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import os.path
import lxml.etree
import Bcfg2.Server.Lint
from Bcfg2.Server.Plugins.Packages import Apt, Yum
class RequiredAttrs(Bcfg2.Server.Lint.ServerPlugin):
""" verify attributes for configuration entries (as defined in
doc/server/configurationentries) """
def __init__(self, *args, **kwargs):
Bcfg2.Server.Lint.ServerPlugin.__init__(self, *args, **kwargs)
self.required_attrs = {
'Path': {
'device': ['name', 'owner', 'group', 'dev_type'],
'directory': ['name', 'owner', 'group', 'perms'],
'file': ['name', 'owner', 'group', 'perms', '__text__'],
'hardlink': ['name', 'to'],
'symlink': ['name', 'to'],
'ignore': ['name'],
'nonexistent': ['name'],
'permissions': ['name', 'owner', 'group', 'perms'],
'vcs': ['vcstype', 'revision', 'sourceurl']},
'Service': {
'chkconfig': ['name'],
'deb': ['name'],
'rc-update': ['name'],
'smf': ['name', 'FMRI'],
'upstart': ['name']},
'Action': ['name', 'timing', 'when', 'status', 'command'],
'Package': ['name']}
def Run(self):
self.check_packages()
if "Defaults" in self.core.plugins:
self.logger.info("Defaults plugin enabled; skipping required "
"attribute checks")
else:
self.check_rules()
self.check_bundles()
def Errors(self):
return {"unknown-entry-type":"error",
"unknown-entry-tag":"error",
"required-attrs-missing":"error",
"extra-attrs":"warning"}
def check_packages(self):
""" check package sources for Source entries with missing attrs """
if 'Packages' in self.core.plugins:
for source in self.core.plugins['Packages'].sources:
if isinstance(source, Yum.YumSource):
if (not source.pulp_id and not source.url and
not source.rawurl):
self.LintError("required-attrs-missing",
"A %s source must have either a url, "
"rawurl, or pulp_id attribute: %s" %
(source.ptype,
self.RenderXML(source.xsource)))
elif not source.url and not source.rawurl:
self.LintError("required-attrs-missing",
"A %s source must have either a url or "
"rawurl attribute: %s" %
(source.ptype,
self.RenderXML(source.xsource)))
if (not isinstance(source, Apt.AptSource) and
source.recommended):
self.LintError("extra-attrs",
"The recommended attribute is not "
"supported on %s sources: %s" %
(source.ptype,
self.RenderXML(source.xsource)))
def check_rules(self):
""" check Rules for Path entries with missing attrs """
if 'Rules' in self.core.plugins:
for rules in self.core.plugins['Rules'].entries.values():
xdata = rules.pnode.data
for path in xdata.xpath("//Path"):
self.check_entry(path, os.path.join(self.config['repo'],
rules.name))
def check_bundles(self):
""" check bundles for BoundPath entries with missing attrs """
if 'Bundler' in self.core.plugins:
for bundle in self.core.plugins['Bundler'].entries.values():
try:
xdata = lxml.etree.XML(bundle.data)
except (lxml.etree.XMLSyntaxError, AttributeError):
xdata = lxml.etree.parse(bundle.template.filepath).getroot()
for path in xdata.xpath("//*[substring(name(), 1, 5) = 'Bound']"):
self.check_entry(path, bundle.name)
def check_entry(self, entry, filename):
""" generic entry check """
if self.HandlesFile(filename):
name = entry.get('name')
tag = entry.tag
if tag.startswith("Bound"):
tag = tag[5:]
if tag not in self.required_attrs:
self.LintError("unknown-entry-tag",
"Unknown entry tag '%s': %s" %
(entry.tag, self.RenderXML(entry)))
if isinstance(self.required_attrs[tag], dict):
etype = entry.get('type')
if etype in self.required_attrs[tag]:
required_attrs = set(self.required_attrs[tag][etype] +
['type'])
else:
self.LintError("unknown-entry-type",
"Unknown %s type %s: %s" %
(tag, etype, self.RenderXML(entry)))
return
else:
required_attrs = set(self.required_attrs[tag])
attrs = set(entry.attrib.keys())
if 'dev_type' in required_attrs:
dev_type = entry.get('dev_type')
if dev_type in ['block', 'char']:
# check if major/minor are specified
required_attrs |= set(['major', 'minor'])
if '__text__' in required_attrs:
required_attrs.remove('__text__')
if (not entry.text and
not entry.get('empty', 'false').lower() == 'true'):
self.LintError("required-attrs-missing",
"Text missing for %s %s in %s: %s" %
(entry.tag, name, filename,
self.RenderXML(entry)))
if not attrs.issuperset(required_attrs):
self.LintError("required-attrs-missing",
"The following required attribute(s) are "
"missing for %s %s in %s: %s\n%s" %
(entry.tag, name, filename,
", ".join([attr
for attr in
required_attrs.difference(attrs)]),
self.RenderXML(entry)))
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