On Tue, Mar 27, 2018 at 11:54 AM, Walters, Todd <[email protected]> wrote:
> I have several questions about service catalog that I’m trying to work > through. I’ve upgraded from 3.6 to 3.7 using the 3.7 upgrade playbook. > This has worked well. > I then am able to finally successfully run the service-catalog playbook > with TSB and ASB. I have had some issues with the install, primarily the > api-server pod not starting because of problems with the > extension-apiserver-authentication configmap and not getting the right ca > file. > These installer issues have been fixed and to the best of my knowledge released now. > I’ve got this to work now but in my testing I have noticed some changes. > For example, should the service-catalog deployment use daemonsets or > deployment configs? If I create with the playbook, from 3.7 it creates > daemonsets for the kube-service-catalog project for controller manager and > api server. If I manually create the namespace and process the > service-catalog ‘template’ from git hub, it creates deployment configs. > Which is correct? Most docs I see say edit the dc when talking about > service-catalog. > I assume by processing the template from github, you're referring to this template? https://github.com/openshift/origin/blob/ce742c8267add01a63cbdc6402c9287978ce9024/examples/service-catalog/service-catalog.yaml The ansible installer is for production deployments, while the above template is used for a developer environment. The usage of a DaemonSet for catalog running in production is intentional. The main difference between the two is that daemon sets ensure pods are running per node (based on label selector) versus deploymentconfigs which are concerned with the pod count. These links should help explain further: https://kubernetes.io/docs/concepts/workloads/controllers/daemonset/#what-is-a-daemonset https://docs.openshift.org/latest/architecture/core_concepts/deployments.html#deployments-and-deployment-configurations https://kubernetes.io/docs/concepts/workloads/controllers/replicationcontroller/
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