forked from stove/risotto
280 lines
12 KiB
Python
280 lines
12 KiB
Python
#!/usr/bin/python3
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from os import readlink, walk, chdir, getcwd, makedirs
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from os.path import join, islink, isdir
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from typing import Dict, Any
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from shutil import rmtree, copy2
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import tarfile
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from ansible.module_utils._text import to_text
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from ansible import constants
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from rougail.template import base
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from rougail.error import TemplateError
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from risotto.machine import build_files, INSTALL_DIR, INSTALL_CONFIG_DIR, INSTALL_TMPL_DIR, INSTALL_IMAGES_DIR, INSTALL_TESTS_DIR
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from risotto.utils import custom_filters
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try:
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from ansible.plugins.action import ActionBase
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from ansible.module_utils.basic import AnsibleModule
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class FakeModule(AnsibleModule):
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def __init__(self):
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pass
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from ansible.plugins.action.template import ActionModule as TmplActionModule
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except:
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class ActionBase():
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def __init__(self, *args, **kwargs):
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raise Exception('works only with ansible')
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ARCHIVES_DIR = '/tmp/new_configurations'
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def is_diff(server_name,
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remote_directories,
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certificates,
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):
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ret = {}
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module = FakeModule()
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current_path = getcwd()
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root = join(INSTALL_DIR, INSTALL_CONFIG_DIR, server_name)
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chdir(root)
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search_paths = [join(directory[2:], f) for directory, subdirectories, files in walk('.') for f in files]
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chdir(current_path)
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for path in search_paths:
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if path not in remote_directories:
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return True
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full_path = join(root, path)
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if not islink(full_path):
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if remote_directories[path] != module.digest_from_file(full_path, 'sha256'):
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return True
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elif remote_directories[path] != readlink(full_path):
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return True
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remote_directories.pop(path)
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if remote_directories:
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for certificate in certificates:
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for typ in ['name', 'private', 'authority']:
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if not typ in certificate:
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continue
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name = certificate[typ][1:]
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if name in remote_directories:
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remote_directories.pop(name)
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if remote_directories:
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return True
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return False
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class ActionModule(ActionBase):
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def run(self, tmp=None, task_vars=None):
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super(ActionModule, self).run(tmp, task_vars)
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module_args = self._task.args.copy()
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hostname = module_args.pop('hostname')
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only_machine = module_args.pop('only_machine')
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configure_host = module_args.pop('configure_host')
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copy_tests = module_args.pop('copy_tests')
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# define ansible engine
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base.ENGINES['ansible'] = Tmpl(task_vars,
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self._task,
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self._connection,
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self._play_context,
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self._loader,
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self._templar,
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self._shared_loader_obj,
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)
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if 'copy_templates' in module_args:
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copy_templates = module_args.pop('copy_templates')
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else:
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copy_templates = False
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directories, certificates = build_files(hostname,
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only_machine,
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False,
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copy_tests,
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)
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module_args['directories'] = list(directories.values())
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module_args['directories'].append('/var/lib/risotto/images_files')
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remote = self._execute_module(module_name='compare',
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module_args=module_args,
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task_vars=task_vars,
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)
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if remote.get('failed'):
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if 'module_stdout' in remote:
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msg = remote['module_stdout']
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else:
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msg = remote['msg']
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raise Exception(f'error in remote action: {msg}')
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if copy_templates:
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build_files(hostname,
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only_machine,
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True,
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copy_tests,
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)
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machines_changed = []
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for machine, directory in directories.items():
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if directory not in remote['directories']:
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machines_changed.append(machine)
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continue
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if is_diff(machine,
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remote['directories'][directory],
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certificates['certificates'].get(machine, []),
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):
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machines_changed.append(machine)
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current_path = getcwd()
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if isdir(ARCHIVES_DIR):
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rmtree(ARCHIVES_DIR)
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makedirs(ARCHIVES_DIR)
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if machines_changed:
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self._execute_module(module_name='file',
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module_args={'path': ARCHIVES_DIR,
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'state': 'absent',
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},
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task_vars=task_vars,
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)
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self._execute_module(module_name='file',
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module_args={'path': ARCHIVES_DIR,
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'state': 'directory',
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},
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task_vars=task_vars,
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)
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machines = machines_changed.copy()
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if self._task.args['hostname'] in machines_changed:
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machine = self._task.args['hostname']
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machines.remove(machine)
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chdir(f'{task_vars["host_install_dir"]}/{INSTALL_CONFIG_DIR}/{machine}')
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tar_filename = f'{ARCHIVES_DIR}/host.tar'
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with tarfile.open(tar_filename, 'w') as archive:
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archive.add('.')
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chdir(current_path)
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self._transfer_file(tar_filename, tar_filename)
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# archive and send
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if machines:
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chdir(f'{task_vars["host_install_dir"]}/{INSTALL_CONFIG_DIR}')
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tar_filename = f'{ARCHIVES_DIR}/machines.tar'
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with tarfile.open(tar_filename, 'w') as archive:
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for machine in machines:
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if machine == self._task.args['hostname']:
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continue
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archive.add(f'{machine}')
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self._transfer_file(tar_filename, tar_filename)
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else:
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machines = []
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# archive and send
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chdir(f'{task_vars["host_install_dir"]}/{INSTALL_IMAGES_DIR}/')
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tar_filename = f'{ARCHIVES_DIR}/{INSTALL_IMAGES_DIR}.tar'
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with tarfile.open(tar_filename, 'w') as archive:
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archive.add('.')
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self._execute_module(module_name='file',
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module_args={'path': '/tmp/new_configurations',
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'state': 'directory',
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},
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task_vars=task_vars,
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)
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self._transfer_file(tar_filename, tar_filename)
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# tests
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self._execute_module(module_name='file',
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module_args={'path': '/var/lib/risotto/tests',
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'state': 'absent',
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},
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task_vars=task_vars,
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)
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if copy_tests:
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chdir(f'{task_vars["host_install_dir"]}/{INSTALL_TESTS_DIR}/')
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tar_filename = f'{ARCHIVES_DIR}/{INSTALL_TESTS_DIR}.tar'
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with tarfile.open(tar_filename, 'w') as archive:
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archive.add('.')
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self._transfer_file(tar_filename, tar_filename)
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# templates
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self._execute_module(module_name='file',
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module_args={'path': '/var/lib/risotto/templates',
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'state': 'absent',
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},
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task_vars=task_vars,
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)
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if copy_templates:
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chdir(f'{task_vars["host_install_dir"]}/')
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tar_filename = f'{ARCHIVES_DIR}/{INSTALL_TMPL_DIR}.tar'
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with tarfile.open(tar_filename, 'w') as archive:
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archive.add(INSTALL_TMPL_DIR)
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self._transfer_file(tar_filename, tar_filename)
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remote = self._execute_module(module_name='unarchive',
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module_args={'remote_src': True,
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'src': '/tmp/new_configurations/templates.tar',
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'dest': '/var/lib/risotto',
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},
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task_vars=task_vars,
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)
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chdir(current_path)
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changed = machines_changed != []
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return dict(ansible_facts=dict({}),
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changed=changed,
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machines_changed=machines,
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host_changed=self._task.args['hostname'] in machines_changed,
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)
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class FakeCopy:
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def __init__(self, task):
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self.task = task
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def run(self, *args, **kwargs):
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copy2(self.task.args['src'], self.task.args['dest'])
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return {}
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class FakeGet:
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def __init__(self, klass):
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self.klass = klass
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def fake_get(self, action, *args, task, **kwargs):
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if action == 'ansible.legacy.copy':
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return FakeCopy(task)
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return self.klass.ori_get(action, *args, task=task, **kwargs)
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class Tmpl(TmplActionModule):
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def __init__(self, task_vars, *args):
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super().__init__(*args)
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self.task_vars = task_vars
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def _early_needs_tmp_path(self):
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# do not create tmp remotely
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return False
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def process(self,
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filename: str,
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source: str,
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true_destfilename: str,
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destfilename: str,
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destdir: str,
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variable: Any,
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index: int,
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rougail_variables_dict: Dict,
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eosfunc: Dict,
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extra_variables: Any=None,
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):
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if source is not None: # pragma: no cover
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raise TemplateError(_('source is not supported for ansible'))
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task_vars = rougail_variables_dict | self.task_vars
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if variable is not None:
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task_vars['rougail_variable'] = variable
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if index is not None:
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task_vars['rougail_index'] = index
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if extra_variables:
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task_vars['extra_variables'] = extra_variables
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task_vars['rougail_filename'] = true_destfilename
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task_vars['rougail_destination_dir'] = destdir
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self._task.args['src'] = filename
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self._task.args['dest'] = destfilename
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# add custom filter
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custom_filters.update(eosfunc)
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# do not copy file in host but stay it locally
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self._shared_loader_obj.action_loader.ori_get = self._shared_loader_obj.action_loader.get
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self._shared_loader_obj.action_loader.get = FakeGet(self._shared_loader_obj.action_loader).fake_get
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# template
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ret = self.run(task_vars=task_vars)
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# restore get function
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self._shared_loader_obj.action_loader.get = self._shared_loader_obj.action_loader.ori_get
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# remove custom filter
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custom_filters.clear()
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if ret.get('failed'):
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raise TemplateError(f'error while templating "{filename}": {ret["msg"]}')
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