import grp
import os
import pwd
-import sha
+try:
+ from hashlib import sha1 as sha
+except ImportError:
+ from sha import sha
import string
-import threading
-import config
import curlwrapper
import logger
import tools
+import xmlrpclib
+from config import Config
+# right after net
+priority = 2
class conf_files:
- def __init__(self):
- self.cond = threading.Condition()
- self.config = config.Config()
+ def __init__(self, noscripts=False):
+ self.config = Config()
+ self.noscripts = noscripts
self.data = None
def checksum(self, path):
try:
f = open(path)
- try: return sha.new(f.read()).digest()
+ try: return sha(f.read()).digest()
finally: f.close()
except IOError: return None
def system(self, cmd):
- if cmd:
- logger.log('conf_files: running command %s' % cmd)
- return os.system(cmd)
+ if not self.noscripts and 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']
- logger.log('conf_files: considering file %s' % dest)
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)
- 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)
+ # 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('conf_files: %s -- WARNING, cannot add node_id to request'%dest)
+ try:
+ logger.verbose("conf_files: retrieving URL=%s"%url)
+ contents = curlwrapper.retrieve(url, self.config.cacert)
+ 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(contents).digest() == self.checksum(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']): system(err_cmd)
-
- def run(self):
- while True:
- self.cond.acquire()
- while self.data == None: self.cond.wait()
- 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()
-
- def callback(self, data):
- if data != None:
- self.cond.acquire()
- self.data = data
- self.cond.notify()
- self.cond.release()
-
-main = conf_files()
-
-def GetSlivers_callback(data): main.callback(data)
-
-def start(options): tools.as_daemon_thread(main.run)
+ if self.system(cf_rec['postinstall_cmd']): self.system(err_cmd)
+
+ def run_once(self, data):
+ if data.has_key("conf_files"):
+ for f in data['conf_files']:
+ try: self.update_conf_file(f)
+ except: logger.log_exc("conf_files: failed to update conf_file")
+ else:
+ logger.log_missing_data("conf_files.run_once",'conf_files')
+
+
+def start(): pass
+
+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
+ 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
+ config = Config(options.config)
+
+ # Load /etc/planetlab/session
+ if os.path.exists(options.session):
+ session = file(options.session).read().strip()
+ else:
+ session = options.session
+
+ # Initialize XML-RPC client
+ from plcapi import PLCAPI
+ plc = PLCAPI(config.plc_api_uri, config.cacert, auth = session)
+
+ main = conf_files(options.noscripts)
+ data = plc.GetSlivers()
+ main.run_once(data)
git://git.onelab.eu / nodemanager.git / blobdiff