Add putFakeTools to openstack tests

environs/openstack/export_test.go

 package openstack
 
 import (
+        "fmt"
+        "launchpad.net/goose/swift"
         "launchpad.net/juju-core/environs"
         "launchpad.net/juju-core/trivial"
         "net/http"
 )
 
 func init() {
         http.DefaultTransport.(*http.Transport).RegisterProtocol("file", http.NewFileTransport(http.Dir("testdata")))
 }
 
 var origMetadataHost = metadataHost
@@ skipping 23 matching lines @@
                 shortAttempt = originalShortAttempt
                 longAttempt = originalLongAttempt
         }
 }
 
 var ShortAttempt = &shortAttempt
 
 func DeleteStorageContent(s environs.Storage) error {
         return s.(*storage).deleteAll()
 }
+
+// WritablePublicStorage returns a Storage instance which is authorised to write to the PublicStorage bucket.
+// It is used by tests which need to upload files.
+func WritablePublicStorage(e environs.Environ) environs.Storage {
+        ecfg := e.(*environ).ecfg()
+        authMethodCfg := AuthMethod(ecfg.authMethod())
+        writablePublicStorage := &storage{
+                containerName: ecfg.publicBucket(),
+                swift:         swift.New(e.(*environ).client(ecfg, authMethodCfg)),
+        }
+
+        // Ensure the container exists.
+        err := writablePublicStorage.makeContainer(ecfg.publicBucket(), swift.PublicRead)
+        if err != nil {
+                panic(fmt.Errorf("cannot create writable public container: %v", err))
+        }
+        return writablePublicStorage
+}