| // Licensed to Apache Software Foundation (ASF) under one or more contributor |
| // license agreements. See the NOTICE file distributed with |
| // this work for additional information regarding copyright |
| // ownership. Apache Software Foundation (ASF) licenses this file to you under |
| // the Apache License, Version 2.0 (the "License"); you may |
| // not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, |
| // software distributed under the License is distributed on an |
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| // KIND, either express or implied. See the License for the |
| // specific language governing permissions and limitations |
| // under the License. |
| |
| package interceptor |
| |
| import ( |
| "encoding/base64" |
| "fmt" |
| "strings" |
| |
| "github.com/urfave/cli/v2" |
| api "skywalking.apache.org/repo/goapi/query" |
| |
| "github.com/apache/skywalking-cli/internal/logger" |
| "github.com/apache/skywalking-cli/pkg/graphql/metadata" |
| ) |
| |
| type nodeType int |
| |
| const ( |
| serviceIDFlagName = "service-id" |
| serviceNameFlagName = "service-name" |
| destServiceIDFlagName = "dest-service-id" |
| destServiceNameFlagName = "dest-service-name" |
| |
| normal nodeType = iota |
| browser nodeType = iota |
| ) |
| |
| // ParseService parses the service id or service name, |
| // and converts the present one to the missing one. |
| // See flags.ServiceFlags. |
| func ParseService(required bool) func(*cli.Context) error { |
| return parseService(required, serviceIDFlagName, serviceNameFlagName, normal) |
| } |
| |
| // ParseBrowserService parses the service id or service name, |
| // and converts the present one to the missing one. |
| // See flags.ServiceFlags. |
| func ParseBrowserService(required bool) func(*cli.Context) error { |
| return parseService(required, serviceIDFlagName, serviceNameFlagName, browser) |
| } |
| |
| // ParseServiceRelation parses the source and destination service id or service name, |
| // and converts the present one to the missing one respectively. |
| // See flags.ServiceRelationFlags. |
| func ParseServiceRelation(required bool) func(*cli.Context) error { |
| return func(ctx *cli.Context) error { |
| if err := ParseService(required)(ctx); err != nil { |
| return err |
| } |
| return parseService(required, destServiceIDFlagName, destServiceNameFlagName, normal)(ctx) |
| } |
| } |
| |
| func parseService(required bool, idFlagName, nameFlagName string, nodeType nodeType) func(*cli.Context) error { |
| return func(ctx *cli.Context) error { |
| id := ctx.String(idFlagName) |
| name := ctx.String(nameFlagName) |
| |
| if id == "" && name == "" { |
| if required { |
| return fmt.Errorf(`either flags "--%s" or "--%s" must be given`, idFlagName, nameFlagName) |
| } |
| return nil |
| } |
| |
| if id != "" { |
| parts := strings.Split(id, ".") |
| if len(parts) != 2 { |
| return fmt.Errorf("invalid service id, cannot be splitted into 2 parts. %v", id) |
| } |
| s, err := base64.StdEncoding.DecodeString(parts[0]) |
| if err != nil { |
| return err |
| } |
| name = string(s) |
| } else if name != "" { |
| var service api.Service |
| var err error |
| switch nodeType { |
| case normal: |
| service, err = metadata.SearchService(ctx, name) |
| case browser: |
| service, err = metadata.SearchBrowserService(ctx, name) |
| } |
| if err != nil { |
| return err |
| } |
| id = service.ID |
| } |
| |
| if err := ctx.Set(idFlagName, id); err != nil { |
| return err |
| } |
| if err := ctx.Set(nameFlagName, name); err != nil { |
| return err |
| } |
| |
| logger.Log.Debugf("%v=%v, %v=%v", idFlagName, id, nameFlagName, name) |
| |
| return nil |
| } |
| } |