From a78f8a4d18a9eae266215238dbaefe3b6cc6cd98 Mon Sep 17 00:00:00 2001 From: Alexander Bokovoy Date: Fri, 1 Jul 2011 12:41:45 +0300 Subject: [PATCH] Make error reporting more 'local' for various configurations of nss_ldap packages https://fedorahosted.org/freeipa/ticket/1369 When nss_ldap-based configuration does not work, report proper package name instead of always assuming nss_ldap. At least, in RHEL6 and Fedora appropriate package is called nss-pam-ldapd while in older releases and other distributions it might be called differently. The change makes less confusing error reporting. It also introduces common utility function package_installed_name() which provides an interface to query package manager for existence of mutually exclusive packages which is helpful to distinguish between different configuration paths. --- ipa-client/ipa-install/ipa-client-install | 5 +++-- ipapython/ipautil.py | 18 ++++++++++++++++++ 2 files changed, 21 insertions(+), 2 deletions(-) diff --git a/ipa-client/ipa-install/ipa-client-install b/ipa-client/ipa-install/ipa-client-install index 884dd213b82bf5c29d6cb4928fde6789057b16af..66a9e4935287ec0504127accf7e373e152aedb7e 100755 --- a/ipa-client/ipa-install/ipa-client-install +++ b/ipa-client/ipa-install/ipa-client-install @@ -31,7 +31,7 @@ try: import ipaclient.ipadiscovery import ipaclient.ipachangeconf import ipaclient.ntpconf - from ipapython.ipautil import run, user_input, CalledProcessError, file_exists + from ipapython.ipautil import run, user_input, CalledProcessError, file_exists, package_installed_name from ipapython import ipautil from ipapython import dnsclient from ipapython import sysrestore @@ -974,7 +974,8 @@ def main(): n = n + 1 if not found: - print "nss_ldap is not able to use DNS discovery!" + package = package_installed_name(["nss-pam-ldapd","nss_ldap"]) + print "Unable to use DNS discovery! Recognized configuration: %s" % (package) print "Changing configuration to use hardcoded server name: " +cli_server try: diff --git a/ipapython/ipautil.py b/ipapython/ipautil.py index 91d19e95f570e0ef189b6fdc5519a9e344b2dab8..1573e0a172350444e3296e19e0092995721f5991 100644 --- a/ipapython/ipautil.py +++ b/ipapython/ipautil.py @@ -1169,3 +1169,21 @@ def bind_port_responder(port, socket_stream=True, socket_timeout=None, responder s.sendto(responder_data, addr) finally: s.close() + +def package_installed_name(packages): + """ + Find out which of mutually exclusive packages is installed + + packages is a list of package names to check + + Returns package name or None + """ + + args = ["/bin/rpm","-q","--queryformat","%{NAME}"] + for package in packages: + try: + (package_name, error, retcode) = run(args+[package]) + return package_name + except CalledProcessError: + continue + return None -- 1.7.5.4