diff options
Diffstat (limited to 'src/lib')
| -rw-r--r-- | src/lib/Bcfg2/Client/Client.py | 10 | ||||
| -rw-r--r-- | src/lib/Bcfg2/Server/Plugins/Metadata.py | 12 | ||||
| -rw-r--r-- | src/lib/Bcfg2/Utils.py | 10 |
3 files changed, 16 insertions, 16 deletions
diff --git a/src/lib/Bcfg2/Client/Client.py b/src/lib/Bcfg2/Client/Client.py index 45e0b64e6..b0d877a19 100644 --- a/src/lib/Bcfg2/Client/Client.py +++ b/src/lib/Bcfg2/Client/Client.py @@ -14,6 +14,7 @@ import Bcfg2.Options import Bcfg2.Client.XML import Bcfg2.Client.Frame import Bcfg2.Client.Tools +from Bcfg2.Utils import locked from Bcfg2.Compat import xmlrpclib from Bcfg2.version import __version__ from subprocess import Popen, PIPE @@ -288,11 +289,7 @@ class Client(object): #check lock here try: lockfile = open(self.setup['lockfile'], 'w') - try: - fcntl.lockf(lockfile.fileno(), - fcntl.LOCK_EX | fcntl.LOCK_NB) - except IOError: - # otherwise exit and give a warning to the user + if locked(lockfile.fileno()): self.fatal_error("Another instance of Bcfg2 is running. " "If you want to bypass the check, run " "with the %s option" % @@ -301,7 +298,8 @@ class Client(object): raise except: lockfile = None - self.logger.error("Failed to open lockfile") + self.logger.error("Failed to open lockfile %s: %s" % + (self.setup['lockfile'], sys.exc_info()[1])) # execute the configuration self.tools.Execute() diff --git a/src/lib/Bcfg2/Server/Plugins/Metadata.py b/src/lib/Bcfg2/Server/Plugins/Metadata.py index ef0c152fd..df98e6ea8 100644 --- a/src/lib/Bcfg2/Server/Plugins/Metadata.py +++ b/src/lib/Bcfg2/Server/Plugins/Metadata.py @@ -15,6 +15,7 @@ import Bcfg2.Server import Bcfg2.Server.Lint import Bcfg2.Server.Plugin import Bcfg2.Server.FileMonitor +from Bcfg2.Utils import locked from Bcfg2.Compat import MutableMapping, all, wraps # pylint: disable=W0622 from Bcfg2.version import Bcfg2VersionInfo @@ -27,15 +28,6 @@ except ImportError: LOGGER = logging.getLogger(__name__) -def locked(fd): - """ Acquire a lock on a file """ - try: - fcntl.lockf(fd, fcntl.LOCK_EX | fcntl.LOCK_NB) - except IOError: - return True - return False - - if HAS_DJANGO: class MetadataClientModel(models.Model, Bcfg2.Server.Plugin.PluginDatabaseModel): @@ -195,7 +187,7 @@ class XMLMetadataConfig(Bcfg2.Server.Plugin.XMLFileBacked): newcontents = lxml.etree.tostring(dataroot, xml_declaration=False, pretty_print=True).decode('UTF-8') - while locked(fd) == True: + while locked(fd): pass try: datafile.write(newcontents) diff --git a/src/lib/Bcfg2/Utils.py b/src/lib/Bcfg2/Utils.py index ba17e1a63..247e4f16b 100644 --- a/src/lib/Bcfg2/Utils.py +++ b/src/lib/Bcfg2/Utils.py @@ -2,6 +2,7 @@ used by both client and server. Stuff that doesn't fit anywhere else. """ +import fcntl from Bcfg2.Compat import any # pylint: disable=W0622 @@ -65,3 +66,12 @@ class PackedDigitRange(object): def __len__(self): return sum(r[1] - r[0] + 1 for r in self.ranges) + len(self.ints) + + +def locked(fd): + """ Acquire a lock on a file """ + try: + fcntl.lockf(fd, fcntl.LOCK_EX | fcntl.LOCK_NB) + except IOError: + return True + return False |