Re: [FBR] Make RabbitMQ cluster publicly available via proxies

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On 3/6/19 12:25 PM, Patrick Uiterwijk wrote:
> Hi all,
> 
> Could I get +1s for the below patch?

+1, but do we need also:

* some rabbitmq config to add a vhost that doesn't require a user/cert
for ro access?

and

* RHIT ticket to open those ports on proxy01/10?

kevin
--
> 
> Thanks,
> Patrick
> 
> 
> 
> From 46dc8281edb9b874075525b1756ed0cfa0f91575 Mon Sep 17 00:00:00 2001
> From: Patrick Uiterwijk <patrick@xxxxxxxxxxxxxx>
> Date: Wed, 6 Mar 2019 21:11:12 +0100
> Subject: [PATCH] Add rabbitmq proxying to the proxies
> 
> Signed-off-by: Patrick Uiterwijk <patrick@xxxxxxxxxxxxxx>
> ---
>  inventory/group_vars/proxies        |  5 +++++
>  inventory/group_vars/proxies-stg    |  5 +++++
>  roles/haproxy/templates/haproxy.cfg | 28 ++++++++++++++++++++++++++++
>  3 files changed, 38 insertions(+)
> 
> diff --git a/inventory/group_vars/proxies b/inventory/group_vars/proxies
> index 4b97c2ae3..8901de118 100644
> --- a/inventory/group_vars/proxies
> +++ b/inventory/group_vars/proxies
> @@ -17,6 +17,11 @@ tcp_ports: [
>      # This is for TCP krb5
>      1088,
>  
> +    # This is for RabbitMQ public access
> +    5671,
> +    # This is for RabbitMQ internal-public access
> +    15671,
> +
>      # This is for the haproxy HTML stats page
>      # TODO -- there's no need for this to be wide open to the world.  With this
>      # in place, you can visit https://apps.fedoraproject.org:8080 and get the
> diff --git a/inventory/group_vars/proxies-stg b/inventory/group_vars/proxies-stg
> index 7aeb745e7..f5590beff 100644
> --- a/inventory/group_vars/proxies-stg
> +++ b/inventory/group_vars/proxies-stg
> @@ -17,6 +17,11 @@ tcp_ports: [
>      # This is for TCP krb5
>      1088,
>  
> +    # This is for RabbitMQ public access
> +    5671,
> +    # This is for RabbitMQ internal-public access
> +    15671,
> +
>      # This is for the haproxy HTML stats page
>      # TODO -- there's no need for this to be wide open to the world.  With this
>      # in place, you can visit https://apps.fedoraproject.org:8080 and get the
> diff --git a/roles/haproxy/templates/haproxy.cfg b/roles/haproxy/templates/haproxy.cfg
> index 29bb567b7..0b4835fcd 100644
> --- a/roles/haproxy/templates/haproxy.cfg
> +++ b/roles/haproxy/templates/haproxy.cfg
> @@ -565,6 +565,34 @@ backend copr-backend
>      option  httpchk GET /api_3/
>  {% endif %}
>  
> +{% if datacenter == "phx2" %}
> +# These ports are for proxying rabbitmq (AMQP) protocol through.
> +# At this moment, internal- and public-rabbitmq both point to the exact same set of
> +#  brokers on the backend, but the internal- is intended for applications we directly control.
> +# This allows us to move to a separate cluster for public access if that became necessary
> +#  on just the infra side, with no need to ask users to change anything.
> +frontend internal-rabbitmq
> +    mode tcp
> +    bind 0.0.0.0:15671
> +    default_backend rabbitmq
> +
> +frontend public-rabbitmq
> +    mode tcp
> +    bind 0.0.0.0:5671
> +    default_backend rabbitmq
> +
> +backend rabbitmq
> +    mode tcp
> +    option tcplog
> +    balance roundrobin
> +    maxconn 16384
> +    server rabbitmq01 rabbitmq01:5671 weight 1 maxconn 16384
> +{% if env == "production %}
> +    server rabbitmq02 rabbitmq02:5671 weight 1 maxconn 16384
> +    server rabbitmq03 rabbitmq03:5671 weight 1 maxconn 16384
> +{% endif %}
> +{% endif %}
> +
>  # Apache doesn't handle the initial connection here like the other proxy
>  # entries.  This proxy also doesn't use the http mode like the others.
>  # stunnel should be sitting on port 9939 (public) and redirecting
> 


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