1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
|
import os
import lxml.etree
import Bcfg2.Server.Lint
from Bcfg2.Server import XI, XI_NAMESPACE
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 = {}
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")
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):
""" 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(","))
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 """
if 'Bundler' in self.core.plugins:
for bundle in self.core.plugins['Bundler'].entries.values():
xdata = None
rtype = ""
try:
xdata = lxml.etree.XML(bundle.data)
rtype = "bundler"
except (lxml.etree.XMLSyntaxError, 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.xdata, 'properties')
def check_metadata(self):
""" check metadata files for required headers """
if self.has_all_xincludes("groups.xml"):
self.check_xml(os.path.join(self.metadata.data, "groups.xml"),
self.metadata.groups_xml.data,
"metadata")
if self.has_all_xincludes("clients.xml"):
self.check_xml(os.path.join(self.metadata.data, "clients.xml"),
self.metadata.clients_xml.data,
"metadata")
def check_cfg(self):
""" check Cfg files for required headers """
if 'Cfg' in self.core.plugins:
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 """
if 'Cfg' in self.core.plugins:
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("unexpanded-keywords",
"%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("keywords-not-found",
"%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("comments-not-found",
"%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('./%sinclude' % XI_NAMESPACE):
if not self.has_all_xincludes(el.get('href')):
self.LintError("broken-xinclude-chain",
"Broken XInclude chain: could not include %s" % path)
return False
return True
|
