Scott Baker | 6cf525a | 2019-05-09 12:25:08 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Portions copyright 2019-present Open Networking Foundation |
| 3 | * Original copyright 2019-present Ciena Corporation |
| 4 | * |
| 5 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 6 | * you may not use this file except in compliance with the License. |
| 7 | * You may obtain a copy of the License at |
| 8 | * |
| 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 10 | * |
| 11 | * Unless required by applicable law or agreed to in writing, software |
| 12 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | * See the License for the specific language governing permissions and |
| 15 | * limitations under the License. |
| 16 | */ |
| 17 | package commands |
| 18 | |
| 19 | import ( |
| 20 | "context" |
Scott Baker | 6cf525a | 2019-05-09 12:25:08 -0700 | [diff] [blame] | 21 | "fmt" |
| 22 | "github.com/fullstorydev/grpcurl" |
Scott Baker | 5201c0b | 2019-05-15 15:35:56 -0700 | [diff] [blame] | 23 | "github.com/golang/protobuf/proto" |
| 24 | "github.com/golang/protobuf/protoc-gen-go/descriptor" |
| 25 | "github.com/jhump/protoreflect/desc" |
Scott Baker | 6cf525a | 2019-05-09 12:25:08 -0700 | [diff] [blame] | 26 | "github.com/jhump/protoreflect/dynamic" |
Scott Baker | 28a3956 | 2019-07-12 09:34:15 -0700 | [diff] [blame] | 27 | corderrors "github.com/opencord/cordctl/internal/pkg/error" |
Scott Baker | 6cf525a | 2019-05-09 12:25:08 -0700 | [diff] [blame] | 28 | "google.golang.org/grpc" |
Scott Baker | 5201c0b | 2019-05-15 15:35:56 -0700 | [diff] [blame] | 29 | "io" |
| 30 | "strconv" |
Scott Baker | 6cf525a | 2019-05-09 12:25:08 -0700 | [diff] [blame] | 31 | "strings" |
| 32 | "time" |
| 33 | ) |
| 34 | |
Scott Baker | 5201c0b | 2019-05-15 15:35:56 -0700 | [diff] [blame] | 35 | // Flags for calling the *WithRetry methods |
Scott Baker | 1dd0667 | 2019-06-14 15:40:56 -0700 | [diff] [blame] | 36 | const ( |
| 37 | GM_QUIET = 1 |
| 38 | GM_UNTIL_FOUND = 2 |
| 39 | GM_UNTIL_ENACTED = 4 |
| 40 | GM_UNTIL_STATUS = 8 |
| 41 | ) |
| 42 | |
| 43 | // Valid choices for FilterModels `Kind` argument |
| 44 | const ( |
| 45 | FILTER_DEFAULT = "DEFAULT" |
| 46 | FILTER_ALL = "ALL" |
| 47 | FILTER_DIRTY = "SYNCHRONIZER_DIRTY_OBJECTS" |
| 48 | FILTER_DELETED = "SYNCHRONIZER_DELETED_OBJECTS" |
| 49 | FILTER_DIRTYPOL = "SYNCHRONIZER_DIRTY_POLICIES" |
| 50 | FILTER_DELETEDPOL = "SYNCHRONIZER_DELETED_POLICIES" |
| 51 | ) |
Scott Baker | 6cf525a | 2019-05-09 12:25:08 -0700 | [diff] [blame] | 52 | |
Scott Baker | 5201c0b | 2019-05-15 15:35:56 -0700 | [diff] [blame] | 53 | type QueryEventHandler struct { |
| 54 | RpcEventHandler |
| 55 | Elements map[string]string |
| 56 | Model *desc.MessageDescriptor |
| 57 | Kind string |
| 58 | EOF bool |
| 59 | } |
| 60 | |
| 61 | // Separate the operator from the query value. |
| 62 | // For example, |
| 63 | // "==foo" --> "EQUAL", "foo" |
| 64 | func DecodeOperator(query string) (string, string, bool, error) { |
| 65 | if strings.HasPrefix(query, "!=") { |
Scott Baker | 5281d00 | 2019-05-16 10:45:26 -0700 | [diff] [blame] | 66 | return strings.TrimSpace(query[2:]), "EQUAL", true, nil |
Scott Baker | 5201c0b | 2019-05-15 15:35:56 -0700 | [diff] [blame] | 67 | } else if strings.HasPrefix(query, "==") { |
Scott Baker | 20481aa | 2019-06-20 11:00:54 -0700 | [diff] [blame] | 68 | return "", "", false, corderrors.NewInvalidInputError("Operator == is now allowed. Suggest using = instead.") |
Scott Baker | cbad9a9 | 2019-08-01 16:01:38 -0700 | [diff] [blame] | 69 | } else if strings.HasPrefix(query, "~=") { |
| 70 | return strings.TrimSpace(query[2:]), "REGEX", false, nil |
| 71 | } else if strings.HasPrefix(query, "[=") { |
| 72 | return strings.TrimSpace(query[2:]), "CONTAINS", false, nil |
Scott Baker | 5201c0b | 2019-05-15 15:35:56 -0700 | [diff] [blame] | 73 | } else if strings.HasPrefix(query, "=") { |
Scott Baker | 5281d00 | 2019-05-16 10:45:26 -0700 | [diff] [blame] | 74 | return strings.TrimSpace(query[1:]), "EQUAL", false, nil |
Scott Baker | 5201c0b | 2019-05-15 15:35:56 -0700 | [diff] [blame] | 75 | } else if strings.HasPrefix(query, ">=") { |
Scott Baker | 5281d00 | 2019-05-16 10:45:26 -0700 | [diff] [blame] | 76 | return strings.TrimSpace(query[2:]), "GREATER_THAN_OR_EQUAL", false, nil |
Scott Baker | 5201c0b | 2019-05-15 15:35:56 -0700 | [diff] [blame] | 77 | } else if strings.HasPrefix(query, ">") { |
Scott Baker | 5281d00 | 2019-05-16 10:45:26 -0700 | [diff] [blame] | 78 | return strings.TrimSpace(query[1:]), "GREATER_THAN", false, nil |
Scott Baker | 5201c0b | 2019-05-15 15:35:56 -0700 | [diff] [blame] | 79 | } else if strings.HasPrefix(query, "<=") { |
Scott Baker | 5281d00 | 2019-05-16 10:45:26 -0700 | [diff] [blame] | 80 | return strings.TrimSpace(query[2:]), "LESS_THAN_OR_EQUAL", false, nil |
Scott Baker | 5201c0b | 2019-05-15 15:35:56 -0700 | [diff] [blame] | 81 | } else if strings.HasPrefix(query, "<") { |
Scott Baker | 5281d00 | 2019-05-16 10:45:26 -0700 | [diff] [blame] | 82 | return strings.TrimSpace(query[1:]), "LESS_THAN", false, nil |
Scott Baker | 5201c0b | 2019-05-15 15:35:56 -0700 | [diff] [blame] | 83 | } else { |
Scott Baker | 5281d00 | 2019-05-16 10:45:26 -0700 | [diff] [blame] | 84 | return strings.TrimSpace(query), "EQUAL", false, nil |
Scott Baker | 5201c0b | 2019-05-15 15:35:56 -0700 | [diff] [blame] | 85 | } |
| 86 | } |
| 87 | |
| 88 | // Generate the parameters for Query messages. |
| 89 | func (h *QueryEventHandler) GetParams(msg proto.Message) error { |
| 90 | dmsg, err := dynamic.AsDynamicMessage(msg) |
| 91 | if err != nil { |
| 92 | return err |
| 93 | } |
| 94 | |
| 95 | //fmt.Printf("MessageName: %s\n", dmsg.XXX_MessageName()) |
| 96 | |
| 97 | if h.EOF { |
| 98 | return io.EOF |
| 99 | } |
| 100 | |
| 101 | // Get the MessageType for the `elements` field |
| 102 | md := dmsg.GetMessageDescriptor() |
| 103 | elements_fld := md.FindFieldByName("elements") |
| 104 | elements_mt := elements_fld.GetMessageType() |
| 105 | |
| 106 | for field_name, element := range h.Elements { |
| 107 | value, operator, invert, err := DecodeOperator(element) |
| 108 | if err != nil { |
| 109 | return err |
| 110 | } |
| 111 | |
| 112 | nm := dynamic.NewMessage(elements_mt) |
| 113 | |
Scott Baker | 5281d00 | 2019-05-16 10:45:26 -0700 | [diff] [blame] | 114 | field_descriptor := h.Model.FindFieldByName(field_name) |
| 115 | if field_descriptor == nil { |
Scott Baker | 20481aa | 2019-06-20 11:00:54 -0700 | [diff] [blame] | 116 | return corderrors.WithStackTrace(&corderrors.FieldDoesNotExistError{ModelName: h.Model.GetName(), FieldName: field_name}) |
Scott Baker | 5281d00 | 2019-05-16 10:45:26 -0700 | [diff] [blame] | 117 | } |
| 118 | |
| 119 | field_type := field_descriptor.GetType() |
| 120 | switch field_type { |
| 121 | case descriptor.FieldDescriptorProto_TYPE_INT32: |
| 122 | var i int64 |
| 123 | i, err = strconv.ParseInt(value, 10, 32) |
Scott Baker | 5201c0b | 2019-05-15 15:35:56 -0700 | [diff] [blame] | 124 | nm.SetFieldByName("iValue", int32(i)) |
Scott Baker | 5281d00 | 2019-05-16 10:45:26 -0700 | [diff] [blame] | 125 | case descriptor.FieldDescriptorProto_TYPE_UINT32: |
| 126 | var i int64 |
| 127 | i, err = strconv.ParseInt(value, 10, 32) |
Scott Baker | 5201c0b | 2019-05-15 15:35:56 -0700 | [diff] [blame] | 128 | nm.SetFieldByName("iValue", uint32(i)) |
Scott Baker | 5281d00 | 2019-05-16 10:45:26 -0700 | [diff] [blame] | 129 | case descriptor.FieldDescriptorProto_TYPE_FLOAT: |
Scott Baker | 20481aa | 2019-06-20 11:00:54 -0700 | [diff] [blame] | 130 | err = corderrors.NewInvalidInputError("Floating point filters are unsupported") |
Scott Baker | 5281d00 | 2019-05-16 10:45:26 -0700 | [diff] [blame] | 131 | case descriptor.FieldDescriptorProto_TYPE_DOUBLE: |
Scott Baker | 20481aa | 2019-06-20 11:00:54 -0700 | [diff] [blame] | 132 | err = corderrors.NewInvalidInputError("Floating point filters are unsupported") |
Scott Baker | 5281d00 | 2019-05-16 10:45:26 -0700 | [diff] [blame] | 133 | default: |
Scott Baker | 5201c0b | 2019-05-15 15:35:56 -0700 | [diff] [blame] | 134 | nm.SetFieldByName("sValue", value) |
Scott Baker | 5281d00 | 2019-05-16 10:45:26 -0700 | [diff] [blame] | 135 | err = nil |
| 136 | } |
| 137 | |
| 138 | if err != nil { |
| 139 | return err |
Scott Baker | 5201c0b | 2019-05-15 15:35:56 -0700 | [diff] [blame] | 140 | } |
| 141 | |
| 142 | nm.SetFieldByName("name", field_name) |
| 143 | nm.SetFieldByName("invert", invert) |
| 144 | SetEnumValue(nm, "operator", operator) |
| 145 | dmsg.AddRepeatedFieldByName("elements", nm) |
| 146 | } |
| 147 | |
| 148 | SetEnumValue(dmsg, "kind", h.Kind) |
| 149 | |
| 150 | h.EOF = true |
| 151 | |
| 152 | return nil |
| 153 | } |
| 154 | |
| 155 | // Take a string list of queries and turns it into a map of queries |
Scott Baker | 5281d00 | 2019-05-16 10:45:26 -0700 | [diff] [blame] | 156 | func QueryStringsToMap(query_args []string, allow_inequality bool) (map[string]string, error) { |
Scott Baker | 5201c0b | 2019-05-15 15:35:56 -0700 | [diff] [blame] | 157 | queries := make(map[string]string) |
| 158 | for _, query_str := range query_args { |
Scott Baker | 5281d00 | 2019-05-16 10:45:26 -0700 | [diff] [blame] | 159 | query_str := strings.TrimSpace(query_str) |
Scott Baker | 5201c0b | 2019-05-15 15:35:56 -0700 | [diff] [blame] | 160 | operator_pos := -1 |
| 161 | for i, ch := range query_str { |
Scott Baker | 5281d00 | 2019-05-16 10:45:26 -0700 | [diff] [blame] | 162 | if allow_inequality { |
Scott Baker | cbad9a9 | 2019-08-01 16:01:38 -0700 | [diff] [blame] | 163 | if (ch == '!') || (ch == '=') || (ch == '>') || (ch == '<') || (ch == '~') || (ch == '[') { |
Scott Baker | 5281d00 | 2019-05-16 10:45:26 -0700 | [diff] [blame] | 164 | operator_pos = i |
| 165 | break |
| 166 | } |
| 167 | } else { |
| 168 | if ch == '=' { |
| 169 | operator_pos = i |
| 170 | break |
| 171 | } |
Scott Baker | 5201c0b | 2019-05-15 15:35:56 -0700 | [diff] [blame] | 172 | } |
| 173 | } |
| 174 | if operator_pos == -1 { |
Scott Baker | 20481aa | 2019-06-20 11:00:54 -0700 | [diff] [blame] | 175 | return nil, corderrors.WithStackTrace(&corderrors.IllegalQueryError{Query: query_str}) |
Scott Baker | 5201c0b | 2019-05-15 15:35:56 -0700 | [diff] [blame] | 176 | } |
Scott Baker | 5281d00 | 2019-05-16 10:45:26 -0700 | [diff] [blame] | 177 | queries[strings.TrimSpace(query_str[:operator_pos])] = query_str[operator_pos:] |
Scott Baker | 5201c0b | 2019-05-15 15:35:56 -0700 | [diff] [blame] | 178 | } |
| 179 | return queries, nil |
| 180 | } |
| 181 | |
| 182 | // Take a string of comma-separated queries and turn it into a map of queries |
Scott Baker | 5281d00 | 2019-05-16 10:45:26 -0700 | [diff] [blame] | 183 | func CommaSeparatedQueryToMap(query_str string, allow_inequality bool) (map[string]string, error) { |
Scott Baker | 5201c0b | 2019-05-15 15:35:56 -0700 | [diff] [blame] | 184 | if query_str == "" { |
| 185 | return nil, nil |
| 186 | } |
| 187 | |
| 188 | query_strings := strings.Split(query_str, ",") |
Scott Baker | 5281d00 | 2019-05-16 10:45:26 -0700 | [diff] [blame] | 189 | return QueryStringsToMap(query_strings, allow_inequality) |
| 190 | } |
| 191 | |
| 192 | // Convert a string into the appropriate gRPC type for a given field |
| 193 | func TypeConvert(source grpcurl.DescriptorSource, modelName string, field_name string, v string) (interface{}, error) { |
| 194 | model_descriptor, err := source.FindSymbol("xos." + modelName) |
| 195 | if err != nil { |
| 196 | return nil, err |
| 197 | } |
| 198 | model_md, ok := model_descriptor.(*desc.MessageDescriptor) |
| 199 | if !ok { |
Scott Baker | 20481aa | 2019-06-20 11:00:54 -0700 | [diff] [blame] | 200 | return nil, corderrors.WithStackTrace(&corderrors.TypeConversionError{Source: modelName, Destination: "messageDescriptor"}) |
Scott Baker | 5281d00 | 2019-05-16 10:45:26 -0700 | [diff] [blame] | 201 | } |
| 202 | field_descriptor := model_md.FindFieldByName(field_name) |
| 203 | if field_descriptor == nil { |
Scott Baker | 20481aa | 2019-06-20 11:00:54 -0700 | [diff] [blame] | 204 | return nil, corderrors.WithStackTrace(&corderrors.FieldDoesNotExistError{ModelName: modelName, FieldName: field_name}) |
Scott Baker | 5281d00 | 2019-05-16 10:45:26 -0700 | [diff] [blame] | 205 | } |
| 206 | field_type := field_descriptor.GetType() |
| 207 | |
| 208 | var result interface{} |
| 209 | |
| 210 | switch field_type { |
| 211 | case descriptor.FieldDescriptorProto_TYPE_INT32: |
| 212 | var i int64 |
| 213 | i, err = strconv.ParseInt(v, 10, 32) |
| 214 | result = int32(i) |
| 215 | case descriptor.FieldDescriptorProto_TYPE_UINT32: |
| 216 | var i int64 |
| 217 | i, err = strconv.ParseInt(v, 10, 32) |
| 218 | result = uint32(i) |
| 219 | case descriptor.FieldDescriptorProto_TYPE_FLOAT: |
| 220 | var f float64 |
| 221 | f, err = strconv.ParseFloat(v, 32) |
| 222 | result = float32(f) |
| 223 | case descriptor.FieldDescriptorProto_TYPE_DOUBLE: |
| 224 | var f float64 |
| 225 | f, err = strconv.ParseFloat(v, 64) |
| 226 | result = f |
| 227 | default: |
| 228 | result = v |
| 229 | err = nil |
| 230 | } |
| 231 | |
| 232 | return result, err |
Scott Baker | 5201c0b | 2019-05-15 15:35:56 -0700 | [diff] [blame] | 233 | } |
| 234 | |
Scott Baker | 6cf525a | 2019-05-09 12:25:08 -0700 | [diff] [blame] | 235 | // Return a list of all available model names |
| 236 | func GetModelNames(source grpcurl.DescriptorSource) (map[string]bool, error) { |
| 237 | models := make(map[string]bool) |
| 238 | methods, err := grpcurl.ListMethods(source, "xos.xos") |
| 239 | |
| 240 | if err != nil { |
| 241 | return nil, err |
| 242 | } |
| 243 | |
| 244 | for _, method := range methods { |
| 245 | if strings.HasPrefix(method, "xos.xos.Get") { |
| 246 | models[method[11:]] = true |
| 247 | } |
| 248 | } |
| 249 | |
| 250 | return models, nil |
| 251 | } |
| 252 | |
| 253 | // Check to see if a model name is valid |
| 254 | func CheckModelName(source grpcurl.DescriptorSource, name string) error { |
| 255 | models, err := GetModelNames(source) |
| 256 | if err != nil { |
| 257 | return err |
| 258 | } |
| 259 | _, present := models[name] |
| 260 | if !present { |
Scott Baker | 20481aa | 2019-06-20 11:00:54 -0700 | [diff] [blame] | 261 | return corderrors.WithStackTrace(&corderrors.UnknownModelTypeError{Name: name}) |
Scott Baker | 6cf525a | 2019-05-09 12:25:08 -0700 | [diff] [blame] | 262 | } |
| 263 | return nil |
| 264 | } |
| 265 | |
| 266 | // Create a model in XOS given a map of fields |
| 267 | func CreateModel(conn *grpc.ClientConn, descriptor grpcurl.DescriptorSource, modelName string, fields map[string]interface{}) error { |
Scott Baker | ce11c49 | 2019-07-30 15:53:34 -0700 | [diff] [blame] | 268 | ctx, cancel := GrpcTimeoutContext(context.Background()) |
Scott Baker | 6cf525a | 2019-05-09 12:25:08 -0700 | [diff] [blame] | 269 | defer cancel() |
| 270 | |
| 271 | headers := GenerateHeaders() |
| 272 | |
| 273 | h := &RpcEventHandler{ |
| 274 | Fields: map[string]map[string]interface{}{"xos." + modelName: fields}, |
| 275 | } |
| 276 | err := grpcurl.InvokeRPC(ctx, descriptor, conn, "xos.xos.Create"+modelName, headers, h, h.GetParams) |
| 277 | if err != nil { |
Scott Baker | a55e645 | 2019-06-25 11:10:30 -0700 | [diff] [blame] | 278 | return corderrors.RpcErrorWithModelNameToCordError(err, modelName) |
Scott Baker | 6cf525a | 2019-05-09 12:25:08 -0700 | [diff] [blame] | 279 | } else if h.Status != nil && h.Status.Err() != nil { |
Scott Baker | a55e645 | 2019-06-25 11:10:30 -0700 | [diff] [blame] | 280 | return corderrors.RpcErrorWithModelNameToCordError(h.Status.Err(), modelName) |
Scott Baker | 6cf525a | 2019-05-09 12:25:08 -0700 | [diff] [blame] | 281 | } |
| 282 | |
| 283 | resp, err := dynamic.AsDynamicMessage(h.Response) |
| 284 | if err != nil { |
| 285 | return err |
| 286 | } |
| 287 | |
| 288 | fields["id"] = resp.GetFieldByName("id").(int32) |
| 289 | |
| 290 | if resp.HasFieldName("uuid") { |
| 291 | fields["uuid"] = resp.GetFieldByName("uuid").(string) |
| 292 | } |
| 293 | |
| 294 | return nil |
| 295 | } |
| 296 | |
Scott Baker | 5281d00 | 2019-05-16 10:45:26 -0700 | [diff] [blame] | 297 | // Update a model in XOS given a map of fields |
| 298 | func UpdateModel(conn *grpc.ClientConn, descriptor grpcurl.DescriptorSource, modelName string, fields map[string]interface{}) error { |
Scott Baker | ce11c49 | 2019-07-30 15:53:34 -0700 | [diff] [blame] | 299 | ctx, cancel := GrpcTimeoutContext(context.Background()) |
Scott Baker | 5281d00 | 2019-05-16 10:45:26 -0700 | [diff] [blame] | 300 | defer cancel() |
| 301 | |
| 302 | headers := GenerateHeaders() |
| 303 | |
| 304 | h := &RpcEventHandler{ |
| 305 | Fields: map[string]map[string]interface{}{"xos." + modelName: fields}, |
| 306 | } |
| 307 | err := grpcurl.InvokeRPC(ctx, descriptor, conn, "xos.xos.Update"+modelName, headers, h, h.GetParams) |
| 308 | if err != nil { |
Scott Baker | a55e645 | 2019-06-25 11:10:30 -0700 | [diff] [blame] | 309 | return corderrors.RpcErrorWithModelNameToCordError(err, modelName) |
Scott Baker | 5281d00 | 2019-05-16 10:45:26 -0700 | [diff] [blame] | 310 | } else if h.Status != nil && h.Status.Err() != nil { |
Scott Baker | a55e645 | 2019-06-25 11:10:30 -0700 | [diff] [blame] | 311 | return corderrors.RpcErrorWithModelNameToCordError(h.Status.Err(), modelName) |
Scott Baker | 5281d00 | 2019-05-16 10:45:26 -0700 | [diff] [blame] | 312 | } |
| 313 | |
| 314 | resp, err := dynamic.AsDynamicMessage(h.Response) |
| 315 | if err != nil { |
| 316 | return err |
| 317 | } |
| 318 | |
| 319 | // TODO: Do we need to do anything with the response? |
| 320 | _ = resp |
| 321 | |
| 322 | return nil |
| 323 | } |
| 324 | |
Scott Baker | 6cf525a | 2019-05-09 12:25:08 -0700 | [diff] [blame] | 325 | // Get a model from XOS given its ID |
Scott Baker | c328cf1 | 2019-05-28 16:03:12 -0700 | [diff] [blame] | 326 | func GetModel(ctx context.Context, conn *grpc.ClientConn, descriptor grpcurl.DescriptorSource, modelName string, id int32) (*dynamic.Message, error) { |
Scott Baker | ce11c49 | 2019-07-30 15:53:34 -0700 | [diff] [blame] | 327 | ctx, cancel := GrpcTimeoutContext(context.Background()) |
Scott Baker | 6cf525a | 2019-05-09 12:25:08 -0700 | [diff] [blame] | 328 | defer cancel() |
| 329 | |
| 330 | headers := GenerateHeaders() |
| 331 | |
| 332 | h := &RpcEventHandler{ |
| 333 | Fields: map[string]map[string]interface{}{"xos.ID": map[string]interface{}{"id": id}}, |
| 334 | } |
| 335 | err := grpcurl.InvokeRPC(ctx, descriptor, conn, "xos.xos.Get"+modelName, headers, h, h.GetParams) |
| 336 | if err != nil { |
Scott Baker | 20481aa | 2019-06-20 11:00:54 -0700 | [diff] [blame] | 337 | return nil, corderrors.RpcErrorWithIdToCordError(err, modelName, id) |
Scott Baker | 6cf525a | 2019-05-09 12:25:08 -0700 | [diff] [blame] | 338 | } |
| 339 | |
| 340 | if h.Status != nil && h.Status.Err() != nil { |
Scott Baker | 20481aa | 2019-06-20 11:00:54 -0700 | [diff] [blame] | 341 | return nil, corderrors.RpcErrorWithIdToCordError(h.Status.Err(), modelName, id) //h.Status.Err() |
Scott Baker | 6cf525a | 2019-05-09 12:25:08 -0700 | [diff] [blame] | 342 | } |
| 343 | |
| 344 | d, err := dynamic.AsDynamicMessage(h.Response) |
| 345 | if err != nil { |
| 346 | return nil, err |
| 347 | } |
| 348 | |
| 349 | return d, nil |
| 350 | } |
| 351 | |
| 352 | // Get a model, but retry under a variety of circumstances |
Scott Baker | c328cf1 | 2019-05-28 16:03:12 -0700 | [diff] [blame] | 353 | func GetModelWithRetry(ctx context.Context, conn *grpc.ClientConn, descriptor grpcurl.DescriptorSource, modelName string, id int32, flags uint32) (*grpc.ClientConn, *dynamic.Message, error) { |
Scott Baker | 6cf525a | 2019-05-09 12:25:08 -0700 | [diff] [blame] | 354 | quiet := (flags & GM_QUIET) != 0 |
| 355 | until_found := (flags & GM_UNTIL_FOUND) != 0 |
| 356 | until_enacted := (flags & GM_UNTIL_ENACTED) != 0 |
| 357 | until_status := (flags & GM_UNTIL_STATUS) != 0 |
| 358 | |
| 359 | for { |
| 360 | var err error |
| 361 | |
| 362 | if conn == nil { |
| 363 | conn, err = NewConnection() |
| 364 | if err != nil { |
| 365 | return nil, nil, err |
| 366 | } |
| 367 | } |
| 368 | |
Scott Baker | c328cf1 | 2019-05-28 16:03:12 -0700 | [diff] [blame] | 369 | model, err := GetModel(ctx, conn, descriptor, modelName, id) |
Scott Baker | 6cf525a | 2019-05-09 12:25:08 -0700 | [diff] [blame] | 370 | if err != nil { |
| 371 | if strings.Contains(err.Error(), "rpc error: code = Unavailable") || |
| 372 | strings.Contains(err.Error(), "rpc error: code = Internal desc = stream terminated by RST_STREAM") { |
| 373 | if !quiet { |
| 374 | fmt.Print(".") |
| 375 | } |
Scott Baker | c328cf1 | 2019-05-28 16:03:12 -0700 | [diff] [blame] | 376 | select { |
| 377 | case <-time.After(100 * time.Millisecond): |
| 378 | case <-ctx.Done(): |
| 379 | return nil, nil, ctx.Err() |
| 380 | } |
Scott Baker | 6cf525a | 2019-05-09 12:25:08 -0700 | [diff] [blame] | 381 | conn.Close() |
| 382 | conn = nil |
| 383 | continue |
| 384 | } |
| 385 | |
Scott Baker | 20481aa | 2019-06-20 11:00:54 -0700 | [diff] [blame] | 386 | _, is_not_found_error := err.(*corderrors.ModelNotFoundError) |
| 387 | if until_found && is_not_found_error { |
Scott Baker | 6cf525a | 2019-05-09 12:25:08 -0700 | [diff] [blame] | 388 | if !quiet { |
| 389 | fmt.Print("x") |
| 390 | } |
Scott Baker | c328cf1 | 2019-05-28 16:03:12 -0700 | [diff] [blame] | 391 | select { |
| 392 | case <-time.After(100 * time.Millisecond): |
| 393 | case <-ctx.Done(): |
| 394 | return nil, nil, ctx.Err() |
| 395 | } |
Scott Baker | 6cf525a | 2019-05-09 12:25:08 -0700 | [diff] [blame] | 396 | continue |
| 397 | } |
| 398 | return nil, nil, err |
| 399 | } |
| 400 | |
| 401 | if until_enacted && !IsEnacted(model) { |
| 402 | if !quiet { |
| 403 | fmt.Print("o") |
| 404 | } |
Scott Baker | c328cf1 | 2019-05-28 16:03:12 -0700 | [diff] [blame] | 405 | select { |
| 406 | case <-time.After(100 * time.Millisecond): |
| 407 | case <-ctx.Done(): |
| 408 | return nil, nil, ctx.Err() |
| 409 | } |
Scott Baker | 6cf525a | 2019-05-09 12:25:08 -0700 | [diff] [blame] | 410 | continue |
| 411 | } |
| 412 | |
| 413 | if until_status && model.GetFieldByName("status") == nil { |
| 414 | if !quiet { |
| 415 | fmt.Print("O") |
| 416 | } |
Scott Baker | c328cf1 | 2019-05-28 16:03:12 -0700 | [diff] [blame] | 417 | select { |
| 418 | case <-time.After(100 * time.Millisecond): |
| 419 | case <-ctx.Done(): |
| 420 | return nil, nil, ctx.Err() |
| 421 | } |
Scott Baker | 6cf525a | 2019-05-09 12:25:08 -0700 | [diff] [blame] | 422 | continue |
| 423 | } |
| 424 | |
| 425 | return conn, model, nil |
| 426 | } |
| 427 | } |
| 428 | |
Scott Baker | 5201c0b | 2019-05-15 15:35:56 -0700 | [diff] [blame] | 429 | func ItemsToDynamicMessageList(items interface{}) []*dynamic.Message { |
| 430 | result := make([]*dynamic.Message, len(items.([]interface{}))) |
| 431 | for i, item := range items.([]interface{}) { |
| 432 | result[i] = item.(*dynamic.Message) |
| 433 | } |
| 434 | return result |
| 435 | } |
| 436 | |
| 437 | // List all objects of a given model |
Scott Baker | c328cf1 | 2019-05-28 16:03:12 -0700 | [diff] [blame] | 438 | func ListModels(ctx context.Context, conn *grpc.ClientConn, descriptor grpcurl.DescriptorSource, modelName string) ([]*dynamic.Message, error) { |
Scott Baker | ce11c49 | 2019-07-30 15:53:34 -0700 | [diff] [blame] | 439 | ctx, cancel := GrpcTimeoutContext(context.Background()) |
Scott Baker | 6cf525a | 2019-05-09 12:25:08 -0700 | [diff] [blame] | 440 | defer cancel() |
| 441 | |
| 442 | headers := GenerateHeaders() |
| 443 | |
Scott Baker | 6cf525a | 2019-05-09 12:25:08 -0700 | [diff] [blame] | 444 | h := &RpcEventHandler{} |
| 445 | err := grpcurl.InvokeRPC(ctx, descriptor, conn, "xos.xos.List"+modelName, headers, h, h.GetParams) |
| 446 | if err != nil { |
Scott Baker | a55e645 | 2019-06-25 11:10:30 -0700 | [diff] [blame] | 447 | return nil, corderrors.RpcErrorWithModelNameToCordError(err, modelName) |
Scott Baker | 6cf525a | 2019-05-09 12:25:08 -0700 | [diff] [blame] | 448 | } |
| 449 | |
| 450 | if h.Status != nil && h.Status.Err() != nil { |
Scott Baker | a55e645 | 2019-06-25 11:10:30 -0700 | [diff] [blame] | 451 | return nil, corderrors.RpcErrorWithModelNameToCordError(h.Status.Err(), modelName) |
Scott Baker | 6cf525a | 2019-05-09 12:25:08 -0700 | [diff] [blame] | 452 | } |
| 453 | |
| 454 | d, err := dynamic.AsDynamicMessage(h.Response) |
| 455 | if err != nil { |
| 456 | return nil, err |
| 457 | } |
| 458 | |
| 459 | items, err := d.TryGetFieldByName("items") |
| 460 | if err != nil { |
| 461 | return nil, err |
| 462 | } |
| 463 | |
Scott Baker | 5201c0b | 2019-05-15 15:35:56 -0700 | [diff] [blame] | 464 | return ItemsToDynamicMessageList(items), nil |
| 465 | } |
Scott Baker | 6cf525a | 2019-05-09 12:25:08 -0700 | [diff] [blame] | 466 | |
Scott Baker | 5201c0b | 2019-05-15 15:35:56 -0700 | [diff] [blame] | 467 | // Filter models based on field values |
| 468 | // queries is a map of <field_name> to <operator><query> |
| 469 | // For example, |
| 470 | // map[string]string{"name": "==mysite"} |
Scott Baker | 1dd0667 | 2019-06-14 15:40:56 -0700 | [diff] [blame] | 471 | func FilterModels(ctx context.Context, conn *grpc.ClientConn, descriptor grpcurl.DescriptorSource, modelName string, kind string, queries map[string]string) ([]*dynamic.Message, error) { |
Scott Baker | ce11c49 | 2019-07-30 15:53:34 -0700 | [diff] [blame] | 472 | ctx, cancel := GrpcTimeoutContext(context.Background()) |
Scott Baker | 5201c0b | 2019-05-15 15:35:56 -0700 | [diff] [blame] | 473 | defer cancel() |
Scott Baker | 6cf525a | 2019-05-09 12:25:08 -0700 | [diff] [blame] | 474 | |
Scott Baker | 5201c0b | 2019-05-15 15:35:56 -0700 | [diff] [blame] | 475 | headers := GenerateHeaders() |
| 476 | |
| 477 | model_descriptor, err := descriptor.FindSymbol("xos." + modelName) |
| 478 | if err != nil { |
| 479 | return nil, err |
| 480 | } |
| 481 | model_md, ok := model_descriptor.(*desc.MessageDescriptor) |
| 482 | if !ok { |
Scott Baker | 20481aa | 2019-06-20 11:00:54 -0700 | [diff] [blame] | 483 | return nil, corderrors.WithStackTrace(&corderrors.TypeConversionError{Source: modelName, Destination: "messageDescriptor"}) |
Scott Baker | 6cf525a | 2019-05-09 12:25:08 -0700 | [diff] [blame] | 484 | } |
| 485 | |
Scott Baker | 5201c0b | 2019-05-15 15:35:56 -0700 | [diff] [blame] | 486 | h := &QueryEventHandler{ |
| 487 | RpcEventHandler: RpcEventHandler{ |
| 488 | Fields: map[string]map[string]interface{}{"xos.Query": map[string]interface{}{"kind": 0}}, |
| 489 | }, |
| 490 | Elements: queries, |
| 491 | Model: model_md, |
Scott Baker | 1dd0667 | 2019-06-14 15:40:56 -0700 | [diff] [blame] | 492 | Kind: kind, |
Scott Baker | 5201c0b | 2019-05-15 15:35:56 -0700 | [diff] [blame] | 493 | } |
| 494 | err = grpcurl.InvokeRPC(ctx, descriptor, conn, "xos.xos.Filter"+modelName, headers, h, h.GetParams) |
| 495 | if err != nil { |
Scott Baker | a55e645 | 2019-06-25 11:10:30 -0700 | [diff] [blame] | 496 | return nil, corderrors.RpcErrorWithQueriesToCordError(err, modelName, queries) |
Scott Baker | 5201c0b | 2019-05-15 15:35:56 -0700 | [diff] [blame] | 497 | } |
| 498 | |
| 499 | if h.Status != nil && h.Status.Err() != nil { |
Scott Baker | a55e645 | 2019-06-25 11:10:30 -0700 | [diff] [blame] | 500 | return nil, corderrors.RpcErrorWithQueriesToCordError(h.Status.Err(), modelName, queries) |
Scott Baker | 5201c0b | 2019-05-15 15:35:56 -0700 | [diff] [blame] | 501 | } |
| 502 | |
| 503 | d, err := dynamic.AsDynamicMessage(h.Response) |
| 504 | if err != nil { |
| 505 | return nil, err |
| 506 | } |
| 507 | |
| 508 | items, err := d.TryGetFieldByName("items") |
| 509 | if err != nil { |
| 510 | return nil, err |
| 511 | } |
| 512 | |
| 513 | return ItemsToDynamicMessageList(items), nil |
| 514 | } |
| 515 | |
Scott Baker | 5281d00 | 2019-05-16 10:45:26 -0700 | [diff] [blame] | 516 | // Call ListModels or FilterModels as appropriate |
Scott Baker | 1dd0667 | 2019-06-14 15:40:56 -0700 | [diff] [blame] | 517 | func ListOrFilterModels(ctx context.Context, conn *grpc.ClientConn, descriptor grpcurl.DescriptorSource, modelName string, kind string, queries map[string]string) ([]*dynamic.Message, error) { |
| 518 | if (len(queries) == 0) && (kind == FILTER_DEFAULT) { |
Scott Baker | c328cf1 | 2019-05-28 16:03:12 -0700 | [diff] [blame] | 519 | return ListModels(ctx, conn, descriptor, modelName) |
Scott Baker | 5281d00 | 2019-05-16 10:45:26 -0700 | [diff] [blame] | 520 | } else { |
Scott Baker | 1dd0667 | 2019-06-14 15:40:56 -0700 | [diff] [blame] | 521 | return FilterModels(ctx, conn, descriptor, modelName, kind, queries) |
Scott Baker | 5281d00 | 2019-05-16 10:45:26 -0700 | [diff] [blame] | 522 | } |
| 523 | } |
| 524 | |
Scott Baker | 5201c0b | 2019-05-15 15:35:56 -0700 | [diff] [blame] | 525 | // Get a model from XOS given a fieldName/fieldValue |
Scott Baker | c328cf1 | 2019-05-28 16:03:12 -0700 | [diff] [blame] | 526 | func FindModel(ctx context.Context, conn *grpc.ClientConn, descriptor grpcurl.DescriptorSource, modelName string, queries map[string]string) (*dynamic.Message, error) { |
Scott Baker | 1dd0667 | 2019-06-14 15:40:56 -0700 | [diff] [blame] | 527 | models, err := FilterModels(ctx, conn, descriptor, modelName, FILTER_DEFAULT, queries) |
Scott Baker | 5201c0b | 2019-05-15 15:35:56 -0700 | [diff] [blame] | 528 | if err != nil { |
| 529 | return nil, err |
| 530 | } |
| 531 | |
| 532 | if len(models) == 0 { |
Scott Baker | a55e645 | 2019-06-25 11:10:30 -0700 | [diff] [blame] | 533 | cordError := &corderrors.ModelNotFoundError{} |
| 534 | cordError.Obj = corderrors.ObjectReference{ModelName: modelName, Queries: queries} |
| 535 | return nil, corderrors.WithStackTrace(cordError) |
Scott Baker | 5201c0b | 2019-05-15 15:35:56 -0700 | [diff] [blame] | 536 | } |
| 537 | |
| 538 | return models[0], nil |
Scott Baker | 6cf525a | 2019-05-09 12:25:08 -0700 | [diff] [blame] | 539 | } |
| 540 | |
| 541 | // Find a model, but retry under a variety of circumstances |
Scott Baker | c328cf1 | 2019-05-28 16:03:12 -0700 | [diff] [blame] | 542 | func FindModelWithRetry(ctx context.Context, conn *grpc.ClientConn, descriptor grpcurl.DescriptorSource, modelName string, queries map[string]string, flags uint32) (*grpc.ClientConn, *dynamic.Message, error) { |
Scott Baker | 6cf525a | 2019-05-09 12:25:08 -0700 | [diff] [blame] | 543 | quiet := (flags & GM_QUIET) != 0 |
| 544 | until_found := (flags & GM_UNTIL_FOUND) != 0 |
| 545 | until_enacted := (flags & GM_UNTIL_ENACTED) != 0 |
| 546 | until_status := (flags & GM_UNTIL_STATUS) != 0 |
| 547 | |
| 548 | for { |
| 549 | var err error |
| 550 | |
| 551 | if conn == nil { |
| 552 | conn, err = NewConnection() |
| 553 | if err != nil { |
| 554 | return nil, nil, err |
| 555 | } |
| 556 | } |
| 557 | |
Scott Baker | c328cf1 | 2019-05-28 16:03:12 -0700 | [diff] [blame] | 558 | model, err := FindModel(ctx, conn, descriptor, modelName, queries) |
Scott Baker | 6cf525a | 2019-05-09 12:25:08 -0700 | [diff] [blame] | 559 | if err != nil { |
| 560 | if strings.Contains(err.Error(), "rpc error: code = Unavailable") || |
| 561 | strings.Contains(err.Error(), "rpc error: code = Internal desc = stream terminated by RST_STREAM") { |
| 562 | if !quiet { |
| 563 | fmt.Print(".") |
| 564 | } |
Scott Baker | c328cf1 | 2019-05-28 16:03:12 -0700 | [diff] [blame] | 565 | select { |
| 566 | case <-time.After(100 * time.Millisecond): |
| 567 | case <-ctx.Done(): |
| 568 | return nil, nil, ctx.Err() |
| 569 | } |
Scott Baker | 6cf525a | 2019-05-09 12:25:08 -0700 | [diff] [blame] | 570 | conn.Close() |
| 571 | conn = nil |
| 572 | continue |
| 573 | } |
| 574 | |
Scott Baker | 20481aa | 2019-06-20 11:00:54 -0700 | [diff] [blame] | 575 | _, is_not_found_error := err.(*corderrors.ModelNotFoundError) |
| 576 | if until_found && is_not_found_error { |
Scott Baker | 6cf525a | 2019-05-09 12:25:08 -0700 | [diff] [blame] | 577 | if !quiet { |
| 578 | fmt.Print("x") |
| 579 | } |
Scott Baker | c328cf1 | 2019-05-28 16:03:12 -0700 | [diff] [blame] | 580 | select { |
| 581 | case <-time.After(100 * time.Millisecond): |
| 582 | case <-ctx.Done(): |
| 583 | return nil, nil, ctx.Err() |
| 584 | } |
Scott Baker | 6cf525a | 2019-05-09 12:25:08 -0700 | [diff] [blame] | 585 | continue |
| 586 | } |
| 587 | return nil, nil, err |
| 588 | } |
| 589 | |
| 590 | if until_enacted && !IsEnacted(model) { |
| 591 | if !quiet { |
| 592 | fmt.Print("o") |
| 593 | } |
Scott Baker | c328cf1 | 2019-05-28 16:03:12 -0700 | [diff] [blame] | 594 | select { |
| 595 | case <-time.After(100 * time.Millisecond): |
| 596 | case <-ctx.Done(): |
| 597 | return nil, nil, ctx.Err() |
| 598 | } |
Scott Baker | 6cf525a | 2019-05-09 12:25:08 -0700 | [diff] [blame] | 599 | continue |
| 600 | } |
| 601 | |
| 602 | if until_status && model.GetFieldByName("status") == nil { |
| 603 | if !quiet { |
| 604 | fmt.Print("O") |
| 605 | } |
Scott Baker | c328cf1 | 2019-05-28 16:03:12 -0700 | [diff] [blame] | 606 | select { |
| 607 | case <-time.After(100 * time.Millisecond): |
| 608 | case <-ctx.Done(): |
| 609 | return nil, nil, ctx.Err() |
| 610 | } |
Scott Baker | 6cf525a | 2019-05-09 12:25:08 -0700 | [diff] [blame] | 611 | continue |
| 612 | } |
| 613 | |
| 614 | return conn, model, nil |
| 615 | } |
| 616 | } |
| 617 | |
Scott Baker | 175cb40 | 2019-05-17 16:13:06 -0700 | [diff] [blame] | 618 | // Get a model from XOS given its ID |
| 619 | func DeleteModel(conn *grpc.ClientConn, descriptor grpcurl.DescriptorSource, modelName string, id int32) error { |
Scott Baker | ce11c49 | 2019-07-30 15:53:34 -0700 | [diff] [blame] | 620 | ctx, cancel := GrpcTimeoutContext(context.Background()) |
Scott Baker | 175cb40 | 2019-05-17 16:13:06 -0700 | [diff] [blame] | 621 | defer cancel() |
| 622 | |
| 623 | headers := GenerateHeaders() |
| 624 | |
| 625 | h := &RpcEventHandler{ |
| 626 | Fields: map[string]map[string]interface{}{"xos.ID": map[string]interface{}{"id": id}}, |
| 627 | } |
| 628 | err := grpcurl.InvokeRPC(ctx, descriptor, conn, "xos.xos.Delete"+modelName, headers, h, h.GetParams) |
| 629 | if err != nil { |
Scott Baker | a55e645 | 2019-06-25 11:10:30 -0700 | [diff] [blame] | 630 | return corderrors.RpcErrorWithIdToCordError(err, modelName, id) |
Scott Baker | 175cb40 | 2019-05-17 16:13:06 -0700 | [diff] [blame] | 631 | } |
| 632 | |
| 633 | if h.Status != nil && h.Status.Err() != nil { |
Scott Baker | a55e645 | 2019-06-25 11:10:30 -0700 | [diff] [blame] | 634 | return corderrors.RpcErrorWithIdToCordError(h.Status.Err(), modelName, id) |
Scott Baker | 175cb40 | 2019-05-17 16:13:06 -0700 | [diff] [blame] | 635 | } |
| 636 | |
| 637 | _, err = dynamic.AsDynamicMessage(h.Response) |
| 638 | if err != nil { |
| 639 | return err |
| 640 | } |
| 641 | |
| 642 | return nil |
| 643 | } |
| 644 | |
Scott Baker | 5201c0b | 2019-05-15 15:35:56 -0700 | [diff] [blame] | 645 | // Takes a *dynamic.Message and turns it into a map of fields to interfaces |
| 646 | // TODO: Might be more useful to convert the values to strings and ints |
Scott Baker | 6cf525a | 2019-05-09 12:25:08 -0700 | [diff] [blame] | 647 | func MessageToMap(d *dynamic.Message) map[string]interface{} { |
| 648 | fields := make(map[string]interface{}) |
| 649 | for _, field_desc := range d.GetKnownFields() { |
| 650 | field_name := field_desc.GetName() |
| 651 | fields[field_name] = d.GetFieldByName(field_name) |
| 652 | } |
| 653 | return fields |
| 654 | } |
| 655 | |
Scott Baker | 5201c0b | 2019-05-15 15:35:56 -0700 | [diff] [blame] | 656 | // Returns True if a message has been enacted |
Scott Baker | 6cf525a | 2019-05-09 12:25:08 -0700 | [diff] [blame] | 657 | func IsEnacted(d *dynamic.Message) bool { |
| 658 | enacted := d.GetFieldByName("enacted").(float64) |
| 659 | updated := d.GetFieldByName("updated").(float64) |
| 660 | |
| 661 | return (enacted >= updated) |
| 662 | } |