Refactor for better separation DMaaP Mediator
[nonrtric.git] / dmaap-mediator-producer / internal / config / registrator.go
1 // -
2 //   ========================LICENSE_START=================================
3 //   O-RAN-SC
4 //   %%
5 //   Copyright (C) 2021: Nordix Foundation
6 //   %%
7 //   Licensed under the Apache License, Version 2.0 (the "License");
8 //   you may not use this file except in compliance with the License.
9 //   You may obtain a copy of the License at
10 //
11 //        http://www.apache.org/licenses/LICENSE-2.0
12 //
13 //   Unless required by applicable law or agreed to in writing, software
14 //   distributed under the License is distributed on an "AS IS" BASIS,
15 //   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 //   See the License for the specific language governing permissions and
17 //   limitations under the License.
18 //   ========================LICENSE_END===================================
19 //
20
21 package config
22
23 import (
24         "encoding/json"
25         "fmt"
26         "net/url"
27
28         log "github.com/sirupsen/logrus"
29
30         "oransc.org/nonrtric/dmaapmediatorproducer/internal/restclient"
31 )
32
33 const registerTypePath = "/data-producer/v1/info-types/"
34 const registerProducerPath = "/data-producer/v1/info-producers/"
35 const typeSchema = `{"type": "object","properties": {},"additionalProperties": false}`
36
37 type TypeDefinition struct {
38         Id            string `json:"id"`
39         DmaapTopicURL string `json:"dmaapTopicUrl"`
40 }
41
42 type ProducerRegistrationInfo struct {
43         InfoProducerSupervisionCallbackUrl string   `json:"info_producer_supervision_callback_url"`
44         SupportedInfoTypes                 []string `json:"supported_info_types"`
45         InfoJobCallbackUrl                 string   `json:"info_job_callback_url"`
46 }
47
48 type Registrator interface {
49         RegisterTypes(types []TypeDefinition) error
50         RegisterProducer(producerId string, producerInfo *ProducerRegistrationInfo)
51 }
52
53 type RegistratorImpl struct {
54         infoCoordinatorAddress string
55         httpClient             restclient.HTTPClient
56 }
57
58 func NewRegistratorImpl(infoCoordAddr string, client restclient.HTTPClient) *RegistratorImpl {
59         return &RegistratorImpl{
60                 infoCoordinatorAddress: infoCoordAddr,
61                 httpClient:             client,
62         }
63 }
64
65 func (r RegistratorImpl) RegisterTypes(jobTypes []TypeDefinition) error {
66         for _, jobType := range jobTypes {
67                 body := fmt.Sprintf(`{"info_job_data_schema": %v}`, typeSchema)
68                 if error := restclient.Put(r.infoCoordinatorAddress+registerTypePath+url.PathEscape(jobType.Id), []byte(body), r.httpClient); error != nil {
69                         return error
70                 }
71                 log.Debugf("Registered type: %v", jobType)
72         }
73         return nil
74 }
75
76 func (r RegistratorImpl) RegisterProducer(producerId string, producerInfo *ProducerRegistrationInfo) error {
77         if body, marshalErr := json.Marshal(producerInfo); marshalErr == nil {
78                 if putErr := restclient.Put(r.infoCoordinatorAddress+registerProducerPath+url.PathEscape(producerId), []byte(body), r.httpClient); putErr != nil {
79                         return putErr
80                 }
81                 log.Debugf("Registered producer: %v", producerId)
82                 return nil
83         } else {
84                 return marshalErr
85         }
86 }