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ansible/library/packaging/yum
beefsalad 5b2fda6fa6 added descriptions for yum options 
Updated main description to state that the yum module will handle package groups.  Added descriptions for each example, as it is unclear to (some) users that @Name implies a group install.
2013-12-26 12:25:52 -06:00

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#!/usr/bin/python -tt
# -*- coding: utf-8 -*-
# (c) 2012, Red Hat, Inc
# Written by Seth Vidal <skvidal at fedoraproject.org>
#
# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
#
import traceback
import os
import yum
DOCUMENTATION = '''
---
module: yum
version_added: historical
short_description: Manages packages with the I(yum) package manager
description:
- Will install, upgrade, remove, and list packages or package 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."
required: true
default: null
aliases: []
list:
description:
- Various non-idempotent commands for usage with C(/usr/bin/ansible) and I(not) playbooks. See examples.
required: false
default: null
state:
description:
- Whether to install (C(present), C(latest)), or remove (C(absent)) a package.
required: false
choices: [ "present", "latest", "absent" ]
default: "present"
enablerepo:
description:
- Repoid of repositories to enable for the install/update operation.
These repos will not persist beyond the transaction
multiple repos separated with a ','
required: false
version_added: "0.9"
default: null
aliases: []
disablerepo:
description:
- I(repoid) of repositories to disable for the install/update operation
These repos will not persist beyond the transaction
Multiple repos separated with a ','
required: false
version_added: "0.9"
default: null
aliases: []
conf_file:
description:
- The remote yum configuration file to use for the transaction.
required: false
version_added: "0.6"
default: null
aliases: []
disable_gpg_check:
description:
- Whether to disable the GPG checking of signatures of packages being
installed. Has an effect only if state is I(present) or I(latest).
required: false
version_added: "1.2"
default: "no"
choices: ["yes", "no"]
aliases: []
notes: []
# informational: requirements for nodes
requirements: [ yum, rpm ]
author: Seth Vidal
'''
EXAMPLES = '''
# description: installs the latest version of httpd
- yum: name=httpd state=latest
# description: removes the httpd package
- yum: name=httpd state=removed
# description: installs the latest version of httpd from the testing repo
- yum: name=httpd enablerepo=testing state=installed
# description: upgrades all packages
- yum: name=* state=latest
# description: installs the nginx rpm from a remote repo
- yum: name=http://nginx.org/packages/centos/6/noarch/RPMS/nginx-release-centos-6-0.el6.ngx.noarch.rpm state=present
# description: installs nginx rpm from a local file
- yum: name=/usr/local/src/nginx-release-centos-6-0.el6.ngx.noarch.rpm state=present
# description: installs the package group 'Development tool'
- yum: name="@Development tools" state=present
'''
def_qf = "%{name}-%{version}-%{release}.%{arch}"
repoquery='/usr/bin/repoquery'
if not os.path.exists(repoquery):
repoquery = None
yumbin='/usr/bin/yum'
import syslog
def log(msg):
syslog.openlog('ansible-yum', 0, syslog.LOG_USER)
syslog.syslog(syslog.LOG_NOTICE, msg)
def yum_base(conf_file=None, cachedir=False):
my = yum.YumBase()
my.preconf.debuglevel=0
my.preconf.errorlevel=0
if conf_file and os.path.exists(conf_file):
my.preconf.fn = conf_file
if cachedir or os.geteuid() != 0:
if hasattr(my, 'setCacheDir'):
my.setCacheDir()
else:
cachedir = yum.misc.getCacheDir()
my.repos.setCacheDir(cachedir)
my.conf.cache = 0
return my
def po_to_nevra(po):
if hasattr(po, 'ui_nevra'):
return po.ui_nevra
else:
return '%s-%s-%s.%s' % (po.name, po.version, po.release, po.arch)
def is_installed(module, repoq, pkgspec, conf_file, qf=def_qf, en_repos=[], dis_repos=[], is_pkg=False):
if not repoq:
pkgs = []
try:
my = yum_base(conf_file)
for rid in en_repos:
my.repos.enableRepo(rid)
for rid in dis_repos:
my.repos.disableRepo(rid)
e,m,u = my.rpmdb.matchPackageNames([pkgspec])
pkgs = e + m
if not pkgs:
pkgs.extend(my.returnInstalledPackagesByDep(pkgspec))
except Exception, e:
module.fail_json(msg="Failure talking to yum: %s" % e)
return [ po_to_nevra(p) for p in pkgs ]
else:
cmd = repoq + ["--disablerepo=*", "--pkgnarrow=installed", "--qf", qf, pkgspec]
rc,out,err = module.run_command(cmd)
if not is_pkg:
cmd = repoq + ["--disablerepo=*", "--pkgnarrow=installed", "--qf", qf, "--whatprovides", pkgspec]
rc2,out2,err2 = module.run_command(cmd)
else:
rc2,out2,err2 = (0, '', '')
if rc == 0 and rc2 == 0:
out += out2
return [ p for p in out.split('\n') if p.strip() ]
else:
module.fail_json(msg='Error from repoquery: %s: %s' % (cmd, err + err2))
return []
def is_available(module, repoq, pkgspec, conf_file, qf=def_qf, en_repos=[], dis_repos=[]):
if not repoq:
pkgs = []
try:
my = yum_base(conf_file)
for rid in en_repos:
my.repos.enableRepo(rid)
for rid in dis_repos:
my.repos.disableRepo(rid)
e,m,u = my.pkgSack.matchPackageNames([pkgspec])
pkgs = e + m
if not pkgs:
pkgs.extend(my.returnPackagesByDep(pkgspec))
except Exception, e:
module.fail_json(msg="Failure talking to yum: %s" % e)
return [ po_to_nevra(p) for p in pkgs ]
else:
myrepoq = list(repoq)
for repoid in en_repos:
r_cmd = ['--enablerepo', repoid]
myrepoq.extend(r_cmd)
for repoid in dis_repos:
r_cmd = ['--disablerepo', repoid]
myrepoq.extend(r_cmd)
cmd = myrepoq + ["--qf", qf, pkgspec]
rc,out,err = module.run_command(cmd)
if rc == 0:
return [ p for p in out.split('\n') if p.strip() ]
else:
module.fail_json(msg='Error from repoquery: %s: %s' % (cmd, err))
return []
def is_update(module, repoq, pkgspec, conf_file, qf=def_qf, en_repos=[], dis_repos=[]):
if not repoq:
retpkgs = []
pkgs = []
updates = []
try:
my = yum_base(conf_file)
for rid in en_repos:
my.repos.enableRepo(rid)
for rid in dis_repos:
my.repos.disableRepo(rid)
pkgs = my.returnPackagesByDep(pkgspec) + my.returnInstalledPackagesByDep(pkgspec)
if not pkgs:
e,m,u = my.pkgSack.matchPackageNames([pkgspec])
pkgs = e + m
updates = my.doPackageLists(pkgnarrow='updates').updates
except Exception, e:
module.fail_json(msg="Failure talking to yum: %s" % e)
for pkg in pkgs:
if pkg in updates:
retpkgs.append(pkg)
return set([ po_to_nevra(p) for p in retpkgs ])
else:
myrepoq = list(repoq)
for repoid in en_repos:
r_cmd = ['--enablerepo', repoid]
myrepoq.extend(r_cmd)
for repoid in dis_repos:
r_cmd = ['--disablerepo', repoid]
myrepoq.extend(r_cmd)
cmd = myrepoq + ["--pkgnarrow=updates", "--qf", qf, pkgspec]
rc,out,err = module.run_command(cmd)
if rc == 0:
return set([ p for p in out.split('\n') if p.strip() ])
else:
module.fail_json(msg='Error from repoquery: %s: %s' % (cmd, err))
return []
def what_provides(module, repoq, req_spec, conf_file, qf=def_qf, en_repos=[], dis_repos=[]):
if not repoq:
pkgs = []
try:
my = yum_base(conf_file)
for rid in en_repos:
my.repos.enableRepo(rid)
for rid in dis_repos:
my.repos.disableRepo(rid)
pkgs = my.returnPackagesByDep(req_spec) + my.returnInstalledPackagesByDep(req_spec)
if not pkgs:
e,m,u = my.pkgSack.matchPackageNames([req_spec])
pkgs.extend(e)
pkgs.extend(m)
e,m,u = my.rpmdb.matchPackageNames([req_spec])
pkgs.extend(e)
pkgs.extend(m)
except Exception, e:
module.fail_json(msg="Failure talking to yum: %s" % e)
return set([ po_to_nevra(p) for p in pkgs ])
else:
myrepoq = list(repoq)
for repoid in en_repos:
r_cmd = ['--enablerepo', repoid]
myrepoq.extend(r_cmd)
for repoid in dis_repos:
r_cmd = ['--disablerepo', repoid]
myrepoq.extend(r_cmd)
cmd = myrepoq + ["--qf", qf, "--whatprovides", req_spec]
rc,out,err = module.run_command(cmd)
cmd = myrepoq + ["--qf", qf, req_spec]
rc2,out2,err2 = module.run_command(cmd)
if rc == 0 and rc2 == 0:
out += out2
pkgs = set([ p for p in out.split('\n') if p.strip() ])
if not pkgs:
pkgs = is_installed(module, repoq, req_spec, conf_file, qf=qf)
return pkgs
else:
module.fail_json(msg='Error from repoquery: %s: %s' % (cmd, err + err2))
return []
def local_nvra(module, path):
"""return nvra of a local rpm passed in"""
cmd = ['/bin/rpm', '-qp' ,'--qf',
'%{name}-%{version}-%{release}.%{arch}\n', path ]
rc, out, err = module.run_command(cmd)
if rc != 0:
return None
nvra = out.split('\n')[0]
return nvra
def pkg_to_dict(pkgstr):
if pkgstr.strip():
n,e,v,r,a,repo = pkgstr.split('|')
else:
return {'error_parsing': pkgstr}
d = {
'name':n,
'arch':a,
'epoch':e,
'release':r,
'version':v,
'repo':repo,
'nevra': '%s:%s-%s-%s.%s' % (e,n,v,r,a)
}
if repo == 'installed':
d['yumstate'] = 'installed'
else:
d['yumstate'] = 'available'
return d
def repolist(module, repoq, qf="%{repoid}"):
cmd = repoq + ["--qf", qf, "-a"]
rc,out,err = module.run_command(cmd)
ret = []
if rc == 0:
ret = set([ p for p in out.split('\n') if p.strip() ])
return ret
def list_stuff(module, conf_file, stuff):
qf = "%{name}|%{epoch}|%{version}|%{release}|%{arch}|%{repoid}"
repoq = [repoquery, '--show-duplicates', '--plugins', '--quiet', '-q']
if conf_file and os.path.exists(conf_file):
repoq += ['-c', conf_file]
if stuff == 'installed':
return [ pkg_to_dict(p) for p in is_installed(module, repoq, '-a', conf_file, qf=qf) if p.strip() ]
elif stuff == 'updates':
return [ pkg_to_dict(p) for p in is_update(module, repoq, '-a', conf_file, qf=qf) if p.strip() ]
elif stuff == 'available':
return [ pkg_to_dict(p) for p in is_available(module, repoq, '-a', conf_file, qf=qf) if p.strip() ]
elif stuff == 'repos':
return [ dict(repoid=name, state='enabled') for name in repolist(module, repoq) if name.strip() ]
else:
return [ pkg_to_dict(p) for p in is_installed(module, repoq, stuff, conf_file, qf=qf) + is_available(module, repoq, stuff, conf_file, qf=qf) if p.strip() ]
def install(module, items, repoq, yum_basecmd, conf_file, en_repos, dis_repos):
res = {}
res['results'] = []
res['msg'] = ''
res['rc'] = 0
res['changed'] = False
for spec in items:
pkg = None
# check if pkgspec is installed (if possible for idempotence)
# localpkg
if spec.endswith('.rpm') and '://' not in spec:
# get the pkg name-v-r.arch
if not os.path.exists(spec):
res['msg'] += "No Package file matching '%s' found on system" % spec
module.fail_json(**res)
nvra = local_nvra(module, spec)
# look for them in the rpmdb
if is_installed(module, repoq, nvra, conf_file, en_repos=en_repos, dis_repos=dis_repos):
# if they are there, skip it
continue
pkg = spec
# URL
elif '://' in spec:
pkg = spec
#groups :(
elif spec.startswith('@'):
# complete wild ass guess b/c it's a group
pkg = spec
# range requires or file-requires or pkgname :(
else:
# most common case is the pkg is already installed and done
# short circuit all the bs - and search for it as a pkg in is_installed
# if you find it then we're done
if not set(['*','?']).intersection(set(spec)):
pkgs = is_installed(module, repoq, spec, conf_file, en_repos=en_repos, dis_repos=dis_repos, is_pkg=True)
if pkgs:
res['results'].append('%s providing %s is already installed' % (pkgs[0], spec))
continue
# look up what pkgs provide this
pkglist = what_provides(module, repoq, spec, conf_file, en_repos=en_repos, dis_repos=dis_repos)
if not pkglist:
res['msg'] += "No Package matching '%s' found available, installed or updated" % spec
module.fail_json(**res)
# if any of them are installed
# then nothing to do
found = False
for this in pkglist:
if is_installed(module, repoq, this, conf_file, en_repos=en_repos, dis_repos=dis_repos, is_pkg=True):
found = True
res['results'].append('%s providing %s is already installed' % (this, spec))
break
# if the version of the pkg you have installed is not in ANY repo, but there are
# other versions in the repos (both higher and lower) then the previous checks won't work.
# so we check one more time. This really only works for pkgname - not for file provides or virt provides
# but virt provides should be all caught in what_provides on its own.
# highly irritating
if not found:
if is_installed(module, repoq, spec, conf_file, en_repos=en_repos, dis_repos=dis_repos):
found = True
res['results'].append('package providing %s is already installed' % (spec))
if found:
continue
# if not - then pass in the spec as what to install
# we could get here if nothing provides it but that's not
# the error we're catching here
pkg = spec
cmd = yum_basecmd + ['install', pkg]
if module.check_mode:
module.exit_json(changed=True)
changed = True
rc, out, err = module.run_command(cmd)
if (rc != 0 and 'Nothing to do' in err) or 'Nothing to do' in out:
# avoid failing in the 'Nothing To Do' case
# this may happen with an URL spec.
# for an already installed group,
# we get rc = 0 and 'Nothing to do' in out, not in err.
rc = 0
err = ''
out = '%s: Nothing to do' % spec
changed = False
res['rc'] += rc
res['results'].append(out)
res['msg'] += err
# FIXME - if we did an install - go and check the rpmdb to see if it actually installed
# look for the pkg in rpmdb
# look for the pkg via obsoletes
# accumulate any changes
res['changed'] |= changed
module.exit_json(**res)
def remove(module, items, repoq, yum_basecmd, conf_file, en_repos, dis_repos):
res = {}
res['results'] = []
res['msg'] = ''
res['changed'] = False
res['rc'] = 0
for pkg in items:
is_group = False
# group remove - this is doom on a stick
if pkg.startswith('@'):
is_group = True
else:
if not is_installed(module, repoq, pkg, conf_file, en_repos=en_repos, dis_repos=dis_repos):
res['results'].append('%s is not installed' % pkg)
continue
# run an actual yum transaction
cmd = yum_basecmd + ["remove", pkg]
if module.check_mode:
module.exit_json(changed=True)
rc, out, err = module.run_command(cmd)
res['rc'] += rc
res['results'].append(out)
res['msg'] += err
# compile the results into one batch. If anything is changed
# then mark changed
# at the end - if we've end up failed then fail out of the rest
# of the process
# at this point we should check to see if the pkg is no longer present
if not is_group: # we can't sensibly check for a group being uninstalled reliably
# look to see if the pkg shows up from is_installed. If it doesn't
if not is_installed(module, repoq, pkg, conf_file, en_repos=en_repos, dis_repos=dis_repos):
res['changed'] = True
else:
module.fail_json(**res)
if rc != 0:
module.fail_json(**res)
module.exit_json(**res)
def latest(module, items, repoq, yum_basecmd, conf_file, en_repos, dis_repos):
res = {}
res['results'] = []
res['msg'] = ''
res['changed'] = False
res['rc'] = 0
for spec in items:
pkg = None
basecmd = 'update'
cmd = ''
# groups, again
if spec.startswith('@'):
pkg = spec
elif spec == '*': #update all
# use check-update to see if there is any need
rc,out,err = module.run_command(yum_basecmd + ['check-update'])
if rc == 100:
cmd = yum_basecmd + [basecmd]
else:
res['results'].append('All packages up to date')
continue
# dep/pkgname - find it
else:
if is_installed(module, repoq, spec, conf_file, en_repos=en_repos, dis_repos=dis_repos):
basecmd = 'update'
else:
basecmd = 'install'
pkglist = what_provides(module, repoq, spec, conf_file, en_repos=en_repos, dis_repos=dis_repos)
if not pkglist:
res['msg'] += "No Package matching '%s' found available, installed or updated" % spec
module.fail_json(**res)
nothing_to_do = True
for this in pkglist:
if basecmd == 'install' and is_available(module, repoq, this, conf_file, en_repos=en_repos, dis_repos=dis_repos):
nothing_to_do = False
break
if basecmd == 'update' and is_update(module, repoq, this, conf_file, en_repos=en_repos, dis_repos=en_repos):
nothing_to_do = False
break
if nothing_to_do:
res['results'].append("All packages providing %s are up to date" % spec)
continue
pkg = spec
if not cmd:
cmd = yum_basecmd + [basecmd, pkg]
if module.check_mode:
return module.exit_json(changed=True)
rc, out, err = module.run_command(cmd)
res['rc'] += rc
res['results'].append(out)
res['msg'] += err
# FIXME if it is - update it and check to see if it applied
# check to see if there is no longer an update available for the pkgspec
if rc:
res['failed'] = True
else:
res['changed'] = True
module.exit_json(**res)
def ensure(module, state, pkgspec, conf_file, enablerepo, disablerepo,
disable_gpg_check):
# take multiple args comma separated
items = pkgspec.split(',')
# need debug level 2 to get 'Nothing to do' for groupinstall.
yum_basecmd = [yumbin, '-d', '2', '-y']
if not repoquery:
repoq = None
else:
repoq = [repoquery, '--show-duplicates', '--plugins', '--quiet', '-q']
if conf_file and os.path.exists(conf_file):
yum_basecmd += ['-c', conf_file]
if repoq:
repoq += ['-c', conf_file]
dis_repos =[]
en_repos = []
if disablerepo:
dis_repos = disablerepo.split(',')
if enablerepo:
en_repos = enablerepo.split(',')
for repoid in en_repos:
r_cmd = ['--enablerepo', repoid]
yum_basecmd.extend(r_cmd)
for repoid in dis_repos:
r_cmd = ['--disablerepo', repoid]
yum_basecmd.extend(r_cmd)
if state in ['installed', 'present', 'latest']:
my = yum_base(conf_file)
try:
for r in dis_repos:
my.repos.disableRepo(r)
current_repos = my.repos.repos.keys()
for r in en_repos:
try:
my.repos.enableRepo(r)
new_repos = my.repos.repos.keys()
for i in new_repos:
if not i in current_repos:
rid = my.repos.getRepo(i)
a = rid.repoXML.repoid
current_repos = new_repos
except yum.Errors.YumBaseError, e:
module.fail_json(msg="Error setting/accessing repo %s: %s" % (r, e))
except yum.Errors.YumBaseError, e:
module.fail_json(msg="Error accessing repos: %s" % e)
if state in ['installed', 'present']:
if disable_gpg_check:
yum_basecmd.append('--nogpgcheck')
install(module, items, repoq, yum_basecmd, conf_file, en_repos, dis_repos)
elif state in ['removed', 'absent']:
remove(module, items, repoq, yum_basecmd, conf_file, en_repos, dis_repos)
elif state == 'latest':
if disable_gpg_check:
yum_basecmd.append('--nogpgcheck')
latest(module, items, repoq, yum_basecmd, conf_file, en_repos, dis_repos)
# should be caught by AnsibleModule argument_spec
return dict(changed=False, failed=True, results='', errors='unexpected state')
def main():
# state=installed name=pkgspec
# state=removed name=pkgspec
# state=latest name=pkgspec
#
# informational commands:
# list=installed
# list=updates
# list=available
# list=repos
# list=pkgspec
module = AnsibleModule(
argument_spec = dict(
name=dict(aliases=['pkg']),
# removed==absent, installed==present, these are accepted as aliases
state=dict(default='installed', choices=['absent','present','installed','removed','latest']),
enablerepo=dict(),
disablerepo=dict(),
list=dict(),
conf_file=dict(default=None),
disable_gpg_check=dict(required=False, default="no", type='bool'),
),
required_one_of = [['name','list']],
mutually_exclusive = [['name','list']],
supports_check_mode = True
)
params = module.params
if params['list']:
if not repoquery:
module.fail_json(msg="repoquery is required to use list= with this module. Please install the yum-utils package.")
results = dict(results=list_stuff(module, params['conf_file'], params['list']))
module.exit_json(**results)
else:
pkg = params['name']
state = params['state']
enablerepo = params.get('enablerepo', '')
disablerepo = params.get('disablerepo', '')
disable_gpg_check = params['disable_gpg_check']
res = ensure(module, state, pkg, params['conf_file'], enablerepo,
disablerepo, disable_gpg_check)
module.fail_json(msg="we should never get here unless this all failed", **res)
# import module snippets
from ansible.module_utils.basic import *
main()
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