[
https://issues.apache.org/jira/browse/KNOX-2947?focusedWorklogId=876111&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-876111
]
ASF GitHub Bot logged work on KNOX-2947:
----------------------------------------
Author: ASF GitHub Bot
Created on: 14/Aug/23 11:16
Start Date: 14/Aug/23 11:16
Worklog Time Spent: 10m
Work Description: zeroflag opened a new pull request, #783:
URL: https://github.com/apache/knox/pull/783
## What changes were proposed in this pull request?
Validating if shared provider is used by a descriptor before deleting it via
hadoop xml resource monitor.
## How was this patch tested?
Enabling monitor:
```xml
<property>
<name>gateway.cloudera.manager.descriptors.monitor.interval</name>
<value>5000</value>
</property>
```
hxr file
```xml
<configuration>
<property>
<name>topology3</name>
<value>
discoveryType=ClouderaManager#
discoveryAddress=http://host:123#
discoveryUser=user#
discoveryPasswordAlias=alias#
cluster=Cluster 1#
providerConfigRef=used#
app:knoxauth:param1.name=param1.value#
app:admin-ui#
HIVE:url=http://localhost:456#
HIVE:version=1.0#
HIVE:httpclient.connectionTimeout=5m#
HIVE:httpclient.socketTimeout=100m
</value>
</property>
<property>
<name>providerConfigs:used,unused</name>
<value>remove</value>
</property>
</configuration>
```
Observed log messages:
```
2023-08-14 13:08:50,085 WARN knox.gateway
(HadoopXmlResourceParserResult.java:check(54)) - Not deleting provider used as
it is referenced by on ore more descriptors.
2023-08-14 13:08:50,111 INFO knox.gateway
(HadoopXmlResourceMonitor.java:processDeleted(120)) - Deleting file
/Users/attilamagyar/development/test/conf/shared-providers/unused.json
```
Issue Time Tracking
-------------------
Worklog Id: (was: 876111)
Remaining Estimate: 0h
Time Spent: 10m
> Deleting provider via hadoop xml resource should check if the provider is
> used by a descriptor
> ----------------------------------------------------------------------------------------------
>
> Key: KNOX-2947
> URL: https://issues.apache.org/jira/browse/KNOX-2947
> Project: Apache Knox
> Issue Type: Bug
> Reporter: Attila Magyar
> Assignee: Attila Magyar
> Priority: Major
> Time Spent: 10m
> Remaining Estimate: 0h
>
> When deleting a shared provider by using the "delete" keyword in a hxr file
> we currently don't check if the provider is referenced by a descriptor.
> Instead of deleting, we should emit a warning message.
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