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From Jian Jiang <jackie.ji...@equifax.com>
Subject RE: [IE] Re: [IE] Re: passing environment variables to flink program
Date Sun, 06 Dec 2015 14:45:21 GMT
Thanks Robert –

I will update you when get time.

jackie
From: rmetzger0 [via Apache Flink User Mailing List archive.] [mailto:ml-node+s2336050n3935h57@n4.nabble.com]
Sent: Saturday, December 05, 2015 9:12 AM
To: Jian Jiang
Subject: [IE] Re: [IE] Re: passing environment variables to flink program

Just a little note, the feature requested in FLINK-2954<https://issues.apache.org/jira/browse/FLINK-2954>
has been implemented and is available in 1.0-SNAPSHOT now.

Please let me know if its working as expected.

On Wed, Nov 4, 2015 at 6:35 PM, Jian Jiang <[hidden email]</user/SendEmail.jtp?type=node&node=3935&i=0>>
wrote:
I have to continue the evaluation so I managed to patch a fix to my local
build. In case someone cannot wait here is what I did:

1. In the flink-core's ConfigConstants.java add

public static final String FLINK_JVM_OPTIONS = "env.java.opts"; <-- existing
public static final String FLINK_CUSTOM_ENV_VARS = "env.custom.env.vars";

2. In the flink-conf.yaml now you can add environment variables separated by
"|":

env.custom.env.vars: name1=value1|name2=value2|name3=value3 ....

3. In the flink-yarn's YarnJobManager.scala's createContainerLaunchContext()
method add the following between the two existing lines:

    Utils.setupEnv(yarnConf, containerEnv) <-- existing

    val customEnvOpts =
flinkConfiguration.getString(ConfigConstants.FLINK_CUSTOM_ENV_VARS, "")

if(customEnvOpts!=null)
{
val variables = customEnvOpts.split("\\|");
if(variables!=null&&variables.length>0)
{
for(variable <- variables)
{
val pair = variable.split("=");
containerEnv.put(pair(0), pair(1));
}
}
}
    containerEnv.put(FlinkYarnClientBase.ENV_CLIENT_USERNAME,
yarnClientUsername) <-- existing

Now the container running my program sees the env variables.

Note this is temp work around for local personally and should be discarded
once Flink 1.0 comes out.




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