pmdaopentelemetry: new pmda for opentelemetry metrics

[lmchilton]

Addition of OpenTelemetry PMDA - domain num 88. Supports ingestion of OpenTelemetry data and conversion to PCP metrics. PMDA supports dynamic metric addition and removal congruent to source entries in the configuration directory. Relevent QA tests were added. Addition
and update of new pmdaopentelemetry manpage.

[wcohen]

Some of the python code can be cleaned up according to pylint:

$ pylint src/pmdas/opentelemetry/pmdaopentelemetry.python
************* Module pmdaopentelemetry
src/pmdas/opentelemetry/pmdaopentelemetry.python:106:0: C0325: Unnecessary parens after '=' keyword (superfluous-parens)
src/pmdas/opentelemetry/pmdaopentelemetry.python:466:0: C0325: Unnecessary parens after '=' keyword (superfluous-parens)
src/pmdas/opentelemetry/pmdaopentelemetry.python:612:0: W0311: Bad indentation. Found 28 spaces, expected 24 (bad-indentation)
src/pmdas/opentelemetry/pmdaopentelemetry.python:614:0: W0311: Bad indentation. Found 28 spaces, expected 24 (bad-indentation)
src/pmdas/opentelemetry/pmdaopentelemetry.python:616:0: W0311: Bad indentation. Found 28 spaces, expected 24 (bad-indentation)
src/pmdas/opentelemetry/pmdaopentelemetry.python:703:65: C0303: Trailing whitespace (trailing-whitespace)
src/pmdas/opentelemetry/pmdaopentelemetry.python:89:4: R0917: Too many positional arguments (7/5) (too-many-positional-arguments)
src/pmdas/opentelemetry/pmdaopentelemetry.python:134:37: W0622: Redefining built-in 'type' (redefined-builtin)
src/pmdas/opentelemetry/pmdaopentelemetry.python:173:13: R1714: Consider merging these comparisons with 'in' by using 'type in ('histogram', 'summary')'. Use a set instead if elements are hashable. (consider-using-in)
src/pmdas/opentelemetry/pmdaopentelemetry.python:346:4: R0917: Too many positional arguments (6/5) (too-many-positional-arguments)
src/pmdas/opentelemetry/pmdaopentelemetry.python:454:8: W0612: Unused variable 'mvalue' (unused-variable)
src/pmdas/opentelemetry/pmdaopentelemetry.python:606:19: C0121: Comparison 'metric_dict['is_hist'] == True' should be 'metric_dict['is_hist'] is True' if checking for the singleton value True, or 'bool(metric_dict['is_hist'])' if testing for truthiness (singleton-comparison)
src/pmdas/opentelemetry/pmdaopentelemetry.python:606:53: C0121: Comparison 'metric_dict['is_sum'] == True' should be 'metric_dict['is_sum'] is True' if checking for the singleton value True, or 'bool(metric_dict['is_sum'])' if testing for truthiness (singleton-comparison)
src/pmdas/opentelemetry/pmdaopentelemetry.python:611:23: R1714: Consider merging these comparisons with 'in' by using 'key in ('values', 'instances')'. Use a set instead if elements are hashable. (consider-using-in)
src/pmdas/opentelemetry/pmdaopentelemetry.python:644:23: C0121: Comparison 'hist_flag == False' should be 'hist_flag is False' if checking for the singleton value False, or 'not hist_flag' if testing for falsiness (singleton-comparison)
src/pmdas/opentelemetry/pmdaopentelemetry.python:649:19: C0121: Comparison 'hist_flag == True' should be 'hist_flag is True' if checking for the singleton value True, or 'hist_flag' if testing for truthiness (singleton-comparison)
src/pmdas/opentelemetry/pmdaopentelemetry.python:916:4: R0917: Too many positional arguments (8/5) (too-many-positional-arguments)
src/pmdas/opentelemetry/pmdaopentelemetry.python:36:0: W0611: Unused import json (unused-import)

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Your code has been rated at 9.81/10

$ pylint qa/opentelemetry/opentelemetry_endpoint.python
************* Module opentelemetry_endpoint
qa/opentelemetry/opentelemetry_endpoint.python:42:0: C0301: Line too long (125/120) (line-too-long)
qa/opentelemetry/opentelemetry_endpoint.python:43:0: C0301: Line too long (657/120) (line-too-long)
qa/opentelemetry/opentelemetry_endpoint.python:66:0: C0301: Line too long (128/120) (line-too-long)
qa/opentelemetry/opentelemetry_endpoint.python:67:0: C0301: Line too long (811/120) (line-too-long)
qa/opentelemetry/opentelemetry_endpoint.python:92:0: C0301: Line too long (131/120) (line-too-long)
qa/opentelemetry/opentelemetry_endpoint.python:95:0: C0301: Line too long (626/120) (line-too-long)
qa/opentelemetry/opentelemetry_endpoint.python:103:0: C0301: Line too long (149/120) (line-too-long)
qa/opentelemetry/opentelemetry_endpoint.python:115:0: C0301: Line too long (168/120) (line-too-long)
qa/opentelemetry/opentelemetry_endpoint.python:118:0: C0301: Line too long (656/120) (line-too-long)
qa/opentelemetry/opentelemetry_endpoint.python:137:0: C0301: Line too long (123/120) (line-too-long)
qa/opentelemetry/opentelemetry_endpoint.python:142:0: C0301: Line too long (125/120) (line-too-long)
qa/opentelemetry/opentelemetry_endpoint.python:147:0: C0301: Line too long (125/120) (line-too-long)
qa/opentelemetry/opentelemetry_endpoint.python:153:0: C0301: Line too long (127/120) (line-too-long)
qa/opentelemetry/opentelemetry_endpoint.python:170:0: C0301: Line too long (145/120) (line-too-long)
qa/opentelemetry/opentelemetry_endpoint.python:176:0: C0301: Line too long (252/120) (line-too-long)
qa/opentelemetry/opentelemetry_endpoint.python:238:0: C0301: Line too long (129/120) (line-too-long)
qa/opentelemetry/opentelemetry_endpoint.python:27:17: R1735: Consider using '{}' instead of a call to 'dict'. (use-dict-literal)
qa/opentelemetry/opentelemetry_endpoint.python:30:28: W0621: Redefining name 'args' from outer scope (line 245) (redefined-outer-name)
qa/opentelemetry/opentelemetry_endpoint.python:30:39: W0621: Redefining name 'endpoint' from outer scope (line 255) (redefined-outer-name)
qa/opentelemetry/opentelemetry_endpoint.python:133:4: R0913: Too many arguments (6/5) (too-many-arguments)
qa/opentelemetry/opentelemetry_endpoint.python:133:4: R0917: Too many positional arguments (6/5) (too-many-positional-arguments)
qa/opentelemetry/opentelemetry_endpoint.python:163:4: R1711: Useless return at end of function or method (useless-return)
qa/opentelemetry/opentelemetry_endpoint.python:196:36: W0621: Redefining name 'args' from outer scope (line 245) (redefined-outer-name)
qa/opentelemetry/opentelemetry_endpoint.python:207:12: W0621: Redefining name 'endpoint' from outer scope (line 255) (redefined-outer-name)
qa/opentelemetry/opentelemetry_endpoint.python:240:4: W0621: Redefining name 'args' from outer scope (line 245) (redefined-outer-name)

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Your code has been rated at 8.86/10

[natoscott]

@lmchilton this failed merge snippet is the reason all the CI checks are failing. You want to keep the HDB line and drop the <<<===>>> lines, then CI will proceed further.