Python Block.always方法代码示例

# 需要导入模块: from ansible.playbook.block import Block [as 别名]
# 或者: from ansible.playbook.block.Block import always [as 别名]
    def _create_noop_block_from(self, original_block, parent):
        noop_block = Block(parent_block=parent)
        noop_block.block = self._replace_with_noop(original_block.block)
        noop_block.always = self._replace_with_noop(original_block.always)
        noop_block.rescue = self._replace_with_noop(original_block.rescue)

        return noop_block

# 需要导入模块: from ansible.playbook.block import Block [as 别名]
# 或者: from ansible.playbook.block.Block import always [as 别名]

#.........这里部分代码省略.........
                                skip_rest = True
                                break

                        self._display.debug("getting variables")
                        task_vars = self._variable_manager.get_vars(loader=self._loader, play=iterator._play, host=host, task=task)
                        task_vars = self.add_tqm_variables(task_vars, play=iterator._play)
                        templar = Templar(loader=self._loader, variables=task_vars)
                        self._display.debug("done getting variables")

                        if not callback_sent:
                            display.debug("sending task start callback, copying the task so we can template it temporarily")
                            saved_name = task.name
                            display.debug("done copying, going to template now")
                            try:
                                task.name = text_type(templar.template(task.name, fail_on_undefined=False))
                                display.debug("done templating")
                            except:
                                # just ignore any errors during task name templating,
                                # we don't care if it just shows the raw name
                                display.debug("templating failed for some reason")
                                pass
                            display.debug("here goes the callback...")
                            self._tqm.send_callback('v2_playbook_on_task_start', task, is_conditional=False)
                            task.name = saved_name
                            callback_sent = True
                            display.debug("sending task start callback")

                        self._blocked_hosts[host.get_name()] = True
                        self._queue_task(host, task, task_vars, play_context)

                    results = self._process_pending_results(iterator)
                    host_results.extend(results)

                    # if we're bypassing the host loop, break out now
                    if run_once:
                        break

                # go to next host/task group
                if skip_rest:
                    continue

                self._display.debug("done queuing things up, now waiting for results queue to drain")
                results = self._wait_on_pending_results(iterator)
                host_results.extend(results)

                if not work_to_do and len(iterator.get_failed_hosts()) > 0:
                    self._display.debug("out of hosts to run on")
                    self._tqm.send_callback('v2_playbook_on_no_hosts_remaining')
                    result = False
                    break

                try:
                    included_files = IncludedFile.process_include_results(host_results, self._tqm, iterator=iterator, loader=self._loader, variable_manager=self._variable_manager)
                except AnsibleError as e:
                    return False

                if len(included_files) > 0:
                    noop_task = Task()
                    noop_task.action = 'meta'
                    noop_task.args['_raw_params'] = 'noop'
                    noop_task.set_loader(iterator._play._loader)

                    all_blocks = dict((host, []) for host in hosts_left)
                    for included_file in included_files:
                        # included hosts get the task list while those excluded get an equal-length
                        # list of noop tasks, to make sure that they continue running in lock-step
                        try:
                            new_blocks = self._load_included_file(included_file, iterator=iterator)
                        except AnsibleError as e:
                            for host in included_file._hosts:
                                iterator.mark_host_failed(host)
                            self._display.warning(str(e))
                            continue

                        for new_block in new_blocks:
                            noop_block = Block(parent_block=task._block)
                            noop_block.block  = [noop_task for t in new_block.block]
                            noop_block.always = [noop_task for t in new_block.always]
                            noop_block.rescue = [noop_task for t in new_block.rescue]
                            for host in hosts_left:
                                if host in included_file._hosts:
                                    task_vars = self._variable_manager.get_vars(loader=self._loader, play=iterator._play, host=host, task=included_file._task)
                                    final_block = new_block.filter_tagged_tasks(play_context, task_vars)
                                    all_blocks[host].append(final_block)
                                else:
                                    all_blocks[host].append(noop_block)

                    for host in hosts_left:
                        iterator.add_tasks(host, all_blocks[host])

                self._display.debug("results queue empty")
            except (IOError, EOFError) as e:
                self._display.debug("got IOError/EOFError in task loop: %s" % e)
                # most likely an abort, return failed
                return False

        # run the base class run() method, which executes the cleanup function
        # and runs any outstanding handlers which have been triggered

        return super(StrategyModule, self).run(iterator, play_context, result)

# 需要导入模块: from ansible.playbook.block import Block [as 别名]
# 或者: from ansible.playbook.block.Block import always [as 别名]

#.........这里部分代码省略.........
                    return self._tqm.RUN_ERROR

                include_failure = False
                if len(included_files) > 0:
                    display.debug("we have included files to process")
                    noop_task = Task()
                    noop_task.action = 'meta'
                    noop_task.args['_raw_params'] = 'noop'
                    noop_task.set_loader(iterator._play._loader)

                    display.debug("generating all_blocks data")
                    all_blocks = dict((host, []) for host in hosts_left)
                    display.debug("done generating all_blocks data")
                    for included_file in included_files:
                        display.debug("processing included file: %s" % included_file._filename)
                        # included hosts get the task list while those excluded get an equal-length
                        # list of noop tasks, to make sure that they continue running in lock-step
                        try:
                            new_blocks = self._load_included_file(included_file, iterator=iterator)

                            display.debug("iterating over new_blocks loaded from include file")
                            for new_block in new_blocks:
                                task_vars = self._variable_manager.get_vars(
                                    loader=self._loader,
                                    play=iterator._play,
                                    task=included_file._task,
                                )
                                display.debug("filtering new block on tags")
                                final_block = new_block.filter_tagged_tasks(play_context, task_vars)
                                display.debug("done filtering new block on tags")

                                noop_block = Block(parent_block=task._parent)
                                noop_block.block  = [noop_task for t in new_block.block]
                                noop_block.always = [noop_task for t in new_block.always]
                                noop_block.rescue = [noop_task for t in new_block.rescue]

                                for host in hosts_left:
                                    if host in included_file._hosts:
                                        all_blocks[host].append(final_block)
                                    else:
                                        all_blocks[host].append(noop_block)
                            display.debug("done iterating over new_blocks loaded from include file")

                        except AnsibleError as e:
                            for host in included_file._hosts:
                                self._tqm._failed_hosts[host.name] = True
                                iterator.mark_host_failed(host)
                            display.error(to_text(e), wrap_text=False)
                            include_failure = True
                            continue

                    # finally go through all of the hosts and append the
                    # accumulated blocks to their list of tasks
                    display.debug("extending task lists for all hosts with included blocks")

                    for host in hosts_left:
                        iterator.add_tasks(host, all_blocks[host])

                    display.debug("done extending task lists")
                    display.debug("done processing included files")

                display.debug("results queue empty")

                display.debug("checking for any_errors_fatal")
                failed_hosts = []
                unreachable_hosts = []

# 需要导入模块: from ansible.playbook.block import Block [as 别名]
# 或者: from ansible.playbook.block.Block import always [as 别名]

#.........这里部分代码省略.........

                    # if we're bypassing the host loop, break out now
                    if run_once:
                        break

                debug("done queuing things up, now waiting for results queue to drain")
                results = self._wait_on_pending_results(iterator)
                host_results.extend(results)

                # FIXME: this needs to be somewhere else
                class IncludedFile:
                    def __init__(self, filename, args, task):
                        self._filename = filename
                        self._args     = args
                        self._task     = task
                        self._hosts    = []
                    def add_host(self, host):
                        if host not in self._hosts:
                            self._hosts.append(host)
                    def __eq__(self, other):
                        return other._filename == self._filename and other._args == self._args
                    def __repr__(self):
                        return "%s (%s): %s" % (self._filename, self._args, self._hosts)

                # FIXME: this should also be moved to the base class in a method
                included_files = []
                for res in host_results:
                    if res._task.action == 'include':
                        if res._task.loop:
                            include_results = res._result['results']
                        else:
                            include_results = [ res._result ]

                        for include_result in include_results:
                            # if the task result was skipped or failed, continue
                            if 'skipped' in include_result and include_result['skipped'] or 'failed' in include_result:
                                continue

                            original_task = iterator.get_original_task(res._host, res._task)
                            if original_task and original_task._role:
                                include_file = self._loader.path_dwim_relative(original_task._role._role_path, 'tasks', include_result['include'])
                            else:
                                include_file = self._loader.path_dwim(res._task.args.get('_raw_params'))

                            include_variables = include_result.get('include_variables', dict())
                            if 'item' in include_result:
                                include_variables['item'] = include_result['item']

                            inc_file = IncludedFile(include_file, include_variables, original_task)

                            try:
                                pos = included_files.index(inc_file)
                                inc_file = included_files[pos]
                            except ValueError:
                                included_files.append(inc_file)

                            inc_file.add_host(res._host)

                # FIXME: should this be moved into the iterator class? Main downside would be
                #        that accessing the TQM's callback member would be more difficult, if
                #        we do want to send callbacks from here
                if len(included_files) > 0:
                    noop_task = Task()
                    noop_task.action = 'meta'
                    noop_task.args['_raw_params'] = 'noop'
                    noop_task.set_loader(iterator._play._loader)

                    all_blocks = dict((host, []) for host in hosts_left)
                    for included_file in included_files:
                        # included hosts get the task list while those excluded get an equal-length
                        # list of noop tasks, to make sure that they continue running in lock-step
                        try:
                            new_blocks = self._load_included_file(included_file)
                        except AnsibleError, e:
                            for host in included_file._hosts:
                                iterator.mark_host_failed(host)
                            # FIXME: callback here?
                            print(e)

                        for new_block in new_blocks:
                            noop_block = Block(parent_block=task._block)
                            noop_block.block  = [noop_task for t in new_block.block]
                            noop_block.always = [noop_task for t in new_block.always]
                            noop_block.rescue = [noop_task for t in new_block.rescue]
                            for host in hosts_left:
                                if host in included_file._hosts:
                                    task_vars = self._variable_manager.get_vars(loader=self._loader, play=iterator._play, host=host, task=included_file._task)
                                    final_block = new_block.filter_tagged_tasks(connection_info, task_vars)
                                    all_blocks[host].append(final_block)
                                else:
                                    all_blocks[host].append(noop_block)

                    for host in hosts_left:
                        iterator.add_tasks(host, all_blocks[host])

                debug("results queue empty")
            except (IOError, EOFError), e:
                debug("got IOError/EOFError in task loop: %s" % e)
                # most likely an abort, return failed
                return 1

# 需要导入模块: from ansible.playbook.block import Block [as 别名]
# 或者: from ansible.playbook.block.Block import always [as 别名]

#.........这里部分代码省略.........
                        if meta_action == 'noop':
                            # FIXME: issue a callback for the noop here?
                            continue
                        elif meta_action == 'flush_handlers':
                            self.run_handlers(iterator, connection_info)
                        else:
                            raise AnsibleError("invalid meta action requested: %s" % meta_action, obj=task._ds)
                    else:
                        debug("getting variables")
                        task_vars = self._variable_manager.get_vars(loader=self._loader, play=iterator._play, host=host, task=task)
                        task_vars = self.add_tqm_variables(task_vars, play=iterator._play)
                        templar = Templar(loader=self._loader, variables=task_vars)
                        debug("done getting variables")

                        if not callback_sent:
                            temp_task = task.copy()
                            temp_task.name = templar.template(temp_task.get_name(), fail_on_undefined=False)
                            self._tqm.send_callback('v2_playbook_on_task_start', temp_task, is_conditional=False)
                            callback_sent = True

                        self._blocked_hosts[host.get_name()] = True

                       #Code for Distributed ansible.
                        self._pending_results += 1
                        dtask = {}
                        (worker_prc, main_q, rslt_q) = self._workers[self._cur_worker]
                        t_uuid              = task._uuid
                        task._uuid          = None
                        dtask['host']       = jsonpickle.encode(host)
                        dtask['task_vars']  = jsonpickle.encode(task_vars)
                        dtask['task']       = jsonpickle.encode(task)
                        dtask['conn_info']  = jsonpickle.encode(connection_info)
                        dtask['base_dir']   = self._loader.get_basedir()
#                       dtask['uuid']       = t_uuid 
                        final_task          = json.dumps(dtask)
                        remote_task         = TaskRpcClient()
                        task_response        = remote_task.put(final_task)
                    
#                        self._queue_task(host, task, task_vars, connection_info)

                    task_result = json.loads(task_response)
                    rslt_q.put(jsonpickle.decode(task_result),block=False)
                    results = self._process_pending_results(iterator)
                    host_results.extend(results)

                    # if we're bypassing the host loop, break out now
                    if run_once:
                        break

                debug("done queuing things up, now waiting for results queue to drain")
                results = self._wait_on_pending_results(iterator)
                host_results.extend(results)

                if not work_to_do and len(iterator.get_failed_hosts()) > 0:
                    debug("out of hosts to run on")
                    self._tqm.send_callback('v2_playbook_on_no_hosts_remaining')
                    result = False
                    break

                try:
                    included_files = IncludedFile.process_include_results(host_results, self._tqm, iterator=iterator, loader=self._loader, variable_manager=self._variable_manager)
                except AnsibleError, e:
                    return False

                if len(included_files) > 0:
                    noop_task = Task()
                    noop_task.action = 'meta'
                    noop_task.args['_raw_params'] = 'noop'
                    noop_task.set_loader(iterator._play._loader)

                    all_blocks = dict((host, []) for host in hosts_left)
                    for included_file in included_files:
                        # included hosts get the task list while those excluded get an equal-length
                        # list of noop tasks, to make sure that they continue running in lock-step
                        try:
                            new_blocks = self._load_included_file(included_file, iterator=iterator)
                        except AnsibleError, e:
                            for host in included_file._hosts:
                                iterator.mark_host_failed(host)
                            # FIXME: callback here?
                            print(e)
                            continue

                        for new_block in new_blocks:
                            noop_block = Block(parent_block=task._block)
                            noop_block.block  = [noop_task for t in new_block.block]
                            noop_block.always = [noop_task for t in new_block.always]
                            noop_block.rescue = [noop_task for t in new_block.rescue]
                            for host in hosts_left:
                                if host in included_file._hosts:
                                    task_vars = self._variable_manager.get_vars(loader=self._loader, play=iterator._play, host=host, task=included_file._task)
                                    final_block = new_block.filter_tagged_tasks(connection_info, task_vars)
                                    all_blocks[host].append(final_block)
                                else:
                                    all_blocks[host].append(noop_block)

                    for host in hosts_left:
                        iterator.add_tasks(host, all_blocks[host])

                debug("results queue empty")