bump ansible-core to 2.16

- Remove python3 shebangs
- command module warn parameter is deprecated since 2.11 and removed
  from 2.14

Signed-off-by: Teoman ONAY <tonay@ibm.com>

library/ceph_key.py

@@ -1,5 +1,3 @@
-#!/usr/bin/python3
-
 # Copyright 2018, Red Hat, Inc.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");

library/ceph_pool.py

@@ -1,5 +1,3 @@
-#!/usr/bin/python3
-
 # Copyright 2020, Red Hat, Inc.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");

requirements.txt

@@ -1,4 +1,4 @@
 # These are Python requirements needed to run ceph-ansible main
-ansible-core>=2.14,<2.15,!=2.9.10
+ansible-core>=2.15,<2.17,!=2.9.10
 netaddr
 six

roles/ceph-common/tasks/installs/configure_redhat_repository_installation.yml

@@ -17,8 +17,6 @@
 
 # Remove yum caches so yum doesn't get confused if we are reinstalling a different ceph version
 - name: purge yum cache
-  command: yum clean all
-  args:
-    warn: no
+  command: yum clean all #noqa: [303]
   changed_when: false
   when: ansible_facts['pkg_mgr'] == 'yum'

roles/ceph-infra/tasks/configure_firewall.yml

@@ -1,6 +1,6 @@
 ---
 - name: check firewalld installation on redhat or SUSE/openSUSE
-  command: rpm -q firewalld
+  command: rpm -q firewalld  # noqa [303]
   register: firewalld_pkg_query
   ignore_errors: true
   check_mode: no

roles/ceph-rgw/tasks/openstack-keystone.yml

@@ -25,8 +25,6 @@
 
 - name: create nss entries for keystone certificates
   shell: "{{ item }}"
-  args:
-    warn: no
   changed_when: false
   with_items:
     - "openssl x509 -in /etc/keystone/ssl/certs/ca.pem -pubkey | certutil -d {{ radosgw_nss_db_path }} -A -n ca -t 'TCu,Cu,Tuw'"

roles/ceph-validate/tasks/check_system.yml

@@ -6,8 +6,8 @@
 
 - name: fail on unsupported ansible version
   fail:
-    msg: "Ansible version must be 2.14!"
-  when: ansible_version.minor|int != 14
+    msg: "Ansible version must be either 2.15 or 2.16!"
+  when: ansible_version.minor|int not in [15, 16]
 
 - name: fail on unsupported system
   fail:

tests/requirements.txt

@@ -2,8 +2,7 @@
 pytest-testinfra
 pytest-xdist
 pytest
-ansible-core>=2.14,<2.15,!=2.9.10
-Jinja2>=2.10
+ansible-core>=2.15,<2.17,!=2.9.10
 netaddr
 mock
 jmespath