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From priyanka gugale <priyanka.gug...@gmail.com>
Subject Re: Specify optional service config parameter without default value
Date Wed, 29 Jun 2016 07:43:00 GMT
This seems to work with Ambari version 2.2.2.

Thanks for all inputs.

-Priyanka

On Wed, Jun 29, 2016 at 11:30 AM, priyanka gugale <priyanka.gugale@gmail.com
> wrote:

> As I understand combination of suggested option should work. Can see it
> being used in Kerberos service as well in Ambari repository:
>  <property require-input="false">
>     <name>domains</name>
>     <display-name>Domains</display-name>
>     <description>
>       A comma-separated list of domain names used to map server host names
> to the Realm name (e.g. .example.com,example.com). This is optional
>     </description>
>     <value/>
>     <value-attributes>
>       <empty-value-valid>true</empty-value-valid>
>       <overridable>false</overridable>
>     </value-attributes>
>   </property>
>
>
> But for some reason doesn't work for it. It still marks config parameters
> are required. I am using Ambari version 2.0, is there any known issue?
>
> -Priyanka
>
> On Mon, Jun 27, 2016 at 10:14 PM, Juanjo Marron <juanjo.marron@yahoo.com>
> wrote:
>
>> Hi Priyanka,
>>
>> Could this property option help on your goal: <property
>> require-input="false"> ?
>>
>>
>>
>>
>> On Friday, June 24, 2016 8:52 AM, priyanka gugale <
>> priyanka.gugale@gmail.com> wrote:
>>
>>
>> Hi,
>>
>> I am still facing the problem. Here is my updated configuration:
>>
>> <property>
>>     <name>datatorrent.config_file.path</name>
>>     <value></value>
>>     <description>Full path to existing dt-site.xml file to use for new
>> installation. Overrides default and previous dt-site.xml</description>
>>     <value-attributes>
>>       <empty-value-valid>true</empty-value-valid>
>>     </value-attributes>
>>   </property>
>>
>> Even after adding this configuration it shows me the config is required.
>>
>> -Priyanka
>>
>> On Fri, Jun 24, 2016 at 1:24 PM, priyanka gugale <priyag@apache.org>
>> wrote:
>>
>> Thanks Alejandro fro response.
>>
>> -Priyanka
>>
>> On Thu, Jun 23, 2016 at 9:40 PM, Alejandro Fernandez <
>> afernandez@hortonworks.com> wrote:
>>
>>   <property>
>>     <name>foo</name>
>>     <value></value>
>>     <description>bar</description>
>> *    <value-attributes>*
>> *      <empty-value-valid>true</empty-value-valid>*
>> *    </value-attributes>*
>>     <on-ambari-upgrade add="true"/>
>>   </property>
>>
>> From: priyanka gugale <priyag@apache.org>
>> Reply-To: "user@ambari.apache.org" <user@ambari.apache.org>
>> Date: Thursday, June 23, 2016 at 6:06 AM
>> To: "user@ambari.apache.org" <user@ambari.apache.org>
>> Subject: Specify optional service config parameter without default value
>>
>> Hi,
>>
>> I would like to specify couple of service parameters which are optional
>> and don't have a default value.
>>
>> I have specified my parameter in following way in config file:
>>
>> <property>
>>     <name>datatorrent.config_file.path</name>
>>     <value></value>
>>     <description>Full path to existing dt-site.xml file to use for new
>> installation. Overrides default and previous dt-site.xml</description>
>>   </property>
>>
>> Ambari doesn't allow the blank config value. Please check attached
>> screenshot.
>> Is there any xml tag in property which will allow me to skip optional
>> parameters?
>>
>> -Priyanka
>>
>>
>>
>>
>>
>>
>

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