summaryrefslogtreecommitdiffstats
path: root/src/k8splugin/api/brokerhandler.go
blob: 28e44231d34feea093a0f829381b4161277c76b2 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
/*
Copyright 2018 Intel Corporation.
Licensed 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 api

import (
	"encoding/json"
	"io"
	"net/http"

	"k8splugin/internal/app"

	"github.com/gorilla/mux"
)

// Used to store the backend implementation objects
// Also simplifies the mocking needed for unit testing
type brokerInstanceHandler struct {
	// Interface that implements the Instance operations
	client app.InstanceManager
}

type brokerRequest struct {
	GenericVnfID                 string                 `json:"generic-vnf-id"`
	VFModuleID                   string                 `json:"vf-module-id"`
	VFModuleModelInvariantID     string                 `json:"vf-module-model-invariant-id"`
	VFModuleModelVersionID       string                 `json:"vf-module-model-version-id"`
	VFModuleModelCustomizationID string                 `json:"vf-module-model-customization-id"`
	OOFDirectives                map[string]interface{} `json:"oof_directives"`
	SDNCDirections               map[string]interface{} `json:"sdnc_directives"`
	UserDirectives               map[string]interface{} `json:"user_directives"`
	TemplateType                 string                 `json:"template_type"`
	TemplateData                 map[string]interface{} `json:"template_data"`
}

type brokerPOSTResponse struct {
	TemplateType     string              `json:"template_type"`
	WorkloadID       string              `json:"workload_id"`
	TemplateResponse map[string][]string `json:"template_response"`
}

type brokerGETResponse struct {
	TemplateType   string `json:"template_type"`
	WorkloadID     string `json:"workload_id"`
	WorkloadStatus string `json:"workload_status"`
}

func (b brokerInstanceHandler) createHandler(w http.ResponseWriter, r *http.Request) {
	vars := mux.Vars(r)
	cloudRegion := vars["cloud-region"]

	var req brokerRequest
	err := json.NewDecoder(r.Body).Decode(&req)
	switch {
	case err == io.EOF:
		http.Error(w, "Body empty", http.StatusBadRequest)
		return
	case err != nil:
		http.Error(w, err.Error(), http.StatusUnprocessableEntity)
		return
	}

	// Check body for expected parameters
	if req.VFModuleModelCustomizationID == "" {
		http.Error(w, "vf-module-model-customization-id is empty", http.StatusBadRequest)
		return
	}

	rbName, ok := req.UserDirectives["definition-name"]
	if !ok {
		http.Error(w, "definition-name is missing from user-directives", http.StatusBadRequest)
		return
	}

	rbVersion, ok := req.UserDirectives["definition-version"]
	if !ok {
		http.Error(w, "definition-version is missing from user-directives", http.StatusBadRequest)
		return
	}

	profileName, ok := req.UserDirectives["profile-name"]
	if !ok {
		http.Error(w, "profile-name is missing from user-directives", http.StatusBadRequest)
		return
	}

	// Setup the resource parameters for making the request
	var instReq app.InstanceRequest
	instReq.RBName = rbName.(string)
	instReq.RBVersion = rbVersion.(string)
	instReq.ProfileName = profileName.(string)
	instReq.CloudRegion = cloudRegion

	resp, err := b.client.Create(instReq)
	if err != nil {
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}

	brokerResp := brokerPOSTResponse{
		TemplateType:     "heat",
		WorkloadID:       resp.ID,
		TemplateResponse: resp.Resources,
	}

	w.Header().Set("Content-Type", "application/json")
	w.WriteHeader(http.StatusCreated)
	err = json.NewEncoder(w).Encode(brokerResp)
	if err != nil {
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}
}

// getHandler retrieves information about an instance via the ID
func (b brokerInstanceHandler) getHandler(w http.ResponseWriter, r *http.Request) {
	vars := mux.Vars(r)
	instanceID := vars["instID"]

	resp, err := b.client.Get(instanceID)
	if err != nil {
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}

	brokerResp := brokerGETResponse{
		TemplateType:   "heat",
		WorkloadID:     resp.ID,
		WorkloadStatus: "CREATED",
	}

	w.Header().Set("Content-Type", "application/json")
	w.WriteHeader(http.StatusOK)
	err = json.NewEncoder(w).Encode(brokerResp)
	if err != nil {
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}
}

// deleteHandler method terminates an instance via the ID
func (b brokerInstanceHandler) deleteHandler(w http.ResponseWriter, r *http.Request) {
	vars := mux.Vars(r)
	instanceID := vars["instID"]

	err := b.client.Delete(instanceID)
	if err != nil {
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}

	w.Header().Set("Content-Type", "application/json")
	w.WriteHeader(http.StatusAccepted)
}