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provider/digitalocean: Add support for LoadBalancers (#12077) 

* provider/digitalocean: Add support for LoadBalancers

Fixes: #11945

```
% make testacc TEST=./builtin/providers/digitalocean TESTARGS='-run=TestAccDigitalOceanLoadbalancer_'                                  2 ↵ ✹ ✭
==> Checking that code complies with gofmt requirements...
go generate $(go list ./... | grep -v /terraform/vendor/)
2017/02/18 21:49:11 Generated command/internal_plugin_list.go
TF_ACC=1 go test ./builtin/providers/digitalocean -v -run=TestAccDigitalOceanLoadbalancer_ -timeout 120m
=== RUN   TestAccDigitalOceanLoadbalancer_Basic
--- PASS: TestAccDigitalOceanLoadbalancer_Basic (121.18s)
=== RUN   TestAccDigitalOceanLoadbalancer_Updated
--- PASS: TestAccDigitalOceanLoadbalancer_Updated (168.35s)
=== RUN   TestAccDigitalOceanLoadbalancer_dropletTag
--- PASS: TestAccDigitalOceanLoadbalancer_dropletTag (131.31s)
PASS
ok	github.com/hashicorp/terraform/builtin/providers/digitalocean	420.851s
```

* provider/digitalocean: Addressing PR feedback from @catsby
This commit is contained in:
Paul Stack 2017-02-23 23:41:20 +02:00 committed by GitHub
parent 9fc577547c
commit 861706921c
6 changed files with 868 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

145
builtin/providers/digitalocean/loadbalancer.go Normal file
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@ -0,0 +1,145 @@
package digitalocean
import (
"fmt"
"github.com/digitalocean/godo"
"github.com/hashicorp/terraform/helper/resource"
)
func loadbalancerStateRefreshFunc(client *godo.Client, loadbalancerId string) resource.StateRefreshFunc {
return func() (interface{}, string, error) {
lb, _, err := client.LoadBalancers.Get(loadbalancerId)
if err != nil {
return nil, "", fmt.Errorf("Error issuing read request in LoadbalancerStateRefreshFunc to DigitalOcean for Load Balancer '%s': %s", loadbalancerId, err)
}
return lb, lb.Status, nil
}
}
func expandStickySessions(config []interface{}) *godo.StickySessions {
stickysessionConfig := config[0].(map[string]interface{})
stickySession := &godo.StickySessions{
Type: stickysessionConfig["type"].(string),
}
if v, ok := stickysessionConfig["cookie_name"]; ok {
stickySession.CookieName = v.(string)
}
if v, ok := stickysessionConfig["cookie_ttl_seconds"]; ok {
stickySession.CookieTtlSeconds = v.(int)
}
return stickySession
}
func expandHealthCheck(config []interface{}) *godo.HealthCheck {
healthcheckConfig := config[0].(map[string]interface{})
healthcheck := &godo.HealthCheck{
Protocol: healthcheckConfig["protocol"].(string),
Port: healthcheckConfig["port"].(int),
CheckIntervalSeconds: healthcheckConfig["check_interval_seconds"].(int),
ResponseTimeoutSeconds: healthcheckConfig["response_timeout_seconds"].(int),
UnhealthyThreshold: healthcheckConfig["unhealthy_threshold"].(int),
HealthyThreshold: healthcheckConfig["healthy_threshold"].(int),
}
if v, ok := healthcheckConfig["path"]; ok {
healthcheck.Path = v.(string)
}
return healthcheck
}
func expandForwardingRules(config []interface{}) []godo.ForwardingRule {
forwardingRules := make([]godo.ForwardingRule, 0, len(config))
for _, rawRule := range config {
rule := rawRule.(map[string]interface{})
r := godo.ForwardingRule{
EntryPort: rule["entry_port"].(int),
EntryProtocol: rule["entry_protocol"].(string),
TargetPort: rule["target_port"].(int),
TargetProtocol: rule["target_protocol"].(string),
TlsPassthrough: rule["tls_passthrough"].(bool),
}
if v, ok := rule["certificate_id"]; ok {
r.CertificateID = v.(string)
}
forwardingRules = append(forwardingRules, r)
}
return forwardingRules
}
func flattenDropletIds(list []int) []interface{} {
vs := make([]interface{}, 0, len(list))
for _, v := range list {
vs = append(vs, v)
}
return vs
}
func flattenHealthChecks(health *godo.HealthCheck) []map[string]interface{} {
result := make([]map[string]interface{}, 0, 1)
if health != nil {
r := make(map[string]interface{})
r["protocol"] = (*health).Protocol
r["port"] = (*health).Port
r["path"] = (*health).Path
r["check_interval_seconds"] = (*health).CheckIntervalSeconds
r["response_timeout_seconds"] = (*health).ResponseTimeoutSeconds
r["unhealthy_threshold"] = (*health).UnhealthyThreshold
r["healthy_threshold"] = (*health).HealthyThreshold
result = append(result, r)
}
return result
}
func flattenStickySessions(session *godo.StickySessions) []map[string]interface{} {
result := make([]map[string]interface{}, 0, 1)
if session != nil {
r := make(map[string]interface{})
r["type"] = (*session).Type
r["cookie_name"] = (*session).CookieName
r["cookie_ttl_seconds"] = (*session).CookieTtlSeconds
result = append(result, r)
}
return result
}
func flattenForwardingRules(rules []godo.ForwardingRule) []map[string]interface{} {
result := make([]map[string]interface{}, 0, 1)
if rules != nil {
for _, rule := range rules {
r := make(map[string]interface{})
r["entry_protocol"] = rule.EntryProtocol
r["entry_port"] = rule.EntryPort
r["target_protocol"] = rule.TargetProtocol
r["target_port"] = rule.TargetPort
r["certificate_id"] = rule.CertificateID
r["tls_passthrough"] = rule.TlsPassthrough
result = append(result, r)
}
}
return result
}

15
builtin/providers/digitalocean/provider.go
View File

@ -18,13 +18,14 @@ func Provider() terraform.ResourceProvider {
}, },
ResourcesMap: map[string]*schema.Resource{ ResourcesMap: map[string]*schema.Resource{
"digitalocean_domain": resourceDigitalOceanDomain(), "digitalocean_domain": resourceDigitalOceanDomain(),
"digitalocean_droplet": resourceDigitalOceanDroplet(), "digitalocean_droplet": resourceDigitalOceanDroplet(),
"digitalocean_floating_ip": resourceDigitalOceanFloatingIp(), "digitalocean_floating_ip": resourceDigitalOceanFloatingIp(),
"digitalocean_record": resourceDigitalOceanRecord(), "digitalocean_loadbalancer": resourceDigitalOceanLoadbalancer(),
"digitalocean_ssh_key": resourceDigitalOceanSSHKey(), "digitalocean_record": resourceDigitalOceanRecord(),
"digitalocean_tag": resourceDigitalOceanTag(), "digitalocean_ssh_key": resourceDigitalOceanSSHKey(),
"digitalocean_volume": resourceDigitalOceanVolume(), "digitalocean_tag": resourceDigitalOceanTag(),
"digitalocean_volume": resourceDigitalOceanVolume(),
}, },
ConfigureFunc: providerConfigure, ConfigureFunc: providerConfigure,

297
builtin/providers/digitalocean/resource_digitalocean_loadbalancer.go Normal file
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@ -0,0 +1,297 @@
package digitalocean
import (
"fmt"
"log"
"strconv"
"time"
"github.com/digitalocean/godo"
"github.com/hashicorp/terraform/helper/resource"
"github.com/hashicorp/terraform/helper/schema"
)
func resourceDigitalOceanLoadbalancer() *schema.Resource {
return &schema.Resource{
Create: resourceDigitalOceanLoadbalancerCreate,
Read: resourceDigitalOceanLoadbalancerRead,
Update: resourceDigitalOceanLoadbalancerUpdate,
Delete: resourceDigitalOceanLoadbalancerDelete,
Schema: map[string]*schema.Schema{
"name": {
Type: schema.TypeString,
Required: true,
},
"region": {
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"algorithm": {
Type: schema.TypeString,
Optional: true,
Default: "round_robin",
},
"forwarding_rule": {
Type: schema.TypeList,
Required: true,
MinItems: 1,
Elem: &schema.Resource{
Schema: map[string]*schema.Schema{
"entry_protocol": {
Type: schema.TypeString,
Required: true,
},
"entry_port": {
Type: schema.TypeInt,
Required: true,
},
"target_protocol": {
Type: schema.TypeString,
Required: true,
},
"target_port": {
Type: schema.TypeInt,
Required: true,
},
"certificate_id": {
Type: schema.TypeString,
Optional: true,
},
"tls_passthrough": {
Type: schema.TypeBool,
Optional: true,
Default: false,
},
},
},
},
"healthcheck": {
Type: schema.TypeList,
Optional: true,
MaxItems: 1,
Elem: &schema.Resource{
Schema: map[string]*schema.Schema{
"protocol": {
Type: schema.TypeString,
Required: true,
},
"port": {
Type: schema.TypeInt,
Required: true,
},
"path": {
Type: schema.TypeString,
Optional: true,
},
"check_interval_seconds": {
Type: schema.TypeInt,
Optional: true,
Default: 10,
},
"response_timeout_seconds": {
Type: schema.TypeInt,
Optional: true,
Default: 5,
},
"unhealthy_threshold": {
Type: schema.TypeInt,
Optional: true,
Default: 3,
},
"healthy_threshold": {
Type: schema.TypeInt,
Optional: true,
Default: 5,
},
},
},
},
"sticky_sessions": {
Type: schema.TypeList,
Optional: true,
Computed: true, //this needs to be computed as the API returns a struct with none as the type
MaxItems: 1,
Elem: &schema.Resource{
Schema: map[string]*schema.Schema{
"type": {
Type: schema.TypeString,
Optional: true,
Default: "none",
},
"cookie_name": {
Type: schema.TypeString,
Optional: true,
},
"cookie_ttl_seconds": {
Type: schema.TypeInt,
Optional: true,
},
},
},
},
"droplet_ids": {
Type: schema.TypeList,
Elem: &schema.Schema{Type: schema.TypeString},
Optional: true,
},
"droplet_tag": {
Type: schema.TypeString,
Optional: true,
},
"redirect_http_to_https": {
Type: schema.TypeBool,
Optional: true,
Default: false,
},
"ip": {
Type: schema.TypeString,
Computed: true,
},
},
}
}
func buildLoadBalancerRequest(d *schema.ResourceData) (*godo.LoadBalancerRequest, error) {
opts := &godo.LoadBalancerRequest{
Name: d.Get("name").(string),
Region: d.Get("region").(string),
Algorithm: d.Get("algorithm").(string),
RedirectHttpToHttps: d.Get("redirect_http_to_https").(bool),
ForwardingRules: expandForwardingRules(d.Get("forwarding_rule").([]interface{})),
}
if v, ok := d.GetOk("droplet_ids"); ok {
var droplets []int
for _, id := range v.([]interface{}) {
i, err := strconv.Atoi(id.(string))
if err != nil {
return nil, err
}
droplets = append(droplets, i)
}
opts.DropletIDs = droplets
}
if v, ok := d.GetOk("droplet_tag"); ok {
opts.Tag = v.(string)
}
if v, ok := d.GetOk("healthcheck"); ok {
opts.HealthCheck = expandHealthCheck(v.([]interface{}))
}
if v, ok := d.GetOk("sticky_sessions"); ok {
opts.StickySessions = expandStickySessions(v.([]interface{}))
}
return opts, nil
}
func resourceDigitalOceanLoadbalancerCreate(d *schema.ResourceData, meta interface{}) error {
client := meta.(*godo.Client)
log.Printf("[INFO] Create a Loadbalancer Request")
lbOpts, err := buildLoadBalancerRequest(d)
if err != nil {
return err
}
log.Printf("[DEBUG] Loadbalancer Create: %#v", lbOpts)
loadbalancer, _, err := client.LoadBalancers.Create(lbOpts)
if err != nil {
return fmt.Errorf("Error creating Load Balancer: %s", err)
}
d.SetId(loadbalancer.ID)
log.Printf("[DEBUG] Waiting for Load Balancer (%s) to become active", d.Get("name"))
stateConf := &resource.StateChangeConf{
Pending: []string{"new"},
Target: []string{"active"},
Refresh: loadbalancerStateRefreshFunc(client, d.Id()),
Timeout: 10 * time.Minute,
MinTimeout: 15 * time.Second,
}
if _, err := stateConf.WaitForState(); err != nil {
return fmt.Errorf("Error waiting for Load Balancer (%s) to become active: %s", d.Get("name"), err)
}
return resourceDigitalOceanLoadbalancerRead(d, meta)
}
func resourceDigitalOceanLoadbalancerRead(d *schema.ResourceData, meta interface{}) error {
client := meta.(*godo.Client)
log.Printf("[INFO] Reading the details of the Loadbalancer %s", d.Id())
loadbalancer, _, err := client.LoadBalancers.Get(d.Id())
if err != nil {
return fmt.Errorf("Error retrieving Loadbalancer: %s", err)
}
d.Set("name", loadbalancer.Name)
d.Set("ip", loadbalancer.IP)
d.Set("algorithm", loadbalancer.Algorithm)
d.Set("region", loadbalancer.Region.Slug)
d.Set("redirect_http_to_https", loadbalancer.RedirectHttpToHttps)
d.Set("droplet_ids", flattenDropletIds(loadbalancer.DropletIDs))
d.Set("droplet_tag", loadbalancer.Tag)
if err := d.Set("sticky_sessions", flattenStickySessions(loadbalancer.StickySessions)); err != nil {
return fmt.Errorf("[DEBUG] Error setting Load Balancer sticky_sessions - error: %#v", err)
}
if err := d.Set("healthcheck", flattenHealthChecks(loadbalancer.HealthCheck)); err != nil {
return fmt.Errorf("[DEBUG] Error setting Load Balancer healthcheck - error: %#v", err)
}
if err := d.Set("forwarding_rule", flattenForwardingRules(loadbalancer.ForwardingRules)); err != nil {
return fmt.Errorf("[DEBUG] Error setting Load Balancer forwarding_rule - error: %#v", err)
}
return nil
}
func resourceDigitalOceanLoadbalancerUpdate(d *schema.ResourceData, meta interface{}) error {
client := meta.(*godo.Client)
lbOpts, err := buildLoadBalancerRequest(d)
if err != nil {
return err
}
log.Printf("[DEBUG] Load Balancer Update: %#v", lbOpts)
_, _, err = client.LoadBalancers.Update(d.Id(), lbOpts)
if err != nil {
return fmt.Errorf("Error updating Load Balancer: %s", err)
}
return resourceDigitalOceanLoadbalancerRead(d, meta)
}
func resourceDigitalOceanLoadbalancerDelete(d *schema.ResourceData, meta interface{}) error {
client := meta.(*godo.Client)
log.Printf("[INFO] Deleting Load Balancer: %s", d.Id())
_, err := client.LoadBalancers.Delete(d.Id())
if err != nil {
return fmt.Errorf("Error deleting Load Balancer: %s", err)
}
d.SetId("")
return nil
}

316
builtin/providers/digitalocean/resource_digitalocean_loadbalancer_test.go Normal file
View File

@ -0,0 +1,316 @@
package digitalocean
import (
"fmt"
"strings"
"testing"
"github.com/digitalocean/godo"
"github.com/hashicorp/terraform/helper/acctest"
"github.com/hashicorp/terraform/helper/resource"
"github.com/hashicorp/terraform/terraform"
)
func TestAccDigitalOceanLoadbalancer_Basic(t *testing.T) {
var loadbalancer godo.LoadBalancer
rInt := acctest.RandInt()
resource.Test(t, resource.TestCase{
PreCheck: func() { testAccPreCheck(t) },
Providers: testAccProviders,
CheckDestroy: testAccCheckDigitalOceanLoadbalancerDestroy,
Steps: []resource.TestStep{
{
Config: testAccCheckDigitalOceanLoadbalancerConfig_basic(rInt),
Check: resource.ComposeAggregateTestCheckFunc(
testAccCheckDigitalOceanLoadbalancerExists("digitalocean_loadbalancer.foobar", &loadbalancer),
resource.TestCheckResourceAttr(
"digitalocean_loadbalancer.foobar", "name", fmt.Sprintf("loadbalancer-%d", rInt)),
resource.TestCheckResourceAttr(
"digitalocean_loadbalancer.foobar", "region", "nyc3"),
resource.TestCheckResourceAttr(
"digitalocean_loadbalancer.foobar", "forwarding_rule.#", "1"),
resource.TestCheckResourceAttr(
"digitalocean_loadbalancer.foobar", "forwarding_rule.0.entry_port", "80"),
resource.TestCheckResourceAttr(
"digitalocean_loadbalancer.foobar", "forwarding_rule.0.entry_protocol", "http"),
resource.TestCheckResourceAttr(
"digitalocean_loadbalancer.foobar", "forwarding_rule.0.target_port", "80"),
resource.TestCheckResourceAttr(
"digitalocean_loadbalancer.foobar", "forwarding_rule.0.target_protocol", "http"),
resource.TestCheckResourceAttr(
"digitalocean_loadbalancer.foobar", "healthcheck.#", "1"),
resource.TestCheckResourceAttr(
"digitalocean_loadbalancer.foobar", "healthcheck.0.port", "22"),
resource.TestCheckResourceAttr(
"digitalocean_loadbalancer.foobar", "healthcheck.0.protocol", "tcp"),
resource.TestCheckResourceAttr(
"digitalocean_loadbalancer.foobar", "droplet_ids.#", "1"),
),
},
},
})
}
func TestAccDigitalOceanLoadbalancer_Updated(t *testing.T) {
var loadbalancer godo.LoadBalancer
rInt := acctest.RandInt()
resource.Test(t, resource.TestCase{
PreCheck: func() { testAccPreCheck(t) },
Providers: testAccProviders,
CheckDestroy: testAccCheckDigitalOceanLoadbalancerDestroy,
Steps: []resource.TestStep{
{
Config: testAccCheckDigitalOceanLoadbalancerConfig_basic(rInt),
Check: resource.ComposeAggregateTestCheckFunc(
testAccCheckDigitalOceanLoadbalancerExists("digitalocean_loadbalancer.foobar", &loadbalancer),
resource.TestCheckResourceAttr(
"digitalocean_loadbalancer.foobar", "name", fmt.Sprintf("loadbalancer-%d", rInt)),
resource.TestCheckResourceAttr(
"digitalocean_loadbalancer.foobar", "region", "nyc3"),
resource.TestCheckResourceAttr(
"digitalocean_loadbalancer.foobar", "forwarding_rule.#", "1"),
resource.TestCheckResourceAttr(
"digitalocean_loadbalancer.foobar", "forwarding_rule.0.entry_port", "80"),
resource.TestCheckResourceAttr(
"digitalocean_loadbalancer.foobar", "forwarding_rule.0.entry_protocol", "http"),
resource.TestCheckResourceAttr(
"digitalocean_loadbalancer.foobar", "forwarding_rule.0.target_port", "80"),
resource.TestCheckResourceAttr(
"digitalocean_loadbalancer.foobar", "forwarding_rule.0.target_protocol", "http"),
resource.TestCheckResourceAttr(
"digitalocean_loadbalancer.foobar", "healthcheck.#", "1"),
resource.TestCheckResourceAttr(
"digitalocean_loadbalancer.foobar", "healthcheck.0.port", "22"),
resource.TestCheckResourceAttr(
"digitalocean_loadbalancer.foobar", "healthcheck.0.protocol", "tcp"),
resource.TestCheckResourceAttr(
"digitalocean_loadbalancer.foobar", "droplet_ids.#", "1"),
),
},
{
Config: testAccCheckDigitalOceanLoadbalancerConfig_updated(rInt),
Check: resource.ComposeAggregateTestCheckFunc(
testAccCheckDigitalOceanLoadbalancerExists("digitalocean_loadbalancer.foobar", &loadbalancer),
resource.TestCheckResourceAttr(
"digitalocean_loadbalancer.foobar", "name", fmt.Sprintf("loadbalancer-%d", rInt)),
resource.TestCheckResourceAttr(
"digitalocean_loadbalancer.foobar", "region", "nyc3"),
resource.TestCheckResourceAttr(
"digitalocean_loadbalancer.foobar", "forwarding_rule.#", "1"),
resource.TestCheckResourceAttr(
"digitalocean_loadbalancer.foobar", "forwarding_rule.0.entry_port", "81"),
resource.TestCheckResourceAttr(
"digitalocean_loadbalancer.foobar", "forwarding_rule.0.entry_protocol", "http"),
resource.TestCheckResourceAttr(
"digitalocean_loadbalancer.foobar", "forwarding_rule.0.target_port", "81"),
resource.TestCheckResourceAttr(
"digitalocean_loadbalancer.foobar", "forwarding_rule.0.target_protocol", "http"),
resource.TestCheckResourceAttr(
"digitalocean_loadbalancer.foobar", "healthcheck.#", "1"),
resource.TestCheckResourceAttr(
"digitalocean_loadbalancer.foobar", "healthcheck.0.port", "22"),
resource.TestCheckResourceAttr(
"digitalocean_loadbalancer.foobar", "healthcheck.0.protocol", "tcp"),
resource.TestCheckResourceAttr(
"digitalocean_loadbalancer.foobar", "droplet_ids.#", "2"),
),
},
},
})
}
func TestAccDigitalOceanLoadbalancer_dropletTag(t *testing.T) {
var loadbalancer godo.LoadBalancer
rInt := acctest.RandInt()
resource.Test(t, resource.TestCase{
PreCheck: func() { testAccPreCheck(t) },
Providers: testAccProviders,
CheckDestroy: testAccCheckDigitalOceanLoadbalancerDestroy,
Steps: []resource.TestStep{
{
Config: testAccCheckDigitalOceanLoadbalancerConfig_dropletTag(rInt),
Check: resource.ComposeAggregateTestCheckFunc(
testAccCheckDigitalOceanLoadbalancerExists("digitalocean_loadbalancer.foobar", &loadbalancer),
resource.TestCheckResourceAttr(
"digitalocean_loadbalancer.foobar", "name", fmt.Sprintf("loadbalancer-%d", rInt)),
resource.TestCheckResourceAttr(
"digitalocean_loadbalancer.foobar", "region", "nyc3"),
resource.TestCheckResourceAttr(
"digitalocean_loadbalancer.foobar", "forwarding_rule.#", "1"),
resource.TestCheckResourceAttr(
"digitalocean_loadbalancer.foobar", "forwarding_rule.0.entry_port", "80"),
resource.TestCheckResourceAttr(
"digitalocean_loadbalancer.foobar", "forwarding_rule.0.entry_protocol", "http"),
resource.TestCheckResourceAttr(
"digitalocean_loadbalancer.foobar", "forwarding_rule.0.target_port", "80"),
resource.TestCheckResourceAttr(
"digitalocean_loadbalancer.foobar", "forwarding_rule.0.target_protocol", "http"),
resource.TestCheckResourceAttr(
"digitalocean_loadbalancer.foobar", "healthcheck.#", "1"),
resource.TestCheckResourceAttr(
"digitalocean_loadbalancer.foobar", "healthcheck.0.port", "22"),
resource.TestCheckResourceAttr(
"digitalocean_loadbalancer.foobar", "healthcheck.0.protocol", "tcp"),
resource.TestCheckResourceAttr(
"digitalocean_loadbalancer.foobar", "droplet_tag", "sample"),
),
},
},
})
}
func testAccCheckDigitalOceanLoadbalancerDestroy(s *terraform.State) error {
client := testAccProvider.Meta().(*godo.Client)
for _, rs := range s.RootModule().Resources {
if rs.Type != "digitalocean_loadbalancer" {
continue
}
_, _, err := client.LoadBalancers.Get(rs.Primary.ID)
if err != nil && !strings.Contains(err.Error(), "404") {
return fmt.Errorf(
"Error waiting for loadbalancer (%s) to be destroyed: %s",
rs.Primary.ID, err)
}
}
return nil
}
func testAccCheckDigitalOceanLoadbalancerExists(n string, loadbalancer *godo.LoadBalancer) resource.TestCheckFunc {
return func(s *terraform.State) error {
rs, ok := s.RootModule().Resources[n]
if !ok {
return fmt.Errorf("Not found: %s", n)
}
if rs.Primary.ID == "" {
return fmt.Errorf("No Loadbalancer ID is set")
}
client := testAccProvider.Meta().(*godo.Client)
lb, _, err := client.LoadBalancers.Get(rs.Primary.ID)
if err != nil {
return err
}
if lb.ID != rs.Primary.ID {
return fmt.Errorf("Loabalancer not found")
}
*loadbalancer = *lb
return nil
}
}
func testAccCheckDigitalOceanLoadbalancerConfig_basic(rInt int) string {
return fmt.Sprintf(`
resource "digitalocean_droplet" "foobar" {
name = "foo-%d"
size = "512mb"
image = "centos-7-x64"
region = "nyc3"
}
resource "digitalocean_loadbalancer" "foobar" {
name = "loadbalancer-%d"
region = "nyc3"
forwarding_rule {
entry_port = 80
entry_protocol = "http"
target_port = 80
target_protocol = "http"
}
healthcheck {
port = 22
protocol = "tcp"
}
droplet_ids = ["${digitalocean_droplet.foobar.id}"]
}`, rInt, rInt)
}
func testAccCheckDigitalOceanLoadbalancerConfig_updated(rInt int) string {
return fmt.Sprintf(`
resource "digitalocean_droplet" "foobar" {
name = "foo-%d"
size = "512mb"
image = "centos-7-x64"
region = "nyc3"
}
resource "digitalocean_droplet" "foo" {
name = "foo-%d"
size = "512mb"
image = "centos-7-x64"
region = "nyc3"
}
resource "digitalocean_loadbalancer" "foobar" {
name = "loadbalancer-%d"
region = "nyc3"
forwarding_rule {
entry_port = 81
entry_protocol = "http"
target_port = 81
target_protocol = "http"
}
healthcheck {
port = 22
protocol = "tcp"
}
droplet_ids = ["${digitalocean_droplet.foobar.id}","${digitalocean_droplet.foo.id}"]
}`, rInt, rInt, rInt)
}
func testAccCheckDigitalOceanLoadbalancerConfig_dropletTag(rInt int) string {
return fmt.Sprintf(`
resource "digitalocean_tag" "barbaz" {
name = "sample"
}
resource "digitalocean_droplet" "foobar" {
name = "foo-%d"
size = "512mb"
image = "centos-7-x64"
region = "nyc3"
tags = ["${digitalocean_tag.barbaz.id}"]
}
resource "digitalocean_loadbalancer" "foobar" {
name = "loadbalancer-%d"
region = "nyc3"
forwarding_rule {
entry_port = 80
entry_protocol = "http"
target_port = 80
target_protocol = "http"
}
healthcheck {
port = 22
protocol = "tcp"
}
droplet_tag = "${digitalocean_tag.barbaz.name}"
depends_on = ["digitalocean_droplet.foobar"]
}`, rInt, rInt)
}

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website/source/docs/providers/do/r/loadbalancer.html.markdown Normal file
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---
layout: "digitalocean"
page_title: "DigitalOcean: digitalocean_loadbalancer"
sidebar_current: "docs-do-resource-loadbalancer"
description: |-
Provides a DigitalOcean Load Balancer resource. This can be used to create, modify, and delete Load Balancers.
---
# digitalocean\_loadbalancer
Provides a DigitalOcean Load Balancer resource. This can be used to create,
modify, and delete Load Balancers.
## Example Usage
```
resource "digitalocean_droplet" "web" {
name = "web-1"
size = "512mb"
image = "centos-7-x64"
region = "nyc3"
}
resource "digitalocean_loadbalancer" "public" {
name = "loadbalancer-1"
region = "nyc3"
forwarding_rule {
entry_port = 80
entry_protocol = "http"
target_port = 80
target_protocol = "http"
}
healthcheck {
port = 22
protocol = "tcp"
}
droplet_ids = ["${digitalocean_droplet.web.id}"]
}
```
## Argument Reference
The following arguments are supported:
* `name` - (Required) The Load Balancer name
* `region` - (Required) The region to start in
* `algorithm` - (Optional) The load balancing algorithm used to determine
which backend Droplet will be selected by a client. It must be either `round_robin`
or `least_connections`. The default value is `round_robin`.
* `forwarding_rule` - (Required) A list of `forwarding_rule` to be assigned to the
Load Balancer. The `forwarding_rule` block is documented below.
* `healthcheck` - (Optional) A `healthcheck` block to be assigned to the
Load Balancer. The `healthcheck` block is documented below. Only 1 healthcheck is allowed.
* `sticky_sessions` - (Optional) A `sticky_sessions` block to be assigned to the
Load Balancer. The `sticky_sessions` block is documented below. Only 1 sticky_sessions block is allowed.
* `redirect_http_to_https` - (Optional) A boolean value indicating whether
HTTP requests to the Load Balancer on port 80 will be redirected to HTTPS on port 443.
Default value is `false`.
* `droplet_ids` (Optional) - A list of the IDs of each droplet to be attached to the Load Balancer.
* `droplet_tag` (Optional) - The name of a Droplet tag corresponding to Droplets to be assigned to the Load Balancer.
`forwarding_rule` supports the following:
* `entry_protocol` - (Required) The protocol used for traffic to the Load Balancer. The possible values are: `http`, `https`, or `tcp`.
* `entry_port` - (Required) An integer representing the port on which the Load Balancer instance will listen.
* `target_protocol` - (Required) The protocol used for traffic from the Load Balancer to the backend Droplets. The possible values are: `http`, `https`, or `tcp`.
* `target_port` - (Required) An integer representing the port on the backend Droplets to which the Load Balancer will send traffic.
* `certificate_id` - (Optional) The ID of the TLS certificate to be used for SSL termination.
* `tls_passthrough` - (Optional) A boolean value indicating whether SSL encrypted traffic will be passed through to the backend Droplets. The default value is `false`.
`sticky_sessions` supports the following:
* `type` - (Required) An attribute indicating how and if requests from a client will be persistently served by the same backend Droplet. The possible values are `cookies` or `none`. If not specified, the default value is `none`.
* `cookie_name` - (Optional) The name to be used for the cookie sent to the client. This attribute is required when using `cookies` for the sticky sessions type.
* `cookie_ttl_seconds` - (Optional) The number of seconds until the cookie set by the Load Balancer expires. This attribute is required when using `cookies` for the sticky sessions type.
`healthcheck` supports the following:
* `protocol` - (Required) The protocol used for health checks sent to the backend Droplets. The possible values are `http` or `tcp`.
* `port` - (Optional) An integer representing the port on the backend Droplets on which the health check will attempt a connection.
* `path` - (Optional) The path on the backend Droplets to which the Load Balancer instance will send a request.
* `check_interval_seconds` - (Optional) The number of seconds between between two consecutive health checks. If not specified, the default value is `10`.
* `response_timeout_seconds` - (Optional) The number of seconds the Load Balancer instance will wait for a response until marking a health check as failed. If not specified, the default value is `5`.
* `unhealthy_threshold` - (Optional) The number of times a health check must fail for a backend Droplet to be marked "unhealthy" and be removed from the pool. If not specified, the default value is `3`.
* `healthy_threshold` - (Optional) The number of times a health check must pass for a backend Droplet to be marked "healthy" and be re-added to the pool. If not specified, the default value is `5`.
## Attributes Reference
The following attributes are exported:
* `id` - The ID of the Load Balancer
* `ip`- The ip of the Load Balancer

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<a href="/docs/providers/do/r/floating_ip.html">digitalocean_floating_ip</a> <a href="/docs/providers/do/r/floating_ip.html">digitalocean_floating_ip</a>
</li> </li>
<li<%= sidebar_current("docs-do-resource-loadbalancer") %>>
<a href="/docs/providers/do/r/loadbalancer.html">digitalocean_loadbalancer</a>
</li>
<li<%= sidebar_current("docs-do-resource-record") %>> <li<%= sidebar_current("docs-do-resource-record") %>>
<a href="/docs/providers/do/r/record.html">digitalocean_record</a> <a href="/docs/providers/do/r/record.html">digitalocean_record</a>
</li> </li>