Make RESTMapper in client cluster-aware#57
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| var mu sync.RWMutex | ||
| cache := expirable.NewLRU[logicalcluster.Path, meta.RESTMapper](1000, nil, time.Minute) | ||
| return func(ctx context.Context) (meta.RESTMapper, error) { | ||
| c, _ := kontext.ClusterFrom(ctx) |
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The error from kontext.ClusterFrom(ctx) is ignored (c, _ := kontext.ClusterFrom(ctx)). We may consider it.
c, err := kontext.ClusterFrom(ctx)
if err != nil {
// Handle error appropriately, perhaps returning a nil mapper with the error
return nil, err
}
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Noticed that the second return value is a boolean, not an error. Will add a comment.
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Signed-off-by: Dr. Stefan Schimanski <stefan.schimanski@gmail.com>
Signed-off-by: Dr. Stefan Schimanski <stefan.schimanski@gmail.com>
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mjudeikis
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| scheme: options.Scheme, | ||
| mapper: options.Mapper, | ||
| } | ||
| mapperCache, err := lru.New[logicalcluster.Name, meta.RESTMapper](1000) |
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Would it make sense 1000 to create a global variable? If somebody wants to tune it, its possible this way?
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LGTM label has been added. DetailsGit tree hash: 012e2b48af67a9a94da088abcc0ca6420e82eec7 |
Signed-off-by: Dr. Stefan Schimanski <stefan.schimanski@gmail.com>
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Signed-off-by: Dr. Stefan Schimanski <stefan.schimanski@gmail.com>
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/lgtm |
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LGTM label has been added. DetailsGit tree hash: e5fbb599c01580fe2f73c6de2763b38d309d80f3 |
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[APPROVALNOTIFIER] This PR is APPROVED This pull-request has been approved by: mjudeikis The full list of commands accepted by this bot can be found here. The pull request process is described here DetailsNeeds approval from an approver in each of these files:
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This PR makes discovery cluster-aware, i.e. the RESTMapper is instantiated per cluster and cached with an LRU cache.
This matters because currently the controller-runtime client is unusable on non-uniform virtual workspaces or even against kcp itself as a scoped client because the used REST mapper talks to the wildcard endpoint only.