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.The `ipa-backup` command fails to create a backup on RHEL 7
Due to recent modifications, the `ipa-backup` utility is only compatible with Python 3. However, RHEL 7 uses Python 2. As a consequence, the `ipa-backup` command fails while creating a backup on RHEL 7 and returns an error instead.
Comment 3Florence Blanc-Renaud
2019-10-16 14:58:15 UTC
The issue happens on python2 only. The interface on python2 is the following:
os.mkdir(path[, mode])
while on python3:
os.mkdir(path, mode=0o777, *, dir_fd=None)
The regression was added with commit e6415ec3210cda0808867642cb19f0df1ddd3c45 on branches master, ipa-4-8, ipa-4-7 and ipa-4-6, but does not raise any issue on platforms using python3.
Comment 4Florence Blanc-Renaud
2019-10-16 15:01:20 UTC
Comment 9Alexander Bokovoy
2019-10-24 14:42:15 UTC
(In reply to Mike McGrath from comment #8)
> Is there a known workaround for this?
Unfortunately, not. It is Python 2 versus Python 3 API change. Python 3 supports both old and new way of specifying permissions but Python 2 only supports the old one, as an argument and not a keyword. A fix is one-liner.
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://access.redhat.com/errata/RHBA-2020:1083
Description of problem: ipa-backup command is failing on rhel-7.8 Version-Release number of selected component (if applicable): cat /etc/redhat-release Red Hat Enterprise Linux Server release 7.8 Beta (Maipo) ipa-server-4.6.6-8.el7.x86_64 How reproducible: always Steps to Reproduce: 1. Install ipa master 2. run ipa-backup Actual results: ipa-backup command is failing. Expected results: ipa-backup command is success Additional info: [root@master ~]# ipa-backup -v ipalib.install.sysrestore: DEBUG: Loading Index file from '/var/lib/ipa/sysrestore/sysrestore.index' ipapython.admintool: DEBUG: Logging to /var/log/ipabackup.log ipapython.admintool: DEBUG: ipa-backup was invoked with arguments [] and options: {'data_only': False, 'verbose': True, 'gpg_keyring': None, 'gpg': False, 'quiet': False, 'online': False, 'log_file': None, 'logs': False} ipapython.admintool: DEBUG: IPA version 4.6.6-8.el7 ipalib.plugable: DEBUG: importing all plugin modules in ipaserver.plugins... ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.aci ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.automember ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.automount ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.baseldap ipalib.plugable: DEBUG: ipaserver.plugins.baseldap is not a valid plugin module ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.baseuser ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.batch ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.ca ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.caacl ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.cert ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.certmap ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.certprofile ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.config ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.delegation ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.dns ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.dnsserver ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.dogtag ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.domainlevel ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.group ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.hbac ipalib.plugable: DEBUG: ipaserver.plugins.hbac is not a valid plugin module ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.hbacrule ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.hbacsvc ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.hbacsvcgroup ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.hbactest ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.host ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.hostgroup ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.idrange ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.idviews ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.internal ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.join ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.krbtpolicy ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.ldap2 ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.location ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.migration ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.misc ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.netgroup ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.otp ipalib.plugable: DEBUG: ipaserver.plugins.otp is not a valid plugin module ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.otpconfig ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.otptoken ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.passwd ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.permission ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.ping ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.pkinit ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.privilege ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.pwpolicy ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.rabase ipalib.plugable: DEBUG: ipaserver.plugins.rabase is not a valid plugin module ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.radiusproxy ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.realmdomains ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.role ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.schema ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.selfservice ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.selinuxusermap ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.server ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.serverrole ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.serverroles ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.service ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.servicedelegation ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.session ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.stageuser ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.sudo ipalib.plugable: DEBUG: ipaserver.plugins.sudo is not a valid plugin module ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.sudocmd ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.sudocmdgroup ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.sudorule ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.topology ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.trust ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.user ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.vault ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.virtual ipalib.plugable: DEBUG: ipaserver.plugins.virtual is not a valid plugin module ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.whoami ipalib.plugable: DEBUG: importing plugin module ipaserver.plugins.xmlserver ipaserver.install.ipa_backup: INFO: Preparing backup on master.testrelm.test ipapython.admintool: DEBUG: File "/usr/lib/python2.7/site-packages/ipapython/admintool.py", line 178, in execute return_value = self.run() File "/usr/lib/python2.7/site-packages/ipaserver/install/ipa_backup.py", line 292, in run os.mkdir(self.dir, mode=0o750) ipapython.admintool: DEBUG: The ipa-backup command failed, exception: TypeError: mkdir() takes no keyword arguments ipapython.admintool: ERROR: mkdir() takes no keyword arguments ipapython.admintool: ERROR: The ipa-backup command failed. See /var/log/ipabackup.log for more information