Some light implimentation details for basic fact caching and collection

awx/plugins/library/scan_packages.py

@@ -0,0 +1,37 @@
+#!/usr/bin/env python
+
+import os
+from ansible.module_utils.basic import *
+
+def rpm_package_list():
+    import rpm
+    trans_set = rpm.TransactionSet()
+    installed_packages = []
+    for package in trans_set.dbMatch():
+        installed_packages.append({'name': package['name'],
+                                   'version': "%s" % (package['version'])})
+    return installed_packages
+
+def deb_package_list():
+    import apt
+    apt_cache = apt.Cache()
+    installed_packages = []
+    apt_installed_packages = [pk for pk in apt_cache.keys() if apt_cache[pk].is_installed]
+    for package in apt_installed_packages:
+        installed_packages.append({'name': package,
+                                   'version': apt_cache[package].installed.version})
+    return installed_packages
+
+def main():
+    module = AnsibleModule(
+        argument_spec = dict())
+
+    packages = []
+    if os.path.exists("/etc/redhat-release"):
+        packages = rpm_package_list()
+    elif os.path.exists("/etc/os-release"):
+        packages = deb_package_list()
+    results = dict(ansible_facts=dict(packages=packages))
+    module.exit_json(**results)
+
+main()