Make the config entry and leaf cert cache types ns aware (#7256)

agent/cache-types/connect_ca_leaf.go

@@ -10,6 +10,7 @@ import (
 	"time"
 
 	"github.com/hashicorp/consul/lib"
+	"github.com/mitchellh/hashstructure"
 
 	"github.com/hashicorp/consul/agent/cache"
 	"github.com/hashicorp/consul/agent/connect"
@@ -654,7 +655,20 @@ func (r *ConnectCALeafRequest) Key() string {
 		return fmt.Sprintf("agent:%s", r.Agent)
 	}
 
-	return fmt.Sprintf("service:%s", r.Service)
+	r.EnterpriseMeta.Normalize()
+
+	v, err := hashstructure.Hash([]interface{}{
+		r.Service,
+		r.EnterpriseMeta,
+	}, nil)
+	if err == nil {
+		return fmt.Sprintf("service:%d", v)
+	}
+
+	// If there is an error, we don't set the key. A blank key forces
+	// no cache for this request so the request is forwarded directly
+	// to the server.
+	return ""
 }
 
 func (r *ConnectCALeafRequest) CacheInfo() cache.RequestInfo {

agent/cache-types/connect_ca_leaf_test.go

@@ -2,6 +2,7 @@ package cachetype
 
 import (
 	"fmt"
+	"strings"
 	"sync/atomic"
 	"testing"
 	"time"
@@ -1018,8 +1019,15 @@ func (r *testGatedRootsRPC) RPC(method string, args interface{}, reply interface
 }
 
 func TestConnectCALeaf_Key(t *testing.T) {
-	r := ConnectCALeafRequest{Service: "web"}
-	require.Equal(t, "service:web", r.Key())
-	r = ConnectCALeafRequest{Agent: "abc"}
+	r1 := ConnectCALeafRequest{Service: "web"}
+	r2 := ConnectCALeafRequest{Service: "api"}
+
+	// hashstructure will hash the service name + ent meta to produce this key
+	r1Key := r1.Key()
+	r2Key := r2.Key()
+	require.True(t, strings.HasPrefix(r1Key, "service:"), "Key %s does not start with service:", r1Key)
+	require.True(t, strings.HasPrefix(r2Key, "service:"), "Key %s does not start with service:", r2Key)
+	require.NotEqual(t, r1Key, r2Key, "Cache keys for different services are not equal")
+	r := ConnectCALeafRequest{Agent: "abc"}
 	require.Equal(t, "agent:abc", r.Key())
 }

agent/structs/acl.go

@@ -182,6 +182,7 @@ func (s *ACLServiceIdentity) SyntheticPolicy(entMeta *EnterpriseMeta) *ACLPolicy
 	policy.Rules = rules
 	policy.Syntax = acl.SyntaxCurrent
 	policy.Datacenters = s.Datacenters
+	policy.EnterpriseMeta.Merge(entMeta)
 	policy.SetHash(true)
 	return policy
 }

agent/structs/config_entry.go

@@ -510,6 +510,7 @@ func (r *ConfigEntryQuery) CacheInfo() cache.RequestInfo {
 		r.Kind,
 		r.Name,
 		r.Filter,
+		r.EnterpriseMeta,
 	}, nil)
 	if err == nil {
 		// If there is an error, we don't set the key. A blank key forces
@@ -558,9 +559,11 @@ func (r *ServiceConfigRequest) CacheInfo() cache.RequestInfo {
 	// and change it.
 	v, err := hashstructure.Hash(struct {
 		Name           string
+		EnterpriseMeta EnterpriseMeta
 		Upstreams      []string `hash:"set"`
 	}{
 		Name:           r.Name,
+		EnterpriseMeta: r.EnterpriseMeta,
 		Upstreams:      r.Upstreams,
 	}, nil)
 	if err == nil {