New Start-DscConfiguration cmdlet

src/Microsoft.PowerShell.Commands.Omi/DscConfiguration.cs

@@ -0,0 +1,54 @@
+/********************************************************************++
+Copyright (c) Microsoft Corporation.  All rights reserved.
+--********************************************************************/
+using System;
+using System.Management.Automation;
+
+namespace Microsoft.PowerShell.Commands.Omi
+{
+    #region Start-DscConfiguration
+
+    /// <summary> 
+    /// implementation for the Start-DscConfiguration command 
+    /// </summary> 
+    [Cmdlet( VerbsLifecycle.Start, "DscConfiguration" )]
+    [OutputType(typeof(string))]
+    public sealed class StartDscConfigurationCommand : Cmdlet
+    {
+        #region parameters
+
+        [Parameter(Mandatory = true)]
+        [Alias("CM")]
+        public string ConfigurationMof
+        {
+            get
+            {
+                return mofPath;
+            }
+            set
+            {
+                mofPath = value;
+            }
+        }
+        private string mofPath;
+
+        #endregion
+
+        #region methods
+
+        protected override void ProcessRecord()
+        {
+            OmiInterface oi = new OmiInterface();
+
+            oi.StartDscConfiguration(mofPath);
+
+        } // EndProcessing
+        
+        #endregion
+    }
+
+    #endregion
+    
+} // namespace Microsoft.PowerShell.Commands
+
+

src/Microsoft.PowerShell.Commands.Omi/OmiInterface.cs

@@ -10,6 +10,7 @@ using System.Diagnostics;
 using System.Linq;
 using System.Xml.Linq;
 using System.Runtime.InteropServices;
+using System.Text;
 
 namespace Microsoft.PowerShell.Commands.Omi
 {
@@ -409,5 +410,60 @@ namespace Microsoft.PowerShell.Commands.Omi
             GetXML(nameSpace, className);
             cim = XElement.Parse(_xmlString);
         }
+
+        /// <summary>
+        /// Send DSC configuration to OMI based on a mof file
+        /// </summary>
+        /// <param name="mofPath">The full path to mof file
+        /// </param>
+        /// <exception>
+        /// <cref type="IOException">Thrown if a unable to communicate with OMI
+	/// <cref type="ArgumentNullException>Thrown if any argument is null
+        /// </exception>
+        public void StartDscConfiguration(string mofPath)
+        {
+            if (mofPath == null)
+            {
+                throw new ArgumentNullException();
+            }
+
+            if (!Platform.IsLinux())
+            {
+                throw new PlatformNotSupportedException();
+            }
+
+            UnicodeEncoding unicode = new UnicodeEncoding();
+            string mof = File.ReadAllText(mofPath, unicode);
+
+            StringBuilder sb = new StringBuilder();
+            sb.Append("iv root/Microsoft/DesiredStateConfiguration { MSFT_DSCLocalConfigurationManager } SendConfigurationApply ");
+            sb.Append("{ ConfigurationData [ ");
+            sb.Append(mof);
+            sb.Append(" ] ");
+            sb.Append("}");
+
+            using (Process process = new Process())
+            {
+                // Assume omicli is somewhere in PATH...
+                process.StartInfo.FileName = "omicli";
+                process.StartInfo.Arguments = sb.ToString();
+                process.StartInfo.UseShellExecute = false;
+                process.StartInfo.RedirectStandardOutput = true;
+                process.StartInfo.CreateNoWindow = true;
+
+                process.Start();
+
+                string output = process.StandardOutput.ReadToEnd();
+
+                process.WaitForExit();
+                if (process.ExitCode != 0)
+                {
+                    throw new IOException();
+                }
+                
+                Console.WriteLine(output);
+                return;
+            }
+        }
     }
 }