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https://issues.apache.org/jira/browse/NIFI-5443?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16556775#comment-16556775
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Prashanth Venkatesan commented on NIFI-5443:
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[~alopresto] Scaling in running NiFi secure cluster expects empty
authorizers.xml from new node to join the cluster. Say, node-0 & node-1
running as secure nifi cluster. I modified policies and flow in that cluster.
Now, if new fresh node-3 to join the cluster, we need to pass *empty
authorizers.xml.* Is there any other elegant way of handling this because we
need to handle this in docker container?
> Improve cluster configuration for dynamic scaling
> -------------------------------------------------
>
> Key: NIFI-5443
> URL: https://issues.apache.org/jira/browse/NIFI-5443
> Project: Apache NiFi
> Issue Type: Improvement
> Components: Core Framework
> Affects Versions: 1.7.1
> Reporter: Andy LoPresto
> Priority: Critical
> Labels: cluster, docker, kubernetes, rkt, scale, security
>
> Currently, NiFi is designed for static clusters, with frequent references in
> configuration files to a priori knowledge of node hostnames, ports, etc.
> Efforts should be taken to make NiFi easier to dynamically scale. This can
> involve containerization improvements via Docker/rkt, deployment improvements
> via Kubernetes, and abstraction of the configuration values needed to stand
> up the cluster. A node should be able to join the cluster, and, given the
> correct keystore and truststore, immediately communicate with other existing
> nodes in the cluster without requiring direct configuration changes to them,
> or a restart of any node.
> * {{authorizers.xml}}
> * node identities
> * permissions ({{RW}} on {{/proxy}})
> * ZooKeeper configuration
> * etc.
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