原答案地址：http://stackoverflow.com/questions/20527098/how-to-access-local-directory-with-script-executed-in-oozie
Q:
I am running CDH4.5 with virtualbox on my machine. Inside the VM, I have a local directory:
/home/cloudera/logs/abc.log, and I wanna do a very simple thing, I scheduled a very simple script in oozie to copy theabc.logto HDFS (/user/cloudera/logs/).
The scheduled job got executed, but in the stderr, it shows me that:
cannot access /home/cloudera/logs/abc.log: No such file or directory
Is there anyway that could make this work? Because I wanna schedule a script with oozie to copy files from local to HDFS as a bath job daily. Thanks!!
An Oozie shell action is executed on a random Hadoop node, i.e. not locally on the machine where the Oozie server is running.
To implement an action that is executed locally, you could use the SSH action:http://oozie.apache.org/docs/3.3.2/DG_SshActionExtension.html with localhost. See e.g.https://github.com/airawat/OozieSamples/tree/master/oozieProject/workflowSshAction for a nice complete example.
Alternatively, you can start a shell action and execute a script that will SSH to the correct machine.
简单来说，就是oozie执行workflow时，是在随机的一个hadoop节点上，并不是在某一台本地机器，若在bash命令中需要访问到本地文件，可以通过两种方式：
第一种就是这篇答案里面所说的，通过oozie的ssh action，来指定执行这个bash的本地机器
第二种是通过手动加载本地机器的配置文件，在.sh文件内容中添加[. /etc/profile]来加载bash环境变量，也可以达到这个目的。
PS：CDH的oozie执行的时候，使用的yarn用户
