Document how to run openstack-cloud-controller-manager with hack/local-up-cluster.sh

[dims]

From @dims on January 19, 2018 2:21

There is support for EXTERNAL_CLOUD_PROVIDER=true when you also add CLOUD_PROVIDER and CLOUD_CONFIG for local-up-cluster.sh, we should document how one can easily build a test/dev environment using local-up-cluster.sh

Copied from original issue: dims/openstack-cloud-controller-manager#34

[dims]

please see:

• Use backup location to load cloud config for OpenStack kubernetes#58549
• fix provider-id bad param in local-up-cluster kubernetes#58543

[dims]

oh, the local-up-cluster should be running inside a VM started by OpenStack (to be able to pick up the metadata from either the config drive or the metadata service)

[dims]

see kubernetes/kubernetes#59280

[dims]

with latest k/k master, set the following env vars and then run sudo -E PATH=$PATH ./hack/local-up-cluster.sh (PATH should have etcd binaries)

export EXTERNAL_CLOUD_PROVIDER_BINARY=/home/dims/go/src/git.openstack.org/openstack/openstack-cloud-controller-manager/openstack-cloud-controller-manager
export EXTERNAL_CLOUD_PROVIDER=true
export CLOUD_PROVIDER=openstack
export CLOUD_CONFIG=/etc/kubernetes/cloud-config

[dims]

@hogepodge can you please try this out?

[hogepodge]

Checking it out today.

[hogepodge]

I'm able to start up a localcluster on Centos with the directions provided. I don't need to use sudo since I have docker enabled for my user, and after the latest updates in place I've changed the location of the cloud provider binary. I'll write up my notes into a gist.

[hogepodge]

@dims #67

[dims]

There's a bunch more stuff we need to line up for this to work - https://github.com/theopenlab/openlab-zuul-jobs/blob/master/playbooks/cloud-provider-openstack-acceptance-test-e2e-conformance/run.yaml#L75

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