450 lines
13 KiB
Go
450 lines
13 KiB
Go
package aws
|
|
|
|
import (
|
|
"errors"
|
|
"fmt"
|
|
"log"
|
|
"strconv"
|
|
"strings"
|
|
|
|
"github.com/aws/aws-sdk-go/aws"
|
|
"github.com/aws/aws-sdk-go/aws/awserr"
|
|
"github.com/aws/aws-sdk-go/service/elbv2"
|
|
"github.com/hashicorp/errwrap"
|
|
"github.com/hashicorp/terraform/helper/schema"
|
|
)
|
|
|
|
func resourceAwsAlbTargetGroup() *schema.Resource {
|
|
return &schema.Resource{
|
|
Create: resourceAwsAlbTargetGroupCreate,
|
|
Read: resourceAwsAlbTargetGroupRead,
|
|
Update: resourceAwsAlbTargetGroupUpdate,
|
|
Delete: resourceAwsAlbTargetGroupDelete,
|
|
Importer: &schema.ResourceImporter{
|
|
State: schema.ImportStatePassthrough,
|
|
},
|
|
|
|
Schema: map[string]*schema.Schema{
|
|
"name": {
|
|
Type: schema.TypeString,
|
|
Required: true,
|
|
},
|
|
|
|
"port": {
|
|
Type: schema.TypeInt,
|
|
Required: true,
|
|
ValidateFunc: validateAwsAlbTargetGroupPort,
|
|
},
|
|
|
|
"protocol": {
|
|
Type: schema.TypeString,
|
|
Required: true,
|
|
ValidateFunc: validateAwsAlbTargetGroupProtocol,
|
|
},
|
|
|
|
"vpc_id": {
|
|
Type: schema.TypeString,
|
|
Required: true,
|
|
},
|
|
|
|
"deregistration_delay": {
|
|
Type: schema.TypeInt,
|
|
Optional: true,
|
|
Default: 300,
|
|
ValidateFunc: validateAwsAlbTargetGroupDeregistrationDelay,
|
|
},
|
|
|
|
"stickiness": {
|
|
Type: schema.TypeList,
|
|
Optional: true,
|
|
MaxItems: 1,
|
|
Elem: &schema.Resource{
|
|
Schema: map[string]*schema.Schema{
|
|
"type": {
|
|
Type: schema.TypeString,
|
|
Required: true,
|
|
ValidateFunc: validateAwsAlbTargetGroupStickinessType,
|
|
},
|
|
"cookie_duration": {
|
|
Type: schema.TypeInt,
|
|
Optional: true,
|
|
Default: 86400,
|
|
ValidateFunc: validateAwsAlbTargetGroupStickinessCookieDuration,
|
|
},
|
|
},
|
|
},
|
|
},
|
|
|
|
"health_check": {
|
|
Type: schema.TypeList,
|
|
Optional: true,
|
|
Computed: true,
|
|
MaxItems: 1,
|
|
Elem: &schema.Resource{
|
|
Schema: map[string]*schema.Schema{
|
|
"interval": {
|
|
Type: schema.TypeInt,
|
|
Optional: true,
|
|
Default: 30,
|
|
},
|
|
|
|
"path": {
|
|
Type: schema.TypeString,
|
|
Optional: true,
|
|
Default: "/",
|
|
ValidateFunc: validateAwsAlbTargetGroupHealthCheckPath,
|
|
},
|
|
|
|
"port": {
|
|
Type: schema.TypeString,
|
|
Optional: true,
|
|
Default: "traffic-port",
|
|
ValidateFunc: validateAwsAlbTargetGroupHealthCheckPort,
|
|
},
|
|
|
|
"protocol": {
|
|
Type: schema.TypeString,
|
|
Optional: true,
|
|
Default: "HTTP",
|
|
StateFunc: func(v interface{}) string {
|
|
return strings.ToUpper(v.(string))
|
|
},
|
|
ValidateFunc: validateAwsAlbTargetGroupHealthCheckProtocol,
|
|
},
|
|
|
|
"timeout": {
|
|
Type: schema.TypeInt,
|
|
Optional: true,
|
|
Default: 5,
|
|
ValidateFunc: validateAwsAlbTargetGroupHealthCheckTimeout,
|
|
},
|
|
|
|
"healthy_threshold": {
|
|
Type: schema.TypeInt,
|
|
Optional: true,
|
|
Default: 5,
|
|
ValidateFunc: validateAwsAlbTargetGroupHealthCheckHealthyThreshold,
|
|
},
|
|
|
|
"matcher": {
|
|
Type: schema.TypeString,
|
|
Optional: true,
|
|
Default: "200",
|
|
},
|
|
|
|
"unhealthy_threshold": {
|
|
Type: schema.TypeInt,
|
|
Optional: true,
|
|
Default: 2,
|
|
ValidateFunc: validateAwsAlbTargetGroupHealthCheckHealthyThreshold,
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
}
|
|
}
|
|
|
|
func resourceAwsAlbTargetGroupCreate(d *schema.ResourceData, meta interface{}) error {
|
|
elbconn := meta.(*AWSClient).elbv2conn
|
|
|
|
params := &elbv2.CreateTargetGroupInput{
|
|
Name: aws.String(d.Get("name").(string)),
|
|
Port: aws.Int64(int64(d.Get("port").(int))),
|
|
Protocol: aws.String(d.Get("protocol").(string)),
|
|
VpcId: aws.String(d.Get("vpc_id").(string)),
|
|
}
|
|
|
|
if healthChecks := d.Get("health_check").([]interface{}); len(healthChecks) == 1 {
|
|
healthCheck := healthChecks[0].(map[string]interface{})
|
|
|
|
params.HealthCheckIntervalSeconds = aws.Int64(int64(healthCheck["interval"].(int)))
|
|
params.HealthCheckPath = aws.String(healthCheck["path"].(string))
|
|
params.HealthCheckPort = aws.String(healthCheck["port"].(string))
|
|
params.HealthCheckProtocol = aws.String(healthCheck["protocol"].(string))
|
|
params.HealthCheckTimeoutSeconds = aws.Int64(int64(healthCheck["timeout"].(int)))
|
|
params.HealthyThresholdCount = aws.Int64(int64(healthCheck["healthy_threshold"].(int)))
|
|
params.UnhealthyThresholdCount = aws.Int64(int64(healthCheck["unhealthy_threshold"].(int)))
|
|
params.Matcher = &elbv2.Matcher{
|
|
HttpCode: aws.String(healthCheck["matcher"].(string)),
|
|
}
|
|
}
|
|
|
|
resp, err := elbconn.CreateTargetGroup(params)
|
|
if err != nil {
|
|
return errwrap.Wrapf("Error creating ALB Target Group: {{err}}", err)
|
|
}
|
|
|
|
if len(resp.TargetGroups) == 0 {
|
|
return errors.New("Error creating ALB Target Group: no groups returned in response")
|
|
}
|
|
|
|
targetGroupArn := resp.TargetGroups[0].TargetGroupArn
|
|
d.SetId(*targetGroupArn)
|
|
|
|
return resourceAwsAlbTargetGroupUpdate(d, meta)
|
|
}
|
|
|
|
func resourceAwsAlbTargetGroupRead(d *schema.ResourceData, meta interface{}) error {
|
|
elbconn := meta.(*AWSClient).elbv2conn
|
|
|
|
resp, err := elbconn.DescribeTargetGroups(&elbv2.DescribeTargetGroupsInput{
|
|
TargetGroupArns: []*string{aws.String(d.Id())},
|
|
})
|
|
if err != nil {
|
|
if isTargetGroupNotFound(err) {
|
|
log.Printf("[DEBUG] DescribeTargetGroups - removing %s from state", d.Id())
|
|
d.SetId("")
|
|
return nil
|
|
}
|
|
return errwrap.Wrapf("Error retrieving Target Group: {{err}}", err)
|
|
}
|
|
|
|
if len(resp.TargetGroups) != 1 {
|
|
return fmt.Errorf("Error retrieving Target Group %q", d.Id())
|
|
}
|
|
|
|
targetGroup := resp.TargetGroups[0]
|
|
|
|
d.Set("name", targetGroup.TargetGroupName)
|
|
d.Set("port", targetGroup.Port)
|
|
d.Set("protocol", targetGroup.Protocol)
|
|
d.Set("vpc_id", targetGroup.VpcId)
|
|
|
|
healthCheck := make(map[string]interface{})
|
|
healthCheck["interval"] = *targetGroup.HealthCheckIntervalSeconds
|
|
healthCheck["path"] = *targetGroup.HealthCheckPath
|
|
healthCheck["port"] = *targetGroup.HealthCheckPort
|
|
healthCheck["protocol"] = *targetGroup.HealthCheckProtocol
|
|
healthCheck["timeout"] = *targetGroup.HealthCheckTimeoutSeconds
|
|
healthCheck["healthy_threshold"] = *targetGroup.HealthyThresholdCount
|
|
healthCheck["unhealthy_threshold"] = *targetGroup.UnhealthyThresholdCount
|
|
healthCheck["matcher"] = *targetGroup.Matcher.HttpCode
|
|
d.Set("health_check", []interface{}{healthCheck})
|
|
|
|
attrResp, err := elbconn.DescribeTargetGroupAttributes(&elbv2.DescribeTargetGroupAttributesInput{
|
|
TargetGroupArn: aws.String(d.Id()),
|
|
})
|
|
if err != nil {
|
|
return errwrap.Wrapf("Error retrieving Target Group Attributes: {{err}}", err)
|
|
}
|
|
|
|
stickinessMap := map[string]interface{}{}
|
|
for _, attr := range attrResp.Attributes {
|
|
switch *attr.Key {
|
|
case "stickiness.type":
|
|
stickinessMap["type"] = *attr.Value
|
|
case "stickiness.lb_cookie.duration_seconds":
|
|
stickinessMap["cookie_duration"] = *attr.Value
|
|
case "deregistration_delay.timeout_seconds":
|
|
timeout, err := strconv.Atoi(*attr.Value)
|
|
if err != nil {
|
|
return fmt.Errorf("Error converting deregistration_delay.timeout_seconds to int: %s", *attr.Value)
|
|
}
|
|
d.Set("deregistration_delay", timeout)
|
|
}
|
|
}
|
|
d.Set("stickiness", []interface{}{stickinessMap})
|
|
|
|
return nil
|
|
}
|
|
|
|
func resourceAwsAlbTargetGroupUpdate(d *schema.ResourceData, meta interface{}) error {
|
|
elbconn := meta.(*AWSClient).elbv2conn
|
|
|
|
if d.HasChange("health_check") {
|
|
healthChecks := d.Get("health_check").([]interface{})
|
|
|
|
var params *elbv2.ModifyTargetGroupInput
|
|
if len(healthChecks) == 1 {
|
|
healthCheck := healthChecks[0].(map[string]interface{})
|
|
|
|
params = &elbv2.ModifyTargetGroupInput{
|
|
TargetGroupArn: aws.String(d.Id()),
|
|
HealthCheckIntervalSeconds: aws.Int64(int64(healthCheck["interval"].(int))),
|
|
HealthCheckPath: aws.String(healthCheck["path"].(string)),
|
|
HealthCheckPort: aws.String(healthCheck["port"].(string)),
|
|
HealthCheckProtocol: aws.String(healthCheck["protocol"].(string)),
|
|
HealthCheckTimeoutSeconds: aws.Int64(int64(healthCheck["timeout"].(int))),
|
|
HealthyThresholdCount: aws.Int64(int64(healthCheck["healthy_threshold"].(int))),
|
|
UnhealthyThresholdCount: aws.Int64(int64(healthCheck["unhealthy_threshold"].(int))),
|
|
Matcher: &elbv2.Matcher{
|
|
HttpCode: aws.String(healthCheck["matcher"].(string)),
|
|
},
|
|
}
|
|
} else {
|
|
params = &elbv2.ModifyTargetGroupInput{
|
|
TargetGroupArn: aws.String(d.Id()),
|
|
}
|
|
}
|
|
|
|
_, err := elbconn.ModifyTargetGroup(params)
|
|
if err != nil {
|
|
return errwrap.Wrapf("Error modifying Target Group: {{err}}", err)
|
|
}
|
|
}
|
|
|
|
var attrs []*elbv2.TargetGroupAttribute
|
|
|
|
if d.HasChange("deregistration_delay") {
|
|
attrs = append(attrs, &elbv2.TargetGroupAttribute{
|
|
Key: aws.String("deregistration_delay.timeout_seconds"),
|
|
Value: aws.String(fmt.Sprintf("%d", d.Get("deregistration_delay").(int))),
|
|
})
|
|
}
|
|
|
|
if d.HasChange("stickiness") {
|
|
stickinessBlocks := d.Get("stickiness").([]interface{})
|
|
if len(stickinessBlocks) == 1 {
|
|
stickiness := stickinessBlocks[0].(map[string]interface{})
|
|
|
|
attrs = append(attrs,
|
|
&elbv2.TargetGroupAttribute{
|
|
Key: aws.String("stickiness.enabled"),
|
|
Value: aws.String("true"),
|
|
},
|
|
&elbv2.TargetGroupAttribute{
|
|
Key: aws.String("stickiness.type"),
|
|
Value: aws.String(stickiness["type"].(string)),
|
|
},
|
|
&elbv2.TargetGroupAttribute{
|
|
Key: aws.String("stickiness.lb_cookie.duration_seconds"),
|
|
Value: aws.String(fmt.Sprintf("%d", stickiness["cookie_duration"].(int))),
|
|
})
|
|
} else if len(stickinessBlocks) == 0 {
|
|
attrs = append(attrs, &elbv2.TargetGroupAttribute{
|
|
Key: aws.String("stickiness.enabled"),
|
|
Value: aws.String("false"),
|
|
})
|
|
}
|
|
}
|
|
|
|
if len(attrs) > 0 {
|
|
params := &elbv2.ModifyTargetGroupAttributesInput{
|
|
TargetGroupArn: aws.String(d.Id()),
|
|
Attributes: attrs,
|
|
}
|
|
|
|
_, err := elbconn.ModifyTargetGroupAttributes(params)
|
|
if err != nil {
|
|
return errwrap.Wrapf("Error modifying Target Group Attributes: {{err}}", err)
|
|
}
|
|
}
|
|
|
|
return resourceAwsAlbTargetGroupRead(d, meta)
|
|
}
|
|
|
|
func resourceAwsAlbTargetGroupDelete(d *schema.ResourceData, meta interface{}) error {
|
|
elbconn := meta.(*AWSClient).elbv2conn
|
|
|
|
_, err := elbconn.DeleteTargetGroup(&elbv2.DeleteTargetGroupInput{
|
|
TargetGroupArn: aws.String(d.Id()),
|
|
})
|
|
if err != nil {
|
|
return errwrap.Wrapf("Error deleting Target Group: {{err}}", err)
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func isTargetGroupNotFound(err error) bool {
|
|
elberr, ok := err.(awserr.Error)
|
|
return ok && elberr.Code() == "TargetGroupNotFound"
|
|
}
|
|
|
|
func validateAwsAlbTargetGroupHealthCheckPath(v interface{}, k string) (ws []string, errors []error) {
|
|
value := v.(string)
|
|
if len(value) > 1024 {
|
|
errors = append(errors, fmt.Errorf(
|
|
"%q cannot be longer than 1024 characters: %q", k, value))
|
|
}
|
|
return
|
|
}
|
|
|
|
func validateAwsAlbTargetGroupHealthCheckPort(v interface{}, k string) (ws []string, errors []error) {
|
|
value := v.(string)
|
|
|
|
if value == "traffic-port" {
|
|
return
|
|
}
|
|
|
|
port, err := strconv.Atoi(value)
|
|
if err != nil {
|
|
errors = append(errors, fmt.Errorf("%q must be a valid port number (1-65536) or %q", k, "traffic-port"))
|
|
}
|
|
|
|
if port < 1 || port > 65536 {
|
|
errors = append(errors, fmt.Errorf("%q must be a valid port number (1-65536) or %q", k, "traffic-port"))
|
|
}
|
|
|
|
return
|
|
}
|
|
|
|
func validateAwsAlbTargetGroupHealthCheckHealthyThreshold(v interface{}, k string) (ws []string, errors []error) {
|
|
value := v.(int)
|
|
if value < 2 || value > 10 {
|
|
errors = append(errors, fmt.Errorf("%q must be an integer between 2 and 10", k))
|
|
}
|
|
return
|
|
}
|
|
|
|
func validateAwsAlbTargetGroupHealthCheckTimeout(v interface{}, k string) (ws []string, errors []error) {
|
|
value := v.(int)
|
|
if value < 2 || value > 60 {
|
|
errors = append(errors, fmt.Errorf("%q must be an integer between 2 and 60", k))
|
|
}
|
|
return
|
|
}
|
|
|
|
func validateAwsAlbTargetGroupHealthCheckProtocol(v interface{}, k string) (ws []string, errors []error) {
|
|
value := strings.ToLower(v.(string))
|
|
if value == "http" || value == "https" {
|
|
return
|
|
}
|
|
|
|
errors = append(errors, fmt.Errorf("%q must be either %q or %q", k, "HTTP", "HTTPS"))
|
|
return
|
|
}
|
|
|
|
func validateAwsAlbTargetGroupPort(v interface{}, k string) (ws []string, errors []error) {
|
|
port := v.(int)
|
|
if port < 1 || port > 65536 {
|
|
errors = append(errors, fmt.Errorf("%q must be a valid port number (1-65536)", k))
|
|
}
|
|
return
|
|
}
|
|
|
|
func validateAwsAlbTargetGroupProtocol(v interface{}, k string) (ws []string, errors []error) {
|
|
protocol := strings.ToLower(v.(string))
|
|
if protocol == "http" || protocol == "https" {
|
|
return
|
|
}
|
|
|
|
errors = append(errors, fmt.Errorf("%q must be either %q or %q", k, "HTTP", "HTTPS"))
|
|
return
|
|
}
|
|
|
|
func validateAwsAlbTargetGroupDeregistrationDelay(v interface{}, k string) (ws []string, errors []error) {
|
|
delay := v.(int)
|
|
if delay < 0 || delay > 3600 {
|
|
errors = append(errors, fmt.Errorf("%q must be in the range 0-3600 seconds", k))
|
|
}
|
|
return
|
|
}
|
|
|
|
func validateAwsAlbTargetGroupStickinessType(v interface{}, k string) (ws []string, errors []error) {
|
|
stickinessType := v.(string)
|
|
if stickinessType != "lb_cookie" {
|
|
errors = append(errors, fmt.Errorf("%q must have the value %q", k, "lb_cookie"))
|
|
}
|
|
return
|
|
}
|
|
|
|
func validateAwsAlbTargetGroupStickinessCookieDuration(v interface{}, k string) (ws []string, errors []error) {
|
|
duration := v.(int)
|
|
if duration < 1 || duration > 604800 {
|
|
errors = append(errors, fmt.Errorf("%q must be a between 1 second and 1 week (1-604800 seconds))", k))
|
|
}
|
|
return
|
|
}
|