-
Notifications
You must be signed in to change notification settings - Fork 132
/
block_fastly_service_v1_splunk.go
218 lines (194 loc) · 6.4 KB
/
block_fastly_service_v1_splunk.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
208
209
210
211
212
213
214
215
216
217
218
package fastly
import (
"fmt"
"log"
gofastly "github.com/fastly/go-fastly/fastly"
"github.com/hashicorp/terraform-plugin-sdk/helper/schema"
)
type SplunkServiceAttributeHandler struct {
*DefaultServiceAttributeHandler
}
func NewServiceSplunk(sa ServiceMetadata) ServiceAttributeDefinition {
return &SplunkServiceAttributeHandler{
&DefaultServiceAttributeHandler{
key: "splunk",
serviceMetadata: sa,
},
}
}
func (h *SplunkServiceAttributeHandler) Process(d *schema.ResourceData, latestVersion int, conn *gofastly.Client) error {
os, ns := d.GetChange(h.GetKey())
if os == nil {
os = new(schema.Set)
}
if ns == nil {
ns = new(schema.Set)
}
oss := os.(*schema.Set)
nss := ns.(*schema.Set)
remove := oss.Difference(nss).List()
add := nss.Difference(oss).List()
// DELETE old Splunk logging configurations
for _, sRaw := range remove {
sf := sRaw.(map[string]interface{})
opts := gofastly.DeleteSplunkInput{
Service: d.Id(),
Version: latestVersion,
Name: sf["name"].(string),
}
log.Printf("[DEBUG] Splunk removal opts: %#v", opts)
err := conn.DeleteSplunk(&opts)
if errRes, ok := err.(*gofastly.HTTPError); ok {
if errRes.StatusCode != 404 {
return err
}
} else if err != nil {
return err
}
}
// POST new/updated Splunk configurations
for _, sRaw := range add {
sf := sRaw.(map[string]interface{})
// @HACK for a TF SDK Issue.
//
// This ensures that the required, `name`, field is present.
//
// If we have made it this far and `name` is not present, it is most-likely due
// to a defunct diff as noted here - https://github.com/hashicorp/terraform-plugin-sdk/issues/160#issuecomment-522935697.
//
// This is caused by using a StateFunc in a nested TypeSet. While the StateFunc
// properly handles setting state with the StateFunc, it returns extra entries
// during state Gets, specifically `GetChange("splunk")` in this case.
if v, ok := sf["name"]; !ok || v.(string) == "" {
continue
}
var vla = h.getVCLLoggingAttributes(sf)
opts := gofastly.CreateSplunkInput{
Service: d.Id(),
Version: latestVersion,
Name: sf["name"].(string),
URL: sf["url"].(string),
Token: sf["token"].(string),
TLSHostname: sf["tls_hostname"].(string),
TLSCACert: sf["tls_ca_cert"].(string),
Format: vla.format,
FormatVersion: uintOrDefault(vla.formatVersion),
ResponseCondition: vla.responseCondition,
Placement: vla.placement,
}
log.Printf("[DEBUG] Splunk create opts: %#v", opts)
_, err := conn.CreateSplunk(&opts)
if err != nil {
return err
}
}
return nil
}
func (h *SplunkServiceAttributeHandler) Read(d *schema.ResourceData, s *gofastly.ServiceDetail, conn *gofastly.Client) error {
log.Printf("[DEBUG] Refreshing Splunks for (%s)", d.Id())
splunkList, err := conn.ListSplunks(&gofastly.ListSplunksInput{
Service: d.Id(),
Version: s.ActiveVersion.Number,
})
if err != nil {
return fmt.Errorf("[ERR] Error looking up Splunks for (%s), version (%v): %s", d.Id(), s.ActiveVersion.Number, err)
}
spl := flattenSplunks(splunkList)
if err := d.Set(h.GetKey(), spl); err != nil {
log.Printf("[WARN] Error setting Splunks for (%s): %s", d.Id(), err)
}
return nil
}
func (h *SplunkServiceAttributeHandler) Register(s *schema.Resource) error {
var blockAttributes = map[string]*schema.Schema{
// Required fields
"name": {
Type: schema.TypeString,
Required: true,
Description: "The unique name of the Splunk logging endpoint",
},
"url": {
Type: schema.TypeString,
Required: true,
Description: "The Splunk URL to stream logs to",
},
"token": {
Type: schema.TypeString,
Required: true,
DefaultFunc: schema.EnvDefaultFunc("FASTLY_SPLUNK_TOKEN", ""),
Description: "The Splunk token to be used for authentication",
Sensitive: true,
},
// Optional fields
"tls_hostname": {
Type: schema.TypeString,
Optional: true,
Description: "The hostname used to verify the server's certificate. It can either be the Common Name or blockAttributes Subject Alternative Name (SAN).",
},
"tls_ca_cert": {
Type: schema.TypeString,
Optional: true,
DefaultFunc: schema.EnvDefaultFunc("FASTLY_SPLUNK_CA_CERT", ""),
Description: "A secure certificate to authenticate the server with. Must be in PEM format. You can provide this certificate via an environment variable, `FASTLY_SPLUNK_CA_CERT`.",
},
}
if h.GetServiceMetadata().serviceType == ServiceTypeVCL {
blockAttributes["format"] = &schema.Schema{
Type: schema.TypeString,
Optional: true,
Default: "%h %l %u %t \"%r\" %>s %b",
Description: "Apache-style string or VCL variables to use for log formatting (default: `%h %l %u %t \"%r\" %>s %b`)",
}
blockAttributes["format_version"] = &schema.Schema{
Type: schema.TypeInt,
Optional: true,
Default: 2,
Description: "The version of the custom logging format used for the configured endpoint. Can be either 1 or 2. (default: 2)",
ValidateFunc: validateLoggingFormatVersion(),
}
blockAttributes["placement"] = &schema.Schema{
Type: schema.TypeString,
Optional: true,
Description: "Where in the generated VCL the logging call should be placed",
ValidateFunc: validateLoggingPlacement(),
}
blockAttributes["response_condition"] = &schema.Schema{
Type: schema.TypeString,
Optional: true,
Description: "The name of the condition to apply",
}
}
s.Schema[h.GetKey()] = &schema.Schema{
Type: schema.TypeSet,
Optional: true,
Elem: &schema.Resource{
Schema: blockAttributes,
},
}
return nil
}
func flattenSplunks(splunkList []*gofastly.Splunk) []map[string]interface{} {
var sl []map[string]interface{}
for _, s := range splunkList {
// Convert Splunk to a map for saving to state.
nbs := map[string]interface{}{
"name": s.Name,
"url": s.URL,
"format": s.Format,
"format_version": s.FormatVersion,
"response_condition": s.ResponseCondition,
"placement": s.Placement,
"token": s.Token,
"tls_hostname": s.TLSHostname,
"tls_ca_cert": s.TLSCACert,
}
// prune any empty values that come from the default string value in structs
for k, v := range nbs {
if v == "" {
delete(nbs, k)
}
}
sl = append(sl, nbs)
}
return sl
}