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Refactor BackendManager / BackendStorage. #610

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Refactor BackendManager / BackendStorage. #610

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jkh52
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@jkh52 jkh52 commented Apr 15, 2024 •
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Refactor BackendManager / BackendStorage.

The primary reason I want this refactor is to make it simpler to finish #566. But this already large change has these benefits:

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Skipping CI for Draft Pull Request.
If you want CI signal for your change, please convert it to an actual PR.
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@k8s-ci-robot k8s-ci-robot added do-not-merge/work-in-progress Indicates that a PR should not merge because it is a work in progress. cncf-cla: yes Indicates the PR's author has signed the CNCF CLA. labels Apr 15, 2024
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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: jkh52

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@k8s-ci-robot k8s-ci-robot added approved Indicates a PR has been approved by an approver from all required OWNERS files. size/XXL Denotes a PR that changes 1000+ lines, ignoring generated files. labels Apr 15, 2024
@jkh52 jkh52 changed the title One storage Refactor BackendManager / BackendStorage. Apr 15, 2024
@jkh52 jkh52 force-pushed the one-storage branch 3 times, most recently from 550f29b to c50b7e0 Compare April 17, 2024 20:45
@k8s-ci-robot k8s-ci-robot added the needs-rebase Indicates a PR cannot be merged because it has merge conflicts with HEAD. label Apr 20, 2024
@k8s-ci-robot k8s-ci-robot removed the needs-rebase Indicates a PR cannot be merged because it has merge conflicts with HEAD. label May 10, 2024
@jkh52 jkh52 marked this pull request as ready for review May 10, 2024 07:17
@k8s-ci-robot k8s-ci-robot removed the do-not-merge/work-in-progress Indicates that a PR should not merge because it is a work in progress. label May 10, 2024
@k8s-ci-robot k8s-ci-robot requested a review from elmiko May 10, 2024 07:17
@jkh52 jkh52 force-pushed the one-storage branch 2 times, most recently from 70b7c34 to 8618b9a Compare May 10, 2024 07:23
@k8s-ci-robot k8s-ci-robot added the needs-rebase Indicates a PR cannot be merged because it has merge conflicts with HEAD. label Jun 20, 2024
@k8s-ci-robot k8s-ci-robot removed the needs-rebase Indicates a PR cannot be merged because it has merge conflicts with HEAD. label Jun 21, 2024
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jkh52 commented Jun 21, 2024

/assign @cheftako

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cheftako reviewed Jun 26, 2024
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pkg/server/backend_manager.go
idTypes: idTypes,
} /* #nosec G404 */
func (s *DefaultBackendManager) Backend(addr string) (*Backend, error) {
for _, strategy := range s.proxyStrategies {
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Why do we want to consolidate all possible proxy strategies into a single Manager?

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Why do we want to consolidate all possible proxy strategies into a single Manager?

At HEAD we have something of a mess, with 1:1 ProxyStrategy to BackendManager / BackendStorage, but logic spread between pkg/server/.*backend_manager.go and pkg/server/server.go. This change improves separation of concerns. For example, the main loop (pkg/server/server.go) does not need to be aware of proxy strategies.

After this consolidation, I can make the (single) BackendManager aware of agent drained state more safely.

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@k8s-ci-robot k8s-ci-robot added the lifecycle/stale Denotes an issue or PR has remained open with no activity and has become stale. label Sep 24, 2024
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[BUG] The backend ServerMetric is not correct
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