mirror of https://github.com/hashicorp/consul
67 lines
2.2 KiB
Go
67 lines
2.2 KiB
Go
// Copyright (c) HashiCorp, Inc.
|
|
// SPDX-License-Identifier: BUSL-1.1
|
|
|
|
package proxycfgglue
|
|
|
|
import (
|
|
"context"
|
|
|
|
"github.com/hashicorp/go-memdb"
|
|
|
|
"github.com/hashicorp/consul/acl"
|
|
"github.com/hashicorp/consul/agent/cache"
|
|
cachetype "github.com/hashicorp/consul/agent/cache-types"
|
|
"github.com/hashicorp/consul/agent/consul/watch"
|
|
"github.com/hashicorp/consul/agent/proxycfg"
|
|
"github.com/hashicorp/consul/agent/structs"
|
|
"github.com/hashicorp/consul/agent/structs/aclfilter"
|
|
)
|
|
|
|
// CacheGatewayServices satisfies the proxycfg.GatewayServices interface by
|
|
// sourcing data from the agent cache.
|
|
func CacheGatewayServices(c *cache.Cache) proxycfg.GatewayServices {
|
|
return &cacheProxyDataSource[*structs.ServiceSpecificRequest]{c, cachetype.GatewayServicesName}
|
|
}
|
|
|
|
// ServerGatewayServices satisfies the proxycfg.GatewayServices interface by
|
|
// sourcing data from a blocking query against the server's state store.
|
|
func ServerGatewayServices(deps ServerDataSourceDeps) proxycfg.GatewayServices {
|
|
return &serverGatewayServices{deps}
|
|
}
|
|
|
|
type serverGatewayServices struct {
|
|
deps ServerDataSourceDeps
|
|
}
|
|
|
|
func (s *serverGatewayServices) Notify(ctx context.Context, req *structs.ServiceSpecificRequest, correlationID string, ch chan<- proxycfg.UpdateEvent) error {
|
|
return watch.ServerLocalNotify(ctx, correlationID, s.deps.GetStore,
|
|
func(ws memdb.WatchSet, store Store) (uint64, *structs.IndexedGatewayServices, error) {
|
|
var authzContext acl.AuthorizerContext
|
|
authz, err := s.deps.ACLResolver.ResolveTokenAndDefaultMeta(req.Token, &req.EnterpriseMeta, &authzContext)
|
|
if err != nil {
|
|
return 0, nil, err
|
|
}
|
|
if err := authz.ToAllowAuthorizer().ServiceReadAllowed(req.ServiceName, &authzContext); err != nil {
|
|
return 0, nil, err
|
|
}
|
|
|
|
index, services, err := store.GatewayServices(ws, req.ServiceName, &req.EnterpriseMeta)
|
|
if err != nil {
|
|
return 0, nil, err
|
|
}
|
|
|
|
response := &structs.IndexedGatewayServices{
|
|
Services: services,
|
|
QueryMeta: structs.QueryMeta{
|
|
Backend: structs.QueryBackendBlocking,
|
|
Index: index,
|
|
},
|
|
}
|
|
aclfilter.New(authz, s.deps.Logger).Filter(response)
|
|
|
|
return index, response, nil
|
|
},
|
|
dispatchBlockingQueryUpdate[*structs.IndexedGatewayServices](ch),
|
|
)
|
|
}
|