* vendor: update go-discover Pull in providers: * Aliyun (Alibaba Cloud) * Digital Ocean * OpenStack (os) * Scaleway * doc: use ... instead of xxx * doc: strip trailing whitespace * doc: add docs for aliyun, digitalocean, os and scaleway * agent: fix test
Closes #3351
Replace the provider specific node discovery code with go-discover to support AWS, Azure and GCE. Fixes #3282