pyenv装的2.7.14 无法用ansible yum.(其实不是pyenv的原因,自己编译安装的2.7.14也不行)

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#ansible OA* -m yum -a"name=mutt state=present"
OA_P | FAILED! => {
"changed": false,
"msg": "python2 yum module is needed for this module"
}
OA_S | FAILED! => {
"changed": false,
"msg": "python2 yum module is needed for this module"
}
#ansible OA* -m shell -a "which python pip"
OA_P | SUCCESS | rc=0 >>
/root/.pyenv/versions/2.7.14/bin/python
/root/.pyenv/versions/2.7.14/bin/pip
OA_S | SUCCESS | rc=0 >>
/root/.pyenv/versions/2.7.14/bin/python
/root/.pyenv/versions/2.7.14/bin/pip
#vi /etc/ansible/hosts/oa
[OA]
OA_P ansible_connection=local
OA_S ansible_ssh_host=172.16.200.209
[OA:vars]
ansible_python_interpreter=/root/.pyenv/shims/python

使用系统默认的python作为解释器可以使用yum模块

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[root@OA_P 13:04:15 /etc/ansible/roles]
#ansible OA* -m yum -a"name=mutt state=present"
OA_P | FAILED! => {
"changed": false,
"msg": "python2 bindings for rpm are needed for this module. python2 yum module is needed for this module"
}
OA_S | FAILED! => {
"changed": false,
"msg": "python2 bindings for rpm are needed for this module. python2 yum module is needed for this module"
}
^C
[root@OA_P 13:04:28 /etc/ansible/roles]
#ansible OA* -m yum -a"name=mutt state=present" -e "ansible_python_interpreter=/usr/bin/python"
OA_S | SUCCESS => {
"changed": false,
"msg": "",
"rc": 0,
"results": [
"5:mutt-1.5.20-8.20091214hg736b6a.el6.x86_64 providing mutt is already installed"
]
}
OA_P | FAILED! => {
"changed": false,
"msg": "The following packages have pending transactions: mutt-x86_64",
"rc": 125,
"results": []
}

这是因为2.6可以import yum而2.7不行

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#python
Python 2.7.14 (default, Dec 15 2017, 23:08:56)
[GCC 4.4.7 20120313 (Red Hat 4.4.7-18)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import yum
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
ImportError: No module named yum
#python2.6
Python 2.6.6 (r266:84292, Aug 18 2016, 15:13:37)
[GCC 4.4.7 20120313 (Red Hat 4.4.7-17)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import yum

目前我的解决方法是, 在yum之前先set facts, 之后在set回来

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- set_fact:
ansible_python_default_interpreter: "{{ ansible_python_interpreter }}"
ansible_python_interpreter: "/usr/bin/python"
- name: 安装依赖包
yum:
name: "{{ item.line }}"
state: present
with_items:
- { line: 'openssl' }
- { line: 'openssl-devel' }
- { line: 'mutt' }
- set_fact:
ansible_python_interpreter: "{{ ansible_python_default_interpreter }}"

参考

https://github.com/openshift/openshift-ansible/issues/855
https://stackoverflow.com/questions/29711514/no-module-named-yum-error-with-python2-7-when-using-ansible-on-fedora/36138921#36138921

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