reorganizing configuration

- static package configuration in `vars/pkgs`
  - loaded into the variable `pkgconfig` as part of `tasks/main.yml`

tasks/src/go.yml

@@ -1,52 +1,40 @@
 # vim: set filetype=yaml.ansible :
 ---
-- name: check go version
-  ansible.builtin.command:
-    cmd: "go version"
-  register: r_go_version
-  ignore_errors: true
+- name: Check if archive already exists
+  ansible.builtin.stat:
+    path: "{{ paths.archive }}/{{ go_archive }}"
+  register: stat_go_archive
 
-- name: install/update go
+- name: Install/update go
+  when:
+    - not stat_go_archive.exists
   block:
-    - name: set go arch
-      ansible.builtin.set_fact:
-        arch: "{{ pkgconfig_go.archmap[ansible_architecture] }}"
-
-    - name: set go archive filename
-      ansible.builtin.set_fact:
-        go_archive: "go{{ pkgconfig_go.version }}.{{ ansible_system | lower }}-{{ arch }}.{{ pkgconfig_go.extmap[ansible_system] }}"
-
-    - name: create temp path
-      ansible.builtin.tempfile:
-        state: directory
-        prefix: go_dl.
-      register: d_go_dl_tmp
-
-    - name: download go archive
-      become: true
+    - name: Download go archive
+      become: "{{ sys_pkg_become }}"
       ansible.builtin.get_url:
-        dest: "{{ d_go_dl_tmp.path }}/{{ go_archive }}"
-        url: "https://go.dev/dl/{{ go_archive }}"
-        checksum: "{{ pkgconfig_go.sums[pkgconfig_go.version][ansible_system][arch] }}"
+        dest: "{{ paths.cache }}/{{ go_archive }}"
+        url: "{{ go.url }}"
+        checksum: "{{ go.sum }}"
         decompress: false
+        mode: '0644'
 
-    - name: ensure go install dir exists
-      become: true
+    - name: Ensure go install dir exists
+      become: "{{ sys_pkg_become }}"
       ansible.builtin.file:
-        path: "{{ pkgconfig_go.install_path }}"
+        path: "{{ go.inst_path }}"
         state: directory
+        mode: '0755'
 
-    - name: extract go package
+    - name: Extract go package
+      become: "{{ sys_pkg_become }}"
       ansible.builtin.unarchive:
-        dest: "{{ pkgconfig_go.install_path }}"
+        dest: "{{ paths.archive }}/go"
         src: "{{ d_go_dl_tmp.path }}/{{ go_archive }}"
         remote_src: true
       when: ansible_system == 'Linux'
-      become: true
 
-    - name: install go macOS use pkg file
+    - name: Install go macOS use pkg file
       ansible.builtin.command:
         cmd: "installer -pkg {{ d_go_dl_tmp.path }}/{{ go_archive }} -target /"
       when: ansible_system == 'Darwin'
       become: true
-  when: pkgconfig_go.version not in r_go_version.stdout