On Mon, Aug 14, 2017 at 3:20 AM, Per Carlson <[email protected]> wrote:
> Hi. > > On 12 August 2017 at 18:39, Avesh Agarwal <[email protected]> wrote: > >> >> >> On Sat, Aug 12, 2017 at 11:59 AM, Avesh Agarwal <[email protected]> >> wrote: >> >>> >>> >>> On Fri, Aug 11, 2017 at 2:28 AM, Per Carlson <[email protected]> wrote: >>> >>>> Hi. >>>> >>>> We are in the process of rebuilding a cluster with a new topology, and >>>> I'm trying to fit the node labels to a scheduler policy, and would like to >>>> base the policy on the default one. >>>> >>>> I've searched both the openshift/origin and and >>>> openshift/openshift-ansible repos on GitHub without finding any traces of >>>> what the default scheduler policy looks like. I can list it in a 3.5 >>>> cluster, but has things changed in 3.6? (after all, there are some new >>>> knobs in 3.6). >>>> >>> >>> The scheduler default policy in 3.6 is not very different from 3.5. >>> There is one new pedicate MaxAzureDiskVolumeCount in 3.6. So you could just >>> reuse 3.5 default policy for 3.6 by adding this new predicate to the >>> default list. >>> >> > OK. > > >> Throws in a related second question too: Is there any simple way to pass >>>> a custom scheduler to the playbook (byo/openshift-cluster/config.yml) >>>> at install time? >>>> >>>> If by custom scheduler you mean custom policy + default scheduler then >> you could just pass your custom policy path to >> >> PolicyConfigFile argument in >> >> openshift_master_scheduler_args at install time i think. >> > > Yes, that's what I meant (should have written "tailored scheduler > policy"). Do you have a reference to any sort of documentation/code about > the "PolicyConfigFile" argument and "openshift_master_sheduler_args" > variable? > > I can not find exact references but it seems there are a couple ways to do this: openshift_master_scheduler_conf=<path-to-file> Or openshift_master_scheduler_args={'policy-config-file': ['<path-to-file>']} You might have to tweak the above options a bit, as I have not verified these. Thanks Avesh
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