Hi Akila On Sun, Aug 16, 2015 at 11:32 AM, Akila Ravihansa Perera <raviha...@wso2.com > wrote:
> Hi Lasindu, > > I think your question is about using LB properties (IP, port, hostname) > inside the cartridge instance. We can pass those parameters in the > cartridge definition as payload parameters as a simple solution. We can > also publish those information in meta-data service as well. Publishing to > meta-data service will be more flexible since we can easily update those > values without having to redeploy cartridges etc. > > Yes, this seems to be the simplest solution. but is it OK to generate an access URL from Stratos, based on a custom parameter? IMO, it would be better to have a separate section for LB similar to 4.0.0? > Regarding Kubernetes scenario, we need to have an external LB which would > forward requests to all the upstream minion instances. Then use that > external LB within all pods (services can be differentiated through > different hsotnames) > > Yes, this seems to be the better approach. > This is just my suggestion. Perhaps there is a better way. > > Thanks. > > On Sun, Aug 16, 2015 at 8:05 AM, Lasindu Charith <lasi...@wso2.com> wrote: > >> Hi devs, >> >> Suppose I configured an external LB such as Nginx, HAproxy etc. Now I >> need to use it in my Stratos application. >> >> Previously in 4.0.0 there was a LB property in Cartridge definition[1 >> <https://cwiki.apache.org/confluence/display/STRATOS/4.0.0+Sample+Cartridge+Definition>], >> but seems like it's not there anymore in 4.1.0[2 >> <https://cwiki.apache.org/confluence/display/STRATOS/4.1.0+Cartridge+Resource+Definition>] >> or in [3 >> <https://github.com/apache/stratos/blob/master/components/org.apache.stratos.cloud.controller/src/main/java/org/apache/stratos/cloud/controller/domain/Cartridge.java> >> ]. >> >> "loadBalancer":{ >> "type":"lb", >> "property":{ >> "name":"default.load.balancer", >> "value":"true" >> } >> } >> >> Some product configurations needs LB ip/port and in UI too we should show >> the LB IP along with the proxy port as the Access URL. Is there a way to do >> this? >> >> In addition, if we are using kubernetes, one of the minion IPs can >> be(are) used as a load-balancer. In that case, how do we decide which IP to >> use? (say we have 3 minions and service can be accessed using any of the 3 >> minion IPs : kubernetes service port) >> >> >> [1] >> https://cwiki.apache.org/confluence/display/STRATOS/4.0.0+Sample+Cartridge+Definition >> [2] >> https://cwiki.apache.org/confluence/display/STRATOS/4.1.0+Cartridge+Resource+Definition >> [3] >> https://github.com/apache/stratos/blob/master/components/org.apache.stratos.cloud.controller/src/main/java/org/apache/stratos/cloud/controller/domain/Cartridge.java >> >> Thanks, >> -- >> *Lasindu Charith* >> Software Engineer, WSO2 Inc. >> Committer & PMC Member, Apache Stratos >> Mobile: +94714427192 | Web: blog.lasindu.com >> > > > > -- > Akila Ravihansa Perera > WSO2 Inc.; http://wso2.com/ > > Blog: http://ravihansa3000.blogspot.com > Thanks, -- *Lasindu Charith* Software Engineer, WSO2 Inc. Committer & PMC Member, Apache Stratos Mobile: +94714427192 | Web: blog.lasindu.com
