ansible/examples/scripts/uptime.py

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#!/usr/bin/env python
from ansible.executor.task_queue_manager import TaskQueueManager
from ansible.inventory.manager import InventoryManager
from ansible.parsing.dataloader import DataLoader
from ansible.playbook.play import Play
from ansible.plugins.callback import CallbackBase
from ansible.vars.manager import VariableManager
from ansible import context
from ansible.module_utils.common.collections import ImmutableDict
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# Create a callback object so we can capture the output
class ResultsCollector(CallbackBase):
def __init__(self, *args, **kwargs):
super(ResultsCollector, self).__init__(*args, **kwargs)
self.host_ok = {}
self.host_unreachable = {}
self.host_failed = {}
def v2_runner_on_unreachable(self, result):
self.host_unreachable[result._host.get_name()] = result
def v2_runner_on_ok(self, result, *args, **kwargs):
self.host_ok[result._host.get_name()] = result
def v2_runner_on_failed(self, result, *args, **kwargs):
self.host_failed[result._host.get_name()] = result
def main():
host_list = ['localhost', 'www.example.com', 'www.google.com']
# since the API is constructed for CLI it expects certain options to always be set in the context object
context.CLIARGS = ImmutableDict(connection='smart', module_path=['/usr/share/ansible'], forks=10, become=None,
become_method=None, become_user=None, check=False, diff=False)
# required for
# https://github.com/ansible/ansible/blob/devel/lib/ansible/inventory/manager.py#L204
sources = ','.join(host_list)
if len(host_list) == 1:
sources += ','
# initialize needed objects
loader = DataLoader()
passwords = dict()
# create inventory and pass to var manager
inventory = InventoryManager(loader=loader, sources=sources)
variable_manager = VariableManager(loader=loader, inventory=inventory)
# create play with tasks
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play_source = dict(
name="Ansible Play",
hosts=host_list,
gather_facts='no',
tasks=[dict(action=dict(module='command', args=dict(cmd='/usr/bin/uptime')))]
)
play = Play().load(play_source, variable_manager=variable_manager, loader=loader)
# actually run it
tqm = None
callback = ResultsCollector()
try:
tqm = TaskQueueManager(
inventory=inventory,
variable_manager=variable_manager,
loader=loader,
passwords=passwords,
stdout_callback=callback,
)
result = tqm.run(play)
finally:
if tqm is not None:
tqm.cleanup()
if loader:
loader.cleanup_all_tmp_files()
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print("UP ***********")
for host, result in callback.host_ok.items():
print('{0} >>> {1}'.format(host, result._result['stdout']))
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print("FAILED *******")
for host, result in callback.host_failed.items():
print('{0} >>> {1}'.format(host, result._result['msg']))
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print("DOWN *********")
for host, result in callback.host_unreachable.items():
print('{0} >>> {1}'.format(host, result._result['msg']))
if __name__ == '__main__':
main()