This particular set of gists gives you a framework for automating the creation of bundle groups from existing products. The first view is a rule which sets up the product bundle group. The second is a helper which creates a bundle item and ties it to a product. It gets called in a loop in the first rule. The last is an action which can be used t…

copy_product_to_bundle.json

{ "rules_copy_product_to_a_bunde" : {
    "LABEL" : "Create Bundle from a Product Display",
    "PLUGIN" : "rule",
    "OWNER" : "rules",
    "REQUIRES" : [ "rules" ],
    "USES VARIABLES" : { "orig_pbd" : { "label" : "Node as passed", "type" : "node" } },
    "IF" : [
      { "entity_has_field" : { "entity" : [ "orig-pbd" ], "field" : "field_product" } }
    ],
    "DO" : [
      { "entity_create" : {
          "USING" : {
            "type" : "commerce_product",
            "param_sku" : "BUNDLE-[orig-pbd:nid]",
            "param_type" : "commerce_bundle_group",
            "param_title" : "[orig-pdb:title] Bundle",
            "param_creator" : [ "site:current-user" ],
            "param_commerce_price" : { "value" : { "amount" : 0, "currency_code" : "USD" } }
          },
          "PROVIDE" : { "entity_created" : { "created_pbg" : "Created Product Bundle Group" } }
        }
      },
      { "LOOP" : {
          "USING" : { "list" : [ "orig-pbd:field-product" ] },
          "ITEM" : { "orig_pdb_item" : "Current Product Display reference item" },
          "DO" : [
            { "component_rules_create_bundle_item_from_product" : {
                "USING" : { "orig_product" : [ "orig-pdb-item" ] },
                "PROVIDE" : { "pbi_int" : { "pbi_int" : "Bundle Item ID" } }
              }
            },
            { "entity_fetch" : {
                "USING" : { "type" : "commerce_bundle_item", "id" : [ "pbi-int" ] },
                "PROVIDE" : { "entity_fetched" : { "entity_fetched" : "Fetched entity" } }
              }
            },
            { "list_add" : {
                "list" : [ "created-pbg:commerce-bundle-items" ],
                "item" : [ "entity-fetched" ]
              }
            }
          ]
        }
      },
      { "data_set" : {
          "data" : [ "created-pbg:commerce-bundle-unit-quantity" ],
          "value" : "1"
        }
      },
      { "entity_save" : { "data" : [ "created-pbg" ], "immediate" : 1 } }
    ]
  }
}

create_bundle_item_and_link_to_product.json

{ "rules_create_bundle_item_from_product" : {
    "LABEL" : "Create Bundle Item from Product",
    "PLUGIN" : "rule",
    "OWNER" : "rules",
    "REQUIRES" : [ "rules" ],
    "USES VARIABLES" : {
      "orig_product" : { "label" : "Product", "type" : "commerce_product" },
      "pbi_int" : { "label" : "Bundle Item ID", "type" : "integer", "parameter" : false }
    },
    "DO" : [
      { "entity_create" : {
          "USING" : { "type" : "commerce_bundle_item", "param_type" : "bundle_item" },
          "PROVIDE" : { "entity_created" : { "created_pbi" : "Created PBI" } }
        }
      },
      { "data_set" : { "data" : [ "created-pbi:type" ], "value" : "bundle_item" } },
      { "data_set" : {
          "data" : [ "created-pbi:commerce-bundle-product" ],
          "value" : [ "orig-product" ]
        }
      },
      { "data_set" : {
          "data" : [ "created-pbi:commerce-bundle-price" ],
          "value" : [ "orig-product:commerce-price" ]
        }
      },
      { "data_set" : { "data" : [ "created-pbi:status" ], "value" : 1 } },
      { "entity_save" : { "data" : [ "created-pbi" ], "immediate" : 1 } },
      { "data_set" : { "data" : [ "pbi-int" ], "value" : [ "created-pbi:item-id" ] } }
    ],
    "PROVIDES VARIABLES" : [ "pbi_int" ]
  }
}

vbo_action_create_bundle.json

{ "rules_create_a_bundle_from_a_node" : {
    "LABEL" : "Copy into Bundle",
    "PLUGIN" : "action set",
    "OWNER" : "rules",
    "REQUIRES" : [ "rules" ],
    "USES VARIABLES" : { "node" : { "label" : "Node", "type" : "node" } },
    "ACTION SET" : [
      { "component_rules_copy_product_to_a_bunde" : { "orig_pbd" : [ "node" ] } }
    ]
  }
}