further specified task names, corrected task conditional case tests

roles/init-server/tasks/install-pkgs.yml

@@ -2,19 +2,24 @@
 ---
 # tasks file for roles/init-vps
 - name: Checking whether administrative login used
-  when: ansible_facts["user_id"] not in (admins | map(attribute="username") | list)
+  when: ansible_user not in (admins | map(attribute="username") | list)
   ansible.builtin.fail:
     msg: Must use administrative user for subsequent tasks
-- name: Creating prerequisite directory tree
+- name: Creating prerequisite directory tree for installation scripts
   ansible.builtin.file:
     path: "{{ ansible_facts['user_dir'] }}/.local/bin"
     recurse: true
     state: directory
-- name: Creating prerequisite directory tree
+- name: Creating prerequisite directory tree for unarchived archives 
   ansible.builtin.file:
     path: "{{ ansible_facts['user_dir'] }}/downloads/archives/released"
     recurse: true
     state: directory
+- name: Creating prerequisite directory tree for package installation executables
+  ansible.builtin.file:
+    path: "{{ ansible_facts['user_dir'] }}/.local_pkgs"
+    recurse: true
+    state: directory
 - name: Installing Linux software
   when: ansible_facts["system"] == "Linux"
   block:
@@ -23,7 +28,7 @@
       become: true
       block:
         - name: Registering a package signing key
-          when: item.key is defined and item.key_path is defined
+          when: item.key != None and item.key_path != None
           ansible.builtin.get_url:
             url: "{{ item.key }}"
             dest: "{{ item.key_path | default('/etc/apt/keyrings/') }}"
@@ -33,14 +38,16 @@
             force: true
             backup: true
           loop: "{{ pkgs.mngr.core + pkgs.mngr.userspace | rejectattr('key', 'search', '\\.deb$') }}"
+        - name: Premature stop
+          ansible.builtin.meta: end_play
         - name: Installing a package signing key
-          when: item.key is defined
+          when: item.key != None
           ansible.builtin.apt:
             deb: "{{ item.key }}"
             state: present
           loop: "{{ pkgs.mngr.core + pkgs.mngr.userspace | selectattr('key', 'search', '\\.deb$') }}"
         - name: Registering a package source
-          when: item.src_entry is defined and item.src_path is defined
+          when: item.src_entry != None and item.src_path != None
           ansible.builtin.copy:
             content: "{{ item.src_entry }}"
             dest: "{{ item.src_path }}"
@@ -51,7 +58,7 @@
             backup: true
           loop: "{{ pkgs.mngr.core + pkgs.mngr.userspace }}"
         - name: Installing a local package in managed node
-          when: item.uri is defined
+          when: item.uri != None
           ansible.builtin.apt:
             deb: "{{ item.uri }}"
             update_cache: true
@@ -59,7 +66,7 @@
           notify: "{{ item.name }}"
           loop: "{{ pkgs.mngr.core + pkgs.mngr.userspace | selectattr('uri', 'search', '\\.deb$') }}"
         - name: Installing a package
-          when: item.name is defined and item.uri is undefined
+          when: item.name != None and item.uri == None
           ansible.builtin.package:
             name: "{{ item.name }}"
             update_cache: true
@@ -69,7 +76,7 @@
       tags:
         - get_mngr_pkgs
     - name: Installing software by executing installation shell scripts
-      when: item.src is defined
+      when: item.src != None
       block:
         - name: Acquiring installation shell script
           ansible.builtin.get_url: