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Add kuma support for progressive traffic shifting canaries #1085

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merged 11 commits into from Jan 11, 2022

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johnharris85
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This PR adds support for Kuma service mesh to Flagger.

  • All unit tests pass
  • All e2e tests pass
  • Docs added

Currently only canaries are supported, but I'm planning to add A/B testing in another PR when I get around to it.

Signed-off-by: John Harris <john.harris@konghq.com>
Signed-off-by: John Harris <john.harris@konghq.com>
Signed-off-by: John Harris <john.harris@konghq.com>
Signed-off-by: John Harris <john.harris@konghq.com>
Signed-off-by: John Harris <john.harris@konghq.com>
Signed-off-by: John Harris <john.harris@konghq.com>
Signed-off-by: John Harris <john.harris@konghq.com>
Signed-off-by: John Harris <john.harris@konghq.com>
Signed-off-by: John Harris <john.harris@konghq.com>
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codecov-commenter commented Jan 5, 2022

Codecov Report

Merging #1085 (d203869) into main (ebc26e9) will increase coverage by 0.12%.
The diff coverage is 62.96%.

Impacted file tree graph

@@            Coverage Diff             @@
##             main    #1085      +/-   ##
==========================================
+ Coverage   57.23%   57.36%   +0.12%     
==========================================
  Files          76       78       +2     
  Lines        6162     6297     +135     
==========================================
+ Hits         3527     3612      +85     
- Misses       2105     2148      +43     
- Partials      530      537       +7     
Impacted Files Coverage Δ
pkg/metrics/observers/factory.go 0.00% <0.00%> (ø)
pkg/router/factory.go 0.00% <0.00%> (ø)
pkg/metrics/observers/kuma.go 46.66% <46.66%> (ø)
pkg/router/kuma.go 70.27% <70.27%> (ø)

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@stefanprodan stefanprodan added the kind/feature Feature request label Jan 5, 2022
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This looks great, thank you @johnharris85 🏅

"github.com/fluxcd/flagger/pkg/metrics/providers"
)

// TODO [@johnharris85]: Do we also need to select by mesh here? These could be duplicated (but in different meshes).
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I don't think duplication is possible since the metric refers to a service by name and namespace which are unique per cluster. Can you add the same service to two Kuma meshes?

Signed-off-by: John Harris <john.harris@konghq.com>
Signed-off-by: John Harris <john.harris@konghq.com>
@stefanprodan stefanprodan changed the title Add kuma support Add kuma support for progressive traffic shifting canaries Jan 6, 2022
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LGTM

Thanks @johnharris85 🥇

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Awesome, thanks for the review! I almost have blue-green finished too so if we can get this merged I'll throw that up later this week :)

@stefanprodan stefanprodan merged commit 96d190a into fluxcd:main Jan 11, 2022
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3 participants