[GitHub] wido opened a new issue #2872: Improve ConfigDrive to store network information

[GitBox <gi...@apache.org>]

wido opened a new issue #2872: Improve ConfigDrive to store network information
URL: https://github.com/apache/cloudstack/issues/2872
 
 
   ConfigDrive / cloud-init supports a *network_data.json* file which can contain network information for a VM.
   
   By providing  the network information using ConfigDrive to a VM we can eliminate the need for DHCP and thus the Virtual Router in some use-cases.
   
   An example JSON file:
   
   <pre>
   {
       "links": [
           {
               "ethernet_mac_address": "52:54:00:0d:bf:93",
               "id": "eth0",
               "mtu": 1500,
               "type": "phy"
           }
       ],
       "networks": [
           {
               "id": "eth0",
               "ip_address": "192.168.200.200",
               "link": "eth0",
               "netmask": "255.255.255.0",
               "network_id": "dacd568d-5be6-4786-91fe-750c374b78b4",
               "routes": [
                   {
                       "gateway": "192.168.200.1",
                       "netmask": "0.0.0.0",
                       "network": "0.0.0.0"
                   }
               ],
               "type": "ipv4"
           },
           {
               "id": "eth0",
               "ip_address": "2001:db8:100::1337",
               "link": "eth0",
               "netmask": "64",
               "network_id": "dacd568d-5be6-4786-91fe-750c374b78b4",
               "routes": [
                   {
                       "gateway": "2001:db8:100::1",
                       "netmask": "0",
                       "network": "::"
                   }
               ],
               "type": "ipv6"
           }
       ],
       "services": [
           {
               "address": "8.8.8.8",
               "type": "dns"
           }
       ]
   }
   </pre>
   
   In Basic Networking and Advanced Networking zones which are using a shared network you wouldn't require a VR anymore.

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