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import lxml.etree
import Bcfg2.Server.Lint
class Bundles(Bcfg2.Server.Lint.ServerPlugin):
""" Perform various bundle checks """
@Bcfg2.Server.Lint.returnErrors
def Run(self):
""" run plugin """
if 'Bundler' in self.core.plugins:
self.missing_bundles()
for bundle in self.core.plugins['Bundler'].entries.values():
if self.HandlesFile(bundle.name):
if (Bcfg2.Server.Plugins.Bundler.have_genshi and
type(bundle) is
Bcfg2.Server.Plugins.SGenshi.SGenshiTemplateFile):
self.sgenshi_groups(bundle)
else:
self.bundle_names(bundle)
def missing_bundles(self):
""" find bundles listed in Metadata but not implemented in Bundler """
if self.files is None:
# when given a list of files on stdin, this check is
# useless, so skip it
groupdata = self.metadata.groups_xml.xdata
ref_bundles = set([b.get("name")
for b in groupdata.findall("//Bundle")])
allbundles = self.core.plugins['Bundler'].entries.keys()
for bundle in ref_bundles:
xmlbundle = "%s.xml" % bundle
genshibundle = "%s.genshi" % bundle
if (xmlbundle not in allbundles and
genshibundle not in allbundles):
self.LintError("bundle-not-found",
"Bundle %s referenced, but does not exist" %
bundle)
def bundle_names(self, bundle):
""" verify bundle name attribute matches filename """
try:
xdata = lxml.etree.XML(bundle.data)
except AttributeError:
# genshi template
xdata = lxml.etree.parse(bundle.template.filepath).getroot()
fname = bundle.name.split('Bundler/')[1].split('.')[0]
bname = xdata.get('name')
if fname != bname:
self.LintError("inconsistent-bundle-name",
"Inconsistent bundle name: filename is %s, bundle name is %s" %
(fname, bname))
def sgenshi_groups(self, bundle):
""" ensure that Genshi Bundles do not include <Group> tags,
which are not supported """
xdata = lxml.etree.parse(bundle.name)
groups = [self.RenderXML(g)
for g in xdata.getroottree().findall("//Group")]
if groups:
self.LintError("group-tag-not-allowed",
"<Group> tag is not allowed in SGenshi Bundle:\n%s" %
"\n".join(groups))
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