diff options
Diffstat (limited to 'roles/openshift_preflight/base/library/check_yum_update.py')
| -rwxr-xr-x | roles/openshift_preflight/base/library/check_yum_update.py | 116 |
1 files changed, 0 insertions, 116 deletions
diff --git a/roles/openshift_preflight/base/library/check_yum_update.py b/roles/openshift_preflight/base/library/check_yum_update.py deleted file mode 100755 index 296ebd44f..000000000 --- a/roles/openshift_preflight/base/library/check_yum_update.py +++ /dev/null @@ -1,116 +0,0 @@ -#!/usr/bin/python -# vim: expandtab:tabstop=4:shiftwidth=4 -''' -Ansible module to test whether a yum update or install will succeed, -without actually performing it or running yum. -parameters: - packages: (optional) A list of package names to install or update. - If omitted, all installed RPMs are considered for updates. -''' - -# import os -import sys -import yum # pylint: disable=import-error -from ansible.module_utils.basic import AnsibleModule - - -def main(): # pylint: disable=missing-docstring,too-many-branches - module = AnsibleModule( - argument_spec=dict( - packages=dict(type='list', default=[]) - ), - supports_check_mode=True - ) - - # NOTE(rhcarvalho): sosiouxme added _unmute, but I couldn't find a case yet - # for when it is actually necessary. Leaving it commented out for now, - # though this comment and the commented out code related to _unmute should - # be deleted later if not proven necessary. - - # sys.stdout = os.devnull # mute yum so it doesn't break our output - - # def _unmute(): # pylint: disable=missing-docstring - # sys.stdout = sys.__stdout__ - - def bail(error): # pylint: disable=missing-docstring - # _unmute() - module.fail_json(msg=error) - - yb = yum.YumBase() # pylint: disable=invalid-name - # determine if the existing yum configuration is valid - try: - yb.repos.populateSack(mdtype='metadata', cacheonly=1) - # for error of type: - # 1. can't reach the repo URL(s) - except yum.Errors.NoMoreMirrorsRepoError as e: # pylint: disable=invalid-name - bail('Error getting data from at least one yum repository: %s' % e) - # 2. invalid repo definition - except yum.Errors.RepoError as e: # pylint: disable=invalid-name - bail('Error with yum repository configuration: %s' % e) - # 3. other/unknown - # * just report the problem verbatim - except: # pylint: disable=bare-except; # noqa - bail('Unexpected error with yum repository: %s' % sys.exc_info()[1]) - - packages = module.params['packages'] - no_such_pkg = [] - for pkg in packages: - try: - yb.install(name=pkg) - except yum.Errors.InstallError as e: # pylint: disable=invalid-name - no_such_pkg.append(pkg) - except: # pylint: disable=bare-except; # noqa - bail('Unexpected error with yum install/update: %s' % - sys.exc_info()[1]) - if not packages: - # no packages requested means test a yum update of everything - yb.update() - elif no_such_pkg: - # wanted specific packages to install but some aren't available - user_msg = 'Cannot install all of the necessary packages. Unavailable:\n' - for pkg in no_such_pkg: - user_msg += ' %s\n' % pkg - user_msg += 'You may need to enable one or more yum repositories to make this content available.' - bail(user_msg) - - try: - txn_result, txn_msgs = yb.buildTransaction() - except: # pylint: disable=bare-except; # noqa - bail('Unexpected error during dependency resolution for yum update: \n %s' % - sys.exc_info()[1]) - - # find out if there are any errors with the update/install - if txn_result == 0: # 'normal exit' meaning there's nothing to install/update - pass - elif txn_result == 1: # error with transaction - user_msg = 'Could not perform a yum update.\n' - if len(txn_msgs) > 0: - user_msg += 'Errors from dependency resolution:\n' - for msg in txn_msgs: - user_msg += ' %s\n' % msg - user_msg += 'You should resolve these issues before proceeding with an install.\n' - user_msg += 'You may need to remove or downgrade packages or enable/disable yum repositories.' - bail(user_msg) - # TODO: it would be nice depending on the problem: - # 1. dependency for update not found - # * construct the dependency tree - # * find the installed package(s) that required the missing dep - # * determine if any of these packages matter to openshift - # * build helpful error output - # 2. conflicts among packages in available content - # * analyze dependency tree and build helpful error output - # 3. other/unknown - # * report the problem verbatim - # * add to this list as we come across problems we can clearly diagnose - elif txn_result == 2: # everything resolved fine - pass - else: - bail('Unknown error(s) from dependency resolution. Exit Code: %d:\n%s' % - (txn_result, txn_msgs)) - - # _unmute() - module.exit_json(changed=False) - - -if __name__ == '__main__': - main() |