diff --git a/README.md b/README.md index dc11297..8798f86 100644 --- a/README.md +++ b/README.md @@ -13,28 +13,37 @@ python ingest_XXXX.py [options] ``` **Note:** The `` can be a file or a directory of files, depending on the ingestion script. -###### Options -| Argument | Description | -| --------------- | -------------------------------------------------------------------------------------------- | -| `--dry-run` | Perform a dry run without indexing records to Elasticsearch. | -| `--batch_size` | Number of records to index in a batch *(default 25,000)*. | +### +###### General arguments +| Argument | Description | +|-------------------|----------------------------------------------------------------| +| `input_path` | Path to the input file or directory | +| `--dry-run` | Dry run *(do not index records to Elasticsearch)* | +| `--watch` | Watch the input file for new lines and index them in real time | -###### Elasticsearch Connnection Options -| Argument | Description | -| --------------- | -------------------------------------------------------------------------------------------- | -| `--host` | Elasticsearch host *(default 'localhost')*. | -| `--port` | Elasticsearch port *(default 9200)*. | -| `--user` | Elasticsearch username *(default 'elastic')*. | -| `--password` | Elasticsearch password. If not provided, it checks the environment variable **ES_PASSWORD**. | -| `--api-key` | Elasticsearch API Key for authentication. | -| `--self-signed` | Allow self-signed certificates. | +###### Elasticsearch arguments +| Argument | Description | Default | +|-------------------|--------------------------------------------------------------------------------------|---------------| +| `--host` | Elasticsearch host *(Will sniff for other nodes in the cluster)* | `localhost` | +| `--port` | Elasticsearch port | `9200` | +| `--user` | Elasticsearch username | `elastic` | +| `--password` | Elasticsearch password *(if not provided, check environment variable `ES_PASSWORD`)* | | +| `--api-key` | Elasticsearch API Key for authentication | | +| `--self-signed` | Elastic search instance is using a self-signed certificate | `true` | +| `--index` | Elasticsearch index name | `masscan-logs`| +| `--shards` | Number of shards for the index | `1` | +| `--replicas` | Number of replicas for the index | `1` | -###### Elasticsearch Index Options -| Argument | Description | -| --------------- | -------------------------------------------------------------------------------------------- | -| `--index` | Elasticsearch index name *(default 'zone_files')*. | -| `--replicas` | Number of replicas for the index. | -| `--shards` | Number of shards for the index | +###### Performance arguments +| Argument | Description | Default | +|-------------------|--------------------------------------------------------------------------------------|---------------| +| `--batch-max` | Maximum size in MB of a batch | `10` | +| `--batch-size` | Number of records to index in a batch | `5000` | +| `--batch-threads` | Number of threads to use when indexing in batches | `2` | +| `--retries` | Number of times to retry indexing a batch before failing | `10` | +| `--timeout` | Number of seconds to wait before retrying a batch | `30` | + +**NOTE:** Using `--batch-threads` as 4 and `--batch-size` as 10000 with 3 nodes would process 120,000 records before indexing 40,000 per node. ___ diff --git a/ingestors/__pycache__/sniff_patch.cpython-312.pyc b/ingestors/__pycache__/sniff_patch.cpython-312.pyc new file mode 100644 index 0000000..d3fc380 Binary files /dev/null and b/ingestors/__pycache__/sniff_patch.cpython-312.pyc differ diff --git a/ingestors/ingest_httpx.py b/ingestors/ingest_httpx.py index 9ded692..91a851e 100644 --- a/ingestors/ingest_httpx.py +++ b/ingestors/ingest_httpx.py @@ -12,9 +12,10 @@ import argparse import json import logging import os +import time try: - from elasticsearch import Elasticsearch, helpers + from elasticsearch import Elasticsearch, helpers, ConnectionError, TransportError except ImportError: raise ImportError('Missing required \'elasticsearch\' library. (pip install elasticsearch)') @@ -105,6 +106,7 @@ class ElasticIndexer: } ''' + count = 0 records = [] with open(file_path, 'r') as file: @@ -126,15 +128,29 @@ class ElasticIndexer: else: record = {'_index': self.es_index, '_source': record} records.append(record) - + count += 1 if len(records) >= batch_size: - success, _ = helpers.bulk(self.es, records) - logging.info(f'Successfully indexed {success} records to {self.es_index}') - records = [] + while True: + try: + success, _ = helpers.bulk(self.es, records) + except (ConnectionError, TransportError) as e: + logging.error(f'Failed to index records to Elasticsearch. ({e})') + time.sleep(60) + else: + logging.info(f'Successfully indexed {success:,} ({count:,}) records to {self.es_index} from {file_path}') + records = [] + break if records: - success, _ = helpers.bulk(self.es, records) - logging.info(f'Successfully indexed {success} records to {self.es_index}') + while True: + try: + success, _ = helpers.bulk(self.es, records) + except (ConnectionError, TransportError) as e: + logging.error(f'Failed to index records to Elasticsearch. ({e})') + time.sleep(60) + else: + logging.info(f'Successfully indexed {success:,} ({count:,}) records to {self.es_index} from {file_path}') + break def main(): diff --git a/ingestors/ingest_masscan.py b/ingestors/ingest_masscan.py index c1dbf15..79df82a 100644 --- a/ingestors/ingest_masscan.py +++ b/ingestors/ingest_masscan.py @@ -5,8 +5,14 @@ # # This script takes JSON formatted masscan logs with banners and indexes them into Elasticsearch. # -# Saving my "typical" masscan command here for reference to myself: -# masscan 0.0.0.0/0 -p3559,1900 --banners --open-only --rate 25000 --excludefile exclude.conf -oJ output.json --interactive +# Saving my "typical" masscan setup & command here for reference to myself: +# apt-get install iptables masscan libpcap-dev screen +# /sbin/iptables -A INPUT -p tcp --dport 61010 -j DROP +# printf "0.0.0.0/8\n10.0.0.0/8\n100.64.0.0/10\n127.0.0.0/8\n169.254.0.0/16\n172.16.0.0/12\n192.0.0.0/24\n192.0.0.0/29\n192.0.0.170/32\n192.0.0.171/32\n192.0.2.0/24\n192.88.99.0/24\n192.168.0.0/16\n198.18.0.0/15\n198.51.100.0/24\n203.0.113.0/24\n240.0.0.0/4\n255.255.255.255/32\n" > exclude.conf +# screen -S scan +# masscan 0.0.0.0/0 -p8080,8888,8000 --banners --source-port 61010 --open-only --rate 35000 --excludefile exclude.conf -oJ output_new.json --interactive +# +# Note: The above iptables rule is not persistent and will be removed on reboot. import argparse import json @@ -26,11 +32,11 @@ logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(name)s - %(level class ElasticIndexer: - def __init__(self, es_host: str, es_port: str, es_user: str, es_password: str, es_api_key: str, es_index: str, dry_run: bool = False, self_signed: bool = False): + def __init__(self, es_host: str, es_port: int, es_user: str, es_password: str, es_api_key: str, es_index: str, dry_run: bool = False, self_signed: bool = False, retries: int = 10, timeout: int = 30): ''' Initialize the Elastic Search indexer. - :param es_host: Elasticsearch host + :param es_host: Elasticsearch host(s) :param es_port: Elasticsearch port :param es_user: Elasticsearch username :param es_password: Elasticsearch password @@ -38,6 +44,8 @@ class ElasticIndexer: :param es_index: Elasticsearch index name :param dry_run: If True, do not initialize Elasticsearch client :param self_signed: If True, do not verify SSL certificates + :param retries: Number of times to retry indexing a batch before failing + :param timeout: Number of seconds to wait before retrying a batch ''' self.dry_run = dry_run @@ -45,10 +53,24 @@ class ElasticIndexer: self.es_index = es_index if not dry_run: + es_config = { + 'hosts': [f'{es_host}:{es_port}'], + 'verify_certs': self_signed, + 'ssl_show_warn': self_signed, + 'request_timeout': timeout, + 'max_retries': retries, + 'retry_on_timeout': True, + 'sniff_on_start': True, + 'sniff_on_node_failure': True, + 'min_delay_between_sniffing': 60 + } + if es_api_key: - self.es = Elasticsearch([f'{es_host}:{es_port}'], headers={'Authorization': f'ApiKey {es_api_key}'}, verify_certs=self_signed, ssl_show_warn=self_signed) + es_config['headers'] = {'Authorization': f'ApiKey {es_api_key}'} else: - self.es = Elasticsearch([f'{es_host}:{es_port}'], basic_auth=(es_user, es_password), verify_certs=self_signed, ssl_show_warn=self_signed) + es_config['basic_auth'] = (es_user, es_password) + + self.es = Elasticsearch(**es_config) def create_index(self, shards: int = 1, replicas: int = 1): @@ -84,13 +106,23 @@ class ElasticIndexer: logging.warning(f'Index \'{self.es_index}\' already exists.') - def process_file(self, file_path: str, batch_size: int): + def get_cluster_size(self) -> int: + '''Get the number of nodes in the Elasticsearch cluster.''' + + cluster_stats = self.es.cluster.stats() + number_of_nodes = cluster_stats['nodes']['count']['total'] + + return number_of_nodes + + + def process_file(self, file_path: str, watch: bool = False, chunk: dict = {}): ''' Read and index Masscan records in batches to Elasticsearch, handling large volumes efficiently. :param file_path: Path to the Masscan log file :param batch_size: Number of records to process before indexing - + :param watch: If True, input file will be watched for new lines and indexed in real time + Example record: { "ip": "43.134.51.142", @@ -119,10 +151,11 @@ class ElasticIndexer: } ''' + count = 0 records = [] with open(file_path, 'r') as file: - for line in file: + for line in (file := follow(file) if watch else file): line = line.strip() if not line or not line.startswith('{'): @@ -144,27 +177,84 @@ class ElasticIndexer: struct['service'] = port_info['service']['name'] if 'banner' in port_info['service']: - banner = port_info['service']['banner'] - match = re.search(r'\(Ref\.Id: (.*?)\)', banner) - if match: - struct['ref_id'] = match.group(1) - else: - struct['banner'] = banner + banner = ' '.join(port_info['service']['banner'].split()) # Remove extra whitespace + if banner: + match = re.search(r'\(Ref\.Id: (.*?)\)', banner) + if match: + struct['ref_id'] = match.group(1) + else: + struct['banner'] = banner if self.dry_run: print(struct) else: struct = {'_index': self.es_index, '_source': struct} records.append(struct) - - if len(records) >= batch_size: - success, _ = helpers.bulk(self.es, records) - logging.info(f'Successfully indexed {success} records to {self.es_index}') + count += 1 + if len(records) >= chunk['batch']: + self.bulk_index(records, file_path, chunk, count) records = [] if records: - success, _ = helpers.bulk(self.es, records) - logging.info(f'Successfully indexed {success} records to {self.es_index}') + self.bulk_index(records, file_path, chunk, count) + + + def bulk_index(self, documents: list, file_path: str, chunk: dict, count: int): + ''' + Index a batch of documents to Elasticsearch. + + :param documents: List of documents to index + :param file_path: Path to the file being indexed + :param count: Total number of records processed + ''' + remaining_documents = documents + + parallel_bulk_config = { + 'client': self.es, + 'chunk_size': chunk['size'], + 'max_chunk_bytes': chunk['max_size'] * 1024 * 1024, # MB + 'thread_count': chunk['threads'], + 'queue_size': 2 + } + + while remaining_documents: + failed_documents = [] + + try: + for success, response in helpers.parallel_bulk(actions=remaining_documents, **parallel_bulk_config): + if not success: + failed_documents.append(response) + + if not failed_documents: + ingested = parallel_bulk_config['chunk_size'] * parallel_bulk_config['thread_count'] + logging.info(f'Successfully indexed {ingested:,} ({count:,} processed) records to {self.es_index} from {file_path}') + break + + else: + logging.warning(f'Failed to index {len(failed_documents):,} failed documents! Retrying...') + remaining_documents = failed_documents + except Exception as e: + logging.error(f'Failed to index documents! ({e})') + time.sleep(30) + + +def follow(file) -> str: + ''' + Generator function that yields new lines in a file in real time. + + :param file: File object to read from + ''' + + file.seek(0,2) # Go to the end of the file + + while True: + line = file.readline() + + if not line: + time.sleep(0.1) + continue + + yield line def main(): @@ -175,8 +265,8 @@ def main(): # General arguments parser.add_argument('--dry-run', action='store_true', help='Dry run (do not index records to Elasticsearch)') - parser.add_argument('--batch_size', type=int, default=50000, help='Number of records to index in a batch') - + parser.add_argument('--watch', action='store_true', help='Watch the input file for new lines and index them in real time') + # Elasticsearch arguments parser.add_argument('--host', default='localhost', help='Elasticsearch host') parser.add_argument('--port', type=int, default=9200, help='Elasticsearch port') @@ -186,54 +276,93 @@ def main(): parser.add_argument('--self-signed', action='store_false', help='Elasticsearch is using self-signed certificates') # Elasticsearch indexing arguments - parser.add_argument('--index', default='zone-files', help='Elasticsearch index name') + parser.add_argument('--index', default='masscan-logs', help='Elasticsearch index name') parser.add_argument('--shards', type=int, default=1, help='Number of shards for the index') parser.add_argument('--replicas', type=int, default=1, help='Number of replicas for the index') + # Batch arguments (for fine tuning performance) + parser.add_argument('--batch-max', type=int, default=10, help='Maximum size in MB of a batch') + parser.add_argument('--batch-size', type=int, default=5000, help='Number of records to index in a batch') + parser.add_argument('--batch-threads', type=int, default=2, help='Number of threads to use when indexing in batches') + # NOTE: Using --batch-threads as 4 and --batch-size as 10000 means we will process 40,000 records per-node before indexing, so 3 nodes would process 120,000 records before indexing + + # Elasticsearch retry arguments + parser.add_argument('--retries', type=int, default=10, help='Number of times to retry indexing a batch before failing') + parser.add_argument('--timeout', type=int, default=30, help='Number of seconds to wait before retrying a batch') + args = parser.parse_args() if not os.path.exists(args.input_path): raise FileNotFoundError(f'Input file {args.input_path} does not exist') + elif not os.path.isdir(args.input_path) and not os.path.isfile(args.input_path): + raise ValueError(f'Input path {args.input_path} is not a file or directory') if not args.dry_run: if args.batch_size < 1: raise ValueError('Batch size must be greater than 0') + + elif args.retries < 1: + raise ValueError('Number of retries must be greater than 0') + + elif args.timeout < 5: + raise ValueError('Timeout must be greater than 4') + + elif args.batch_max < 1: + raise ValueError('Batch max size must be greater than 0') + + elif args.batch_threads < 1: + raise ValueError('Batch threads must be greater than 0') - if not args.host: + elif not args.host: raise ValueError('Missing required Elasticsearch argument: host') - if not args.api_key and (not args.user or not args.password): + elif not args.api_key and (not args.user or not args.password): raise ValueError('Missing required Elasticsearch argument: either user and password or apikey') - if args.shards < 1: + elif args.shards < 1: raise ValueError('Number of shards must be greater than 0') - if args.replicas < 0: + elif args.replicas < 0: raise ValueError('Number of replicas must be greater than 0') - logging.info(f'Connecting to Elasticsearch at {args.host}:{args.port}...') - - edx = ElasticIndexer(args.host, args.port, args.user, args.password, args.api_key, args.index, args.dry_run, args.self_signed) - + edx = ElasticIndexer(args.host, args.port, args.user, args.password, args.api_key, args.index, args.dry_run, args.self_signed, args.retries, args.timeout) + if not args.dry_run: + time.sleep(3) # Delay to allow time for sniffing to complete + + nodes = edx.get_cluster_size() + logging.info(f'Connected to {nodes:,} Elasticsearch node(s)') + edx.create_index(args.shards, args.replicas) # Create the index if it does not exist + chunk = { + 'size': args.batch_size, + 'max_size': args.batch_max * 1024 * 1024, + 'threads': args.batch_threads + } + + chunk['batch'] = nodes * (chunk['size'] * chunk['threads']) + else: + chunk = {} # Ugly hack to get this working... + if os.path.isfile(args.input_path): logging.info(f'Processing file: {args.input_path}') - edx.process_file(args.input_path, args.batch_size) + edx.process_file(args.input_path, args.watch, chunk) elif os.path.isdir(args.input_path): - logging.info(f'Processing files in directory: {args.input_path}') + count = 1 + total = len(os.listdir(args.input_path)) + logging.info(f'Processing {total:,} files in directory: {args.input_path}') for file in sorted(os.listdir(args.input_path)): file_path = os.path.join(args.input_path, file) if os.path.isfile(file_path): - logging.info(f'Processing file: {file_path}') - edx.process_file(file_path, args.batch_size) - - else: - raise ValueError(f'Input path {args.input_path} is not a file or directory') + logging.info(f'[{count:,}/{total:,}] Processing file: {file_path}') + edx.process_file(file_path, args.watch, chunk) + count += 1 + else: + logging.warning(f'[{count:,}/{total:,}] Skipping non-file: {file_path}') if __name__ == '__main__': - main() + main() \ No newline at end of file diff --git a/ingestors/ingest_massdns.py b/ingestors/ingest_massdns.py index 3b9badf..f6f073d 100644 --- a/ingestors/ingest_massdns.py +++ b/ingestors/ingest_massdns.py @@ -9,13 +9,13 @@ # python $HOME/massdns/scripts/ptr.py | massdns -r $HOME/massdns/nameservers.txt -t PTR --filter NOERROR -o J -w $HOME/massdns/ptr.json import argparse -import json import logging import os import time try: from elasticsearch import Elasticsearch, helpers + import sniff_patch except ImportError: raise ImportError('Missing required \'elasticsearch\' library. (pip install elasticsearch)') @@ -25,11 +25,11 @@ logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(name)s - %(level class ElasticIndexer: - def __init__(self, es_host: str, es_port: str, es_user: str, es_password: str, es_api_key: str, es_index: str, dry_run: bool = False, self_signed: bool = False): + def __init__(self, es_host: str, es_port: int, es_user: str, es_password: str, es_api_key: str, es_index: str, dry_run: bool = False, self_signed: bool = False, retries: int = 10, timeout: int = 30): ''' Initialize the Elastic Search indexer. - :param es_host: Elasticsearch host + :param es_host: Elasticsearch host(s) :param es_port: Elasticsearch port :param es_user: Elasticsearch username :param es_password: Elasticsearch password @@ -37,6 +37,8 @@ class ElasticIndexer: :param es_index: Elasticsearch index name :param dry_run: If True, do not initialize Elasticsearch client :param self_signed: If True, do not verify SSL certificates + :param retries: Number of times to retry indexing a batch before failing + :param timeout: Number of seconds to wait before retrying a batch ''' self.dry_run = dry_run @@ -44,11 +46,25 @@ class ElasticIndexer: self.es_index = es_index if not dry_run: + es_config = { + 'hosts': [f'{es_host}:{es_port}'], + 'verify_certs': self_signed, + 'ssl_show_warn': self_signed, + 'request_timeout': timeout, + 'max_retries': retries, + 'retry_on_timeout': True, + 'sniff_on_start': False, + 'sniff_on_node_failure': True, + 'min_delay_between_sniffing': 60 + } if es_api_key: - self.es = Elasticsearch([f'{es_host}:{es_port}'], headers={'Authorization': f'ApiKey {es_api_key}'}, verify_certs=self_signed, ssl_show_warn=self_signed) + es_config['headers'] = {'Authorization': f'ApiKey {es_api_key}'} else: - self.es = Elasticsearch([f'{es_host}:{es_port}'], basic_auth=(es_user, es_password), verify_certs=self_signed, ssl_show_warn=self_signed) + es_config['basic_auth'] = (es_user, es_password) + + #self.es = Elasticsearch(**es_config) + self.es = sniff_patch.init_elasticsearch(**es_config) def create_index(self, shards: int = 1, replicas: int = 1): @@ -61,13 +77,10 @@ class ElasticIndexer: }, 'mappings': { 'properties': { - 'ip': { 'type': 'ip' }, - 'port': { 'type': 'integer' }, - 'proto': { 'type': 'keyword' }, - 'service': { 'type': 'keyword' }, - 'banner': { 'type': 'text', 'fields': { 'keyword': { 'type': 'keyword', 'ignore_above': 256 } } }, - 'ref_id': { 'type': 'keyword' }, - 'seen': { 'type': 'date' } + 'ip': { 'type': 'ip' }, + 'name': { 'type': 'keyword' }, + 'record': { 'type': 'text', 'fields': { 'keyword': { 'type': 'keyword', 'ignore_above': 256 } } }, + 'seen': { 'type': 'date' } } } } @@ -84,7 +97,17 @@ class ElasticIndexer: logging.warning(f'Index \'{self.es_index}\' already exists.') - def process_file(self, file_path: str, batch_size: int): + def get_cluster_size(self) -> int: + '''Get the number of nodes in the Elasticsearch cluster.''' + + cluster_stats = self.es.cluster.stats() + number_of_nodes = cluster_stats['nodes']['count']['total'] + + return number_of_nodes + + + + def process_file(self, file_path: str, watch: bool = False, chunk: dict = {}): ''' Read and index PTR records in batches to Elasticsearch, handling large volumes efficiently. @@ -92,78 +115,122 @@ class ElasticIndexer: :param batch_size: Number of records to process before indexing Example PTR record: + 0.6.229.47.in-addr.arpa. PTR 047-229-006-000.res.spectrum.com. + 0.6.228.75.in-addr.arpa. PTR 0.sub-75-228-6.myvzw.com. + 0.6.207.73.in-addr.arpa. PTR c-73-207-6-0.hsd1.ga.comcast.net. + 0.6.212.173.in-addr.arpa. PTR 173-212-6-0.cpe.surry.net. + 0.6.201.133.in-addr.arpa. PTR flh2-133-201-6-0.tky.mesh.ad.jp. + + Will be indexed as: { - "name":"0.0.50.73.in-addr.arpa.", - "type":"PTR", - "class":"IN", - "status":"NOERROR", - "rx_ts":1704595370817617348, - "data": { - "answers": [ - {"ttl":3600,"type":"PTR","class":"IN","name":"0.0.50.73.in-addr.arpa.","data":"c-73-50-0-0.hsd1.il.comcast.net."} - ], - "authorities": [ - {"ttl":86400,"type":"NS","class":"IN","name":"73.in-addr.arpa.","data":"dns102.comcast.net."}, - {"ttl":86400,"type":"NS","class":"IN","name":"73.in-addr.arpa.","data":"dns103.comcast.net."}, - {"ttl":86400,"type":"NS","class":"IN","name":"73.in-addr.arpa.","data":"dns105.comcast.net."}, - {"ttl":86400,"type":"NS","class":"IN","name":"73.in-addr.arpa.","data":"dns101.comcast.net."}, - {"ttl":86400,"type":"NS","class":"IN","name":"73.in-addr.arpa.","data":"dns104.comcast.net."} - ], - "additionals":[ - {"ttl":105542,"type":"A","class":"IN","name":"dns101.comcast.net.","data":"69.252.250.103"}, - {"ttl":105542,"type":"A","class":"IN","name":"dns102.comcast.net.","data":"68.87.85.132"}, - {"ttl":105542,"type":"AAAA","class":"IN","name":"dns104.comcast.net.","data":"2001:558:100a:5:68:87:68:244"}, - {"ttl":105542,"type":"AAAA","class":"IN","name":"dns105.comcast.net.","data":"2001:558:100e:5:68:87:72:244"} - ] - }, - "flags": ["rd","ra"], - "resolver":"103.144.64.173:53", - "proto":"UDP" + "ip": "47.229.6.0", + "record": "047-229-006-000.res.spectrum.com.", + "seen": "2021-06-30T18:31:00Z" } ''' + count = 0 records = [] with open(file_path, 'r') as file: - for line in file: + for line in (file := follow(file) if watch else file): line = line.strip() if not line: continue - record = json.loads(line.strip()) + parts = line.split() - # Should we keep CNAME records? Can an IP address have a CNAME? - if record['type'] != 'PTR': - logging.error(record) - raise ValueError(f'Unsupported record type: {record["type"]}') - - if record['class'] != 'IN': - logging.error(record) - raise ValueError(f'Unsupported record class: {record["class"]}') + if len(parts) < 3: + raise ValueError(f'Invalid PTR record: {line}') + + name, record_type, data = parts[0].rstrip('.'), parts[1], ' '.join(parts[2:]).rstrip('.') - if record['status'] != 'NOERROR': - logging.warning(f'Skipping bad record: {record}') + if record_type != 'PTR': continue - record['ip'] = '.'.join(record['name'].replace('.in-addr.arpa', '').split('.')[::-1]) - record['name'] = record['name'].rstrip('.') - record['timestamp'] = time.strftime("%Y-%m-%dT%H:%M:%SZ", time.gmtime(record.pop('rx_ts') / 1_000_000_000)) + # Let's not index the PTR record if it's the same as the in-addr.arpa domain + if data == name: + continue + + ip = '.'.join(name.replace('.in-addr.arpa', '').split('.')[::-1]) + + source = { + 'ip': ip, + 'record': data, + 'seen': time.strftime('%Y-%m-%dT%H:%M:%SZ', time.gmtime()) + } if self.dry_run: - print(record) + print(source) else: - struct = {'_index': self.es_index, '_source': struct} + struct = {'_index': self.es_index, '_source': source} records.append(struct) - - if len(records) >= batch_size: - success, _ = helpers.bulk(self.es, records) - logging.info(f'Successfully indexed {success} records to {self.es_index}') + count += 1 + if len(records) >= chunk['batch']: + self.bulk_index(records, file_path, chunk, count) records = [] if records: - success, _ = helpers.bulk(self.es, records) - logging.info(f'Successfully indexed {success} records to {self.es_index}') + self.bulk_index(records, file_path, chunk, count) + + + def bulk_index(self, documents: list, file_path: str, chunk: dict, count: int): + ''' + Index a batch of documents to Elasticsearch. + + :param documents: List of documents to index + :param file_path: Path to the file being indexed + :param count: Total number of records processed + ''' + remaining_documents = documents + + parallel_bulk_config = { + 'client': self.es, + 'chunk_size': chunk['size'], + 'max_chunk_bytes': chunk['max_size'] * 1024 * 1024, # MB + 'thread_count': chunk['threads'], + 'queue_size': 2 + } + + while remaining_documents: + failed_documents = [] + + try: + for success, response in helpers.parallel_bulk(actions=remaining_documents, **parallel_bulk_config): + if not success: + failed_documents.append(response) + + if not failed_documents: + ingested = parallel_bulk_config['chunk_size'] * parallel_bulk_config['thread_count'] + logging.info(f'Successfully indexed {ingested:,} ({count:,} processed) records to {self.es_index} from {file_path}') + break + + else: + logging.warning(f'Failed to index {len(failed_documents):,} failed documents! Retrying...') + remaining_documents = failed_documents + except Exception as e: + logging.error(f'Failed to index documents! ({e})') + time.sleep(30) + + +def follow(file) -> str: + ''' + Generator function that yields new lines in a file in real time. + + :param file: File object to read from + ''' + + file.seek(0,2) # Go to the end of the file + + while True: + line = file.readline() + + if not line: + time.sleep(0.1) + continue + + yield line def main(): @@ -174,63 +241,102 @@ def main(): # General arguments parser.add_argument('--dry-run', action='store_true', help='Dry run (do not index records to Elasticsearch)') - parser.add_argument('--batch_size', type=int, default=50000, help='Number of records to index in a batch') - - # Elasticsearch connection arguments + parser.add_argument('--watch', action='store_true', help='Watch the input file for new lines and index them in real time') + + # Elasticsearch arguments parser.add_argument('--host', default='localhost', help='Elasticsearch host') parser.add_argument('--port', type=int, default=9200, help='Elasticsearch port') parser.add_argument('--user', default='elastic', help='Elasticsearch username') parser.add_argument('--password', default=os.getenv('ES_PASSWORD'), help='Elasticsearch password (if not provided, check environment variable ES_PASSWORD)') - parser.add_argument('--api-key', help='Elasticsearch API Key for authentication') + parser.add_argument('--api-key', help='Elasticsearch API Key for authentication') parser.add_argument('--self-signed', action='store_false', help='Elasticsearch is using self-signed certificates') # Elasticsearch indexing arguments - parser.add_argument('--index', default='zone-files', help='Elasticsearch index name') + parser.add_argument('--index', default='ptr-records', help='Elasticsearch index name') parser.add_argument('--shards', type=int, default=1, help='Number of shards for the index') parser.add_argument('--replicas', type=int, default=1, help='Number of replicas for the index') + # Batch arguments (for fine tuning performance) + parser.add_argument('--batch-max', type=int, default=10, help='Maximum size in MB of a batch') + parser.add_argument('--batch-size', type=int, default=5000, help='Number of records to index in a batch') + parser.add_argument('--batch-threads', type=int, default=2, help='Number of threads to use when indexing in batches') + # NOTE: Using --batch-threads as 4 and --batch-size as 10000 means we will process 40,000 records per-node before indexing, so 3 nodes would process 120,000 records before indexing + + # Elasticsearch retry arguments + parser.add_argument('--retries', type=int, default=10, help='Number of times to retry indexing a batch before failing') + parser.add_argument('--timeout', type=int, default=30, help='Number of seconds to wait before retrying a batch') + args = parser.parse_args() if not os.path.exists(args.input_path): raise FileNotFoundError(f'Input file {args.input_path} does not exist') + elif not os.path.isdir(args.input_path) and not os.path.isfile(args.input_path): + raise ValueError(f'Input path {args.input_path} is not a file or directory') if not args.dry_run: if args.batch_size < 1: raise ValueError('Batch size must be greater than 0') + + elif args.retries < 1: + raise ValueError('Number of retries must be greater than 0') + + elif args.timeout < 5: + raise ValueError('Timeout must be greater than 4') + + elif args.batch_max < 1: + raise ValueError('Batch max size must be greater than 0') + + elif args.batch_threads < 1: + raise ValueError('Batch threads must be greater than 0') - if not args.host: + elif not args.host: raise ValueError('Missing required Elasticsearch argument: host') - - if not args.api_key and (not args.user or not args.password): + + elif not args.api_key and (not args.user or not args.password): raise ValueError('Missing required Elasticsearch argument: either user and password or apikey') - - if args.shards < 1: + + elif args.shards < 1: raise ValueError('Number of shards must be greater than 0') - - if args.replicas < 1: + + elif args.replicas < 0: raise ValueError('Number of replicas must be greater than 0') - - logging.info(f'Connecting to Elasticsearch at {args.host}:{args.port}...') - - edx = ElasticIndexer(args.host, args.port, args.user, args.password, args.api_key, args.index, args.dry_run, args.self_signed) + edx = ElasticIndexer(args.host, args.port, args.user, args.password, args.api_key, args.index, args.dry_run, args.self_signed, args.retries, args.timeout) + if not args.dry_run: + time.sleep(5) # Delay to allow time for sniffing to complete + + nodes = edx.get_cluster_size() + logging.info(f'Connected to {nodes:,} Elasticsearch node(s)') + edx.create_index(args.shards, args.replicas) # Create the index if it does not exist + chunk = { + 'size': args.batch_size, + 'max_size': args.batch_max * 1024 * 1024, + 'threads': args.batch_threads + } + + chunk['batch'] = nodes * (chunk['size'] * chunk['threads']) + else: + chunk = {} # Ugly hack to get this working... + if os.path.isfile(args.input_path): logging.info(f'Processing file: {args.input_path}') - edx.process_file(args.input_path, args.batch_size) + edx.process_file(args.input_path, args.watch, chunk) elif os.path.isdir(args.input_path): - logging.info(f'Processing files in directory: {args.input_path}') + count = 1 + total = len(os.listdir(args.input_path)) + logging.info(f'Processing {total:,} files in directory: {args.input_path}') for file in sorted(os.listdir(args.input_path)): file_path = os.path.join(args.input_path, file) if os.path.isfile(file_path): - logging.info(f'Processing file: {file_path}') - edx.process_file(file_path, args.batch_size) - - else: - raise ValueError(f'Input path {args.input_path} is not a file or directory') + logging.info(f'[{count:,}/{total:,}] Processing file: {file_path}') + edx.process_file(file_path, args.watch, chunk) + count += 1 + else: + logging.warning(f'[{count:,}/{total:,}] Skipping non-file: {file_path}') diff --git a/ingestors/ingest_zone.py b/ingestors/ingest_zone.py index d2634d1..9bc92fa 100644 --- a/ingestors/ingest_zone.py +++ b/ingestors/ingest_zone.py @@ -12,13 +12,21 @@ # Anomaly detection is in place to alert the user of any unexpected records. +# WARNING NOTICE: +# +# The following zones need reindex due to previous unsupported record types: +# - .wang (Contains a completely invalid line) (tjjm6hs65gL9KUFU76J747MB NS) +# - .tel (NAPTR records were missing) +# - .nu (RP records were missing +# - .se (RP records were missing) + import argparse import logging import os import time try: - from elasticsearch import Elasticsearch, helpers + from elasticsearch import Elasticsearch, helpers, ConnectionError, TransportError except ImportError: raise ImportError('Missing required \'elasticsearch\' library. (pip install elasticsearch)') @@ -27,7 +35,7 @@ except ImportError: logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(name)s - %(levelname)s - %(message)s', datefmt='%m/%d %I:%M:%S') # Record types to index -record_types = ('a','aaaa','caa','cdnskey','cds','cname','dnskey','ds','mx','ns','nsec','nsec3','nsec3param','ptr','rrsig','sshfp','soa','srv','txt','type65534') +record_types = ('a','aaaa','caa','cdnskey','cds','cname','dnskey','ds','mx','naptr','ns','nsec','nsec3','nsec3param','ptr','rrsig','rp','sshfp','soa','srv','txt','type65534') class ElasticIndexer: @@ -185,9 +193,16 @@ class ElasticIndexer: records.append(struct) count += 1 if len(records) >= batch_size: - success, _ = helpers.bulk(self.es, records) - logging.info(f'Successfully indexed {success:,} ({count:,}) records to {self.es_index} from {file_path}') - records = [] + while True: + try: + success, _ = helpers.bulk(self.es, records) + except (ConnectionError, TransportError) as e: + logging.error(f'Failed to index records to Elasticsearch. ({e})') + time.sleep(60) + else: + logging.info(f'Successfully indexed {success:,} ({count:,}) records to {self.es_index} from {file_path}') + records = [] + break last_domain = domain @@ -199,8 +214,15 @@ class ElasticIndexer: domain_records[domain][record_type].append({'ttl': ttl, 'data': data}) if records: - success, _ = helpers.bulk(self.es, records) - logging.info(f'Successfully indexed {success:,} ({count:,}) records to {self.es_index} from {file_path}') + while True: + try: + success, _ = helpers.bulk(self.es, records) + except (ConnectionError, TransportError) as e: + logging.error(f'Failed to index records to Elasticsearch. ({e})') + time.sleep(60) + else: + logging.info(f'Successfully indexed {success:,} ({count:,}) records to {self.es_index} from {file_path}') + break def main(): @@ -222,7 +244,7 @@ def main(): parser.add_argument('--self-signed', action='store_false', help='Elasticsearch is using self-signed certificates') # Elasticsearch indexing arguments - parser.add_argument('--index', default='zone-files', help='Elasticsearch index name') + parser.add_argument('--index', default='dns-zones', help='Elasticsearch index name') parser.add_argument('--shards', type=int, default=1, help='Number of shards for the index') # This depends on your cluster configuration parser.add_argument('--replicas', type=int, default=1, help='Number of replicas for the index') # This depends on your cluster configuration @@ -270,6 +292,5 @@ def main(): raise ValueError(f'Input path {args.input_path} is not a file or directory') - if __name__ == '__main__': main() \ No newline at end of file diff --git a/ingestors/sniff_patch.py b/ingestors/sniff_patch.py new file mode 100644 index 0000000..3d75402 --- /dev/null +++ b/ingestors/sniff_patch.py @@ -0,0 +1,81 @@ +# sniff_* patch for elastic 8 clients +# Call init_elasticsearch() with normal Elasticsearch params +# Only needed if you use sniff_* options and only works with basic auth, feel free to edit to your needs. + +import base64 +import elasticsearch._sync.client as client +from elasticsearch.exceptions import SerializationError, ConnectionError + + +def init_elasticsearch(*args, **kwargs): + client.default_sniff_callback = _override_sniff_callback(kwargs['basic_auth']) + return client.Elasticsearch(*args, **kwargs) + + +def _override_sniff_callback(basic_auth): + """ + Taken from https://github.com/elastic/elasticsearch-py/blob/8.8/elasticsearch/_sync/client/_base.py#L166 + Completely unmodified except for adding the auth header to the elastic request. + Allows us to continue using the sniff_* options while this is broken in the library. + + TODO: Remove this when this issue is patched: + https://github.com/elastic/elasticsearch-py/issues/2005 + """ + auth_str = base64.b64encode(':'.join(basic_auth).encode()).decode() + sniffed_node_callback = client._base._default_sniffed_node_callback + + def modified_sniff_callback(transport, sniff_options): + for _ in transport.node_pool.all(): + try: + meta, node_infos = transport.perform_request( + "GET", + "/_nodes/_all/http", + headers={ + "accept": "application/vnd.elasticsearch+json; compatible-with=8", + # This auth header is missing in 8.x releases of the client, and causes 401s + "authorization": f"Basic {auth_str}" + }, + request_timeout=( + sniff_options.sniff_timeout + if not sniff_options.is_initial_sniff + else None + ), + ) + except (SerializationError, ConnectionError): + continue + + if not 200 <= meta.status <= 299: + continue + + node_configs = [] + for node_info in node_infos.get("nodes", {}).values(): + address = node_info.get("http", {}).get("publish_address") + if not address or ":" not in address: + continue + + if "/" in address: + # Support 7.x host/ip:port behavior where http.publish_host has been set. + fqdn, ipaddress = address.split("/", 1) + host = fqdn + _, port_str = ipaddress.rsplit(":", 1) + port = int(port_str) + else: + host, port_str = address.rsplit(":", 1) + port = int(port_str) + + assert sniffed_node_callback is not None + sniffed_node = sniffed_node_callback( + node_info, meta.node.replace(host=host, port=port) + ) + if sniffed_node is None: + continue + + # Use the node which was able to make the request as a base. + node_configs.append(sniffed_node) + + if node_configs: + return node_configs + + return [] + + return modified_sniff_callback \ No newline at end of file