263 lines
10 KiB
Plaintext
263 lines
10 KiB
Plaintext
{
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"cells": [
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{
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"cell_type": "markdown",
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"id": "alternate-pantyhose",
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"metadata": {},
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"source": [
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"# Lab1 Czytanie Kinesis Data Streams \n",
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"\n",
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"Przebieg ćwiczenia\n",
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"* Stwórz Data Stream \n",
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"* wygeneruj testowe dane do streama\n",
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"* odczytaj dane ze streama (ShardIterator)\n",
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"* zwróć uwagę na iteracje po shardach i iteratorach (per shard)\n",
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"* porównaj przeczytane dane z danymi wygenerowanymi (czytamy dwie iteracje - pierwsze 10 rekordów TRIM_HORIZON)\n",
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"* sprawdź jakie inne opcje ustawienia punktu w shardzie są"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 10,
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"id": "gross-series",
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"metadata": {},
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"outputs": [],
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"source": [
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"import boto3\n",
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"from pprint import pprint\n",
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"\n",
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"kinesis_client = boto3.client('kinesis')"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 11,
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"id": "excited-latex",
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"metadata": {},
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"outputs": [
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{
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"data": {
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"text/plain": [
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"['cryptostock-dev-100603781557-jk-12345']"
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]
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},
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"execution_count": 11,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
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"kinesis_client.list_streams()[\"StreamNames\"]"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 12,
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"id": "excellent-address",
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"metadata": {},
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"outputs": [
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{
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"data": {
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"text/plain": [
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"'cryptostock-dev-100603781557-jk-12345'"
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]
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},
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"execution_count": 12,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
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"STREAM_NAME = kinesis_client.list_streams()[\"StreamNames\"][0]\n",
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"STREAM_NAME"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 13,
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"id": "attended-combat",
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"[{'HashKeyRange': {'EndingHashKey': '340282366920938463463374607431768211455',\n",
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" 'StartingHashKey': '0'},\n",
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" 'SequenceNumberRange': {'StartingSequenceNumber': '49617445977150094507622122574044516561004852020651229186'},\n",
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" 'ShardId': 'shardId-000000000000'}]\n"
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]
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}
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],
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"source": [
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"response = kinesis_client.describe_stream(StreamName=STREAM_NAME) \n",
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"pprint(response[\"StreamDescription\"][\"Shards\"])"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 14,
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"id": "together-finance",
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"metadata": {},
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"outputs": [
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{
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"data": {
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"text/plain": [
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"[{'shard_id': 'shardId-000000000000',\n",
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" 'shard_iterator': 'AAAAAAAAAAEfLA4f5f+lMhjNfHXIXsKxQeP3dg79sVKKRiT+843gRXwSQsYRXeMIS4KwdRUjPdChkE2ZZGYSG3DeghHZi41DXOE0pNSdFHnqkePkBVIX2cN/9rbedZTgX/WXfNaL+sMUfdbYV6f9iQEtTtRAYN3bXfk5jUwIBvcgB1mQDRzdT1Or150vbf3LSlLtC7XlkK7HNZoGM1t577jseZTyvJ4+yeBOV73DQnSFnL/EPQvVdm+lidZtaNe39NMak4bXx5AWmhwblwLPmXg/l2PMDx7Z'}]"
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]
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},
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"execution_count": 14,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
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"shard_ids = []\n",
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"stream_name = None \n",
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"if response and 'StreamDescription' in response:\n",
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" stream_name= response['StreamDescription']['StreamName'] \n",
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" \n",
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" # reading all shards (getting shard iterators)\n",
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" for shard_id in response['StreamDescription']['Shards']:\n",
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" shard_id = shard_id['ShardId'] \n",
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" shard_iterator = kinesis_client.get_shard_iterator(StreamName=stream_name, ShardId = shard_id, ShardIteratorType=\"TRIM_HORIZON\")\n",
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" \n",
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" si = shard_iterator[\"ShardIterator\"]\n",
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" shard_ids.append({'shard_id' : shard_id ,'shard_iterator' : si })\n",
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" \n",
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"shard_ids"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 15,
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"id": "vital-bridges",
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"[{'ApproximateArrivalTimestamp': datetime.datetime(2021, 4, 18, 14, 18, 25, 191000, tzinfo=tzlocal()),\n",
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" 'Data': b'{\"transaction_ts\": 1601510403, \"symbol\": \"ETH_USD\", \"price\": 360'\n",
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" b'.03, \"amount\": 0.646, \"dollar_amount\": 232.57938, \"type\": \"buy\",'\n",
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" b' \"trans_id\": 124289044}\\n',\n",
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" 'PartitionKey': 'ETH_USD',\n",
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" 'SequenceNumber': '49617445977150094507622122578777461144796130256147709954'},\n",
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" {'ApproximateArrivalTimestamp': datetime.datetime(2021, 4, 18, 14, 18, 25, 310000, tzinfo=tzlocal()),\n",
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" 'Data': b'{\"transaction_ts\": 1601510403, \"symbol\": \"BTC_USD\", \"price\": 107'\n",
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" b'80.83, \"amount\": 0.035, \"dollar_amount\": 377.32905, \"type\": \"buy'\n",
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" b'\", \"trans_id\": 124289043}\\n',\n",
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" 'PartitionKey': 'BTC_USD',\n",
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" 'SequenceNumber': '49617445977150094507622122578778670070615744885322416130'},\n",
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" {'ApproximateArrivalTimestamp': datetime.datetime(2021, 4, 18, 14, 18, 25, 428000, tzinfo=tzlocal()),\n",
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" 'Data': b'{\"transaction_ts\": 1601510404, \"symbol\": \"ETH_USD\", \"price\": 360'\n",
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" b'.12, \"amount\": 0.523, \"dollar_amount\": 188.34276, \"type\": \"buy\",'\n",
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" b' \"trans_id\": 124289045}\\n',\n",
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" 'PartitionKey': 'ETH_USD',\n",
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" 'SequenceNumber': '49617445977150094507622122578779878996435359514497122306'},\n",
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" {'ApproximateArrivalTimestamp': datetime.datetime(2021, 4, 18, 14, 18, 25, 545000, tzinfo=tzlocal()),\n",
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" 'Data': b'{\"transaction_ts\": 1601510405, \"symbol\": \"BTC_USD\", \"price\": 107'\n",
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" b'84.42, \"amount\": 0.25635676, \"dollar_amount\": 2764.65897, \"type\"'\n",
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" b': \"buy\", \"trans_id\": 124289050}\\n',\n",
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" 'PartitionKey': 'BTC_USD',\n",
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" 'SequenceNumber': '49617445977150094507622122578781087922254974143671828482'},\n",
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" {'ApproximateArrivalTimestamp': datetime.datetime(2021, 4, 18, 14, 18, 25, 663000, tzinfo=tzlocal()),\n",
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" 'Data': b'{\"transaction_ts\": 1601510407, \"symbol\": \"BTC_USD\", \"price\": 107'\n",
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" b'84.42, \"amount\": 0.23877038, \"dollar_amount\": 2575.000061, \"type'\n",
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" b'\": \"buy\", \"trans_id\": 124289051}\\n',\n",
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" 'PartitionKey': 'BTC_USD',\n",
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" 'SequenceNumber': '49617445977150094507622122578782296848074588772846534658'}]\n"
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]
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}
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],
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"source": [
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"limit = 5\n",
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"response_get_rec = kinesis_client.get_records(ShardIterator = si , Limit = limit)\n",
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"next_shard_iterator = response_get_rec['NextShardIterator']\n",
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"pprint(response_get_rec[\"Records\"])"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 16,
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"id": "alone-martial",
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"AAAAAAAAAAGUetfZYhJAUbRmLdnxgHF2gXHQ+Yt8063YzfurEZ+Vdauri9LJ13JLrPqLIrBxeHRJ1GEBctxNJ4jYeB4Um/JNu4+2L5Jfa1Apl9s9y6f/5UMZlqIAFGvUPmW53Gj6MyauM9r7EWNBUBZCvrFQkHvC9fQwNYP3eyYm1xp4K9fcjBX90qUdnGmFU69bq+3BF5I7PXgPHitcwzJev6PqPLVny2SmhSHtnRF/Rogj00Xv+DtKo1/SBdVid3tyQ0e9tm4XrgttPfPIhNsJB3j57lpM\n",
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"[{'ApproximateArrivalTimestamp': datetime.datetime(2021, 4, 18, 14, 18, 25, 812000, tzinfo=tzlocal()),\n",
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" 'Data': b'{\"transaction_ts\": 1601510409, \"symbol\": \"BTC_USD\", \"price\": 107'\n",
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" b'84.42, \"amount\": 1.01303547, \"dollar_amount\": 10924.99998, \"type'\n",
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" b'\": \"buy\", \"trans_id\": 124289054}\\n',\n",
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" 'PartitionKey': 'BTC_USD',\n",
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" 'SequenceNumber': '49617445977150094507622122578783505773894203402021240834'},\n",
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" {'ApproximateArrivalTimestamp': datetime.datetime(2021, 4, 18, 14, 18, 25, 930000, tzinfo=tzlocal()),\n",
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" 'Data': b'{\"transaction_ts\": 1601510410, \"symbol\": \"BTC_USD\", \"price\": 107'\n",
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" b'84.42, \"amount\": 0.26135077, \"dollar_amount\": 2818.516471, \"type'\n",
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" b'\": \"buy\", \"trans_id\": 124289055}\\n',\n",
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" 'PartitionKey': 'BTC_USD',\n",
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" 'SequenceNumber': '49617445977150094507622122578784714699713818031195947010'},\n",
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" {'ApproximateArrivalTimestamp': datetime.datetime(2021, 4, 18, 14, 18, 26, 48000, tzinfo=tzlocal()),\n",
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" 'Data': b'{\"transaction_ts\": 1601510413, \"symbol\": \"ETH_USD\", \"price\": 360'\n",
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" b'.39, \"amount\": 5.55416701, \"dollar_amount\": 2001.666249, \"type\":'\n",
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" b' \"buy\", \"trans_id\": 124289059}\\n',\n",
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" 'PartitionKey': 'ETH_USD',\n",
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" 'SequenceNumber': '49617445977150094507622122578785923625533432660370653186'},\n",
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" {'ApproximateArrivalTimestamp': datetime.datetime(2021, 4, 18, 14, 18, 26, 165000, tzinfo=tzlocal()),\n",
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" 'Data': b'{\"transaction_ts\": 1601510414, \"symbol\": \"ETH_USD\", \"price\": 360'\n",
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" b'.6, \"amount\": 13.855, \"dollar_amount\": 4996.113, \"type\": \"buy\", '\n",
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" b'\"trans_id\": 124289071}\\n',\n",
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" 'PartitionKey': 'ETH_USD',\n",
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" 'SequenceNumber': '49617445977150094507622122578787132551353047358264836098'},\n",
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" {'ApproximateArrivalTimestamp': datetime.datetime(2021, 4, 18, 14, 18, 26, 282000, tzinfo=tzlocal()),\n",
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" 'Data': b'{\"transaction_ts\": 1601510415, \"symbol\": \"ETH_USD\", \"price\": 360'\n",
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" b'.24, \"amount\": 6.32869733, \"dollar_amount\": 2279.849926, \"type\":'\n",
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" b' \"sell\", \"trans_id\": 124289072}\\n',\n",
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" 'PartitionKey': 'ETH_USD',\n",
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" 'SequenceNumber': '49617445977150094507622122578788341477172661987439542274'}]\n"
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]
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}
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],
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"source": [
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"print(next_shard_iterator)\n",
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"response_get_rec = kinesis_client.get_records(ShardIterator = next_shard_iterator , Limit = limit)\n",
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"pprint(response_get_rec[\"Records\"])"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"id": "analyzed-applicant",
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"metadata": {},
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"outputs": [],
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"source": []
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}
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],
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"metadata": {
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"kernelspec": {
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"display_name": "Python 3",
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"language": "python",
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"name": "python3"
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},
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"language_info": {
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"codemirror_mode": {
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"name": "ipython",
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"version": 3
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},
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"file_extension": ".py",
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"mimetype": "text/x-python",
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"name": "python",
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"nbconvert_exporter": "python",
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"pygments_lexer": "ipython3",
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"version": "3.8.8"
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}
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},
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"nbformat": 4,
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"nbformat_minor": 5
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}
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