Enabled proccessmetrics for MacOS

[8naama]

Description:
Adding process metrics for Mac.
Currently, the hostmetrics process metrics receiver is only implemented for windows and linux.

Link to tracking Issue: Issue #17863

Testing:

• Ran the collector locally on a Mac to make sure the relevant metrics are collected.

Documentation:

• Added Mac as option for processmetrics at receiver/hostmetricsreceiver/README.md.

[runforesight]

Foresight Summary

    
Major Impacts

TestStartAndShutdownRemote ❌ failed 1 times in 10 runs (10% fail rate).

build-and-test duration(35 minutes 26 seconds) has decreased 34 minutes 13 seconds compared to main branch avg(1 hour 9 minutes 39 seconds).

View More Details

⭕  build-and-test-windows workflow has finished in 7 seconds (41 minutes 34 seconds less than main branch avg.) and finished at 18th Feb, 2023.

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Job	Failed Steps	Tests
windows-unittest-matrix	-     🔗	N/A	See Details
windows-unittest	-     🔗	N/A	See Details

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✅  telemetrygen workflow has finished in 52 seconds (2 minutes 12 seconds less than main branch avg.) and finished at 18th Feb, 2023.

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Job	Failed Steps	Tests
publish-latest	-     🔗	N/A	See Details
build-dev	-     🔗	N/A	See Details
publish-stable	-     🔗	N/A	See Details

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✅  check-links workflow has finished in 1 minute 26 seconds (1 minute 5 seconds less than main branch avg.) and finished at 18th Feb, 2023.

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Job	Failed Steps	Tests
changed files	-     🔗	N/A	See Details
check-links	-     🔗	N/A	See Details

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✅  changelog workflow has finished in 1 minute 52 seconds (42 seconds less than main branch avg.) and finished at 18th Feb, 2023.

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Job	Failed Steps	Tests
changelog	-     🔗	N/A	See Details

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✅  prometheus-compliance-tests workflow has finished in 3 minutes 32 seconds (5 minutes 19 seconds less than main branch avg.) and finished at 18th Feb, 2023.

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Job	Failed Steps	Tests
prometheus-compliance-tests	-     🔗	✅ 21  ❌ 0  ⏭ 0    🔗	See Details

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✅  load-tests workflow has finished in 9 minutes 20 seconds (7 minutes 30 seconds less than main branch avg.) and finished at 18th Feb, 2023.

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Job	Failed Steps	Tests
loadtest (TestTraceAttributesProcessor)	-     🔗	✅ 3  ❌ 0  ⏭ 0    🔗	See Details
loadtest (TestIdleMode)	-     🔗	✅ 1  ❌ 0  ⏭ 0    🔗	See Details
loadtest (TestMetric10kDPS|TestMetricsFromFile)	-     🔗	✅ 6  ❌ 0  ⏭ 0    🔗	See Details
loadtest (TestTraceNoBackend10kSPS|TestTrace1kSPSWithAttrs)	-     🔗	✅ 8  ❌ 0  ⏭ 0    🔗	See Details
loadtest (TestTraceBallast1kSPSWithAttrs|TestTraceBallast1kSPSAddAttrs)	-     🔗	✅ 10  ❌ 0  ⏭ 0    🔗	See Details
loadtest (TestMetricResourceProcessor|TestTrace10kSPS)	-     🔗	✅ 12  ❌ 0  ⏭ 0    🔗	See Details
loadtest (TestBallastMemory|TestLog10kDPS)	-     🔗	✅ 18  ❌ 0  ⏭ 0    🔗	See Details
setup-environment	-     🔗	N/A	See Details

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✅  e2e-tests workflow has finished in 11 minutes 22 seconds (4 minutes 23 seconds less than main branch avg.) and finished at 18th Feb, 2023.

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Job	Failed Steps	Tests
kubernetes-test	-     🔗	N/A	See Details

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✅  build-and-test workflow has finished in 35 minutes 26 seconds (34 minutes 13 seconds less than main branch avg.) and finished at 22nd Feb, 2023.

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Job	Failed Steps	Tests
unittest-matrix (1.19, internal)	-     🔗	✅ 561  ❌ 0  ⏭ 0    🔗	See Details
unittest-matrix (1.20, extension)	-     🔗	✅ 537  ❌ 0  ⏭ 0    🔗	See Details
unittest-matrix (1.19, processor)	-     🔗	✅ 1509  ❌ 0  ⏭ 0    🔗	See Details
unittest-matrix (1.19, extension)	-     🔗	✅ 537  ❌ 0  ⏭ 0    🔗	See Details
unittest-matrix (1.20, processor)	-     🔗	✅ 1509  ❌ 0  ⏭ 0    🔗	See Details
unittest-matrix (1.19, receiver-0)	-     🔗	✅ 2575  ❌ 0  ⏭ 0    🔗	See Details
unittest-matrix (1.20, receiver-0)	-     🔗	✅ 2575  ❌ 0  ⏭ 0    🔗	See Details
unittest-matrix (1.20, exporter)	-     🔗	✅ 2455  ❌ 0  ⏭ 0    🔗	See Details
unittest-matrix (1.19, exporter)	-     🔗	✅ 2455  ❌ 0  ⏭ 0    🔗	See Details
unittest-matrix (1.19, other)	-     🔗	✅ 4745  ❌ 0  ⏭ 0    🔗	See Details
unittest-matrix (1.19, receiver-1)	-     🔗	✅ 1928  ❌ 0  ⏭ 0    🔗	See Details
unittest-matrix (1.20, receiver-1)	-     🔗	✅ 1928  ❌ 0  ⏭ 0    🔗	See Details
unittest-matrix (1.20, other)	-     🔗	✅ 4745  ❌ 0  ⏭ 0    🔗	See Details
unittest (1.20)	-     🔗	N/A	See Details
unittest (1.19)	-     🔗	N/A	See Details
cross-compile (darwin, amd64)	-     🔗	N/A	See Details
cross-compile (darwin, arm64)	-     🔗	N/A	See Details
cross-compile (linux, 386)	-     🔗	N/A	See Details
cross-compile (linux, amd64)	-     🔗	N/A	See Details
cross-compile (linux, arm)	-     🔗	N/A	See Details
cross-compile (linux, arm64)	-     🔗	N/A	See Details
cross-compile (linux, ppc64le)	-     🔗	N/A	See Details
cross-compile (windows, 386)	-     🔗	N/A	See Details
cross-compile (windows, amd64)	-     🔗	N/A	See Details
build-package (deb)	-     🔗	N/A	See Details
build-package (rpm)	-     🔗	N/A	See Details
windows-msi	-     🔗	N/A	See Details
publish-check	-     🔗	N/A	See Details
publish-dev	-     🔗	N/A	See Details
publish-stable	-     🔗	N/A	See Details

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[dmitryax]

Why can't we use the existing Linux implementation? Looks like proc.Name and proc.Exe is available for mac

[8naama]

The linux one is using proc.Exe() which for some reason returns errors for some processes when used in the collector (not reproducible in a simple script), I added the exact errors in the issue description

[dmitryax]

@8naama please add a changelog entry

[codeboten]

Thanks for the updates! Just one more comment on my end.