Configurable filesystem properties collected for Solaris2.x

lib/ohai/plugins/solaris2/filesystem.rb

@@ -63,7 +63,15 @@
 
     # Grab any zfs data from "zfs get"
     zfs = Mash.new
-    so = shell_out("zfs get -p -H all")
+    # ohai.plugin[:filesystem][:zfs_properties] = 'used'
+    # ohai.plugin[:filesystem][:zfs_properties] = ['mountpoint', 'creation', 'available', 'used']
+    zfs_get = "zfs get -p -H "
+    if configuration(:zfs_properties).nil? || configuration(:zfs_properties).empty?
+      zfs_get << "all"
+    else
+      zfs_get << configuration(:zfs_properties).join(',')
+    end
+    so = shell_out(zfs_get)
     so.stdout.lines do |line|
       next unless (line =~ /^([^\t]+)\t([^\t]+)\t([^\t]+)\t([^\t]+)$/)
       filesystem = $1

spec/unit/plugins/solaris2/filesystem.rb

@@ -0,0 +1,68 @@
+#
+# Copyright:: Copyright (c) 2015 Chef Software, Inc.
+# License:: Apache License, Version 2.0
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+require_relative '../../../spec_helper'
+
+describe Ohai::System, "Solaris2.X filesystem plugin" do
+  let(:plugin) { get_plugin("solaris2/filesystem") }
+
+  before(:each) do
+    allow(plugin).to receive(:collect_os).and_return("solaris2")
+  end
+
+  describe "filesystem properties" do
+    let(:plugin_config) { {} }
+
+    before(:each) do
+      @original_plugin_config = Ohai.config[:plugin]
+      Ohai.config[:plugin] = plugin_config
+      allow(plugin).to receive(:shell_out).with("df -Pka").and_return(mock_shell_out(0, "", ""))
+      allow(plugin).to receive(:shell_out).with("df -na").and_return(mock_shell_out(0, "", ""))
+      allow(plugin).to receive(:shell_out).with("mount").and_return(mock_shell_out(0, "", ""))
+    end
+
+    after(:each) do
+      Ohai.config[:plugin] = @original_plugin_config
+    end
+
+    context "when 'zfs get' properties are not configured" do
+      it "collects all filesystem properties" do
+        expect(plugin).to receive(:shell_out).
+          with("zfs get -p -H all").
+          and_return(mock_shell_out(0, "", ""))
+        plugin.run
+      end
+    end
+
+    context "when 'zfs get' properties are configured" do
+      let(:plugin_config) do
+        {
+          :filesystem => {
+            :zfs_properties => ['mountpoint', 'creation', 'available', 'used']
+          }
+        }
+      end
+
+      it "collects configured filesystem properties" do
+        expect(plugin).to receive(:shell_out).
+          with("zfs get -p -H mountpoint,creation,available,used").
+          and_return(mock_shell_out(0, "", ""))
+        plugin.run
+      end
+    end
+  end
+end