WIP: Add Azure provider (peer-review PR)

builtin/bins/provider-azure/main.go

@@ -0,0 +1,12 @@
+package main
+
+import (
+	"github.com/hashicorp/terraform/builtin/providers/azure"
+	"github.com/hashicorp/terraform/plugin"
+)
+
+func main() {
+	plugin.Serve(&plugin.ServeOpts{
+		ProviderFunc: azure.Provider,
+	})
+}

builtin/bins/provider-azure/main_test.go

@@ -0,0 +1 @@
+package main

builtin/providers/azure/config.go

@@ -0,0 +1,58 @@
+package azure
+
+import (
+	"fmt"
+	"os"
+	"sync"
+
+	"github.com/svanharmelen/azure-sdk-for-go/management"
+)
+
+// Config is the configuration structure used to instantiate a
+// new Azure management client.
+type Config struct {
+	SettingsFile   string
+	SubscriptionID string
+	Certificate    []byte
+	ManagementURL  string
+}
+
+// Client contains all the handles required for managing Azure services.
+type Client struct {
+	// unfortunately; because of how Azure's network API works; doing networking operations
+	// concurrently is very hazardous, and we need a mutex to guard the management.Client.
+	mutex      *sync.Mutex
+	mgmtClient management.Client
+}
+
+// NewClientFromSettingsFile returns a new Azure management
+// client created using a publish settings file.
+func (c *Config) NewClientFromSettingsFile() (*Client, error) {
+	if _, err := os.Stat(c.SettingsFile); os.IsNotExist(err) {
+		return nil, fmt.Errorf("Publish Settings file %q does not exist!", c.SettingsFile)
+	}
+
+	mc, err := management.ClientFromPublishSettingsFile(c.SettingsFile, c.SubscriptionID)
+	if err != nil {
+		return nil, nil
+	}
+
+	return &Client{
+		mutex:      &sync.Mutex{},
+		mgmtClient: mc,
+	}, nil
+}
+
+// NewClient returns a new Azure management client created
+// using a subscription ID and certificate.
+func (c *Config) NewClient() (*Client, error) {
+	mc, err := management.NewClient(c.SubscriptionID, c.Certificate)
+	if err != nil {
+		return nil, nil
+	}
+
+	return &Client{
+		mutex:      &sync.Mutex{},
+		mgmtClient: mc,
+	}, nil
+}

builtin/providers/azure/provider.go

@@ -0,0 +1,68 @@
+package azure
+
+import (
+	"fmt"
+
+	"github.com/hashicorp/terraform/helper/schema"
+	"github.com/hashicorp/terraform/terraform"
+	"github.com/mitchellh/go-homedir"
+)
+
+// Provider returns a terraform.ResourceProvider.
+func Provider() terraform.ResourceProvider {
+	return &schema.Provider{
+		Schema: map[string]*schema.Schema{
+			"settings_file": &schema.Schema{
+				Type:        schema.TypeString,
+				Optional:    true,
+				DefaultFunc: schema.EnvDefaultFunc("AZURE_SETTINGS_FILE", nil),
+			},
+
+			"subscription_id": &schema.Schema{
+				Type:        schema.TypeString,
+				Optional:    true,
+				DefaultFunc: schema.EnvDefaultFunc("AZURE_SUBSCRIPTION_ID", ""),
+			},
+
+			"certificate": &schema.Schema{
+				Type:        schema.TypeString,
+				Optional:    true,
+				DefaultFunc: schema.EnvDefaultFunc("AZURE_CERTIFICATE", ""),
+			},
+		},
+
+		ResourcesMap: map[string]*schema.Resource{
+			"azure_data_disk":       resourceAzureDataDisk(),
+			"azure_instance":        resourceAzureInstance(),
+			"azure_security_group":  resourceAzureSecurityGroup(),
+			"azure_virtual_network": resourceAzureVirtualNetwork(),
+		},
+
+		ConfigureFunc: providerConfigure,
+	}
+}
+
+func providerConfigure(d *schema.ResourceData) (interface{}, error) {
+	settingsFile, err := homedir.Expand(d.Get("settings_file").(string))
+	if err != nil {
+		return nil, err
+	}
+
+	config := Config{
+		SettingsFile:   settingsFile,
+		SubscriptionID: d.Get("subscription_id").(string),
+		Certificate:    []byte(d.Get("certificate").(string)),
+	}
+
+	if config.SettingsFile != "" {
+		return config.NewClientFromSettingsFile()
+	}
+
+	if config.SubscriptionID != "" && len(config.Certificate) > 0 {
+		return config.NewClient()
+	}
+
+	return nil, fmt.Errorf(
+		"Insufficient configuration data. Please specify either a 'settings_file'\n" +
+			"or both a 'subscription_id' and 'certificate'.")
+}

builtin/providers/azure/provider_test.go

@@ -0,0 +1,45 @@
+package azure
+
+import (
+	"os"
+	"testing"
+
+	"github.com/hashicorp/terraform/helper/schema"
+	"github.com/hashicorp/terraform/terraform"
+)
+
+var testAccProviders map[string]terraform.ResourceProvider
+var testAccProvider *schema.Provider
+
+func init() {
+	testAccProvider = Provider().(*schema.Provider)
+	testAccProviders = map[string]terraform.ResourceProvider{
+		"azure": testAccProvider,
+	}
+}
+
+func TestProvider(t *testing.T) {
+	if err := Provider().(*schema.Provider).InternalValidate(); err != nil {
+		t.Fatalf("err: %s", err)
+	}
+}
+
+func TestProvider_impl(t *testing.T) {
+	var _ terraform.ResourceProvider = Provider()
+}
+
+func testAccPreCheck(t *testing.T) {
+	if v := os.Getenv("AZURE_SETTINGS_FILE"); v == "" {
+		subscriptionID := os.Getenv("AZURE_SUBSCRIPTION_ID")
+		certificate := os.Getenv("AZURE_CERTIFICATE")
+
+		if subscriptionID == "" || certificate == "" {
+			t.Fatal("either AZURE_SETTINGS_FILE, or AZURE_SUBSCRIPTION_ID " +
+				"and AZURE_CERTIFICATE must be set for acceptance tests")
+		}
+	}
+
+	if v := os.Getenv("AZURE_STORAGE"); v == "" {
+		t.Fatal("AZURE_STORAGE must be set for acceptance tests")
+	}
+}