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From Lukáš Drbal <lukas.dr...@gmail.com>
Subject Re: Ambari 2.4 - custom service and condition package instalation
Date Mon, 09 Jan 2017 20:19:23 GMT
Hi Alejandro,

thank you for response! I definitely don't,  because it means change ambari
source code just because adding new service and this wasn't needed in 2.2.
Am i correct?
If yes, that's strange :-(

Lukas

On Mon, Jan 9, 2017 at 8:16 PM, Alejandro Fernandez <
afernandez@hortonworks.com> wrote:

> Hi Lukas,
>
> It's not finding the method names "should_install_supervisor", "
> should_install_apache"
>
> Did you add them to this list?
>
> __all__ = ["is_lzo_enabled", "should_install_phoenix", "should_install_ams_collector",
"should_install_ams_grafana",
>            "should_install_mysql", "should_install_mysql_connector", "should_install_ranger_tagsync"]
>
>
> Thanks,
>
> Alejandro
>
> From: Lukáš Drbal <lukas.drbal@gmail.com>
> Reply-To: "user@ambari.apache.org" <user@ambari.apache.org>
> Date: Monday, January 9, 2017 at 8:17 AM
> To: "user@ambari.apache.org" <user@ambari.apache.org>
> Subject: Ambari 2.4 - custom service and condition package instalation
>
> Hi,
>
> i have custom service which provides more components [1].
> All components are installed from deb packages and i don't wanna install
> all packages on all nodes (just component specific) so i try to use
> condition [2] but it ends with error:
> "resource_management.core.exceptions.Fail: Condition with name
> 'should_install_confluent_supervisor', when installing package
> supervisor. Please check package_conditions.py."
>
> I check source code and it look's [3] like there is hardcoded package
> "resource_management.libraries.functions".
>
> In 2.2 i was able to use param exclude_packages in install method. How i
> can achieve same functionality in 2.4? Did i miss something?
>
> Thanks for help.
>
> [1]
> I have list of all packages in metainfo.xml
> For example:
> <osSpecifics>
>   <osSpecific>
>     <osFamily>ubuntu14</osFamily>
>     <packages>
>       <package>
>         <name>supervisor</name>
>         <condition>should_install_supervisor</condition>
>       </package>
>       <package>
>         <name>apache</name>
>         <condition>should_install_apache</condition>
>       </package>
>     </packages>
>   </<osSpecific>
> </osSpecifics>
>
> def should_install_supervisor():
>     config = Script.get_config()
>     # _has_applicable_local_component is copied
> from ambari-common/src/main/python/resource_management/
> libraries/functions/package_conditions.py
>     return _has_applicable_local_component(config, ["MY_SERVICE"])
>
> [3]  https://github.com/apache/ambari/blob/release-2.4.2/
> ambari-common/src/main/python/resource_management/libraries/
> script/script.py#L592
>
> --
> Save The World - http://www.worldcommunitygrid.org/
> http://www.worldcommunitygrid.org/stat/viewMemberInfo.do?userName=LesTR
>
> LesTR
>



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