diff options
Diffstat (limited to 'src/lib/Bcfg2/Server/Plugin/helpers.py')
| -rw-r--r-- | src/lib/Bcfg2/Server/Plugin/helpers.py | 55 |
1 files changed, 28 insertions, 27 deletions
diff --git a/src/lib/Bcfg2/Server/Plugin/helpers.py b/src/lib/Bcfg2/Server/Plugin/helpers.py index 81dc1d736..3e7d68cd8 100644 --- a/src/lib/Bcfg2/Server/Plugin/helpers.py +++ b/src/lib/Bcfg2/Server/Plugin/helpers.py @@ -16,7 +16,7 @@ from Bcfg2.Compat import CmpMixin, wraps from Bcfg2.Server.Plugin.base import Debuggable, Plugin from Bcfg2.Server.Plugin.interfaces import Generator from Bcfg2.Server.Plugin.exceptions import SpecificityError, \ - PluginExecutionError + PluginExecutionError, PluginInitError try: import django # pylint: disable=W0611 @@ -131,6 +131,19 @@ class DatabaseBacked(Plugin): #: conform to the possible values that function can handle. option = "use_database" + def __init__(self, core, datastore): + Plugin.__init__(self, core, datastore) + use_db = self.core.setup.cfp.getboolean(self.section, + self.option, + default=False) + if use_db and not HAS_DJANGO: + raise PluginInitError("%s.%s is True but Django not found" % + (self.section, self.option)) + elif use_db and not self.core.database_available: + raise PluginInitError("%s.%s is True but the database is " + "unavailable due to prior errors" % + (self.section, self.option)) + def _section(self): """ The section to look in for :attr:`DatabaseBacked.option` """ @@ -146,10 +159,7 @@ class DatabaseBacked(Plugin): default=False) if use_db and HAS_DJANGO and self.core.database_available: return True - elif not use_db: - return False else: - self.logger.error("%s is true but django not found" % self.option) return False @property @@ -555,16 +565,12 @@ class XMLFileBacked(FileBacked): xdata = self.xdata.getroottree() else: xdata = lxml.etree.parse(fname) - included = [el for el in xdata.findall('//' + xinclude)] - for el in included: + for el in xdata.findall('//' + xinclude): name = el.get("href") if name.startswith("/"): fpath = name else: - if fname: - rel = fname - else: - rel = self.name + rel = fname or self.name fpath = os.path.join(os.path.dirname(rel), name) # expand globs in xinclude, a bcfg2-specific extension @@ -579,12 +585,13 @@ class XMLFileBacked(FileBacked): parent = el.getparent() parent.remove(el) for extra in extras: - if extra != self.name and extra not in self.extras: - self.extras.append(extra) + if extra != self.name: lxml.etree.SubElement(parent, xinclude, href=extra) - self._follow_xincludes(fname=extra) - if extra not in self.extra_monitors: - self.add_monitor(extra) + if extra not in self.extras: + self.extras.append(extra) + self._follow_xincludes(fname=extra) + if extra not in self.extra_monitors: + self.add_monitor(extra) def Index(self): self.xdata = lxml.etree.XML(self.data, base_url=self.name, @@ -606,15 +613,16 @@ class XMLFileBacked(FileBacked): def add_monitor(self, fpath): """ Add a FAM monitor to a file that has been XIncluded. This - is only done if the constructor got both a ``fam`` object and - ``should_monitor`` set to True. + is only done if the constructor got a ``fam`` object, + regardless of whether ``should_monitor`` is set to True (i.e., + whether or not the base file is monitored). :param fpath: The full path to the file to monitor :type fpath: string :returns: None """ self.extra_monitors.append(fpath) - if self.fam and self.should_monitor: + if self.fam: self.fam.AddMonitor(fpath, self) def __iter__(self): @@ -832,15 +840,10 @@ class XMLSrc(XMLFileBacked): def HandleEvent(self, _=None): """Read file upon update.""" - try: - data = open(self.name).read() - except IOError: - msg = "Failed to read file %s: %s" % (self.name, sys.exc_info()[1]) - self.logger.error(msg) - raise PluginExecutionError(msg) self.items = {} try: - xdata = lxml.etree.XML(data, parser=Bcfg2.Server.XMLParser) + xdata = lxml.etree.parse(self.name, + parser=Bcfg2.Server.XMLParser).getroot() except lxml.etree.XMLSyntaxError: msg = "Failed to parse file %s: %s" % (self.name, sys.exc_info()[1]) @@ -857,8 +860,6 @@ class XMLSrc(XMLFileBacked): self.logger.error(msg) raise PluginExecutionError(msg) - del xdata, data - def Cache(self, metadata): """Build a package dict for a given host.""" if self.cache is None or self.cache[0] != metadata: |