Browse Source

code moved to python

Nicolo' Palazzini 1 year ago
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      xfreerdpctl.py

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LICENSE

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+                    GNU GENERAL PUBLIC LICENSE
+                       Version 3, 29 June 2007
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+PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
+IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
+ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
+
+  16. Limitation of Liability.
+
+  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
+THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
+GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
+USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
+DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
+PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
+EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGES.
+
+  17. Interpretation of Sections 15 and 16.
+
+  If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+                     END OF TERMS AND CONDITIONS
+
+            How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    {one line to give the program's name and a brief idea of what it does.}
+    Copyright (C) {year}  {name of author}
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper mail.
+
+  If the program does terminal interaction, make it output a short
+notice like this when it starts in an interactive mode:
+
+    {project}  Copyright (C) {year}  {fullname}
+    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, your program's commands
+might be different; for a GUI interface, you would use an "about box".
+
+  You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU GPL, see
+<http://www.gnu.org/licenses/>.
+
+  The GNU General Public License does not permit incorporating your program
+into proprietary programs.  If your program is a subroutine library, you
+may consider it more useful to permit linking proprietary applications with
+the library.  If this is what you want to do, use the GNU Lesser General
+Public License instead of this License.  But first, please read
+<http://www.gnu.org/philosophy/why-not-lgpl.html>.

+ 15 - 0
README.md

@@ -0,0 +1,15 @@
+usage: xfreerdp {status,start,stop} [options]
+
+Simple tool to handle xfreerdp on LCM nodes.
+
+positional arguments:
+  {status,start,stop}  Specify command to execute, default is 'status'
+
+optional arguments:
+  -h, --help           show this help message and exit
+  -a, --all            All LCM nodes are considered
+  -n NODE [NODE ...]   Select one or more nodes (at least one)
+  -1, --lcm1           LCM1 nodes are considered
+  -2, --lcm2           LCM2 nodes are considered
+  -v, --version        Print program version
+

+ 0 - 2
conf

@@ -1,2 +0,0 @@
-LCM1=(abe crash duke glados lara link king pang pong snake sonic spyro yoshi)
-LCM2=(actarus elwood gex gin jake kirk martini picard q raziel sarek spock tron worf zombie)

+ 0 - 48
echoctl

@@ -1,48 +0,0 @@
-#!/bin/bash
-
-set -e
-set -u
-set -o pipefail
-
-command_parsed=0
-
-. functions
-. conf
-
-while getopts 'h12an:' OPTION; do
-  case "$OPTION" in
-	n)
-		node=$OPTARG
-		call_node node
-   	  	;;
-    	
-	1)
-		call_1
-		;;
-	2)
-		call_2
-		;;
-    a)
-		call_1
-		call_2
-		;;
-	h)
-		print_help      
-		;;
-    ?)
-		print_usage
-		exit 1
- 		command_parsed=1
-	    ;;
-    :)
-      	echo "cosa fa?"
-      	;;
-  esac
-done
-
-if [ $command_parsed -eq 0 ]
-then
-    print_usage
-fi
-
-#shift "$(($OPTIND -1))"

+ 0 - 95
functions

@@ -1,95 +0,0 @@
-print_usage(){
-	echo
-	echo "script usage: $(basename $0) [-s node] [-k node] [-m] [-h] " >&2
-	echo "type: '$(basename $0) -h' for help"
-}
-
-print_help(){
-	echo
-	echo "$(basename $0): a useless script"
-	echo
-	echo "options:"
-	echo "  -s <node>  Start the service on the specified node"
-	echo "  -k <node>  Kill the service on the specified node"
-	echo "  -m  Monitor function: display all the nodes on which the service is runnig"
-	echo "  -h  Print this help message"
-	command_parsed=1
-
-	return 0
-}
-
-start_node(){
-	
-	ssh $1 'sleep 300 &> /dev/null &' #da sostituire con il comando per xfreerdp
-	echo "Service started on $1"
-
-	#aggiungere la gestione di un nome errato
-		
-	command_parsed=1
-	return 0
-}
-
-start_1(){
-	for i in {0..12}
-		do
-  	 		start_node ${LCM1[i]}
-		done
-	return 0
-}
-
-start_2(){
-	for i in {0..14}
-		do
-			start_node ${LCM2[i]}
-		done
-	return 0	
-}
-
-monitor(){
-	#da migliorare: lentissima!
-	echo "Service running on:"
-	for i in {0..12}
-		do
-			#printf "${LCM1[i]}: "
- 	 		ssh ${LCM1[i]} 'ps aux | grep "sleep 300" | grep -v grep' > /dev/null
-			if [ $? -eq 0 ]; then
-				echo ${LCM1[i]}
-			fi
-		done
-	for i in {0..14}
-		do
-			ssh ${LCM2[i]} 'ps aux | grep "sleep 300" | grep -v grep' > /dev/null
-			if [ $? -eq 0 ]; then
-				echo ${LCM1[i]}
-			fi
-		done
-
-	command_parsed=1
-	return 0
-}
-
-kill_process(){
-	
-	ssh $1 'pkill sleep' #pericoloso (testato e funzionante con pkill xfreerdp)
-
-	#aggiungere la gestione di un nome errato
-
-	command_parsed=1
-	return 0
-}
-
-kill_1(){
-	for i in {0..12}
-		do
-			kill_process ${LCM1[i]}
-		done
-	return 0
-}
-
-kill_2(){
-	for i in {0..14}
-		do
-			kill_process ${LCM2[i]}
-		done
-	return 0
-}

+ 0 - 50
sleepctl

@@ -1,50 +0,0 @@
-#!/bin/bash
-
-#set -e #(errexit) esce quando un comando ritorna un valore diverso da zero (non va bene per come è implementata la funzione monitor)
-set -u #tratta le variabili non definite come errori
-set -o pipefail #ritorna zero se tutto è andato a buon fine (di default guarda solo l'ultimo comando)
-
-command_parsed=0
-
-. functions
-. conf
-
-while getopts 'hms:k:' OPTION; do
-  case "$OPTION" in
-	m) #funzione monitor
-		monitor
-		;;
-	s) #funzione start
-		node=$OPTARG
-		if [ $node == '1' ];then
-  			start_1
-		elif [ $node == '2' ];then
-			start_2
-		else
-  		 	start_node $node
-		fi
-		;;
-	k)  #funzione kill
-		node=$OPTARG
-		if [ $node == '1' ];then
-  			kill_1
-		elif [ $node == '2' ];then
-			kill_2
-		else
-  		 	kill_process $node
-		fi
-		;;
-	h)
-		print_help      
-		;;
-	?)
-		print_usage
-		exit 1
-	    ;;
-  esac
-done
-
-if [ $command_parsed -eq 0 ]
-then
-    print_usage
-fi

+ 182 - 0
xfreerdpctl.py

@@ -0,0 +1,182 @@
+#!/usr/bin/python
+
+##Forkato da labcalcoloctl di Elisa Aliverti
+##Autore: Nicolo' Palazzini
+##Ultima modifica: 20/04/2019
+
+from time import time
+start = time()
+import argparse
+#import textwrap
+import os
+import subprocess, sys
+from threading import Thread
+#from getpass import getpass
+
+choices = ('status','start','stop')
+parser = argparse.ArgumentParser(description='Simple tool to handle xfreerdp on LCM nodes.', usage='xfreerdp {'+','.join(choices)+'} [options]')
+
+## positional arguments
+parser.add_argument( 'cmd', nargs="?", choices=choices, default='status', help='Specify command to execute, default is \'status\'' )
+
+## optional arguments
+parser.add_argument( '-a', '--all', action='store_true', dest='lcm', help='All LCM nodes are considered' )
+parser.add_argument( '-n', nargs='+', dest='node', help='Select one or more nodes (at least one)' )
+parser.add_argument( '-1', '--lcm1', action='store_true', dest='lcm1', help='LCM1 nodes are considered' )
+parser.add_argument( '-2', '--lcm2', action='store_true', dest='lcm2', help='LCM2 nodes are considered' )
+parser.add_argument( '-v', '--version', action='version', version='%(prog)s 1.0 beta', help='Print program version' )
+
+args = parser.parse_args()
+
+def print_progressbar(index, num) :
+    sys.stdout.write('\r ['
+                        + '='*index
+                        + '>'*(1-int(index/num))
+                        + ' '*(num-index-1) + ']')
+    sys.stdout.flush()
+
+class Host(Thread):
+    # Constructor
+    def __init__(self, name, location):
+        # Fork the thread first thing
+        Thread.__init__(self)
+        # Variables initialization
+        self.hostname = name
+        self.location = location
+        self.running  = False
+        self.up       = False
+
+    # Run method called on Thread start. Check if host is up and if is running a VM
+    def run(self) :
+        if self.isup() :
+            self.up = True
+            self.running=self.status()
+
+    # Ping the host to see if it's up
+    def isup(self):
+        # Is the host up?
+        ping = os.popen("ping -w1 -c1 " + self.hostname, "r")
+        # print("pinging "  self.hostname)
+        if "0 received" in ping.read():
+            return False
+        else:
+            return True
+
+    def sshcommand(self, command):
+        if self.up:
+            ssh = subprocess.Popen( ["ssh", "%s" % self.hostname, command], shell = False, stdout = subprocess.PIPE, stderr = subprocess.PIPE )
+            return ssh
+        else:
+            print self.hostname + ' is not up.'
+            return False
+
+    def status(self):
+        statuscmd = "ps aux | grep 'sleep 300' | grep -v grep"
+        ssh = self.sshcommand(statuscmd)
+        result = [ l for l in ssh.stdout.readlines() if 'sleep 300' in l ]
+        if result == []:
+            return False
+        else:
+            return True
+
+    def xstart(self):
+        if self.up:
+            if not self.running:
+                startcmd = "sleep 300"  #'startx /usr/bin/xfreerdp /cert-ignore /f /v:tolab.fisica.unimi.it &> /dev/null &'
+                self.sshcommand(startcmd)
+                print 'xfreerdp started on ' + self.hostname
+            else:
+                print 'xfreerdp is already running on ' + self.hostname
+        else:
+            print self.hostname + ' is not up.'
+
+    def xstop(self):
+        if self.up:
+            if self.running:
+                stopcmd = "pkill sleep" #pericoloso (testato e funzionante con pkill xfreerdp)
+                self.sshcommand(stopcmd)
+                print 'xfreerdp stopped on ' + self.hostname
+            else:
+                print 'xfreerdp is not running on ' + self.hostname
+        else:
+            print self.hostname + ' is not up.'
+
+Hosts = [
+    Host('abe', 'LCM1'),
+    Host('crash', 'LCM1'),
+    Host('duke', 'LCM1'),
+    Host('glados', 'LCM1'),
+    Host('lara', 'LCM1'),
+    Host('link', 'LCM1'),
+    Host('king', 'LCM1'),
+    Host('pang', 'LCM1'),
+    Host('pong', 'LCM1'),
+    Host('snake', 'LCM1'),
+    Host('sonic', 'LCM1'),
+    Host('spyro', 'LCM1'),
+    Host('yoshi', 'LCM1'),
+    Host('actarus', 'LCM2'),
+    Host('elwood', 'LCM2'),
+    Host('gex', 'LCM2'),
+    Host('gin', 'LCM2'),
+    Host('jake', 'LCM2'),
+    Host('kirk', 'LCM2'),
+    Host('martini', 'LCM2'),
+    Host('picard', 'LCM2'),
+    Host('q', 'LCM2'),
+    Host('raziel', 'LCM2'),
+    Host('sarek',  'LCM2'),
+    Host('spock',  'LCM2'),
+    Host('tron',  'LCM2'),
+    Host('worf',  'LCM2'),
+    Host('zombie', 'LCM2')
+]
+
+nodes = []
+
+# Filter hostlist according to arguments
+if args.lcm:
+    nodes  = Hosts
+elif args.lcm1:
+    nodes = [ host for host in Hosts if host.location == 'LCM1' ]
+elif args.lcm2:
+    nodes = [ host for host in Hosts if host.location == 'LCM2' ]
+elif args.node:
+    nodes = [ j for j in Hosts if j.hostname in args.node ]
+
+for i in nodes :
+    i.start()
+
+running=[]
+down=[]
+
+num=len(nodes)
+index=0
+print ' Querying ' + str(num) + ' hosts...'
+for i in nodes:
+    # Rejoin them when their work is done
+    i.join()
+    if i.running:
+        running.append(i.hostname)
+    if not i.up :
+        down.append(i.hostname)
+    index += 1
+    print_progressbar(index, num)
+# New line after progress bar
+print '\n Done... (%(t).3f s)' % {'t': (time() - start)}
+
+if args.cmd == 'status':
+    if len(running):
+        print "xfreerdp is running on:"
+        for i in running : print '\t',i
+    else:
+        print "xfreerdp is not running"
+    if len(down):
+        print "Down nodes:"
+        for i in down :  print '\t',i
+
+elif args.cmd == 'start':
+    for i in nodes: i.xstart()
+
+elif args.cmd == 'stop':
+    for i in nodes: i.xstop()