utils/usergrid-util-python/es_tools/alias_mover.py

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import json
import requests

__author__ = 'Jeff.West@yahoo.com'

cluster = 'cluster-1'

work = {
    'remove': {
        'app-id-1': 'from-index',
        'app-id-2': 'from-index'
    },
    'add': {
        'app-id-1': 'to-index',
        'app-id-2': 'to-index'
    }
}

actions = []

for app_id, index in work.get('remove', {}).iteritems():
    actions.append({
        "remove": {
            "index": index,
            "alias": "%s_%s_read_alias" % (cluster, app_id)
        },
    })
    actions.append({
        "remove": {
            "index": index,
            "alias": "%s_%s_write_alias" % (cluster, app_id)
        },
    })

for app_id, index in work['add'].iteritems():
    actions.append({
        "add": {
            "index": index,
            "alias": "%s_%s_read_alias" % (cluster, app_id)
        },
    })
    actions.append({
        "add": {
            "index": index,
            "alias": "%s_%s_write_alias" % (cluster, app_id)
        },
    })

url = 'http://localhost:9200/_aliases'

r = requests.post(url, data=json.dumps({'actions': actions}))

print '%s: %s' % (r.status_code, r.text)