[英]How to install ansible using ansible and pip
Hi I'm trying to install ansible with pip using vagrant and ansible in a ubuntu server Trusty64. 我使用角色安装 python3 并在角色中安装 ansible 是:
---
# tasks file for roles/ansible
- name: install pip3
apt: name=python3-pip state=present
tags: ansible
- name: install librerias dev
apt: name=libssl-dev state=present
tags: ansible
- name: install librerias essential
apt: name=build-essential state=present
tags: ansible
- name: install librerias libdev
apt: name=libffi-dev state=present
tags: ansible
- name: install librerias pydev
apt: name=python-dev state=present
tags: ansible
- name: install librerias pydev
apt: upgrade=yes
tags: ansible
- name: install setuptools
command: pip3 install setuptools
tags: ansible
- name: upgrade setuptools
command: pip3 install --upgrade setuptools
tags: ansible
- name: install ansible
command: pip3 install ansible
tags: ansible
安装 python3 和 pip3 后,安装 ansible 安装失败,并出现下一个错误回溯:
Python 3.5 or later is required",
"stderr_lines": [
"Traceback (most recent call last):",
" File \"/usr/bin/pip3\", line 5, in <module>",
" from pkg_resources import load_entry_point",
" File \"/usr/local/lib/python3.4/dist-packages/pkg_resources/__init__.py\", line 93, in <module>",
" raise RuntimeError(\"Python 3.5 or later is required\")",
"RuntimeError: Python 3.5 or later is required"
],
"stdout": "",
"stdout_lines": []
}
而且我不明白为什么我也应该解决这个问题,因为我已经使用这个角色安装了 python3:
---
# tasks file for roles/python3
- name: aniadir repositorio
apt_repository:
repo: ppa:deadsnakes/ppa
state: present
- name: actualizar cache
apt: update_cache=yes
- name: instalar python3
apt: name=python3.7 state=present
我已经使用 pip3 来安装 setuptools 并对其进行升级。 我会很感激你的帮助。 谢谢。
根据this answer ,您需要添加:
- name: Select python3.7 as default python3
alternatives:
name: python3
path: /usr/bin/python3.7
正如您在错误中看到的,Ansible 尝试使用 Python 3.4 安装 Ansible:
/usr/local/lib/python3.4/dist-packages/pkg_resources/__init__.py
Python 3.4 是您安装的默认 Python 3。 安装 Python 3.7 仅安装python3.7
但不会使其成为默认 Python 3. 为此,您必须在调用python3
时明确告诉系统使用python3.7
,使用替代 system 。
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