Fixes #23558 rpm key ids (#27847)

* Changed rpm-keyid extraction and verification method
* minor style fixes
* fixed rpm key deletion,added integration test for mono key,fixed wording in integration tests

lib/ansible/modules/packaging/os/rpm_key.py

@@ -90,6 +90,10 @@ class RpmKey(object):
         state = module.params['state']
         key = module.params['key']
 
+        self.gpg = self.module.get_bin_path('gpg')
+        if not self.gpg:
+            self.gpg = self.module.get_bin_path('gpg2',required=True)
+
         if '://' in key:
             keyfile = self.fetch_key(key)
             keyid = self.getkeyid(keyfile)
@@ -109,13 +113,13 @@ class RpmKey(object):
             else:
                 if not keyfile:
                     self.module.fail_json(msg="When importing a key, a valid file must be given")
-                self.import_key(keyfile, dryrun=module.check_mode)
+                self.import_key(keyfile)
                 if should_cleanup_keyfile:
                     self.module.cleanup(keyfile)
                 module.exit_json(changed=True)
         else:
             if self.is_key_imported(keyid):
-                self.drop_key(keyid, dryrun=module.check_mode)
+                self.drop_key(keyid)
                 module.exit_json(changed=True)
             else:
                 module.exit_json(changed=False)
@@ -130,14 +134,15 @@ class RpmKey(object):
         if not is_pubkey(key):
             self.module.fail_json(msg="Not a public key: %s" % url)
         tmpfd, tmpname = tempfile.mkstemp()
+        self.module.add_cleanup_file(tmpname)
         tmpfile = os.fdopen(tmpfd, "w+b")
         tmpfile.write(key)
         tmpfile.close()
         return tmpname
 
     def normalize_keyid(self, keyid):
-        """Ensure a keyid doesn't have a leading 0x, has leading or trailing whitespace, and make sure is lowercase"""
-        ret = keyid.strip().lower()
+        """Ensure a keyid doesn't have a leading 0x, has leading or trailing whitespace, and make sure is uppercase"""
+        ret = keyid.strip().upper()
         if ret.startswith('0x'):
             return ret[2:]
         elif ret.startswith('0X'):
@@ -146,21 +151,12 @@ class RpmKey(object):
             return ret
 
     def getkeyid(self, keyfile):
-
-        gpg = self.module.get_bin_path('gpg')
-        if not gpg:
-            gpg = self.module.get_bin_path('gpg2')
-
-        if not gpg:
-            self.module.fail_json(msg="rpm_key requires a command line gpg or gpg2, none found")
-
-        stdout, stderr = self.execute_command([gpg, '--no-tty', '--batch', '--with-colons', '--fixed-list-mode', '--list-packets', keyfile])
+        stdout, stderr = self.execute_command([self.gpg, '--no-tty', '--batch', '--with-colons', '--fixed-list-mode', keyfile])
         for line in stdout.splitlines():
             line = line.strip()
-            if line.startswith(':signature packet:'):
-                # We want just the last 8 characters of the keyid
-                keyid = line.split()[-1].strip()[8:]
-                return keyid
+            if line.startswith('pub:'):
+                return line.split(':')[4]
+
         self.module.fail_json(msg="Unexpected gpg output")
 
     def is_keyid(self, keystr):
@@ -168,32 +164,26 @@ class RpmKey(object):
         return re.match('(0x)?[0-9a-f]{8}', keystr, flags=re.IGNORECASE)
 
     def execute_command(self, cmd):
-        rc, stdout, stderr = self.module.run_command(cmd)
+        rc, stdout, stderr = self.module.run_command(cmd, use_unsafe_shell=True)
         if rc != 0:
             self.module.fail_json(msg=stderr)
         return stdout, stderr
 
     def is_key_imported(self, keyid):
-        stdout, stderr = self.execute_command([self.rpm, '-qa', 'gpg-pubkey'])
+        cmd=self.rpm + ' -q  gpg-pubkey --qf "%{description}" | ' + self.gpg + ' --no-tty --batch --with-colons --fixed-list-mode -'
+        stdout, stderr = self.execute_command(cmd)
         for line in stdout.splitlines():
-            line = line.strip()
-            if not line:
-                continue
-            match = re.match('gpg-pubkey-([0-9a-f]+)-([0-9a-f]+)', line)
-            if not match:
-                self.module.fail_json(msg="rpm returned unexpected output [%s]" % line)
-            else:
-                if keyid == match.group(1):
+            if keyid in line.split(':')[4]:
                     return True
         return False
 
-    def import_key(self, keyfile, dryrun=False):
-        if not dryrun:
+    def import_key(self, keyfile):
+        if not self.module.check_mode:
             self.execute_command([self.rpm, '--import', keyfile])
 
-    def drop_key(self, key, dryrun=False):
-        if not dryrun:
-            self.execute_command([self.rpm, '--erase', '--allmatches', "gpg-pubkey-%s" % key])
+    def drop_key(self, keyid):
+        if not self.module.check_mode:
+            self.execute_command([self.rpm, '--erase', '--allmatches', "gpg-pubkey-%s" % keyid[8:].lower()])
 
 
 def main():

test/integration/targets/rpm_key/tasks/rpm_key.yaml

@@ -9,6 +9,11 @@
     url: https://download.fedoraproject.org/pub/epel/7/x86_64/s/sl-5.02-1.el7.x86_64.rpm
     dest: /tmp/sl.rpm
 
+- name: download Mono key
+  get_url:
+    url: http://keyserver.ubuntu.com/pks/lookup?op=get&search=0x3FA7E0328081BFF6A14DA29AA6A19B38D3D831EF
+    dest: /tmp/mono.gpg
+
 - name: remove EPEL GPG key from keyring
   rpm_key:
     state: absent
@@ -25,26 +30,41 @@
       - "'MISSING KEYS' in sl_check.stdout"
       - "sl_check.failed"
 
-- name: remove EPEL GPG key from keyring (Idempotant)
+- name: remove EPEL GPG key from keyring (idempotent)
   rpm_key:
     state: absent
     key: /tmp/RPM-GPG-KEY-EPEL-7
-  register: idempotant_test
+  register: idempotent_test
 
-- name: check Idempotant
+- name: check idempontence
   assert:
-    that: "not idempotant_test.changed"
+    that: "not idempotent_test.changed"
 
 - name: add EPEL GPG key to key ring
   rpm_key:
     state: present
     key: /tmp/RPM-GPG-KEY-EPEL-7
 
-- name: add EPEL GPG key to key ring (Idempotant)
+- name: add EPEL GPG key to key ring (idempotent)
   rpm_key:
     state: present
     key: /tmp/RPM-GPG-KEY-EPEL-7
 
+- name: add Mono gpg key
+  rpm_key:
+      state: present
+      key: /tmp/mono.gpg
+
+- name: add Mono gpg key
+  rpm_key:
+      state: present
+      key: /tmp/mono.gpg
+  register: mono_indempotence
+
+- name: verify idempotence
+  assert:
+    that: "not mono_indempotence.changed"
+
 - name: check GPG signature of sl. Should return okay
   shell: "rpm --checksig /tmp/sl.rpm"
   register: sl_check