Basic Rackspace cloud support

This enables all but Load Balancer support for the Rackspace public
cloud platform.

pkg/cloudprovider/rackspace/rackspace_test.go

@@ -0,0 +1,181 @@
+/*
+Copyright 2014 Google Inc. All rights reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package rackspace
+
+import (
+	"os"
+	"strings"
+	"testing"
+	"time"
+
+	"github.com/rackspace/gophercloud"
+)
+
+func TestReadConfig(t *testing.T) {
+	_, err := readConfig(nil)
+	if err == nil {
+		t.Errorf("Should fail when no config is provided: %s", err)
+	}
+
+	cfg, err := readConfig(strings.NewReader(`
+[Global]
+auth-url = http://auth.url
+username = user
+[LoadBalancer]
+create-monitor = yes
+monitor-delay = 1m
+monitor-timeout = 30s
+monitor-max-retries = 3
+`))
+	if err != nil {
+		t.Fatalf("Should succeed when a valid config is provided: %s", err)
+	}
+	if cfg.Global.AuthUrl != "http://auth.url" {
+		t.Errorf("incorrect authurl: %s", cfg.Global.AuthUrl)
+	}
+
+	if !cfg.LoadBalancer.CreateMonitor {
+		t.Errorf("incorrect lb.createmonitor: %t", cfg.LoadBalancer.CreateMonitor)
+	}
+	if cfg.LoadBalancer.MonitorDelay.Duration != 1*time.Minute {
+		t.Errorf("incorrect lb.monitordelay: %s", cfg.LoadBalancer.MonitorDelay)
+	}
+	if cfg.LoadBalancer.MonitorTimeout.Duration != 30*time.Second {
+		t.Errorf("incorrect lb.monitortimeout: %s", cfg.LoadBalancer.MonitorTimeout)
+	}
+	if cfg.LoadBalancer.MonitorMaxRetries != 3 {
+		t.Errorf("incorrect lb.monitormaxretries: %d", cfg.LoadBalancer.MonitorMaxRetries)
+	}
+}
+
+func TestToAuthOptions(t *testing.T) {
+	cfg := Config{}
+	cfg.Global.Username = "user"
+	// etc.
+
+	ao := cfg.toAuthOptions()
+
+	if !ao.AllowReauth {
+		t.Errorf("Will need to be able to reauthenticate")
+	}
+	if ao.Username != cfg.Global.Username {
+		t.Errorf("Username %s != %s", ao.Username, cfg.Global.Username)
+	}
+}
+
+// This allows acceptance testing against an existing Rackspace
+// install, using the standard OS_* Rackspace client environment
+// variables.
+// FIXME: it would be better to hermetically test against canned JSON
+// requests/responses.
+func configFromEnv() (cfg Config, ok bool) {
+	cfg.Global.AuthUrl = os.Getenv("OS_AUTH_URL")
+
+	cfg.Global.TenantId = os.Getenv("OS_TENANT_ID")
+	// Rax/nova _insists_ that we don't specify both tenant ID and name
+	if cfg.Global.TenantId == "" {
+		cfg.Global.TenantName = os.Getenv("OS_TENANT_NAME")
+	}
+
+	cfg.Global.Username = os.Getenv("OS_USERNAME")
+	cfg.Global.Password = os.Getenv("OS_PASSWORD")
+	cfg.Global.ApiKey = os.Getenv("OS_API_KEY")
+	cfg.Global.Region = os.Getenv("OS_REGION_NAME")
+	cfg.Global.DomainId = os.Getenv("OS_DOMAIN_ID")
+	cfg.Global.DomainName = os.Getenv("OS_DOMAIN_NAME")
+
+	ok = (cfg.Global.AuthUrl != "" &&
+		cfg.Global.Username != "" &&
+		(cfg.Global.Password != "" || cfg.Global.ApiKey != "") &&
+		(cfg.Global.TenantId != "" || cfg.Global.TenantName != "" ||
+			cfg.Global.DomainId != "" || cfg.Global.DomainName != ""))
+
+	return
+}
+
+func TestNewRackspace(t *testing.T) {
+	cfg, ok := configFromEnv()
+	if !ok {
+		t.Skipf("No config found in environment")
+	}
+
+	_, err := newRackspace(cfg)
+	if err != nil {
+		t.Fatalf("Failed to construct/authenticate Rackspace: %s", err)
+	}
+}
+
+func TestInstances(t *testing.T) {
+	cfg, ok := configFromEnv()
+	if !ok {
+		t.Skipf("No config found in environment")
+	}
+
+	os, err := newRackspace(cfg)
+	if err != nil {
+		t.Fatalf("Failed to construct/authenticate Rackspace: %s", err)
+	}
+
+	i, ok := os.Instances()
+	if !ok {
+		t.Fatalf("Instances() returned false")
+	}
+
+	srvs, err := i.List(".")
+	if err != nil {
+		t.Fatalf("Instances.List() failed: %s", err)
+	}
+	if len(srvs) == 0 {
+		t.Fatalf("Instances.List() returned zero servers")
+	}
+	t.Logf("Found servers (%d): %s\n", len(srvs), srvs)
+
+	ip, err := i.IPAddress(srvs[0])
+	if err != nil {
+		t.Fatalf("Instances.IPAddress(%s) failed: %s", srvs[0], err)
+	}
+	t.Logf("Found IPAddress(%s) = %s\n", srvs[0], ip)
+
+	rsrcs, err := i.GetNodeResources(srvs[0])
+	if err != nil {
+		t.Fatalf("Instances.GetNodeResources(%s) failed: %s", srvs[0], err)
+	}
+	t.Logf("Found GetNodeResources(%s) = %s\n", srvs[0], rsrcs)
+}
+
+func TestZones(t *testing.T) {
+	os := Rackspace{
+		provider: &gophercloud.ProviderClient{
+			IdentityBase: "http://auth.url/",
+		},
+		region: "myRegion",
+	}
+
+	z, ok := os.Zones()
+	if !ok {
+		t.Fatalf("Zones() returned false")
+	}
+
+	zone, err := z.GetZone()
+	if err != nil {
+		t.Fatalf("GetZone() returned error: %s", err)
+	}
+
+	if zone.Region != "myRegion" {
+		t.Fatalf("GetZone() returned wrong region (%s)", zone.Region)
+	}
+}