import string
import threading
-import config
import curlwrapper
import logger
import tools
class conf_files:
- def __init__(self):
+ def __init__(self, config, noscripts=False):
+ self.config = config
+ self.noscripts = noscripts
self.cond = threading.Condition()
- self.config = config.Config()
self.data = None
def checksum(self, path):
except IOError: return None
def system(self, cmd):
- if cmd:
+ if not self.noscripts and cmd:
logger.log('conf_files: running command %s' % cmd)
- return os.system(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']
- logger.log('conf_files: considering file %s' % 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'])
- contents = curlwrapper.retrieve(url)
- logger.log('conf_files: retrieving url %s' % url)
+ try:
+ contents = curlwrapper.retrieve(url, self.config.cacert)
+ except curlwrapper.CurlException:
+ 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):
- logger.log('conf_files: skipping file %s, always_update is false and checksums are identical' % dest)
return
if self.system(cf_rec['preinstall_cmd']):
self.system(err_cmd)
if not cf_rec['ignore_cmd_errors']: return
- logger.log('conf_files: installing file %s' % dest)
+ logger.log('conf_files: installing file %s from %s' % (dest, url))
try: os.makedirs(os.path.dirname(dest))
except OSError: pass
tools.write_file(dest, lambda f: f.write(contents), mode=mode, uidgid=(uid,gid))
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()
data = self.data
self.data = None
self.cond.release()
- for d in data:
- for f in d['conf_files']:
- try: self.update_conf_file(f)
- except: logger.log_exc()
+ self.run_once(data)
def callback(self, data):
if data != None:
self.cond.notify()
self.cond.release()
-main = conf_files()
+main = None
+
+def start(options, config):
+ global main
+ main = conf_files(config)
+ tools.as_daemon_thread(main.run)
+
+def GetSlivers(data):
+ global main
+ assert main is not None
+ return main.callback(data)
+
+if __name__ == '__main__':
+ import optparse
+ parser = optparse.OptionParser()
+ parser.add_option('-f', '--config', action='store', dest='config', default='/etc/planetlab/plc_config', help='PLC configuration file')
+ parser.add_option('-k', '--session', action='store', dest='session', default='/etc/planetlab/session', help='API session key (or file)')
+ parser.add_option('--noscripts', action='store_true', dest='noscripts', default=False, help='Do not run pre- or post-install scripts')
+ (options, args) = parser.parse_args()
+
+ # Load /etc/planetlab/plc_config
+ from config import Config
+ config = Config(options.config)
+
+ # Load /etc/planetlab/session
+ if os.path.exists(options.session):
+ session = file(options.session).read().strip()
+ else:
+ session = options.session
-def GetSlivers_callback(data): main.callback(data)
+ # Initialize XML-RPC client
+ from plcapi import PLCAPI
+ plc = PLCAPI(config.plc_api_uri, config.cacert, auth = session)
-def start(options): tools.as_daemon_thread(main.run)
+ main = conf_files(config, options.noscripts)
+ data = plc.GetSlivers()
+ main.run_once(data)