Support downgrade to specific version in yum module.
This commit is contained in:
Arne Demmers
Toshio Kuratomi
parent
cfda267b2b
commit
000df2709d
1 changed files with 103 additions and 44 deletions
|
|
@ -22,13 +22,18 @@ module: yum
|
|||
version_added: historical
|
||||
short_description: Manages packages with the I(yum) package manager
|
||||
description:
|
||||
- Installs, upgrade, removes, and lists packages and groups with the I(yum) package manager.
|
||||
- Installs, upgrade, downgrades, removes, and lists packages and groups with the I(yum) package manager.
|
||||
options:
|
||||
name:
|
||||
description:
|
||||
- "Package name, or package specifier with version, like C(name-1.0). When using state=latest, this can be '*' which means run: yum -y update.
|
||||
You can also pass a url or a local path to a rpm file (using state=present). To operate on several packages this can accept a comma separated list
|
||||
of packages or (as of 2.0) a list of packages."
|
||||
- Package name, or package specifier with version, like C(name-1.0).
|
||||
If a previous version is specified, the task also needs to turn
|
||||
C(allow_downgrade) on. See the C(allow_downgrade) documentation for
|
||||
caveats with downgrading packages. When using state=latest, this can
|
||||
be '*' which means run C(yum -y update). You can also pass a url
|
||||
or a local path to a rpm file (using state=present). To operate on
|
||||
several packages this can accept a comma separated list of packages
|
||||
or (as of 2.0) a list of packages.
|
||||
required: true
|
||||
default: null
|
||||
aliases: [ 'pkg' ]
|
||||
|
|
@ -133,6 +138,21 @@ options:
|
|||
choices: ["yes", "no"]
|
||||
version_added: "2.4"
|
||||
|
||||
allow_downgrade:
|
||||
description:
|
||||
- Specify if the named package and version is allowed to downgrade
|
||||
a maybe already installed higher version of that package.
|
||||
Note that setting allow_downgrade=True can make this module
|
||||
behave in a non-idempotent way. The task could end up with a set
|
||||
of packages that does not match the complete list of specified
|
||||
packages to install (because dependencies between the downgraded
|
||||
package and others can cause changes to the packages which were
|
||||
in the earlier transaction).
|
||||
required: false
|
||||
default: "no"
|
||||
choices: ["yes", "no"]
|
||||
version_added: "2.4"
|
||||
|
||||
notes:
|
||||
- When used with a loop of package names in a playbook, ansible optimizes
|
||||
the call to the yum module. Instead of calling the module with a single
|
||||
|
|
@ -226,7 +246,6 @@ EXAMPLES = '''
|
|||
|
||||
import os
|
||||
import re
|
||||
import shutil
|
||||
import tempfile
|
||||
|
||||
try:
|
||||
|
|
@ -243,7 +262,7 @@ except ImportError:
|
|||
|
||||
try:
|
||||
from yum.misc import find_unfinished_transactions, find_ts_remaining
|
||||
from rpmUtils.miscutils import splitFilename
|
||||
from rpmUtils.miscutils import splitFilename, compareEVR
|
||||
transaction_helpers = True
|
||||
except:
|
||||
transaction_helpers = False
|
||||
|
|
@ -647,9 +666,49 @@ def list_stuff(module, repoquerybin, conf_file, stuff, installroot='/', disabler
|
|||
return [pkg_to_dict(p) for p in sorted(is_installed(module, repoq, stuff, conf_file, qf=is_installed_qf, installroot=installroot)+
|
||||
is_available(module, repoq, stuff, conf_file, qf=qf, installroot=installroot)) if p.strip()]
|
||||
|
||||
def install(module, items, repoq, yum_basecmd, conf_file, en_repos, dis_repos, installroot='/'):
|
||||
|
||||
def exec_install(module, items, action, pkgs, res, yum_basecmd):
|
||||
cmd = yum_basecmd + [action] + pkgs
|
||||
|
||||
if module.check_mode:
|
||||
module.exit_json(changed=True, results=res['results'], changes=dict(installed=pkgs))
|
||||
|
||||
lang_env = dict(LANG='C', LC_ALL='C', LC_MESSAGES='C')
|
||||
rc, out, err = module.run_command(cmd, environ_update=lang_env)
|
||||
|
||||
if (rc == 1):
|
||||
for spec in items:
|
||||
# Fail on invalid urls:
|
||||
if ('://' in spec and ('No package %s available.' % spec in out or 'Cannot open: %s. Skipping.' % spec in err)):
|
||||
err = 'Package at %s could not be installed' % spec
|
||||
module.fail_json(changed=False,msg=err,rc=1)
|
||||
|
||||
res['rc'] = rc
|
||||
res['results'].append(out)
|
||||
res['msg'] += err
|
||||
res['changed'] = True
|
||||
|
||||
# special case for groups
|
||||
for spec in items:
|
||||
if spec.startswith('@'):
|
||||
if ('Nothing to do' in out and rc == 0) or ('does not have any packages to install' in err):
|
||||
res['changed'] = False
|
||||
|
||||
if rc != 0:
|
||||
res['changed'] = False
|
||||
module.fail_json(**res)
|
||||
|
||||
# FIXME - if we did an install - go and check the rpmdb to see if it actually installed
|
||||
# look for each pkg in rpmdb
|
||||
# look for each pkg via obsoletes
|
||||
|
||||
return res
|
||||
|
||||
|
||||
def install(module, items, repoq, yum_basecmd, conf_file, en_repos, dis_repos, installroot='/', allow_downgrade=False):
|
||||
|
||||
pkgs = []
|
||||
downgrade_pkgs = []
|
||||
res = {}
|
||||
res['results'] = []
|
||||
res['msg'] = ''
|
||||
|
|
@ -658,6 +717,7 @@ def install(module, items, repoq, yum_basecmd, conf_file, en_repos, dis_repos, i
|
|||
|
||||
for spec in items:
|
||||
pkg = None
|
||||
downgrade_candidate = False
|
||||
|
||||
# check if pkgspec is installed (if possible for idempotence)
|
||||
# localpkg
|
||||
|
|
@ -742,46 +802,42 @@ def install(module, items, repoq, yum_basecmd, conf_file, en_repos, dis_repos, i
|
|||
if found:
|
||||
continue
|
||||
|
||||
# if not - then pass in the spec as what to install
|
||||
# Downgrade - The yum install command will only install or upgrade to a spec version, it will
|
||||
# not install an older version of an RPM even if specified by the install spec. So we need to
|
||||
# determine if this is a downgrade, and then use the yum downgrade command to install the RPM.
|
||||
if allow_downgrade:
|
||||
for package in pkglist:
|
||||
# Get the NEVRA of the requested package using pkglist instead of spec because pkglist
|
||||
# contains consistently-formatted package names returned by yum, rather than user input
|
||||
# that is often not parsed correctly by splitFilename().
|
||||
(name, ver, rel, epoch, arch) = splitFilename(package)
|
||||
|
||||
# Check if any version of the requested package is installed
|
||||
inst_pkgs = is_installed(module, repoq, name, conf_file, en_repos=en_repos, dis_repos=dis_repos, is_pkg=True)
|
||||
if inst_pkgs:
|
||||
(cur_name, cur_ver, cur_rel, cur_epoch, cur_arch) = splitFilename(inst_pkgs[0])
|
||||
compare = compareEVR((cur_epoch, cur_ver, cur_rel), (epoch, ver, rel))
|
||||
if compare > 0:
|
||||
downgrade_candidate = True
|
||||
else:
|
||||
downgrade_candidate = False
|
||||
break
|
||||
|
||||
# If package needs to be installed/upgraded/downgraded, then pass in the spec
|
||||
# we could get here if nothing provides it but that's not
|
||||
# the error we're catching here
|
||||
pkg = spec
|
||||
|
||||
if downgrade_candidate and allow_downgrade:
|
||||
downgrade_pkgs.append(pkg)
|
||||
else:
|
||||
pkgs.append(pkg)
|
||||
|
||||
if downgrade_pkgs:
|
||||
res = exec_install(module, items, 'downgrade', downgrade_pkgs, res, yum_basecmd)
|
||||
|
||||
if pkgs:
|
||||
cmd = yum_basecmd + ['install'] + pkgs
|
||||
|
||||
if module.check_mode:
|
||||
module.exit_json(changed=True, results=res['results'], changes=dict(installed=pkgs))
|
||||
|
||||
|
||||
lang_env = dict(LANG='C', LC_ALL='C', LC_MESSAGES='C')
|
||||
rc, out, err = module.run_command(cmd, environ_update=lang_env)
|
||||
|
||||
if rc == 1:
|
||||
for spec in items:
|
||||
# Fail on invalid urls:
|
||||
if '://' in spec and ('No package %s available.' % spec in out or 'Cannot open: %s. Skipping.' % spec in err):
|
||||
module.fail_json(msg='Package at %s could not be installed' % spec, rc=1, changed=False)
|
||||
|
||||
res['rc'] = rc
|
||||
res['results'].append(out)
|
||||
res['msg'] += err
|
||||
res['changed'] = True
|
||||
|
||||
# special case for groups
|
||||
if spec.startswith('@'):
|
||||
if ('Nothing to do' in out and rc == 0) or ('does not have any packages to install' in err):
|
||||
res['changed'] = False
|
||||
|
||||
if rc != 0:
|
||||
res['changed'] = False
|
||||
module.fail_json(**res)
|
||||
|
||||
# FIXME - if we did an install - go and check the rpmdb to see if it actually installed
|
||||
# look for each pkg in rpmdb
|
||||
# look for each pkg via obsoletes
|
||||
res = exec_install(module, items, 'install', pkgs, res, yum_basecmd)
|
||||
|
||||
return res
|
||||
|
||||
|
|
@ -1065,7 +1121,8 @@ def latest(module, items, repoq, yum_basecmd, conf_file, en_repos, dis_repos, in
|
|||
return res
|
||||
|
||||
def ensure(module, state, pkgs, conf_file, enablerepo, disablerepo,
|
||||
disable_gpg_check, exclude, repoq, skip_broken, security, installroot='/'):
|
||||
disable_gpg_check, exclude, repoq, skip_broken, security,
|
||||
installroot='/', allow_downgrade=False):
|
||||
|
||||
# fedora will redirect yum to dnf, which has incompatibilities
|
||||
# with how this module expects yum to operate. If yum-deprecated
|
||||
|
|
@ -1161,7 +1218,7 @@ def ensure(module, state, pkgs, conf_file, enablerepo, disablerepo,
|
|||
if state in ['installed', 'present']:
|
||||
if disable_gpg_check:
|
||||
yum_basecmd.append('--nogpgcheck')
|
||||
res = install(module, pkgs, repoq, yum_basecmd, conf_file, en_repos, dis_repos, installroot=installroot)
|
||||
res = install(module, pkgs, repoq, yum_basecmd, conf_file, en_repos, dis_repos, installroot=installroot, allow_downgrade=allow_downgrade)
|
||||
elif state in ['removed', 'absent']:
|
||||
res = remove(module, pkgs, repoq, yum_basecmd, conf_file, en_repos, dis_repos, installroot=installroot)
|
||||
elif state == 'latest':
|
||||
|
|
@ -1209,6 +1266,7 @@ def main():
|
|||
installroot=dict(required=False, default="/", type='str'),
|
||||
# this should not be needed, but exists as a failsafe
|
||||
install_repoquery=dict(required=False, default="yes", type='bool'),
|
||||
allow_downgrade=dict(required=False, default="no", type='bool'),
|
||||
security=dict(default="no", type='bool'),
|
||||
),
|
||||
required_one_of=[['name', 'list']],
|
||||
|
|
@ -1265,9 +1323,10 @@ def main():
|
|||
disable_gpg_check = params['disable_gpg_check']
|
||||
skip_broken = params['skip_broken']
|
||||
security = params['security']
|
||||
allow_downgrade = params['allow_downgrade']
|
||||
results = ensure(module, state, pkg, params['conf_file'], enablerepo,
|
||||
disablerepo, disable_gpg_check, exclude, repoquery,
|
||||
skip_broken, security, params['installroot'])
|
||||
skip_broken, security, params['installroot'], allow_downgrade)
|
||||
if repoquery:
|
||||
results['msg'] = '%s %s' % (results.get('msg', ''),
|
||||
'Warning: Due to potential bad behaviour with rhnplugin and certificates, used slower repoquery calls instead of Yum API.')
|
||||
|
|
|
|||
Loading…
Reference in a new issue