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feat(k8s): adding elastic backup job (#343)
* adding elastic backup job * Update k8s/elastic-backup/BUILD.bazel Fixing suggestion Co-authored-by: Luka Skugor <[email protected]> --------- Co-authored-by: Luka Skugor <[email protected]>
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load("@python_deps//:requirements.bzl", "requirement") | ||
load("@rules_python//python:defs.bzl", "py_binary") | ||
load("@//k8s:oci_images.bzl", "python_oci_image_rules") | ||
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py_binary( | ||
name = "elastic-backup", | ||
srcs = ["elastic-backup.py"], | ||
deps = [ | ||
requirement("requests"), | ||
], | ||
) | ||
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python_oci_image_rules( | ||
name = "oci_image", | ||
src = ":elastic-backup", | ||
base_image = "@python3" | ||
) |
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import argparse | ||
import json | ||
import logging | ||
import sys | ||
from datetime import datetime | ||
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import requests | ||
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def parse(): | ||
parser = argparse.ArgumentParser(description="Script to take snapshots of a certain index") | ||
parser.add_argument("elastic_url", help="Elasticsearch url, i.e. https://localhost:9200") | ||
parser.add_argument("--index-pattern", help="Index patterns to search for", dest="index_pattern", action="append") | ||
parser.add_argument("repository", help="Repository for storing snapshots") | ||
parser.add_argument("bucket", help="Bucket used for storing snapshots") | ||
parser.add_argument("endpoint", help="Endpoint used for storing snapshots") | ||
parser.add_argument( | ||
"--base-path", | ||
help="Optional basepath if the snapshot should be stored in a subfolder in bucket", | ||
default="", | ||
dest="base_path", | ||
) | ||
parser.add_argument("region", help="Region in which the bucket is located") | ||
return parser.parse_args() | ||
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def get_logger(): | ||
FORMAT = "[%(asctime)s] %(levelname)-8s %(message)s" | ||
logging.basicConfig(format=FORMAT, level=logging.INFO) | ||
return logging.getLogger("backup") | ||
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def main(): | ||
logger = get_logger() | ||
args = parse() | ||
logger.info("Running with following configs: \n%s", args) | ||
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if len(args.index_pattern) == 0: | ||
logger.error("No indices specified. Specify at least 1") | ||
sys.exit(1) | ||
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response = requests.get("{elastic}/_snapshot".format(elastic=args.elastic_url)) | ||
if response.status_code != 200: | ||
logger.error("Couldn't list snapshots due to: %s", response.text) | ||
sys.exit(1) | ||
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snapshots = dict(response.json()) | ||
logger.info("Found following snapshots: %s", snapshots.keys()) | ||
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if args.repository not in snapshots.keys(): | ||
logger.info("Didn't find snapshot repository for '%s'. Creating...", args.repository) | ||
response = requests.put( | ||
"{elastic}/_snapshot/{repo}".format(elastic=args.elastic_url, repo=args.repository), | ||
json={ | ||
"type": "s3", | ||
"settings": { | ||
"bucket": args.bucket, | ||
"endpoint": args.endpoint, | ||
"region": args.region, | ||
"base_path": args.base_path, | ||
}, | ||
}, | ||
) | ||
if response.status_code != 200: | ||
logger.error("Couldn't create snapshot repository due to: %s", response.text) | ||
sys.exit(1) | ||
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logger.info("Successfully created snapshot repository") | ||
else: | ||
logger.info("Snapshot repository already present") | ||
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snapshot_name = datetime.now().strftime("snapshot_%Y%m%d_%H%M%S") | ||
logger.info("Proceeding with creating snapshot: %s", snapshot_name) | ||
indices = ",".join(args.index_pattern) | ||
logger.info("Will include indices: %s", indices) | ||
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response = requests.put( | ||
"{elastic}/_snapshot/{repo}/{name}?wait_for_completion=true".format( | ||
elastic=args.elastic_url, repo=args.repository, name=snapshot_name | ||
), | ||
json={"indices": indices}, | ||
headers={"Content-Type": "application/json"}, | ||
) | ||
if response.status_code != 200: | ||
logger.error("Couldn't create snapshot due to: \n%s", json.dumps(response.json(), indent=2)) | ||
sys.exit(1) | ||
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logger.info("Successfully created snapshot") | ||
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if __name__ == "__main__": | ||
main() |
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