import socket
return 'iot_sensor,hostname={},type=temperature value={}'.format(
socket.gethostname(), temperature)
"""
Read temperature every minute; distinct_until_changed - produce only if temperature change
"""
data = rx \
.interval(period=timedelta(seconds=60)) \
.pipe(ops.map(lambda t: sensor_temperature()),
ops.distinct_until_changed(),
ops.map(lambda temperature: line_protocol(temperature)))
_db_client = InfluxDBClient(url="http://localhost:9999",
token="my-token",
org="my-org",
debug=True)
"""
Create client that writes data into InfluxDB
"""
_write_api = _db_client.write_api(write_options=WriteOptions(batch_size=1))
_write_api.write(org="my-org", bucket="my-bucket", record=data)
"""
Call after terminate a script
"""
atexit.register(on_exit, _db_client, _write_api)
input()
class GzipSupportTest(BaseTest):
def setUp(self) -> None:
super(GzipSupportTest, self).setUp()
# https://github.com/gabrielfalcao/HTTPretty/issues/368
import warnings
warnings.filterwarnings("ignore",
category=ResourceWarning,
message="unclosed.*")
warnings.filterwarnings("ignore",
category=PendingDeprecationWarning,
message="isAlive*")
httpretty.enable()
httpretty.reset()
def tearDown(self) -> None:
self.client.__del__()
httpretty.disable()
def test_gzip_disabled(self):
query_response = \
"#datatype,string,long,dateTime:RFC3339,dateTime:RFC3339,dateTime:RFC3339,long,string,string,string\n" \
"#group,false,false,false,false,false,false,false,false,false,true\n#default,_result,,,,,,,,\n" \
",result,table,_start,_stop,_time,_value,_field,_measurement,host\n" \
",,0,1970-01-01T00:00:10Z,1970-01-01T00:00:20Z,1970-01-01T00:00:10Z,121,free,mem,A\n" \
",,0,1970-01-01T00:00:10Z,1970-01-01T00:00:20Z,1970-01-01T00:00:10Z,122,free,mem,A\n" \
",,0,1970-01-01T00:00:10Z,1970-01-01T00:00:20Z,1970-01-01T00:00:10Z,123,free,mem,A\n" \
",,0,1970-01-01T00:00:10Z,1970-01-01T00:00:20Z,1970-01-01T00:00:10Z,124,free,mem,A\n"
httpretty.register_uri(
httpretty.GET,
uri="http://localhost/api/v2/me",
status=200,
body="{\"name\":\"Tom\"}",
adding_headers={'Content-Type': 'application/json'})
httpretty.register_uri(httpretty.POST,
uri="http://localhost/api/v2/write",
status=204)
httpretty.register_uri(httpretty.POST,
uri="http://localhost/api/v2/query",
status=200,
body=query_response)
self.client = InfluxDBClient("http://localhost",
"my-token",
org="my-org",
enable_gzip=False)
_user = self.client.users_api().me()
self.assertEqual("Tom", _user._name)
_response = self.client.write_api(write_options=SYNCHRONOUS) \
.write("my-bucket", "my-org", "h2o_feet,location=coyote_creek water_level=1.0 1")
self.assertEqual(None, _response)
_tables = self.client.query_api() \
.query('from(bucket:"my-bucket") |> range(start: 1970-01-01T00:00:00.000000001Z) |> last()', "my-org")
self.assertEqual(1, len(_tables))
self.assertEqual(4, len(_tables[0].records))
self.assertEqual(121, _tables[0].records[0].get_value())
self.assertEqual(122, _tables[0].records[1].get_value())
self.assertEqual(123, _tables[0].records[2].get_value())
self.assertEqual(124, _tables[0].records[3].get_value())
_requests = httpretty.httpretty.latest_requests
self.assertEqual(3, len(_requests))
# Unsupported
self.assertEqual("/api/v2/me", _requests[0].path)
self.assertEqual(None, _requests[0].headers['Content-Encoding'])
self.assertEqual("identity", _requests[0].headers['Accept-Encoding'])
# Write
self.assertEqual(
"/api/v2/write?org=my-org&bucket=my-bucket&precision=ns",
_requests[1].path)
self.assertEqual("identity", _requests[1].headers['Content-Encoding'])
self.assertEqual("identity", _requests[1].headers['Accept-Encoding'])
self.assertEqual("h2o_feet,location=coyote_creek water_level=1.0 1",
_requests[1].parsed_body)
# Query
self.assertEqual("/api/v2/query?org=my-org", _requests[2].path)
self.assertEqual(None, _requests[2].headers['Content-Encoding'])
self.assertEqual("identity", _requests[2].headers['Accept-Encoding'])
self.assertTrue(
'from(bucket:"my-bucket") |> range(start: 1970-01-01T00:00:00.000000001Z) |> last()'
in str(_requests[2].parsed_body))
def test_gzip_enabled(self):
query_response = \
"#datatype,string,long,dateTime:RFC3339,dateTime:RFC3339,dateTime:RFC3339,long,string,string,string\n" \
"#group,false,false,false,false,false,false,false,false,false,true\n#default,_result,,,,,,,,\n" \
",result,table,_start,_stop,_time,_value,_field,_measurement,host\n" \
",,0,1970-01-01T00:00:10Z,1970-01-01T00:00:20Z,1970-01-01T00:00:10Z,121,free,mem,A\n" \
",,0,1970-01-01T00:00:10Z,1970-01-01T00:00:20Z,1970-01-01T00:00:10Z,122,free,mem,A\n" \
",,0,1970-01-01T00:00:10Z,1970-01-01T00:00:20Z,1970-01-01T00:00:10Z,123,free,mem,A\n" \
",,0,1970-01-01T00:00:10Z,1970-01-01T00:00:20Z,1970-01-01T00:00:10Z,124,free,mem,A\n"
httpretty.register_uri(
httpretty.GET,
uri="http://localhost/api/v2/me",
status=200,
body="{\"name\":\"Tom\"}",
adding_headers={'Content-Type': 'application/json'})
httpretty.register_uri(httpretty.POST,
uri="http://localhost/api/v2/write",
status=204)
httpretty.register_uri(httpretty.POST,
uri="http://localhost/api/v2/query",
status=200,
body=gzip.compress(
bytes(query_response, "utf-8")),
adding_headers={'Content-Encoding': 'gzip'})
self.client = InfluxDBClient("http://localhost",
"my-token",
org="my-org",
enable_gzip=True)
_user = self.client.users_api().me()
self.assertEqual("Tom", _user._name)
_response = self.client.write_api(write_options=SYNCHRONOUS) \
.write("my-bucket", "my-org", "h2o_feet,location=coyote_creek water_level=1.0 1")
self.assertEqual(None, _response)
_tables = self.client.query_api() \
.query('from(bucket:"my-bucket") |> range(start: 1970-01-01T00:00:00.000000001Z) |> last()', "my-org")
self.assertEqual(1, len(_tables))
self.assertEqual(4, len(_tables[0].records))
self.assertEqual(121, _tables[0].records[0].get_value())
self.assertEqual(122, _tables[0].records[1].get_value())
self.assertEqual(123, _tables[0].records[2].get_value())
self.assertEqual(124, _tables[0].records[3].get_value())
_requests = httpretty.httpretty.latest_requests
self.assertEqual(3, len(_requests))
# Unsupported
self.assertEqual("/api/v2/me", _requests[0].path)
self.assertEqual(None, _requests[0].headers['Content-Encoding'])
self.assertEqual("identity", _requests[0].headers['Accept-Encoding'])
# Write
self.assertEqual(
"/api/v2/write?org=my-org&bucket=my-bucket&precision=ns",
_requests[1].path)
self.assertEqual("gzip", _requests[1].headers['Content-Encoding'])
self.assertEqual("identity", _requests[1].headers['Accept-Encoding'])
self.assertNotEqual("h2o_feet,location=coyote_creek water_level=1.0 1",
_requests[1].parsed_body)
# Query
self.assertEqual("/api/v2/query?org=my-org", _requests[2].path)
self.assertEqual(None, _requests[2].headers['Content-Encoding'])
self.assertEqual("gzip", _requests[2].headers['Accept-Encoding'])
self.assertTrue(
'from(bucket:"my-bucket") |> range(start: 1970-01-01T00:00:00.000000001Z) |> last()'
in str(_requests[2].parsed_body))
def test_write_query_gzip(self):
httpretty.disable()
self.client = InfluxDBClient(self.host,
token="my-token",
org="my-org",
debug=False,
enable_gzip=True)
self.api_client = self.client.api_client
self.buckets_client = self.client.buckets_api()
self.query_client = self.client.query_api()
self.org = "my-org"
self.my_organization = self.find_my_org()
_bucket = self.create_test_bucket()
self.client.write_api(write_options=SYNCHRONOUS) \
.write(_bucket.name, self.org, "h2o_feet,location=coyote_creek water_level=111.0 1")
_result = self.query_client.query(
"from(bucket:\"{0}\") |> range(start: 1970-01-01T00:00:00.000000001Z) |> last()"
.format(_bucket.name), self.org)
self.assertEqual(len(_result), 1)
self.assertEqual(_result[0].records[0].get_measurement(), "h2o_feet")
self.assertEqual(_result[0].records[0].get_value(), 111.0)
self.assertEqual(_result[0].records[0].get_field(), "water_level")