform)
    singleton_class.send(:alias_method, :http_head_without_apm, :http_head)
    singleton_class.send(:alias_method, :http_post_without_apm, :http_post)
    singleton_class.send(:alias_method, :http_put_without_apm, :http_put)
    singleton_class.send(:alias_method, :http_get_without_apm, :http_get)
    singleton_class.send(:alias_method, :http_delete_without_apm, :http_delete)
    def self.perform(*args, **kwargs)
      req = nil
      return perform_without_apm(*args, **kwargs) unless StackifyRubyAPM.current_transaction

      begin
        # Data configuration
        @_apm_http_verb ||= :GET
        method = @_apm_http_verb
        uri = args[0].strip
        name = "#{method} #{uri}"
        type = "ext.Curb.Easy.#{method}"

        # Builds span context
        #
        ctx = Span::Context.new(
          CATEGORY: 'Web External',
          SUBCATEGORY: 'Execute',
          URL: uri,
          STATUS: '',
          METHOD: method
        )
      rescue Exception => e
        StackifyRubyAPM.agent.error "[CurbEasySpy] Error: creating span context."
        StackifyRubyAPM.agent.error "[CurbEasySpy] #{e.inspect}"
        return perform_without_apm(*args, **kwargs)
      end

      # Creates new span from HTTP result
      StackifyRubyAPM.span name, type, context: ctx do
        # Submits HTTP request
        #
        res = perform_without_apm(*args, **kwargs)

        begin
          status_code = res.status.sub(/^0-9/, '').to_i
          ctx.update_status(status_code)

          if StackifyRubyAPM.agent.config.prefix_enabled
            ctx.update_request_body("")
            ctx.update_request_headers(res.headers || Hash.new)
            ctx.update_response_body(res.body || "")
            ctx.update_response_headers(res.proxy_headers || Hash.new)
          end
        rescue Exception => e
          StackifyRubyAPM.agent.error '[CurbEasySpy] Error: getting status code or updating request/response context.'
          StackifyRubyAPM.agent.error "[CurbEasySpy] #{e.inspect}"
        end
        res
      end
    end

    def self.http_post(*args, **kwargs)
      req = nil
      return http_post_without_apm(*args, **kwargs) unless StackifyRubyAPM.current_transaction

      begin
        # Data configuration
        #
        @_apm_http_verb = :POST
        method = @_apm_http_verb
        uri = args[0].strip
        name = "#{method} #{uri}"
        type = "ext.Curb.Easy.#{method}"

        ctx = Span::Context.new(
          CATEGORY: 'Web External',
          SUBCATEGORY: 'Execute',
          URL: uri,
          STATUS: '',
          METHOD: method
        )
      rescue Exception => e
        StackifyRubyAPM.agent.error "[CurbEasySpy] Error: creating span context."
        StackifyRubyAPM.agent.error "[CurbEasySpy] #{e.inspect}"
        return http_post_without_apm(*args, **kwargs)
      end

      # Creates new span from HTTP result
      StackifyRubyAPM.span name, type, context: ctx do
        res = http_post_without_apm(*args, **kwargs)

        begin
          status_code = res.status.sub(/^0-9/, '').to_i
          ctx.update_status(status_code)

          if StackifyRubyAPM.agent.config.prefix_enabled
            if args.length == 2
              request_body = args[1].to_s
            elsif args.length > 2
              request_body = {}
              contents = args[1..-1]
              contents.each do |data|
                request_body[data.name] = data.content
              end
              request_body = request_body.to_json
            else
              request_body = ""
            end

            ctx.update_request_body(request_body)
            ctx.update_request_headers(res.headers || Hash.new)
            ctx.update_response_body(res.body || "")
            ctx.update_response_headers(res.proxy_headers || Hash.new)
          end
        rescue Exception => e
          StackifyRubyAPM.agent.error '[CurbEasySpy] Error: getting status code or updating request/response context.'
          StackifyRubyAPM.agent.error "[CurbEasySpy] #{e.inspect}"
        end

        res
      end
    end

    def self.http_put(url, data)
      req = nil
      return http_put_without_apm(url, data) unless StackifyRubyAPM.current_transaction

      begin
        # Data configuration
        #
        @_apm_http_verb = :PUT
        method = @_apm_http_verb
        uri = url.strip
        name = "#{method} #{uri}"
        type = "ext.Curb.Easy.#{method}"

        ctx = Span::Context.new(
          CATEGORY: 'Web External',
          SUBCATEGORY: 'Execute',
          URL: uri,
          STATUS: '',
          METHOD: method
        )
      rescue Exception => e
        StackifyRubyAPM.agent.error "[CurbEasySpy] Error: creating span context."
        StackifyRubyAPM.agent.error "[CurbEasySpy] #{e.inspect}"
        return http_put_without_apm(url, data)
      end

      # Creates new span from HTTP result
      StackifyRubyAPM.span name, type, context: ctx do
        res = http_put_without_apm(url, data)

        begin
          status_code = res.status.sub(/^0-9/, '').to_i
          ctx.update_status(status_code)

          if StackifyRubyAPM.agent.config.prefix_enabled
            ctx.update_request_body(data)
            ctx.update_request_headers(res.headers || Hash.new)
            ctx.update_response_body(res.body || "")
            ctx.update_response_headers(res.proxy_headers || Hash.new)
          end
        rescue Exception => e
          StackifyRubyAPM.agent.error '[CurbEasySpy] Error: getting status code or updating request/response context.'
          StackifyRubyAPM.agent.error "[CurbEasySpy] #{e.inspect}"
        end

        res
      end
    end

    def self.http_get(*args, **kwargs)
      req = nil
      return http_get_without_apm(*args, **kwargs) unless StackifyRubyAPM.current_transaction

      begin
        # Data configuration
        #
        @_apm_http_verb = :GET
        method = @_apm_http_verb
        uri = args[0].strip
        name = "#{method} #{uri}"
        type = "ext.Curb.Easy.#{method}"

        ctx = Span::Context.new(
          CATEGORY: 'Web External',
          SUBCATEGORY: 'Execute',
          URL: uri,
          STATUS: '',
          METHOD: method
        )
      rescue Exception => e
        StackifyRubyAPM.agent.error "[CurbEasySpy] Error: creating span context."
        StackifyRubyAPM.agent.error "[CurbEasySpy] #{e.inspect}"
        return http_get_without_apm(*args, **kwargs)
      end

      # Creates new span from HTTP result
      StackifyRubyAPM.span name, type, context: ctx do
        res = http_get_without_apm(*args, **kwargs)

        begin
          status_code = res.status.sub(/^0-9/, '').to_i
          ctx.update_status(status_code)

          if StackifyRubyAPM.agent.config.prefix_enabled
            ctx.update_request_body("")
            ctx.update_request_headers(res.headers || Hash.new)
            ctx.update_response_body(res.body || "")
            ctx.update_response_headers(res.proxy_headers || Hash.new)
          end
        rescue Exception => e
          StackifyRubyAPM.agent.error '[CurbEasySpy] Error: getting status code or updating request/response context.'
          StackifyRubyAPM.agent.error "[CurbEasySpy] #{e.inspect}"
        end

        res
      end
    end

    def self.http_delete(*args, **kwargs)
      req = nil
      return http_delete_without_apm(*args, **kwargs) unless StackifyRubyAPM.current_transaction

      begin
        # Data configuration
        #
        @_apm_http_verb = :DELETE
        method = @_apm_http_verb
        uri = args[0].strip
        name = "#{method} #{uri}"
        type = "ext.Curb.Easy.#{method}"

        ctx = Span::Context.new(
          CATEGORY: 'Web External',
          SUBCATEGORY: 'Execute',
          URL: uri,
          STATUS: '',
          METHOD: method
        )
      rescue Exception => e
        StackifyRubyAPM.agent.error "[CurbEasySpy] Error: creating span context."
        StackifyRubyAPM.agent.error "[CurbEasySpy] #{e.inspect}"
        return http_delete_without_apm(*args, **kwargs)
      end

      # Creates new span from HTTP result
      StackifyRubyAPM.span name, type, context: ctx do
        res = http_delete_without_apm(*args, **kwargs)

        begin
          status_code = res.status.sub(/^0-9/, '').to_i
          ctx.update_status(status_code)

          if StackifyRubyAPM.agent.config.prefix_enabled
            ctx.update_request_body("")
            ctx.update_request_headers(res.headers || Hash.new)
            ctx.update_response_body(res.body || "")
            ctx.update_response_headers(res.proxy_headers || Hash.new)
          end
        rescue Exception => e
          StackifyRubyAPM.agent.error '[CurbEasySpy] Error: getting status code or updating request/response context.'
          StackifyRubyAPM.agent.error "[CurbEasySpy] #{e.inspect}"
        end

        res
      end
    end
  end
end