Assign a DigitalOcean Floating IP to a Droplet
#!/usr/bin/python | |
import os | |
import sys | |
import requests | |
import json | |
api_base = 'https://api.digitalocean.com/v2' | |
def usage(): | |
print('{0} [Floating IP] [Droplet ID]'.format(sys.argv[0])) | |
print('\nYour DigitialOcean API token must be in the "DO_TOKEN"' | |
' environmental variable.') | |
def main(floating_ip, droplet_id): | |
payload = {'type': 'assign', 'droplet_id': droplet_id} | |
headers = {'Authorization': 'Bearer {0}'.format(os.environ['DO_TOKEN']), | |
'Content-type': 'application/json'} | |
url = api_base + "/floating_ips/{0}/actions".format(floating_ip) | |
r = requests.post(url, headers=headers, data=json.dumps(payload)) | |
resp = r.json() | |
if 'message' in resp: | |
print('{0}: {1}'.format(resp['id'], resp['message'])) | |
sys.exit(1) | |
else: | |
print('Moving IP address: {0}'.format(resp['action']['status'])) | |
if __name__ == "__main__": | |
if 'DO_TOKEN' not in os.environ or not len(sys.argv) > 2: | |
usage() | |
sys.exit() | |
main(sys.argv[1], sys.argv[2]) |
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You can install the requests module with |
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Thank you |
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Don't suppose you know of any docker image (keepalived, corosync and pacemaker, heartbeat) that has been setup to work with digital ocean floating ip re-assignment? Working with a stack in docker cloud that needs a HA setup. |
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If you do not want to install Python, see the Bash version of the script below (requires curl instead, though): #!/usr/bin/env bash
API_BASE="https://api.digitalocean.com/v2"
if [[ -z "${DO_TOKEN}" ]] || [[ $# != 2 ]]; then
echo "Usage: $0 <Floating IP> <Droplet ID>"
echo "Your DigitalOcean API token must be in the \"DO_TOKEN\" environmental variable."
exit 1
fi
curl -X POST -H "Content-Type: application/json" -H "Authorization: Bearer ${DO_TOKEN}" -d "{\"type\":\"assign\",\"droplet_id\":$2}" "${API_BASE}/floating_ips/$1/actions" |
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I am using this script as referenced in the DO link (https://www.digitalocean.com/community/tutorials/how-to-create-a-high-availability-setup-with-corosync-pacemaker-and-floating-ips-on-ubuntu-14-04) for setting up failover using newer Ubuntu-16. I tried running the script alone and it fails on not understanding the "requests" module.
Basically, when I shutdown my primary server, I can see in crm_mon pointing to secondary but floating ip reassignment is not working.