Initial commit: Ansible configuration for monitoring stack

Contains:
- Production inventory (inventories/production/hosts)
- VictoriaMetrics installation (playbooks/monitoring/install_victoriametrics.yml)
- Vault setup and secrets management (playbooks/vault/)
- Base system configuration (playbooks/infrastructure/)
- Directory structure for monitoring components

playbooks/infrastructure/01-system-update.yml

@@ -0,0 +1,31 @@
+---
+- name: System update and cleanup
+  hosts: all_except_ansible
+  become: yes
+  
+  tasks:
+    - name: Stop unattended upgrades
+      systemd:
+        name: unattended-upgrades
+        state: stopped
+        
+    - name: Clean any apt locks
+      shell: |
+        pkill -9 apt-get apt dpkg 2>/dev/null || true
+        rm -f /var/lib/apt/lists/lock /var/lib/dpkg/lock*
+        dpkg --configure -a 2>/dev/null || true
+      ignore_errors: yes
+      
+    - name: Update apt cache
+      apt:
+        update_cache: yes
+        cache_valid_time: 86400
+        
+    - name: Upgrade system packages
+      apt:
+        upgrade: safe
+        autoremove: yes
+        
+    - name: Clean apt cache
+      apt:
+        autoclean: yes