Add support for session affinity during weighted routing with Istio #1280
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Codecov ReportBase: 54.45% // Head: 54.72% // Increases project coverage by
Additional details and impacted files@@ Coverage Diff @@
## main #1280 +/- ##
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+ Coverage 54.45% 54.72% +0.27%
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Files 81 81
Lines 9408 9515 +107
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+ Hits 5123 5207 +84
- Misses 3663 3682 +19
- Partials 622 626 +4
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stefanprodan
requested changes
Nov 9, 2022
Add `.spec.analysis.sessionAffinity` to configure session affinity for weighted routing. Add support for session affinity in the Istio router, using the `Set-Cookie` and `Cookie` headers. Signed-off-by: Sanskar Jaiswal <[email protected]>
Signed-off-by: Sanskar Jaiswal <[email protected]>
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Signed-off-by: Sanskar Jaiswal <[email protected]>
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Add support for session affinity/sticky sessions during weighted routing with Istio, i.e. when a user is routed to the canary deployment, all subsequent requests from that user will hit the canary deployments, even though weighted routing is active.
This feature can be enabled by specifying a
.spec.analysis.sessionAffinty.cookieName. This value combined with a random sequence (<cookie-name>: <random-sequence>) is used as the value of theSet-Cookieheader, and then all requests' headers that match against this value are sent to the canary deployment. Users can also specify.spec.analysis.sessionAffinity.maxAgeto configure the lifetime of the cookie being set.Fixes: #1198, #1232