datadog-agent
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[Tool] Invoke task to check and format missing replace dependency in go.mod files
What does this PR do?
Add the invoke task inv internal-deps-checker
to check that every go.mod
file has it's internal required
dependencies added into replace
. The option --formatFile
allow to format go.mod
files that are missing replace
dependencies.
Motivation
When go mod download
is running, it will stop at the first dependency unreplaced and won't show all missing ones in a single run.
Additional Notes
Possible Drawbacks / Trade-offs
Describe how to test/QA your changes
Reviewer's Checklist
- [ ] If known, an appropriate milestone has been selected; otherwise the
Triage
milestone is set. - [ ] Use the
major_change
label if your change either has a major impact on the code base, is impacting multiple teams or is changing important well-established internals of the Agent. This label will be use during QA to make sure each team pay extra attention to the changed behavior. For any customer facing change use a releasenote. - [ ] A release note has been added or the
changelog/no-changelog
label has been applied. - [ ] Changed code has automated tests for its functionality.
- [ ] Adequate QA/testing plan information is provided. Except if the
qa/skip-qa
label, with required eitherqa/done
orqa/no-code-change
labels, are applied. - [ ] At least one
team/..
label has been applied, indicating the team(s) that should QA this change. - [ ] If applicable, docs team has been notified or an issue has been opened on the documentation repo.
- [ ] If applicable, the
need-change/operator
andneed-change/helm
labels have been applied. - [ ] If applicable, the
k8s/<min-version>
label, indicating the lowest Kubernetes version compatible with this feature. - [ ] If applicable, the config template has been updated.
I agree that the go.mod
files are a bit a mess, however in some cases the different require
section can be useful, for example the direct
and indirect
require
are not mixed. If I understand correctly running your formatter would mix the direct
and indirect
import, right?
By default it's only going to check if there's some missing replace dependency and format when --formatFile
is activated. From go point of view it doesn't change anything if indirect
and direct
are in the same require
or multiple but it's a fair point of improvement in presentation. The reason why we have this drawback is that by default when the modfile
go module AddReplace
its adding an extra line replace <dep> <vers>
. This needs to be merged to avoid having replace everywhere in any order.
I'll modify the formatter to try to merge it into two different require
one for indirect
and one for direct
to keep current go.mod
format 👍
Bloop Bleep... Dogbot Here
Regression Detector Results
Run ID: d1138e76-f395-4f21-87ad-aa770cc60713 Baseline: 7fad488caacff09e4cc911c07f064f2ee33d5f3c Comparison: f2a08a8f59b2eb299986bd3b17573abeda33ce3f Total CPUs: 7
Performance changes are noted in the perf column of each table:
- ✅ = significantly better comparison variant performance
- ❌ = significantly worse comparison variant performance
- ➖ = no significant change in performance
No significant changes in experiment optimization goals
Confidence level: 90.00% Effect size tolerance: |Δ mean %| ≥ 5.00%
There were no significant changes in experiment optimization goals at this confidence level and effect size tolerance.
Experiments ignored for regressions
Regressions in experiments with settings containing erratic: true
are ignored.
perf | experiment | goal | Δ mean % | Δ mean % CI |
---|---|---|---|---|
➖ | file_to_blackhole | % cpu utilization | -0.32 | [-6.85, +6.22] |
Fine details of change detection per experiment
perf | experiment | goal | Δ mean % | Δ mean % CI |
---|---|---|---|---|
➖ | uds_dogstatsd_to_api_cpu | % cpu utilization | +4.70 | [+3.24, +6.16] |
➖ | tcp_syslog_to_blackhole | ingress throughput | +0.90 | [+0.85, +0.96] |
➖ | idle | memory utilization | +0.47 | [+0.43, +0.51] |
➖ | tcp_dd_logs_filter_exclude | ingress throughput | +0.00 | [-0.00, +0.00] |
➖ | uds_dogstatsd_to_api | ingress throughput | +0.00 | [-0.00, +0.00] |
➖ | trace_agent_msgpack | ingress throughput | +0.00 | [-0.00, +0.00] |
➖ | trace_agent_json | ingress throughput | -0.00 | [-0.04, +0.04] |
➖ | process_agent_standard_check | memory utilization | -0.08 | [-0.14, -0.02] |
➖ | process_agent_real_time_mode | memory utilization | -0.15 | [-0.20, -0.11] |
➖ | process_agent_standard_check_with_stats | memory utilization | -0.31 | [-0.36, -0.26] |
➖ | file_to_blackhole | % cpu utilization | -0.32 | [-6.85, +6.22] |
➖ | file_tree | memory utilization | -0.32 | [-0.43, -0.22] |
➖ | otel_to_otel_logs | ingress throughput | -0.86 | [-1.48, -0.24] |
Explanation
A regression test is an A/B test of target performance in a repeatable rig, where "performance" is measured as "comparison variant minus baseline variant" for an optimization goal (e.g., ingress throughput). Due to intrinsic variability in measuring that goal, we can only estimate its mean value for each experiment; we report uncertainty in that value as a 90.00% confidence interval denoted "Δ mean % CI".
For each experiment, we decide whether a change in performance is a "regression" -- a change worth investigating further -- if all of the following criteria are true:
-
Its estimated |Δ mean %| ≥ 5.00%, indicating the change is big enough to merit a closer look.
-
Its 90.00% confidence interval "Δ mean % CI" does not contain zero, indicating that if our statistical model is accurate, there is at least a 90.00% chance there is a difference in performance between baseline and comparison variants.
-
Its configuration does not mark it "erratic".
/merge
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