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Logging for MADs. Closes ticket #5
git-svn-id: http://svn.opennebula.org/trunk@56 3034c82b-c49b-4eb3-8279-a7acafdc01c0
This commit is contained in:
Constantino Vázquez Blanco
parent
89500288b2
commit
e3bdd5c9b9
@ -28,7 +28,9 @@
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# This file MUST preserve SH syntax
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#-------------------------------------------------------------------------------
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# MADs will generate cores and logs if defined
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# Debug for MADs.
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# If set, MADs will generate cores and logs in $ONE_LOCATION/var.
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# Possible values are [0=ERROR, 1=DEBUG]
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ONE_MAD_DEBUG=
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# Nice Priority to run the drivers
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@ -35,36 +35,17 @@ function export_rc_vars
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fi
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}
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function log_with_date
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{
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PID=$$
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LOG_FILE=$1
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shift
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mkfifo /tmp/one_fifo.$PID.err /tmp/one_fifo.$PID.out
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# This line creates an empty log file
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echo -n "" > $LOG_FILE
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# Write out fifo to STDOUT
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cat /tmp/one_fifo.$PID.out &
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while read line < /tmp/one_fifo.$PID.err
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do
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echo `date +"%D %T"`: $line >> $LOG_FILE
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done &
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$* 2>/tmp/one_fifo.$PID.err 1>/tmp/one_fifo.$PID.out
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rm /tmp/one_fifo.$PID.out /tmp/one_fifo.$PID.err
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}
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function execute_mad
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{
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MAD_FILE=`basename $0`
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if [ -z "$LOG_FILE" ]; then
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LOG_FILE=$MAD_FILE
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fi
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if [ -n "${ONE_MAD_DEBUG}" ]; then
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log_with_date var/$MAD_FILE.log nice -n $PRIORITY bin/$MAD_FILE.rb $*
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exec nice -n $PRIORITY bin/$MAD_FILE.rb $* 2> var/$LOG_FILE.log
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else
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exec nice -n $PRIORITY bin/$MAD_FILE.rb $* 2> /dev/null
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fi
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@ -14,8 +14,11 @@ DRIVER_NAME=`basename $1 | cut -d. -f1`
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export_rc_vars $ONE_LOCATION/etc/${DRIVER_NAME}/${DRIVER_NAME}rc
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# Go to ONE_LOCATION
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cd $ONE_LOCATION
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LOG_FILE=$DRIVER_NAME
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# Execute the actual MAD
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execute_mad $*
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@ -18,6 +18,14 @@ require 'fileutils'
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require 'thread'
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require 'one_ssh'
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DEBUG_LEVEL=ENV["ONE_MAD_DEBUG"]
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##
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# Debug constants
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##
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ERROR, DEBUG=[0,1]
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####################
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# SENSOR DEFINTION #
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@ -199,9 +207,10 @@ class IM < ONEMad
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def initialize(sensors=nil)
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super(3, 4)
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#log_file=File.open("im.log", "w")
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#set_logger(log_file)
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if DEBUG_LEVEL and !DEBUG_LEVEL.empty?
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set_logger(STDERR,DEBUG_LEVEL)
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end
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if sensors
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@sensors=sensors
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else
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@ -220,8 +229,10 @@ class IM < ONEMad
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if done.length>0
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done.each{|a|
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STDOUT.puts a.get_result
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tmp_result = a.get_result
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STDOUT.puts tmp_result
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STDOUT.flush
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log(tmp_result,DEBUG)
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}
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@action_mutex.lock
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@ -236,6 +247,7 @@ class IM < ONEMad
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def action_init(args)
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STDOUT.puts "INIT SUCCESS"
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STDOUT.flush
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log("INIT SUCCESS",DEBUG)
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end
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def action_monitor(args)
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@ -2,6 +2,8 @@
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ONE_LOCATION=ENV["ONE_LOCATION"]
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DEBUG_LEVEL=ENV["ONE_MAD_DEBUG"]
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if !ONE_LOCATION
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puts "ONE_LOCATION not set"
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exit -1
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@ -17,13 +19,24 @@ require 'open3'
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class DM < ONEMad
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###########################
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# Constructor #
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###########################
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def initialize
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super(5, 4)
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if DEBUG_LEVEL and !DEBUG_LEVEL.empty?
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set_logger(STDERR,DEBUG_LEVEL)
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end
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end
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###########################
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# Actions #
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###########################
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def action_init(args)
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send_message("INIT", "SUCCESS")
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log("KVM Access Driver initialized.")
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end
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def action_deploy(args)
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@ -39,7 +52,7 @@ class DM < ONEMad
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end
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def action_checkpoint(args)
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send_message("CHECKPOINT", "FAILURE", args[1], "action not supported for KVM")
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send_message("CHECKPOINT", "FAILURE", args[1], "action not supported for KVM")
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end
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def action_save(args)
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@ -62,6 +75,10 @@ class DM < ONEMad
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stdout=std[1].read
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stderr=std[2].read
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if !stderr.empty?
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log(stderr,ONEMad::ERROR)
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end
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exit_code=get_exit_code(stderr)
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if exit_code!=0
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@ -74,9 +91,6 @@ class DM < ONEMad
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return nil
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end
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log("STDOUT:"+stdout)
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log("STDERR:"+stderr)
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info = parse_virsh_dominfo(stdout)
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# TODO -> Get more info, like NET info. Need to know the iface name (e.g. tap0)
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@ -93,9 +107,10 @@ class DM < ONEMad
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stdout=std[1].read
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stderr=std[2].read
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log("STDOUT:"+stdout)
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log("STDERR:"+stderr)
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if !stderr.empty?
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log(stderr,ONEMad::ERROR)
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end
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write_response(name, stdout, stderr, args)
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end
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@ -120,7 +135,7 @@ class DM < ONEMad
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#########################################
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# Get information from virsh #
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# Parsers for virsh output #
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#########################################
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# From STDERR if exit code == 1
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@ -31,8 +31,15 @@
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# send_message("INIT", "SUCCESS")
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# end
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class ONEMad
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##
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# Debug constants
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##
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ERROR, DEBUG=[0,1]
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# * +num_params_in+: number of parameters that mensages will have
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# * +num_params_out+: number of parameters that mensages sent back
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# will have
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@ -43,17 +50,31 @@ class ONEMad
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else
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@num_params_out=num_params_out
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end
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#@logger=STDERR
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@debug_level = -1
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end
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# Sends a message to the logger
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def log(str)
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#@logger.puts(str)
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#@logger.flush
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def log(str, level)
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if level == ERROR
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str = "------- ERROR ---------------\n" +
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str +
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"\n-----------------------------"
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end
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if @debug_level != -1 and level <= @debug_level
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str.split("\n").each{|line|
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@logger.puts(Time.now.ctime + ": " + line.strip)
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@logger.flush
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}
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end
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end
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# Sets the logger file, this can be an open file
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def set_logger(logger)
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def set_logger(logger, level)
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@debug_level = level.to_i
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@logger=logger
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end
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@ -67,6 +88,8 @@ class ONEMad
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line=str.split(/\s+/)
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log(str,DEBUG)
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args=Array.new
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args+=line[0..(@num_params-2)]
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args<<line[(@num_params-1)..-1].join(' ') if line.length>=@num_params
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@ -84,7 +107,8 @@ class ONEMad
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end
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STDOUT.puts to_send.join(' ')
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STDOUT.flush
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#log to_send.join(' ')
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log(to_send.join(' '),DEBUG)
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end
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# Proceses each message received, called by +loop+.
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@ -5,6 +5,8 @@ XM_PATH=ENV["XM_PATH"]
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ONE_LOCATION=ENV["ONE_LOCATION"]
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DEBUG_LEVEL=ENV["ONE_MAD_DEBUG"]
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if !ONE_LOCATION
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puts "ONE_LOCATION not set"
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exit -1
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@ -24,9 +26,9 @@ class DM < ONEMad
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def initialize
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super(5, 4)
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#Set log file
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#log_file=File.open("dm.log", "w")
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#set_logger(log_file)
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if DEBUG_LEVEL and !DEBUG_LEVEL.empty?
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set_logger(STDERR,DEBUG_LEVEL)
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end
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init_actions
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end
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@ -71,8 +73,8 @@ class DM < ONEMad
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# Add sched-cred command if credits are defined
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if(credits)
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cmd_str+=" \\&\\& sudo #{XM_PATH} sched-cred -d #{vm_name} -w #{credits}"
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STDERR.puts "Setting credits for the VM"
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STDERR.puts "Command: #{cmd_str}"
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log("Setting credits for the VM",ONEMad::DEBUG)
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log("Command: #{cmd_str}",ONEMad::DEBUG)
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end
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cmd=SSHCommand.new(cmd_str)
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@ -108,11 +110,7 @@ class DM < ONEMad
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std_action("MIGRATE", "migrate -l #{args[3]} #{args[4]}", args)
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end
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def action_poll(args)
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#std=Open3.popen3(
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# "ssh -n #{args[2]} sudo #{XENTOP_PATH} -bi2 ;"+
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# " echo ExitCode: $? 1>&2")
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def action_poll(args)
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action_number=args[1]
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action_host=args[2]
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@ -121,6 +119,10 @@ class DM < ONEMad
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stdout=a.stdout
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stderr=a.stderr
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if !stderr.empty?
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log(stderr,ONEMad::ERROR)
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end
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exit_code=get_exit_code(stderr)
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@ -128,11 +130,6 @@ class DM < ONEMad
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send_message("POLL", "FAILURE", args[1])
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return nil
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end
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#log("stdout:")
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#log(stdout)
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#log("stderr:")
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#log(stderr)
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values=parse_xentop(args[3], stdout)
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@ -168,16 +165,14 @@ class DM < ONEMad
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action=SSHAction.new(action_number, action_host, cmd)
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send_ssh_action(action_number, action_host, action)
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end
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def exec_xm_command(host, command)
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Open3.popen3(
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"ssh -n #{host} sudo /usr/sbin/xm #{command} ;"+
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" echo ExitCode: $? 1>&2")
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end
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def write_response(action, stdout, stderr, args)
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exit_code=get_exit_code(stderr)
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if !stderr.empty?
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log(stderr,ONEMad::ERROR)
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end
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if exit_code==0
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domain_name=get_domain_name(stdout)
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send_message(action, "SUCCESS", args[1], domain_name)
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@ -186,10 +181,7 @@ class DM < ONEMad
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send_message(action, "FAILURE", args[1], error_message)
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end
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#log("stdout:")
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#log(stdout)
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#log("stderr:")
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#log(stderr)
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end
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