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#!/usr/bin/env python
import sys
import time
import re
import MySQLdb
import os.path
# run as
# [tcallaghan@mork ~]$ tokufilecheck.py --socket=/tmp/tmc.sock --user=root --datadir=$DB_DIR/data/
def usage():
print "check for filesystem issues"
print "[--socket=SOCKET]"
print "[--port=PORT]"
print "[--user=USERNAME]"
print "[--password=PASSWORD]"
print "[--datadir=<full-path-to-mysql-data-directory>]"
return 1
# check that each file in our file map exists in the file system
def check_file_map(rs, datadir):
print "checking that all files in our file map exist in the file system"
filesExisting = 0
filesMissing = 0
for t in rs:
dictName = t[0]
fileName = t[1]
if os.path.isfile(os.path.join(datadir, fileName)):
#print datadir + fileName + " exists"
filesExisting += 1
else:
print " *** " + datadir + fileName + " is missing"
filesMissing += 1
print " %d file(s) found | %d file(s) missing." % (filesExisting, filesMissing)
# check if a .tokudb file exists in our file map
def lookup_tokudb(rs, checkFileName):
fileExists = False
for t in rs:
if (t[1] == checkFileName):
fileExists = True
break
return fileExists
# check that all .frm files exist
def check_frm(rs, datadir):
print "checking that all .frm files exist"
filesExisting = 0
filesMissing = 0
for t in rs:
databaseName = t[0]
tableName = t[1]
storageEngine = t[2]
if os.path.isfile(os.path.join(datadir + os.sep + databaseName, tableName + '.frm')):
#print datadir + fileName + " exists"
filesExisting += 1
else:
print " *** missing FRM file for table " + tableName + " in database " + databaseName
filesMissing += 1
print " %d file(s) found | %d file(s) missing." % (filesExisting, filesMissing)
# check if a .tokudb file exists in our file map
def lookup_frm(rs, tableName, dbName):
frmExists = False
for t in rs:
if ((t[0] == dbName) and (t[1] == tableName)):
frmExists = True
break
return frmExists
def main():
host = "localhost"
socket = None
port = None
user = None
passwd = None
datadir = "./"
for a in sys.argv[1:]:
if a == "-h" or a == "-?" or a == "--help":
return usage()
match = re.match("--(.*)=(.*)", a)
if match:
exec "%s='%s'" % (match.group(1),match.group(2))
continue
return usage()
connect_parameters = {}
if socket is not None:
connect_parameters['unix_socket'] = socket
if port is not None:
connect_parameters['host'] = host
connect_parameters['port'] = int(port)
if user is not None:
connect_parameters['user'] = user
if passwd is not None:
connect_parameters['passwd'] = passwd
datadir = os.path.normpath(datadir) + os.sep
try:
db = MySQLdb.connect(**connect_parameters)
except:
print sys.exc_info()
return 1
print "connected to MySQL"
print "retrieving file map"
try:
q = 'select * from information_schema.tokudb_file_map'
c = db.cursor()
n = c.execute(q)
rsFileMap = c.fetchall()
db.commit()
c.close()
except MySQLdb.Error, e:
print " ** Error %d: %s" % (e.args[0], e.args[1])
return 2
except:
print "db", sys.exc_info()
return 2
print "retrieving full table listing"
try:
q = "select table_schema, table_name, engine from information_schema.tables where table_schema != 'information_schema'"
c = db.cursor()
n = c.execute(q)
rsTables = c.fetchall()
db.commit()
c.close()
except MySQLdb.Error, e:
print " ** Error %d: %s" % (e.args[0], e.args[1])
return 2
except:
print "db", sys.exc_info()
return 2
check_file_map(rsFileMap, datadir);
check_frm(rsTables, datadir);
print "checking for extra .frm and/or .tokudb files"
extraFrm = 0
extraTokudb = 0
for (path, dirs, files) in os.walk(datadir):
for file in files:
if (file.endswith('.frm')):
tableName = os.path.splitext(file)[0]
dbName = os.path.basename(os.path.normpath(path))
if not lookup_frm(rsTables, tableName, dbName):
extraFrm += 1
print "found .frm file for tableName / dbName = %s / %s" % (tableName, dbName)
if (file.endswith('.tokudb')):
# check that it exists in rsFileMap
checkFileName = "./" + file
if not lookup_tokudb(rsFileMap, checkFileName):
extraTokudb += 1
print " ** found extra .tokudb file %s" % (checkFileName)
print " %d unmatched .frm file(s) found" % (extraFrm)
print " %d unmatched .tokudb file(s) found" % (extraTokudb)
return 0
sys.exit(main())
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