- hosts: 1.1.1.1 gather_facts: no tasks: - name: Collect only facts about hardware setup: gather_subset: - 'hardware' - name: ensure disk at least 10% free space assert: that: - mount.size_available > mount.size_total|float * 0.1 fail_msg: "Disk avail: {{(mount.size_available/1000000000.0 )| round(1,'common') }}GB Disk total: {{(mount.size_total / 1000000000.0) | round(1,'common') }}GB Disk space is near full!!! " success_msg: "Disk avail: {{(mount.size_available/1000000000.0 )| round(1,'common') }}GB Disk total: {{(mount.size_total / 1000000000.0) | round(1,'common') }}GB" vars: mount: "{{ ansible_mounts | selectattr('device', 'equalto', '/dev/vdb1') | list | first }}"# https://gist.github.com/mahemoff/07c0c3427aa3eb3c0abc07f76fc68279# https://gist.github.com/goodc0re/cbaffab5674cc9324ecb591ab350e564# https://stackoverflow.com/questions/26981907/using-ansible-to-manage-disk-space如果磁盘空间有余10%，运行后果如下：