我无法在Ansible 2中找到匹配的正则表达式模式。有人可以帮我理解我做错了什么吗?谢谢。
--- # Disable auto update for Ubuntu
- hosts: nonedgeLinux
become: yes
tasks:
- name: disable auto updates
replace:
dest: /etc/apt/apt.conf.d/50unattended-upgrades
regexp: '(?:[ \t]*\"\${distro_id}:\${distro_codename}-security\";)'
replace: '// "\${distro_id}:\${distro_codename}-security\";'
我使用https://regex101.com/来验证正则表达式,以防止正在搜索的文件内容的复制/粘贴。此测试报告正则表达式模式是正确的。每次在Ubuntu 16.04.2上运行时,我都会得到以下结果:
root@sbx54:/data/scripts/ansible# ansible-playbook disableAutoUpdate.yml -vvvv
Using /data/scripts/ansible/ansible.cfg as config file
Loaded callback default of type stdout, v2.0
1 plays in disableAutoUpdate.yml
PLAY ****************************************************************************
TASK [setup] *******************************************************************
ESTABLISH LOCAL CONNECTION FOR USER: root
localhost EXEC ( umask 22 && mkdir -p "$( echo $HOME/.ansible/tmp/ansible-tmp-1492480514.73-9504514182168 )" && echo "$( echo $HOME/.ansible/tmp/ansible-tmp-1492480514.73-9504514182168 )" )
localhost PUT /tmp/tmpkYPc6g TO /root/.ansible/tmp/ansible-tmp-1492480514.73-9504514182168/setup
localhost EXEC LANG=en_US.UTF-8 LC_ALL=en_US.UTF-8 LC_MESSAGES=en_US.UTF-8 /usr/bin/python /root/.ansible/tmp/ansible-tmp-1492480514.73-9504514182168/setup; rm -rf "/root/.ansible/tmp/ansible-tmp-1492480514.73-9504514182168/" > /dev/null 2>&1
ok: [localhost]
TASK [disable auto updates] ****************************************************
task path: /data/scripts/ansible/disableAutoUpdate.yml:15
ESTABLISH LOCAL CONNECTION FOR USER: root
localhost EXEC ( umask 22 && mkdir -p "$( echo $HOME/.ansible/tmp/ansible-tmp-1492480515.71-278594852314124 )" && echo "$( echo $HOME/.ansible/tmp/ansible-tmp-1492480515.71-278594852314124 )" )
localhost PUT /tmp/tmpG3gchf TO /root/.ansible/tmp/ansible-tmp-1492480515.71-278594852314124/replace
localhost EXEC LANG=en_US.UTF-8 LC_ALL=en_US.UTF-8 LC_MESSAGES=en_US.UTF-8 /usr/bin/python /root/.ansible/tmp/ansible-tmp-1492480515.71-278594852314124/replace; rm -rf "/root/.ansible/tmp/ansible-tmp-1492480515.71-278594852314124/" > /dev/null 2>&1
ok: [localhost] => {"changed": false, "invocation": {"module_args": {"backup": false, "content": null, "delimiter": null, "dest": "/etc/apt/apt.conf.d/50unattended-upgrades", "directory_mode": null, "follow": false, "force": null, "group": null, "mode": null, "owner": null, "regexp": "(?:(?!\\/\\/).*[ \\t]*\\\"\\${distro_id}:\\${distro_codename}-security\\\";)/g", "remote_src": null, "replace": "replaced", "selevel": null, "serole": null, "setype": null, "seuser": null, "src": null, "validate": null}, "module_name": "replace"}, "msg": ""}
PLAY RECAP *********************************************************************
localhost : ok=2 changed=0 unreachable=0 failed=0
以下是搜索文件的片段:
Unattended-Upgrade::Allowed-Origins {
"${distro_id}:${distro_codename}";
"${distro_id}:${distro_codename}-system";
// "${distro_id}:${distro_codename}-updates";
// "${distro_id}:${distro_codename}-proposed";
// "${distro_id}:${distro_codename}-backports";
};
# ansible --version
ansible 2.0.0.2
config file = /data/scripts/ansible/ansible.cfg
configured module search path = Default w/o overrides
最后一点:当我只查找字符串时,我确实在搜索和替换此文件中取得了成功。当寻找整条线路时,这是失败的。另外,我也尝试过转义特殊字符,例如[/][/]
代替\/\/\
等,但没有运气。
答案 0 :(得分:3)
除了尝试将security
与system
匹配的错误之外,您无需在replace
中的任一参数或美元符号中转义双引号参数(否则反斜杠将插入文件中):
- name: disable auto updates
replace:
dest: /etc/apt/apt.conf.d/50unattended-upgrades
regexp: '(?:[ \t]*"\${distro_id}:\${distro_codename}-system";)'
replace: '// "${distro_id}:${distro_codename}-system";'
使用lineinfile
模块可以获得相同的结果(这使得代码更具可读性,imho):
- name: disable auto updates
lineinfile:
dest: /etc/apt/apt.conf.d/50unattended-upgrades
regexp: '"\${distro_id}:\${distro_codename}-system"'
line: '// "${distro_id}:${distro_codename}-system";'