Created
March 29, 2019 09:49
-
-
Save markuskont/734a9ec946bf40801494f14b368a0668 to your computer and use it in GitHub Desktop.
Periodic python script for managing moloch indices in elasticsearch hot-cold setup.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| #!/usr/bin/env python | |
| from elasticsearch import Elasticsearch | |
| import sys | |
| import argparse | |
| if __name__ == "__main__": | |
| parser = argparse.ArgumentParser() | |
| parser.add_argument("--conn", | |
| dest="connection", | |
| default="localhost:9200", | |
| help="elasticsearch proxy") | |
| parser.add_argument("--cold-replicas", | |
| dest="coldReplicas", | |
| default=0, | |
| help="Replica count for indices on cold nodes") | |
| parser.add_argument("--shards", | |
| dest="shards", | |
| default=1, | |
| help="Shard count for all new indices") | |
| args = parser.parse_args() | |
| connection = args.connection | |
| coldReplicas = args.coldReplicas | |
| shardCount = args.shards | |
| name = "sessions2_template" | |
| replicas = 0 | |
| hours = 3 | |
| pattern = "sessions2" | |
| coldnode = "cold" | |
| es = Elasticsearch(hosts=[connection]) | |
| if not es.ping(): | |
| print("No connection to elastic") | |
| sys.exit(1) | |
| tpl = es.indices.get_template(name) | |
| tpl[name]["settings"]["index"]["number_of_shards"] = shardCount | |
| tpl[name]["settings"]["index"]["routing"]["allocation"]["require"] = {} | |
| tpl[name]["settings"]["index"]["routing"]["allocation"]["require"]["box_type"] = "hot" | |
| es.indices.put_template(name, body=tpl[name]) | |
| indices = es.cat.indices(format="json") | |
| indices = [i["index"] for i in indices if pattern in i["index"]] | |
| indices = sorted(indices) | |
| if len(indices) < hours: | |
| print("not enough indices to reconfigure") | |
| sys.exit(1) | |
| indices = indices[:len(indices)-hours] | |
| for i in indices: | |
| resp = es.indices.put_settings( | |
| { | |
| "index": { | |
| "routing.allocation.require.box_type": "cold" | |
| } | |
| }, i) | |
| print("Cold routing: {}:{}".format(i, resp)) | |
| shards = es.cat.shards(format="json") | |
| shards = [s for s in shards if pattern in s["index"]] | |
| shards = [s for s in shards if s["state"] != "UNASSIGNED" and coldnode in s["node"] and s["state"] == "STARTED"] | |
| sys.exit(1) | |
| ok = {s["index"]: 0 for s in shards} | |
| for s in shards: ok[s["index"]] += 1 | |
| for k, v in ok.items(): | |
| resp = es.indices.put_settings( | |
| { | |
| "index": { | |
| "number_of_replicas": coldReplicas | |
| } | |
| }, k) | |
| print("Cold replica: {}:{}".format(i, resp)) |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment