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.. _datasource_zstack:
ZStack
******
ZStack platform provides an AWS EC2 instance metadata service, but with
different datasource identity. More information about ZStack can be found at
`ZStack`_.
Discovery
=========
To determine whether a VM is running on the ZStack platform, ``cloud-init``
checks DMI information via ``dmidecode -s chassis-asset-tag``. If the output
ends with ``.zstack.io``, it's running on the ZStack platform.
Instance Metadata Service
-------------------------
The same way as with EC2, instance-data can be queried at: ::
GET http://169.254.169.254/2009-04-04/meta-data/
instance-id
local-hostname
User-data
---------
The same way as with EC2, instance user-data can be queried at: ::
GET http://169.254.169.254/2009-04-04/user-data/
meta_data.json
user_data
password
.. _ZStack: https://www.zstack.io
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