在远程剧本中运行ansible本地任务 [英] running an ansible local task in a remote playbook

问题描述

我正在尝试使此任务在本地运行(在运行剧本的计算机上):

I'm trying to get this task to run locally (on the machine that is running the playbook) :

- name: get the local repo's branch name
  local_action: git branch | awk '/^\*/{print $2}'
  register: branchName

我尝试了很多变化，但没有成功

I tried plenty of variations with no success

所有其他任务都应在目标主机上运行，​​这就是为什么不能在本地运行整个剧本的原因

all other tasks are meant to run on the target host, which is why running the whole playbook local is not an option

TASK: [get the local repo's branch name] ************************************** 
<127.0.0.1> REMOTE_MODULE git branch | awk '/^\*/{print $2}'
<127.0.0.1> EXEC ['/bin/sh', '-c', 'mkdir -p $HOME/.ansible/tmp/ansible-tmp-1407258765.57-75899426008172 && chmod a+rx $HOME/.ansible/tmp/ansible-tmp-1407258765.57-75899426008172 && echo $HOME/.ansible/tmp/ansible-tmp-1407258765.57-75899426008172']
<127.0.0.1> PUT /tmp/tmpQVocvw TO /home/max/.ansible/tmp/ansible-tmp-1407258765.57-75899426008172/git
<127.0.0.1> EXEC ['/bin/sh', '-c', '/usr/bin/python /home/max/.ansible/tmp/ansible-tmp-1407258765.57-75899426008172/git; rm -rf /home/max/.ansible/tmp/ansible-tmp-1407258765.57-75899426008172/ >/dev/null 2>&1']
failed: [portal-dev] => {"failed": true}
msg: this module requires key=value arguments (['branch', '|', 'awk', '/^\\*/{print $2}'])

FATAL: all hosts have already failed -- aborting

更新:

我遵循了bkan的建议(贝洛)，并且走得更远，但是

update:

I have followed bkan's suggestion (bellow), and got a bit further, but

  - name: get the local repo's branch name
    local_action: command git branch | (awk '/^\*/{print $2}')
    sudo: no
    register: branchName

现在启动了git命令，但启动不正确(请参见下面的错误).

now the git command gets launched but not correctly (see error below).

请注意，此命令可以作为"shell"完美运行，但不幸的是，没有与local_action等效的local_shell ...

note that this command runs perfectly as a "shell" but unfortunately there is no local_shell equivalent of local_action ...

failed: [portal-dev] => {"changed": true, "cmd": ["git", "branch", "|", "(awk", "/^\\*/{print $2})"], "delta": "0:00:00.002980", "end": "2014-08-05 18:00:01.293632", "rc": 129, "start": "2014-08-05 18:00:01.290652"}
stderr: usage: git branch [options] [-r | -a] [--merged | --no-merged]
   or: git branch [options] [-l] [-f] <branchname> [<start-point>]
   or: git branch [options] [-r] (-d | -D) <branchname>...
   or: git branch [options] (-m | -M) [<oldbranch>] <newbranch>

...

推荐答案

local_action的格式为:

The format for local_action is:

local_action: <module_name> <arguments>

在您的示例中，Ansible认为您正在尝试使用git模块，并抛出错误，因为您没有git模块的正确参数.这是它的外观:

In your example, Ansible thinks you are trying to use the git module and throws an error because you don't have the correct arguments for the git module. Here is how it should look:

local_action: shell git branch | awk '/^\*/{print $2}'

来源: http://docs.ansible.com/playbooks_delegation.html#delegation

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