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Description of problem:

When running the IPA server in debug mode, I am seeing "Internal Server Error" messages when running IPA commands.

ipa: ERROR: cannot connect to 'https://ipa-server-hostname/ipa/session/json': Internal Server Error

Looking at the logs:

module 'time' has no attribute 'perf_counter_ns'

Version-Release number of selected component (if applicable):
ipa-server-4.9.3-1.module+el8.5.0+10565+ae980a94.x86_64


How reproducible:
always

Steps to Reproduce:
1.  ipa-server-install
2.  echo -e '[global]\ndebug=True' >> /etc/ipa/server.conf
3.  systemctl restart httpd
4.  ipa user-find

Actual results:
Internal Server Error

Expected results:
list users

Additional info:

Investigation:

This is caused by perf_counter_ns being Python 3.7+ only.
That is only used in rpcserver.py ; putting a lambda there that defines time.perf_counter_ns is enough to fix the problem.
It has to be done conditionally on Python version e.g. the current code is fine for Python 3.7+.

Upstream ticket:
https://pagure.io/freeipa/issue/8891

PR: https://github.com/freeipa/freeipa/pull/5852

Fixed upstream
master:
https://pagure.io/freeipa/c/675b5d2f0519af68e3455075b39b7c5e2897cc07
https://pagure.io/freeipa/c/69497f4a026ab0689f6276f6695ca14cdc7164d1
https://pagure.io/freeipa/c/06791db5fad62f32ddc3641f40997c1035a86f96

Fixed upstream
ipa-4-9:
https://pagure.io/freeipa/c/e713c227bb420a841ce3ae146bca55a84a1b0dbf
https://pagure.io/freeipa/c/ee4be290e1583834a573c3896ee1d97b3fbb6c24
https://pagure.io/freeipa/c/1539c7383116647ad9c5b125b343f972e9c9653b

version:  ipa-server-4.9.6-4.module+el8.5.0+11912+1b4496cf

2021-07-30T11:09:19+0000 ipatests/test_integration/test_installation.py::TestInstallMaster::test_install_master PASSED [ 50%]
2021-07-30T11:10:23+0000 ipatests/test_integration/test_installation.py::TestInstallMaster::test_smoke_test_for_debug_mode PASSED [100%]

Automation passed. report.html is attached for reference.

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 (ipa bug fix and enhancement update), 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-2021:4230

The needinfo request[s] on this closed bug have been removed as they have been unresolved for 500 days