package azurerm import ( "fmt" "log" "net/http" "strings" "github.com/Azure/azure-sdk-for-go/Godeps/_workspace/src/github.com/Azure/go-autorest/autorest" "github.com/hashicorp/go-multierror" "github.com/hashicorp/terraform/helper/mutexkv" "github.com/hashicorp/terraform/helper/schema" "github.com/hashicorp/terraform/terraform" ) // Provider returns a terraform.ResourceProvider. func Provider() terraform.ResourceProvider { return &schema.Provider{ Schema: map[string]*schema.Schema{ "subscription_id": &schema.Schema{ Type: schema.TypeString, Required: true, DefaultFunc: schema.EnvDefaultFunc("ARM_SUBSCRIPTION_ID", ""), }, "client_id": &schema.Schema{ Type: schema.TypeString, Required: true, DefaultFunc: schema.EnvDefaultFunc("ARM_CLIENT_ID", ""), }, "client_secret": &schema.Schema{ Type: schema.TypeString, Required: true, DefaultFunc: schema.EnvDefaultFunc("ARM_CLIENT_SECRET", ""), }, "tenant_id": &schema.Schema{ Type: schema.TypeString, Required: true, DefaultFunc: schema.EnvDefaultFunc("ARM_TENANT_ID", ""), }, }, ResourcesMap: map[string]*schema.Resource{ "azurerm_resource_group": resourceArmResourceGroup(), "azurerm_virtual_network": resourceArmVirtualNetwork(), "azurerm_local_network_gateway": resourceArmLocalNetworkGateway(), "azurerm_availability_set": resourceArmAvailabilitySet(), "azurerm_network_security_group": resourceArmNetworkSecurityGroup(), "azurerm_network_security_rule": resourceArmNetworkSecurityRule(), "azurerm_public_ip": resourceArmPublicIp(), "azurerm_subnet": resourceArmSubnet(), "azurerm_network_interface": resourceArmNetworkInterface(), "azurerm_route_table": resourceArmRouteTable(), "azurerm_route": resourceArmRoute(), "azurerm_cdn_profile": resourceArmCdnProfile(), "azurerm_cdn_endpoint": resourceArmCdnEndpoint(), "azurerm_storage_account": resourceArmStorageAccount(), "azurerm_storage_container": resourceArmStorageContainer(), "azurerm_storage_blob": resourceArmStorageBlob(), "azurerm_storage_queue": resourceArmStorageQueue(), }, ConfigureFunc: providerConfigure, } } // Config is the configuration structure used to instantiate a // new Azure management client. type Config struct { ManagementURL string SubscriptionID string ClientID string ClientSecret string TenantID string } func (c Config) validate() error { var err *multierror.Error if c.SubscriptionID == "" { err = multierror.Append(err, fmt.Errorf("Subscription ID must be configured for the AzureRM provider")) } if c.ClientID == "" { err = multierror.Append(err, fmt.Errorf("Client ID must be configured for the AzureRM provider")) } if c.ClientSecret == "" { err = multierror.Append(err, fmt.Errorf("Client Secret must be configured for the AzureRM provider")) } if c.TenantID == "" { err = multierror.Append(err, fmt.Errorf("Tenant ID must be configured for the AzureRM provider")) } return err.ErrorOrNil() } func providerConfigure(d *schema.ResourceData) (interface{}, error) { config := Config{ SubscriptionID: d.Get("subscription_id").(string), ClientID: d.Get("client_id").(string), ClientSecret: d.Get("client_secret").(string), TenantID: d.Get("tenant_id").(string), } if err := config.validate(); err != nil { return nil, err } client, err := config.getArmClient() if err != nil { return nil, err } err = registerAzureResourceProvidersWithSubscription(&config, client) if err != nil { return nil, err } return client, nil } // registerAzureResourceProvidersWithSubscription uses the providers client to register // all Azure resource providers which the Terraform provider may require (regardless of // whether they are actually used by the configuration or not). It was confirmed by Microsoft // that this is the approach their own internal tools also take. func registerAzureResourceProvidersWithSubscription(config *Config, client *ArmClient) error { providerClient := client.providers providers := []string{"Microsoft.Network", "Microsoft.Compute", "Microsoft.Cdn", "Microsoft.Storage"} for _, v := range providers { res, err := providerClient.Register(v) if err != nil { return err } if res.StatusCode != http.StatusOK { return fmt.Errorf("Error registering provider %q with subscription %q", v, config.SubscriptionID) } } return nil } // azureRMNormalizeLocation is a function which normalises human-readable region/location // names (e.g. "West US") to the values used and returned by the Azure API (e.g. "westus"). // In state we track the API internal version as it is easier to go from the human form // to the canonical form than the other way around. func azureRMNormalizeLocation(location interface{}) string { input := location.(string) return strings.Replace(strings.ToLower(input), " ", "", -1) } // pollIndefinitelyAsNeeded is a terrible hack which is necessary because the Azure // Storage API (and perhaps others) can have response times way beyond the default // retry timeouts, with no apparent upper bound. This effectively causes the client // to continue polling when it reaches the configured timeout. My investigations // suggest that this is neccesary when deleting and recreating a storage account with // the same name in a short (though undetermined) time period. // // It is possible that this will give Terraform the appearance of being slow in // future: I have attempted to mitigate this by logging whenever this happens. We // may want to revisit this with configurable timeouts in the future as clearly // unbounded wait loops is not ideal. It does seem preferable to the current situation // where our polling loop will time out _with an operation in progress_, but no ID // for the resource - so the state will not know about it, and conflicts will occur // on the next run. func pollIndefinitelyAsNeeded(client autorest.Client, response *http.Response, acceptableCodes ...int) (*http.Response, error) { var resp *http.Response var err error for { resp, err = client.PollAsNeeded(response, acceptableCodes...) if err != nil { if resp.StatusCode != http.StatusAccepted { log.Printf("[DEBUG] Starting new polling loop for %q", response.Request.URL.Path) continue } return resp, err } return resp, nil } } // armMutexKV is the instance of MutexKV for ARM resources var armMutexKV = mutexkv.NewMutexKV()