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#!/usr/bin/python
import subprocess
from Cheetah.Template import Template
import sys
import ec2init
def warn(str):
sys.stderr.write(str)
def main():
cloud = ec2init.EC2Init()
data = None
try:
cloud.get_data_source()
except Exception as e:
print e
sys.stderr.write("Failed to get instance data")
sys.exit(1)
hostname = cloud.get_hostname()
subprocess.Popen(['hostname', hostname]).communicate()
#print "user data is:" + cloud.get_user_data()
# store the metadata
cloud.update_cache()
# parse the user data (ec2-run-userdata.py)
try:
cloud.sem_and_run("consume_userdata", "once-per-instance",
cloud.consume_userdata,[],False)
except:
warn("consuming user data failed!\n")
raise
# set the defaults (like what ec2-set-defaults.py did)
try:
generate_sources_list(cloud.get_mirror())
apply_locale(cloud.get_locale())
except:
warn("failed to set defaults\n")
# set the ssh keys up
cloud.apply_credentials()
# finish, send the cloud-config event
cloud.initctl_emit()
sys.exit(0)
def render_to_file(template, outfile, searchList):
t = Template(file='/etc/ec2-init/templates/%s.tmpl' % template, searchList=[searchList])
f = open(outfile, 'w')
f.write(t.respond())
f.close()
def apply_locale(locale):
subprocess.Popen(['locale-gen', locale]).communicate()
subprocess.Popen(['update-locale', locale]).communicate()
render_to_file('default-locale', '/etc/default/locale', { 'locale' : locale })
def generate_sources_list(mirror):
stdout, stderr = subprocess.Popen(['lsb_release', '-cs'], stdout=subprocess.PIPE).communicate()
codename = stdout.strip()
render_to_file('sources.list', '/etc/apt/sources.list', { 'mirror' : mirror, 'codename' : codename })
if __name__ == '__main__':
main()
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