diff --git a/library/apt b/library/apt index 5f26114a35f..41705ce66ea 100755 --- a/library/apt +++ b/library/apt @@ -17,37 +17,15 @@ # along with this software. If not, see . # -try: - import json -except ImportError: - import simplejson as json -import os -import sys -import shlex -import subprocess -import syslog import traceback - # added to stave off future warnings about apt api import warnings; warnings.filterwarnings('ignore', "apt API not stable yet", FutureWarning) +# APT related constants APT_PATH = "/usr/bin/apt-get" APT = "DEBIAN_FRONTEND=noninteractive DEBIAN_PRIORITY=critical %s" % APT_PATH -def exit_json(rc=0, **kwargs): - print json.dumps(kwargs) - sys.exit(rc) - -def fail_json(**kwargs): - kwargs['failed'] = True - exit_json(rc=1, **kwargs) - -try: - import apt, apt_pkg -except ImportError: - fail_json(msg="could not import apt, please install the python-apt package on this host") - def run_apt(command): try: cmd = subprocess.Popen(command, shell=True, @@ -72,11 +50,11 @@ def package_split(pkgspec): else: return parts[0], None -def package_status(pkgname, version, cache): +def package_status(m, pkgname, version, cache): try: pkg = cache[pkgname] except KeyError: - fail_json(msg="No package matching '%s' is available" % pkgname) + m.fail_json(msg="No package matching '%s' is available" % pkgname) if version: try : return pkg.is_installed and pkg.installed.version == version, False @@ -90,9 +68,9 @@ def package_status(pkgname, version, cache): #assume older version of python-apt is installed return pkg.isInstalled, pkg.isUpgradable -def install(pkgspec, cache, upgrade=False, default_release=None, install_recommends=True, force=False): +def install(m, pkgspec, cache, upgrade=False, default_release=None, install_recommends=True, force=False): name, version = package_split(pkgspec) - installed, upgradable = package_status(name, version, cache) + installed, upgradable = package_status(m, name, version, cache) if not installed or (upgrade and upgradable): if force: force_yes = '--force-yes' @@ -104,107 +82,92 @@ def install(pkgspec, cache, upgrade=False, default_release=None, install_recomme cmd += " -t '%s'" % (default_release,) if not install_recommends: cmd += " --no-install-recommends" + rc, out, err = run_apt(cmd) if rc: - fail_json(msg="'apt-get install %s' failed: %s" % (pkgspec, err)) - return True + m.fail_json(msg="'apt-get install %s' failed: %s" % (pkgspec, err)) + else: + m.exit_json(changed=True) else: - return False + m.exit_json(changed=False) -def remove(pkgspec, cache, purge=False): +def remove(m, pkgspec, cache, purge=False): name, version = package_split(pkgspec) - installed, upgradable = package_status(name, version, cache) + installed, upgradable = package_status(m, name, version, cache) if not installed: - return False + m.exit_json(changed=False) else: purge = '--purge' if purge else '' 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" % (name, err)) - return True + m.fail_json(msg="'apt-get remove %s' failed: %s" % (name, err)) + m.exit_json(changed=True) -# =========================================== - -if not os.path.exists(APT_PATH): - fail_json(msg="Cannot find apt-get") - -argfile = sys.argv[1] -args = open(argfile, 'r').read() -items = shlex.split(args) -syslog.openlog('ansible-%s' % os.path.basename(__file__)) -syslog.syslog(syslog.LOG_NOTICE, 'Invoked with %s' % args) - -if not len(items): - fail_json(msg='the module requires arguments -a') - sys.exit(1) - -params = {} -for x in items: - (k, v) = x.split("=", 1) - params[k] = v - -state = params.get('state', 'installed') -package = params.get('pkg', params.get('package', params.get('name', None))) -update_cache = params.get('update-cache', 'no') -purge = params.get('purge', 'no') -default_release = params.get('default-release', None) -install_recommends = params.get('install-recommends', 'yes') -force = params.get('force', 'no') - -if state not in ['installed', 'latest', 'removed']: - fail_json(msg='invalid state') - -if update_cache not in ['yes', 'no']: - fail_json(msg='invalid value for update_cache (requires yes or no -- default is no') - -if purge not in ['yes', 'no']: - fail_json(msg='invalid value for purge (requires yes or no -- default is no)') - -if force not in ['yes', 'no']: - fail_json(msg='invalid option for force (requires yes or no -- default is no)') - -if package is None and update_cache != 'yes': - fail_json(msg='pkg=name and/or update-cache=yes is required') - -if install_recommends not in ['yes', 'no']: - fail_json(msg='invalid value for install-recommends (requires yes or no -- default is yes)') -install_recommends = (install_recommends == 'yes') - -cache = apt.Cache() -if default_release: - apt_pkg.config['APT::Default-Release'] = default_release - # reopen cache w/ modified config - cache.open(progress=None) - -if update_cache == 'yes': - cache.update() - cache.open(progress=None) - if package == None: - exit_json(changed=False) - -if force == 'yes': - force_yes = True -else: - force_yes = 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, - default_release=default_release, - install_recommends=install_recommends, - force=force_yes) -elif state == 'installed': - changed = install(package, cache, default_release=default_release, - install_recommends=install_recommends,force=force_yes) -elif state == 'removed': - changed = remove(package, cache, purge == 'yes') - -exit_json(changed=changed) +def main(): + module = AnsibleModule( + argument_spec = dict( + state = dict(default='installed', choices=['installed', 'latest', 'removed']), + update_cache = dict(default='no', choices=['yes', 'no']), + purge = dict(default='no', choices=['yes', 'no']), + package = dict(default=None, aliases=['pkg', 'name']), + default_release = dict(default=None, aliases=['default-release']), + install_recommends = dict(default='yes', aliases=['install-recommends'], choices=['yes', 'no']), + force = dict(default='no', choices=['yes', 'no']) + ) + ) + + try: + import apt, apt_pkg + except: + module.fail_json("Could not import python modules: apt, apt_pkg. Please install python-apt package.") + + if not os.path.exists(APT_PATH): + module.fail_json(msg="Cannot find apt-get") + + p = module.params + if p['package'] is None and p['update_cache'] != 'yes': + module.fail_json(msg='pkg=name and/or update-cache=yes is required') + + install_recommends = (p['install_recommends'] == 'yes') + + cache = apt.Cache() + if p['default_release']: + apt_pkg.config['APT::Default-Release'] = p['default_release'] + # reopen cache w/ modified config + cache.open(progress=None) + + if p['update_cache'] == 'yes': + cache.update() + cache.open(progress=None) + if p['package'] == None: + module.exit_json(changed=False) + + if p['force'] == 'yes': + force_yes = True + else: + force_yes = False + + if p['package'].count('=') > 1: + module.fail_json(msg='invalid package spec') + + if p['state'] == 'latest': + if '=' in p['package']: + module.fail_json(msg='version number inconsistent with state=latest') + install(module, p['package'], cache, upgrade=True, + default_release=p['default_release'], + install_recommends=install_recommends, + force=force_yes) + + elif p['state'] == 'installed': + install(module, p['package'], cache, default_release=p['default_release'], + install_recommends=install_recommends,force=force_yes) + elif p['state'] == 'removed': + remove(module, p['package'], cache, purge == 'yes') + +# this is magic, see lib/ansible/module_common.py +#<> +main()