add some oplog bits

internal/db/migrations/postgres.gen.go

@@ -2446,6 +2446,10 @@ before
 insert on kms_session_key_version
   for each row execute procedure default_create_time();
 
+  insert into oplog_ticket
+    (name, version)
+  values
+    ('kms_external_config', 1);
 commit;
 `),
 	},

internal/db/migrations/postgres/20_keys.up.sql

@@ -302,4 +302,8 @@ before
 insert on kms_session_key_version
   for each row execute procedure default_create_time();
 
+  insert into oplog_ticket
+    (name, version)
+  values
+    ('kms_external_config', 1);
 commit;

internal/kms/external_config.go

@@ -7,6 +7,7 @@ import (
 
 	"github.com/hashicorp/boundary/internal/db"
 	"github.com/hashicorp/boundary/internal/kms/store"
+	"github.com/hashicorp/boundary/internal/oplog"
 	"google.golang.org/protobuf/proto"
 )
 
@@ -99,3 +100,13 @@ func (c *ExternalConfig) TableName() string {
 func (c *ExternalConfig) SetTableName(n string) {
 	c.tableName = n
 }
+
+func (c *ExternalConfig) oplog(op oplog.OpType) oplog.Metadata {
+	metadata := oplog.Metadata{
+		"resource-public-id": []string{c.PrivateId},
+		"resource-type":      []string{"external kms config"},
+		"op-type":            []string{op.String()},
+		"scope-id":           []string{c.ScopeId},
+	}
+	return metadata
+}