provider/librato: Add Librato provider

provider.go

@@ -0,0 +1,41 @@
+package librato
+
+import (
+	"github.com/hashicorp/terraform/helper/schema"
+	"github.com/hashicorp/terraform/terraform"
+	"github.com/henrikhodne/go-librato/librato"
+)
+
+// Provider returns a schema.Provider for Librato.
+func Provider() terraform.ResourceProvider {
+	return &schema.Provider{
+		Schema: map[string]*schema.Schema{
+			"email": &schema.Schema{
+				Type:        schema.TypeString,
+				Required:    true,
+				DefaultFunc: schema.EnvDefaultFunc("LIBRATO_EMAIL", nil),
+				Description: "The email address for the Librato account.",
+			},
+
+			"token": &schema.Schema{
+				Type:        schema.TypeString,
+				Required:    true,
+				DefaultFunc: schema.EnvDefaultFunc("LIBRATO_TOKEN", nil),
+				Description: "The auth token for the Librato account.",
+			},
+		},
+
+		ResourcesMap: map[string]*schema.Resource{
+			"librato_space":       resourceLibratoSpace(),
+			"librato_space_chart": resourceLibratoSpaceChart(),
+		},
+
+		ConfigureFunc: providerConfigure,
+	}
+}
+
+func providerConfigure(d *schema.ResourceData) (interface{}, error) {
+	client := librato.NewClient(d.Get("email").(string), d.Get("token").(string))
+
+	return client, nil
+}

provider_test.go

@@ -0,0 +1,39 @@
+package librato
+
+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{
+		"librato": 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("LIBRATO_EMAIL"); v == "" {
+		t.Fatal("LIBRATO_EMAIL must be set for acceptance tests")
+	}
+
+	if v := os.Getenv("LIBRATO_TOKEN"); v == "" {
+		t.Fatal("LIBRATO_TOKEN must be set for acceptance tests")
+	}
+}

resource_librato_space.go

@@ -0,0 +1,134 @@
+package librato
+
+import (
+	"fmt"
+	"log"
+	"strconv"
+	"time"
+
+	"github.com/hashicorp/terraform/helper/resource"
+	"github.com/hashicorp/terraform/helper/schema"
+	"github.com/henrikhodne/go-librato/librato"
+)
+
+func resourceLibratoSpace() *schema.Resource {
+	return &schema.Resource{
+		Create: resourceLibratoSpaceCreate,
+		Read:   resourceLibratoSpaceRead,
+		Update: resourceLibratoSpaceUpdate,
+		Delete: resourceLibratoSpaceDelete,
+
+		Schema: map[string]*schema.Schema{
+			"name": &schema.Schema{
+				Type:     schema.TypeString,
+				Required: true,
+				ForceNew: false,
+			},
+			"id": &schema.Schema{
+				Type:     schema.TypeInt,
+				Computed: true,
+			},
+		},
+	}
+}
+
+func resourceLibratoSpaceCreate(d *schema.ResourceData, meta interface{}) error {
+	client := meta.(*librato.Client)
+
+	name := d.Get("name").(string)
+
+	space, _, err := client.Spaces.Create(&librato.Space{Name: librato.String(name)})
+	if err != nil {
+		return fmt.Errorf("Error creating Librato space %s: %s", name, err)
+	}
+
+	resource.Retry(1*time.Minute, func() *resource.RetryError {
+		_, _, err := client.Spaces.Get(*space.ID)
+		if err != nil {
+			if errResp, ok := err.(*librato.ErrorResponse); ok && errResp.Response.StatusCode == 404 {
+				return resource.RetryableError(err)
+			}
+			return resource.NonRetryableError(err)
+		}
+		return nil
+	})
+
+	return resourceLibratoSpaceReadResult(d, space)
+}
+
+func resourceLibratoSpaceRead(d *schema.ResourceData, meta interface{}) error {
+	client := meta.(*librato.Client)
+
+	id, err := strconv.ParseUint(d.Id(), 10, 0)
+	if err != nil {
+		return err
+	}
+
+	space, _, err := client.Spaces.Get(uint(id))
+	if err != nil {
+		if errResp, ok := err.(*librato.ErrorResponse); ok && errResp.Response.StatusCode == 404 {
+			d.SetId("")
+			return nil
+		}
+		return fmt.Errorf("Error reading Librato Space %s: %s", d.Id(), err)
+	}
+
+	return resourceLibratoSpaceReadResult(d, space)
+}
+
+func resourceLibratoSpaceReadResult(d *schema.ResourceData, space *librato.Space) error {
+	d.SetId(strconv.FormatUint(uint64(*space.ID), 10))
+	if err := d.Set("id", *space.ID); err != nil {
+		return err
+	}
+	if err := d.Set("name", *space.Name); err != nil {
+		return err
+	}
+	return nil
+}
+
+func resourceLibratoSpaceUpdate(d *schema.ResourceData, meta interface{}) error {
+	client := meta.(*librato.Client)
+	id, err := strconv.ParseUint(d.Id(), 10, 0)
+	if err != nil {
+		return err
+	}
+
+	if d.HasChange("name") {
+		newName := d.Get("name").(string)
+		log.Printf("[INFO] Modifying name space attribute for %d: %#v", id, newName)
+		if _, err = client.Spaces.Edit(uint(id), &librato.Space{Name: &newName}); err != nil {
+			return err
+		}
+	}
+
+	return resourceLibratoSpaceRead(d, meta)
+}
+
+func resourceLibratoSpaceDelete(d *schema.ResourceData, meta interface{}) error {
+	client := meta.(*librato.Client)
+	id, err := strconv.ParseUint(d.Id(), 10, 0)
+	if err != nil {
+		return err
+	}
+
+	log.Printf("[INFO] Deleting Space: %d", id)
+	_, err = client.Spaces.Delete(uint(id))
+	if err != nil {
+		return fmt.Errorf("Error deleting space: %s", err)
+	}
+
+	resource.Retry(1*time.Minute, func() *resource.RetryError {
+		_, _, err := client.Spaces.Get(uint(id))
+		if err != nil {
+			if errResp, ok := err.(*librato.ErrorResponse); ok && errResp.Response.StatusCode == 404 {
+				return nil
+			}
+			return resource.NonRetryableError(err)
+		}
+		return resource.RetryableError(fmt.Errorf("space still exists"))
+	})
+
+	d.SetId("")
+	return nil
+}