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#!/usr/bin/python
import os
import re
import ConfigParser
import random
import sqlite3
from webob import Request
from subprocess import *
REQUIRED_FILES = ["architecture", "coredump", "release"]
DF_BIN = "/bin/df"
DU_BIN = "/usr/bin/du"
TAR_BIN = "/bin/tar"
XZ_BIN = "/usr/bin/xz"
TASKID_PARSER = re.compile("^.*/([0-9]+)/*$")
PACKAGE_PARSER = re.compile("^(.+)-([0-9]+(\.[0-9]+)*-[0-9]+)\.([^-]+)$")
DF_OUTPUT_PARSER = re.compile("^([^ ^\t]*)[ \t]+([0-9]+)[ \t]+([0-9]+)[ \t]+([0-9]+)[ \t]+([0-9]+%)[ \t]+(.*)$")
DU_OUTPUT_PARSER = re.compile("^([0-9]+)")
XZ_OUTPUT_PARSER = re.compile("^totals[ \t]+([0-9]+)[ \t]+([0-9]+)[ \t]+([0-9]+)[ \t]+([0-9]+)[ \t]+([0-9]+\.[0-9]+)[ \t]+([^ ^\t]+)[ \t]+([0-9]+)")
URL_PARSER = re.compile("^/([0-9]+)/?")
RELEASE_PARSERS = {
"fedora": re.compile("^Fedora[^0-9]+([0-9]+)[^\(]\(([^\)]+)\)$"),
}
TASKPASS_ALPHABET = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
CONFIG_FILE = "/etc/abrt/retrace.conf"
CONFIG = {
"TaskIdLength": 9,
"TaskPassLength": 32,
"MaxParallelTasks": 10,
"MaxPackedSize": 30,
"MaxUnpackedSize": 600,
"MinStorageLeft": 10240,
"DeleteTaskAfter": 120,
"LogDir": "/var/log/abrt-retrace",
"RepoDir": "/var/cache/abrt-retrace",
"SaveDir": "/var/spool/abrt-retrace",
"WorkDir": "/tmp/abrt-retrace",
"UseWorkDir": False,
"DBFile": "stats.db",
}
def read_config():
parser = ConfigParser.ConfigParser()
parser.read(CONFIG_FILE)
for key in CONFIG.keys():
vartype = type(CONFIG[key])
if vartype is int:
get = parser.getint
elif vartype is bool:
get = parser.getboolean
elif vartype is float:
get = parser.getfloat
else:
get = parser.get
try:
CONFIG[key] = get("retrace", key)
except:
pass
def free_space(path):
pipe = Popen([DF_BIN, path], stdout=PIPE).stdout
for line in pipe.readlines():
match = DF_OUTPUT_PARSER.match(line)
if match:
pipe.close()
return 1024 * int(match.group(4))
pipe.close()
return None
def dir_size(path):
pipe = Popen([DU_BIN, "-s", path], stdout=PIPE).stdout
for line in pipe.readlines():
match = DU_OUTPUT_PARSER.match(line)
if match:
pipe.close()
return 1024 * int(match.group(1))
pipe.close()
return 0
def unpacked_size(archive):
pipe = Popen([XZ_BIN, "--list", "--robot", archive], stdout=PIPE).stdout
for line in pipe.readlines():
match = XZ_OUTPUT_PARSER.match(line)
if match:
pipe.close()
return int(match.group(4))
pipe.close()
return None
def gen_task_password(taskdir):
generator = random.SystemRandom()
taskpass = ""
for j in xrange(CONFIG["TaskPassLength"]):
taskpass += generator.choice(TASKPASS_ALPHABET)
try:
passfile = open("%s/password" % taskdir, "w")
passfile.write(taskpass)
passfile.close()
except:
return None
return taskpass
def get_task_est_time(taskdir):
return 180
def new_task():
i = 0
newdir = CONFIG["SaveDir"]
while os.path.exists(newdir) and i < 50:
i += 1
taskid = random.randint(pow(10, CONFIG["TaskIdLength"] - 1), pow(10, CONFIG["TaskIdLength"]) - 1)
newdir = "%s/%d" % (CONFIG["SaveDir"], taskid)
try:
os.mkdir(newdir)
taskpass = gen_task_password(newdir)
if not taskpass:
Popen(["rm", "-rf", newdir])
raise Exception
return taskid, taskpass, newdir
except:
return None, None, None
def unpack(archive):
pipe = Popen([TAR_BIN, "xJf", archive])
pipe.wait()
return pipe.returncode
def response(start_response, status, body="", extra_headers=[]):
start_response(status, [("Content-Type", "text/plain"), ("Content-Length", "%d" % len(body))] + extra_headers)
return [body]
def get_active_tasks():
tasks = []
if CONFIG["UseWorkDir"]:
tasksdir = CONFIG["WorkDir"]
else:
tasksdir = CONFIG["SaveDir"]
for filename in os.listdir(tasksdir):
if len(filename) != CONFIG["TaskIdLength"]:
continue
try:
taskid = int(filename)
except:
continue
path = "%s/%s" % (tasksdir, filename)
if os.path.isdir(path) and not os.path.isfile("%s/retrace_log" % path):
tasks.append(taskid)
return tasks
def init_crashstats_db():
try:
con = sqlite3.connect("%s/%s" % (CONFIG["SaveDir"], CONFIG["DBFile"]))
query = con.cursor()
query.execute("""
CREATE TABLE IF NOT EXISTS
retracestats(
taskid INT NOT NULL,
package VARCHAR(255) NOT NULL,
version VARCHAR(16) NOT NULL,
release VARCHAR(16) NOT NULL,
arch VARCHAR(8) NOT NULL,
starttime INT NOT NULL,
duration INT NOT NULL,
prerunning TINYINT NOT NULL,
postrunning TINYINT NOT NULL,
chrootsize BIGINT NOT NULL
)
""")
con.commit()
con.close()
return True
except:
return False
def save_crashstats(crashstats):
try:
con = sqlite3.connect("%s/%s" % (CONFIG["SaveDir"], CONFIG["DBFile"]))
query = con.cursor()
query.execute("""
INSERT INTO retracestats(taskid, package, version, release, arch,
starttime, duration, prerunning, postrunning, chrootsize)
VALUES(?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
""",
(crashstats["taskid"], crashstats["package"], crashstats["version"],
crashstats["release"], crashstats["arch"], crashstats["starttime"],
crashstats["duration"], crashstats["prerunning"],
crashstats["postrunning"], crashstats["chrootsize"])
)
con.commit()
con.close()
return True
except:
return False
class logger():
def __init__(self, taskid):
"Starts logging into savedir."
self._logfile = open("%s/%s/log" % (CONFIG["SaveDir"], taskid), "w")
def write(self, msg):
"Writes msg into log file."
if not self._logfile.closed:
self._logfile.write(msg)
self._logfile.flush()
def close(self):
"Finishes logging and renames file to retrace_log."
if not self._logfile.closed:
self._logfile.close()
os.rename(self._logfile.name, self._logfile.name.replace("/log", "/retrace_log"))
### read config on import ###
read_config()
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