#!/usr/bin/env plcsh
#
# $Id$
# this script generates a kml file, located under the default location below
# you should crontab this job from your myplc image
# you can then use the googlemap.js javascript for creating your applet
# more on this at http://svn.planet-lab.org/wiki/GooglemapSetup
#
# kml reference can be found at
# http://code.google.com/apis/kml/documentation/kmlreference.html
#
import sys
default_output = "/var/www/html/sites/sites.kml"
default_local_icon = "sites/google-local.png"
default_foreign_icon = "sites/google-foreign.png"
default_local_builtin = "palette-4.png"
default_foreign_builtin = "palette-3.png"
class KmlMap:
def __init__ (self,outputname,options):
self.outputname=outputname
self.options=options
def open (self):
self.output = open(self.outputname,"w")
def close (self):
if self.output:
self.output.close()
self.output = None
def write(self,string):
self.output.write(string.encode("UTF-8"))
# mention local last
@staticmethod
def site_compare (s1,s2):
p1 = p2 = 0
if s1['peer_id']: p1=s1['peer_id']
if s2['peer_id']: p2=s2['peer_id']
return p2-p1
def refresh (self):
self.open()
self.write_header()
# cache peers
peers = GetPeers({},['peer_id','peername'])
all_sites = GetSites({'enabled':True,'is_public':True})
all_sites.sort(KmlMap.site_compare)
for site in all_sites:
self.write_site(site,peers)
self.write_footer()
self.close()
# initial placement is for europe - dunno how to tune that yet
def write_header (self):
self.write("""
PlanetLab Sites
9.180821112577378
44.43275321178062
0
5782133.196489797
0
-7.767386340832667
All the sites known to the PlanetLab testbed.
""")
def write_footer (self):
self.write("""
""")
def peer_name (self,site, peers):
if not site['peer_id']:
return "local"
for peer in peers:
if peer['peer_id'] == site['peer_id']:
return peer['peername']
def write_site (self, site, peers):
# discard sites with missing lat or lon
if not site['latitude'] or not site['longitude']:
return
# discard sites with no nodes
if len(site['node_ids']) == 0:
return
site_id=site['site_id']
name=site['name']
nb_nodes=len(site['node_ids'])
nb_slices=len(site['slice_ids'])
latitude=site['latitude']
longitude=site['longitude']
apiurl='https://%s:443'%api.config.PLC_WWW_HOST
baseurl='http://%s'%api.config.PLC_WWW_HOST
peer_id=site['peer_id']
# open description
description='
'
# Name and URL
description += '- '
description += ' Site page '%locals()
if site['url']:
site_url=site['url']
description += ' -- %(site_url)s '%locals()
description += '
'
# NODES
if nb_nodes:
description += '- '
description += '%(nb_nodes)d node(s)'%locals()
description += ' (in Comon)'%locals()
description += '
'
else:
description += '- No node
'
#SLICES
if nb_slices:
description += '- %(nb_slices)d slice(s)
'%locals()
else:
description += '- No slice
'
# PEER
if peer_id:
peername = self.peer_name(site,peers)
description += '- '
description += 'At peer %(peername)s'%locals()
description += '
'
# close description
description +='
'
if not self.options.labels:
name=""
description=""
# STYLE
if self.options.use_google_icons:
if not peer_id:
# local sites
iconfile=default_local_builtin
xyspec="12803232"
else:
# remote
iconfile=default_foreign_builtin
xyspec="16003232"
iconurl="root://icons/%(iconfile)s"%locals()
else:
if not peer_id:
iconfile=self.options.local_icon
else:
iconfile=self.options.foreign_icon
iconurl="%(baseurl)s/%(iconfile)s"%locals()
xyspec=""
iconspec="%(iconurl)s%(xyspec)s"%locals()
# set the camera 50km high
template="""
%(latitude)f
%(longitude)f
0
relativeToGround
50000.
%(longitude)f,%(latitude)f,0
"""
self.write(template%locals())
def main () :
from optparse import OptionParser
usage = "Usage %prog [plcsh-options] [ -- options ]"
parser = OptionParser (usage=usage)
parser.add_option("-o","--output",action="store",dest="output",
default=default_output,
help="output file - default is %s"%default_output)
parser.add_option("-n","--no-label",action="store_false",dest="labels",
default=True,
help="outputs only geographic positions, no labels")
parser.add_option("-c","--custom",action="store_false",dest="use_google_icons",
default=True,
help="use locally customized icons rather than the google-provided defaults")
parser.add_option("-l","--local",action="store",dest="local_icon",
default=default_local_icon,
help="set icon url to use for local sites marker -- default is %s"%default_local_icon)
parser.add_option("-f","--foreign",action="store",dest="foreign_icon",
default=default_foreign_icon,
help="set icon url to use for foreign sites marker -- default is %s"%default_foreign_icon)
(options, args) = parser.parse_args()
if len(args) != 0:
parser.print_help()
sys.exit(1)
KmlMap(options.output,options).refresh()
####################
if __name__ == "__main__":
main()