Ansible系列 : 源码安装

安装Python3

安装依赖

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$ yum install zlib zlib-devel openssl-devel libffi-devel

下载介质

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编辑./Modules/Setup取消ssl注释

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SSL=/usr/local/ssl
_ssl _ssl.c \
-DUSE_SSL -I$(SSL)/include -I$(SSL)/include/openssl \
-L$(SSL)/lib -lssl -lcrypto

编译安装

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$ ./configure --prefix=/usr/local/python3
$ make && make install -j 4

添加环境变量

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$ echo "export PATH=$PATH:/usr/local/python3/bin" >>/etc/profile
$ source /etc/profile

查看版本

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[root@h-luhx-254 packages]# python3 --version
Python 3.8.7

安装Ansible

下载python依赖包

MarkupSafe Jinja2 six pycparser cffi cryptography PyYAML pyparsing packaging setuptools

安装依赖包

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$ pip3 install MarkupSafe-1.1.1-cp38-cp38-manylinux1_x86_64.whl
$ pip3 install Jinja2-2.11.3-py2.py3-none-any.whl
$ pip3 install six-1.15.0-py2.py3-none-any.whl
$ pip3 install pycparser-2.20-py2.py3-none-any.whl
$ pip3 install cffi-1.14.4-cp38-cp38-manylinux1_x86_64.whl
$ pip3 install cryptography-3.3.1-cp36-abi3-manylinux2010_x86_64.whl
$ pip3 install PyYAML-5.4.1-cp38-cp38-manylinux1_x86_64.whl
$ pip3 install pyparsing-2.4.7-py2.py3-none-any.whl
$ pip3 install packaging-20.9-py2.py3-none-any.whl
$ pip3 install setuptools-53.0.0-py3-none-any.whl

查看安装的包

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[root@h-luhx-254 ansible-2.10.5]# pip3 list
Package      Version
------------ -------
cffi         1.14.4
cryptography 3.3.1
Jinja2       2.11.3
MarkupSafe   1.1.1
packaging    20.9
pip          20.2.3
pycparser    2.20
pyparsing    2.4.7
PyYAML       5.4.1
setuptools   53.0.0
six          1.15.0

下载ansible

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解压安装包

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$ tar -xvf v2.10.5.tar.gz

安装ansible

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$ cd ansible-2.10.5/
$ python3 setup.py install

安装出现如下错误

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Ansible now needs setuptools in order to build. Install it using your package manager (usually python-setuptools) or via pip (pip install setuptools).

查看setup.py的内容

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try:
    from setuptools import setup, find_packages
    from setuptools.command.build_py import build_py as BuildPy
    from setuptools.command.install_lib import install_lib as InstallLib
    from setuptools.command.install_scripts import install_scripts as InstallScripts
except ImportError:
    print("Ansible now needs setuptools in order to build. Install it using"
          " your package manager (usually python-setuptools) or via pip (pip"
          " install setuptools).", file=sys.stderr)
    sys.exit(1)

尝试手动加载

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[root@h-luhx-254 Python-3.8.7]# python3
Python 3.8.7 (default, Feb  3 2021, 20:53:47) 
[GCC 4.8.5 20150623 (Red Hat 4.8.5-44)] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> from setuptools import setup, find_packages
ModuleNotFoundError: No module named '_ctypes'

Python3中有个内置模块叫ctypes，它是Python3的外部函数库模块，它提供兼容C语言的数据类型，并通过它调用Linux系统下的共享库(Shared library)。由于在CentOS7系统中没有安装外部函数库(libffi)的开发链接库软件包，因此我们需要手动安装并重新编译python

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$ yum install libffi-devel -y
$ make && make install -j 4

查看ansible的版本

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[root@h-luhx-254 ansible-2.10.5]# ansible --version
ansible 2.10.5
  config file = None
  configured module search path = ['/root/.ansible/plugins/modules', '/usr/share/ansible/plugins/modules']
  ansible python module location = /usr/local/python3/lib/python3.8/site-packages/ansible_base-2.10.5-py3.8.egg/ansible
  executable location = /usr/local/python3/bin/ansible
  python version = 3.8.7 (default, Feb  3 2021, 20:53:47) [GCC 4.8.5 20150623 (Red Hat 4.8.5-44)]