Phone home: post data to remote host

For a full list of keys, refer to the Phone Home module schema.

Example 1

1## template: jinja
2#cloud-config
3phone_home: {post: all, url: 'http://example.com/{{ v1.instance_id }}/'}

Example 2

1## template: jinja
2#cloud-config
3phone_home:
4  post: [pub_key_rsa, pub_key_ecdsa, pub_key_ed25519, instance_id, hostname, fqdn]
5  tries: 5
6  url: http://example.com/{{ v1.instance_id }}/