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 Method Summary collapse

Constructor Details

#initialize ⇒ SyslogLikeFormatter

Returns a new instance of SyslogLikeFormatter.



5
6
7
8
9
 
# File 'lib/logjam_agent/syslog_like_formatter.rb', line 5

def initialize
  @hostname = LogjamAgent.hostname
  @app_name = "rails"
  @newline = ActiveSupport::VERSION::STRING < "4.0" ? "" : "\n"
end

Instance Method Details

#attributes ⇒ Object 



15
16
17
18
19
20
 
# File 'lib/logjam_agent/syslog_like_formatter.rb', line 15

def attributes
  unless attributes = Thread.current.thread_variable_get(:__logjam_formatter_attributes__)
    attributes = Thread.current.thread_variable_set(:__logjam_formatter_attributes__, [])
  end
  attributes
end

#attributes=(attributes) ⇒ Object 



11
12
13
 
# File 'lib/logjam_agent/syslog_like_formatter.rb', line 11

def attributes=(attributes)
  Thread.current.thread_variable_set(:__logjam_formatter_attributes__, attributes)
end

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



40
41
42
 
# File 'lib/logjam_agent/syslog_like_formatter.rb', line 40

def call(severity, timestamp, progname, msg)
  "#{format_severity(severity)} #{format_time(timestamp)}#{render_attributes}#{format_host_info(progname)}: #{format_message(msg)}#{@newline}"
end

#format_host_info(progname) ⇒ Object 



45
 
# File 'lib/logjam_agent/syslog_like_formatter.rb', line 45

def format_host_info(progname); ""; end

#format_message(msg) ⇒ Object 



36
37
38
 
# File 'lib/logjam_agent/syslog_like_formatter.rb', line 36

def format_message(msg)
  msg.strip
end

#format_severity(severity) ⇒ Object 



24
25
26
27
28
29
30
 
# File 'lib/logjam_agent/syslog_like_formatter.rb', line 24

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

#format_time(timestamp) ⇒ Object 



32
33
34
 
# File 'lib/logjam_agent/syslog_like_formatter.rb', line 32

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

#render_attributes ⇒ Object 



52
53
54
 
# File 'lib/logjam_agent/syslog_like_formatter.rb', line 52

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

#reset_attributes ⇒ Object 



64
65
66
 
# File 'lib/logjam_agent/syslog_like_formatter.rb', line 64

def reset_attributes
  self.attributes = []
end

#set_attribute(name, value) ⇒ Object 



56
57
58
59
60
61
62
 
# File 'lib/logjam_agent/syslog_like_formatter.rb', line 56

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