add support for --layout option to mdadm resource provider

4 files changed, 24 insertions, 0 deletions

diff --git a/lib/chef/provider/mdadm.rb b/lib/chef/provider/mdadm.rb
index d047b6913e..f8225ff63a 100644
--- a/lib/chef/provider/mdadm.rb
+++ b/lib/chef/provider/mdadm.rb
@@ -51,6 +51,7 @@ class Chef
             command << " --chunk=#{@new_resource.chunk}" unless @new_resource.level == 1
             command << " --metadata=#{@new_resource.metadata}"
             command << " --bitmap=#{@new_resource.bitmap}" if @new_resource.bitmap
+            command << " --layout=#{@new_resource.layout}" if @new_resource.layout
             command << " --raid-devices #{@new_resource.devices.length} #{@new_resource.devices.join(" ")}"
             Chef::Log.debug("#{@new_resource} mdadm command: #{command}")
             shell_out!(command)
diff --git a/lib/chef/resource/mdadm.rb b/lib/chef/resource/mdadm.rb
index 061a0ef73e..df6e705f15 100644
--- a/lib/chef/resource/mdadm.rb
+++ b/lib/chef/resource/mdadm.rb
@@ -40,6 +40,7 @@ class Chef
         @metadata = "0.90"
         @bitmap = nil
         @raid_device = name
+        @layout = nil
       end
 
       def chunk(arg = nil)
@@ -98,6 +99,14 @@ class Chef
         )
       end
 
+      def layout(arg = nil)
+        set_or_return(
+          :layout,
+          arg,
+          :kind_of => [ String ]
+        )
+      end
+
     end
   end
 end
diff --git a/spec/unit/provider/mdadm_spec.rb b/spec/unit/provider/mdadm_spec.rb
index 421dd0c2dd..8ef884e131 100644
--- a/spec/unit/provider/mdadm_spec.rb
+++ b/spec/unit/provider/mdadm_spec.rb
@@ -76,6 +76,15 @@ describe Chef::Provider::Mdadm do
         expect(@new_resource).to be_updated_by_last_action
       end
 
+      it "should specify a layout only if set" do
+        @current_resource.exists(false)
+        @new_resource.layout("rs")
+        expected_command = "yes | mdadm --create /dev/md1 --level 5 --chunk=16 --metadata=0.90 --layout=rs --raid-devices 3 /dev/sdz1 /dev/sdz2 /dev/sdz3"
+        expect(@provider).to receive(:shell_out!).with(expected_command)
+        @provider.run_action(:create)
+        expect(@new_resource).to be_updated_by_last_action
+      end
+
       it "should not specify a chunksize if raid level 1" do
         @current_resource.exists(false)
         @new_resource.level 1
diff --git a/spec/unit/resource/mdadm_spec.rb b/spec/unit/resource/mdadm_spec.rb
index 8eceed733e..6b75c4f972 100644
--- a/spec/unit/resource/mdadm_spec.rb
+++ b/spec/unit/resource/mdadm_spec.rb
@@ -69,6 +69,11 @@ describe Chef::Resource::Mdadm do
     expect(@resource.metadata).to eql("internal")
   end
 
+  it "should allow you to set the layout attribute" do
+    @resource.layout "f2"
+    expect(@resource.layout).to eql("f2")
+  end
+
   it "should allow you to set the devices attribute" do
     @resource.devices ["/dev/sda", "/dev/sdb"]
     expect(@resource.devices).to eql(["/dev/sda", "/dev/sdb"])