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* Add cache resource decoding helpers * Implement a common package for workload selection facilities. This includes: * Controller cache Index * ACL hooks * Dependency Mapper to go from workload to list of resources which select it * Dependency Mapper to go from a resource which selects workloads to all the workloads it selects. * Update the endpoints controller to use the cache instead of custom mappers. Co-authored-by: R.B. Boyer <4903+rboyer@users.noreply.github.com>
49 lines
1.5 KiB
Go
49 lines
1.5 KiB
Go
// Copyright (c) HashiCorp, Inc.
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// SPDX-License-Identifier: BUSL-1.1
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package indexers
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import (
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"github.com/hashicorp/consul/internal/controller/cache/index"
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"github.com/hashicorp/consul/internal/resource"
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"github.com/hashicorp/consul/proto-public/pbresource"
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)
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func IDIndex(name string, opts ...index.IndexOption) *index.Index {
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return index.New(name, &idOrRefIndexer{getID: getResourceID}, opts...)
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}
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func OwnerIndex(name string, opts ...index.IndexOption) *index.Index {
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return index.New(name, &idOrRefIndexer{getID: getOwnerID}, opts...)
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}
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func SingleIDOrRefIndex(name string, f GetSingleRefOrID, opts ...index.IndexOption) *index.Index {
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return index.New(name, &idOrRefIndexer{getID: f}, opts...)
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}
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//go:generate mockery --name GetSingleRefOrID --with-expecter
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type GetSingleRefOrID func(*pbresource.Resource) resource.ReferenceOrID
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func getResourceID(r *pbresource.Resource) resource.ReferenceOrID {
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return r.GetId()
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}
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func getOwnerID(r *pbresource.Resource) resource.ReferenceOrID {
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return r.GetOwner()
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}
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type idOrRefIndexer struct {
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getID GetSingleRefOrID
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}
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// FromArgs constructs a radix tree key from an ID for lookup.
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func (i idOrRefIndexer) FromArgs(args ...any) ([]byte, error) {
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return index.MaybePrefixReferenceOrIDFromArgs(args...)
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}
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// FromObject constructs a radix tree key from a Resource at write-time, or an
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// ID at delete-time.
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func (i idOrRefIndexer) FromResource(r *pbresource.Resource) (bool, []byte, error) {
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return true, index.IndexFromRefOrID(i.getID(r)), nil
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}
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