240 lines
8.4 KiB
Go
240 lines
8.4 KiB
Go
package azurerm
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import (
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"fmt"
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"reflect"
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"strings"
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"sync"
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"github.com/hashicorp/go-multierror"
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"github.com/hashicorp/terraform/helper/mutexkv"
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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/hashicorp/terraform/terraform"
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riviera "github.com/jen20/riviera/azure"
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)
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// Provider returns a terraform.ResourceProvider.
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func Provider() terraform.ResourceProvider {
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return &schema.Provider{
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Schema: map[string]*schema.Schema{
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"subscription_id": {
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Type: schema.TypeString,
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Required: true,
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DefaultFunc: schema.EnvDefaultFunc("ARM_SUBSCRIPTION_ID", ""),
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},
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"client_id": {
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Type: schema.TypeString,
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Required: true,
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DefaultFunc: schema.EnvDefaultFunc("ARM_CLIENT_ID", ""),
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},
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"client_secret": {
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Type: schema.TypeString,
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Required: true,
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DefaultFunc: schema.EnvDefaultFunc("ARM_CLIENT_SECRET", ""),
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},
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"tenant_id": {
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Type: schema.TypeString,
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Required: true,
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DefaultFunc: schema.EnvDefaultFunc("ARM_TENANT_ID", ""),
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},
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},
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ResourcesMap: map[string]*schema.Resource{
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// These resources use the Azure ARM SDK
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"azurerm_availability_set": resourceArmAvailabilitySet(),
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"azurerm_cdn_endpoint": resourceArmCdnEndpoint(),
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"azurerm_cdn_profile": resourceArmCdnProfile(),
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"azurerm_local_network_gateway": resourceArmLocalNetworkGateway(),
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"azurerm_network_interface": resourceArmNetworkInterface(),
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"azurerm_network_security_group": resourceArmNetworkSecurityGroup(),
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"azurerm_network_security_rule": resourceArmNetworkSecurityRule(),
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"azurerm_public_ip": resourceArmPublicIp(),
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"azurerm_route": resourceArmRoute(),
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"azurerm_route_table": resourceArmRouteTable(),
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"azurerm_servicebus_namespace": resourceArmServiceBusNamespace(),
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"azurerm_servicebus_subscription": resourceArmServiceBusSubscription(),
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"azurerm_servicebus_topic": resourceArmServiceBusTopic(),
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"azurerm_storage_account": resourceArmStorageAccount(),
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"azurerm_storage_blob": resourceArmStorageBlob(),
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"azurerm_storage_container": resourceArmStorageContainer(),
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"azurerm_storage_queue": resourceArmStorageQueue(),
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"azurerm_storage_table": resourceArmStorageTable(),
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"azurerm_subnet": resourceArmSubnet(),
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"azurerm_template_deployment": resourceArmTemplateDeployment(),
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"azurerm_traffic_manager_endpoint": resourceArmTrafficManagerEndpoint(),
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"azurerm_traffic_manager_profile": resourceArmTrafficManagerProfile(),
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"azurerm_virtual_machine": resourceArmVirtualMachine(),
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"azurerm_virtual_machine_scale_set": resourceArmVirtualMachineScaleSet(),
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"azurerm_virtual_network": resourceArmVirtualNetwork(),
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"azurerm_virtual_network_peering": resourceArmVirtualNetworkPeering(),
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// These resources use the Riviera SDK
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"azurerm_dns_a_record": resourceArmDnsARecord(),
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"azurerm_dns_aaaa_record": resourceArmDnsAAAARecord(),
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"azurerm_dns_cname_record": resourceArmDnsCNameRecord(),
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"azurerm_dns_mx_record": resourceArmDnsMxRecord(),
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"azurerm_dns_ns_record": resourceArmDnsNsRecord(),
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"azurerm_dns_srv_record": resourceArmDnsSrvRecord(),
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"azurerm_dns_txt_record": resourceArmDnsTxtRecord(),
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"azurerm_dns_zone": resourceArmDnsZone(),
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"azurerm_resource_group": resourceArmResourceGroup(),
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"azurerm_search_service": resourceArmSearchService(),
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"azurerm_sql_database": resourceArmSqlDatabase(),
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"azurerm_sql_firewall_rule": resourceArmSqlFirewallRule(),
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"azurerm_sql_server": resourceArmSqlServer(),
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},
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ConfigureFunc: providerConfigure,
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}
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}
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// Config is the configuration structure used to instantiate a
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// new Azure management client.
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type Config struct {
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ManagementURL string
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SubscriptionID string
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ClientID string
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ClientSecret string
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TenantID string
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validateCredentialsOnce sync.Once
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}
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func (c *Config) validate() error {
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var err *multierror.Error
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if c.SubscriptionID == "" {
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err = multierror.Append(err, fmt.Errorf("Subscription ID must be configured for the AzureRM provider"))
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}
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if c.ClientID == "" {
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err = multierror.Append(err, fmt.Errorf("Client ID must be configured for the AzureRM provider"))
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}
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if c.ClientSecret == "" {
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err = multierror.Append(err, fmt.Errorf("Client Secret must be configured for the AzureRM provider"))
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}
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if c.TenantID == "" {
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err = multierror.Append(err, fmt.Errorf("Tenant ID must be configured for the AzureRM provider"))
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}
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return err.ErrorOrNil()
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}
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func providerConfigure(d *schema.ResourceData) (interface{}, error) {
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config := &Config{
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SubscriptionID: d.Get("subscription_id").(string),
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ClientID: d.Get("client_id").(string),
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ClientSecret: d.Get("client_secret").(string),
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TenantID: d.Get("tenant_id").(string),
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}
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if err := config.validate(); err != nil {
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return nil, err
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}
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client, err := config.getArmClient()
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if err != nil {
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return nil, err
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}
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err = registerAzureResourceProvidersWithSubscription(client.rivieraClient)
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if err != nil {
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return nil, err
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}
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return client, nil
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}
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func registerProviderWithSubscription(providerName string, client *riviera.Client) error {
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request := client.NewRequest()
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request.Command = riviera.RegisterResourceProvider{
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Namespace: providerName,
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}
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response, err := request.Execute()
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if err != nil {
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return fmt.Errorf("Cannot request provider registration for Azure Resource Manager: %s.", err)
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}
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if !response.IsSuccessful() {
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return fmt.Errorf("Credentials for accessing the Azure Resource Manager API are likely " +
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"to be incorrect, or\n the service principal does not have permission to use " +
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"the Azure Service Management\n API.")
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}
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return nil
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}
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var providerRegistrationOnce sync.Once
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// registerAzureResourceProvidersWithSubscription uses the providers client to register
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// all Azure resource providers which the Terraform provider may require (regardless of
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// whether they are actually used by the configuration or not). It was confirmed by Microsoft
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// that this is the approach their own internal tools also take.
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func registerAzureResourceProvidersWithSubscription(client *riviera.Client) error {
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var err error
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providerRegistrationOnce.Do(func() {
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// We register Microsoft.Compute during client initialization
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providers := []string{"Microsoft.Network", "Microsoft.Cdn", "Microsoft.Storage", "Microsoft.Sql", "Microsoft.Search", "Microsoft.Resources", "Microsoft.ServiceBus"}
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var wg sync.WaitGroup
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wg.Add(len(providers))
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for _, providerName := range providers {
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go func(p string) {
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defer wg.Done()
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if innerErr := registerProviderWithSubscription(p, client); err != nil {
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err = innerErr
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}
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}(providerName)
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}
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wg.Wait()
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})
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return err
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}
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// azureRMNormalizeLocation is a function which normalises human-readable region/location
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// names (e.g. "West US") to the values used and returned by the Azure API (e.g. "westus").
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// In state we track the API internal version as it is easier to go from the human form
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// to the canonical form than the other way around.
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func azureRMNormalizeLocation(location interface{}) string {
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input := location.(string)
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return strings.Replace(strings.ToLower(input), " ", "", -1)
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}
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// armMutexKV is the instance of MutexKV for ARM resources
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var armMutexKV = mutexkv.NewMutexKV()
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func azureStateRefreshFunc(resourceURI string, client *ArmClient, command riviera.APICall) resource.StateRefreshFunc {
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return func() (interface{}, string, error) {
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req := client.rivieraClient.NewRequestForURI(resourceURI)
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req.Command = command
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res, err := req.Execute()
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if err != nil {
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return nil, "", fmt.Errorf("Error executing %T command in azureStateRefreshFunc", req.Command)
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}
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var value reflect.Value
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if reflect.ValueOf(res.Parsed).Kind() == reflect.Ptr {
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value = reflect.ValueOf(res.Parsed).Elem()
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} else {
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value = reflect.ValueOf(res.Parsed)
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}
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for i := 0; i < value.NumField(); i++ { // iterates through every struct type field
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tag := value.Type().Field(i).Tag // returns the tag string
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tagValue := tag.Get("mapstructure")
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if tagValue == "provisioningState" {
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return res.Parsed, value.Field(i).Elem().String(), nil
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}
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}
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panic(fmt.Errorf("azureStateRefreshFunc called on structure %T with no mapstructure:provisioningState tag. This is a bug", res.Parsed))
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}
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}
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