123 lines
4.4 KiB
Go
123 lines
4.4 KiB
Go
package proxycfgglue
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import (
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"context"
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"errors"
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"github.com/hashicorp/go-memdb"
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"github.com/hashicorp/consul/acl"
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"github.com/hashicorp/consul/agent/cache"
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cachetype "github.com/hashicorp/consul/agent/cache-types"
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"github.com/hashicorp/consul/agent/consul/state"
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"github.com/hashicorp/consul/agent/consul/watch"
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"github.com/hashicorp/consul/agent/proxycfg"
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"github.com/hashicorp/consul/agent/structs"
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"github.com/hashicorp/consul/proto/private/pbpeering"
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)
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// CacheTrustBundle satisfies the proxycfg.TrustBundle interface by sourcing
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// data from the agent cache.
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func CacheTrustBundle(c *cache.Cache) proxycfg.TrustBundle {
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return &cacheProxyDataSource[*cachetype.TrustBundleReadRequest]{c, cachetype.TrustBundleReadName}
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}
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// ServerTrustBundle satisfies the proxycfg.TrustBundle interface by sourcing
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// data from a blocking query against the server's state store.
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func ServerTrustBundle(deps ServerDataSourceDeps) proxycfg.TrustBundle {
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return &serverTrustBundle{deps}
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}
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type serverTrustBundle struct {
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deps ServerDataSourceDeps
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}
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func (s *serverTrustBundle) Notify(ctx context.Context, req *cachetype.TrustBundleReadRequest, correlationID string, ch chan<- proxycfg.UpdateEvent) error {
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// Having the ability to write a service in ANY (at least one) namespace should be
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// sufficient for reading the trust bundle, which is why we use a wildcard.
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entMeta := acl.NewEnterpriseMetaWithPartition(req.Request.Partition, acl.WildcardName)
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return watch.ServerLocalNotify(ctx, correlationID, s.deps.GetStore,
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func(ws memdb.WatchSet, store Store) (uint64, *pbpeering.TrustBundleReadResponse, error) {
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var authzCtx acl.AuthorizerContext
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authz, err := s.deps.ACLResolver.ResolveTokenAndDefaultMeta(req.Token, &entMeta, &authzCtx)
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if err != nil {
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return 0, nil, err
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}
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if err := authz.ToAllowAuthorizer().ServiceWriteAnyAllowed(&authzCtx); err != nil {
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return 0, nil, err
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}
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index, bundle, err := store.PeeringTrustBundleRead(ws, state.Query{
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Value: req.Request.Name,
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EnterpriseMeta: *structs.NodeEnterpriseMetaInPartition(req.Request.Partition),
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})
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if err != nil {
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return 0, nil, err
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}
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return index, &pbpeering.TrustBundleReadResponse{
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Index: index,
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Bundle: bundle,
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}, nil
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},
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dispatchBlockingQueryUpdate[*pbpeering.TrustBundleReadResponse](ch),
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)
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}
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// CacheTrustBundleList satisfies the proxycfg.TrustBundleList interface by sourcing
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// data from the agent cache.
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func CacheTrustBundleList(c *cache.Cache) proxycfg.TrustBundleList {
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return &cacheProxyDataSource[*cachetype.TrustBundleListRequest]{c, cachetype.TrustBundleListName}
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}
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// ServerTrustBundleList satisfies the proxycfg.TrustBundle interface by
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// sourcing data from a blocking query against the server's state store.
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func ServerTrustBundleList(deps ServerDataSourceDeps) proxycfg.TrustBundleList {
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return &serverTrustBundleList{deps}
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}
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type serverTrustBundleList struct {
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deps ServerDataSourceDeps
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}
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func (s *serverTrustBundleList) Notify(ctx context.Context, req *cachetype.TrustBundleListRequest, correlationID string, ch chan<- proxycfg.UpdateEvent) error {
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entMeta := acl.NewEnterpriseMetaWithPartition(req.Request.Partition, req.Request.Namespace)
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return watch.ServerLocalNotify(ctx, correlationID, s.deps.GetStore,
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func(ws memdb.WatchSet, store Store) (uint64, *pbpeering.TrustBundleListByServiceResponse, error) {
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var authzCtx acl.AuthorizerContext
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authz, err := s.deps.ACLResolver.ResolveTokenAndDefaultMeta(req.Token, &entMeta, &authzCtx)
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if err != nil {
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return 0, nil, err
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}
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if err := authz.ToAllowAuthorizer().ServiceWriteAllowed(req.Request.ServiceName, &authzCtx); err != nil {
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return 0, nil, err
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}
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var (
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index uint64
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bundles []*pbpeering.PeeringTrustBundle
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)
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switch {
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case req.Request.Kind == string(structs.ServiceKindMeshGateway):
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index, bundles, err = store.PeeringTrustBundleList(ws, entMeta)
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case req.Request.ServiceName != "":
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index, bundles, err = store.TrustBundleListByService(ws, req.Request.ServiceName, s.deps.Datacenter, entMeta)
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case req.Request.Kind != "":
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err = errors.New("kind must be mesh-gateway if set")
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default:
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err = errors.New("one of service or kind is required")
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}
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if err != nil {
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return 0, nil, err
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}
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return index, &pbpeering.TrustBundleListByServiceResponse{
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Index: index,
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Bundles: bundles,
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}, nil
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},
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dispatchBlockingQueryUpdate[*pbpeering.TrustBundleListByServiceResponse](ch),
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)
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}
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