Tweak and extend the pkgin module
- make path to pkgin a global and stop passing it around; it's not going to change while ansible is running - add support for several new options: * upgrade * full_upgrade * force * clean - allow for update_cache to be run in the same task as upgrading/installing packages instead of needing a separate task for that
This commit is contained in:
Jasper Lievisse Adriaanse
René Moser
parent
10def11d39
commit
85c1440ede
1 changed files with 132 additions and 28 deletions
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@ -3,6 +3,7 @@
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# Copyright (c) 2013 Shaun Zinck <shaun.zinck at gmail.com>
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# Copyright (c) 2015 Lawrence Leonard Gilbert <larry@L2G.to>
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# Copyright (c) 2016 Jasper Lievisse Adriaanse <j at jasper.la>
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#
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# Written by Shaun Zinck
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# Based on pacman module written by Afterburn <http://github.com/afterburn>
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@ -33,6 +34,7 @@ version_added: "1.0"
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author:
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- "Larry Gilbert (L2G)"
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- "Shaun Zinck (@szinck)"
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- "Jasper Lievisse Adriaanse (@jasperla)"
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notes:
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- "Known bug with pkgin < 0.8.0: if a package is removed and another
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package depends on it, the other package will be silently removed as
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@ -57,6 +59,34 @@ options:
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default: no
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choices: [ "yes", "no" ]
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version_added: "2.1"
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upgrade:
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description:
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- Upgrade main packages to their newer versions
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required: false
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default: no
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choices: [ "yes", "no" ]
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version_added: "2.1"
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full_upgrade:
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description:
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- Upgrade all packages to their newer versions
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required: false
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default: no
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choices: [ "yes", "no" ]
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version_added: "2.1"
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clean:
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description:
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- Clean packages cache
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required: false
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default: no
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choices: [ "yes", "no" ]
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version_added: "2.1"
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force:
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description:
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- Force package reinstall
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required: false
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default: no
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choices: [ "yes", "no" ]
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version_added: "2.1"
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'''
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EXAMPLES = '''
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@ -74,12 +104,24 @@ EXAMPLES = '''
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# Update repositories as a separate step
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- pkgin: update_cache=yes
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# Upgrade main packages (equivalent to C(pkgin upgrade))
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- pkgin: upgrade=yes
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# Upgrade all packages (equivalent to C(pkgin full-upgrade))
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- pkgin: full_upgrade=yes
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# Force-upgrade all packages (equivalent to C(pkgin -F full-upgrade))
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- pkgin: full_upgrade=yes force=yes
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# clean packages cache (equivalent to C(pkgin clean))
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- pkgin: clean=yes
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'''
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import re
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def query_package(module, pkgin_path, name):
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def query_package(module, name):
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"""Search for the package by name.
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Possible return values:
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@ -89,7 +131,7 @@ def query_package(module, pkgin_path, name):
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"""
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# test whether '-p' (parsable) flag is supported.
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rc, out, err = module.run_command("%s -p -v" % pkgin_path)
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rc, out, err = module.run_command("%s -p -v" % PKGIN_PATH)
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if rc == 0:
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pflag = '-p'
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@ -100,7 +142,7 @@ def query_package(module, pkgin_path, name):
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# Use "pkgin search" to find the package. The regular expression will
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# only match on the complete name.
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rc, out, err = module.run_command("%s %s search \"^%s$\"" % (pkgin_path, pflag, name))
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rc, out, err = module.run_command("%s %s search \"^%s$\"" % (PKGIN_PATH, pflag, name))
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# rc will not be 0 unless the search was a success
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if rc == 0:
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@ -162,37 +204,43 @@ def format_action_message(module, action, count):
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return message + "s"
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def format_pkgin_command(module, pkgin_path, command, package=None):
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def format_pkgin_command(module, command, package=None):
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# Not all commands take a package argument, so cover this up by passing
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# an empty string. Some commands (e.g. 'update') will ignore extra
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# arguments, however this behaviour cannot be relied on for others.
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if package is None:
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package = ""
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vars = { "pkgin": pkgin_path,
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if module.params["force"]:
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force = "-F"
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else:
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force = ""
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vars = { "pkgin": PKGIN_PATH,
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"command": command,
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"package": package }
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"package": package,
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"force": force}
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if module.check_mode:
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return "%(pkgin)s -n %(command)s %(package)s" % vars
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else:
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return "%(pkgin)s -y %(command)s %(package)s" % vars
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return "%(pkgin)s -y %(force)s %(command)s %(package)s" % vars
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def remove_packages(module, pkgin_path, packages):
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def remove_packages(module, packages):
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remove_c = 0
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# Using a for loop incase of error, we can report the package that failed
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for package in packages:
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# Query the package first, to see if we even need to remove
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if not query_package(module, pkgin_path, package):
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if not query_package(module, package):
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continue
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rc, out, err = module.run_command(
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format_pkgin_command(module, pkgin_path, "remove", package))
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format_pkgin_command(module, "remove", package))
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if not module.check_mode and query_package(module, pkgin_path, package):
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if not module.check_mode and query_package(module, package):
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module.fail_json(msg="failed to remove %s: %s" % (package, out))
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remove_c += 1
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@ -203,18 +251,18 @@ def remove_packages(module, pkgin_path, packages):
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module.exit_json(changed=False, msg="package(s) already absent")
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def install_packages(module, pkgin_path, packages):
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def install_packages(module, packages):
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install_c = 0
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for package in packages:
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if query_package(module, pkgin_path, package):
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if query_package(module, package):
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continue
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rc, out, err = module.run_command(
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format_pkgin_command(module, pkgin_path, "install", package))
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format_pkgin_command(module, "install", package))
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if not module.check_mode and not query_package(module, pkgin_path, package):
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if not module.check_mode and not query_package(module, package):
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module.fail_json(msg="failed to install %s: %s" % (package, out))
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install_c += 1
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@ -224,41 +272,97 @@ def install_packages(module, pkgin_path, packages):
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module.exit_json(changed=False, msg="package(s) already present")
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def update_package_db(module, pkgin_path):
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def update_package_db(module):
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rc, out, err = module.run_command(
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format_pkgin_command(module, pkgin_path, "update"))
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format_pkgin_command(module, "update"))
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if rc == 0:
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return True
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if re.search('database for.*is up-to-date\n$', out):
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return False, "datebase is up-to-date"
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else:
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return True, "updated repository database"
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else:
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module.fail_json(msg="could not update package db")
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def do_upgrade_packages(module, full=False):
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if full:
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cmd = "full-upgrade"
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else:
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cmd = "upgrade"
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rc, out, err = module.run_command(
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format_pkgin_command(module, cmd))
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if rc == 0:
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if re.search('^nothing to do.\n$', out):
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module.exit_json(changed=False, msg="nothing left to upgrade")
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else:
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module.fail_json(msg="could not %s packages" % cmd)
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def upgrade_packages(module):
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do_upgrade_packages(module)
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def full_upgrade_packages(module):
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do_upgrade_packages(module, True)
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def clean_cache(module):
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rc, out, err = module.run_command(
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format_pkgin_command(module, "clean"))
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if rc == 0:
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# There's no indication if 'clean' actually removed anything,
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# so assume it did.
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module.exit_json(changed=True, msg="cleaned caches")
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else:
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module.fail_json(msg="could not clean package cache")
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def main():
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module = AnsibleModule(
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argument_spec = dict(
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state = dict(default="present", choices=["present","absent"]),
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name = dict(aliases=["pkg"], type='list'),
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update_cache = dict(default='no', type='bool')),
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required_one_of = [['name', 'update_cache']],
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update_cache = dict(default='no', type='bool'),
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upgrade = dict(default='no', type='bool'),
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full_upgrade = dict(default='no', type='bool'),
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clean = dict(default='no', type='bool'),
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force = dict(default='no', type='bool')),
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required_one_of = [['name', 'update_cache', 'upgrade', 'full_upgrade', 'clean']],
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supports_check_mode = True)
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pkgin_path = module.get_bin_path('pkgin', True, ['/opt/local/bin'])
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global PKGIN_PATH
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PKGIN_PATH = module.get_bin_path('pkgin', True, ['/opt/local/bin'])
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module.run_command_environ_update = dict(LANG='C', LC_ALL='C', LC_MESSAGES='C', LC_CTYPE='C')
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p = module.params
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if p["update_cache"]:
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c, msg = update_package_db(module)
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if not (p['name'] or p["upgrade"] or p["full_upgrade"]):
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module.exit_json(changed=c, msg=msg)
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if p["upgrade"]:
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upgrade_packages(module)
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if not p['name']:
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module.exit_json(changed=True, msg='upgraded packages')
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if p["full_upgrade"]:
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full_upgrade_packages(module)
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if not p['name']:
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module.exit_json(changed=True, msg='upgraded all packages')
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if p["clean"]:
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clean_cache(module)
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if not p['name']:
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module.exit_json(changed=True, msg='cleaned caches')
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pkgs = p["name"]
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if p["update_cache"]:
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update_package_db(module, pkgin_path)
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if not p['name']:
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module.exit_json(changed=True, msg='updated repository database')
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if p["state"] == "present":
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install_packages(module, pkgin_path, pkgs)
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install_packages(module, pkgs)
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elif p["state"] == "absent":
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remove_packages(module, pkgin_path, pkgs)
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remove_packages(module, pkgs)
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# import module snippets
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from ansible.module_utils.basic import *
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