我有一个问题,我的默认值通常存储在defaults/main.yml
运行 ansible 脚本中,但我还没有找到覆盖它们的方法。我正在使用分子进行测试,并且我想要一种将变量传递给我的方法,molecule/default/molecule.yml
以便molecule/default/playbook.yml
我可以动态设置phpVersion
.
- 这是使用默认值静态设置变量的地方
# defaults/main.yml
phpVersion: 7.0
- 这是使用变量的地方
#tasks/main.yml
---
- name: Check if OS is Ubuntu LTS
fail: msg="Server must be Ubuntu LTS"
when: ansible_distribution != 'Ubuntu'
or (ansible_distribution_version != '14.04'
and ansible_distribution_version != '16.04'
and ansible_distribution_version != '18.04')
- name: Get default PHP version
shell: >
set -o pipefail && \
/usr/bin/php -v | grep 'PHP '
register: php_installed_default_version
failed_when: false
changed_when: false
- name: Add ondrej repo to allow multiple PHP versions
apt_repository:
repo: "ppa:ondrej/php"
update_cache: yes
- name: Include php version specific playbook
include_tasks: "php{{ item }}.yml"
with_items: "{{ php_versions }}"
when: php_versions is defined
- name: Set default PHP version to 7.0 (PHP CLI)
shell: update-alternatives --set php /usr/bin/php{{ phpVersion }}
register: command_result
when: phpVersion == 7.0
and php_installed_default_version is defined
and php_installed_default_version.stdout is defined
and (not php_installed_default_version.stdout | regex_search("PHP 7\.0"))
changed_when: command_result.stdout == "to provide"
- name: Set default PHP version to 7.1 (PHP CLI)
shell: update-alternatives --set php /usr/bin/php{{ phpVersion }}
register: command_result
when: phpVersion == 7.1
and php_installed_default_version is defined
and php_installed_default_version.stdout is defined
and (not php_installed_default_version.stdout | regex_search("PHP 7\.1"))
changed_when: command_result.stdout == "to provide"
- name: Set default PHP version to 7.2 (PHP CLI)
shell: update-alternatives --set php /usr/bin/php{{ phpVersion }}
register: command_result
when: phpVersion == 7.2
and php_installed_default_version is defined
and php_installed_default_version.stdout is defined
and (not php_installed_default_version.stdout | regex_search("PHP 7\.2"))
changed_when: command_result.stdout == "to provide"
# find out what update alternatives spits out and parse some of that through the registered variable: did this task change or not.
- name: Set default PHP version to 7.3 (PHP CLI)
shell: update-alternatives --set php /usr/bin/php{{ phpVersion }}
register: command_result
when: phpVersion == 7.3
and php_installed_default_version is defined
and php_installed_default_version.stdout is defined
and (not php_installed_default_version.stdout | regex_search("PHP 7\.3"))
changed_when: command_result.stdout == "to provide"
所以要运行我的测试,我输入这个命令:
$ MOLECULE_DISTRO=ubuntu1804-php70 molecule test --destroy=never
- 这是我设置分子的地方
# molecule/default/molecule.yml
---
dependency:
name: galaxy
driver:
name: docker
lint:
name: yamllint
options:
config-data:
ignore: venv
platforms:
- name: instance
image: "superelectron/docker-ubuntu-ansible-php:${MOLECULE_DISTRO:-ubuntu1804-php70}"
command: ${MOLECULE_DOCKER_COMMAND:-""}
volumes:
- /sys/fs/cgroup:/sys/fs/cgroup:ro
privileged: true
pre_build_image: true
instance_raw_config_args:
- "vm.network 'forwarded_port', guest: 80, host: 8088"
provisioner:
name: ansible
log: true
lint:
name: ansible-lint
verifier:
name: testinfra
lint:
name: flake8
- 这是我的测试手册
# molecule/default/playbook.yml
---
- name: Converge
hosts: all
roles:
- role: ansible-role-php
vars:
phpVersion: 7.0
从你可以看到通过这样的molecule.yml
东西playbook.yml
来设置 phpVersion 是多么的棒:
phpVersion=7.0 MOLECULE_DISTRO=ubuntu1804-php70 molecule test --destroy=never
并让 playbook.yml 设置一个像这样的变量:
vars:
phpVersion: ${phpVersion}
问题是,如何使用分子动态设置 tasks/main.yml 中使用的变量,以便我的测试动态设置 phpVersion?