forked from hashicorp/terraform
-
Notifications
You must be signed in to change notification settings - Fork 0
/
resource_aws_app_cookie_stickiness_policy.go
164 lines (136 loc) · 5.08 KB
/
resource_aws_app_cookie_stickiness_policy.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
package aws
import (
"fmt"
"regexp"
"strings"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/awserr"
"github.com/aws/aws-sdk-go/service/elb"
"github.com/hashicorp/terraform/helper/schema"
)
func resourceAwsAppCookieStickinessPolicy() *schema.Resource {
return &schema.Resource{
// There is no concept of "updating" an App Stickiness policy in
// the AWS API.
Create: resourceAwsAppCookieStickinessPolicyCreate,
Read: resourceAwsAppCookieStickinessPolicyRead,
Delete: resourceAwsAppCookieStickinessPolicyDelete,
Schema: map[string]*schema.Schema{
"name": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
ValidateFunc: func(v interface{}, k string) (ws []string, es []error) {
value := v.(string)
if !regexp.MustCompile(`^[0-9A-Za-z-]+$`).MatchString(value) {
es = append(es, fmt.Errorf(
"only alphanumeric characters and hyphens allowed in %q", k))
}
return
},
},
"load_balancer": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"lb_port": &schema.Schema{
Type: schema.TypeInt,
Required: true,
ForceNew: true,
},
"cookie_name": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
},
}
}
func resourceAwsAppCookieStickinessPolicyCreate(d *schema.ResourceData, meta interface{}) error {
elbconn := meta.(*AWSClient).elbconn
// Provision the AppStickinessPolicy
acspOpts := &elb.CreateAppCookieStickinessPolicyInput{
CookieName: aws.String(d.Get("cookie_name").(string)),
LoadBalancerName: aws.String(d.Get("load_balancer").(string)),
PolicyName: aws.String(d.Get("name").(string)),
}
if _, err := elbconn.CreateAppCookieStickinessPolicy(acspOpts); err != nil {
return fmt.Errorf("Error creating AppCookieStickinessPolicy: %s", err)
}
setLoadBalancerOpts := &elb.SetLoadBalancerPoliciesOfListenerInput{
LoadBalancerName: aws.String(d.Get("load_balancer").(string)),
LoadBalancerPort: aws.Int64(int64(d.Get("lb_port").(int))),
PolicyNames: []*string{aws.String(d.Get("name").(string))},
}
if _, err := elbconn.SetLoadBalancerPoliciesOfListener(setLoadBalancerOpts); err != nil {
return fmt.Errorf("Error setting AppCookieStickinessPolicy: %s", err)
}
d.SetId(fmt.Sprintf("%s:%d:%s",
*acspOpts.LoadBalancerName,
*setLoadBalancerOpts.LoadBalancerPort,
*acspOpts.PolicyName))
return nil
}
func resourceAwsAppCookieStickinessPolicyRead(d *schema.ResourceData, meta interface{}) error {
elbconn := meta.(*AWSClient).elbconn
lbName, lbPort, policyName := resourceAwsAppCookieStickinessPolicyParseId(d.Id())
request := &elb.DescribeLoadBalancerPoliciesInput{
LoadBalancerName: aws.String(lbName),
PolicyNames: []*string{aws.String(policyName)},
}
getResp, err := elbconn.DescribeLoadBalancerPolicies(request)
if err != nil {
if ec2err, ok := err.(awserr.Error); ok && ec2err.Code() == "PolicyNotFound" {
// The policy is gone.
d.SetId("")
return nil
}
return fmt.Errorf("Error retrieving policy: %s", err)
}
if len(getResp.PolicyDescriptions) != 1 {
return fmt.Errorf("Unable to find policy %#v", getResp.PolicyDescriptions)
}
// We can get away with this because there's only one attribute, the
// cookie expiration, in these descriptions.
policyDesc := getResp.PolicyDescriptions[0]
cookieAttr := policyDesc.PolicyAttributeDescriptions[0]
if *cookieAttr.AttributeName != "CookieName" {
return fmt.Errorf("Unable to find cookie Name.")
}
d.Set("cookie_name", cookieAttr.AttributeValue)
d.Set("name", policyName)
d.Set("load_balancer", lbName)
d.Set("lb_port", lbPort)
return nil
}
func resourceAwsAppCookieStickinessPolicyDelete(d *schema.ResourceData, meta interface{}) error {
elbconn := meta.(*AWSClient).elbconn
lbName, _, policyName := resourceAwsAppCookieStickinessPolicyParseId(d.Id())
// Perversely, if we Set an empty list of PolicyNames, we detach the
// policies attached to a listener, which is required to delete the
// policy itself.
setLoadBalancerOpts := &elb.SetLoadBalancerPoliciesOfListenerInput{
LoadBalancerName: aws.String(d.Get("load_balancer").(string)),
LoadBalancerPort: aws.Int64(int64(d.Get("lb_port").(int))),
PolicyNames: []*string{},
}
if _, err := elbconn.SetLoadBalancerPoliciesOfListener(setLoadBalancerOpts); err != nil {
return fmt.Errorf("Error removing AppCookieStickinessPolicy: %s", err)
}
request := &elb.DeleteLoadBalancerPolicyInput{
LoadBalancerName: aws.String(lbName),
PolicyName: aws.String(policyName),
}
if _, err := elbconn.DeleteLoadBalancerPolicy(request); err != nil {
return fmt.Errorf("Error deleting App stickiness policy %s: %s", d.Id(), err)
}
return nil
}
// resourceAwsAppCookieStickinessPolicyParseId takes an ID and parses it into
// it's constituent parts. You need three axes (LB name, policy name, and LB
// port) to create or identify a stickiness policy in AWS's API.
func resourceAwsAppCookieStickinessPolicyParseId(id string) (string, string, string) {
parts := strings.SplitN(id, ":", 3)
return parts[0], parts[1], parts[2]
}