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Posted to dev@knox.apache.org by "Sandor Molnar (Jira)" <ji...@apache.org> on 2020/01/22 07:44:00 UTC
[jira] [Work started] (KNOX-2190) Cloudera Manager integration -
advance service discovery handling on topology level
[ https://issues.apache.org/jira/browse/KNOX-2190?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Work on KNOX-2190 started by Sandor Molnar.
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> Cloudera Manager integration - advance service discovery handling on topology level
> -----------------------------------------------------------------------------------
>
> Key: KNOX-2190
> URL: https://issues.apache.org/jira/browse/KNOX-2190
> Project: Apache Knox
> Issue Type: New Feature
> Components: Server
> Affects Versions: 1.4.0
> Reporter: Sandor Molnar
> Assignee: Sandor Molnar
> Priority: Major
> Fix For: 1.4.0
>
>
> With KNOX-2186, Knox is capable of processing a properties file ({{auto-discovery-advanced-configuration.properties}}) which CM generates with a list of boolean flags of enabled services. These boolean flags are valid to all descriptors (topologies) within all topologies listed in {{gateway.auto.discovery.expected.topology.names}}.
> It'd be beneficial to refine this behavior the following way:
> - the monitor would handle different properties files with {{auto-discovery-advanced-configuration}} file name prefix (it's also recommended that whoever generates these files the file name suffix would be the topology name. For instance: {{auto-discovery-advanced-configuration-topology1.properties}}).
> - a new property should be introduced in each property file: {{gateway.auto.discovery.topology.name}} to indicate the topology name (to not to rely on the file name suffix)
> - keep the existing list of boolean flags of service enablement
> - the existing {{gateway.auto.discovery.expected.topology.names}} property should be removed (it's no longer useful)
> The monitor then builds a map of properties where the key is the topology name and the value is a list of boolean flags (if service X is enabled or not) and notifies all {{AdvancedServiceDiscoveryConfigChangeListener}} instances when a change is detected.
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