import pwd
import sha
import string
-import urllib
+import threading
+import config
+import curlwrapper
import logger
import tools
-BOOT_SERVER = "plc-a.demo.vmware"
-
-
-def checksum(path):
- try:
- f = open(path)
- try: return sha.new(f.read()).digest()
- finally: f.close()
- except IOError: return None
-
-def system(cmd):
- if cmd:
- logger.log('cf: running command %s' % cmd)
- return os.system(cmd)
- else: return 0
-
-def conf_file(cf_rec):
- if not cf_rec['enabled']: return
- dest = cf_rec['dest']
- logger.log('cf: 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]
- src, msg = urllib.urlretrieve('https://%s%s' % (BOOT_SERVER, cf_rec['source']))
- if not cf_rec['always_update'] and checksum(src) == checksum(dest):
- logger.log('cf: skipping file %s, always_update is false and checksums are identical' % dest)
- return
- if system(cf_rec['preinstall_cmd']):
- system(err_cmd)
- if not cf_rec['ignore_cmd_errors']: return
- logger.log('cf: installing file %s' % dest)
- os.chmod(src, mode)
- os.chown(src, uid, gid)
- os.rename(src, dest)
- if system(cf_rec['postinstall_cmd']): system(err_cmd)
-
-def GetSlivers_callback(data):
- def run():
- for d in data:
- for f in d['conf_files']:
- try: conf_file(f)
- except: logger.log_exc()
- tools.as_daemon_thread(run)
-
-def start(options): pass
+class conf_files:
+ def __init__(self):
+ self.cond = threading.Condition()
+ self.config = config.Config()
+ self.data = None
+
+ def checksum(self, path):
+ try:
+ f = open(path)
+ try: return sha.new(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)
+ 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]
+ 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)
+ 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)
+ 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)