forked from xaptronic/terraform
-
Notifications
You must be signed in to change notification settings - Fork 0
/
structure.go
209 lines (171 loc) · 5.35 KB
/
structure.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
package aws
import (
"strconv"
"strings"
"github.com/mitchellh/goamz/autoscaling"
"github.com/mitchellh/goamz/ec2"
"github.com/mitchellh/goamz/elb"
)
// Takes the result of flatmap.Expand for an array of listeners and
// returns ELB API compatible objects
func expandListeners(configured []interface{}) ([]elb.Listener, error) {
listeners := make([]elb.Listener, 0, len(configured))
// Loop over our configured listeners and create
// an array of goamz compatabile objects
for _, listener := range configured {
newL := listener.(map[string]interface{})
instancePort, err := strconv.ParseInt(newL["instance_port"].(string), 0, 0)
lbPort, err := strconv.ParseInt(newL["lb_port"].(string), 0, 0)
if err != nil {
return nil, err
}
l := elb.Listener{
InstancePort: instancePort,
InstanceProtocol: newL["instance_protocol"].(string),
LoadBalancerPort: lbPort,
Protocol: newL["lb_protocol"].(string),
}
listeners = append(listeners, l)
}
return listeners, nil
}
// Takes the result of flatmap.Expand for an array of ingress/egress
// security group rules and returns EC2 API compatible objects
func expandIPPerms(configured []interface{}) ([]ec2.IPPerm, error) {
perms := make([]ec2.IPPerm, 0, len(configured))
// Loop over our configured permissions and create
// an array of goamz/ec2 compatabile objects
for _, perm := range configured {
// Our permission object
newP := perm.(map[string]interface{})
// Our new returned goamz compatible permission
p := ec2.IPPerm{}
// Ports
if attr, ok := newP["from_port"].(string); ok {
fromPort, err := strconv.Atoi(attr)
if err != nil {
return nil, err
}
p.FromPort = fromPort
}
if attr, ok := newP["to_port"].(string); ok {
toPort, err := strconv.Atoi(attr)
if err != nil {
return nil, err
}
p.ToPort = toPort
}
if attr, ok := newP["protocol"].(string); ok {
p.Protocol = attr
}
// Loop over the array of sg ids and built
// compatibile goamz objects
if secGroups, ok := newP["security_groups"].([]interface{}); ok {
expandedGroups := []ec2.UserSecurityGroup{}
gs := expandStringList(secGroups)
for _, g := range gs {
newG := ec2.UserSecurityGroup{
Id: g,
}
expandedGroups = append(expandedGroups, newG)
}
p.SourceGroups = expandedGroups
}
// Expand CIDR blocks
if cidrBlocks, ok := newP["cidr_blocks"].([]interface{}); ok {
p.SourceIPs = expandStringList(cidrBlocks)
}
perms = append(perms, p)
}
return perms, nil
}
// Flattens an array of ipPerms into a list of primitives that
// flatmap.Flatten() can handle
func flattenIPPerms(list []ec2.IPPerm) []map[string]interface{} {
result := make([]map[string]interface{}, 0, len(list))
for _, perm := range list {
n := make(map[string]interface{})
n["from_port"] = perm.FromPort
n["protocol"] = perm.Protocol
n["to_port"] = perm.ToPort
if len(perm.SourceIPs) > 0 {
n["cidr_blocks"] = perm.SourceIPs
}
if v := flattenSecurityGroups(perm.SourceGroups); len(v) > 0 {
n["security_groups"] = v
}
result = append(result, n)
}
return result
}
// Flattens a health check into something that flatmap.Flatten()
// can handle
func flattenHealthCheck(check elb.HealthCheck) []map[string]interface{} {
result := make([]map[string]interface{}, 0, 1)
chk := make(map[string]interface{})
chk["unhealthy_threshold"] = int(check.UnhealthyThreshold)
chk["healthy_threshold"] = int(check.HealthyThreshold)
chk["target"] = check.Target
chk["timeout"] = int(check.Timeout)
chk["interval"] = int(check.Interval)
result = append(result, chk)
return result
}
// Flattens an array of UserSecurityGroups into a []string
func flattenSecurityGroups(list []ec2.UserSecurityGroup) []string {
result := make([]string, 0, len(list))
for _, g := range list {
result = append(result, g.Id)
}
return result
}
// Flattens an array of SecurityGroups into a []string
func flattenAutoscalingSecurityGroups(list []autoscaling.SecurityGroup) []string {
result := make([]string, 0, len(list))
for _, g := range list {
result = append(result, g.SecurityGroup)
}
return result
}
// Flattens an array of AvailabilityZones into a []string
func flattenAvailabilityZones(list []autoscaling.AvailabilityZone) []string {
result := make([]string, 0, len(list))
for _, g := range list {
result = append(result, g.AvailabilityZone)
}
return result
}
// Flattens an array of LoadBalancerName into a []string
func flattenLoadBalancers(list []autoscaling.LoadBalancerName) []string {
result := make([]string, 0, len(list))
for _, g := range list {
if g.LoadBalancerName != "" {
result = append(result, g.LoadBalancerName)
}
}
return result
}
// Flattens an array of Instances into a []string
func flattenInstances(list []elb.Instance) []string {
result := make([]string, 0, len(list))
for _, i := range list {
result = append(result, i.InstanceId)
}
return result
}
// Takes the result of flatmap.Expand for an array of strings
// and returns a []string
func expandStringList(configured []interface{}) []string {
// here we special case the * expanded lists. For example:
//
// instances = ["${aws_instance.foo.*.id}"]
//
if len(configured) == 1 && strings.Contains(configured[0].(string), ",") {
return strings.Split(configured[0].(string), ",")
}
vs := make([]string, 0, len(configured))
for _, v := range configured {
vs = append(vs, v.(string))
}
return vs
}