trove_datastore: Make version optional

datastore version can't be used until the version is registered but we
can't register the version before we register datastore before applying
catalog. This makes version optional to avoid that dependency look.

Partial-Bug: #2007961
Change-Id: Ieba9c10b49f41980555e2734bb29415fcf0b585f

lib/puppet/provider/trove_datastore/trove.rb

@@ -42,11 +42,13 @@ Puppet::Type.type(:trove_datastore).provide(
       fail("Failed to create datastore #{@resource[:name]}")
     end
 
+    if @resource[:version]
       if trove_manage(['trove-manage', 'datastore_update',
                        "#{@resource[:name]}", "#{@resource[:version]}"]) != 0
         fail("Failed to set version for datastore #{@resource[:name]}")
       end
     end
+  end
 
 end
 

lib/puppet/type/trove_datastore.rb

@@ -19,10 +19,6 @@ Puppet::Type.newtype(:trove_datastore) do
     end
   end
 
-  validate do
-    raise(Puppet::Error, 'Version must be set') unless self[:version]
-  end
-
   autorequire(:anchor) do
     ['trove::service::end']
   end

spec/acceptance/10_basic_trove_spec.rb

@@ -14,8 +14,17 @@ describe 'basic trove' do
       include openstack_integration::memcached
       include openstack_integration::keystone
       include openstack_integration::trove
-      EOS
 
+      trove_datastore { 'mysql':
+      }
+      -> trove_datastore_version { '5.7.29':
+        datastore => 'mysql',
+        manager   => 'mysql',
+        image_id  => 'dummy',
+        packages  => '',
+        active    => 1,
+      }
+      EOS
 
       # Run it twice and test for idempotency
       apply_manifest(pp, :catch_failures => true)

spec/unit/provider/trove_datastore/trove_spec.rb

@@ -17,12 +17,15 @@ describe provider_class do
     'foo'
   end
 
-  let :resource do
+  let :datastore_attrs do
-    Puppet::Type::Trove_datastore.new({
+    {
       :name   => datastore_name,
-      :version      => '0.1',
       :ensure => 'present',
-    })
+    }
+  end
+
+  let :resource do
+    Puppet::Type::Trove_datastore.new(datastore_attrs)
   end
 
   let :provider do
@@ -51,6 +54,22 @@ describe provider_class do
   end
 
   describe '#create' do
+    context 'without version' do
+      it 'creates datastore' do
+        expect(provider).to receive(:trove_manage)
+          .with(['trove-manage', 'datastore_update', datastore_name, "''"])
+          .and_return(0)
+        provider.create
+      end
+    end
+
+    context 'with version' do
+      before do
+        datastore_attrs.merge!(
+          :version => '0.1',
+        )
+      end
+
       it 'creates datastore' do
         expect(provider).to receive(:trove_manage)
           .with(['trove-manage', 'datastore_update', datastore_name, "''"])
@@ -59,9 +78,8 @@ describe provider_class do
         expect(provider).to receive(:trove_manage)
           .with(['trove-manage', 'datastore_update', datastore_name, "0.1"])
           .and_return(0)
-
         provider.create
       end
     end
-
+  end
 end