5abaaead05
* Add Peer field to service-defaults upstream overrides. * add api changes, compat mode for service default overrides * Fixes based on testing --------- Co-authored-by: DanStough <dan.stough@hashicorp.com>
71 lines
2.4 KiB
Go
71 lines
2.4 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/agent/cache"
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cachetype "github.com/hashicorp/consul/agent/cache-types"
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"github.com/hashicorp/consul/agent/configentry"
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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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)
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// CacheResolvedServiceConfig satisfies the proxycfg.ResolvedServiceConfig
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// interface by sourcing data from the agent cache.
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func CacheResolvedServiceConfig(c *cache.Cache) proxycfg.ResolvedServiceConfig {
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return &cacheProxyDataSource[*structs.ServiceConfigRequest]{c, cachetype.ResolvedServiceConfigName}
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}
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// ServerResolvedServiceConfig satisfies the proxycfg.ResolvedServiceConfig
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// interface by sourcing data from a blocking query against the server's state
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// store.
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func ServerResolvedServiceConfig(deps ServerDataSourceDeps, remoteSource proxycfg.ResolvedServiceConfig) proxycfg.ResolvedServiceConfig {
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return &serverResolvedServiceConfig{deps, remoteSource}
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}
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type serverResolvedServiceConfig struct {
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deps ServerDataSourceDeps
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remoteSource proxycfg.ResolvedServiceConfig
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}
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func (s *serverResolvedServiceConfig) Notify(ctx context.Context, req *structs.ServiceConfigRequest, correlationID string, ch chan<- proxycfg.UpdateEvent) error {
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if req.Datacenter != s.deps.Datacenter {
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return s.remoteSource.Notify(ctx, req, correlationID, ch)
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}
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if len(req.UpstreamIDs) != 0 {
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return errors.New("ServerResolvedServiceConfig does not support the legacy UpstreamIDs parameter")
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}
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return watch.ServerLocalNotify(ctx, correlationID, s.deps.GetStore,
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func(ws memdb.WatchSet, store Store) (uint64, *structs.ServiceConfigResponse, error) {
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authz, err := s.deps.ACLResolver.ResolveTokenAndDefaultMeta(req.Token, &req.EnterpriseMeta, nil)
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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().ServiceReadAllowed(req.Name, nil); err != nil {
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return 0, nil, err
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}
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idx, entries, err := store.ReadResolvedServiceConfigEntries(ws, req.Name, &req.EnterpriseMeta, req.GetLocalUpstreamIDs(), req.Mode)
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if err != nil {
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return 0, nil, err
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}
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reply, err := configentry.ComputeResolvedServiceConfig(req, entries, s.deps.Logger)
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if err != nil {
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return 0, nil, err
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}
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reply.Index = idx
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return idx, reply, nil
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},
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dispatchBlockingQueryUpdate[*structs.ServiceConfigResponse](ch),
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)
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}
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