terraform/builtin/providers/azurerm/resource_arm_loadbalancer_r...

383 lines
11 KiB
Go

package azurerm
import (
"fmt"
"log"
"regexp"
"time"
"github.com/Azure/azure-sdk-for-go/arm/network"
"github.com/hashicorp/errwrap"
"github.com/hashicorp/terraform/helper/resource"
"github.com/hashicorp/terraform/helper/schema"
"github.com/jen20/riviera/azure"
)
func resourceArmLoadBalancerRule() *schema.Resource {
return &schema.Resource{
Create: resourceArmLoadBalancerRuleCreate,
Read: resourceArmLoadBalancerRuleRead,
Update: resourceArmLoadBalancerRuleCreate,
Delete: resourceArmLoadBalancerRuleDelete,
Importer: &schema.ResourceImporter{
State: loadBalancerSubResourceStateImporter,
},
Schema: map[string]*schema.Schema{
"name": {
Type: schema.TypeString,
Required: true,
ForceNew: true,
ValidateFunc: validateArmLoadBalancerRuleName,
},
"location": deprecatedLocationSchema(),
"resource_group_name": {
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"loadbalancer_id": {
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"frontend_ip_configuration_name": {
Type: schema.TypeString,
Required: true,
},
"frontend_ip_configuration_id": {
Type: schema.TypeString,
Computed: true,
},
"backend_address_pool_id": {
Type: schema.TypeString,
Optional: true,
Computed: true,
},
"protocol": {
Type: schema.TypeString,
Required: true,
StateFunc: ignoreCaseStateFunc,
DiffSuppressFunc: ignoreCaseDiffSuppressFunc,
},
"frontend_port": {
Type: schema.TypeInt,
Required: true,
},
"backend_port": {
Type: schema.TypeInt,
Required: true,
},
"probe_id": {
Type: schema.TypeString,
Optional: true,
Computed: true,
},
"enable_floating_ip": {
Type: schema.TypeBool,
Optional: true,
Default: false,
},
"idle_timeout_in_minutes": {
Type: schema.TypeInt,
Optional: true,
Computed: true,
},
"load_distribution": {
Type: schema.TypeString,
Optional: true,
Computed: true,
},
},
}
}
func resourceArmLoadBalancerRuleCreate(d *schema.ResourceData, meta interface{}) error {
client := meta.(*ArmClient)
lbClient := client.loadBalancerClient
loadBalancerID := d.Get("loadbalancer_id").(string)
armMutexKV.Lock(loadBalancerID)
defer armMutexKV.Unlock(loadBalancerID)
loadBalancer, exists, err := retrieveLoadBalancerById(loadBalancerID, meta)
if err != nil {
return errwrap.Wrapf("Error Getting LoadBalancer By ID {{err}}", err)
}
if !exists {
d.SetId("")
log.Printf("[INFO] LoadBalancer %q not found. Removing from state", d.Get("name").(string))
return nil
}
newLbRule, err := expandAzureRmLoadBalancerRule(d, loadBalancer)
if err != nil {
return errwrap.Wrapf("Error Exanding LoadBalancer Rule {{err}}", err)
}
lbRules := append(*loadBalancer.LoadBalancerPropertiesFormat.LoadBalancingRules, *newLbRule)
existingRule, existingRuleIndex, exists := findLoadBalancerRuleByName(loadBalancer, d.Get("name").(string))
if exists {
if d.Get("name").(string) == *existingRule.Name {
// this rule is being updated/reapplied remove old copy from the slice
lbRules = append(lbRules[:existingRuleIndex], lbRules[existingRuleIndex+1:]...)
}
}
loadBalancer.LoadBalancerPropertiesFormat.LoadBalancingRules = &lbRules
resGroup, loadBalancerName, err := resourceGroupAndLBNameFromId(d.Get("loadbalancer_id").(string))
if err != nil {
return errwrap.Wrapf("Error Getting LoadBalancer Name and Group: {{err}}", err)
}
_, error := lbClient.CreateOrUpdate(resGroup, loadBalancerName, *loadBalancer, make(chan struct{}))
err = <-error
if err != nil {
return errwrap.Wrapf("Error Creating/Updating LoadBalancer {{err}}", err)
}
read, err := lbClient.Get(resGroup, loadBalancerName, "")
if err != nil {
return errwrap.Wrapf("Error Getting LoadBalancer {{err}}", err)
}
if read.ID == nil {
return fmt.Errorf("Cannot read LoadBalancer %s (resource group %s) ID", loadBalancerName, resGroup)
}
var rule_id string
for _, LoadBalancingRule := range *(*read.LoadBalancerPropertiesFormat).LoadBalancingRules {
if *LoadBalancingRule.Name == d.Get("name").(string) {
rule_id = *LoadBalancingRule.ID
}
}
if rule_id != "" {
d.SetId(rule_id)
} else {
return fmt.Errorf("Cannot find created LoadBalancer Rule ID %q", rule_id)
}
log.Printf("[DEBUG] Waiting for LoadBalancer (%s) to become available", loadBalancerName)
stateConf := &resource.StateChangeConf{
Pending: []string{"Accepted", "Updating"},
Target: []string{"Succeeded"},
Refresh: loadbalancerStateRefreshFunc(client, resGroup, loadBalancerName),
Timeout: 10 * time.Minute,
}
if _, err := stateConf.WaitForState(); err != nil {
return fmt.Errorf("Error waiting for LoadBalancer (%s) to become available: %s", loadBalancerName, err)
}
return resourceArmLoadBalancerRuleRead(d, meta)
}
func resourceArmLoadBalancerRuleRead(d *schema.ResourceData, meta interface{}) error {
id, err := parseAzureResourceID(d.Id())
if err != nil {
return err
}
name := id.Path["loadBalancingRules"]
loadBalancer, exists, err := retrieveLoadBalancerById(d.Get("loadbalancer_id").(string), meta)
if err != nil {
return errwrap.Wrapf("Error Getting LoadBalancer By ID {{err}}", err)
}
if !exists {
d.SetId("")
log.Printf("[INFO] LoadBalancer %q not found. Removing from state", name)
return nil
}
config, _, exists := findLoadBalancerRuleByName(loadBalancer, name)
if !exists {
d.SetId("")
log.Printf("[INFO] LoadBalancer Rule %q not found. Removing from state", name)
return nil
}
d.Set("name", config.Name)
d.Set("resource_group_name", id.ResourceGroup)
d.Set("protocol", config.LoadBalancingRulePropertiesFormat.Protocol)
d.Set("frontend_port", config.LoadBalancingRulePropertiesFormat.FrontendPort)
d.Set("backend_port", config.LoadBalancingRulePropertiesFormat.BackendPort)
if config.LoadBalancingRulePropertiesFormat.EnableFloatingIP != nil {
d.Set("enable_floating_ip", config.LoadBalancingRulePropertiesFormat.EnableFloatingIP)
}
if config.LoadBalancingRulePropertiesFormat.IdleTimeoutInMinutes != nil {
d.Set("idle_timeout_in_minutes", config.LoadBalancingRulePropertiesFormat.IdleTimeoutInMinutes)
}
if config.LoadBalancingRulePropertiesFormat.FrontendIPConfiguration != nil {
fipID, err := parseAzureResourceID(*config.LoadBalancingRulePropertiesFormat.FrontendIPConfiguration.ID)
if err != nil {
return err
}
d.Set("frontend_ip_configuration_name", fipID.Path["frontendIPConfigurations"])
d.Set("frontend_ip_configuration_id", config.LoadBalancingRulePropertiesFormat.FrontendIPConfiguration.ID)
}
if config.LoadBalancingRulePropertiesFormat.BackendAddressPool != nil {
d.Set("backend_address_pool_id", config.LoadBalancingRulePropertiesFormat.BackendAddressPool.ID)
}
if config.LoadBalancingRulePropertiesFormat.Probe != nil {
d.Set("probe_id", config.LoadBalancingRulePropertiesFormat.Probe.ID)
}
if config.LoadBalancingRulePropertiesFormat.LoadDistribution != "" {
d.Set("load_distribution", config.LoadBalancingRulePropertiesFormat.LoadDistribution)
}
return nil
}
func resourceArmLoadBalancerRuleDelete(d *schema.ResourceData, meta interface{}) error {
client := meta.(*ArmClient)
lbClient := client.loadBalancerClient
loadBalancerID := d.Get("loadbalancer_id").(string)
armMutexKV.Lock(loadBalancerID)
defer armMutexKV.Unlock(loadBalancerID)
loadBalancer, exists, err := retrieveLoadBalancerById(loadBalancerID, meta)
if err != nil {
return errwrap.Wrapf("Error Getting LoadBalancer By ID {{err}}", err)
}
if !exists {
d.SetId("")
return nil
}
_, index, exists := findLoadBalancerRuleByName(loadBalancer, d.Get("name").(string))
if !exists {
return nil
}
oldLbRules := *loadBalancer.LoadBalancerPropertiesFormat.LoadBalancingRules
newLbRules := append(oldLbRules[:index], oldLbRules[index+1:]...)
loadBalancer.LoadBalancerPropertiesFormat.LoadBalancingRules = &newLbRules
resGroup, loadBalancerName, err := resourceGroupAndLBNameFromId(d.Get("loadbalancer_id").(string))
if err != nil {
return errwrap.Wrapf("Error Getting LoadBalancer Name and Group: {{err}}", err)
}
_, error := lbClient.CreateOrUpdate(resGroup, loadBalancerName, *loadBalancer, make(chan struct{}))
err = <-error
if err != nil {
return errwrap.Wrapf("Error Creating/Updating LoadBalancer {{err}}", err)
}
read, err := lbClient.Get(resGroup, loadBalancerName, "")
if err != nil {
return errwrap.Wrapf("Error Getting LoadBalancer {{err}}", err)
}
if read.ID == nil {
return fmt.Errorf("Cannot read LoadBalancer %s (resource group %s) ID", loadBalancerName, resGroup)
}
return nil
}
func expandAzureRmLoadBalancerRule(d *schema.ResourceData, lb *network.LoadBalancer) (*network.LoadBalancingRule, error) {
properties := network.LoadBalancingRulePropertiesFormat{
Protocol: network.TransportProtocol(d.Get("protocol").(string)),
FrontendPort: azure.Int32(int32(d.Get("frontend_port").(int))),
BackendPort: azure.Int32(int32(d.Get("backend_port").(int))),
EnableFloatingIP: azure.Bool(d.Get("enable_floating_ip").(bool)),
}
if v, ok := d.GetOk("idle_timeout_in_minutes"); ok {
properties.IdleTimeoutInMinutes = azure.Int32(int32(v.(int)))
}
if v := d.Get("load_distribution").(string); v != "" {
properties.LoadDistribution = network.LoadDistribution(v)
}
if v := d.Get("frontend_ip_configuration_name").(string); v != "" {
rule, _, exists := findLoadBalancerFrontEndIpConfigurationByName(lb, v)
if !exists {
return nil, fmt.Errorf("[ERROR] Cannot find FrontEnd IP Configuration with the name %s", v)
}
feip := network.SubResource{
ID: rule.ID,
}
properties.FrontendIPConfiguration = &feip
}
if v := d.Get("backend_address_pool_id").(string); v != "" {
beAP := network.SubResource{
ID: &v,
}
properties.BackendAddressPool = &beAP
}
if v := d.Get("probe_id").(string); v != "" {
pid := network.SubResource{
ID: &v,
}
properties.Probe = &pid
}
lbRule := network.LoadBalancingRule{
Name: azure.String(d.Get("name").(string)),
LoadBalancingRulePropertiesFormat: &properties,
}
return &lbRule, nil
}
func validateArmLoadBalancerRuleName(v interface{}, k string) (ws []string, errors []error) {
value := v.(string)
if !regexp.MustCompile(`^[a-zA-Z_0-9.-]+$`).MatchString(value) {
errors = append(errors, fmt.Errorf(
"only word characters, numbers, underscores, periods, and hyphens allowed in %q: %q",
k, value))
}
if len(value) > 80 {
errors = append(errors, fmt.Errorf(
"%q cannot be longer than 80 characters: %q", k, value))
}
if len(value) == 0 {
errors = append(errors, fmt.Errorf(
"%q cannot be an empty string: %q", k, value))
}
if !regexp.MustCompile(`[a-zA-Z0-9_]$`).MatchString(value) {
errors = append(errors, fmt.Errorf(
"%q must end with a word character, number, or underscore: %q", k, value))
}
if !regexp.MustCompile(`^[a-zA-Z0-9]`).MatchString(value) {
errors = append(errors, fmt.Errorf(
"%q must start with a word character or number: %q", k, value))
}
return
}