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Merge pull request #191 from dne/apt-install-version

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Apt module support for installing/removing specific version of package
This commit is contained in:
Michael DeHaan 2012-04-21 18:38:11 -07:00
commit e3967af656
1 changed files with 28 additions and 11 deletions
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39
library/apt
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@ -63,16 +63,27 @@ def run_apt(command):
rc = cmd.returncode
return rc, out, err
def package_status(pkgspec, cache):
def package_split(pkgspec):
parts = pkgspec.split('=')
if len(parts) > 1:
return parts[0], parts[1]
else:
return parts[0], None
def package_status(pkgname, version, cache):
try:
pkg = cache[pkgspec]
except:
fail_json(msg="No package matching '%s' is available" % pkgspec)
return (pkg.is_installed, pkg.is_upgradable)
pkg = cache[pkgname]
except KeyError:
fail_json(msg="No package matching '%s' is available" % pkgname)
if version:
return pkg.is_installed and pkg.installed.version == version, False
else:
return pkg.is_installed, pkg.is_upgradable
def install(pkgspec, cache, upgrade=False):
(installed, upgradable) = package_status(pkgspec, cache)
if (not installed) or (upgrade and upgradable):
name, version = package_split(pkgspec)
installed, upgradable = package_status(name, version, cache)
if not installed or (upgrade and upgradable):
cmd = "%s -q -y install '%s'" % (APT, pkgspec)
rc, out, err = run_apt(cmd)
if rc:
@ -82,15 +93,16 @@ def install(pkgspec, cache, upgrade=False):
return False
def remove(pkgspec, cache, purge=False):
(installed, upgradable) = package_status(pkgspec, cache)
name, version = package_split(pkgspec)
installed, upgradable = package_status(name, version, cache)
if not installed:
return False
else:
purge = '--purge' if purge else ''
cmd = "%s -q -y %s remove '%s'" % (APT, purge, pkgspec)
cmd = "%s -q -y %s remove '%s'" % (APT, purge, name)
rc, out, err = run_apt(cmd)
if rc:
fail_json(msg="'apt-get remove %s' failed: %s" % (pkgspec, err))
fail_json(msg="'apt-get remove %s' failed: %s" % (name, err))
return True
@ -109,7 +121,7 @@ if not len(items):
params = {}
for x in items:
(k, v) = x.split("=")
(k, v) = x.split("=", 1)
params[k] = v
state = params.get('state','installed')
@ -137,7 +149,12 @@ if update_cache == 'yes':
if package == None:
exit_json(changed=False)
if package.count('=') > 1:
fail_json(msg='invalid package spec')
if state == 'latest':
if '=' in package:
fail_json(msg='version number inconsistent with state=latest')
changed = install(package, cache, upgrade=True)
elif state == 'installed':
changed = install(package, cache)