infra-utils/elasticsearch/peer_id.py

96 lines
3.2 KiB
Python
Executable File

#!/usr/bin/env python3
import os
import json
from optparse import OptionParser
from elasticsearch import Elasticsearch
HELP_DESCRIPTION='This is a simple utility extracting a peer_id field for existing logs.'
HELP_EXAMPLE='Example: ./peer_id.py -s 2018-10-01 --update'
PAINLESS_SCRIPT = """
if (ctx._source.peer_id == null) {
def match = /peerID=(\w+)/.matcher(ctx._source.message);
if (match.find()) {
ctx._source.peer_id = match.group(1);
}
}
"""
def parse_opts():
parser = OptionParser(description=HELP_DESCRIPTION, epilog=HELP_EXAMPLE)
parser.add_option('-H', '--host', dest='es_host', default='localhost',
help='ElasticSearch host.')
parser.add_option('-P', '--port', dest='es_port', default=9200,
help='ElasticSearch port.')
parser.add_option('-i', '--index-pattern', default='logstash-*',
help='Patter for matching indices.')
parser.add_option('-p', '--program', default='docker',
help='Program to query for.')
parser.add_option('-m', '--message', default='peerId',
help='Message to query for.')
parser.add_option('-f', '--fleet',
help='Fleet to query for.')
parser.add_option('-u', '--update', action='store_true',
help='Update matching documents.')
parser.add_option('-q', '--query', action='store_true',
help='Only query, don\'t update.')
return parser.parse_args()
def print_logs(docs):
for doc in docs:
log = doc['_source']
print('{:26} {:21} {:38} {}'.format(
log['@timestamp'], log['program'],
log['logsource'], log['message'][:90]
))
def main():
(opts, args) = parse_opts()
es = Elasticsearch(
[{ 'host': opts.es_host,
'port': opts.es_port }],
timeout=1200,
retry_on_timeout=True
)
print('Cluster: {}'.format(es.info().get('cluster_name')))
indices = es.indices.get(index=opts.index_pattern).keys()
queries = []
if opts.program:
queries.append({'term': {'program': opts.program}})
if opts.fleet:
queries.append({'term': {'fleet': opts.fleet}})
if opts.message:
queries.append({'match_phrase':{'message': opts.message}})
body = {'query': {'bool': {}}}
if len(queries) > 0:
body = {'query': {'bool': {'must': queries}}}
# don't match docs that already have peer_id field
body['query']['bool']['must_not'] = { 'exists': { 'field': 'peer_id' } }
for index in indices:
resp = es.count(index=index, body=body)
count = resp.get('count')
print('{:22} count: {:6}'.format(index, count))
if opts.query > 0:
resp = es.search(index=index, body=body)
#print_logs(resp['hits']['hits'])
elif opts.update and count > 0:
# add the script for extracting peer_id
body['script'] = { 'lang': 'painless', 'inline': PAINLESS_SCRIPT }
try:
rval = es.update_by_query(index=index, body=body)
except Exception as ex:
print(json.dumps(ex.info, indent=2))
print('{:22} Updated: {:10} Failed: {}'.format(index, rval['updated'], rval.get('failed', 0)))
if __name__ == '__main__':
main()