Cluster Rabbitmq - VIP

[mcse test]

Hi everyone, I just joined the group.
I'm starting to "study and test" Rabbitmq with single node installations in test environments. Apparently without problems...
I would like to try a clustered configuration in quorum queue mode now, but I cannot find documentation or info on managing a (mandatory ???? ) Virtual IP that the senders or recipients of the messages will have to use.
Should the VIP be managed externally with a service such as keepalive or other solution?
Thanks in advance
bye.
Michael

[Michal Kuratczyk]

Hi,

It's not mandatory - most client libs support passing multiple endpoints and will connect to the first available (I guess some libs will randomly pick one, I'm not sure).

Anyway, you don't need a virtual IP. But if you want one, basically any TCP load balancer / proxy can be used for that purpose.

Best,

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Michał

RabbitMQ team

[Mcse Operations]

Hi, thanks for reply and  explanation !have a good day. bye

Michael

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[Mcse Operations]

Sorry, but there are some tutorial or best practices document\info to configure haproxy load balancer  for rabbitmq use?

Or configuration is a simple TCP connection balancing?

thanks

[Michal Kuratczyk]

Hi,

It's a long-lived TCP connection.

Best,

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Michał

RabbitMQ team

[Mcse Operations]

Hi, thx. 

I am using haproxy with various http, https and many tcp protocols. For tcp connections I am using these configurations which work regularly with many services:

frontend rabbit_test

    bind 192.168.0.1:5672

    mode tcp

    default_backend rabbit_servers

backend rabbit_servers

    balance roundrobin

    mode tcp

    s1 server 192.168.0.2:5672

    s2 server 192.168.0.3:5672

    s3 server 192.168.0.4:5672

but it doesn't work with rabbitmq.

TCP port 5672 is open but no packets are forwarded to nodes belonging to the backend. Should any particular configuration be set?

Thx . Michael





[Host Cache]

can you run the tool of package capture for analyzing this?

Thanks

[Mcse Operations]

Yes, I analyzed the traffic with both iptraf and with

 tcpdump but using the haproxy's VIP (bonding IP) I don't get any connection on ports 5672

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