Class: Eye::Checker::Http

Inherits:
Defer show all
Defined in:
lib/eye/checker/http.rb

Constant Summary

Constants inherited from Eye::Checker

TYPES

Instance Attribute Summary collapse

Attributes inherited from Eye::Checker

#check_count, #options, #pid, #process, #type, #value, #values

Instance Method Summary collapse

Methods inherited from Defer

#get_value_safe

Methods inherited from Eye::Checker

#check, #check_name, create, #defer, #fire, get_class, #get_value_safe, #inspect, #last_human_values, #logger_sub_tag, #logger_tag, #max_tries, #min_tries, name_and_class, #previous_value, register, requires, #run_in_process_context, validate!

Methods included from Dsl::Validation

included

Constructor Details

#initialize(*args) ⇒ Http

Returns a new instance of Http.



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# File 'lib/eye/checker/http.rb', line 17

def initialize(*args)
  super

  @uri = URI.parse(url)
  @kind = case kind
            when Fixnum then Net::HTTPResponse::CODE_TO_OBJ[kind]
            when String, Symbol then Net.const_get("HTTP#{kind.to_s.camelize}") rescue Net::HTTPSuccess
          else
            Net::HTTPSuccess
          end
  @open_timeout = (open_timeout || 3).to_f
  @read_timeout = (read_timeout || timeout || 15).to_f
end

Instance Attribute Details

#uri ⇒ Object (readonly)

Returns the value of attribute uri.



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# File 'lib/eye/checker/http.rb', line 15

def uri
  @uri
end

Instance Method Details

#get_value ⇒ Object 



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# File 'lib/eye/checker/http.rb', line 31

def get_value
  res = session.start{ |http| http.get(@uri.request_uri) }
  {:result => res}

rescue Timeout::Error => ex
  debug { ex.inspect }

  if defined?(Net::OpenTimeout) # for ruby 2.0
    mes = ex.class.is_a?(Net::OpenTimeout) ? "OpenTimeout<#{@open_timeout}>" : "ReadTimeout<#{@read_timeout}>"
    {:exception => mes}
  else
    {:exception => "Timeout<#{@open_timeout},#{@read_timeout}>"}
  end

rescue => ex
  {:exception => "Error<#{ex.message}>"}
end

#good?(value) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/eye/checker/http.rb', line 49

def good?(value)
  return false unless value[:result]

  unless value[:result].kind_of?(@kind)
    return false
  end

  if pattern
    matched = if pattern.is_a?(Regexp)
      pattern === value[:result].body
    else
      value[:result].body.include?(pattern.to_s)
    end
    value[:notice] = "missing '#{pattern.to_s}'" unless matched
    matched
  else
    true
  end
end

#human_value(value) ⇒ Object 



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# File 'lib/eye/checker/http.rb', line 69

def human_value(value)
  if !value.is_a?(Hash)
    '-'
  elsif value[:exception]
    value[:exception]
  else
    body_size = value[:result].body.size / 1024
    msg = "#{value[:result].code}=#{body_size}Kb"
    msg += "<#{value[:notice]}>" if value[:notice]
    msg
  end
end