Class: LogjamAgent::SyslogLikeFormatter

Inherits:
Object
  • Object
show all
Defined in:
lib/logjam_agent/syslog_like_formatter.rb

Constant Summary collapse

SEV_LABEL = 
Logger::SEV_LABEL.map{|sev| "%-5s" % sev}

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ SyslogLikeFormatter

Returns a new instance of SyslogLikeFormatter.



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# File 'lib/logjam_agent/syslog_like_formatter.rb', line 5

def initialize
  @hostname = LogjamAgent.hostname
  @app_name = "rails"
  @attributes = []
end

Instance Attribute Details

#attributes ⇒ Object

Returns the value of attribute attributes.



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# File 'lib/logjam_agent/syslog_like_formatter.rb', line 11

def attributes
  @attributes
end

Instance Method Details

#call(severity, timestamp, progname, msg) ⇒ Object 



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# File 'lib/logjam_agent/syslog_like_formatter.rb', line 31

def call(severity, timestamp, progname, msg)
  "#{format_severity(severity)} #{format_time(timestamp)} #{@hostname} #{progname||@app_name}[#{$$}]#{render_attributes}: #{format_message(msg)}"
end

#format_message(msg) ⇒ Object 



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# File 'lib/logjam_agent/syslog_like_formatter.rb', line 27

def format_message(msg)
  msg.strip
end

#format_severity(severity) ⇒ Object 



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# File 'lib/logjam_agent/syslog_like_formatter.rb', line 15

def format_severity(severity)
  if severity.is_a?(String)
    "%-5s" % severity
  else
    SEV_LABEL[severity] || 'ALIEN'
  end
end

#format_time(timestamp) ⇒ Object 



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# File 'lib/logjam_agent/syslog_like_formatter.rb', line 23

def format_time(timestamp)
  timestamp.strftime("%b %d %H:%M:%S.#{"%06d" % timestamp.usec}")
end

#render_attributes ⇒ Object 



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# File 'lib/logjam_agent/syslog_like_formatter.rb', line 35

def render_attributes
  @attributes.map{|key, value| " #{key}[#{value}]"}.join
end

#set_attribute(name, value) ⇒ Object 



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# File 'lib/logjam_agent/syslog_like_formatter.rb', line 39

def set_attribute(name, value)
  if attribute = @attributes.detect{|n,v| n == name}
    attribute[1] = value
  else
    @attributes << [name, value]
  end
end