style: include linter suggestions

handlers/main.yml

 ---
 - name: Ordner für iptables-Config erstellen
-  file:
+  ansible.builtin.file:
     path: "/etc/iptables"
     state: directory
     owner: "root"
@@ -9,16 +9,16 @@
   listen: "save iptables rules"
 
 - name: install netfilter-persistent to be able to save iptables rules
-  apt:
+  ansible.builtin.apt:
     name: "netfilter-persistent"
     state: present
   listen: "save iptables rules"
 
 - name: save iptables rules
-  command: 'netfilter-persistent save'
+  ansible.builtin.command: 'netfilter-persistent save'
   listen: "save iptables rules"
 
 - name: restart squid proxy
-  systemd:
+  ansible.builtin.systemd:
     name: "squid.service"
     state: restarted

meta/main.yml

@@ -19,8 +19,7 @@ galaxy_info:
   platforms:
     - name: Debian
       versions:
-        - 9
-        - 10
+        - all
   galaxy_tags: []
   # List tags for your role here, one per line. A tag is a keyword that describes and categorizes the role. Users find roles by searching for tags. Be sure to remove the '[]' above, if you
   # add tags to this list.

tasks/configure-iptables.yml

 ---
 - name: iptables-Regeln setzen (HTTP)
-  iptables:
+  ansible.builtin.iptables:
     action: append
     chain: INPUT
     comment: "{{ item.comment }}"
@@ -20,7 +20,7 @@
     - save iptables rules
 
 - name: iptables-Regeln setzen (HTTPS)
-  iptables:
+  ansible.builtin.iptables:
     action: append
     chain: INPUT
     comment: "{{ item.comment }}"

tasks/configure-nfs-mounts.yml

 ---
 ### NFS-MOUNTS ###
 - name: Mountpoint fuer Logging anlegen
-  file:
+  ansible.builtin.file:
     path: "{{ vault_nfs_mounts.log.mountpoint }}"
     state: directory
     owner: "proxy"
@@ -9,7 +9,7 @@
     mode: 0755
 
 - name: NFS-Shares für Logging mounten
-  mount:
+  ansible.builtin.mount:
     name: "{{ vault_nfs_mounts.log.mountpoint }}"
     src: "{{ vault_nfs_mounts.log.share }}/{{ ansible_hostname }}"
     state: mounted

tasks/configure-squid-proxy.yml

 ---
 ### SQUID-PROXY KONFIGURIEREN & NEU STARTEN ###
 - name: Konfigurationsdateien einspielen - squid.conf
-  copy:
+  ansible.builtin.copy:
     src: "{{ role_path }}/../ansible_vaults/{{ role_name }}/files/etc/squid3/squid.conf.vault"
     dest: "/etc/squid/squid.conf"
+    mode: "0644"
   notify:
     - restart squid proxy
 
 - name: Konfigurationsdateien einspielen - logrotate
-  copy:
+  ansible.builtin.copy:
     src: "etc/logrotate.d/squid3"
     dest: "/etc/logrotate.d/squid3"
+    mode: "0644"
   notify:
     - restart squid proxy

tasks/install-packages.yml

 ---
 - name: install packages (rsync, sarg, squid3, tar, unzip)
-  apt:
+  ansible.builtin.apt:
     state: present
     name: [
       'rsync',

tasks/main.yml

 ---
 - name: include Ansible Vaults
-  include_vars: "{{ role_path }}/../ansible_vaults/{{ role_name }}/{{ item }}"
+  ansible.builtin.include_vars: "{{ role_path }}/../ansible_vaults/{{ role_name }}/{{ item }}"
   loop:
     - "proxy.vault"
   tags: [always]
 
 - name: install Proxy packages
-  import_tasks: install-packages.yml
+  ansible.builtin.import_tasks: "install-packages.yml"
   tags: [apt]
 
 - name: configure Squid Proxy
-  import_tasks: configure-squid-proxy.yml
+  ansible.builtin.import_tasks: "configure-squid-proxy.yml"
   tags: [proxy]
 
 - name: configure NFS mounts
-  import_tasks: configure-nfs-mounts.yml
+  ansible.builtin.import_tasks: "configure-nfs-mounts.yml"
   tags: [nfs]
 
 - name: configure iptables firewall
-  import_tasks: configure-iptables.yml
+  ansible.builtin.import_tasks: "configure-iptables.yml"
   tags: [iptables]