mirror of
https://github.com/ansible-collections/community.general.git
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f7176df480
* sorcery: update only specified grimoires * Update plugins/modules/sorcery.py Co-authored-by: Felix Fontein <felix@fontein.de> * Add a flag to omit listing new repositories before add/remove * No need to append an empty string --------- Co-authored-by: Felix Fontein <felix@fontein.de>
770 lines
24 KiB
Python
770 lines
24 KiB
Python
#!/usr/bin/python
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# -*- coding: utf-8 -*-
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# Copyright (c) 2015-2023, Vlad Glagolev <scm@vaygr.net>
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#
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# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
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# SPDX-License-Identifier: GPL-3.0-or-later
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from __future__ import absolute_import, division, print_function
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__metaclass__ = type
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DOCUMENTATION = r'''
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---
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module: sorcery
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short_description: Package manager for Source Mage GNU/Linux
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description:
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- Manages "spells" on Source Mage GNU/Linux using I(sorcery) toolchain
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author: "Vlad Glagolev (@vaygr)"
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notes:
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- When all three components are selected, the update goes by the sequence --
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Sorcery -> Grimoire(s) -> Spell(s); you cannot override it.
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- Grimoire handling is supported since community.general 7.3.0.
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requirements:
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- bash
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extends_documentation_fragment:
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- community.general.attributes
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attributes:
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check_mode:
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support: full
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diff_mode:
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support: none
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options:
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name:
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description:
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- Name of the spell or grimoire.
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- Multiple names can be given, separated by commas.
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- Special value V(*) in conjunction with states V(latest) or
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V(rebuild) will update or rebuild the whole system respectively
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- The alias O(grimoire) was added in community.general 7.3.0.
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aliases: ["spell", "grimoire"]
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type: list
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elements: str
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repository:
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description:
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- Repository location.
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- If specified, O(name) represents grimoire(s) instead of spell(s).
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- Special value V(*) will pull grimoire from the official location.
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- Only single item in O(name) in conjunction with V(*) can be used.
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- O(state=absent) must be used with a special value V(*).
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type: str
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version_added: 7.3.0
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state:
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description:
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- Whether to cast, dispel or rebuild a package.
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- State V(cast) is an equivalent of V(present), not V(latest).
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- State V(rebuild) implies cast of all specified spells, not only
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those existed before.
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choices: ["present", "latest", "absent", "cast", "dispelled", "rebuild"]
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default: "present"
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type: str
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depends:
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description:
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- Comma-separated list of _optional_ dependencies to build a spell
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(or make sure it is built) with; use V(+)/V(-) in front of dependency
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to turn it on/off (V(+) is optional though).
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- This option is ignored if O(name) parameter is equal to V(*) or
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contains more than one spell.
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- Providers must be supplied in the form recognized by Sorcery,
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for example 'V(openssl(SSL\))'.
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type: str
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update:
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description:
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- Whether or not to update sorcery scripts at the very first stage.
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type: bool
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default: false
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update_cache:
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description:
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- Whether or not to update grimoire collection before casting spells.
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type: bool
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default: false
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aliases: ["update_codex"]
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cache_valid_time:
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description:
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- Time in seconds to invalidate grimoire collection on update.
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- Especially useful for SCM and rsync grimoires.
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- Makes sense only in pair with O(update_cache).
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type: int
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default: 0
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'''
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EXAMPLES = '''
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- name: Make sure spell foo is installed
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community.general.sorcery:
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spell: foo
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state: present
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- name: Make sure spells foo, bar and baz are removed
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community.general.sorcery:
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spell: foo,bar,baz
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state: absent
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- name: Make sure spell foo with dependencies bar and baz is installed
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community.general.sorcery:
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spell: foo
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depends: bar,baz
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state: present
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- name: Make sure spell foo with bar and without baz dependencies is installed
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community.general.sorcery:
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spell: foo
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depends: +bar,-baz
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state: present
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- name: Make sure spell foo with libressl (providing SSL) dependency is installed
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community.general.sorcery:
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spell: foo
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depends: libressl(SSL)
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state: present
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- name: Make sure spells with/without required dependencies (if any) are installed
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community.general.sorcery:
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name: "{{ item.spell }}"
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depends: "{{ item.depends | default(None) }}"
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state: present
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loop:
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- { spell: 'vifm', depends: '+file,-gtk+2' }
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- { spell: 'fwknop', depends: 'gpgme' }
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- { spell: 'pv,tnftp,tor' }
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- name: Install the latest version of spell foo using regular glossary
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community.general.sorcery:
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name: foo
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state: latest
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- name: Rebuild spell foo
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community.general.sorcery:
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spell: foo
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state: rebuild
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- name: Rebuild the whole system, but update Sorcery and Codex first
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community.general.sorcery:
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spell: '*'
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state: rebuild
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update: true
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update_cache: true
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- name: Refresh the grimoire collection if it is 1 day old using native sorcerous alias
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community.general.sorcery:
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update_codex: true
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cache_valid_time: 86400
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- name: Make sure stable grimoire is present
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community.general.sorcery:
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name: stable
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repository: '*'
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state: present
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- name: Make sure binary and stable-rc grimoires are removed
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community.general.sorcery:
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grimoire: binary,stable-rc
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repository: '*'
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state: absent
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- name: Make sure games grimoire is pulled from rsync
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community.general.sorcery:
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grimoire: games
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repository: "rsync://download.sourcemage.org::codex/games"
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state: present
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- name: Make sure a specific branch of stable grimoire is pulled from git
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community.general.sorcery:
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grimoire: stable.git
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repository: "git://download.sourcemage.org/smgl/grimoire.git:stable.git:stable-0.62"
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state: present
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- name: Update only Sorcery itself
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community.general.sorcery:
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update: true
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'''
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RETURN = '''
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'''
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import datetime
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import fileinput
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import os
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import re
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import shutil
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import sys
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from ansible.module_utils.basic import AnsibleModule
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# auto-filled at module init
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SORCERY = {
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'sorcery': None,
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'scribe': None,
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'cast': None,
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'dispel': None,
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'gaze': None
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}
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SORCERY_LOG_DIR = "/var/log/sorcery"
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SORCERY_STATE_DIR = "/var/state/sorcery"
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NA = "N/A"
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def get_sorcery_ver(module):
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""" Get Sorcery version. """
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cmd_sorcery = "%s --version" % SORCERY['sorcery']
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rc, stdout, stderr = module.run_command(cmd_sorcery)
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if rc != 0 or not stdout:
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module.fail_json(msg="unable to get Sorcery version")
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return stdout.strip()
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def codex_fresh(codex, module):
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""" Check if grimoire collection is fresh enough. """
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if not module.params['cache_valid_time']:
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return False
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timedelta = datetime.timedelta(seconds=module.params['cache_valid_time'])
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for grimoire in codex:
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lastupdate_path = os.path.join(SORCERY_STATE_DIR,
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grimoire + ".lastupdate")
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try:
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mtime = os.stat(lastupdate_path).st_mtime
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except Exception:
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return False
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lastupdate_ts = datetime.datetime.fromtimestamp(mtime)
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# if any grimoire is not fresh, we invalidate the Codex
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if lastupdate_ts + timedelta < datetime.datetime.now():
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return False
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return True
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def codex_list(module, skip_new=False):
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""" List valid grimoire collection. """
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params = module.params
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codex = {}
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cmd_scribe = "%s index" % SORCERY['scribe']
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rc, stdout, stderr = module.run_command(cmd_scribe)
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if rc != 0:
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module.fail_json(msg="unable to list grimoire collection, fix your Codex")
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rex = re.compile(r"^\s*\[\d+\] : (?P<grim>[\w\-+.]+) : [\w\-+./]+(?: : (?P<ver>[\w\-+.]+))?\s*$")
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# drop 4-line header and empty trailing line
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for line in stdout.splitlines()[4:-1]:
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match = rex.match(line)
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if match:
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codex[match.group('grim')] = match.group('ver')
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# return only specified grimoires unless requested to skip new
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if params['repository'] and not skip_new:
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codex = dict((x, codex.get(x, NA)) for x in params['name'])
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if not codex:
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module.fail_json(msg="no grimoires to operate on; add at least one")
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return codex
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def update_sorcery(module):
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""" Update sorcery scripts.
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This runs 'sorcery update' ('sorcery -u'). Check mode always returns a
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positive change value.
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"""
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changed = False
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if module.check_mode:
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return (True, "would have updated Sorcery")
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else:
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sorcery_ver = get_sorcery_ver(module)
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cmd_sorcery = "%s update" % SORCERY['sorcery']
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rc, stdout, stderr = module.run_command(cmd_sorcery)
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if rc != 0:
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module.fail_json(msg="unable to update Sorcery: " + stdout)
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if sorcery_ver != get_sorcery_ver(module):
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changed = True
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return (changed, "successfully updated Sorcery")
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def update_codex(module):
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""" Update grimoire collections.
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This runs 'scribe update'. Check mode always returns a positive change
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value when 'cache_valid_time' is used.
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"""
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params = module.params
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changed = False
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codex = codex_list(module)
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fresh = codex_fresh(codex, module)
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if module.check_mode:
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if not fresh:
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changed = True
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return (changed, "would have updated Codex")
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else:
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if not fresh:
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# SILENT is required as a workaround for query() in libgpg
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module.run_command_environ_update.update(dict(SILENT='1'))
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cmd_scribe = "%s update" % SORCERY['scribe']
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if params['repository']:
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cmd_scribe += ' %s' % ' '.join(codex.keys())
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rc, stdout, stderr = module.run_command(cmd_scribe)
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if rc != 0:
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module.fail_json(msg="unable to update Codex: " + stdout)
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if codex != codex_list(module):
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changed = True
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return (changed, "successfully updated Codex")
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def match_depends(module):
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""" Check for matching dependencies.
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This inspects spell's dependencies with the desired states and returns
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'False' if a recast is needed to match them. It also adds required lines
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to the system-wide depends file for proper recast procedure.
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"""
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params = module.params
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spells = params['name']
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depends = {}
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depends_ok = True
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if len(spells) > 1 or not params['depends']:
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return depends_ok
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spell = spells[0]
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if module.check_mode:
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sorcery_depends_orig = os.path.join(SORCERY_STATE_DIR, "depends")
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sorcery_depends = os.path.join(SORCERY_STATE_DIR, "depends.check")
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try:
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shutil.copy2(sorcery_depends_orig, sorcery_depends)
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except IOError:
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module.fail_json(msg="failed to copy depends.check file")
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else:
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sorcery_depends = os.path.join(SORCERY_STATE_DIR, "depends")
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rex = re.compile(r"^(?P<status>\+?|\-){1}(?P<depend>[a-z0-9]+[a-z0-9_\-\+\.]*(\([A-Z0-9_\-\+\.]+\))*)$")
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for d in params['depends'].split(','):
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match = rex.match(d)
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if not match:
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module.fail_json(msg="wrong depends line for spell '%s'" % spell)
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# normalize status
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if not match.group('status') or match.group('status') == '+':
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status = 'on'
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else:
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status = 'off'
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depends[match.group('depend')] = status
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# drop providers spec
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depends_list = [s.split('(')[0] for s in depends]
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cmd_gaze = "%s -q version %s" % (SORCERY['gaze'], ' '.join(depends_list))
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rc, stdout, stderr = module.run_command(cmd_gaze)
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if rc != 0:
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module.fail_json(msg="wrong dependencies for spell '%s'" % spell)
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fi = fileinput.input(sorcery_depends, inplace=True)
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try:
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try:
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for line in fi:
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if line.startswith(spell + ':'):
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match = None
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for d in depends:
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# when local status is 'off' and dependency is provider,
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# use only provider value
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d_offset = d.find('(')
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if d_offset == -1:
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d_p = ''
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else:
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d_p = re.escape(d[d_offset:])
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# .escape() is needed mostly for the spells like 'libsigc++'
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rex = re.compile("%s:(?:%s|%s):(?P<lstatus>on|off):optional:" %
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(re.escape(spell), re.escape(d), d_p))
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match = rex.match(line)
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# we matched the line "spell:dependency:on|off:optional:"
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if match:
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# if we also matched the local status, mark dependency
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# as empty and put it back into depends file
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if match.group('lstatus') == depends[d]:
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depends[d] = None
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sys.stdout.write(line)
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# status is not that we need, so keep this dependency
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# in the list for further reverse switching;
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# stop and process the next line in both cases
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break
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if not match:
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sys.stdout.write(line)
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else:
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sys.stdout.write(line)
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except IOError:
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module.fail_json(msg="I/O error on the depends file")
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finally:
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fi.close()
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depends_new = [v for v in depends if depends[v]]
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if depends_new:
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try:
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try:
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fl = open(sorcery_depends, 'a')
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for k in depends_new:
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fl.write("%s:%s:%s:optional::\n" % (spell, k, depends[k]))
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except IOError:
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module.fail_json(msg="I/O error on the depends file")
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finally:
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fl.close()
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depends_ok = False
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if module.check_mode:
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try:
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os.remove(sorcery_depends)
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except IOError:
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module.fail_json(msg="failed to clean up depends.backup file")
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return depends_ok
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def manage_grimoires(module):
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""" Add or remove grimoires. """
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params = module.params
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grimoires = params['name']
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url = params['repository']
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codex = codex_list(module, True)
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if url == '*':
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if params['state'] in ('present', 'latest', 'absent'):
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if params['state'] == 'absent':
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action = "remove"
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todo = set(grimoires) & set(codex)
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else:
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action = "add"
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todo = set(grimoires) - set(codex)
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if not todo:
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return (False, "all grimoire(s) are already %sed" % action[:5])
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if module.check_mode:
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return (True, "would have %sed grimoire(s)" % action[:5])
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cmd_scribe = "%s %s %s" % (SORCERY['scribe'], action, ' '.join(todo))
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rc, stdout, stderr = module.run_command(cmd_scribe)
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if rc != 0:
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module.fail_json(msg="failed to %s one or more grimoire(s): %s" % (action, stdout))
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return (True, "successfully %sed one or more grimoire(s)" % action[:5])
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else:
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module.fail_json(msg="unsupported operation on '*' repository value")
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else:
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if params['state'] in ('present', 'latest'):
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if len(grimoires) > 1:
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module.fail_json(msg="using multiple items with repository is invalid")
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grimoire = grimoires[0]
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if grimoire in codex:
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return (False, "grimoire %s already exists" % grimoire)
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if module.check_mode:
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return (True, "would have added grimoire %s from %s" % (grimoire, url))
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cmd_scribe = "%s add %s from %s" % (SORCERY['scribe'], grimoire, url)
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rc, stdout, stderr = module.run_command(cmd_scribe)
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if rc != 0:
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module.fail_json(msg="failed to add grimoire %s from %s: %s" % (grimoire, url, stdout))
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return (True, "successfully added grimoire %s from %s" % (grimoire, url))
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else:
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module.fail_json(msg="unsupported operation on repository value")
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def manage_spells(module):
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""" Cast or dispel spells.
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This manages the whole system ('*'), list or a single spell. Command 'cast'
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is used to install or rebuild spells, while 'dispel' takes care of theirs
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removal from the system.
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"""
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params = module.params
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spells = params['name']
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sorcery_queue = os.path.join(SORCERY_LOG_DIR, "queue/install")
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if spells == '*':
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if params['state'] == 'latest':
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# back up original queue
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try:
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os.rename(sorcery_queue, sorcery_queue + ".backup")
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except IOError:
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module.fail_json(msg="failed to backup the update queue")
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# see update_codex()
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module.run_command_environ_update.update(dict(SILENT='1'))
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cmd_sorcery = "%s queue" % SORCERY['sorcery']
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rc, stdout, stderr = module.run_command(cmd_sorcery)
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if rc != 0:
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module.fail_json(msg="failed to generate the update queue")
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try:
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queue_size = os.stat(sorcery_queue).st_size
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except Exception:
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module.fail_json(msg="failed to read the update queue")
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if queue_size != 0:
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if module.check_mode:
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try:
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os.rename(sorcery_queue + ".backup", sorcery_queue)
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except IOError:
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module.fail_json(msg="failed to restore the update queue")
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return (True, "would have updated the system")
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cmd_cast = "%s --queue" % SORCERY['cast']
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rc, stdout, stderr = module.run_command(cmd_cast)
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if rc != 0:
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module.fail_json(msg="failed to update the system")
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return (True, "successfully updated the system")
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else:
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return (False, "the system is already up to date")
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elif params['state'] == 'rebuild':
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if module.check_mode:
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return (True, "would have rebuilt the system")
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cmd_sorcery = "%s rebuild" % SORCERY['sorcery']
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rc, stdout, stderr = module.run_command(cmd_sorcery)
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if rc != 0:
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module.fail_json(msg="failed to rebuild the system: " + stdout)
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return (True, "successfully rebuilt the system")
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else:
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module.fail_json(msg="unsupported operation on '*' name value")
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else:
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if params['state'] in ('present', 'latest', 'rebuild', 'absent'):
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# extract versions from the 'gaze' command
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cmd_gaze = "%s -q version %s" % (SORCERY['gaze'], ' '.join(spells))
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rc, stdout, stderr = module.run_command(cmd_gaze)
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# fail if any of spells cannot be found
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if rc != 0:
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module.fail_json(msg="failed to locate spell(s) in the list (%s)" %
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', '.join(spells))
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cast_queue = []
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dispel_queue = []
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rex = re.compile(r"[^|]+\|[^|]+\|(?P<spell>[^|]+)\|(?P<grim_ver>[^|]+)\|(?P<inst_ver>[^$]+)")
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# drop 2-line header and empty trailing line
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for line in stdout.splitlines()[2:-1]:
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match = rex.match(line)
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cast = False
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if params['state'] == 'present':
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# spell is not installed..
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if match.group('inst_ver') == '-':
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# ..so set up depends reqs for it
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match_depends(module)
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cast = True
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# spell is installed..
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else:
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# ..but does not conform depends reqs
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if not match_depends(module):
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cast = True
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elif params['state'] == 'latest':
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# grimoire and installed versions do not match..
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if match.group('grim_ver') != match.group('inst_ver'):
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# ..so check for depends reqs first and set them up
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match_depends(module)
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cast = True
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# grimoire and installed versions match..
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else:
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# ..but the spell does not conform depends reqs
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if not match_depends(module):
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cast = True
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elif params['state'] == 'rebuild':
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cast = True
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# 'absent'
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else:
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if match.group('inst_ver') != '-':
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dispel_queue.append(match.group('spell'))
|
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if cast:
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cast_queue.append(match.group('spell'))
|
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if cast_queue:
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|
if module.check_mode:
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|
return (True, "would have cast spell(s)")
|
|
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cmd_cast = "%s -c %s" % (SORCERY['cast'], ' '.join(cast_queue))
|
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rc, stdout, stderr = module.run_command(cmd_cast)
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if rc != 0:
|
|
module.fail_json(msg="failed to cast spell(s): " + stdout)
|
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|
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return (True, "successfully cast spell(s)")
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elif params['state'] != 'absent':
|
|
return (False, "spell(s) are already cast")
|
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|
if dispel_queue:
|
|
if module.check_mode:
|
|
return (True, "would have dispelled spell(s)")
|
|
|
|
cmd_dispel = "%s %s" % (SORCERY['dispel'], ' '.join(dispel_queue))
|
|
|
|
rc, stdout, stderr = module.run_command(cmd_dispel)
|
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|
|
if rc != 0:
|
|
module.fail_json(msg="failed to dispel spell(s): " + stdout)
|
|
|
|
return (True, "successfully dispelled spell(s)")
|
|
else:
|
|
return (False, "spell(s) are already dispelled")
|
|
|
|
|
|
def main():
|
|
module = AnsibleModule(
|
|
argument_spec=dict(
|
|
name=dict(default=None, aliases=['spell', 'grimoire'], type='list', elements='str'),
|
|
repository=dict(default=None, type='str'),
|
|
state=dict(default='present', choices=['present', 'latest',
|
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'absent', 'cast', 'dispelled', 'rebuild']),
|
|
depends=dict(default=None),
|
|
update=dict(default=False, type='bool'),
|
|
update_cache=dict(default=False, aliases=['update_codex'], type='bool'),
|
|
cache_valid_time=dict(default=0, type='int')
|
|
),
|
|
required_one_of=[['name', 'update', 'update_cache']],
|
|
supports_check_mode=True
|
|
)
|
|
|
|
if os.geteuid() != 0:
|
|
module.fail_json(msg="root privileges are required for this operation")
|
|
|
|
for c in SORCERY:
|
|
SORCERY[c] = module.get_bin_path(c, True)
|
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|
|
# prepare environment: run sorcery commands without asking questions
|
|
module.run_command_environ_update = dict(PROMPT_DELAY='0', VOYEUR='0')
|
|
|
|
params = module.params
|
|
|
|
# normalize 'state' parameter
|
|
if params['state'] in ('present', 'cast'):
|
|
params['state'] = 'present'
|
|
elif params['state'] in ('absent', 'dispelled'):
|
|
params['state'] = 'absent'
|
|
|
|
changed = {
|
|
'sorcery': (False, NA),
|
|
'grimoires': (False, NA),
|
|
'codex': (False, NA),
|
|
'spells': (False, NA)
|
|
}
|
|
|
|
if params['update']:
|
|
changed['sorcery'] = update_sorcery(module)
|
|
|
|
if params['name'] and params['repository']:
|
|
changed['grimoires'] = manage_grimoires(module)
|
|
|
|
if params['update_cache']:
|
|
changed['codex'] = update_codex(module)
|
|
|
|
if params['name'] and not params['repository']:
|
|
changed['spells'] = manage_spells(module)
|
|
|
|
if any(x[0] for x in changed.values()):
|
|
state_msg = "state changed"
|
|
state_changed = True
|
|
else:
|
|
state_msg = "no change in state"
|
|
state_changed = False
|
|
|
|
module.exit_json(changed=state_changed, msg=state_msg + ": " + '; '.join(x[1] for x in changed.values()))
|
|
|
|
|
|
if __name__ == '__main__':
|
|
main()
|