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# vi: ts=4 expandtab
#
# Copyright (C) 2011 Canonical Ltd.
#
# Author: Scott Moser <scott.moser@canonical.com>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 3, as
# published by the Free Software Foundation.
#
# 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/>.
from cloudinit.CloudConfig import per_instance
import cloudinit.util as util
from time import sleep
frequency = per_instance
post_list_all = [ 'pub_key_dsa', 'pub_key_rsa', 'pub_key_ecdsa', 'instance_id', 'hostname' ]
# phone_home:
# url: http://my.foo.bar/$INSTANCE/
# post: all
# tries: 10
#
# phone_home:
# url: http://my.foo.bar/$INSTANCE_ID/
# post: [ pub_key_dsa, pub_key_rsa, pub_key_ecdsa, instance_id
#
def handle(name,cfg,cloud,log,args):
if len(args) != 0:
ph_cfg = util.readconf(args[0])
else:
if not 'phone_home' in cfg: return
ph_cfg = cfg['phone_home']
if 'url' not in ph_cfg:
log.warn("no 'url' token in phone_home")
return
url = ph_cfg['url']
post_list = ph_cfg.get('post', 'all')
tries = ph_cfg.get('tries',10)
try:
tries = int(tries)
except:
log.warn("tries is not an integer. using 10")
tries = 10
if post_list == "all":
post_list = post_list_all
all_keys = { }
all_keys['instance_id'] = cloud.get_instance_id()
all_keys['hostname'] = cloud.get_hostname()
pubkeys = {
'pub_key_dsa': '/etc/ssh/ssh_host_dsa_key.pub',
'pub_key_rsa': '/etc/ssh/ssh_host_rsa_key.pub',
'pub_key_ecdsa': '/etc/ssh/ssh_host_ecdsa_key.pub',
}
for n, path in pubkeys.iteritems():
try:
fp = open(path, "rb")
all_keys[n] = fp.read()
all_keys[n]
fp.close()
except:
log.warn("%s: failed to open in phone_home" % path)
submit_keys = { }
for k in post_list:
if k in all_keys:
submit_keys[k] = all_keys[k]
else:
submit_keys[k] = "N/A"
log.warn("requested key %s from 'post' list not available")
url = util.render_string(url, { 'INSTANCE_ID' : all_keys['instance_id'] })
last_e = None
for i in range(0,tries):
try:
util.readurl(url, submit_keys)
log.debug("succeeded submit to %s on try %i" % (url, i+1))
return
except Exception as e:
log.debug("failed to post to %s on try %i" % (url, i+1))
last_e = e
sleep(3)
log.warn("failed to post to %s in %i tries" % (url, tries))
if last_e: raise(last_e)
return
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