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, Schema: map[string]*schema.Schema{ "name": { Type: schema.TypeString, Required: true, ForceNew: true, ValidateFunc: validateArmLoadBalancerRuleName, }, "location": locationSchema(), "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, }, "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.Properties.LoadBalancingRules, *newLbRule) existingRule, existingRuleIndex, exists := findLoadBalancerRuleByName(loadBalancer, d.Get("name").(string)) if exists { if d.Id() == *existingRule.ID { // this rule is being updated remove old copy from the slice lbRules = append(lbRules[:existingRuleIndex], lbRules[existingRuleIndex+1:]...) } else { return fmt.Errorf("A LoadBalancer Rule with name %q already exists.", d.Get("name").(string)) } } loadBalancer.Properties.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) } _, err = lbClient.CreateOrUpdate(resGroup, loadBalancerName, *loadBalancer, make(chan struct{})) 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.Properties).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 { 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", d.Get("name").(string)) return nil } configs := *loadBalancer.Properties.LoadBalancingRules for _, config := range configs { if *config.Name == d.Get("name").(string) { d.Set("name", config.Name) d.Set("protocol", config.Properties.Protocol) d.Set("frontend_port", config.Properties.FrontendPort) d.Set("backend_port", config.Properties.BackendPort) if config.Properties.EnableFloatingIP != nil { d.Set("enable_floating_ip", config.Properties.EnableFloatingIP) } if config.Properties.IdleTimeoutInMinutes != nil { d.Set("idle_timeout_in_minutes", config.Properties.IdleTimeoutInMinutes) } if config.Properties.FrontendIPConfiguration != nil { d.Set("frontend_ip_configuration_id", config.Properties.FrontendIPConfiguration.ID) } if config.Properties.BackendAddressPool != nil { d.Set("backend_address_pool_id", config.Properties.BackendAddressPool.ID) } if config.Properties.Probe != nil { d.Set("probe_id", config.Properties.Probe.ID) } if config.Properties.LoadDistribution != "" { d.Set("load_distribution", config.Properties.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.Properties.LoadBalancingRules newLbRules := append(oldLbRules[:index], oldLbRules[index+1:]...) loadBalancer.Properties.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) } _, err = lbClient.CreateOrUpdate(resGroup, loadBalancerName, *loadBalancer, make(chan struct{})) 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)), Properties: &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 }