diff --git a/lib/puppet/provider/nova_aggregate/openstack.rb b/lib/puppet/provider/nova_aggregate/openstack.rb
index baa744e1b..a52d8443d 100644
--- a/lib/puppet/provider/nova_aggregate/openstack.rb
+++ b/lib/puppet/provider/nova_aggregate/openstack.rb
@@ -56,6 +56,7 @@ Puppet::Type.type(:nova_aggregate).provide(
       self.class.request('aggregate', 'remove host', properties)
     end
     self.class.request('aggregate', 'delete', @property_hash[:name])
+    @property_hash.clear
   end
 
   def create
@@ -79,6 +80,7 @@ Puppet::Type.type(:nova_aggregate).provide(
         self.class.request('aggregate', 'add host', properties)
       end
     end
+    @property_hash[:ensure] = :present
   end
 
   def availability_zone=(value)
diff --git a/lib/puppet/provider/nova_cell_v2/nova_manage.rb b/lib/puppet/provider/nova_cell_v2/nova_manage.rb
index 56168036d..126931729 100644
--- a/lib/puppet/provider/nova_cell_v2/nova_manage.rb
+++ b/lib/puppet/provider/nova_cell_v2/nova_manage.rb
@@ -30,11 +30,11 @@ Puppet::Type.type(:nova_cell_v2).provide(
         $database_connection = 'default'
       end
       new(
-        :name => $name,
-        :uuid => $uuid,
-        :transport_url => $transport_url,
+        :name                => $name,
+        :uuid                => $uuid,
+        :transport_url       => $transport_url,
         :database_connection => $database_connection,
-        :ensure => :present
+        :ensure              => :present
       )
     end
   end
@@ -59,12 +59,12 @@ Puppet::Type.type(:nova_cell_v2).provide(
       database_uri = URI.parse(conf['database']['connection'].strip)
       database_uri.path += '_cell0'
       {
-        :transport_url => 'none:///',
+        :transport_url       => 'none:///',
         :database_connection => database_uri.to_s
       }
     else
       {
-        :transport_url => conf['DEFAULT']['transport_url'].strip,
+        :transport_url       => conf['DEFAULT']['transport_url'].strip,
         :database_connection => conf['database']['connection'].strip,
       }
     end
@@ -95,9 +95,9 @@ Puppet::Type.type(:nova_cell_v2).provide(
       optional_opts, "--verbose"
     )
     @property_hash = {
-      :uuid => cell_uuid.strip(),
-      :ensure => :present,
-      :transport_url => resource[:transport_url],
+      :uuid                => cell_uuid.strip(),
+      :ensure              => :present,
+      :transport_url       => resource[:transport_url],
       :database_connection => resource[:database_connection]
     }
   end
@@ -111,7 +111,7 @@ Puppet::Type.type(:nova_cell_v2).provide(
   end
 
   def destroy
-    @property_flush[:ensure] = :absent
+    @property_hash.clear
   end
 
   def flush
diff --git a/lib/puppet/provider/nova_flavor/openstack.rb b/lib/puppet/provider/nova_flavor/openstack.rb
index ebd630243..57b5adcf1 100644
--- a/lib/puppet/provider/nova_flavor/openstack.rb
+++ b/lib/puppet/provider/nova_flavor/openstack.rb
@@ -27,12 +27,12 @@ Puppet::Type.type(:nova_flavor).provide(
     (opts << '--swap' << @resource[:swap]) if @resource[:swap]
     (opts << '--rxtx-factor' << @resource[:rxtx_factor]) if @resource[:rxtx_factor]
     @property_hash = self.class.request('flavor', 'create', opts)
-    if @resource[:properties]
+    if @resource[:properties] and !(@resources[:properties].empty?)
       prop_opts = [@resource[:name]]
       prop_opts << props_to_s(@resource[:properties])
       self.class.request('flavor', 'set', prop_opts)
     end
-    if @resource[:project]
+    if @resource[:project] and @resource[:project] != ''
       proj_opts = [@resource[:name]]
       proj_opts << '--project' << @resource[:project]
       self.class.request('flavor', 'set', proj_opts)
@@ -46,6 +46,7 @@ Puppet::Type.type(:nova_flavor).provide(
 
   def destroy
     self.class.request('flavor', 'delete', @property_hash[:id])
+    @property_hash.clear
   end
 
   mk_resource_methods
@@ -138,7 +139,7 @@ Puppet::Type.type(:nova_flavor).provide(
     end
     unless @project_flush.empty?
       opts = [@resource[:name]]
-      unless @project_flush[:project]
+      unless @project_flush[:project] == ''
         opts << '--project' << @project_flush[:project]
         self.class.request('flavor', 'set', opts)
       else
diff --git a/lib/puppet/provider/nova_service/openstack.rb b/lib/puppet/provider/nova_service/openstack.rb
index b0eee89eb..ef46a16d8 100644
--- a/lib/puppet/provider/nova_service/openstack.rb
+++ b/lib/puppet/provider/nova_service/openstack.rb
@@ -26,9 +26,9 @@ Puppet::Type.type(:nova_service).provide(
     end
     hosts.collect do |hname, host|
       new(
-        :ensure => :present,
-        :name => hname,
-        :ids => host[:ids],
+        :ensure       => :present,
+        :name         => hname,
+        :ids          => host[:ids],
         :service_name => host[:service_name]
       )
     end
@@ -56,7 +56,7 @@ Puppet::Type.type(:nova_service).provide(
         self.class.request('compute service', 'delete', id)
       end
     end
-    @property_hash[:ensure] = :absent
+    @property_hash.clear
   end
 
   def create
diff --git a/spec/unit/provider/nova_aggregate/openstack_spec.rb b/spec/unit/provider/nova_aggregate/openstack_spec.rb
index fc02197c7..0d379780e 100644
--- a/spec/unit/provider/nova_aggregate/openstack_spec.rb
+++ b/spec/unit/provider/nova_aggregate/openstack_spec.rb
@@ -78,9 +78,8 @@ availability_zone="simple"
 properties="{u\'nice\': u\'cookie\'}"
 hosts="[u\'example\']"
 ')
-          provider.exists?
           provider.create
-          expect(provider.exists?).to be_falsey
+          expect(provider.exists?).to be_truthy
         end
       end
 
diff --git a/spec/unit/provider/nova_flavor/openstack_spec.rb b/spec/unit/provider/nova_flavor/openstack_spec.rb
index 5bd995740..0daa0bee5 100644
--- a/spec/unit/provider/nova_flavor/openstack_spec.rb
+++ b/spec/unit/provider/nova_flavor/openstack_spec.rb
@@ -32,7 +32,7 @@ describe provider_class do
                       .with('flavor', 'list', ['--long', '--all'])
                       .returns('"ID", "Name", "RAM", "Disk", "Ephemeral", "VCPUs", "Is Public", "Swap", "RXTX Factor", "Properties"')
         provider.class.stubs(:openstack)
-            .with('flavor', 'create', 'shell', ['example', '--public', '--id', '1', '--ram', '512', '--disk', '1', '--vcpus', '1'])
+            .with('flavor', 'create', '--format', 'shell', ['example', '--public', '--id', '1', '--ram', '512', '--disk', '1', '--vcpus', '1'])
                 .returns('os-flv-disabled:disabled="False"
 os-flv-ext-data:ephemeral="0"
 disk="1"
@@ -43,6 +43,8 @@ ram="512"
 rxtx_factor="1.0"
 swap=""
 vcpus="1"')
+        provider.create
+        expect(provider.exists?).to be_truthy
       end
     end