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file 模块学习

  • file模块有三种状态，[file’, ‘directory’, ‘absent’]

  • file模块中change状态的传递

  1. 默认changed 是false
  2. 当一个changed 是true时 changed就是true
  3. 如果函数中没有改变，就把接收的上一个changed 返回
  4. 这样保证 只要一个函数中返回true 最终就是true

changed = false

set modes owners and context as needed

changed = set_context_if_different(path, secontext, changed)
changed = set_owner_if_different(path, owner, changed)
changed = set_group_if_different(path, group, changed)
changed = set_mode_if_different(path, mode, changed)
  • file 文件的报错信息

yh ➜ source_read ansible localhost -m file -a “src=/tmp/ dest=/path/to/symlink owner=foo group=foo state=link”
localhost | FAILED >> {
“failed”: true,
“msg”: “Error while linking: [Errno 2] No such file or directory”,
“path”: “/path/to/symlink”,
“state”: “absent”
}

yh ➜ source_read ansible localhost -m file -a “src=/tmp/ dest=/cc owner=foo group=foo state=link”
localhost | FAILED >> {
“failed”: true,
“msg”: “Error while linking: [Errno 13] Permission denied”,
“path”: “/cc”,
“state”: “absent”
}