add alpine apk package manager to package_facts [wip] (#70587)

* add alpine apk package manager to package_facts

changelogs/fragments/70587-package_facts-apk.yml

@@ -0,0 +1,2 @@
+bugfixes:
+  - add support for alpine linux 'apk' package manager in package_facts

lib/ansible/modules/package_facts.py

@@ -19,8 +19,9 @@ options:
       - The package manager used by the system so we can query the package information.
       - Since 2.8 this is a list and can support multiple package managers per system.
       - The 'portage' and 'pkg' options were added in version 2.8.
+      - The 'apk' option was added in version 2.11.
     default: ['auto']
-    choices: ['auto', 'rpm', 'apt', 'portage', 'pkg', 'pacman']
+    choices: ['auto', 'rpm', 'apt', 'portage', 'pkg', 'pacman', 'apk']
     required: False
     type: list
   strategy:
@@ -376,6 +377,28 @@ class PORTAGE(CLIMgr):
         return dict(zip(self.atoms, package.split()))
 
 
+class APK(CLIMgr):
+
+    CLI = 'apk'
+    atoms = ['name', 'version']
+
+    def list_installed(self):
+        rc, out, err = module.run_command([self._cli, 'info', '-v'])
+        if rc != 0 or err:
+            raise Exception("Unable to list packages rc=%s : %s" % (rc, err))
+        return out.splitlines()
+
+    def get_package_details(self, package):
+        raw_pkg_details = {}
+        for line in package.splitlines():
+            m = re.match(r"([\w ].*?)-([0-9-\.]+[0-9a-z-\.]*-r[0-9]+)", to_native(line))
+            if m:
+                raw_pkg_details['name'] = m.group(1)
+                raw_pkg_details['version'] = m.group(2)
+
+        return raw_pkg_details
+
+
 def main():
 
     # get supported pkg managers