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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,43 @@ | ||
|
|
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| class OpenTelemetryTraceContext(object): | ||
| traceparent_tpl = 'xx-xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx-xxxxxxxxxxxxxxxx-xx' | ||
| translation = str.maketrans('1234567890abcdef', 'xxxxxxxxxxxxxxxx') | ||
|
|
||
| def __init__(self, traceparent, tracestate): | ||
| # xx-xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx-xxxxxxxxxxxxxxxx-xx | ||
| # ^ ^ ^ ^ | ||
| # version trace_id span_id flags | ||
|
|
||
| self.trace_id = None # UUID | ||
| self.span_id = None # UInt64 | ||
| self.tracestate = tracestate # String | ||
| self.trace_flags = None # UInt8 | ||
|
|
||
| if traceparent is not None: | ||
| self.parse_traceparent(traceparent) | ||
|
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||
| super(OpenTelemetryTraceContext, self).__init__() | ||
|
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| def parse_traceparent(self, traceparent): | ||
| traceparent = traceparent.lower() | ||
|
|
||
| if len(traceparent) != len(self.traceparent_tpl): | ||
| raise ValueError('unexpected length {}, expected {}'.format( | ||
| len(traceparent), len(self.traceparent_tpl) | ||
| )) | ||
|
|
||
| if traceparent.translate(self.translation) != self.traceparent_tpl: | ||
| raise ValueError( | ||
| 'Malformed traceparant header: {}'.format(traceparent) | ||
| ) | ||
|
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||
| parts = traceparent.split('-') | ||
| version = int(parts[0], 16) | ||
| if version != 0: | ||
| raise ValueError( | ||
| 'unexpected version {}, expected 00'.format(parts[0]) | ||
| ) | ||
|
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| self.trace_id = (int(parts[1][16:], 16) << 64) + int(parts[1][:16], 16) | ||
| self.span_id = int(parts[2], 16) | ||
| self.trace_flags = int(parts[3], 16) |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,76 @@ | ||
| from tests.testcase import BaseTestCase | ||
| from tests.util import capture_logging | ||
|
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||
|
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| class OpenTelemetryTestCase(BaseTestCase): | ||
| required_server_version = (20, 11, 2) | ||
|
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| def test_server_logs(self): | ||
| tracestate = 'tracestate' | ||
| traceparent = '00-1af7651916cd43dd8448eb211c80319c-b7ad6b7169203331-01' | ||
|
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| settings = { | ||
| 'opentelemetry_tracestate': tracestate, | ||
| 'opentelemetry_traceparent': traceparent | ||
|
|
||
| } | ||
| with self.created_client(settings=settings) as client: | ||
| with capture_logging('clickhouse_driver.log', 'INFO') as buffer: | ||
| settings = {'send_logs_level': 'trace'} | ||
| query = 'SELECT 1' | ||
| client.execute(query, settings=settings) | ||
| value = buffer.getvalue() | ||
| self.assertIn('OpenTelemetry', value) | ||
| self.assertIn('1af7651916cd43dd8448eb211c80319c', value) | ||
|
|
||
| def test_no_tracestate(self): | ||
| traceparent = '00-1af7651916cd43dd8448eb211c80319c-b7ad6b7169203331-01' | ||
|
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| settings = { | ||
| 'opentelemetry_traceparent': traceparent | ||
|
|
||
| } | ||
| with self.created_client(settings=settings) as client: | ||
| with capture_logging('clickhouse_driver.log', 'INFO') as buffer: | ||
| settings = {'send_logs_level': 'trace'} | ||
| query = 'SELECT 1' | ||
| client.execute(query, settings=settings) | ||
| value = buffer.getvalue() | ||
| self.assertIn('OpenTelemetry', value) | ||
| self.assertIn('1af7651916cd43dd8448eb211c80319c', value) | ||
|
|
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| def test_bad_traceparent(self): | ||
| settings = {'opentelemetry_traceparent': 'bad'} | ||
| with self.created_client(settings=settings) as client: | ||
| with self.assertRaises(ValueError) as e: | ||
| client.execute('SELECT 1') | ||
|
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||
| self.assertEqual( | ||
| str(e.exception), | ||
| 'unexpected length 3, expected 55' | ||
| ) | ||
|
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||
| traceparent = '00-xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx-yyyyyyyyyyyyyyyy-01' | ||
| settings = {'opentelemetry_traceparent': traceparent} | ||
| with self.created_client(settings=settings) as client: | ||
| with self.assertRaises(ValueError) as e: | ||
| client.execute('SELECT 1') | ||
|
|
||
| self.assertEqual( | ||
| str(e.exception), | ||
| 'Malformed traceparant header: {}'.format(traceparent) | ||
| ) | ||
|
|
||
| def test_bad_traceparent_version(self): | ||
| settings = { | ||
| 'opentelemetry_traceparent': | ||
| '01-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa-bbbbbbbbbbbbbbbb-01' | ||
| } | ||
| with self.created_client(settings=settings) as client: | ||
| with self.assertRaises(ValueError) as e: | ||
| client.execute('SELECT 1') | ||
|
|
||
| self.assertEqual( | ||
| str(e.exception), | ||
| 'unexpected version 01, expected 00' | ||
| ) |