import pwd
import sha
import string
-import threading
import curlwrapper
import logger
import tools
-
+import xmlrpclib
+from config import Config
class conf_files:
- def __init__(self, config, noscripts=False):
- self.config = config
+ def __init__(self, noscripts=False):
+ self.config = Config()
self.noscripts = noscripts
- self.cond = threading.Condition()
self.data = None
def checksum(self, path):
def system(self, cmd):
if not self.noscripts and cmd:
- logger.log('conf_files: running command %s' % cmd)
+ logger.verbose('conf_files: running command %s' % cmd)
return tools.fork_as(None, os.system, cmd)
else: return 0
def update_conf_file(self, cf_rec):
if not cf_rec['enabled']: return
dest = cf_rec['dest']
- # XXX Remove once old Node Manager is out of service
- if dest == '/etc/proper/propd.conf': return
err_cmd = cf_rec['error_cmd']
mode = string.atoi(cf_rec['file_permissions'], base=8)
- uid = pwd.getpwnam(cf_rec['file_owner'])[2]
- gid = grp.getgrnam(cf_rec['file_group'])[2]
+ try:
+ uid = pwd.getpwnam(cf_rec['file_owner'])[2]
+ except:
+ logger.log('conf_files: cannot find user %s -- %s not updated'%(cf_rec['file_owner'],dest))
+ return
+ try:
+ gid = grp.getgrnam(cf_rec['file_group'])[2]
+ except:
+ logger.log('conf_files: cannot find group %s -- %s not updated'%(cf_rec['file_group'],dest))
+ return
url = 'https://%s/%s' % (self.config.PLC_BOOT_HOST, cf_rec['source'])
+ # set node_id at the end of the request - hacky
+ if tools.node_id():
+ if url.find('?') >0: url += '&'
+ else: url += '?'
+ url += "node_id=%d"%tools.node_id()
+ else:
+ logger.log('%s -- WARNING, cannot add node_id to request'%dest)
+ # pass slicefamily as well, as stored in /etc/planetlab/slicefamily ont the node
+ if tools.slicefamily():
+ if url.find('?') >0: url += '&'
+ else: url += '?'
+ url += "slicefamily=%s"%tools.slicefamily()
try:
+ logger.verbose("retrieving URL=%s"%url)
contents = curlwrapper.retrieve(url, self.config.cacert)
- except curlwrapper.CurlException:
+ except xmlrpclib.ProtocolError,e:
logger.log('conf_files: failed to retrieve %s from %s, skipping' % (dest, url))
return
if not cf_rec['always_update'] and sha.new(contents).digest() == self.checksum(dest):
if self.system(cf_rec['postinstall_cmd']): self.system(err_cmd)
def run_once(self, data):
- for f in data['conf_files']:
- try: self.update_conf_file(f)
- except: logger.log_exc()
-
- def run(self):
- while True:
- self.cond.acquire()
- while self.data == None: self.cond.wait()
- data = self.data
- self.data = None
- self.cond.release()
- self.run_once(data)
-
- def callback(self, data):
- if data != None:
- self.cond.acquire()
- self.data = data
- self.cond.notify()
- self.cond.release()
+ if data.has_key("conf_files"):
+ for f in data['conf_files']:
+ try: self.update_conf_file(f)
+ except: logger.log_exc()
+ else: logger.log("conf_files: No conf_files found or API failure. Skipping")
-main = None
-def start(options, config):
- global main
- main = conf_files(config)
- tools.as_daemon_thread(main.run)
+def start(options, config): pass
-def GetSlivers(data):
- global main
- assert main is not None
- return main.callback(data)
+def GetSlivers(data, config = None, plc = None):
+ logger.log("conf_files: Running.")
+ cf = conf_files()
+ cf.run_once(data)
+ logger.log("conf_files: Done.")
if __name__ == '__main__':
import optparse
(options, args) = parser.parse_args()
# Load /etc/planetlab/plc_config
- from config import Config
config = Config(options.config)
# Load /etc/planetlab/session
from plcapi import PLCAPI
plc = PLCAPI(config.plc_api_uri, config.cacert, auth = session)
- main = conf_files(config, options.noscripts)
+ main = conf_files(options.noscripts)
data = plc.GetSlivers()
main.run_once(data)