Re: [openstack-dev] custom lbaas driver

[Stephen Balukoff]

Srikumar--

I'm not aware of any particular write-up. The best advice I have is to
start with the logging noop driver and refer to the reference haproxy
namespace driver to see what these are doing to implement the functionality
of LBaaS v2.

Sorry! I wish I had better news for you.

Stephen

On Fri, Sep 4, 2015 at 10:36 AM, Srikumar Chari 
wrote:

> Hello,
>
> I am trying to write an custom lbaas v2.0 driver. Was wondering if there's
> a document on how to go about that. I see a number of implementations as
> part of the source code but they all seem to be different. For instance
> HAProxy is completely different when compared to the other vendors. I am
> assuming that HAProxy is the "standard" as it is the default load balancer
> for OpenStack. Is there a design doc or some kinda write up?
>
> This thread was the closest I could get to a write-up:
> https://openstack.nimeyo.com/21628/openstack-dev-neutron-lbaas-need-help-with-lbaas-drivers
> .
>
> I guess I could reverse engineering the HAProxy namespace driver but I am
> probably going to miss some of the design elements. Any help/pointers/links
> would be great.
>
> thanks
> Sri
>
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-- 
Stephen Balukoff
Principal Technologist
Blue Box, An IBM Company
www.blueboxcloud.com
sbaluk...@blueboxcloud.com
206-607-0660 x807
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Re: [openstack-dev] custom lbaas driver

[Doug Wiegley]

Just to add a little flavor and a slightly different twist from what Stephen 
wrote:

- The logging noop driver is indeed a good first place to start.

- The haproxy reference driver is the *only* driver that utilizes the 
lbaas-agent, and it’s being deprecated soon, so…

Most vendor implementations have some sort of outside agent/daemon of their own 
that can be interacted with directly. So unless you need to make async driver 
calls and you have no mechanism to do that yourself, I would avoid doing things 
the way the current haproxy driver is doing them.

For a driver that transforms neutron objects into REST calls and then converts 
the responses, I’d suggest taking a look at the octavia driver after the 
logging noop driver.

Please don’t hesitate to hop into #openstack-lbaas with any questions, in 
addition to here.

Thanks,
doug



> On Sep 10, 2015, at 7:53 PM, Stephen Balukoff  wrote:
> 
> Srikumar--
> 
> I'm not aware of any particular write-up. The best advice I have is to start 
> with the logging noop driver and refer to the reference haproxy namespace 
> driver to see what these are doing to implement the functionality of LBaaS v2.
> 
> Sorry! I wish I had better news for you.
> 
> Stephen
> 
> On Fri, Sep 4, 2015 at 10:36 AM, Srikumar Chari  > wrote:
> Hello,
> 
> I am trying to write an custom lbaas v2.0 driver. Was wondering if there's a 
> document on how to go about that. I see a number of implementations as part 
> of the source code but they all seem to be different. For instance HAProxy is 
> completely different when compared to the other vendors. I am assuming that 
> HAProxy is the "standard" as it is the default load balancer for OpenStack. 
> Is there a design doc or some kinda write up?
> 
> This thread was the closest I could get to a write-up: 
> https://openstack.nimeyo.com/21628/openstack-dev-neutron-lbaas-need-help-with-lbaas-drivers
>  
> .
> 
> I guess I could reverse engineering the HAProxy namespace driver but I am 
> probably going to miss some of the design elements. Any help/pointers/links 
> would be great.
> 
> thanks
> Sri
> 
> __
> OpenStack Development Mailing List (not for usage questions)
> Unsubscribe: openstack-dev-requ...@lists.openstack.org?subject:unsubscribe 
> 
> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev 
> 
> 
> 
> 
> 
> -- 
> Stephen Balukoff
> Principal Technologist
> Blue Box, An IBM Company
> www.blueboxcloud.com 
> sbaluk...@blueboxcloud.com 
> 206-607-0660 x807
> __
> OpenStack Development Mailing List (not for usage questions)
> Unsubscribe: openstack-dev-requ...@lists.openstack.org?subject:unsubscribe
> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev

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Re: [openstack-dev] custom lbaas driver

[Srikumar Chari]

Hello,

I am trying to write an custom lbaas v2.0 driver. Was wondering if there's
a document on how to go about that. I see a number of implementations as
part of the source code but they all seem to be different. For instance
HAProxy is completely different when compared to the other vendors. I am
assuming that HAProxy is the "standard" as it is the default load balancer
for OpenStack. Is there a design doc or some kinda write up?

This thread was the closest I could get to a write-up:
https://openstack.nimeyo.com/21628/openstack-dev-neutron-lbaas-need-help-with-lbaas-drivers
.

I guess I could reverse engineering the HAProxy namespace driver but I am
probably going to miss some of the design elements. Any help/pointers/links
would be great.

thanks
Sri
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