redo of yum module - uses more system calls but should handle
random plugin vomit better. also should handle multiple withitems in a single execution, now.
This commit is contained in:
Seth Vidal
parent
abc19c1e16
commit
ecc1d0420a
1 changed files with 289 additions and 186 deletions
475
yum
475
yum
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@ -18,82 +18,109 @@
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# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
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#
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import yum
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import datetime
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import traceback
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import os
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def yum_base(conf_file=None, cachedir=False):
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my = yum.YumBase()
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my.preconf.debuglevel=0
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if conf_file and os.path.exists(conf_file):
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my.preconf.fn = conf_file
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if cachedir:
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if hasattr(my, 'setCacheDir'):
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my.setCacheDir()
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else:
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cachedir = yum.misc.getCacheDir()
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my.repos.setCacheDir(cachedir)
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my.conf.cache = 0
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def_qf = "%{name}-%{version}-%{release}.%{arch}"
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def is_installed(repoq, pkgspec, qf=def_qf):
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cmd = repoq + "--disablerepo=\* --pkgnarrow=installed --qf '%s' %s " % (qf, pkgspec)
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rc,out,err = run(cmd)
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if rc == 0:
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return [ p for p in out.split('\n') if p.strip() ]
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return my
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return []
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def pkg_to_dict(po):
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def is_available(repoq, pkgspec, qf=def_qf):
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cmd = repoq + "--qf '%s' %s " % (qf, pkgspec)
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rc,out,err = run(cmd)
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if rc == 0:
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return [ p for p in out.split('\n') if p.strip() ]
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return []
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def is_update(repoq, pkgspec, qf=def_qf):
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cmd = repoq + "--pkgnarrow=updates --qf '%s' %s " % (qf, pkgspec)
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rc,out,err = run(cmd)
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if rc == 0:
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return set([ p for p in out.split('\n') if p.strip() ])
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return []
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def what_provides(repoq, req_spec, qf=def_qf):
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cmd = repoq + "--qf '%s' --whatprovides %s" % (qf, req_spec)
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rc,out,err = run(cmd)
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ret = []
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if rc == 0:
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ret = set([ p for p in out.split('\n') if p.strip() ])
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return ret
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def local_nvra(path):
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"""return nvra of a local rpm passed in"""
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cmd = "/bin/rpm -qp --qf='%%{name}-%%{version}-%%{release}.%%{arch}\n' %s'" % path
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rc, out, err = run(cmd)
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if rc != 0:
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return None
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nvra = out.split('\n')[0]
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return nvra
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def pkg_to_dict(pkgstr):
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if pkgstr.strip():
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n,e,v,r,a,repo = pkgstr.split('|')
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else:
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return {'error_parsing': pkgstr}
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d = {
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'name':po.name,
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'arch':po.arch,
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'epoch':po.epoch,
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'release':po.release,
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'version':po.version,
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'name':n,
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'arch':a,
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'epoch':e,
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'release':r,
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'version':v,
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'repo':repo,
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'nevra': '%s:%s-%s-%s.%s' % (e,n,v,r,a)
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}
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if type(po) == yum.rpmsack.RPMInstalledPackage:
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if repo == 'installed':
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d['yumstate'] = 'installed'
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d['repo'] = 'installed'
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else:
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d['yumstate'] = 'available'
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d['repo'] = po.repoid
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if hasattr(po, 'ui_from_repo'):
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d['repo'] = po.ui_from_repo
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if hasattr(po, 'ui_nevra'):
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d['_nevra'] = po.ui_nevra
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else:
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d['_nevra'] = '%s-%s-%s.%s' % (po.name, po.version, po.release, po.arch)
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return d
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def list_stuff(my, stuff):
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# FIXME - there are potential tracebacks that could occur here
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# need some more catching for them so we can see what happened
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if stuff == 'installed':
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return [ pkg_to_dict(po) for po in my.rpmdb ]
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elif stuff == 'updates':
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return [ pkg_to_dict(po) for
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po in my.doPackageLists(pkgnarrow='updates').updates ]
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elif stuff == 'available':
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return [ pkg_to_dict(po) for po in my.pkgSack ]
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elif stuff == 'repos':
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r = []
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for repo in my.repos.repos.values():
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t = {}
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s = 'disabled'
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if repo.enabled:
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s = 'enabled'
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t[repo.id] = s
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r.append(t)
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return r
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else:
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e,m,u = my.rpmdb.matchPackageNames([stuff])
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p = e + m
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e,m,u = my.pkgSack.matchPackageNames([stuff])
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p = p + e + m
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return [ pkg_to_dict(po) for po in p ]
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def run_yum(command):
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def repolist(repoq, qf="%{repoid}"):
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cmd = repoq + "--qf '%s' -a" % (qf)
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rc,out,err = run(cmd)
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ret = []
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if rc == 0:
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ret = set([ p for p in out.split('\n') if p.strip() ])
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return ret
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def list_stuff(conf_file, stuff):
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qf = "%{name}|%{epoch}|%{version}|%{release}|%{arch}|%{repoid}"
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repoq = '/usr/bin/repoquery --plugins --quiet -q '
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if conf_file and os.path.exists(conf_file):
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repoq = '/usr/bin/repoquery -c %s --plugins --quiet -q ' % conf_file
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if stuff == 'installed':
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return [ pkg_to_dict(p) for p in is_installed(repoq, '-a', qf=qf) if p.strip() ]
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elif stuff == 'updates':
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return [ pkg_to_dict(p) for p in is_update(repoq, '-a', qf=qf) if p.strip() ]
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elif stuff == 'available':
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return [ pkg_to_dict(p) for p in is_available(repoq, '-a', qf=qf) if p.strip() ]
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elif stuff == 'repos':
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return [ dict(repoid=name, state='enabled') for name in repolist(repoq) if name.strip() ]
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else:
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return [ pkg_to_dict(p) for p in is_installed(repoq, stuff, qf=qf) + is_available(repoq, stuff, qf=qf) if p.strip() ]
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def run(command):
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try:
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cmd = subprocess.Popen(command, shell=True,
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stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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@ -106,7 +133,7 @@ def run_yum(command):
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rc = 1
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err = traceback.format_exc()
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out = ''
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if out is None:
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out = ''
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if err is None:
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@ -116,119 +143,176 @@ def run_yum(command):
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return rc, out, err
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def ensure(my, state, pkgspec):
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yumconf = my.conf.config_file_path
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def install(module, items, repoq, yum_basecmd):
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res = {}
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if state in [ 'installed', 'present' ]:
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# check if pkgspec is installed
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if re.search('[></=]',pkgspec):
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try:
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pkgs = my.returnInstalledPackagesByDep(pkgspec)
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except yum.Errors.YumBaseError:
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pkgs = None
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res['results'] = ''
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res['msg'] = ''
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res['rc'] = 0
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res['failed'] = False
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res['changed'] = False
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for spec in items:
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pkg = None
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# check if pkgspec is installed (if possible for idempotence)
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# localpkg
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if spec.endswith('.rpm'):
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# get the pkg name-v-r.arch
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nvra = local_nvra(spec)
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# look for them in the rpmdb
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if is_installed(repoq, nvra):
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# if they are there, skip it
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continue
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pkg = spec
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#groups :(
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elif spec.startswith('@'):
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# complete wild ass guess b/c it's a group
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pkg = spec
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# range requires or file-requires or pkgname :(
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else:
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e,m,u = my.rpmdb.matchPackageNames([pkgspec])
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pkgs = e +m
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# look up what pkgs provide this
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pkglist = what_provides(repoq, spec)
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if not pkglist:
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res['msg'] += "No Package matching '%s' found available, installed or updated" % spec
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res['failed'] = True
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module.exit_json(**res)
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# if any of them are installed
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# then nothing to do
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found = False
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for this in pkglist:
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if is_installed(repoq, this):
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found = True
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res['results'] += '%s providing %s is already installed\n' % (this, spec)
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if found:
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continue
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# if not - then pass in the spec as what to install
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# we could get here if nothing provides it but that's not
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# the error we're catching here
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pkg = spec
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if pkgs:
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return { 'changed':False }
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# if not see if it is available
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if re.search('[></=]',pkgspec):
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try:
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pkgs = my.returnPackagesByDep(pkgspec)
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except yum.Errors.YumBaseError:
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pkgs = None
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else:
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e,m,u = my.pkgSack.matchPackageNames([pkgspec])
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pkgs = e +m
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if not pkgs:
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msg = "No Package matching %s available" % pkgspec
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return { 'changed':False, 'failed': True, 'msg':msg }
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my.close()
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del my
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cmd = "yum -c %s -d1 -y install '%s'" % (yumconf, pkgspec)
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rc, out, err = run_yum(cmd)
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cmd = "%s install '%s'" % (yum_basecmd, pkg)
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res['results'] += "\nInstalling %s\n" % pkg
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rc, out, err = run(cmd)
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# FIXME - if we did an install - go and check the rpmdb to see if it actually installed
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# look for the pkg in rpmdb
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# look for the pkg via obsoletes
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if rc:
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changed = False
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failed = True
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res['changed'] = False
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res['failed'] = True
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res['rc'] = rc
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res['results'] += out
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res['msg'] += err
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else:
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changed = True
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failed = False
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res['changed'] = True
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res['failed'] = False
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res['rc'] = 0
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res['results'] += out
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res['msg'] += err
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module.exit_json(**res)
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res['changed'] = changed
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if failed:
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res['failed'] = failed
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res['msg'] = err
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res['results'] = out
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return res
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if state in [ 'absent', 'removed' ]:
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# check if pkgspec is installed
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# if not return {changed: False, failed=False }
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# if so try to remove it:
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# if successfull {changed:True, failed=False, results=stdout, errors=stderr }
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# if fail {'changed':False, failed='True', results=stdout, errors=stderr }
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yumconf = my.conf.config_file_path
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if re.search('[></=]',pkgspec):
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try:
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pkgs = my.returnInstalledPackagesByDep(pkgspec)
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except yum.Errors.YumBaseError:
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pkgs = None
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else:
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e,m,u = my.rpmdb.matchPackageNames([pkgspec])
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pkgs = e +m
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if not pkgs:
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return { 'changed':False }
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def remove(module, items, repoq, yum_basecmd):
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res = {}
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res['results'] = ''
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res['msg'] = ''
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res['changed'] = False
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res['failed'] = False
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res['rc'] = 0
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my.close()
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del my
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cmd = "yum -c %s -d1 -y remove '%s'" % (yumconf, pkgspec)
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rc, out, err = run_yum(cmd)
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for spec in items:
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pkg = None
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# group remove - hope you like things dying!
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if spec.startswith('@'):
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pkg = spec
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# req or pkgname remove
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else:
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pkglist = what_provides(repoq, spec)
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if not pkglist:
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res['msg'] += "No Package matching '%s' found available, installed or updated" % spec
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res['failed']=True
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module.exit_json(**res)
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found = False
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for this in pkglist:
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if is_installed(repoq, this):
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found = True
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if not found:
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continue
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pkg = spec
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cmd = "%s remove '%s'" % (yum_basecmd, pkg)
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rc, out, err = run(cmd)
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# FIXME if we ran the remove - check to make sure it actually removed :(
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# look for the pkg in the rpmdb
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if rc:
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changed = False
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failed = True
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# look for the pkg in the rpmdb - this is notoriously hard for groups :(
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if rc != 0:
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res['changed'] = False
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res['failed'] = True
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res['rc'] = rc
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res['results'] += out
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res['msg'] += err
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else:
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changed = True
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failed = False
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res['changed'] = True
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res['failed'] = False
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res['rc'] = 0
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res['results'] += out
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res['msg'] += err
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module.exit_json(**res)
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res['changed'] = changed
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def latest(module, items, repoq, yum_basecmd):
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res = {}
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res['results'] = ''
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res['msg'] = ''
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res['changed'] = False
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res['failed'] = False
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res['rc'] = 0
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for spec in items:
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pkg = None
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if failed:
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res['failed'] = failed
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res['msg'] = err
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res['results'] = out
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return res
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# groups, again
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if spec.startswith('@'):
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pkg = spec
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# dep/pkgname - find it
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else:
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pkglist = what_provides(repoq, spec)
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if not pkglist:
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res['msg'] += "No Package matching '%s' found available, installed or updated" % spec
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res['failed']=True
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module.exit_json(**res)
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found = False
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nothing_to_do = False
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can_be_installed = True
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for this in pkglist:
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if is_installed(repoq, this):
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if is_update(repoq, this):
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found = True
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else:
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nothing_to_do = True
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if nothing_to_do:
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res['results'] += "All packages providing %s are up to date" % spec
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continue
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if state == 'latest':
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updates = my.doPackageLists(pkgnarrow='updates', patterns=[pkgspec]).updates
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# sucks but this is for rhel5 - won't matter for rhel6 or fedora or whatnot
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e,m,u = yum.parsePackages(updates, [pkgspec], casematch=True)
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updates = e + m
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avail = my.doPackageLists(pkgnarrow='available', patterns=[pkgspec]).available
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if not updates and not avail:
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if not my.doPackageLists(pkgnarrow='installed', patterns=[pkgspec]).installed:
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msg = "No Package matching '%s' found available, installed or updated" % pkgspec
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return { 'changed':False, 'failed':True, 'msg': msg }
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return { 'changed':False,}
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if not found:
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basecmd = 'install'
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else:
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basecmd = 'update'
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# we have something in updates or available
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if not updates:
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cmd = "yum -c %s -d1 -y install '%s'" % (yumconf, pkgspec)
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else:
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cmd = "yum -c %s -d1 -y update '%s'" % (yumconf, pkgspec)
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rc, out, err = run_yum(cmd)
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pkg = spec
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cmd = "%s %s '%s'" % (yum_basecmd, basecmd, pkg)
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rc, out, err = run(cmd)
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# FIXME if it is - update it and check to see if it applied
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# check to see if there is no longer an update available for the pkgspec
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@ -240,24 +324,50 @@ def ensure(my, state, pkgspec):
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failed = False
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res['changed'] = changed
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if rc:
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res['changed'] = False
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res['failed'] = True
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res['rc'] = rc
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res['results'] += out
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res['msg'] += err
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else:
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res['changed'] = True
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res['failed'] = False
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res['rc'] = 0
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res['results'] += out
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res['msg'] += err
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module.exit_json(**res)
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if failed:
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res['failed'] = failed
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res['msg'] = err
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res['results'] = out
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return res
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def ensure(module, state, pkgspec, conf_file):
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res = {}
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stdout = ""
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stderr = ""
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# take multiple args comma separated
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items = [pkgspec]
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if pkgspec.find(',') != -1:
|
||||
items = pkgspec.split(',')
|
||||
|
||||
yum_basecmd = '/usr/bin/yum -d1 -y '
|
||||
repoq = '/usr/bin/repoquery --plugins --quiet -q '
|
||||
if conf_file and os.path.exists(conf_file):
|
||||
yum_basecmd = '/usr/bin/yum -c %s -d1 -y' % conf_file
|
||||
repoq = '/usr/bin/repoquery -c %s --plugins --quiet -q ' % conf_file
|
||||
|
||||
if state in ['installed', 'present']:
|
||||
install(module, items, repoq, yum_basecmd)
|
||||
elif state in ['removed', 'absent']:
|
||||
remove(module, items, repoq, yum_basecmd)
|
||||
elif state == 'latest':
|
||||
latest(module, items, repoq, yum_basecmd)
|
||||
|
||||
# should be caught by AnsibleModule argument_spec
|
||||
return dict(changed=False, failed=True, results='', errors="unexpected state: %s" % state)
|
||||
return dict(changed=False, failed=True, results='', errors='unexpected state')
|
||||
|
||||
|
||||
|
||||
def update(args):
|
||||
#generic update routine
|
||||
pass
|
||||
|
||||
def remove_only(pkgspec):
|
||||
# remove this pkg and only this pkg - fail if it will require more to remove
|
||||
pass
|
||||
|
|
@ -276,25 +386,22 @@ def main():
|
|||
|
||||
module = AnsibleModule(
|
||||
argument_spec = dict(
|
||||
pkg=dict(aliases=['name','package']),
|
||||
pkg=dict(aliases=['name']),
|
||||
# removed==absent, installed==present, these are accepted as aliases
|
||||
state=dict(default='installed', choices=['absent','present','installed','removed','latest']),
|
||||
list=dict(choices=['installed','updates','available','repos','pkgspec']),
|
||||
conf_file=dict()
|
||||
conf_file=dict(default=None),
|
||||
)
|
||||
)
|
||||
|
||||
params = module.params
|
||||
|
||||
|
||||
if params['list'] and params['pkg']:
|
||||
module.fail_json(msg="expected 'list=' or 'name=', but not both")
|
||||
|
||||
if params['list']:
|
||||
try:
|
||||
my = yum_base(conf_file=params['conf_file'], cachedir=True)
|
||||
results = dict(results=list_stuff(my, params['list']))
|
||||
except Exception, e:
|
||||
module.fail_json(msg=str(e))
|
||||
results = dict(results=list_stuff(params['conf_file'], params['list']))
|
||||
module.exit_json(**results)
|
||||
|
||||
else:
|
||||
|
|
@ -302,13 +409,9 @@ def main():
|
|||
if 'pkg' is None:
|
||||
module.fail_json(msg="expected 'list=' or 'name='")
|
||||
else:
|
||||
try:
|
||||
my = yum_base(conf_file=params['conf_file'], cachedir=True)
|
||||
state = params['state']
|
||||
results = ensure(my, state, pkg)
|
||||
except Exception, e:
|
||||
module.fail_json(msg=str(e))
|
||||
module.exit_json(**results)
|
||||
state = params['state']
|
||||
res = ensure(module, state, pkg, params['conf_file'])
|
||||
module.fail_json(msg="we should never get here unless this all failed", **res)
|
||||
|
||||
# this is magic, see lib/ansible/module_common.py
|
||||
#<<INCLUDE_ANSIBLE_MODULE_COMMON>>
|
||||
|
|
|
|||
Loading…
Reference in a new issue