自动化分区

---
- name: create resreach lvm
  hosts: all
  tasks:
    - name: show disk message
      shell: 'lsblk'
      register: disk_info
    - name: create vgm for dev,test
      parted:
        device: /dev/sdb
        number: 1
        state: present
        part_end: "50%"
        resize: true
      register: vgm_info
      when: inventory_hostname in {{ item }}
      loop:
        - groups['dev']
        - groups['test']
    - name: create vgm for prod
      parted:
        device: /dev/sdb
        number: 1
        state: present
        part_end: "20%"
        resize: true
        flags: [ lvm ]
      when: inventory_hostname in groups['prod']

    - name: create vg research 100%
      lvg:
        vg: research
        pvs: /dev/sdb1
        pesize: 16

    - block:
        - name: create lvm 1500M
          lvol:
            vg: research
            lv: data
            size: 1500
          register: lvm_info
      rescue:
        - name: show vgm_info
          debug:
            msg: "Could not create logical volume of that size"
        - name: create lvm 800M
          lvol:
            vg: research
            lv: data
            size: 800
          when: "'lvm_info.rc' != 0"
      always:
        - name: create filesystem
          filesystem:
            fstype: xfs
            dev: /dev/research/data
        - name: remove lvm data
          shell: "lvremove -y /dev/research/data"