savanna-all team mailing list archive

[Philip Langdale <philipl@xxxxxxxxxxxx>]

My understanding from reading the documentation is that get_node_processes
is returning static information, simply stating which processes are defined
for each service (in CM terminology, the set of role types that belong to a
service type). It's not attempting to reflect anything about the actual
structure of an instantiated cluster.



--phil


On 30 May 2013 08:18, Sergey Lukjanov <slukjanov@xxxxxxxxxxxx> wrote:

> The "get_node_processes" function is needed to display supported services
> and node-processes at UI. The list of node processes should be specified in
> node group to tell plugin which process should be started at instances of
> the node group. In file-based configuration flow plugin should set node
> processes per node groups, so, there is no need to pass any additional info
> to this function.
>
> Sincerely yours,
> Sergey Lukjanov
> Software Engineer
> Mirantis Inc.
> GTalk: me@xxxxxxxxxxx
> Skype: lukjanovsv
>
> On May 30, 2013, at 19:11, John Speidel <jspeidel@xxxxxxxxxxxxxxx> wrote:
>
> > I am looking for clarification on get_node_processes(hadoop_version).
> > I assume that this is only used for template creation?
> >
> > The reason that I ask is that there is no cluster object passed in the
> call so the plugin will only be able to return default service/component
> information for the specified version.  In other words, if this is used in
> places other than template creation, since an advanced(plugin specific)
> configuration is not passed, the plugin will only return default data,
> which may not match the specified advanced configuration.
> >
> > Thanks,
> > John
> >
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