zone-vnc-console revision 3652
3652N/A#!/usr/bin/python2.6
3652N/A
3652N/Aimport errno
3652N/Aimport os
3652N/Aimport pwd
3652N/Aimport smf_include
3652N/Aimport subprocess
3652N/Aimport sys
3652N/A
3652N/Afrom subprocess import CalledProcessError, check_call, Popen
3652N/Afrom tempfile import mkstemp
3652N/A
3652N/ASVCCFG = "/usr/sbin/svccfg"
3652N/ASVCPROP = "/usr/bin/svcprop"
3652N/AVNCSERVER = "/usr/bin/vncserver"
3652N/AXSTARTUPHDR = "# WARNING: THIS FILE GENERATED BY SMF.\n" + \
3652N/A "# DO NOT EDIT THIS FILE. EDITS WILL BE LOST.\n"
3652N/AXTERM = "/usr/bin/xterm"
3652N/A# Monospsce font, point size 15, white foreground on black background"
3652N/AXTERMOPTS = ' -fa Monospace -fs 15 -fg white -bg black'
3652N/A# Enclose command in comments to prevent xterm consuming zlogin opts
3652N/AZLOGINOPTS = ' -e "/usr/bin/pfexec /usr/sbin/zlogin -C -E $ZONENAME"\n'
3652N/AXSTARTUP = XSTARTUPHDR + XTERM + XTERMOPTS + ZLOGINOPTS
3652N/A
3652N/A
3652N/Adef start():
3652N/A check_vncserver()
3652N/A homedir = os.environ.get('HOME')
3652N/A if not homedir:
3652N/A homedir = pwd.getpwuid(os.getuid()).pw_dir
3652N/A os.putenv("HOME", homedir)
3652N/A set_xstartup(homedir)
3652N/A
3652N/A try:
3652N/A fmri = os.environ['SMF_FMRI']
3652N/A zonename = fmri.rsplit(':', 1)[1]
3652N/A os.putenv("ZONENAME", zonename)
3652N/A desktop_name = zonename + ' console'
3652N/A # NOTE: 'geometry' below is that which matches the size of standard
3652N/A # 80 character undecorated xterm window using font style specified in
3652N/A # XTERMOPTS. Update this geometry whenever XTERMOPTS are changed.
3652N/A # Avoids exposing X root window within noVNC canvas widget.
3652N/A cmd = [VNCSERVER, "-name", desktop_name, "-SecurityTypes=None",
3652N/A "-geometry", "964x580", "-localhost", "-autokill"]
3652N/A vnc = Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE,
3652N/A env=None)
3652N/A out, err = vnc.communicate()
3652N/A vncret = vnc.wait()
3652N/A if vncret != 0:
3652N/A print "Error starting VNC server: " + err
3652N/A return smf_include.SMF_EXIT_ERR_FATAL
3652N/A except Exception as e:
3652N/A print e
3652N/A return smf_include.SMF_EXIT_ERR_FATAL
3652N/A
3652N/A output = err.splitlines()
3652N/A for line in output:
3652N/A if line.startswith("New '%s' desktop is" % desktop_name):
3652N/A display = line.rpartition(' ')[2]
3652N/A host, display_num = display.split(':', 1)
3652N/A # set host prop
3652N/A port = 5900 + int(display_num)
3652N/A print "VNC port: %d" % port
3652N/A # set port num prop
3652N/A cmd = [SVCCFG, '-s', fmri, 'setprop', 'vnc/port', '=', 'integer:',
3652N/A str(port)]
3652N/A
3652N/A svccfg = subprocess.Popen(cmd, stdout=subprocess.PIPE,
3652N/A stderr=subprocess.PIPE)
3652N/A out, err = svccfg.communicate()
3652N/A retcode = svccfg.wait()
3652N/A if retcode != 0:
3652N/A print "Error updating 'vnc/port' property: " + err
3652N/A return smf_include.SMF_EXIT_ERR_FATAL
3652N/A return smf_include.SMF_EXIT_OK
3652N/A
3652N/A
3652N/Adef stop():
3652N/A try:
3652N/A # first kill the SMF contract
3652N/A check_call(["/usr/bin/pkill", "-c", sys.argv[2]])
3652N/A except CalledProcessError as cpe:
3652N/A # 1 is returncode if no SMF contract processes were matched,
3652N/A # meaning they have already terminated.
3652N/A if cpe.returncode != 1:
3652N/A print "failed to kill the SMF contract: %s" % cpe
3652N/A return smf_include.SMF_EXIT_ERR_FATAL
3652N/A
3652N/A try:
3652N/A fmri = os.environ['SMF_FMRI']
3652N/A # reset port num prop to initial zero value
3652N/A cmd = [SVCCFG, '-s', fmri, 'setprop', 'vnc/port', '=', 'integer:',
3652N/A '0']
3652N/A svccfg = subprocess.Popen(cmd, stdout=subprocess.PIPE,
3652N/A stderr=subprocess.PIPE,)
3652N/A out, err = svccfg.communicate()
3652N/A retcode = svccfg.wait()
3652N/A if retcode != 0:
3652N/A print "Error resetting 'vnc/port' property: " + err
3652N/A return smf_include.SMF_EXIT_ERR_FATAL
3652N/A except Exception as e:
3652N/A print e
3652N/A return smf_include.SMF_EXIT_ERR_FATAL
3652N/A
3652N/A
3652N/Adef check_vncserver():
3652N/A if not os.path.exists(VNCSERVER):
3652N/A print("VNC console service not available on this compute node. "
3652N/A "%s is missing. Run 'pkg install x11/server/xvnc'"
3652N/A % VNCSERVER)
3652N/A return smf_include.SMF_EXIT_ERR_FATAL
3652N/A if not os.path.exists(XTERM):
3652N/A print("VNC console service not available on this compute node. "
3652N/A "%s is missing. Run 'pkg install terminal/xterm'"
3652N/A % XTERM)
3652N/A return smf_include.SMF_EXIT_ERR_FATAL
3652N/A
3652N/A
3652N/Adef set_xstartup(homedir):
3652N/A vncdir = os.path.join(homedir, '.vnc')
3652N/A xstartup_path = os.path.join(vncdir, 'xstartup')
3652N/A
3652N/A try:
3652N/A os.mkdir(vncdir)
3652N/A except OSError as ose:
3652N/A if ose.errno != errno.EEXIST:
3652N/A raise
3652N/A
3652N/A # Always clobber xstartup
3652N/A # stemp tuple = [fd, path]
3652N/A stemp = mkstemp(dir=vncdir)
3652N/A os.write(stemp[0], XSTARTUP)
3652N/A os.close(stemp[0])
3652N/A os.chmod(stemp[1], 0700)
3652N/A os.rename(stemp[1], xstartup_path)
3652N/A
3652N/A
3652N/Aif __name__ == "__main__":
3652N/A os.putenv("LC_ALL", "C")
3652N/A smf_include.smf_main()