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|
# $Id$
require 'syslog'
module Puppet
#------------------------------------------------------------
# provide feedback of various types to the user
# modeled after syslog messages
# each level of message prints in a different color
class Log
PINK="[0;31m"
GREEN="[0;32m"
YELLOW="[0;33m"
SLATE="[0;34m"
ORANGE="[0;35m"
BLUE="[0;36m"
RESET="[0m"
@@messages = Array.new
@@levels = [:debug,:info,:notice,:warning,:err,:alert,:emerg,:crit]
@@loglevel = 2
@@logdest = :console
@@colors = {
:debug => SLATE,
:info => GREEN,
:notice => PINK,
:warning => ORANGE,
:err => YELLOW,
:alert => BLUE,
:emerg => RESET,
:crit => RESET
}
def Log.close
if defined? @@logfile
@@logfile.close
@@logfile = nil
end
if defined? @@syslog
@@syslog = nil
end
end
def Log.flush
if defined? @@logfile
@@logfile.flush
end
end
def Log.create(level,*ary)
msg = ary.join(" ")
if @@levels.index(level) >= @@loglevel
return Puppet::Log.new(
:level => level,
:source => "Puppet",
:message => msg
)
else
return nil
end
end
def Log.levels
return @@levels.dup
end
def Log.destination
return @@logdest
end
def Log.destination=(dest)
if dest == "syslog" or dest == :syslog
unless defined? @@syslog
@@syslog = Syslog.open("puppet")
end
@@logdest = :syslog
elsif dest =~ /^\//
if defined? @@logfile and @@logfile
@@logfile.close
end
@@logpath = dest
# first make sure the directory exists
unless FileTest.exist?(File.dirname(dest))
begin
Puppet.recmkdir(File.dirname(dest))
Puppet.info "Creating log directory %s" %
File.dirname(dest)
rescue => detail
Log.destination = :console
Puppet.err "Could not create log directory: %s" %
detail
return
end
end
Puppet[:logfile] = dest
begin
# create the log file, if it doesn't already exist
@@logfile = File.open(dest,File::WRONLY|File::CREAT|File::APPEND)
rescue => detail
Log.destination = :console
Puppet.err "Could not create log file: %s" %
detail
return
end
@@logdest = :file
else
unless @@logdest == :console or @@logdest == "console"
Puppet.notice "Invalid log setting %s; setting log destination to 'console'" % @@logdest
end
@@logdest = :console
end
end
def Log.level
return @@levels[@@loglevel]
end
def Log.level=(level)
unless level.is_a?(Symbol)
level = level.intern
end
unless @@levels.include?(level)
raise Puppet::DevError, "Invalid loglevel %s" % level
end
@@loglevel = @@levels.index(level)
end
def Log.newmessage(msg)
case @@logdest
when :syslog:
if msg.source == "Puppet"
@@syslog.send(msg.level,msg.to_s)
else
@@syslog.send(msg.level,"(%s) %s" % [msg.source,msg.to_s])
end
when :file:
unless defined? @@logfile
raise Puppet::DevError,
"Log file must be defined before we can log to it"
end
@@logfile.puts("%s %s (%s): %s" %
[msg.time,msg.source,msg.level,msg.to_s])
else
if msg.source == "Puppet"
puts @@colors[msg.level] + "%s: %s" % [
msg.level, msg.to_s
] + RESET
else
puts @@colors[msg.level] + "%s (%s): %s" % [
msg.source, msg.level, msg.to_s
] + RESET
end
end
end
def Log.reopen
if @@logfile
Log.destination = @@logpath
end
end
attr_accessor :level, :message, :source, :time
def initialize(args)
unless args.include?(:level) && args.include?(:message) &&
args.include?(:source)
raise Puppet::DevError, "Puppet::Log called incorrectly"
end
if args[:level].class == String
@level = args[:level].intern
elsif args[:level].class == Symbol
@level = args[:level]
else
raise Puppet::DevError,
"Level is not a string or symbol: #{args[:level].class}"
end
@message = args[:message]
@source = args[:source] || "Puppet"
@time = Time.now
# this should include the host name, and probly lots of other
# stuff, at some point
unless @@levels.include?(level)
raise Puppet::DevError, "Invalid message level #{level}"
end
Log.newmessage(self)
@@messages.push(self)
end
def to_s
# this probably won't stay, but until this leaves the console,
# i'm going to use coloring...
#return "#{@time} #{@source} (#{@level}): #{@message}"
#return @@colors[@level] + "%s %s (%s): %s" % [
# @time, @source, @level, @message
#] + RESET
return @message
#return @@colors[@level] + "%s (%s): %s" % [
# @source, @level, @message
#] + RESET
end
end
#------------------------------------------------------------
end
|
