Prune old indices from Elastiflow

prune-indces.py

#!/usr/bin/python3
import datetime
import re
import requests
import urllib

MAX_AGE_DAYS = 30
HOST = 'http://localhost:5601'

ir = requests.get(urllib.parse.urljoin(HOST, '/api/index_management/indices'))
to_delete = []
for index in ir.json():
    m = re.match(r'elastiflow-flow-codex.*([0-9]{4})\.([0-9]{2})\.([0-9]{2})', index['name'])
    if m is None:
        continue
    date = datetime.date(int(m.group(1)), int(m.group(2)), int(m.group(3)))
    if datetime.date.today() - date > datetime.timedelta(days=MAX_AGE_DAYS):
        to_delete.append(index['name'])

if to_delete:
    resp = requests.post(
            urllib.parse.urljoin(HOST, '/api/index_management/indices/delete'),
            json={"indices":to_delete},
            headers={'kbn-xsrf': 'batch'})
    if resp.status_code != 200:
        print(resp.text)