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420 lines
12 KiB
Python
420 lines
12 KiB
Python
#!/usr/bin/python -tt
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# (c) 2012, Red Hat, Inc
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# Written by Seth Vidal <skvidal at fedoraproject.org>
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#
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# This file is part of Ansible
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#
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# Ansible is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Ansible is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
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#
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import traceback
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import os
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def_qf = "%{name}-%{version}-%{release}.%{arch}"
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repoquery='/usr/bin/repoquery'
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yumbin='/usr/bin/yum'
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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 []
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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':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 repo == 'installed':
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d['yumstate'] = 'installed'
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else:
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d['yumstate'] = 'available'
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return d
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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 = '%s --plugins --quiet -q ' % repoquery
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if conf_file and os.path.exists(conf_file):
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repoq = '%s -c %s --plugins --quiet -q ' % (repoquery,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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out, err = cmd.communicate()
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except (OSError, IOError), e:
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rc = 1
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err = str(e)
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out = ''
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except:
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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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err = ''
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else:
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rc = cmd.returncode
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return rc, out, err
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def install(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['rc'] = 0
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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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# 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'].append('%s providing %s is already installed' % (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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cmd = "%s install '%s'" % (yum_basecmd, 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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res['changed'] = False
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res['rc'] = rc
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res['results'].append(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['rc'] = 0
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res['results'].append(out)
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res['msg'] += err
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module.exit_json(**res)
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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['rc'] = 0
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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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res['results'].append('%s is not installed' % spec)
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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 - 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'].append(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['rc'] = 0
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res['results'].append(out)
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res['msg'] += err
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module.exit_json(**res)
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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['rc'] = 0
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for spec in items:
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pkg = None
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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'].append("All packages providing %s are up to date" % spec)
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continue
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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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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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if rc:
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changed = False
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failed = True
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else:
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changed = True
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failed = False
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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'].append(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['rc'] = 0
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res['results'].append(out)
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res['msg'] += err
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module.exit_json(**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:
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items = pkgspec.split(',')
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yum_basecmd = '%s -d 1 -y ' % yumbin
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repoq = '%s --plugins --quiet -q ' % repoquery
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if conf_file and os.path.exists(conf_file):
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yum_basecmd = '%s -c %s -d 1 -y' % (yumbin, conf_file)
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repoq = '%s -c %s --plugins --quiet -q ' % (repoquery,conf_file)
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if state in ['installed', 'present']:
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install(module, items, repoq, yum_basecmd)
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elif state in ['removed', 'absent']:
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remove(module, items, repoq, yum_basecmd)
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elif state == 'latest':
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latest(module, items, repoq, yum_basecmd)
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# should be caught by AnsibleModule argument_spec
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return dict(changed=False, failed=True, results='', errors='unexpected state')
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def remove_only(pkgspec):
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# remove this pkg and only this pkg - fail if it will require more to remove
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pass
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def main():
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# state=installed pkg=pkgspec
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# state=removed pkg=pkgspec
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# state=latest pkg=pkgspec
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#
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# informational commands:
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# list=installed
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# list=updates
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# list=available
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# list=repos
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# list=pkgspec
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module = AnsibleModule(
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argument_spec = dict(
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pkg=dict(aliases=['name']),
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# removed==absent, installed==present, these are accepted as aliases
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state=dict(default='installed', choices=['absent','present','installed','removed','latest']),
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list=dict(choices=['installed','updates','available','repos','pkgspec']),
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conf_file=dict(default=None),
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)
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)
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params = module.params
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if params['list'] and params['pkg']:
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module.fail_json(msg="expected 'list=' or 'name=', but not both")
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if not os.path.exists(repoquery):
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module.fail_json(msg="%s is required to run this module. Please install the yum-utils package." % repoquery)
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if params['list']:
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results = dict(results=list_stuff(params['conf_file'], params['list']))
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module.exit_json(**results)
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else:
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pkg = params['pkg']
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if 'pkg' is None:
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module.fail_json(msg="expected 'list=' or 'name='")
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else:
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state = params['state']
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res = ensure(module, state, pkg, params['conf_file'])
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module.fail_json(msg="we should never get here unless this all failed", **res)
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# this is magic, see lib/ansible/module_common.py
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#<<INCLUDE_ANSIBLE_MODULE_COMMON>>
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main()
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