Use --openstack-insecure to disable TLS checking.

At your own risk!

Signed-off-by: Ash Wilson <ash.wilson@rackspace.com>

drivers/openstack/client.go

@@ -1,6 +1,9 @@
 package openstack
 
 import (
+	"crypto/tls"
+	"net/http"
+
 	log "github.com/Sirupsen/logrus"
 	"github.com/rackspace/gophercloud"
 	"github.com/rackspace/gophercloud/openstack"
@@ -393,6 +396,7 @@ func (c *GenericClient) Authenticate(d *Driver) error {
 
 	log.WithFields(log.Fields{
 		"AuthUrl":    d.AuthUrl,
+		"Insecure":   d.Insecure,
 		"Username":   d.Username,
 		"TenantName": d.TenantName,
 		"TenantID":   d.TenantId,
@@ -411,6 +415,14 @@ func (c *GenericClient) Authenticate(d *Driver) error {
 	if err != nil {
 		return err
 	}
+
+	if d.Insecure {
+		// Configure custom TLS settings.
+		config := &tls.Config{InsecureSkipVerify: true}
+		transport := &http.Transport{TLSClientConfig: config}
+		provider.HTTPClient.Transport = transport
+	}
+
 	c.Provider = provider
 
 	return nil

drivers/openstack/openstack.go

@@ -22,6 +22,7 @@ const (
 
 type Driver struct {
 	AuthUrl          string
+	Insecure         bool
 	Username         string
 	Password         string
 	TenantName       string
@@ -54,6 +55,7 @@ type Driver struct {
 
 type CreateFlags struct {
 	AuthUrl        *string
+	Insecure       *bool
 	Username       *string
 	Password       *string
 	TenantName     *string
@@ -87,6 +89,10 @@ func GetCreateFlags() []cli.Flag {
 			Usage:  "OpenStack authentication URL",
 			Value:  "",
 		},
+		cli.BoolFlag{
+			Name:  "openstack-insecure",
+			Usage: "Disable TLS credential checking.",
+		},
 		cli.StringFlag{
 			EnvVar: "OS_USERNAME",
 			Name:   "openstack-username",
@@ -203,6 +209,7 @@ func (d *Driver) DriverName() string {
 
 func (d *Driver) SetConfigFromFlags(flags drivers.DriverOptions) error {
 	d.AuthUrl = flags.String("openstack-auth-url")
+	d.Insecure = flags.Bool("openstack-insecure")
 	d.Username = flags.String("openstack-username")
 	d.Password = flags.String("openstack-password")
 	d.TenantName = flags.String("openstack-tenant-name")