rancher: creating vsphere cluster errors on all nodes with Error in driver during machine creation: yaml: unmarshal errors

What kind of request is this (question/bug/enhancement/feature request): Bug

Steps to reproduce (least amount of steps as possible):

• Create fresh rancher HA installation across 3 nodes, deploy 2.3.3
• Add vsphere credential
• Add vsphere node templates, selecting options, add cloud-config
• Create cluster using node templates using rancheros from boot2docker

Result:

• All nodes fail to create with unmarshal error 2019/11/28 17:22:33 [INFO] Creating jail for c-xp2gr 2019/11/28 17:22:33 [INFO] Generating and uploading node config 2019/11/28 17:22:34 [INFO] [node-controller-docker-machine] The default lines below are for a sh/bash shell, you can specify the shell you’re using, with the --shell flag. 2019/11/28 17:22:34 [INFO] [node-controller-docker-machine] 2019/11/28 17:22:34 [INFO] Generating and uploading node config evovsphere-wrkr-a-1 2019/11/28 17:22:34 [ERROR] NodeController c-xp2gr/m-wnjxh [node-controller] failed with : Error creating machine: Error in driver during machine creation: yaml: unmarshal errors: 2019/11/28 17:24:20 [INFO] Removing node evovsphere-wrkr-b-1

Other details that may be helpful:

Environment information

• Rancher version (rancher/rancher/rancher/server image tag or shown bottom left in the UI): 2.3.3
• Installation option (single install/HA): HA

Cluster information

• Cluster type (Hosted/Infrastructure Provider/Custom/Imported): hosted vsphere

• Machine type (cloud/VM/metal) and specifications (CPU/memory): vsphere

• Kubernetes version (use kubectl version): 1.15.4-rancher1-2

• Docker version (use docker version): 19.03