diff options
author | Martin Basti <mbasti@redhat.com> | 2016-04-19 18:36:32 +0200 |
---|---|---|
committer | Martin Basti <mbasti@redhat.com> | 2016-04-26 14:01:42 +0200 |
commit | c5686295f14c955d34d9598ddb80b30cb9df663c (patch) | |
tree | 5421aa91c6f5d645e7d9cbeff8fb4378a34577f7 /ipaplatform | |
parent | 14ee02dcbd6cbb6c221ac7526e471a9fc58fcc82 (diff) | |
download | freeipa-c5686295f14c955d34d9598ddb80b30cb9df663c.tar.gz freeipa-c5686295f14c955d34d9598ddb80b30cb9df663c.tar.xz freeipa-c5686295f14c955d34d9598ddb80b30cb9df663c.zip |
Always set hostname
This prevents cases when hostname on system is set inconsistently
(transient and static hostname differs) and may cause IPA errors.
This commit ensures that all hostnames are set properly.
https://fedorahosted.org/freeipa/ticket/5794
Reviewed-By: David Kupka <dkupka@redhat.com>
Diffstat (limited to 'ipaplatform')
-rw-r--r-- | ipaplatform/base/paths.py | 2 | ||||
-rw-r--r-- | ipaplatform/base/tasks.py | 12 | ||||
-rw-r--r-- | ipaplatform/redhat/tasks.py | 47 |
3 files changed, 28 insertions, 33 deletions
diff --git a/ipaplatform/base/paths.py b/ipaplatform/base/paths.py index 585a5d26e..62d9e703d 100644 --- a/ipaplatform/base/paths.py +++ b/ipaplatform/base/paths.py @@ -25,7 +25,7 @@ This base platform module exports default filesystem paths. class BasePathNamespace(object): BASH = "/bin/bash" BIN_FALSE = "/bin/false" - BIN_HOSTNAME = "/bin/hostname" + BIN_HOSTNAMECTL = "/bin/hostnamectl" LS = "/bin/ls" SH = "/bin/sh" SYSTEMCTL = "/bin/systemctl" diff --git a/ipaplatform/base/tasks.py b/ipaplatform/base/tasks.py index f5fb2b155..7c3008863 100644 --- a/ipaplatform/base/tasks.py +++ b/ipaplatform/base/tasks.py @@ -48,7 +48,7 @@ class BaseTaskNamespace(object): def backup_and_replace_hostname(self, fstore, statestore, hostname): """ Backs up the current hostname in the statestore (so that it can be - restored by the restore_network_configuration platform task). + restored by the restore_hostname platform task). Makes sure that new hostname (passed via hostname argument) is set as a new pemanent hostname for this host. @@ -106,7 +106,7 @@ class BaseTaskNamespace(object): return - def restore_network_configuration(self, fstore, statestore): + def restore_hostname(self, fstore, statestore): """ Restores the original hostname as backed up in the backup_and_replace_hostname platform task. @@ -237,6 +237,14 @@ class BaseTaskNamespace(object): """ return parse_version(version) + def set_hostname(self, hostname): + """ + Set hostname for the system + + No return value expected, raise CalledProcessError when error occurred + """ + return + def configure_httpd_service_ipa_conf(self): """Configure httpd service to work with IPA""" raise NotImplementedError() diff --git a/ipaplatform/redhat/tasks.py b/ipaplatform/redhat/tasks.py index 4be9a146e..2a110c994 100644 --- a/ipaplatform/redhat/tasks.py +++ b/ipaplatform/redhat/tasks.py @@ -26,10 +26,10 @@ system tasks. from __future__ import print_function import os -import stat import socket -import sys import base64 +import traceback + from cffi import FFI from ctypes.util import find_library from functools import total_ordering @@ -330,38 +330,31 @@ class RedHatTaskNamespace(BaseTaskNamespace): def backup_and_replace_hostname(self, fstore, statestore, hostname): old_hostname = socket.gethostname() try: - ipautil.run([paths.BIN_HOSTNAME, hostname]) + self.set_hostname(hostname) except ipautil.CalledProcessError as e: print(("Failed to set this machine hostname to " "%s (%s)." % (hostname, str(e))), file=sys.stderr) filepath = paths.ETC_HOSTNAME if os.path.exists(filepath): - # read old hostname - with open(filepath, 'r') as f: - for line in f.readlines(): - line = line.strip() - if not line or line.startswith('#'): - # skip comment or empty line - continue - old_hostname = line - break fstore.backup_file(filepath) - with open(filepath, 'w') as f: - f.write("%s\n" % hostname) - os.chmod(filepath, - stat.S_IRUSR | stat.S_IWUSR | stat.S_IRGRP | stat.S_IROTH) - os.chown(filepath, 0, 0) - self.restore_context(filepath) - # store old hostname statestore.backup_state('network', 'hostname', old_hostname) - def restore_network_configuration(self, fstore, statestore): + def restore_hostname(self, fstore, statestore): old_filepath = paths.SYSCONFIG_NETWORK old_hostname = statestore.get_state('network', 'hostname') - hostname_was_configured = False + + if old_hostname is not None: + try: + self.set_hostname(old_hostname) + except ipautil.CalledProcessError as e: + root_logger.debug(traceback.format_exc()) + root_logger.error( + "Failed to restore this machine hostname to %s (%s).", + old_hostname, e + ) if fstore.has_file(old_filepath): # This is Fedora >=18 instance that was upgraded from previous @@ -371,20 +364,11 @@ class RedHatTaskNamespace(BaseTaskNamespace): fstore.restore_file(old_filepath, old_filepath_restore) print("Deprecated configuration file '%s' was restored to '%s'" \ % (old_filepath, old_filepath_restore)) - hostname_was_configured = True filepath = paths.ETC_HOSTNAME if fstore.has_file(filepath): fstore.restore_file(filepath) - hostname_was_configured = True - if not hostname_was_configured and old_hostname: - # hostname was not configured before but was set by IPA. Delete - # /etc/hostname to restore previous configuration - try: - os.remove(filepath) - except OSError: - pass def set_selinux_booleans(self, required_settings, backup_func=None): def get_setsebool_args(changes): @@ -490,4 +474,7 @@ class RedHatTaskNamespace(BaseTaskNamespace): paths.SYSTEMD_SYSTEM_HTTPD_IPA_CONF, e ) + def set_hostname(self, hostname): + ipautil.run([paths.BIN_HOSTNAMECTL, 'set-hostname', hostname]) + tasks = RedHatTaskNamespace() |