forked from hashicorp/terraform
-
Notifications
You must be signed in to change notification settings - Fork 0
/
resource_librato_service.go
207 lines (177 loc) · 5.31 KB
/
resource_librato_service.go
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
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
package librato
import (
"encoding/json"
"fmt"
"log"
"strconv"
"time"
"github.com/hashicorp/terraform/helper/resource"
"github.com/hashicorp/terraform/helper/schema"
"github.com/henrikhodne/go-librato/librato"
)
func resourceLibratoService() *schema.Resource {
return &schema.Resource{
Create: resourceLibratoServiceCreate,
Read: resourceLibratoServiceRead,
Update: resourceLibratoServiceUpdate,
Delete: resourceLibratoServiceDelete,
Schema: map[string]*schema.Schema{
"id": &schema.Schema{
Type: schema.TypeInt,
Computed: true,
},
"type": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"title": &schema.Schema{
Type: schema.TypeString,
Required: true,
},
"settings": &schema.Schema{
Type: schema.TypeString,
Required: true,
StateFunc: normalizeJson,
},
},
}
}
// Takes JSON in a string. Decodes JSON into
// settings hash
func resourceLibratoServicesExpandSettings(rawSettings string) (map[string]string, error) {
var settings map[string]string
settings = make(map[string]string)
err := json.Unmarshal([]byte(rawSettings), &settings)
if err != nil {
return nil, fmt.Errorf("Error decoding JSON: %s", err)
}
return settings, err
}
// Encodes a settings hash into a JSON string
func resourceLibratoServicesFlatten(settings map[string]string) (string, error) {
byteArray, err := json.Marshal(settings)
if err != nil {
return "", fmt.Errorf("Error encoding to JSON: %s", err)
}
return string(byteArray), nil
}
func normalizeJson(jsonString interface{}) string {
if jsonString == nil || jsonString == "" {
return ""
}
var j interface{}
err := json.Unmarshal([]byte(jsonString.(string)), &j)
if err != nil {
return fmt.Sprintf("Error parsing JSON: %s", err)
}
b, _ := json.Marshal(j)
return string(b[:])
}
func resourceLibratoServiceCreate(d *schema.ResourceData, meta interface{}) error {
client := meta.(*librato.Client)
service := new(librato.Service)
if v, ok := d.GetOk("type"); ok {
service.Type = librato.String(v.(string))
}
if v, ok := d.GetOk("title"); ok {
service.Title = librato.String(v.(string))
}
if v, ok := d.GetOk("settings"); ok {
res, err := resourceLibratoServicesExpandSettings(normalizeJson(v.(string)))
if err != nil {
return fmt.Errorf("Error expanding Librato service settings: %s", err)
}
service.Settings = res
}
serviceResult, _, err := client.Services.Create(service)
if err != nil {
return fmt.Errorf("Error creating Librato service: %s", err)
}
resource.Retry(1*time.Minute, func() *resource.RetryError {
_, _, err := client.Services.Get(*serviceResult.ID)
if err != nil {
if errResp, ok := err.(*librato.ErrorResponse); ok && errResp.Response.StatusCode == 404 {
return resource.RetryableError(err)
}
return resource.NonRetryableError(err)
}
return nil
})
return resourceLibratoServiceReadResult(d, serviceResult)
}
func resourceLibratoServiceRead(d *schema.ResourceData, meta interface{}) error {
client := meta.(*librato.Client)
id, err := strconv.ParseUint(d.Id(), 10, 0)
if err != nil {
return err
}
service, _, err := client.Services.Get(uint(id))
if err != nil {
if errResp, ok := err.(*librato.ErrorResponse); ok && errResp.Response.StatusCode == 404 {
d.SetId("")
return nil
}
return fmt.Errorf("Error reading Librato Service %s: %s", d.Id(), err)
}
return resourceLibratoServiceReadResult(d, service)
}
func resourceLibratoServiceReadResult(d *schema.ResourceData, service *librato.Service) error {
d.SetId(strconv.FormatUint(uint64(*service.ID), 10))
d.Set("id", *service.ID)
d.Set("type", *service.Type)
d.Set("title", *service.Title)
settings, _ := resourceLibratoServicesFlatten(service.Settings)
d.Set("settings", settings)
return nil
}
func resourceLibratoServiceUpdate(d *schema.ResourceData, meta interface{}) error {
client := meta.(*librato.Client)
serviceID, err := strconv.ParseUint(d.Id(), 10, 0)
if err != nil {
return err
}
service := new(librato.Service)
if d.HasChange("type") {
service.Type = librato.String(d.Get("type").(string))
}
if d.HasChange("title") {
service.Title = librato.String(d.Get("title").(string))
}
if d.HasChange("settings") {
res, err := resourceLibratoServicesExpandSettings(normalizeJson(d.Get("settings").(string)))
if err != nil {
return fmt.Errorf("Error expanding Librato service settings: %s", err)
}
service.Settings = res
}
_, err = client.Services.Edit(uint(serviceID), service)
if err != nil {
return fmt.Errorf("Error updating Librato service: %s", err)
}
return resourceLibratoServiceRead(d, meta)
}
func resourceLibratoServiceDelete(d *schema.ResourceData, meta interface{}) error {
client := meta.(*librato.Client)
id, err := strconv.ParseUint(d.Id(), 10, 0)
if err != nil {
return err
}
log.Printf("[INFO] Deleting Service: %d", id)
_, err = client.Services.Delete(uint(id))
if err != nil {
return fmt.Errorf("Error deleting Service: %s", err)
}
resource.Retry(1*time.Minute, func() *resource.RetryError {
_, _, err := client.Services.Get(uint(id))
if err != nil {
if errResp, ok := err.(*librato.ErrorResponse); ok && errResp.Response.StatusCode == 404 {
return nil
}
return resource.NonRetryableError(err)
}
return resource.RetryableError(fmt.Errorf("service still exists"))
})
d.SetId("")
return nil
}