add some rpm packages and more idempotency

tasks/duckdb.yml

@@ -1,16 +1,22 @@
----
+- name: Stat DuckDB CLI installation
+  ansible.builtin.stat:
+    path: /usr/local/bin/duckdb
+  register: duckdb_installed_result
+
 - name: Download DuckDB CLI
   ansible.builtin.get_url:
     url: "https://install.duckdb.org/v{{ duckdb_version }}/duckdb_cli-linux-amd64.gz"
     dest: /tmp/duckdb_cli-linux-amd64.gz
     mode: "0644"
     timeout: 300
+  when: not duckdb_installed_result.stat.exists
 
 - name: Install DuckDB CLI
   ansible.builtin.shell: gzip -dc /tmp/duckdb_cli-linux-amd64.gz > /usr/local/bin/duckdb
   args:
     executable: /bin/bash
     creates: /usr/local/bin/duckdb
+  when: not duckdb_installed_result.stat.exists
 
 - name: Make DuckDB executable
   ansible.builtin.file:
@@ -18,8 +24,10 @@
     mode: "0755"
     owner: root
     group: root
+  when: not duckdb_installed_result.stat.exists
 
 - name: Remove DuckDB archive
   ansible.builtin.file:
     path: /tmp/duckdb_cli-linux-amd64.gz
     state: absent
+  when: not duckdb_installed_result.stat.exists