[nova][metadata] EC2 compatible metadata deprecation

Matt Riedemann mriedemos at gmail.com
Tue Dec 17 18:59:37 UTC 2019

On 12/17/2019 12:14 PM, Mikhail Fedosin wrote:
> Currently network_data.json doesn't contain ip addresses:
> $ cat openstack/latest/network_data.json
> {"services": [], "networks": [{"network_id": 
> "39376584-af8a-4307-8cc3-dbf3474f0d52", "link": "tapde154f64-0c", 
> "type": "ipv4_dhcp", "id": "network0"}], "links": 
> [{"ethernet_mac_address": "fa:16:3e:9b:55:1d", "mtu": 1450, "type": 
> "ovs", "id": "tapde154f64-0c", "vif_id": 
> "de154f64-0cb3-4c71-b449-f3f67646eb2f"}]}

This seems to be something in the setup of the network(s) attached to 
the server.

Looking at the code that builds the network_data.json payload, it's 
returning here for you [1]. But if you look further down the network 
info dict would contain an IP address [2]. Maybe this is a limitation of 
the subnet that is chosen if there are multiple per network [3]. I want 
to say I've seen a bug about that recently but can't track it down.





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