Initial version of apt-rpm module

library/packaging/apt-rpm

@@ -0,0 +1,168 @@
+#!/usr/bin/python -tt
+# -*- coding: utf-8 -*-
+
+# (c) 2013, Evgenii Terechkov
+# Written by Evgenii Terechkov <evg@altlinux.org> 
+# Based on urpmi module written by Philippe Makowski <philippem@mageia.org> 
+#
+# This module is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This software is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this software.  If not, see <http://www.gnu.org/licenses/>.
+
+
+DOCUMENTATION = '''
+---
+module: apt-rpm
+short_description: apt-rpm package manager
+description:
+  - Manages packages with I(apt-rpm). Both low-level (I(rpm)) and high-level (I(apt-get)) package manager binaries required.
+version_added: "1.5"
+options:
+  pkg:
+    description:
+      - name of package to install, upgrade or remove.
+    required: true
+    default: null
+  state:
+    description:
+      - Indicates the desired package state
+    required: false
+    default: present
+    choices: [ "absent", "present" ]
+  update_cache:
+    description:
+      - update the package database first C(apt-get update).
+    required: false
+    default: no
+    choices: [ "yes", "no" ]
+author: Evgenii Terechkov
+notes:  []
+'''
+
+EXAMPLES = '''
+# install package foo
+- apt-rpm: pkg=foo state=present
+# remove package foo
+- apt-rpm: pkg=foo state=absent
+# description: remove packages foo and bar 
+- apt-rpm: pkg=foo,bar state=absent
+# description: update the package database and install bar (bar will be the updated if a newer version exists) 
+- apt-rpm: name=bar state=present update_cache=yes     
+'''
+
+
+import json
+import shlex
+import os
+import sys
+
+APT_PATH="/usr/bin/apt-get"
+RPM_PATH="/usr/bin/rpm"
+
+def query_package(module, name):
+    # rpm -q returns 0 if the package is installed,
+    # 1 if it is not installed
+    rc = os.system("%s -q %s" % (RPM_PATH,name))
+    if rc == 0:
+        return True
+    else:
+        return False
+
+def query_package_provides(module, name):
+    # rpm -q returns 0 if the package is installed,
+    # 1 if it is not installed
+    rc = os.system("%s -q --provides %s >/dev/null" % (RPM_PATH,name))
+    return rc == 0
+
+def update_package_db(module):
+    rc = os.system("%s update" % APT_PATH)
+
+    if rc != 0:
+        module.fail_json(msg="could not update package db")
+
+def remove_packages(module, packages):
+    
+    remove_c = 0
+    # Using a for loop incase of error, we can report the package that failed
+    for package in packages:
+        # Query the package first, to see if we even need to remove
+        if not query_package(module, package):
+            continue
+
+        rc = os.system("%s -y remove %s > /dev/null" % (APT_PATH,package))
+
+        if rc != 0:
+            module.fail_json(msg="failed to remove %s" % (package))
+    
+        remove_c += 1
+
+    if remove_c > 0:
+        module.exit_json(changed=True, msg="removed %s package(s)" % remove_c)
+
+    module.exit_json(changed=False, msg="package(s) already absent")
+
+
+def install_packages(module, pkgspec):
+
+    packages = ""
+    for package in pkgspec:
+        if not query_package_provides(module, package):
+            packages += "'%s' " % package
+
+    if len(packages) != 0:
+
+        cmd = ("%s -y install %s > /dev/null" % (APT_PATH, packages))
+
+        rc, out, err = module.run_command(cmd)
+
+        installed = True
+        for packages in pkgspec:
+            if not query_package_provides(module, package):
+                installed = False
+
+        # apt-rpm always have 0 for exit code if --force is used
+        if rc or not installed:
+            module.fail_json(msg="'apt-get -y install %s' failed: %s" % (packages, err))
+        else:
+            module.exit_json(changed=True, msg="%s present(s)" % packages)
+    else:
+        module.exit_json(changed=False)
+
+
+def main():
+    module = AnsibleModule(
+            argument_spec    = dict(
+                state        = dict(default='installed', choices=['installed', 'removed', 'absent', 'present']),
+                update_cache = dict(default=False, aliases=['update-cache'], type='bool'),
+                package      = dict(aliases=['pkg', 'name'], required=True)))
+                
+
+    if not os.path.exists(APT_PATH) or not os.path.exists(RPM_PATH):
+        module.fail_json(msg="cannot find /usr/bin/apt-get and/or /usr/bin/rpm")
+
+    p = module.params
+
+    if p['update_cache']:
+        update_package_db(module)
+
+    packages = p['package'].split(',')
+
+    if p['state'] in [ 'installed', 'present' ]:
+        install_packages(module, packages)
+
+    elif p['state'] in [ 'removed', 'absent' ]:
+        remove_packages(module, packages)
+
+# this is magic, see lib/ansible/module_common.py
+from ansible.module_utils.basic import *
+    
+main()