Creates the environment variables source files necessary to bootstrap an etcd node as part of an AWS ASG. Written files are designed to be used with coreos units.
When running this container, you should attach the local sysconfig volume:
PROXY_ASG - If specified forces into proxy=on and uses the vaue of PROXY_ASG as the autocaling group that contains the master servers
ASG_BY_TAG - If specified in conjunction with PROXY_ASG uses the value of PROXY_ASG to look up the server by the Tag Name
ETCD_CLIENT_SCHEME - defaults to http
ETCD_PEER_SCHEME - defaults to http
BACKUP_BUCKET - no default, skips tasks related to s3 without it.
Source Repo: https://github.com/redapt/etcd-aws-cluster
This was forked from monsantoco, with additions to support restoring from backup bucket, as part of the pre-staging of etcd.