diff --git a/discovery/remotebuildexecution-v1.json b/discovery/remotebuildexecution-v1.json
index 8ca6a815c1..3d08dff697 100644
--- a/discovery/remotebuildexecution-v1.json
+++ b/discovery/remotebuildexecution-v1.json
@@ -307,7 +307,7 @@
       }
     }
   },
-  "revision": "20201006",
+  "revision": "20201201",
   "rootUrl": "https://remotebuildexecution.googleapis.com/",
   "schemas": {
     "BuildBazelRemoteExecutionV2Action": {
@@ -1042,7 +1042,8 @@
             "DOCKER_CREATE_RUNTIME_FILE_NOT_FOUND",
             "DOCKER_CREATE_RUNTIME_PERMISSION_DENIED",
             "DOCKER_CREATE_PROCESS_FILE_NOT_FOUND",
-            "DOCKER_CREATE_COMPUTE_SYSTEM_INCORRECT_PARAMETER_ERROR"
+            "DOCKER_CREATE_COMPUTE_SYSTEM_INCORRECT_PARAMETER_ERROR",
+            "DOCKER_TOO_MANY_SYMBOLIC_LINK_LEVELS"
           ],
           "enumDescriptions": [
             "The command succeeded.",
@@ -1082,7 +1083,8 @@
             "Docker failed to create OCI runtime because of file not found.",
             "Docker failed to create OCI runtime because of permission denied.",
             "Docker failed to create process because of file not found.",
-            "Docker failed to run containers with CreateComputeSystem error that involves an incorrect parameter (more specific version of DOCKER_CREATE_COMPUTE_SYSTEM_ERROR that is user-caused)."
+            "Docker failed to run containers with CreateComputeSystem error that involves an incorrect parameter (more specific version of DOCKER_CREATE_COMPUTE_SYSTEM_ERROR that is user-caused).",
+            "Docker failed to create an overlay mount because of too many levels of symbolic links."
           ],
           "type": "string"
         },
@@ -1411,21 +1413,6 @@
       },
       "type": "object"
     },
-    "GoogleDevtoolsRemotebuildexecutionAdminV1alphaSoleTenancyConfig": {
-      "description": "SoleTenancyConfig specifies information required to host a pool on STNs.",
-      "id": "GoogleDevtoolsRemotebuildexecutionAdminV1alphaSoleTenancyConfig",
-      "properties": {
-        "nodeType": {
-          "description": "The sole-tenant node type to host the pool's workers on.",
-          "type": "string"
-        },
-        "nodesZone": {
-          "description": "Zone in which STNs are reserved.",
-          "type": "string"
-        }
-      },
-      "type": "object"
-    },
     "GoogleDevtoolsRemotebuildexecutionAdminV1alphaUpdateInstanceRequest": {
       "description": "The request used for `UpdateInstance`.",
       "id": "GoogleDevtoolsRemotebuildexecutionAdminV1alphaUpdateInstanceRequest",
@@ -1511,9 +1498,9 @@
           "description": "Determines whether the worker is reserved (equivalent to a Compute Engine on-demand VM and therefore won't be preempted). See [Preemptible VMs](https://cloud.google.com/preemptible-vms/) for more details.",
           "type": "boolean"
         },
-        "soleTenancy": {
-          "$ref": "GoogleDevtoolsRemotebuildexecutionAdminV1alphaSoleTenancyConfig",
-          "description": "Sole-tenant node information for pools hosted on STNs."
+        "soleTenantNodeType": {
+          "description": "The node type name to be used for sole-tenant nodes.",
+          "type": "string"
         },
         "vmImage": {
           "description": "The name of the image used by each VM.",
diff --git a/discovery/remotebuildexecution-v1alpha.json b/discovery/remotebuildexecution-v1alpha.json
index 9237184a95..87043d2e45 100644
--- a/discovery/remotebuildexecution-v1alpha.json
+++ b/discovery/remotebuildexecution-v1alpha.json
@@ -432,7 +432,7 @@
       }
     }
   },
-  "revision": "20201006",
+  "revision": "20201201",
   "rootUrl": "https://admin-remotebuildexecution.googleapis.com/",
   "schemas": {
     "BuildBazelRemoteExecutionV2Action": {
@@ -1156,7 +1156,8 @@
             "DOCKER_CREATE_RUNTIME_FILE_NOT_FOUND",
             "DOCKER_CREATE_RUNTIME_PERMISSION_DENIED",
             "DOCKER_CREATE_PROCESS_FILE_NOT_FOUND",
-            "DOCKER_CREATE_COMPUTE_SYSTEM_INCORRECT_PARAMETER_ERROR"
+            "DOCKER_CREATE_COMPUTE_SYSTEM_INCORRECT_PARAMETER_ERROR",
+            "DOCKER_TOO_MANY_SYMBOLIC_LINK_LEVELS"
           ],
           "enumDescriptions": [
             "The command succeeded.",
@@ -1196,7 +1197,8 @@
             "Docker failed to create OCI runtime because of file not found.",
             "Docker failed to create OCI runtime because of permission denied.",
             "Docker failed to create process because of file not found.",
-            "Docker failed to run containers with CreateComputeSystem error that involves an incorrect parameter (more specific version of DOCKER_CREATE_COMPUTE_SYSTEM_ERROR that is user-caused)."
+            "Docker failed to run containers with CreateComputeSystem error that involves an incorrect parameter (more specific version of DOCKER_CREATE_COMPUTE_SYSTEM_ERROR that is user-caused).",
+            "Docker failed to create an overlay mount because of too many levels of symbolic links."
           ],
           "type": "string"
         },
@@ -1525,21 +1527,6 @@
       },
       "type": "object"
     },
-    "GoogleDevtoolsRemotebuildexecutionAdminV1alphaSoleTenancyConfig": {
-      "description": "SoleTenancyConfig specifies information required to host a pool on STNs.",
-      "id": "GoogleDevtoolsRemotebuildexecutionAdminV1alphaSoleTenancyConfig",
-      "properties": {
-        "nodeType": {
-          "description": "The sole-tenant node type to host the pool's workers on.",
-          "type": "string"
-        },
-        "nodesZone": {
-          "description": "Zone in which STNs are reserved.",
-          "type": "string"
-        }
-      },
-      "type": "object"
-    },
     "GoogleDevtoolsRemotebuildexecutionAdminV1alphaUpdateInstanceRequest": {
       "description": "The request used for `UpdateInstance`.",
       "id": "GoogleDevtoolsRemotebuildexecutionAdminV1alphaUpdateInstanceRequest",
@@ -1625,9 +1612,9 @@
           "description": "Determines whether the worker is reserved (equivalent to a Compute Engine on-demand VM and therefore won't be preempted). See [Preemptible VMs](https://cloud.google.com/preemptible-vms/) for more details.",
           "type": "boolean"
         },
-        "soleTenancy": {
-          "$ref": "GoogleDevtoolsRemotebuildexecutionAdminV1alphaSoleTenancyConfig",
-          "description": "Sole-tenant node information for pools hosted on STNs."
+        "soleTenantNodeType": {
+          "description": "The node type name to be used for sole-tenant nodes.",
+          "type": "string"
         },
         "vmImage": {
           "description": "The name of the image used by each VM.",
diff --git a/discovery/remotebuildexecution-v2.json b/discovery/remotebuildexecution-v2.json
index 1016dc514b..b4343c7831 100644
--- a/discovery/remotebuildexecution-v2.json
+++ b/discovery/remotebuildexecution-v2.json
@@ -447,7 +447,7 @@
       }
     }
   },
-  "revision": "20201006",
+  "revision": "20201201",
   "rootUrl": "https://remotebuildexecution.googleapis.com/",
   "schemas": {
     "BuildBazelRemoteExecutionV2Action": {
@@ -1571,7 +1571,8 @@
             "DOCKER_CREATE_RUNTIME_FILE_NOT_FOUND",
             "DOCKER_CREATE_RUNTIME_PERMISSION_DENIED",
             "DOCKER_CREATE_PROCESS_FILE_NOT_FOUND",
-            "DOCKER_CREATE_COMPUTE_SYSTEM_INCORRECT_PARAMETER_ERROR"
+            "DOCKER_CREATE_COMPUTE_SYSTEM_INCORRECT_PARAMETER_ERROR",
+            "DOCKER_TOO_MANY_SYMBOLIC_LINK_LEVELS"
           ],
           "enumDescriptions": [
             "The command succeeded.",
@@ -1611,7 +1612,8 @@
             "Docker failed to create OCI runtime because of file not found.",
             "Docker failed to create OCI runtime because of permission denied.",
             "Docker failed to create process because of file not found.",
-            "Docker failed to run containers with CreateComputeSystem error that involves an incorrect parameter (more specific version of DOCKER_CREATE_COMPUTE_SYSTEM_ERROR that is user-caused)."
+            "Docker failed to run containers with CreateComputeSystem error that involves an incorrect parameter (more specific version of DOCKER_CREATE_COMPUTE_SYSTEM_ERROR that is user-caused).",
+            "Docker failed to create an overlay mount because of too many levels of symbolic links."
           ],
           "type": "string"
         },
@@ -1940,21 +1942,6 @@
       },
       "type": "object"
     },
-    "GoogleDevtoolsRemotebuildexecutionAdminV1alphaSoleTenancyConfig": {
-      "description": "SoleTenancyConfig specifies information required to host a pool on STNs.",
-      "id": "GoogleDevtoolsRemotebuildexecutionAdminV1alphaSoleTenancyConfig",
-      "properties": {
-        "nodeType": {
-          "description": "The sole-tenant node type to host the pool's workers on.",
-          "type": "string"
-        },
-        "nodesZone": {
-          "description": "Zone in which STNs are reserved.",
-          "type": "string"
-        }
-      },
-      "type": "object"
-    },
     "GoogleDevtoolsRemotebuildexecutionAdminV1alphaUpdateInstanceRequest": {
       "description": "The request used for `UpdateInstance`.",
       "id": "GoogleDevtoolsRemotebuildexecutionAdminV1alphaUpdateInstanceRequest",
@@ -2040,9 +2027,9 @@
           "description": "Determines whether the worker is reserved (equivalent to a Compute Engine on-demand VM and therefore won't be preempted). See [Preemptible VMs](https://cloud.google.com/preemptible-vms/) for more details.",
           "type": "boolean"
         },
-        "soleTenancy": {
-          "$ref": "GoogleDevtoolsRemotebuildexecutionAdminV1alphaSoleTenancyConfig",
-          "description": "Sole-tenant node information for pools hosted on STNs."
+        "soleTenantNodeType": {
+          "description": "The node type name to be used for sole-tenant nodes.",
+          "type": "string"
         },
         "vmImage": {
           "description": "The name of the image used by each VM.",
diff --git a/src/apis/remotebuildexecution/v1.ts b/src/apis/remotebuildexecution/v1.ts
index 7890b607df..a91986edc1 100644
--- a/src/apis/remotebuildexecution/v1.ts
+++ b/src/apis/remotebuildexecution/v1.ts
@@ -886,19 +886,6 @@ export namespace remotebuildexecution_v1 {
      */
     workerPools?: Schema$GoogleDevtoolsRemotebuildexecutionAdminV1alphaWorkerPool[];
   }
-  /**
-   * SoleTenancyConfig specifies information required to host a pool on STNs.
-   */
-  export interface Schema$GoogleDevtoolsRemotebuildexecutionAdminV1alphaSoleTenancyConfig {
-    /**
-     * Zone in which STNs are reserved.
-     */
-    nodesZone?: string | null;
-    /**
-     * The sole-tenant node type to host the pool's workers on.
-     */
-    nodeType?: string | null;
-  }
   /**
    * The request used for `UpdateInstance`.
    */
@@ -974,9 +961,9 @@ export namespace remotebuildexecution_v1 {
      */
     reserved?: boolean | null;
     /**
-     * Sole-tenant node information for pools hosted on STNs.
+     * The node type name to be used for sole-tenant nodes.
      */
-    soleTenancy?: Schema$GoogleDevtoolsRemotebuildexecutionAdminV1alphaSoleTenancyConfig;
+    soleTenantNodeType?: string | null;
     /**
      * The name of the image used by each VM.
      */
diff --git a/src/apis/remotebuildexecution/v1alpha.ts b/src/apis/remotebuildexecution/v1alpha.ts
index 00bb6a5d2c..4abb56176e 100644
--- a/src/apis/remotebuildexecution/v1alpha.ts
+++ b/src/apis/remotebuildexecution/v1alpha.ts
@@ -873,19 +873,6 @@ export namespace remotebuildexecution_v1alpha {
      */
     workerPools?: Schema$GoogleDevtoolsRemotebuildexecutionAdminV1alphaWorkerPool[];
   }
-  /**
-   * SoleTenancyConfig specifies information required to host a pool on STNs.
-   */
-  export interface Schema$GoogleDevtoolsRemotebuildexecutionAdminV1alphaSoleTenancyConfig {
-    /**
-     * Zone in which STNs are reserved.
-     */
-    nodesZone?: string | null;
-    /**
-     * The sole-tenant node type to host the pool's workers on.
-     */
-    nodeType?: string | null;
-  }
   /**
    * The request used for `UpdateInstance`.
    */
@@ -961,9 +948,9 @@ export namespace remotebuildexecution_v1alpha {
      */
     reserved?: boolean | null;
     /**
-     * Sole-tenant node information for pools hosted on STNs.
+     * The node type name to be used for sole-tenant nodes.
      */
-    soleTenancy?: Schema$GoogleDevtoolsRemotebuildexecutionAdminV1alphaSoleTenancyConfig;
+    soleTenantNodeType?: string | null;
     /**
      * The name of the image used by each VM.
      */
diff --git a/src/apis/remotebuildexecution/v2.ts b/src/apis/remotebuildexecution/v2.ts
index 000956b643..5fe95670f8 100644
--- a/src/apis/remotebuildexecution/v2.ts
+++ b/src/apis/remotebuildexecution/v2.ts
@@ -1145,19 +1145,6 @@ export namespace remotebuildexecution_v2 {
      */
     workerPools?: Schema$GoogleDevtoolsRemotebuildexecutionAdminV1alphaWorkerPool[];
   }
-  /**
-   * SoleTenancyConfig specifies information required to host a pool on STNs.
-   */
-  export interface Schema$GoogleDevtoolsRemotebuildexecutionAdminV1alphaSoleTenancyConfig {
-    /**
-     * Zone in which STNs are reserved.
-     */
-    nodesZone?: string | null;
-    /**
-     * The sole-tenant node type to host the pool's workers on.
-     */
-    nodeType?: string | null;
-  }
   /**
    * The request used for `UpdateInstance`.
    */
@@ -1233,9 +1220,9 @@ export namespace remotebuildexecution_v2 {
      */
     reserved?: boolean | null;
     /**
-     * Sole-tenant node information for pools hosted on STNs.
+     * The node type name to be used for sole-tenant nodes.
      */
-    soleTenancy?: Schema$GoogleDevtoolsRemotebuildexecutionAdminV1alphaSoleTenancyConfig;
+    soleTenantNodeType?: string | null;
     /**
      * The name of the image used by each VM.
      */