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https://issues.apache.org/jira/browse/AMBARI-7204?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robert Levas updated AMBARI-7204:
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Description:
*Problem*
Manually installing and setting up Kerberos for a secure Hadoop cluster is
error prone, largely manual and a potential source of configuration problems.
It requires many steps where configuration files and credentials may need to be
distributed across many nodes. Because of this the process is time consuming
and lead to a high probability of user error.
The problem is exacerbated when the cluster is modified by adding or removing
nodes and services.
*Solution*
Use Ambari to secure the cluster using Kerberos. By automating the process of
setting up Kerberos, the repetitive tasks of distributing configuration details
and credentials can be done in parallel to the nodes within the cluster. This
also negates most user-related errors due to the lack of interaction a user has
with the process.
See [^AmbariClusterKerberization.pdf] for more details.
was:
*Problem*
Manually installing and setting up Kerberos for a secure Hadoop cluster is
error prone, largely manual and a potential source of configuration problems.
It requires many steps where configuration files and credentials may need to be
distributed across many nodes. Because of this the process is time consuming
and lead to a high probability of user error.
The problem is exacerbated when the cluster is modified by adding or removing
nodes and services.
*Solution*
Use Ambari to secure the cluster using Kerberos. By automating the process of
setting up Kerberos, the repetitive tasks of distributing configuration details
and credentials can be done in parallel to the nodes within the cluster. This
also negates most user-related errors due to the lack of interaction a user has
with the process.
> Ambari Automated Kerberization
> ------------------------------
>
> Key: AMBARI-7204
> URL: https://issues.apache.org/jira/browse/AMBARI-7204
> Project: Ambari
> Issue Type: Epic
> Components: ambari-server, security, stacks
> Affects Versions: 2.0.0
> Environment: Kerberos
> Reporter: Robert Levas
> Labels: active-directory, authentication, kerberos,
> mit-kerberos, security, stack
> Attachments: AmbariClusterKerberization.pdf
>
> Original Estimate: 2,016h
> Remaining Estimate: 2,016h
>
> *Problem*
> Manually installing and setting up Kerberos for a secure Hadoop cluster is
> error prone, largely manual and a potential source of configuration problems.
> It requires many steps where configuration files and credentials may need to
> be distributed across many nodes. Because of this the process is time
> consuming and lead to a high probability of user error.
> The problem is exacerbated when the cluster is modified by adding or removing
> nodes and services.
> *Solution*
> Use Ambari to secure the cluster using Kerberos. By automating the process
> of setting up Kerberos, the repetitive tasks of distributing configuration
> details and credentials can be done in parallel to the nodes within the
> cluster. This also negates most user-related errors due to the lack of
> interaction a user has with the process.
> See [^AmbariClusterKerberization.pdf] for more details.
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