以下のスクリプトは、root としてログインしてコマンド ラインから実行するとうまく機能しますが、Ubuntu 10.04 で /etc/rc.local を使用して最初の起動時に実行すると、約 25% の確率で失敗します (システム ルート、mysql ルート、および一部の mysql ユーザー パスワードは正しく設定されていますが、そのうちの 1 つは、標準の mysql ログイン エラーを報告するコンソール ログで失敗します。
環境変数など、考慮すべき init ジョブからの Python スクリプトの実行について何かありますか?
#!/usr/bin/env python
# Randomizes and outputs to files the system root and mysql user passwords
files = ['/home/ubuntu/passwords','/opt/data1/alfresco/extensions/
extension/alfresco-global.properties','/opt/data/etc/mysql/
debian.cnf','/home/ubuntu/duncil']
userpasswords = {'root':'ROOTPASSWORD'}
mysqlpasswords =
{'root':'MYSQLPASSWORD','alfresco':'alfrescoPASSWORD','debian-sys-
maint':'debian-sys-maintPASSWORD'}
otherpasswords = ['OTHERPASSWORD']
log = '/var/log/firstrun'
import random, string
import crypt
import re
from subprocess import PIPE, Popen
def getsalt(chars = string.letters + string.digits):
# generate a random 2-character 'salt'
return random.choice(chars) + random.choice(chars)
def getpwd(chars = string.letters + string.digits, len = 12):
retval = "";
for i in range(0, len):
# generate 12 character alphanumeric password
retval += random.choice(chars)
return retval
def replace_pass(filename):
handle = open(filename, 'r')
hbuf = handle.read()
handle.close()
for placeholder, password in pdict.iteritems():
hbuf = re.sub(placeholder, password, hbuf)
try:
# Output file
handle = open(filename, 'w')
handle.write(hbuf)
handle.close()
except:
pass
#logh.write('failed to update ' + filename + "\n")
#logh.write('maybe you don\'t have permision to write to it?\n')
logh = open(log, "a")
logh.write("Starting...\n")
# Generate passwords
pdict = {}
for user, placeholder in userpasswords.iteritems():
syspass = getpwd()
Popen(['usermod', '--password', crypt.crypt(syspass, getsalt()), user])
logh.write(placeholder + ": User " + user + " --> " + syspass + "\n")
pdict[placeholder] = syspass
# Whats the MySQL Root password placeholder?
mplace = mysqlpasswords['root']
for user, placeholder in mysqlpasswords.iteritems():
mpass = getpwd()
if (("root" in mysqlpasswords) and (mysqlpasswords['root'] in pdict)):
mrootpass = pdict[mysqlpasswords['root']]
else:
mrootpass = ""
Popen(['mysql', '-uroot', "--password=" + mrootpass, "-e", "UPDATE user SET Password = PASSWORD('" + mpass + "') WHERE User = '" + user + "';FLUSH PRIVILEGES;","mysql"])
logh.write(placeholder + ": MySQL " + user + " --> " + mpass + "\n")
pdict[placeholder] = mpass
for placeholder in otherpasswords:
opass = getpwd()
logh.write(placeholder + ": " + opass + "\n")
pdict[placeholder] = opass
# Update passwords
for file in files:
logh.write("Replacing placeholders in " + file + "\n")
replace_pass(file)
logh.write("Finished\n")
logh.close