diff options
Diffstat (limited to 'src/lib')
| -rw-r--r-- | src/lib/Logger.py | 12 | ||||
| -rw-r--r-- | src/lib/Server/Lint/Bundles.py | 56 | ||||
| -rw-r--r-- | src/lib/Server/Lint/Comments.py | 183 | ||||
| -rw-r--r-- | src/lib/Server/Lint/Duplicates.py | 79 | ||||
| -rw-r--r-- | src/lib/Server/Lint/InfoXML.py | 38 | ||||
| -rw-r--r-- | src/lib/Server/Lint/Pkgmgr.py | 33 | ||||
| -rw-r--r-- | src/lib/Server/Lint/RequiredAttrs.py | 69 | ||||
| -rw-r--r-- | src/lib/Server/Lint/Validate.py | 185 | ||||
| -rw-r--r-- | src/lib/Server/Lint/__init__.py | 90 |
9 files changed, 743 insertions, 2 deletions
diff --git a/src/lib/Logger.py b/src/lib/Logger.py index a9c4372b7..ae73a6d41 100644 --- a/src/lib/Logger.py +++ b/src/lib/Logger.py @@ -158,17 +158,23 @@ class FragmentingSysLogHandler(logging.handlers.SysLogHandler): pass -def setup_logging(procname, to_console=True, to_syslog=True, syslog_facility='daemon', level=0, to_file=None): +def setup_logging(procname, to_console=True, to_syslog=True, + syslog_facility='daemon', level=0, to_file=None): """Setup logging for Bcfg2 software.""" if hasattr(logging, 'already_setup'): return + # add the handler to the root logger if to_console: console = logging.StreamHandler(sys.stdout) - console.setLevel(logging.DEBUG) + if to_console is True: + console.setLevel(logging.DEBUG) + else: + console.setLevel(to_console) # tell the handler to use this format console.setFormatter(TermiosFormatter()) logging.root.addHandler(console) + if to_syslog: try: try: @@ -186,11 +192,13 @@ def setup_logging(procname, to_console=True, to_syslog=True, syslog_facility='da logging.root.error("failed to activate syslogging") except: print("Failed to activate syslogging") + if not to_file == None: filelog = logging.FileHandler(to_file) filelog.setLevel(logging.DEBUG) filelog.setFormatter(logging.Formatter('%(asctime)s %(name)s[%(process)d]: %(message)s')) logging.root.addHandler(filelog) + logging.root.setLevel(level) logging.already_setup = True diff --git a/src/lib/Server/Lint/Bundles.py b/src/lib/Server/Lint/Bundles.py new file mode 100644 index 000000000..a1ce631c9 --- /dev/null +++ b/src/lib/Server/Lint/Bundles.py @@ -0,0 +1,56 @@ +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 """ + self.missing_bundles() + self.bundle_names() + self.sgenshi_groups() + + def missing_bundles(self): + """ find bundles listed in Metadata but not implemented in Bundler """ + 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 %s referenced, but does not exist" % + bundle) + + def bundle_names(self): + """ verify bundle name attribute matches filename """ + for bundle in self.core.plugins['Bundler'].entries.values(): + if self.HandlesFile(bundle.name): + 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.LintWarning("Inconsistent bundle name: filename is %s, bundle name is %s" % + (fname, bname)) + + def sgenshi_groups(self): + """ ensure that Genshi Bundles do not include <Group> tags, + which are not supported """ + for bundle in self.core.plugins['Bundler'].entries.values(): + if self.HandlesFile(bundle.name): + if (type(bundle) is + Bcfg2.Server.Plugins.SGenshi.SGenshiTemplateFile): + xdata = lxml.etree.parse(bundle.name) + groups = [self.RenderXML(g) + for g in xdata.getroottree().findall("//Group")] + if groups: + self.LintError("<Group> tag is not allowed in SGenshi Bundle:\n%s" % + "\n".join(groups)) diff --git a/src/lib/Server/Lint/Comments.py b/src/lib/Server/Lint/Comments.py new file mode 100644 index 000000000..0b50df373 --- /dev/null +++ b/src/lib/Server/Lint/Comments.py @@ -0,0 +1,183 @@ +import os.path +import lxml.etree +import Bcfg2.Server.Lint + +class Comments(Bcfg2.Server.Lint.ServerPlugin): + """ check files for various required headers """ + def __init__(self, *args, **kwargs): + Bcfg2.Server.Lint.ServerPlugin.__init__(self, *args, **kwargs) + self.config_cache = {} + + @Bcfg2.Server.Lint.returnErrors + def Run(self): + self.check_bundles() + self.check_properties() + self.check_metadata() + self.check_cfg() + self.check_infoxml() + self.check_probes() + + def required_keywords(self, rtype): + """ given a file type, fetch the list of required VCS keywords + from the bcfg2-lint config """ + return self.required_items(rtype, "keyword", default=["Id"]) + + def required_comments(self, rtype): + """ given a file type, fetch the list of required comments + from the bcfg2-lint config """ + return self.required_items(rtype, "comment") + + def required_items(self, rtype, itype, default=None): + """ given a file type and item type (comment or keyword), + fetch the list of required items from the bcfg2-lint config """ + if itype not in self.config_cache: + self.config_cache[itype] = {} + + if rtype not in self.config_cache[itype]: + rv = [] + global_item = "global_%ss" % itype + if global_item in self.config: + rv.extend(self.config[global_item].split(",")) + elif default is not None: + rv.extend(default) + + item = "%s_%ss" % (rtype.lower(), itype) + if item in self.config: + if self.config[item]: + rv.extend(self.config[item].split(",")) + else: + # config explicitly specifies nothing + rv = [] + self.config_cache[itype][rtype] = rv + return self.config_cache[itype][rtype] + + def check_bundles(self): + """ check bundle files for required headers """ + for bundle in self.core.plugins['Bundler'].entries.values(): + xdata = None + rtype = "" + try: + xdata = lxml.etree.XML(bundle.data) + rtype = "bundler" + except AttributeError: + xdata = lxml.etree.parse(bundle.template.filepath).getroot() + rtype = "sgenshi" + + self.check_xml(bundle.name, xdata, rtype) + + def check_properties(self): + """ check properties files for required headers """ + if 'Properties' in self.core.plugins: + props = self.core.plugins['Properties'] + for propfile, pdata in props.store.entries.items(): + if os.path.splitext(propfile)[1] == ".xml": + self.check_xml(pdata.name, pdata.data, 'properties') + + def check_metadata(self): + """ check metadata files for required headers """ + metadata = self.core.plugins['Metadata'] + if self.has_all_xincludes("groups.xml"): + self.check_xml(os.path.join(metadata.data, "groups.xml"), + metadata.groups_xml.data, + "metadata") + if self.has_all_xincludes("clients.xml"): + self.check_xml(os.path.join(metadata.data, "clients.xml"), + metadata.clients_xml.data, + "metadata") + + def check_cfg(self): + """ check Cfg files for required headers """ + for entryset in self.core.plugins['Cfg'].entries.values(): + for entry in entryset.entries.values(): + if entry.name.endswith(".genshi"): + rtype = "tgenshi" + else: + rtype = "cfg" + self.check_plaintext(entry.name, entry.data, rtype) + + def check_infoxml(self): + """ check info.xml files for required headers """ + for entryset in self.core.plugins['Cfg'].entries.items(): + if hasattr(entryset, "infoxml") and entryset.infoxml is not None: + self.check_xml(entryset.infoxml.name, + entryset.infoxml.pnode.data, + "infoxml") + + def check_probes(self): + """ check probes for required headers """ + if 'Probes' in self.core.plugins: + for probe in self.core.plugins['Probes'].probes.entries.values(): + self.check_plaintext(probe.name, probe.data, "probes") + + def check_xml(self, filename, xdata, rtype): + """ check generic XML files for required headers """ + self.check_lines(filename, + [str(el) + for el in xdata.getiterator(lxml.etree.Comment)], + rtype) + + def check_plaintext(self, filename, data, rtype): + """ check generic plaintex files for required headers """ + self.check_lines(filename, data.splitlines(), rtype) + + def check_lines(self, filename, lines, rtype): + """ generic header check for a set of lines """ + if self.HandlesFile(filename): + # found is trivalent: + # False == not found + # None == found but not expanded + # True == found and expanded + found = dict((k, False) for k in self.required_keywords(rtype)) + + for line in lines: + # we check for both '$<keyword>:' and '$<keyword>$' to see + # if the keyword just hasn't been expanded + for (keyword, status) in found.items(): + if not status: + if '$%s:' % keyword in line: + found[keyword] = True + elif '$%s$' % keyword in line: + found[keyword] = None + + unexpanded = [keyword for (keyword, status) in found.items() + if status is None] + if unexpanded: + self.LintError("%s: Required keywords(s) found but not expanded: %s" % + (filename, ", ".join(unexpanded))) + missing = [keyword for (keyword, status) in found.items() + if status is False] + if missing: + self.LintError("%s: Required keywords(s) not found: %s" % + (filename, ", ".join(missing))) + + # next, check for required comments. found is just + # boolean + found = dict((k, False) for k in self.required_comments(rtype)) + + for line in lines: + for (comment, status) in found.items(): + if not status: + found[comment] = comment in line + + missing = [comment for (comment, status) in found.items() + if status is False] + if missing: + self.LintError("%s: Required comments(s) not found: %s" % + (filename, ", ".join(missing))) + + def has_all_xincludes(self, mfile): + """ return true if self.files includes all XIncludes listed in + the specified metadata type, false otherwise""" + if self.files is None: + return True + else: + path = os.path.join(self.metadata.data, mfile) + if path in self.files: + xdata = lxml.etree.parse(path) + for el in xdata.findall('./{http://www.w3.org/2001/XInclude}include'): + if not self.has_all_xincludes(el.get('href')): + self.LintWarning("Broken XInclude chain: could not include %s" % path) + return False + + return True + diff --git a/src/lib/Server/Lint/Duplicates.py b/src/lib/Server/Lint/Duplicates.py new file mode 100644 index 000000000..c8b542025 --- /dev/null +++ b/src/lib/Server/Lint/Duplicates.py @@ -0,0 +1,79 @@ +import os.path +import lxml.etree +import Bcfg2.Server.Lint + +class Duplicates(Bcfg2.Server.Lint.ServerPlugin): + """ Find duplicate clients, groups, etc. """ + def __init__(self, *args, **kwargs): + Bcfg2.Server.Lint.ServerPlugin.__init__(self, *args, **kwargs) + self.groups_xdata = None + self.clients_xdata = None + self.load_xdata() + + @Bcfg2.Server.Lint.returnErrors + def Run(self): + """ run plugin """ + # only run this plugin if we were not given a list of files. + # not only is it marginally silly to run this plugin with a + # partial list of files, it turns out to be really freaking + # hard to get only a fragment of group or client metadata + if self.groups_xdata is not None: + self.duplicate_groups() + self.duplicate_defaults() + if self.clients_xdata is not None: + self.duplicate_clients() + + def load_xdata(self): + """ attempt to load XML data for groups and clients. only + actually load data if all documents reference in XIncludes can + be found in self.files""" + if self.has_all_xincludes("groups.xml"): + self.groups_xdata = self.metadata.clients_xml.xdata + if self.has_all_xincludes("clients.xml"): + self.clients_xdata = self.metadata.clients_xml.xdata + + def duplicate_groups(self): + """ find duplicate groups """ + self.duplicate_entries(self.clients_xdata.xpath('//Groups/Group'), + 'group') + + def duplicate_clients(self): + """ find duplicate clients """ + self.duplicate_entries(self.clients_xdata.xpath('//Clients/Client'), + 'client') + + def duplicate_entries(self, data, etype): + """ generic duplicate entry finder """ + seen = {} + for el in data: + if el.get('name') not in seen: + seen[el.get('name')] = el + else: + self.LintError("Duplicate %s '%s':\n%s\n%s" % + (etype, el.get('name'), + self.RenderXML(seen[el.get('name')]), + self.RenderXML(el))) + + def duplicate_defaults(self): + """ check for multiple default group definitions """ + default_groups = [g for g in self.groups_xdata.findall('.//Group') + if g.get('default') == 'true'] + if len(default_groups) > 1: + self.LintError("Multiple default groups defined: %s" % + ",".join(default_groups)) + + def has_all_xincludes(self, mfile): + """ return true if self.files includes all XIncludes listed in + the specified metadata type, false otherwise""" + if self.files is None: + return True + else: + path = os.path.join(self.metadata.data, mfile) + if path in self.files: + xdata = lxml.etree.parse(path) + for el in xdata.findall('./{http://www.w3.org/2001/XInclude}include'): + if not self.has_all_xincludes(el.get('href')): + self.LintWarning("Broken XInclude chain: could not include %s" % path) + return False + + return True diff --git a/src/lib/Server/Lint/InfoXML.py b/src/lib/Server/Lint/InfoXML.py new file mode 100644 index 000000000..097c2d6f9 --- /dev/null +++ b/src/lib/Server/Lint/InfoXML.py @@ -0,0 +1,38 @@ +import os.path +import Bcfg2.Options +import Bcfg2.Server.Lint + +class InfoXML(Bcfg2.Server.Lint.ServerPlugin): + """ ensure that all config files have an info.xml file""" + + @Bcfg2.Server.Lint.returnErrors + def Run(self): + for filename, entryset in self.core.plugins['Cfg'].entries.items(): + infoxml_fname = os.path.join(entryset.path, "info.xml") + if self.HandlesFile(infoxml_fname): + if (hasattr(entryset, "infoxml") and + entryset.infoxml is not None): + xdata = entryset.infoxml.pnode.data + for info in xdata.getroottree().findall("//Info"): + required = ["owner", "group", "perms"] + if "required" in self.config: + required = self.config["required"].split(",") + + missing = [attr for attr in required + if info.get(attr) is None] + if missing: + self.LintError("Required attribute(s) %s not found in %s:%s" % + (",".join(missing), infoxml_fname, + self.RenderXML(info))) + + if ("require_paranoid" in self.config and + self.config["require_paranoid"].lower() == "true" and + not Bcfg2.Options.MDATA_PARANOID.value and + info.get("paranoid").lower() != "true"): + self.LintError("Paranoid must be true in %s:%s" % + (infoxml_fname, + self.RenderXML(info))) + elif ("require" in self.config and + self.config["require"].lower != "false"): + self.LintError("No info.xml found for %s" % filename) + diff --git a/src/lib/Server/Lint/Pkgmgr.py b/src/lib/Server/Lint/Pkgmgr.py new file mode 100644 index 000000000..28ca698bd --- /dev/null +++ b/src/lib/Server/Lint/Pkgmgr.py @@ -0,0 +1,33 @@ +import Bcfg2.Server.Lint + +class Pkgmgr(Bcfg2.Server.Lint.ServerPlugin): + """ find duplicate Pkgmgr entries with the same priority """ + + @Bcfg2.Server.Lint.returnErrors + def Run(self): + pset = set() + for plist in self.core.plugins['Pkgmgr'].entries.values(): + if self.HandlesFile(plist.name): + xdata = plist.data + # get priority, type, group + priority = xdata.getroot().get('priority') + ptype = xdata.getroot().get('type') + for pkg in xdata.findall("//Package"): + if pkg.getparent().tag == 'Group': + grp = pkg.getparent().get('name') + if (type(grp) is not str and + grp.getparent().tag == 'Group'): + pgrp = grp.getparent().get('name') + else: + pgrp = 'none' + else: + grp = 'none' + pgrp = 'none' + ptuple = (pkg.get('name'), priority, ptype, grp, pgrp) + # check if package is already listed with same + # priority, type, grp + if ptuple in pset: + self.LintWarning("Duplicate Package %s, priority:%s, type:%s" % + (pkg.get('name'), priority, ptype)) + else: + pset.add(ptuple) diff --git a/src/lib/Server/Lint/RequiredAttrs.py b/src/lib/Server/Lint/RequiredAttrs.py new file mode 100644 index 000000000..7215fe163 --- /dev/null +++ b/src/lib/Server/Lint/RequiredAttrs.py @@ -0,0 +1,69 @@ +import os.path +import lxml.etree +import Bcfg2.Server.Lint + +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 = { + 'device': ['name', 'owner', 'group', 'dev_type'], + 'directory': ['name', 'owner', 'group', 'perms'], + 'file': ['name', 'owner', 'group', 'perms'], + 'hardlink': ['name', 'to'], + 'symlink': ['name', 'to'], + 'ignore': ['name'], + 'nonexistent': ['name'], + 'permissions': ['name', 'owner', 'group', 'perms']} + + @Bcfg2.Server.Lint.returnErrors + def Run(self): + self.check_rules() + self.check_bundles() + + 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 """ + for bundle in self.core.plugins['Bundler'].entries.values(): + try: + xdata = lxml.etree.XML(bundle.data) + except AttributeError: + xdata = lxml.etree.parse(bundle.template.filepath).getroot() + + for path in xdata.xpath("//BoundPath"): + self.check_entry(path, bundle.name) + + def check_entry(self, entry, filename): + """ generic entry check """ + if self.HandlesFile(filename): + pathname = entry.get('name') + pathtype = entry.get('type') + pathset = set(entry.attrib.keys()) + try: + required_attrs = set(self.required_attrs[pathtype] + ['type']) + except KeyError: + self.LintError("Unknown path type %s: %s" % + (pathtype, self.RenderXML(entry))) + + 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 not pathset.issuperset(required_attrs): + self.LintError("The required attributes %s are missing for %s %sin %s:\n%s" % + (",".join([attr + for attr in + required_attrs.difference(pathset)]), + entry.tag, pathname, filename, + self.RenderXML(entry))) diff --git a/src/lib/Server/Lint/Validate.py b/src/lib/Server/Lint/Validate.py new file mode 100644 index 000000000..bb5af93f4 --- /dev/null +++ b/src/lib/Server/Lint/Validate.py @@ -0,0 +1,185 @@ +import glob +import lxml.etree +import os +import fnmatch +import Bcfg2.Options +import Bcfg2.Server.Lint +from subprocess import Popen, PIPE, STDOUT + +class Validate(Bcfg2.Server.Lint.ServerlessPlugin): + """ Ensure that the repo validates """ + + def __init__(self, *args, **kwargs): + Bcfg2.Server.Lint.ServerlessPlugin.__init__(self, *args, **kwargs) + self.filesets = {"metadata:groups":"%s/metadata.xsd", + "metadata:clients":"%s/clients.xsd", + "info":"%s/info.xsd", + "%s/Bundler/*.{xml,genshi}":"%s/bundle.xsd", + "%s/Pkgmgr/*.xml":"%s/pkglist.xsd", + "%s/Base/*.xml":"%s/base.xsd", + "%s/Rules/*.xml":"%s/rules.xsd", + "%s/etc/report-configuration.xml":"%s/report-configuration.xsd", + "%s/Svcmgr/*.xml":"%s/services.xsd", + "%s/Deps/*.xml":"%s/deps.xsd", + "%s/Decisions/*.xml":"%s/decisions.xsd", + "%s/Packages/config.xml":"%s/packages.xsd", + "%s/GroupPatterns/config.xml":"%s/grouppatterns.xsd"} + + self.filelists = {} + self.get_filelists() + + @Bcfg2.Server.Lint.returnErrors + def Run(self): + self.schemadir = self.config['schema'] + + for schemaname, path in self.filesets.items(): + try: + filelist = self.filelists[path] + except KeyError: + filelist = [] + + if filelist: + # avoid loading schemas for empty file lists + try: + schema = lxml.etree.XMLSchema(lxml.etree.parse(schemaname % + schemadir)) + except: + self.LintWarning("Failed to process schema %s", + schemaname % schemadir) + continue + for filename in filelist: + self.validate(filename, schemaname % schemadir, + schema=schema) + + self.check_properties() + + def check_properties(self): + """ check Properties files against their schemas """ + alert = self.logger.debug + if "properties_schema" in self.config: + if self.config['properties_schema'].lower().startswith('warn'): + alert = self.LintWarning + elif self.config['properties_schema'].lower().startswith('require'): + alert = self.LintError + + for filename in self.filelists['props']: + schemafile = "%s.xsd" % os.path.splitext(filename)[0] + if os.path.exists(schemafile): + self.validate(filename, schemafile) + else: + alert("No schema found for %s" % filename) + + def validate(self, filename, schemafile, schema=None): + """validate a file against the given lxml.etree.Schema. + return True on success, False on failure """ + if schema is None: + # if no schema object was provided, instantiate one + try: + schema = lxml.etree.XMLSchema(lxml.etree.parse(schemafile)) + except: + self.LintWarning("Failed to process schema %s" % schemafile) + return False + + try: + datafile = lxml.etree.parse(filename) + except SyntaxError: + lint = Popen(["xmllint", filename], stdout=PIPE, stderr=STDOUT) + self.LintError("%s fails to parse:\n%s" % (filename, + lint.communicate()[0])) + lint.wait() + return False + except IOError: + self.LintError("Failed to open file %s" % filename) + return False + + if not schema.validate(datafile): + cmd = ["xmllint"] + if self.files is None: + cmd.append("--xinclude") + cmd.extend(["--noout", "--schema", schemafile, filename]) + lint = Popen(cmd, stdout=PIPE, stderr=STDOUT) + output = lint.communicate()[0] + if lint.wait(): + self.LintError("%s fails to verify:\n%s" % (filename, output)) + return False + return True + + def get_filelists(self): + """ get lists of different kinds of files to validate """ + if self.files is not None: + listfiles = lambda p: fnmatch.filter(self.files, p % "*") + else: + listfiles = lambda p: glob.glob(p % self.config['repo']) + + for path in self.filesets.keys(): + if path.startswith("metadata:"): + mtype = path.split(":")[1] + self.filelists[path] = self.get_metadata_list(mtype) + elif path == "info": + if self.files is not None: + self.filelists[path] = \ + [f for f in self.files + if os.path.basename(f) == 'info.xml'] + else: # self.files is None + self.filelists[path] = [] + for infodir in ['Cfg', 'TGenshi', 'TCheetah']: + for root, dirs, files in os.walk('%s/%s' % + (self.config['repo'], + infodir)): + self.filelists[path].extend([os.path.join(root, f) + for f in files + if f == 'info.xml']) + else: + self.filelists[path] = listfiles(path) + + self.filelists['props'] = listfiles("%s/Properties/*.xml") + all_metadata = listfiles("%s/Metadata/*.xml") + + # if there are other files in Metadata that aren't xincluded + # from clients.xml or groups.xml, we can't verify them. warn + # about those. + for fname in all_metadata: + if (fname not in self.filelists['metadata:groups'] and + fname not in self.filelists['metadata:clients']): + self.LintWarning("Broken XInclude chain: Could not determine file type of %s" % fname) + + def get_metadata_list(self, mtype): + """ get all metadata files for the specified type (clients or + group) """ + if self.files is not None: + rv = fnmatch.filter(self.files, "*/Metadata/%s.xml" % mtype) + else: + rv = glob.glob("%s/Metadata/%s.xml" % (self.config['repo'], mtype)) + + # attempt to follow XIncludes. if the top-level files aren't + # listed in self.files, though, there's really nothing we can + # do to guess what a file in Metadata is + if rv: + rv.extend(self.follow_xinclude(rv[0])) + + return rv + + def follow_xinclude(self, xfile): + """ follow xincludes in the given file """ + xdata = lxml.etree.parse(xfile) + included = set([ent.get('href') for ent in + xdata.findall('./{http://www.w3.org/2001/XInclude}include')]) + rv = [] + + while included: + try: + filename = included.pop() + except KeyError: + continue + + path = os.path.join(os.path.dirname(xfile), filename) + if self.HandlesFile(path): + rv.append(path) + groupdata = lxml.etree.parse(path) + [included.add(el.get('href')) + for el in + groupdata.findall('./{http://www.w3.org/2001/XInclude}include')] + included.discard(filename) + + return rv + diff --git a/src/lib/Server/Lint/__init__.py b/src/lib/Server/Lint/__init__.py new file mode 100644 index 000000000..4e6d03fb5 --- /dev/null +++ b/src/lib/Server/Lint/__init__.py @@ -0,0 +1,90 @@ +__revision__ = '$Revision$' + +__all__ = ['Bundles', + 'Comments', + 'Duplicates', + 'InfoXML', + 'Pkgmgr', + 'RequiredAttrs', + 'Validate'] + +import logging +import os.path +from copy import copy +import lxml.etree +import Bcfg2.Logger + +def returnErrors(fn): + """ Decorator for Run method that returns error counts """ + def run(self, *args, **kwargs): + fn(self, *args, **kwargs) + return (self.error_count, self.warning_count) + + return run + +class Plugin (object): + """ base class for ServerlessPlugin and ServerPlugin """ + def __init__(self, config, files=None): + self.files = files + self.error_count = 0 + self.warning_count = 0 + self.config = config + Bcfg2.Logger.setup_logging('bcfg2-info', to_syslog=False) + self.logger = logging.getLogger('bcfg2-lint') + + def Run(self): + """ run the plugin. must be overloaded by child classes """ + pass + + def HandlesFile(self, fname): + """ returns true if the given file should be handled by the + plugin according to the files list, false otherwise """ + return (self.files is None or + fname in self.files or + os.path.join(self.config['repo'], fname) in self.files or + os.path.abspath(fname) in self.files or + os.path.abspath(os.path.join(self.config['repo'], + fname)) in self.files) + + def LintError(self, msg): + """ log an error condition """ + self.error_count += 1 + lines = msg.splitlines() + self.logger.error("ERROR: %s" % lines.pop()) + [self.logger.error(" %s" % l) for l in lines] + + def LintWarning(self, msg): + """ log a warning condition """ + self.warning_count += 1 + lines = msg.splitlines() + self.logger.warning("WARNING: %s" % lines.pop()) + [self.logger.warning(" %s" % l) for l in lines] + + def RenderXML(self, element): + """render an XML element for error output -- line number + prefixed, no children""" + xml = None + if len(element) or element.text: + el = copy(element) + if el.text: + el.text = '...' + [el.remove(c) for c in el.iterchildren()] + xml = lxml.etree.tostring(el).strip() + else: + xml = lxml.etree.tostring(element).strip() + return " line %s: %s" % (element.sourceline, xml) + +class ServerlessPlugin (Plugin): + """ base class for plugins that are run before the server starts + up (i.e., plugins that check things that may prevent the server + from starting up) """ + pass + +class ServerPlugin (Plugin): + """ base class for plugins that check things that require the + running Bcfg2 server """ + def __init__(self, lintCore, config, files=None): + Plugin.__init__(self, config, files=files) + self.core = lintCore + self.logger = self.core.logger + self.metadata = self.core.metadata |