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如何从清单python代码中请求特定主机和组_Python_Ansible_Ansible 2.x_Ansible Inventory - Fatal编程技术网

如何从清单python代码中请求特定主机和组

如何从清单python代码中请求特定主机和组,python,ansible,ansible-2.x,ansible-inventory,Python,Ansible,Ansible 2.x,Ansible Inventory,如何调用该清单文件的特定主机和组 示例:main.yml hosts: group roles: - java_installation 我的用法: ansible-playbook inventory main.yml 我不想将主机添加到main.yml 主机和组应在运行时决定。 如何将输入传递到此示例\u inventory()?当我运行时是否可以传递库存 ansible playbook inventory main.yml? 例如:在数据库中,组有5个服务器。但我想从组中选择单个

如何调用该清单文件的特定主机和组

示例:
main.yml

hosts: group
roles:
  - java_installation
我的用法:

ansible-playbook inventory main.yml
我不想将主机添加到
main.yml
主机和组应在运行时决定。
如何将输入传递到此
示例\u inventory()
?当我运行时是否可以传递库存
ansible playbook inventory main.yml

例如:在数据库中,组有5个服务器。但我想从组中选择单个服务器并运行角色

[group]
10.2.3.4.
10.2.3.5
我想在
10.2.3.5
你能帮我一下吗。对不起,如果我的通讯有问题

示例代码:

#!/usr/bin/env python

'''
Example custom dynamic inventory
'''

import os
import sys
import argparse

try:
    import json
except ImportError:
    import simplejson as json

class ExampleInventory(object):

    def __init__(self):
        self.inventory = {}
        self.read_cli_args()

        # Called with `--list`.
        if self.args.list:
            self.inventory = self.example_inventory()
        # Called with `--host [hostname]`.
        elif self.args.host:
            # Not implemented, since we return _meta info `--list`.
            self.inventory = self.empty_inventory()
        # If no groups or vars are present, return an empty inventory.
        else:
            self.inventory = self.empty_inventory()

        print json.dumps(self.inventory);

    # Example inventory for testing.
    def example_inventory(self):
        my_array = ['xx.xx.xxx', 'xx.xx.xxx']
        return {
            'group': {
                'hosts': my_array,
                'vars': {
                    'ansible_ssh_user': 'username'
                }

            },
            '_meta': {
                'hostvars': {
                    'xx.xx.xxx': {
                        'ansible_ssh_pass':'password'
                    },
                    'xx.xxx.xx': {
                        'ansible_ssh_pass':'password'
                    }
                }
            }
        }

    # Empty inventory for testing.
    def empty_inventory(self):
        return {'_meta': {'hostvars': {}}}

    # Read the command line args passed to the script.
    def read_cli_args(self):
        parser = argparse.ArgumentParser()
        parser.add_argument('--list', action = 'store_true')
        parser.add_argument('--host', action = 'store')
        self.args = parser.parse_args()

# Get the inventory.
ExampleInventory()

可能重复我正在寻找通过编码。我需要在运行时在清单python代码中添加主机条目。这是我在描述中添加的。可能与我正在查看的代码重复。我需要在运行时在清单python代码中添加主机条目。这是我在描述中添加的。