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
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
|
#!/usr/bin/env python
# $Id$
#
# Copyright (C) 2013-2014 Dragon Research Labs ("DRL")
# Portions copyright (C) 2011-2012 Internet Systems Consortium ("ISC")
#
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notices and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND DRL AND ISC DISCLAIM ALL
# WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DRL OR
# ISC BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
# DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA
# OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
# TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
# PERFORMANCE OF THIS SOFTWARE.
"""
Parse rcynic XML output, stuff the data that validation_status script
would print into an SQL database for subsequent analysis.
"""
import os
import sys
import time
import mailbox
import sqlite3
import argparse
import lxml.etree
import subprocess
class Parser(object):
@staticmethod
def main():
parser = argparse.ArgumentParser(
description = __doc__,
formatter_class = argparse.ArgumentDefaultsHelpFormatter)
group = parser.add_mutually_exclusive_group(required = True)
group.add_argument("--mailbox", "--mb",
help = "Maildir mailbox containing rcynic XML output")
group.add_argument("--tarballs",
help = "directory tree of tar files containing containing rcynic XML output")
parser.add_argument("--database", "--db",
default = "validation-status-sql.db",
help = "SQLite3 database")
parser.add_argument("--path-within-tarball",
default = "var/rcynic/data/rcynic.xml",
help = "rcynic.xml path name within tarball(s)")
parser.add_argument("--tar-extensions", nargs = "+",
default = ".tar .tar.gz .tgz .tar.bz2 .tbz .tar.xz .txz".split(),
help = "extensions to recognize as indicating tar files")
args = parser.parse_args()
if args.mailbox:
ParserMailbox(args)
else:
ParserTarball(args)
def __init__(self, args):
self.args = args
self.init_sql()
self.init_hook()
self.index1()
self.parsed = 1
for self.current, self.iterval in enumerate(self.iterator, 1):
self.parse_xml()
if self.parsed > 1:
sys.stderr.write("\n")
self.index2()
self.db.close()
def init_sql(self):
creating = not os.path.exists(self.args.database)
self.db = sqlite3.connect(self.args.database)
self.db.text_factory = str
self.db.executescript('''
PRAGMA foreign_keys = off;
PRAGMA synchronous = off;
PRAGMA count_changes = off;
''')
if creating:
self.db.executescript('''
CREATE TABLE sessions (
session_id INTEGER PRIMARY KEY NOT NULL,
session DATETIME NOT NULL,
handle TEXT NOT NULL
);
CREATE TABLE uris (
uri_id INTEGER PRIMARY KEY NOT NULL,
uri TEXT NOT NULL
);
CREATE TABLE codes (
code_id INTEGER PRIMARY KEY NOT NULL,
code TEXT NOT NULL
);
CREATE TABLE generations (
generation_id INTEGER PRIMARY KEY NOT NULL,
generation TEXT NOT NULL
);
CREATE TABLE events (
id INTEGER PRIMARY KEY NOT NULL,
timestamp DATETIME NOT NULL,
session_id INTEGER NOT NULL REFERENCES sessions (session_id) ON DELETE RESTRICT ON UPDATE RESTRICT,
generation_id INTEGER NOT NULL REFERENCES generations (generation_id) ON DELETE RESTRICT ON UPDATE RESTRICT,
code_id INTEGER NOT NULL REFERENCES codes (code_id) ON DELETE RESTRICT ON UPDATE RESTRICT,
uri_id INTEGER NOT NULL REFERENCES uris (uri_id) ON DELETE RESTRICT ON UPDATE RESTRICT
);
CREATE VIEW status AS
SELECT id, handle, session, timestamp, generation, code, uri
FROM events
NATURAL JOIN sessions
NATURAL JOIN uris
NATURAL JOIN codes
NATURAL JOIN generations;
''')
def index1(self):
self.db.executescript('''
CREATE UNIQUE INDEX IF NOT EXISTS sessions_index ON sessions (session);
CREATE UNIQUE INDEX IF NOT EXISTS handles_index ON sessions (handle);
CREATE UNIQUE INDEX IF NOT EXISTS uris_index ON uris (uri);
CREATE UNIQUE INDEX IF NOT EXISTS codes_index ON codes (code);
CREATE UNIQUE INDEX IF NOT EXISTS generations_index ON generations (generation);
''')
def index2(self):
self.db.executescript('''
CREATE UNIQUE INDEX IF NOT EXISTS events_index ON events (uri_id, timestamp, code_id, generation_id);
''')
def string_id(self, table, value):
field = table.rstrip("s")
try:
return self.db.execute("SELECT %s_id FROM %s WHERE %s = ?" % (field, table, field), (value,)).fetchone()[0]
except:
return self.db.execute("INSERT INTO %s (%s) VALUES (?)" % (table, field), (value,)).lastrowid
def parse_xml(self):
sys.stderr.write("\r%s %d/%d/%d...%s " % ("|\\-/"[self.current & 3],
self.current, self.parsed, self.total, self.handle))
if self.db.execute("SELECT handle FROM sessions WHERE handle = ?", (self.handle,)).fetchone():
return
xml = self.read_xml()
with self.db:
session_id = self.db.execute("INSERT INTO sessions (session, handle) VALUES (strftime('%s', ?), ?)",
(xml.get("date"), self.handle)).lastrowid
self.db.executemany("INSERT INTO events (session_id, timestamp, generation_id, code_id, uri_id) "
"VALUES (?, strftime('%s', ?), ?, ?, ?)",
((session_id,
x.get("timestamp"),
self.string_id("generations", x.get("generation", "none")),
self.string_id("codes", x.get("status")),
self.string_id("uris", x.text.strip()))
for x in xml.findall("validation_status")))
self.parsed += 1
class ParserTarball(Parser):
def init_hook(self):
self.total = 0
for fn in self.iter_tarball_names():
self.total += 1
self.iterator = self.iter_tarball_names()
@property
def handle(self):
return self.iterval
def read_xml(self):
return lxml.etree.ElementTree(
file = subprocess.Popen(("tar", "Oxf", self.iterval, self.args.path_within_tarball),
stdout = subprocess.PIPE).stdout).getroot()
def iter_tarball_names(self):
if os.path.isdir(self.args.tarballs):
for root, dirs, files in os.walk(self.args.tarballs):
for fn in files:
if any(fn.endswith(ext) for ext in self.args.tar_extensions):
yield os.path.join(root, fn)
else:
yield self.args.tarballs
class ParserMailbox(Parser):
def init_hook(self):
self.mb = mailbox.Maildir(self.args.mailbox, factory = None, create = False)
self.total = len(self.mb)
self.iterator = self.mb.iterkeys()
@property
def handle(self):
return self.mb[self.iterval].get("Message-ID")
def read_xml(self):
return lxml.etree.XML(self.mb[self.iterval].get_payload())
if __name__ == "__main__":
try:
Parser.main()
except KeyboardInterrupt:
pass
|
