[openstack-dev] [all] how to send messages (and events) to our users

Chris Friesen chris.friesen at windriver.com
Tue Apr 7 05:45:26 UTC 2015

On 04/06/2015 10:08 PM, Angus Salkeld wrote:
> On Tue, Apr 7, 2015 at 1:53 PM, Chris Friesen <chris.friesen at windriver.com
> <mailto:chris.friesen at windriver.com>> wrote:
>     On 04/06/2015 08:55 PM, Angus Salkeld wrote:
>         Hi all
>         For quite some time we (Heat team) have wanted to be able to send
>         messages to our
>         users (by user I do not mean the Operator, but the User that is
>         interacting with
>         the client).
>         What do I mean by "user messages", and how do they differ from our
>         current log
>         messages and notifications?
>         - Our current logs are for the operator and have information that the user
>         should not have
>             (ip addresses, hostnames, configuration options, other tenant info
>         etc..)
>         - Our notifications (that Ceilometer uses) *could* be used, but I am not
>         sure if
>         it quite fits.
>             (they seem a bit heavy weight for a log message and aimed at higher
>         level events)
>     <snip>
>         What are some options we could investigate:
>         1. remote syslog
>         2. Zaqar
>         3. Other options:
>              Please chip in with suggestions/links!
>     What about a per-user notification topic using the existing notification
>     backend?
> Wouldn't that require the Operator to provide the end user with access to the
> message bus?
> Seems scary to me.

AMQP supports access controls, so is it really all that scary?  Maybe set up a 
virtual host per user if we want to be paranoid? (Just throwing it out there as 
an option since we're already using it...)


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