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#!/usr/bin/env python
import re
import sys
from string import Template
from optparse import OptionParser
TEMPLATE_PATH = "templates/"
CONFIG_NAME = "config.py"
CONFIG_PATH = TEMPLATE_PATH + CONFIG_NAME
LAVA_CACHE_PATH = "/tmp/lava_multi_node_cache.txt"
IPADDR_FILE = "IPADDR"
IPADDR = "-ipaddr"
if __name__ == '__main__':
usage = "usage: %prog [OPTIONS]"
parser = OptionParser(usage=usage)
parser.add_option("-p", "--prefix", dest="prefix",
help="Signal prefix used in the multinode job to retrieve IP address")
(options, args) = parser.parse_args()
if not options.prefix:
parser.error("Prefix missing")
lava_cache_file = open(LAVA_CACHE_PATH, 'r')
lava_cache_regexp = re.compile("^(?P<device_id>[a-zA-Z0-9_\-]+):(?P<key>[a-zA-Z0-9_\-]+)=(?P<value>.*)$")
ipaddr = None
for line in lava_cache_file.readlines()
print line
lava_cache_match = lava_cache_regexp.search(line)
if lava_cache_match:
if lava_cache_match.group("key") == options.prefix + IPADDR
ipaddr = lava_cache_match.group("value")
ipaddr_file = open(IPADDR_FILE, "w")
ipaddr_file.write(ipaddr)
ipaddr_file.close()
lava_cache_file.close()
if not ipaddr:
sys.exit(1)
config = open(CONFIG_PATH, "r")
config_template = Template(config.read())
config.close()
dest_config = open(CONFIG_NAME, "w")
dest_config.write(config_template.safe_substitute(ipaddr=ipaddr + ":5555"))
dest_config.close()
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