Remove a Rackspace Cloud Network from a Cloud Server

remove_network_from_server.sh

# SEE: http://docs.rackspace.com/networks/api/v2/cn-devguide/content/delete_virt_interface_api.html

USERNAME=<REDACTED> # This is your Rackspace account's username
API_KEY=<REDACTED> # This is your Rackspace account's API Key
ACCOUNT=<REDACTED> # This is your Rackspace account number
REGION=dfw  # Or, "iad", "ord", "lon", "syd", "hkg"

# Authenticate to obtain your 24-hour valid token:
TOKEN=`curl -s -XPOST https://identity.api.rackspacecloud.com/v2.0/tokens -d'{"auth":{"RAX-KSKEY:apiKeyCredentials":{"username":"'$USERNAME'","apiKey":"'$API_KEY'"}}}' -H"Content-type:application/json" | python -c 'import sys,json;data=json.loads(sys.stdin.read());print data["access"]["token"]["id"]'`

# First list out the networks attached to your Cloud Server:
INSTANCE_ID=aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee # Your Cloud Server's ID
curl -X GET https://$REGION.servers.api.rackspacecloud.com/v2/$ACCOUNT/servers/$INSTANCE_ID/os-virtual-interfacesv2 \
    -H "X-Auth-Project-Id: $ACCOUNT" \
    -H "Content-Type: application/json" \
    -H "Accept: application/json" \
    -H "X-Auth-Token: $TOKEN" | python -m json.tool

# Grab the interface ID (_not_ the network ID) and use it to remove the Cloud Network from the Cloud Server:
INTERFACE_ID=aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee
curl -X DELETE https://$REGION.servers.api.rackspacecloud.com/v2/$ACCOUNT/servers/$INSTANCE_ID/os-virtual-interfacesv2/$INTERFACE_ID \
    -H "X-Auth-Project-Id: $ACCOUNT" \
    -H "Content-Type: application/json" \
    -H "X-Auth-Token: $TOKEN"