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