fix(packer/linux): disable unattended-upgrades to prevent job interruptions

packer/linux/ansible/roles/agent/files/start-agent.sh

@@ -213,6 +213,10 @@ region=$(curl \
   --location "http://169.254.169.254/latest/meta-data/placement/region"
 )
 
+# Remove unattended-upgrades to prevent mid-job interruptions from automatic updates
+echo "Removing unattended-upgrades package..."
+sudo apt-get remove -y --purge unattended-upgrades || true
+
 # The parameters required for the agent configuration are stored in an SSM parameter.
 # We need to fetch them before proceeding with anything else.
 echo "Fetching agent params from SSM parameter '$agent_config_param_name'..."

packer/linux/ansible/roles/system_tools/tasks/main.yml

@@ -23,3 +23,11 @@
     dest: /usr/local/bin/yq
     mode: '0755'
     force: true
+
+- name: Remove unattended-upgrades package
+  ansible.builtin.apt:
+    name: unattended-upgrades
+    state: absent
+    purge: true
+  tags:
+    - disable_unattended