bugfix prometheus export return value

[kpango]

Signed-off-by: kpango kpango@vdaas.org

Description:

SSIA

Related Issue:

How Has This Been Tested?:

Environment:

• Go Version: 1.19.2
• Docker Version: 20.10.8
• Kubernetes Version: 1.22.0
• NGT Version: 1.14.8

Types of changes:

• Bug fix [type/bug]
• New feature [type/feature]
• Add tests [type/test]
• Security related changes [type/security]
• Add documents [type/documentation]
• Refactoring [type/refactoring]
• Update dependencies [type/dependency]
• Update benchmarks and performances [type/bench]
• Update CI [type/ci]

Changes to Core Features:

• Have you added an explanation of what your changes do and why you'd like us to include them?
• Have you written new tests for your core changes, as applicable?
• Have you successfully ran tests with your changes locally?

Checklist:

• I have read the CONTRIBUTING document.
• I have checked open Pull Requests for the similar feature or fixes?
• I have added tests and benchmarks to cover my changes.
• I have ensured all new and existing tests passed.
• I have commented my code, particularly in hard-to-understand areas
• I have updated the documentation accordingly.

[vdaas-ci]

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[codecov]

Codecov Report

Base: 30.34% // Head: 30.36% // Increases project coverage by +0.01% 🎉

Coverage data is based on head (420575b) compared to base (80c42fc).
Patch coverage: 0.00% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1817      +/-   ##
==========================================
+ Coverage   30.34%   30.36%   +0.01%     
==========================================
  Files         371      371              
  Lines       34033    34033              
==========================================
+ Hits        10328    10334       +6     
+ Misses      23285    23279       -6     
  Partials      420      420              

Impacted Files	Coverage Δ
internal/io/copy.go	62.50% <ø> (ø)
internal/net/grpc/option.go	4.74% <ø> (ø)
...al/observability/exporter/prometheus/prometheus.go	0.00% <0.00%> (ø)
internal/observability/metrics/version/version.go	0.00% <ø> (ø)
...ent/sidecar/usecase/initcontainer/initcontainer.go	0.00% <ø> (ø)
...ent/core/ngt/service/vqueue/undeleted_index_map.go	68.33% <0.00%> (-2.78%)	⬇️
internal/worker/worker.go	82.30% <0.00%> (ø)
internal/errgroup/group.go	95.00% <0.00%> (+1.00%)	⬆️
...nt/core/ngt/service/vqueue/uninserted_index_map.go	78.68% <0.00%> (+5.46%)	⬆️

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[hlts2]

LGTM

[cloudflare-workers-and-pages]

Deploying with    Cloudflare Pages

Latest commit:	9026bd3
Status:	✅  Deploy successful!
Preview URL:	https://2baa0f39.vald.pages.dev
Branch Preview URL:	https://bugfix-internal-prometheus.vald.pages.dev

View logs

[hlts2]

LGTM

[github-actions]

[FOSSA] The scan result will be available at https://app.fossa.com/projects/custom%2B21465%2Fvald/refs/branch/bugfix%2Finternal%2Fprometheus/59b150a8198334de77097037b69a4ee2ebf3fa14

[vdaas-ci]

Profile Report

type	vald-agent-ngt	vald-lb-gateway	vald-discoverer	vald-manager-index
cpu
heap

other images

[vankichi]

LGTM