Robert Kanter created HADOOP-12954:
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Summary: Add a way to change hadoop.security.token.service.use_ip
Key: HADOOP-12954
URL: https://issues.apache.org/jira/browse/HADOOP-12954
Project: Hadoop Common
Issue Type: Bug
Affects Versions: 2.6.0
Reporter: Robert Kanter
Assignee: Robert Kanter
Currently, {{hadoop.security.token.service.use_ip}} is set on JVM startup via:
{code:java}
static {
Configuration conf = new Configuration();
boolean useIp = conf.getBoolean(
CommonConfigurationKeys.HADOOP_SECURITY_TOKEN_SERVICE_USE_IP,
CommonConfigurationKeys.HADOOP_SECURITY_TOKEN_SERVICE_USE_IP_DEFAULT);
setTokenServiceUseIp(useIp);
}
{code}
This is a problem for clients, such as Oozie, who don't add *-site.xml files to
their classpath. Oozie normally creates a {{JobClient}} and passes a
{{Configuration}} to it with the proper configs we need. However, because
{{hadoop.security.token.service.use_ip}} is specified in a static block like
this, and there's no API to change it, Oozie has no way to set it to the
non-default value.
I propose we add a {{setConfiguration}} method which takes a {{Configuration}}
and rereads {{hadoop.security.token.service.use_ip}}. There's a few other
properties that are also loaded statically on startup that can be reloaded here
as well.
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