Hi Dinesh, Thanks for the reply.
As far as I understand puppet master will identify the node based on the cert name of the puppet agent. In the case of a generic base image, does puppet agent pass any additional parameters when communicating with the puppet master to request the node catalogue? Regards, Chamila de Alwis Software Engineer | WSO2 | +94772207163 Blog: code.chamiladealwis.com On Thu, Aug 14, 2014 at 5:11 PM, Dinesh Bandara <dine...@wso2.com> wrote: > Hi Chamila, > > Please find my comment inline. > > On Thu, Aug 14, 2014 at 4:40 PM, Chamila De Alwis <chami...@wso2.com> > wrote: > >> Hi, >> >> When creating a cartridge we set up the base image by specifying the >> stratos service name and installing the packages needed for that service >> using puppet. For example if we specify "php" as the service name PHP >> packages and its dependencies will be installed. >> > If we used "default" as service name it will install cartridge agent, java > and basic dependencies. So base cartridge is not bound to any service type. > it is a generic one. > > >> When a new instance is created from a PHP cartridge init.sh is run at the >> start. This also triggers the puppet agent. >> > Yes. > > >> What is the purpose of triggering puppet agent at instance start up? Is >> it only to find any manifest updates? >> > If use a generic cartridge image as "imageId" when deploying, puppet agent > will install required packages and dependencies. If use a service bound > cartridge image (PHP, MySQL, etc.), it will not update any packages or > dependencies but update the manifest updates as you mentioned such as ips > and ports of message broker and cep > > >> Regards, >> Chamila de Alwis >> Software Engineer | WSO2 | +94772207163 >> Blog: code.chamiladealwis.com >> >> >> > -- > *Dinesh Bandara* > Software Engineer > WSO2 Inc.; http://wso2.com > lean.enterprise.middleware > >
