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

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