This page (revision-37) was last changed on 23-Apr-2022 17:06 by Harry Metske

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Page References

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Apache Brooklyn...nobody
Apache Brooklyn

Version management

Difference between version and

At line 257 added 46 lines
That is rather easy:
%%prettify
{{{
- type: brooklyn.entity.webapp.ControlledDynamicWebAppCluster
name: MyTC8Cluster
initialSize: 1
location: GoogleEU
brooklyn.config:
memberSpec:
$brooklyn:entitySpec:
type: brooklyn.entity.webapp.tomcat.Tomcat8Server
install.version: 8.0.26
http.port: 8001
java.sysprops:
file.encoding: UTF-8
.....
}}}
%%
! Run in multiple docker containers on multiple hosts.
The problem with Docker containers is that you can run dozens of them on a docker host, but they are all behind one IP address, you have to do portmappings to get to a specific port in your container, and you get port conflicts if you want to access different containers on the same host on the same port.\\
In that case you would need multiple IP addresses.
Especially brooklyn expects hosts on the same location to be on a unique IP (you cannot define multiple hosts with the same IP but different ports).
That's why I want to see if the following setup works:
* run multiple containers on multiple docker hosts.
* each container is ssh-reachable on a unique host:port (host1:2201,host1:2202,host2:2201,host2:2202).
* each container on one host has unique docker port mappings for each port required for brooklyn (5000,6000,8000,more...)
* only the ssh port is mapped differently for each container
Probably unclear what I say here, so a concrete example setup :
[docker-brooklyn.png]
The containers have to be started (on each docker host) as follows :
{{{
docker run -d --publish 2201:22 --publish 5001:5001 --publish 6001:6001 --publish 8001:8001 --hostname node01 --name node01 brooklyn-node
docker run -d --publish 2202:22 --publish 5002:5002 --publish 6002:6002 --publish 8002:8002 --hostname node02 --name node02 brooklyn-node
docker run -d --publish 2203:22 --publish 5003:5003 --publish 6003:6003 --publish 8003:8003 --hostname node03 --name node03 brooklyn-node
}}}
This page (revision-37) was last changed on 23-Apr-2022 17:06 by Harry MetskeTop