class DbUtils:
def __init__(self, connection_info):
node_ips, namespace, user_id, password = connection_info
auth_provider = PlainTextAuthProvider(username=user_id,
password=password)
self._session = Cluster(node_ips,
auth_provider=auth_provider).connect(namespace)
def insert_model_predictions(self, extracted_attribute):
query = "insert into ae_batch_predictions1_tbl" \
"(batch_id,attribute,item_id,title,long_description," \
"short_description,model_prediction,trusted_prediction) " \
"VALUES" \
" (%s,%s,%s,%s,%s,%s,%s,%s)"
for extracted_attribute in extracted_attribute:
self._session.execute(query, extracted_attribute)
return {"Message": "Insertion Successful"}
def fetch_label_metrics(self, data):
attribute, batch_id = data
query = "select item_id,trusted_prediction,model_prediction from attributeextraction.ae_batch_predictions1_tbl " \
"where attribute='{}' and batch_id='{}'".format(attribute, batch_id)
logger.info('Read query : %s', query)
result = self._session.execute(query)
return result
def create_schema(arguments):
session = Cluster([arguments.host]).connect()
session.execute("USE %s;" % arguments.keyspace)
query = '''CREATE COLUMNFAMILY {columnfamily} (
key text PRIMARY KEY,
color text,
size text,
qty int)'''.format(columnfamily=arguments.columnfamily)
session.execute(query)
def test_custom_raw_row_results_all_types(self):
"""
Test to validate that custom protocol handlers work with varying types of
results
Connect, create a table with all sorts of data. Query the data, make the sure the custom results handler is
used correctly.
@since 2.7
@jira_ticket PYTHON-313
@expected_result custom protocol handler is invoked with various result types
@test_category data_types:serialization
"""
# Connect using a custom protocol handler that tracks the various types the result message is used with.
session = Cluster(protocol_version=PROTOCOL_VERSION).connect(keyspace="custserdes")
session.client_protocol_handler = CustomProtocolHandlerResultMessageTracked
session.row_factory = tuple_factory
colnames = create_table_with_all_types("alltypes", session, 1)
columns_string = ", ".join(colnames)
# verify data
params = get_all_primitive_params(0)
results = session.execute("SELECT {0} FROM alltypes WHERE primkey=0".format(columns_string))[0]
for expected, actual in zip(params, results):
self.assertEqual(actual, expected)
# Ensure we have covered the various primitive types
self.assertEqual(len(CustomResultMessageTracked.checked_rev_row_set), len(PRIMITIVE_DATATYPES)-1)
session.shutdown()
def test_custom_raw_row_results_all_types(self):
"""
Test to validate that custom protocol handlers work with varying types of
results
Connect, create a table with all sorts of data. Query the data, make the sure the custom results handler is
used correctly.
@since 2.7
@jira_ticket PYTHON-313
@expected_result custom protocol handler is invoked with various result types
@test_category data_types:serialization
"""
# Connect using a custom protocol handler that tracks the various types the result message is used with.
session = Cluster(protocol_version=PROTOCOL_VERSION).connect(keyspace="custserdes")
session.client_protocol_handler = CustomProtocolHandlerResultMessageTracked
session.row_factory = tuple_factory
colnames = create_table_with_all_types("alltypes", session, 1)
columns_string = ", ".join(colnames)
# verify data
params = get_all_primitive_params(0)
results = session.execute("SELECT {0} FROM alltypes WHERE primkey=0".format(columns_string))[0]
for expected, actual in zip(params, results):
self.assertEqual(actual, expected)
# Ensure we have covered the various primitive types
self.assertEqual(len(CustomResultMessageTracked.checked_rev_row_set), len(PRIMITIVE_DATATYPES)-1)
session.shutdown()
def insert_data(headers, data):
## Connect to Scylla cluster and create schema
# session = cassandra.cluster.Cluster(SCYLLA_IP).connect()
print("")
print("## Connecting to Scylla cluster -> Creating schema")
session = Cluster(SCYLLA_IP).connect()
session.execute(create_ks)
session.execute(create_t1)
## Connect to Elasticsearch
print("")
print("## Connecting to Elasticsearch -> Creating 'Catalog' index")
es = Elasticsearch(ES_IP)
## Create Elasticsearch index. Ignore 400 = IF NOT EXIST
es.indices.create(index="catalog", ignore=400)
## Non-prepared CQL statement
#cql = "INSERT INTO catalog.apparel(sku,brand,group,sub_group,color,size,gender) VALUES(%(sku)s,%(brand)s,%(group)s,%(sub_group)s,%(color)s,%(size)s,%(gender)s)"
## Prepared CQL statement
print("")
print("## Preparing CQL statement")
cql = "INSERT INTO catalog.apparel (sku,brand,group,sub_group,color,size,gender) VALUES (?,?,?,?,?,?,?) using TIMESTAMP ?"
cql_prepared = session.prepare(cql)
cql_prepared.consistency_level = ConsistencyLevel.ONE if random.random(
) < 0.2 else ConsistencyLevel.QUORUM
print("")
print("## Insert csv content into Scylla and Elasticsearch")
for d in data:
# See if we need to add code to wait for the ack. This should be synchronous.
# Also, might need to switch to prepared statements to set the consistency level for sync requests.
session.execute(cql_prepared, d)
res = es.index(index="catalog",
doc_type="apparel",
id=d["sku"],
body=d)
## After all the inserts, make a refresh, just in case
print("")
print("## Inserts completed, refreshing index")
es.indices.refresh(index="catalog")
print("")
def read_inserts_at_level(self, proto_ver):
session = Cluster(protocol_version=proto_ver).connect(self.keyspace_name)
try:
results = session.execute('select * from t')[0]
self.assertEqual("[SortedSet([1, 2]), SortedSet([3, 5])]", str(results.v))
results = session.execute('select * from u')[0]
self.assertEqual("SortedSet([[1, 2], [3, 5]])", str(results.v))
results = session.execute('select * from v')[0]
self.assertEqual("{SortedSet([1, 2]): [1, 2, 3], SortedSet([3, 5]): [4, 5, 6]}", str(results.v))
results = session.execute('select * from w')[0]
self.assertEqual("typ(v0=OrderedMapSerializedKey([(1, [1, 2, 3]), (2, [4, 5, 6])]), v1=[7, 8, 9])", str(results.v))
finally:
session.cluster.shutdown()
def initialize_connection(self): session = Cluster(contact_points=[self.host], port=self.port).connect(keyspace=self.keyspace) session.row_factory = panda_factory query = "SELECT epoch_time, post_count, byte_transfer, get_count, requests, visits FROM "+self.source DataFrame = session.execute(query).sort(columns=['epoch_time', 'post_count', 'byte_transfer', 'get_count', 'requests', 'visits'], ascending=[1,0,0,0,0,0]) process = retrieve_insert(DataFrame, session, self.dest) # create instance for the class retrieve_insert process.retrieve_variables() return 1
def __init__(self, nodes):
"""Establishes a connection to the ScyllaDB database, creates the "wdm" keyspace if it does not exist
and creates or updates the users table.
"""
while True:
try:
session = Cluster(contact_points=nodes).connect()
break
except Exception:
sleep(1)
session.execute("""
CREATE KEYSPACE IF NOT EXISTS wdm
WITH replication = { 'class': 'SimpleStrategy', 'replication_factor': '3' }
""")
session.default_consistency_level = ConsistencyLevel.QUORUM
connection.setup(nodes, "wdm")
sync_table(Payments)
def main():
logging.basicConfig(level=logging.INFO)
logging.info("Using table: %s,%s", KEYSPACE, TABLE)
session = Cluster(["127.0.0.1"]).connect(KEYSPACE)
validators = {}
for val in TYPES:
logger.info("Creating table for '%s'", val)
session.execute("CREATE TABLE {} (key int primary key, value {})"
.format(TABLE, val))
row = session.execute("SELECT * FROM system.schema_columns WHERE "
"keyspace_name = '{}' AND columnfamily_name = "
"'{}' AND column_name = 'value'"
.format(KEYSPACE, TABLE))[0]
validator = row.validator
logging.info("validator for '%s' = '%s'", val, validator)
logger.info("Dropping table...")
session.execute("DROP TABLE {}".format(TABLE))
validators[val] = validator
print json.dumps(validators, indent=1, sort_keys=True)
def main(keyspace, output_keyspace):
# connecting to keyspace
session = Cluster(cluster_seeds).connect(output_keyspace)
# loading orders table
orders = load_table(keyspace, 'orders').cache()
orders = orders.registerTempTable('orders')
# loading lineitem table
line_item = load_table(keyspace, 'lineitem')
line_item.registerTempTable('lineitem')
# loading part table
part = load_table(keyspace, 'part')
part.registerTempTable('part')
# Creating orders_parts table if it doesn't exist and truncating all rows befor loading
create_statement = 'CREATE TABLE IF NOT EXISTS orders_parts (orderkey int,custkey int,orderstatus text,totalprice decimal,orderdate date,order_priority text,clerk text,ship_priority int,comment text,part_names set<text>, PRIMARY KEY (orderkey));'
session.execute(create_statement)
truncate_statemet = 'TRUNCATE orders_parts;'
session.execute(truncate_statemet)
# Joining all three tables to get desired output
join_statement = 'SELECT o.orderkey, p.name FROM orders o JOIN lineitem l ON o.orderkey==l.orderkey JOIN part p ON p.partkey == l.partkey'
join_result = spark.sql(join_statement)
# group by order key and get the associated partnames as a set
result = join_result.groupBy(join_result['o.orderkey']).agg(
functions.collect_set(join_result['p.name'])).withColumnRenamed(
"collect_set(name)",
"part_names").orderBy(join_result['o.orderkey'],
ascending=True).cache()
result.registerTempTable('order_part')
# Finally join orders table and order_part table
final = spark.sql(
"SELECT a.*, b.part_names FROM orders a JOIN order_part b ON (a.orderkey = b.orderkey) order by a.orderkey asc"
)
# Write it into cassandra table
final.write.format("org.apache.spark.sql.cassandra").options(
table='orders_parts', keyspace=output_keyspace).save()
def load(datafile, ks_name, table_name):
with open(datafile) as f:
reader = csv.reader(f)
session = Cluster().connect()
header = reader.next()
stmt = (
"INSERT INTO {ks}.{tab} ({header_spec}) VALUES ({qs});").format(
ks=ks_name,
tab=table_name,
header_spec=', '.join(header),
qs=', '.join(['?' for _ in header]))
print('preparing "{stmt}"'.format(stmt=stmt), file=sys.stderr)
prepared = session.prepare(stmt)
data = csv_handle_to_nested_list(reader)
print('About to load {n} rows'.format(n=len(data)))
for row in data:
session.execute(prepared, row)
def test_custom_raw_uuid_row_results(self):
"""
Test to validate that custom protocol handlers work with raw row results
Connect and validate that the normal protocol handler is used.
Re-Connect and validate that the custom protocol handler is used.
Re-Connect and validate that the normal protocol handler is used.
@since 2.7
@jira_ticket PYTHON-313
@expected_result custom protocol handler is invoked appropriately.
@test_category data_types:serialization
"""
# Ensure that we get normal uuid back first
session = Cluster(protocol_version=PROTOCOL_VERSION).connect(
keyspace="custserdes")
session.row_factory = tuple_factory
result_set = session.execute("SELECT schema_version FROM system.local")
result = result_set.pop()
uuid_type = result[0]
self.assertEqual(type(uuid_type), uuid.UUID)
# use our custom protocol handlder
session.client_protocol_handler = CustomTestRawRowType
session.row_factory = tuple_factory
result_set = session.execute("SELECT schema_version FROM system.local")
result = result_set.pop()
raw_value = result.pop()
self.assertTrue(isinstance(raw_value, binary_type))
self.assertEqual(len(raw_value), 16)
# Ensure that we get normal uuid back when we re-connect
session.client_protocol_handler = ProtocolHandler
result_set = session.execute("SELECT schema_version FROM system.local")
result = result_set.pop()
uuid_type = result[0]
self.assertEqual(type(uuid_type), uuid.UUID)
session.shutdown()
def setUp(self):
temp = Cluster(['127.0.0.1']).connect()
temp.execute('''
CREATE KEYSPACE IF NOT EXISTS %s
WITH REPLICATION = {
'class' : 'SimpleStrategy',
'replication_factor' : 1 };
''' % (self.keyspace))
temp = Cluster(['127.0.0.1']).connect(self.keyspace)
temp.execute('''
DROP TABLE IF EXISTS superdupertable;
''')
temp.execute('''
CREATE TABLE IF NOT EXISTS superdupertable (
uid UUID,
name text,
body text,
last_change timestamp,
PRIMARY KEY (uid, last_change)
);
''')
self.cass = CassandraSync(self.keyspace)
temp = Elasticsearch()
temp.indices.create(
self.index_name,
{"settings": {"number_of_shards": 2, "number_of_replicas": 1}},
ignore=400)
self.elas = ElasticSync(self.index_name)
def test_patch_unpatch(self):
# Test patch idempotence
patch()
patch()
tracer = get_dummy_tracer()
Pin.get_from(Cluster).clone(tracer=tracer).onto(Cluster)
session = Cluster(port=CASSANDRA_CONFIG['port']).connect(self.TEST_KEYSPACE)
session.execute(self.TEST_QUERY)
spans = tracer.writer.pop()
assert spans, spans
eq_(len(spans), 1)
# Test unpatch
unpatch()
session = Cluster(port=CASSANDRA_CONFIG['port']).connect(self.TEST_KEYSPACE)
session.execute(self.TEST_QUERY)
spans = tracer.writer.pop()
assert not spans, spans
# Test patch again
patch()
Pin.get_from(Cluster).clone(tracer=tracer).onto(Cluster)
session = Cluster(port=CASSANDRA_CONFIG['port']).connect(self.TEST_KEYSPACE)
session.execute(self.TEST_QUERY)
spans = tracer.writer.pop()
assert spans, spans
def test_custom_raw_uuid_row_results(self):
"""
Test to validate that custom protocol handlers work with raw row results
Connect and validate that the normal protocol handler is used.
Re-Connect and validate that the custom protocol handler is used.
Re-Connect and validate that the normal protocol handler is used.
@since 2.7
@jira_ticket PYTHON-313
@expected_result custom protocol handler is invoked appropriately.
@test_category data_types:serialization
"""
# Ensure that we get normal uuid back first
session = Cluster().connect()
session.row_factory = tuple_factory
result_set = session.execute("SELECT schema_version FROM system.local")
result = result_set.pop()
uuid_type = result[0]
self.assertEqual(type(uuid_type), uuid.UUID)
# use our custom protocol handlder
session.client_protocol_handler = CustomTestRawRowType
session.row_factory = tuple_factory
result_set = session.execute("SELECT schema_version FROM system.local")
result = result_set.pop()
raw_value = result.pop()
self.assertTrue(isinstance(raw_value, binary_type))
self.assertEqual(len(raw_value), 16)
# Ensure that we get normal uuid back when we re-connect
session.client_protocol_handler = ProtocolHandler
result_set = session.execute("SELECT schema_version FROM system.local")
result = result_set.pop()
uuid_type = result[0]
self.assertEqual(type(uuid_type), uuid.UUID)
session.shutdown()
def test_patch_unpatch(self):
# Test patch idempotence
patch()
patch()
tracer = get_dummy_tracer()
Pin.get_from(Cluster).clone(tracer=tracer).onto(Cluster)
session = Cluster(port=CASSANDRA_CONFIG['port']).connect(self.TEST_KEYSPACE)
session.execute(self.TEST_QUERY)
spans = tracer.writer.pop()
assert spans, spans
eq_(len(spans), 1)
# Test unpatch
unpatch()
session = Cluster(port=CASSANDRA_CONFIG['port']).connect(self.TEST_KEYSPACE)
session.execute(self.TEST_QUERY)
spans = tracer.writer.pop()
assert not spans, spans
# Test patch again
patch()
Pin.get_from(Cluster).clone(tracer=tracer).onto(Cluster)
session = Cluster(port=CASSANDRA_CONFIG['port']).connect(self.TEST_KEYSPACE)
session.execute(self.TEST_QUERY)
spans = tracer.writer.pop()
assert spans, spans
class CassandraConnector(object):
"""
Handles exporting data from Cassandra to Neo4j
using CSV as intermediary
"""
def __init__(self,
keyspace_name,
tables=None,
schema_file=None,
queries=None):
self.KEYSPACE = keyspace_name
self.session = Cluster().connect(self.KEYSPACE)
self.keyspace_metadata = self.session.cluster.metadata.keyspaces[
self.KEYSPACE]
self.tables = tables
self.schema_file = schema_file
def getTables(self):
if self.tables:
return self.tables
else:
return self.session.cluster.metadata.keyspaces[
self.KEYSPACE].tables.keys()
def getColumnsForTable(self, table):
return self.session.cluster.metadata.keyspaces[
self.KEYSPACE].tables[table].columns.keys()
def parse(self):
keyspace = self.session.cluster.metadata.keyspaces[self.KEYSPACE]
parser = SchemaParser(keyspace.export_as_string())
parser.parse()
sys.exit("Generated schema.yaml file.")
def export(self):
tableNames = self.getTables()
fileNames = [t + "_results.csv" for t in tableNames]
for t in tableNames:
results_file = codecs.open(t + "_results.csv",
encoding='utf-8',
mode='w+')
rows = self.session.execute('SELECT * FROM ' + t)
writer = csv.writer(results_file)
writer.writerow(self.getColumnsForTable(t))
writer.writerows([(e for e in row) for row in rows])
cypher_queries_gen = CypherQueriesGenerator(self.keyspace_metadata,
schema_file)
cypher_queries_gen.generate()
cypher_queries_gen.build_queries(tableNames, fileNames)
def insert_cassandra(self, session, source, country, country_count):
query = "SELECT id FROM main_count"
print query
session2 = Cluster(contact_points=[self.host], port=self.port).connect(keyspace=self.keyspace)
session2.default_timeout = 100
data = session2.execute(query)
for row in data:
uid = row[0]
# retrieving the id from the source table and updating the country_count (list) and country (list) columns
print len(country), len(country_count)
session.execute("UPDATE "+source+" SET country=%s, country_count=%s WHERE id=%s", parameters=[country, country_count, uid])
return 1
def run_inserts_at_version(self, proto_ver):
session = Cluster(protocol_version=proto_ver).connect(self.keyspace_name)
try:
p = session.prepare('insert into t (k, v) values (?, ?)')
session.execute(p, (0, [{1, 2}, {3, 5}]))
p = session.prepare('insert into u (k, v) values (?, ?)')
session.execute(p, (0, {(1, 2), (3, 5)}))
p = session.prepare('insert into v (k, v, v1) values (?, ?, ?)')
session.execute(p, (0, {(1, 2): [1, 2, 3], (3, 5): [4, 5, 6]}, (123, 'four')))
p = session.prepare('insert into w (k, v) values (?, ?)')
session.execute(p, (0, ({1: [1, 2, 3], 2: [4, 5, 6]}, [7, 8, 9])))
finally:
session.cluster.shutdown()
def get_todays_tweet(self):
word_data, sorted_by_loc = {}, []
timestamp = datetime.utcnow().strftime('%y') + datetime.utcnow(
).strftime('%m') + datetime.utcnow().strftime(
'%d') + datetime.utcnow().strftime('%H')
cassandra = Cluster([
config.get("cassandra.host1"),
config.get("cassandra.host2"),
config.get("cassandra.host3")
]).connect('insight')
tweeted_words = cassandra.execute(self.QUERY_TODAYS_TWEET % timestamp)
# tweeted_words = self.CASSANDRA.execute(self.QUERY_TODAYS_TWEET % '15020221')
# for (yymmddhh, timestamp, data, lat, lng) in tweeted_words:
for (yymmddhh, location, string, data, timestamp) in tweeted_words:
if location not in word_data:
word_data[location] = {}
for word, count in data.iteritems():
word = word.encode("utf-8")
if word not in word_data[location]:
word_data[location][word] = count
else:
word_data[location][word] += count
for location in word_data:
# In place sort by number of words in desc order
sorted_by_loc = sorted(word_data[location].items(),
key=operator.itemgetter(1))
sorted_by_loc.reverse()
# Re-enter sorted data
word_data[location] = {}
for word_pair in sorted_by_loc:
word = word_pair[0]
count = word_pair[1]
word_data[location][word] = count
return word_data
class Searcher:
start = 0
def __init__(self,name):
self.filename = mapper[name][search]
Searcher.start = datetime.now()
self.log1 = getLogger('time', 'search_time.log')
self.log2 = getLogger('result', 'search_result.log')
self.log2.info('## connecting to cassandra cluster')
self.session = Cluster(DSE_IP).connect()
cql = "SELECT * FROM reddit.comment WHERE solr_query=?"
self.solr_query = '{{"q":"body:*{0}*"}}'
self.cql_prepared = self.session.prepare(cql)
self.cql_prepared.consistency_level = ConsistencyLevel.ONE
def search(self):
counter = 0
with open(self.filename, 'r', encoding='utf-8') as f:
for counter,line in enumerate(f):
try:
line = line.strip('\n')
if counter%100 == 0:
self.log1.info(str(counter))
if counter%1000 == 0:
self.log1.info('{}'.format(datetime.now()- Searcher.start))
self.log1.info('')
self.log2.info('({})'.format(line))
# format query body
data = self.solr_query.format(line)
res = self.session.execute(self.cql_prepared,[data],timeout=60000)
self.log2.info(res[0])
except Exception as e:
self.log2.warn(e)
self.log1.info('total time:{}'.format(datetime.now() - Searcher.start))
def get_user_timeline(user: str, db_session: Cluster):
"""
Retrieve the 20 most recent photos from a user's timeline
User timelines are stored in table home_status_updates
Arguments:
user: Username to retrieve
db_session: Cassandra instance
Returns:
20 most recent database records
"""
sql_query = f"""
SELECT *
FROM home_status_updates
WHERE timeline_username = '******' limit 20;"""
timeline = db_session.execute(sql_query)
return timeline
class CassandraConnector(object):
"""
Handles exporting data from Cassandra to Neo4j
using CSV as intermediary
"""
def __init__(self, keyspace_name, tables=None, schema_file=None, queries=None):
self.KEYSPACE = keyspace_name
self.session = Cluster().connect(self.KEYSPACE)
self.keyspace_metadata = self.session.cluster.metadata.keyspaces[self.KEYSPACE]
self.tables = tables
self.schema_file = schema_file
def getTables(self):
if self.tables:
return self.tables
else:
return self.session.cluster.metadata.keyspaces[self.KEYSPACE].tables.keys()
def getColumnsForTable(self, table):
return self.session.cluster.metadata.keyspaces[self.KEYSPACE].tables[table].columns.keys()
def parse(self):
keyspace = self.session.cluster.metadata.keyspaces[self.KEYSPACE]
parser = SchemaParser(keyspace.export_as_string())
parser.parse()
sys.exit("Generated schema.yaml file.")
def export(self):
tableNames = self.getTables()
fileNames = [t + "_results.csv" for t in tableNames]
for t in tableNames:
results_file = codecs.open(t + "_results.csv", encoding='utf-8', mode='w+')
rows = self.session.execute('SELECT * FROM ' + t)
writer = csv.writer(results_file)
writer.writerow(self.getColumnsForTable(t))
writer.writerows([(e for e in row) for row in rows])
cypher_queries_gen = CypherQueriesGenerator(self.keyspace_metadata, schema_file)
cypher_queries_gen.generate()
cypher_queries_gen.build_queries(tableNames, fileNames)
def get_todays_tweet(self):
word_data, sorted_by_loc = {}, []
timestamp = datetime.utcnow().strftime('%y') + datetime.utcnow().strftime('%m') + datetime.utcnow().strftime('%d') + datetime.utcnow().strftime('%H')
cassandra = Cluster([config.get("cassandra.host1"), config.get("cassandra.host2"), config.get("cassandra.host3")]).connect('insight')
tweeted_words = cassandra.execute(self.QUERY_TODAYS_TWEET % timestamp)
# tweeted_words = self.CASSANDRA.execute(self.QUERY_TODAYS_TWEET % '15020221')
# for (yymmddhh, timestamp, data, lat, lng) in tweeted_words:
for (yymmddhh, location, string, data, timestamp) in tweeted_words:
if location not in word_data:
word_data[location] = {}
for word, count in data.iteritems():
word = word.encode("utf-8")
if word not in word_data[location]:
word_data[location][word] = count
else:
word_data[location][word] += count
for location in word_data:
# In place sort by number of words in desc order
sorted_by_loc = sorted(word_data[location].items(), key=operator.itemgetter(1))
sorted_by_loc.reverse()
# Re-enter sorted data
word_data[location] = {}
for word_pair in sorted_by_loc:
word = word_pair[0]
count = word_pair[1]
word_data[location][word] = count
return word_data
def initialize_connection(self):
session = Cluster(contact_points=[self.host], port=self.port).connect(keyspace=self.keyspace)
session.default_timeout = 100
query = "SELECT host, id FROM "+self.table
statement = SimpleStatement(query)
getdata = session.execute(statement)
hosts, id_val, count = [], [], 0
count_list = {}
for data in getdata:
value = str(data[0]).strip()
id_val.append(data[1])
if value.find(',') == -1:
hosts.append(value)
else:
hosts.append(value.split(",")[0])
count += 1
print count
#create instance for the class retrieve_location
process = retrieve_location()
# function calls
count_list = process.get_location(session, self.table, hosts, id_val)
self.insert_cassandra(session, self.source, count_list.keys(), count_list.values())
return 1
def main(input_keyspace, output_keyspace):
session = Cluster(cluster_seeds).connect()
session.execute(
"CREATE KEYSPACE IF NOT EXISTS %s WITH replication = { 'class': 'SimpleStrategy', 'replication_factor': 2}"
% output_keyspace)
session.set_keyspace(output_keyspace)
session.execute("CREATE TABLE IF NOT EXISTS orders_parts ("
"orderkey int, "
"custkey int, "
"orderstatus text, "
"totalprice decimal, "
"orderdate date, "
"order_priority text, "
"clerk text, "
"ship_priority int, "
"comment text, "
"part_names set<text>, "
"PRIMARY KEY (orderkey))")
session.execute('TRUNCATE orders_parts')
session.shutdown()
df_part = spark.read.format("org.apache.spark.sql.cassandra").options(
table='part', keyspace=input_keyspace).load()
df_orders = spark.read.format("org.apache.spark.sql.cassandra").options(
table='orders', keyspace=input_keyspace).load().cache()
df_lineitem = spark.read.format("org.apache.spark.sql.cassandra").options(
table='lineitem', keyspace=input_keyspace).load()
joined_df = df_orders.join(df_lineitem,
df_orders.orderkey == df_lineitem.orderkey)
final_joined_df = joined_df.join(df_part,
df_part.partkey == joined_df.partkey)
selected_df = final_joined_df.groupBy(
df_orders['orderkey'], 'totalprice').agg(
functions.collect_set(
df_part['name']).alias('part_names')).drop('totalprice')
output_df = selected_df.join(df_orders, "orderkey")
output_df.write.format("org.apache.spark.sql.cassandra").options(
table="orders_parts", keyspace=output_keyspace).save()
def setUp(self):
temp = Cluster(['127.0.0.1']).connect()
temp.execute('''
CREATE KEYSPACE IF NOT EXISTS %s
WITH REPLICATION = {
'class' : 'SimpleStrategy',
'replication_factor' : 1 };
''' % (self.keyspace))
temp = Cluster(['127.0.0.1']).connect(self.keyspace)
temp.execute('''
DROP TABLE IF EXISTS superdupertable;
''')
temp.execute('''
CREATE TABLE IF NOT EXISTS superdupertable (
uid UUID,
name text,
body text,
last_change timestamp,
PRIMARY KEY (uid, last_change)
);
''')
self.cass = CassandraSync(self.keyspace)
def insert_data():
from cassandra.cluster import Cluster
from cassandra import AlreadyExists
# Conexion al cluster de Cassandra al keyspace "test"
session = Cluster([
'192.168.101.140', '192.168.101.141', '192.168.101.142',
'192.168.101.143'
]).connect("test")
try:
# Primero crea la tabla
session.execute("CREATE TABLE test1 (id int PRIMARY KEY, col1 text)")
# Inserta datos
insertar = session.prepare(
"INSERT INTO test1 (id, col1) VALUES (?, ?)")
for i in range(10):
session.execute(insertar, (i, 'hola' + str(i)))
print(i)
except AlreadyExists:
# Inserta datos a la tabla ya existente
insertar = session.prepare(
"INSERT INTO test1 (id, col1) VALUES (?, ?)")
for i in range(10):
session.execute(insertar, (i, 'hola' + str(i)))
print(i)
def main(input_dir, keyspace_name, table_name):
rdd = sc.textFile(input_dir)
preprocess_rdd = rdd.map(lambda line: preprocess(line))
cleaned_rdd = preprocess_rdd.filter(lambda x: x is not None)
schema = "id STRING, host STRING, datetime TIMESTAMP, path STRING, bytes INT"
# sch = ['id', 'host', 'datetime', 'path', 'bytes']
df = spark.createDataFrame(data=cleaned_rdd, schema=schema)
session = Cluster(cluster_seeds).connect()
session.execute(
"CREATE KEYSPACE IF NOT EXISTS " + keyspace_name +
" WITH REPLICATION={'class':'SimpleStrategy', 'replication_factor':2}")
session.set_keyspace(keyspace_name)
session.execute("DROP TABLE IF EXISTS " + keyspace_name + "." + table_name)
session.execute(
"CREATE TABLE IF NOT EXISTS " + table_name +
" (id UUID, host TEXT, datetime TIMESTAMP, path TEXT, bytes INT, PRIMARY KEY (host, id))"
)
# session.execute("TRUNCATE "+table_name)
session.shutdown()
df.write.format("org.apache.spark.sql.cassandra").options(
table=table_name, keyspace=keyspace_name).save()
class CassandraService:
def __init__(self, keyspace='data'):
self.session = Cluster().connect(keyspace)
self.user_insert_stmt = self.prepare_user_insert_statement()
self.tweet_insert_stmt = self.prepare_tweet_insert_statement()
self.exception_insert_stmt = self.prepare_exception_insert_statement()
def save_user(self, user: User):
self.session.execute(self.user_insert_stmt, vars(user))
def save_tweet(self, tweet: Tweet):
self.session.execute(self.tweet_insert_stmt, vars(tweet))
def save_exception(self, exception_data: dict):
self.session.execute(self.exception_insert_stmt, exception_data)
def prepare_user_insert_statement(self):
return self.session.prepare("""
INSERT INTO pronbots_2019 (id, captured_at, created_at, description, entities, favourites_count,
followers_count, following_count, friends_count, listed_count, name, pinned_tweet_id, profile_image_url,
protected, tweets_count, url, user_name)
VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
""")
def prepare_tweet_insert_statement(self):
return self.session.prepare("""
INSERT INTO pronbots_2019_tweets (id, captured_at, created_at, user_id, timezone, content, link, retweet,
mentions, urls, photos, video, lang, replies_count, retweets_count, likes_count, hashtags, cashtags)
VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
""")
def prepare_exception_insert_statement(self):
return self.session.prepare("""
INSERT INTO pronbots_2019_exceptions (user, exception)
VALUES (?, ?)
""")
def current_time():
return (datetime.now() - datetime(1970, 1, 1)).total_seconds()
for lines in args.lines:
for columns in args.columns:
initial_size = 0
print("Deleting previous data")
try:
subprocess.check_output("rm " + args.queue_dir + " -R", shell=True)
except subprocess.CalledProcessError:
pass
try:
session = Cluster(['localhost']).connect('kairosdb')
session.default_timeout = 1200
session.execute('drop keyspace kairosdb;')
print("Data deleted.")
except NoHostAvailable:
print("No previous data exists. Skipping delete.")
print("Starting Kairosdb")
kairos = subprocess.Popen([args.kairos_path, "run"],
stderr=subprocess.DEVNULL,
stdout=subprocess.DEVNULL)
time.sleep(4)
while True:
try:
subprocess.check_output("curl localhost:8080",
shell=True,
stderr=subprocess.DEVNULL)
except subprocess.CalledProcessError:
print("Kairos is not ready yet. Checking again in 2 seconds.")
def __str__(self):
# just extracting request count from the size stats (which are recorded on all requests)
request_sizes = dict(self.requests)
count = request_sizes.pop('count')
return "%d requests (%d errors)\nRequest size statistics:\n%s" % (
count, self.errors, pp.pformat(request_sizes))
# connect a session
session = Cluster().connect()
# attach a listener to this session
ra = RequestAnalyzer(session)
session.execute("SELECT release_version FROM system.local")
session.execute("SELECT release_version FROM system.local")
print(ra)
# 2 requests (0 errors)
# Request size statistics:
# { '75percentile': 74,
# '95percentile': 74,
# '98percentile': 74,
# '999percentile': 74,
# '99percentile': 74,
# 'max': 74,
# 'mean': 74.0,
# 'median': 74.0,
# 'min': 74,
# 'stddev': 0.0}
class CassandraESSync:
mappings = []
cassandra_nodes = []
cassandra_keyspace = None
cassandra_cfs = []
es_nodes = []
es_index = None
es_types = []
cassandra_client = None
es_client = None
last_synced = {'cassandra': {}, 'es': {} } # stores the last time each cf and index were synced, to avoid unnecessary queries
def __init__(self, config):
self.mappings = config["mappings"]
self.cassandra_nodes = config['cassandra']['nodes']
self.cassandra_keyspace = config['cassandra']['keyspace']
self.cassandra_cfs = config['cassandra']['column_families']
self.es_nodes = config['elasticsearch']['nodes']
self.es_index = config['elasticsearch']['index']
self.es_types = config['elasticsearch']['types']
self.cassandra_client = Cluster().connect(self.cassandra_keyspace)
self.es_client = elasticsearch.Elasticsearch()
def sync_databases(self):
for mapping in self.mappings:
cassandra_cf, es_type = mapping
self.sync_cf_type(cassandra_cf, es_type)
def sync_cf_type(self, cassandra_cf, es_type):
cf_id_column = self.cassandra_cfs[cassandra_cf]['id'] # column storing the document's uid
cf_timestamp_column = self.cassandra_cfs[cassandra_cf]['timestamp'] # column storing the document's timestamp
index_id_column = self.es_types[es_type]['id'] # column storing the document's timestamp
index_timestamp_column = self.es_types[es_type]['timestamp'] # column storing the document's timestamp
cf_data_fields = self.cassandra_cfs[cassandra_cf]['columns']
cf_fields = [cf_id_column, cf_timestamp_column] + cf_data_fields
type_data_fields = self.es_types[es_type]['columns']
if cassandra_cf in self.last_synced['cassandra']:
cf_start_time, cf_end_time = self.last_synced['cassandra'][cassandra_cf], time.time()
else:
cf_start_time, cf_end_time = None, None
if es_type in self.last_synced['es']:
index_start_time, index_end_time = self.last_synced['es'][es_type], time.time()
else:
index_start_time, index_end_time = None, None
cassandra_data_query = 'SELECT %s, %s FROM %s' % (cf_id_column, cf_timestamp_column, cassandra_cf)
range_filter = {}
if index_start_time and index_end_time:
range_filter = self.get_es_range_filter(index_timestamp_column, index_start_time, index_end_time)
self.cassandra_client.set_keyspace(self.cassandra_keyspace)
cassandra_data = self.cassandra_client.execute(cassandra_data_query)
self.last_synced['cassandra'][cassandra_cf] = time.time()
es_data = [] #self.es_client.search(index=self.es_index, doc_type=es_type, fields=[index_id_column, index_timestamp_column], body=range_filter)
es_scan = scan(self.es_client, index=self.es_index, doc_type=es_type, fields=[index_id_column, index_timestamp_column], query=range_filter)
self.last_synced['es'][es_type] = time.time()
for data in es_scan:
es_data.append(data)
all_data = {}
ids_to_insert_on_cassandra = []
ids_to_update_on_cassandra = []
ids_to_insert_on_es = []
ids_to_update_on_es = []
# because we cant make a range query on a non-primary key on cassandra, we have to retrieve it all, and then check for the timestamp by hand.
for document in cassandra_data:
doc_id, doc_timestamp = str(document[0]), int(calendar.timegm(document[1].utctimetuple()))
if not(cf_start_time and cf_end_time):
all_data[doc_id] = [doc_timestamp, None]
elif cf_start_time and cf_end_time and doc_timestamp >= cf_start_time and doc_timestamp <= cf_end_time: #
all_data[doc_id] = [doc_timestamp, None]
for document in es_data:
if "fields" in document:
if index_id_column == '_id': # special case - is not inside fields. there must be a better way to do this ;(
doc_id, doc_timestamp = document[index_id_column], int(document['fields'][index_timestamp_column][0])
else:
doc_id, doc_timestamp = document['fields'][index_id_column], int(document['fields'][index_timestamp_column][0])
if doc_id in all_data:
all_data[doc_id][1] = doc_timestamp
else:
all_data[doc_id] = [None, doc_timestamp]
for uid in all_data:
cassandra_ts, es_ts = all_data[uid]
if cassandra_ts and es_ts:
if cassandra_ts > es_ts: # same id, cassandra is the most recent. update that data on es.
ids_to_update_on_es.append(uid)
elif es_ts > cassandra_ts: # same id, es is the most recent. update that data on cassandra.
ids_to_update_on_cassandra.append(uid)
elif cassandra_ts: # present only on cassandra. add to es.
ids_to_insert_on_es.append(uid)
elif es_ts: #present only on es. add to cassandra.
ids_to_insert_on_cassandra.append(uid)
if ids_to_insert_on_es or ids_to_update_on_es:
actions = []
from_cassandra_to_es = self.get_cassandra_documents_by_id(cassandra_cf, cf_fields, cf_id_column, ids_to_insert_on_es + ids_to_update_on_es)
for document in from_cassandra_to_es:
data = {}
for i in range(len(cf_data_fields)):
data[type_data_fields[i]] = getattr(document, cf_data_fields[i])
actions.append(self.get_es_bulk_action(es_type, index_id_column, getattr(document, cf_id_column), index_timestamp_column, getattr(document, cf_timestamp_column), data))
bulk(self.es_client, actions) # send all inserts/updates to es at once
if ids_to_insert_on_cassandra or ids_to_update_on_cassandra:
batch = BatchStatement()
type_fields = type_data_fields + [index_id_column, index_timestamp_column]
ids_filter = self.get_es_ids_filter(es_type, ids_to_insert_on_cassandra + ids_to_update_on_cassandra)
from_es_to_cassandra = self.es_client.search(index=self.es_index, doc_type=es_type, fields=type_data_fields + [cf_timestamp_column], body=ids_filter)
for document in from_es_to_cassandra['hits']['hits']:
id_value = document[index_id_column] if index_id_column == '_id' else document["fields"][index_id_column] # this makes me a saaaad panda
id_value = id_value
es_data = [UUID(id_value), datetime.datetime.utcfromtimestamp(int(document['fields'][index_timestamp_column][0]))]
for field in type_data_fields:
es_data.append(document['fields'][field][0])
prepared_insert_statement = self.get_prepared_cassandra_insert_statement(cassandra_cf, cf_fields)
prepared_update_statement = self.get_prepared_cassandra_update_statement(cassandra_cf, cf_id_column, cf_fields[1:])
if id_value in ids_to_insert_on_cassandra:
batch.add(prepared_insert_statement, tuple(es_data))
else:
batch.add(prepared_update_statement, tuple(es_data[1:] + [UUID(id_value)]))
self.cassandra_client.execute(batch)
def get_cassandra_documents_by_id(self, cf, fields, id_column, ids):
from_cassandra_to_es_query = "SELECT %s FROM %s WHERE %s IN (%s)" % (",".join(fields), cf, id_column, ",".join(ids))
return self.cassandra_client.execute(from_cassandra_to_es_query)
def get_prepared_cassandra_insert_statement(self, cf, cols):
base_insert_statement = "INSERT INTO %s (%s) VALUES (%s)" % (cf, ",".join(cols), ",".join(["?"] * len(cols)))
return self.cassandra_client.prepare(base_insert_statement)
def get_prepared_cassandra_update_statement(self, cf, id_column, fields):
base_update_statement = "UPDATE %s SET %s WHERE %s = ?" % (cf, ",".join([field + " = ?" for field in fields]), id_column)
return self.cassandra_client.prepare(base_update_statement)
def get_es_range_filter(self, col, start, end):
return {
"filter": {
"range" : {
col: {
"gte" : start,
"lte" : end
}
}
}
}
def get_es_ids_filter(self, es_type, ids):
return {
"filter": {
"ids" : {
"type" : es_type,
"values": ids
}
}
}
def get_es_bulk_action(self, es_type, id_column, id_value, timestamp_column, timestamp_value, data):
if isinstance(timestamp_value, datetime.datetime):
timestamp_value = calendar.timegm(timestamp_value.utctimetuple())
id_value = str(id_value)
timestamp_value = str(timestamp_value)
data[timestamp_column] = timestamp_value
action = {}
action['_index'] = self.es_index
action['_type'] = es_type
action[id_column] = id_value
action['_source'] = data
return action
def _get_system_column_rows(server=None):
server = server or "127.0.0.1"
logging.info("Getting server columns from server: '%s'", server)
session = Cluster([server]).connect()
return session.execute("SELECT * FROM system.schema_columns")
#!/usr/bin/python
# Copyright (C) 2014-2016, National Rural Electric Cooperative Association and Cigital, Inc
from cassandra.cluster import Cluster
session = Cluster(['127.0.0.1']).connect('demo')
for currentRow in session.execute('select content from packet'):
print currentRow[0], '\n'
class Reassembler(Process):
def initCluster(self):
auth_provider = PlainTextAuthProvider(username=cfg.cassandraConfig["user"], password=cfg.cassandraConfig["password"])
self.session = Cluster([cfg.cassandraConfig["host"]], auth_provider=auth_provider).connect(cfg.cassandraConfig["db"])
self.preparedQuery = self.session.prepare("""INSERT into packet (source_addr, dest_addr, time_stamp, content, text_values)
VALUES (?,?,?,?,?)""")
def insertIntoDatabase(self, sourceAddr, destAddr, timeStamp, content, textValues):
args = [sourceAddr, destAddr, timeStamp, content, textValues]
self.session.execute(self.preparedQuery, args)
def __init__(self, ports):
self.ports = []
list = ports.split(',') # split CSV port list arguments
self.ports = map(int,list) # convert ports to int (from string)
self.initCluster()
nids.register_tcp(self.handleTcpStream) # set up call back
def __call__(self): # make a singleton clas
return self
def printableHex(self, buf):
return ' '.join(x.encode('hex') for x in buf)
def handleTcpStream(self, tcp):
end_states = (nids.NIDS_CLOSE, nids.NIDS_TIMEOUT, nids.NIDS_RESET)
logging.debug('tcps - {0} state: {1} timestamp: {2}'.format(str(tcp.addr),tcp.nids_state,nids.get_pkt_ts() * 1000))
if tcp.nids_state == nids.NIDS_JUST_EST:
# new to us, but do we care?
((src, sport), (dst, dport)) = tcp.addr
#if dport in self.ports:
logging.info('collecting: {}'.format(str(tcp.addr)))
tcp.client.collect = 1
tcp.server.collect = 1
elif tcp.nids_state == nids.NIDS_DATA:
tcp.discard(0)
# keep all of the stream's new data
#informs nids how many bytes in the stream to discard
#((src, sport), (dst, dport)) = tcp.addr
#serverData = tcp.server.data[:tcp.server.count]
#clientData = tcp.client.data[:tcp.client.count]
#envelopeRegex = '<soap.*:envelope.*<.*MultiSpeakMsgHeader.*<soap.*:envelope>'
#envelopeRegex2 = '</.+:[Ee]nvelope'
#if serverData is None or clientData is None:
# tcp.discard(0)
#else:
# if "Expect: 100-continue" not in serverData:
# tcp.discard(0)
# else:
# if (re.search(envelopeRegex,serverData,re.S | re.IGNORECASE) and re.search(envelopeRegex2,serverData,re.S | re.IGNORECASE) and re.search(envelopeRegex,clientData,re.S | re.IGNORECASE) and re.search(envelopeRegex2,clientData,re.S | re.IGNORECASE)):
# tcpaddr = ((dst,dport),(src,sport))
# logging.debug( "count_new: {}".format(tcp.server.count_new))
# logging.debug( "offset server: {}".format(tcp.server.offset))
# self.process_ipframe(serverData,tcp.addr,self.timestamp)
#
# logging.debug( "count_new: {}".format(tcp.server.count_new))
# logging.debug( "offset client: {}".format(tcp.client.offset))
# tcpaddr = ((dst,dport),(src,sport)) #flip it around to match our point of view (since this is the client
# self.process_ipframe(clientData,tcpaddr,self.timestamp)
# tcp.discard(tcp.server.count + tcp.client.count)
# else:
# tcp.discard(0)
elif tcp.nids_state in end_states:
((src,sport),(dst,dport)) = tcp.addr
serverData = tcp.server.data[:tcp.server.count]
clientData = tcp.client.data[:tcp.client.count]
#logging.debug("serverData: {0}".format( serverData))
#logging.debug("clientData: {0}".format(clientData))
self.timestamp = nids.get_pkt_ts() * 1000
#Add the MultiSpeakMsgHeader since we observed way too many false positives during
#the virtual field test
envelopeRegex = '<soap.*:envelope.*<.*MultiSpeakMsgHeader.*<soap.*:envelope>'
logging.info("Serv Count: {0} Client Count {1} newc: {2} news: {3}".format(tcp.server.count,tcp.client.count,tcp.client.count_new,tcp.server.count_new))
#Match even if there is a newline since we've observed some payloads with the newline
#print("server is ", tcp.server.data[:tcp.server.count], "client is ", tcp.client.data[:tcp.client.count], "count new is ", tcp.server.count_new)
if serverData is not None:
serverData = serverData.replace("\n","")
if (re.search(envelopeRegex,serverData,re.S | re.IGNORECASE)): #and tcp.server.count_new > 0):
logging.info('full message found in tcp server data')
payload = tcp.server.data[:tcp.server.count]
#tcpaddr = ((dst,dport),(src,sport))
logging.debug( "count_new: {}".format(tcp.server.count_new))
logging.debug( "offset server: {}".format(tcp.server.offset))
self.process_ipframe(payload,tcp.addr,self.timestamp)
tcp.discard(tcp.server.count)
elif "multispeak" in serverData.lower():
logging.warning("multispeak serverData but envelope failed: {}".format(serverData))
if clientData is not None:
clientData = clientData.replace("\n","")
if (re.search(envelopeRegex,clientData, re.S | re.IGNORECASE)):
logging.info('full message found in tcp client data')
tcpaddr = ((dst,dport),(src,sport)) #flip it around to match our point of view (since this is the client
payload = tcp.client.data[:tcp.client.count]
logging.debug("count_new client: {}".format(tcp.client.count_new))
logging.debug( "offset client: {}".format(tcp.client.offset))
self.process_ipframe(payload,tcpaddr,self.timestamp) #modified tcpaddr
tcp.discard(tcp.client.count)
elif "multispeak" in clientData.lower():
logging.warning("multispeak clientData but envelope failed: {}".format(clientData))
logging.debug( "addr: {}".format(tcp.addr))
logging.debug( "To server:")
logging.debug( "bytes {}".format(str(tcp.server.count)))
logging.debug( "To client:")
logging.debug( "bytes: {}".format(str(tcp.client.count)))
def process_ipframe(self,frame,tcpaddr, timestamp):
# note that we are no longer checking source IP addresses
# so we could be processing frames from other ips if not filtered
# before this point
cleansedFrame = frame.replace("\n","").replace("\r","").replace("\t","")
envelopeRegex = '</.+:[Ee]nvelope'
match = re.search(envelopeRegex,cleansedFrame)
if match:
((src, sport),(dst,dport)) = tcpaddr
#try to find the endpoint type from POST Request
endpointRegex = '(?<=POST\s).*(?=\sHTTP)' # looks for POST and HTTP, and matches the URL
match = re.search(endpointRegex,cleansedFrame, re.IGNORECASE)
if match is not None:
URLsplit = cleansedFrame[match.start():match.end()].split('/') # [foo,QA_SERVER]
endpointCodeSplit = URLsplit[-1].split('_') # [QA,SERVER]
endpointCode = endpointCodeSplit[0] # QA
logging.debug("parsed MS endpoint code: {}".format(endpointCode))
else:
endpointCode = 'NULL'
logging.warning("Unable to parse endpoint code from header")
#get the version from the SOAPAction http header
versionRegex = '(?<=SOAPAction:\s"http:\/\/www.multispeak.org\/Version_).'
match = re.search(versionRegex,cleansedFrame, re.IGNORECASE)
mspVersion = 'NULL'
if match is not None:
mspVersion = cleansedFrame[match.start()]
if (mspVersion != '3' and mspVersion != '5'):
mspVersion = 'NULL'
else:
versionRegex2 = '(?<=SOAPAction:\shttp:\/\/www.multispeak.org\/Version_).' # uses lookbehind to extract only version num
match2 = re.search(versionRegex2, cleansedFrame, re.IGNORECASE)
if match2 is not None:
mspVersion = cleansedFrame[match2.start()]
if (mspVersion != '3' and mspVersion != '5'):
mspVersion = 'NULL'
else:
versionRegex3 = '<MultiSpeakMsgHeader[^>]* Version="(\d)\.'
match3 = re.search(versionRegex3, cleansedFrame, re.IGNORECASE)
if match3 is not None:
mspVersion = match3.group(1)
if (mspVersion != '3' and mspVersion != '5'):
mspVersion = 'NULL'
# messageNameRegex = '(<[\w:]*[Bb]ody>)(\s*)(<)(?P<MsgName>[\w|:]+)'
messageNameRegex = '(<([\w-]+:)?body>)(\s*)(<)(([\w-]+:)?)(?P<MsgName>\w*)'
match = re.search(messageNameRegex,cleansedFrame, re.IGNORECASE)
if match is not None:
messageName = match.group('MsgName').split(':')[-1]
text_values = {'endpoint':endpointCode,'messagetype':messageName,'mspVersion':mspVersion}
logging.debug( "text values: {}".format(text_values))
self.insertIntoDatabase(src, dst, timestamp, frame, text_values)
print("inserted packet")
else:
print("MsgName not found")
logging.debug("frame with no MsgName: {}".format(cleansedFrame))
else:
logging.debug("end of envelope not found: {}".format(cleansedFrame))
print("end of envelope not found")
#!/usr/bin/python
# Copyright (C) 2014-2016, National Rural Electric Cooperative Association and Cigital, Inc
from cassandra.cluster import Cluster
session = Cluster(['127.0.0.1']).connect('demo')
for currentRow in session.execute('select content from packet'):
print currentRow[0], '\n'
class Loader:
start = 0
def __init__(self,name):
logging.getLogger("elasticsearch").setLevel(logging.WARNING)
self.log = getLogger('scy+es','load.log')
Loader.start = datetime.now()
self.index = name
self.stat = Statement(name)
self.filename = mapper[name]['load']
self.__init_scy()
self.__init_es()
self.pool_scy = ThreadPoolExecutorWithQueueSizeLimit(max_workers=10)
self.pool_es = ThreadPoolExecutorWithQueueSizeLimit(max_workers=10)
def load(self):
if self.index == 'reddit':
# main loop
g = self.__line_generator()
while True:
try:
line = json.loads(next(g))
self.pool_scy.submit(self.__insert_data,line)
self.pool_es.submit(self.__insert_index,line)
except StopIteration:
break
except Exception:
continue
elif self.index == 'amazon':
df = pd.read_csv(self.filename,encoding='utf-8')
end = df.index.max()
df = df.fillna('missing')
try:
for line in zip(range(0,end+1),df['userId'],df['productId'],
df['rating'],df['title'],df['comment'],df['timestamp']):
counter = line[0]
if counter%100000 == 0:
self.log.info(str(counter))
if counter%1000000 == 0:
self.log.info('{}'.format(datetime.now()-Loader.start))
self.log.info('')
self.pool_scy.submit(self.__insert_data,line)
self.pool_es.submit(self.__insert_index,line)
except Exception as e:
print(e)
self.pool_scy.shutdown()
self.pool_es.shutdown()
self.es.indices.refresh(index=self.index)
# shutdown
self.session.shutdown()
# print information
self.log.info('## Total cost time: {}'.format(datetime.now() - Loader.start))
self.log.info('## Inserts completed')
def __line_generator(self):
with open(self.filename, 'r', encoding='utf-8') as f:
for counter,line in enumerate(f):
try:
if counter%100000 == 0:
self.log.info(str(counter))
if counter%1000000 == 0:
self.log.info('{}'.format(datetime.now()-Loader.start))
self.log.info('')
yield line
except Exception as e:
print(e)
continue
# get scylladb connect, create ks and tb, return session
def __init_scy(self):
# session = Cluster(contact_points=SCYLLA_IP,execution_profiles={EXEC_PROFILE_DEFAULT:ep}).connect()
self.session = Cluster(contact_points=SCYLLA_IP).connect()
# create a schema
self.session.execute(self.stat.create_ks)
# create a tb
self.session.execute(self.stat.create_tb)
self.cql_prepared = self.session.prepare(self.stat.cql)
self.cql_prepared.consistency_level = ConsistencyLevel.LOCAL_QUORUM
# get es connect, create index
def __init_es(self):
with open('mapping.json','r') as f:
mapping = json.load(f)[self.index]
self.es = Elasticsearch(ES_IP, timeout=30)
# create es index
self.es.indices.create(index=self.index,body=mapping ignore=400,timeout=30)
# insert data into scylladb
def __insert_data(self,line):
data = list()
# TODO: format your data
if self.index == 'reddit':
data = [line['id'], line['name'], line['link_id'], line['parent_id'], line['subreddit_id'],line['author'], line['body'], int(line['created_utc'])]
elif self.index == 'amazon':
# id | user_id | product_id | rating | title | body | timestamp
data = [line[0], int(line[1]), int(line[2]), line[3], line[4], line[5], line[6]]
self.log.info(data)
res = self.session.execute(self.cql_prepared,data,timeout=60000)
return
# insert data into elasticsearch
def __insert_index(self,line):
# TODO: format your data
if self.index == 'reddit':
data = { k:v for k,v in line.items() if k in ['id', 'name', 'author', 'body'] }
elif self.index == 'amazon':
data = {}
data['id'] = line[0]
data['title'] = line[4]
data['body'] = line[5]
res = self.es.index(index=self.index, doc_type="comment", id=data['id'], body=data)
return
profiles = {'node1': node1_profile}
user_info = {'username':'******', 'password':'******'}
auth_provider = PlainTextAuthProvider(username=user_info['username'], password=user_info['password'])
logger.info(f'Logging into {ARGS["<cluster-ip>"]} with user={user_info["username"]}')
session = Cluster(
[ARGS['<cluster-ip>']],
port=9042,
protocol_version=4,
execution_profiles=profiles,
connect_timeout=20,
auth_provider=auth_provider
).connect()
connection.register_connection('cluster1', session=session)
logger.info(session.execute('SELECT release_version FROM system.local').one())
print('Simple Queries:')
print('\n' + 'Average temperature in NYC from 2006-2020:')
statement = SimpleStatement('SELECT AVG(tavg) as avg_temp FROM spardata.weather_dataset')
for row in session.execute(statement,timeout=30):
print(row['avg_temp'])
print('\n' + 'Average temperature in NYC by year:')
statement = SimpleStatement('SELECT year, AVG(tavg) as avg_temp FROM spardata.weather_dataset GROUP BY year')
for row in session.execute(statement,timeout=30):
print(f"{row['year']} : {row['avg_temp']}")
print('\n' + 'Average temperature in NYC by year and month:')
statement = SimpleStatement('SELECT year, month, AVG(tavg) as avg_temp FROM spardata.weather_dataset GROUP BY year, month')
class CassWarehouse(LWWarehouse):
compass_cls = CassWarehouseCompass
NO_KEYSP_EXC = InvalidRequest
NO_TABLE_EXC = InvalidRequest
def connect(self):
self.client = Cluster(
contact_points=self.compass.hosts,
port=self.compass.port,
protocol_version=4,
load_balancing_policy=RoundRobinPolicy()
).connect()
self.set_keyspace()
@keysp_dependent
def set_keyspace(self):
self.client.set_keyspace(self.keyspace)
def create_keyspace(self):
stmt = """
CREATE KEYSPACE {keysp}
WITH REPLICATION = {{
'class': 'SimpleStrategy',
'replication_factor': '{repl}'
}}
""".format(
keysp=self.keyspace,
repl=self.compass.replication
)
self.client.execute(stmt)
def create_table(self, hierarchy: StoreHierarchy, file_schema: List[FileSpec], *_, **__):
stmt = """
CREATE TABLE {keysp}.{table} (
id_model VARCHAR,
id_mover VARCHAR,
id_file VARCHAR,
file_content BLOB,
PRIMARY KEY(id_model, id_mover, id_file)
)
""".format(
keysp=self.keyspace,
table=self.TABLE_NAME
)
self.client.execute(stmt)
def delete(self, hierarchy: StoreHierarchy, ignore=False):
deleted = True
ids_stmt = """
SELECT * FROM {keysp}.{table}
WHERE
id_model='{_id_model}'
AND id_mover='{_id_mover}'
""".format(
keysp=self.keyspace,
table=self.TABLE_NAME,
_id_model=hierarchy.parent,
_id_mover=hierarchy.child
)
files = [row.id_file for row in self.client.execute(ids_stmt).current_rows]
if len(files) == 0 and not ignore:
self._raise_not_found(hierarchy)
elif len(files) == 0 and ignore:
deleted = False
else:
self.LOG.debug("Removing files {} from Cassandra".format(", ".join(files)))
stmt = """
DELETE FROM {keysp}.{table}
WHERE
id_model='{_id_model}'
AND id_mover='{_id_mover}'
AND id_file IN ('{_id_file}')
""".format(
keysp=self.keyspace,
table=self.TABLE_NAME,
_id_model=hierarchy.parent,
_id_mover=hierarchy.child,
_id_file="','".join(files) if len(files) > 1 else files[0]
)
self.client.execute(stmt)
return deleted
@table_dependent
def store_files(self, hierarchy: StoreHierarchy, file_schema: List[FileSpec]):
fields = []
values = []
stmt = "BEGIN BATCH "
for file_spec in file_schema:
fields.append(file_spec.name)
values.append(memoryview(file_spec.get_bytes()))
stmt += """
INSERT INTO {keysp}.{table} (id_model, id_mover, id_file, file_content)
VALUES ('{_id_model}', '{_id_mover}', '{_id_file}', %s);
""".format(
keysp=self.keyspace,
table=self.TABLE_NAME,
_id_model=hierarchy.parent,
_id_mover=hierarchy.child,
_id_file=file_spec.name
)
stmt += " APPLY BATCH;"
self.LOG.debug("Storing as blobs: {}".format(fields))
self.client.execute(stmt, values)
@table_dependent
def deploy_files(self, hierarchy: StoreHierarchy, file_schema: List[FileSpec], path_to: str):
stmt = """
SELECT * FROM {keysp}.{table}
WHERE
id_model='{_id_model}'
AND id_mover='{_id_mover}'
""".format(
keysp=self.keyspace,
table=self.TABLE_NAME,
_id_model=hierarchy.parent,
_id_mover=hierarchy.child
)
rows = self.client.execute(stmt).current_rows
if len(rows) == 0:
self._raise_not_found(hierarchy)
for row in rows:
self.LOG.debug('Deploying file: {}'.format(row.id_file))
write_path = os.path.join(path_to, row.id_file)
bites = row.file_content
open(write_path, 'wb').write(bites)
def data_from_cassandra(ks_name, table_name):
session = Cluster().connect()
return [
list(row) for row in session.execute(
'SELECT * FROM {ks}.{tab};'.format(ks=ks_name, tab=table_name))
]
self.errors += 1
def __str__(self):
# just extracting request count from the size stats (which are recorded on all requests)
request_sizes = dict(self.requests)
count = request_sizes.pop('count')
return "%d requests (%d errors)\nRequest size statistics:\n%s" % (count, self.errors, pp.pformat(request_sizes))
# connect a session
session = Cluster().connect()
# attach a listener to this session
ra = RequestAnalyzer(session)
session.execute("SELECT release_version FROM system.local")
session.execute("SELECT release_version FROM system.local")
print(ra)
# 2 requests (0 errors)
# Request size statistics:
# { '75percentile': 74,
# '95percentile': 74,
# '98percentile': 74,
# '999percentile': 74,
# '99percentile': 74,
# 'max': 74,
# 'mean': 74.0,
# 'median': 74.0,
# 'min': 74,
# 'stddev': 0.0}
def query_es(NUM_FILTERS):
## Connect to Elasticsearch
print("")
print("## Connecting to Elasticsearch")
es = Elasticsearch(ES_IP)
if NUM_FILTERS == 'single':
## Search using single field filter (group: 'pants')
print("")
print("## Searching for 'pants' in Elasticsearch (filter by group)")
res = es.search(index="catalog",
doc_type="apparel",
body={
"query": {
"match": {
"group": "pants"
}
},
"size": 1000
})
if NUM_FILTERS == 'multiple':
## Search using multiple fields filter (color: 'white' AND sub_group: 'softshell')
print("")
print(
"## Searching for 'white softshell' in Elasticsearch (filter by color + sub_group)"
)
res = es.search(index="catalog",
doc_type="apparel",
body={
"query": {
"bool": {
"must": [{
"match": {
"color": "white"
}
}, {
"match": {
"sub_group": "softshell"
}
}]
}
},
"size": 1000
})
if NUM_FILTERS == 'none':
## Search with NO filters (match_all)
print("")
print("## Searching with NO filter = 'match_all' in Elasticsearch")
res = es.search(index="catalog",
doc_type="apparel",
body={
"query": {
"match_all": {}
},
"size": "1000"
})
print("")
print("## %d documents returned" % res['hits']['total'])
es_results = [doc['_id'] for doc in res['hits']['hits']]
## Connect to Scylla
print("")
print("## Connecting to Scylla")
session = Cluster(SCYLLA_IP).connect()
## Prepared cql statement
print("")
print("## Preparing CQL statement")
cql = "SELECT * FROM catalog.apparel WHERE sku=?"
cql_prepared = session.prepare(cql)
cql_prepared.consistency_level = ConsistencyLevel.ONE if random.random(
) < 0.2 else ConsistencyLevel.QUORUM
## Query Scylla
print("")
print("## Query Scylla using SKU/s returned from Elasticsearch")
print("")
print("## Final results from Scylla:")
print("")
for r in es_results:
scylla_res = session.execute(cql_prepared, (r, ))
print("%s" % ([list(row) for row in scylla_res]))
#for doc in res['hits']['hits']:
## Print all columns in Elasticsearch result set
#print("SKU: %s | Color: %s | Size: %s | Brand: %s | Gender: %s | Group: %s | Sub_Group: %s" % (doc['_id'], doc['_source']['color'], doc['_source']['size'], doc['_source']['brand'], doc['_source']['gender'], doc['_source']['group'], doc['_source']['sub_group']))
## Print only the id (sku) in the result set
#print("SKU: %s" % (doc['_id']))
print("")
def _contention_test(self, threads, iterations):
"""
Test threads repeatedly contending on the same row.
"""
verbose = False
session = self.prepare(nodes=3)
session.execute(
"CREATE TABLE test (k int, v int static, id int, PRIMARY KEY (k, id))"
)
session.execute("INSERT INTO test(k, v) VALUES (0, 0)")
class Worker(Thread):
def __init__(self, wid, session, iterations, query):
Thread.__init__(self)
self.wid = wid
self.iterations = iterations
self.query = query
self.session = session
self.errors = 0
self.retries = 0
def run(self):
i = 0
prev = 0
while i < self.iterations:
done = False
while not done:
try:
res = self.session.execute(
self.query, (prev + 1, prev, self.wid))
if verbose:
print("[%3d] CAS %3d -> %3d (res: %s)" %
(self.wid, prev, prev + 1, str(res)))
if res[0][0] is True:
done = True
prev = prev + 1
else:
self.retries = self.retries + 1
# There is 2 conditions, so 2 reasons to fail: if we failed because the row with our
# worker ID already exists, it means we timeout earlier but our update did went in,
# so do consider this as a success
prev = res[0][3]
if res[0][2] is not None:
if verbose:
print(
"[%3d] Update was inserted on previous try (res = %s)"
% (self.wid, str(res)))
done = True
except WriteTimeout as e:
if verbose:
print("[%3d] TIMEOUT (%s)" %
(self.wid, str(e)))
# This means a timeout: just retry, if it happens that our update was indeed persisted,
# we'll figure it out on the next run.
self.retries = self.retries + 1
except Exception as e:
if verbose:
print("[%3d] ERROR: %s" % (self.wid, str(e)))
self.errors = self.errors + 1
done = True
i = i + 1
# Clean up for next iteration
while True:
try:
self.session.execute(
"DELETE FROM test WHERE k = 0 AND id = %d IF EXISTS"
% self.wid)
break
except WriteTimeout as e:
pass
nodes = self.cluster.nodelist()
workers = []
session = Cluster([nodes[0].ip_addr],
connect_timeout=15,
idle_heartbeat_interval=0,
execution_profiles={
EXEC_PROFILE_DEFAULT:
ExecutionProfile(request_timeout=60)
}).connect('ks')
q = session.prepare("""
BEGIN BATCH
UPDATE test SET v = ? WHERE k = 0 IF v = ?;
INSERT INTO test (k, id) VALUES (0, ?) IF NOT EXISTS;
APPLY BATCH
""")
for n in range(0, threads):
workers.append(Worker(n, session, iterations, q))
start = time.time()
for w in workers:
w.start()
for w in workers:
w.join()
if verbose:
runtime = time.time() - start
print("runtime:", runtime)
query = SimpleStatement("SELECT v FROM test WHERE k = 0",
consistency_level=ConsistencyLevel.ALL)
rows = session.execute(query)
value = rows[0][0]
errors = 0
retries = 0
for w in workers:
errors = errors + w.errors
retries = retries + w.retries
assert (value == threads * iterations) and (
errors == 0), "value={}, errors={}, retries={}".format(
value, errors, retries)