/// <summary>
/// Import CIM classes from the given file
/// </summary>
/// <param name="path"></param>
/// <param name="moduleInfo"></param>
/// <param name="errors"></param>
/// <returns></returns>
public static List<CimClass> ImportClasses(string path, Tuple<string, Version> moduleInfo, Collection<Exception> errors)
{
if (string.IsNullOrEmpty(path))
{
throw PSTraceSource.NewArgumentNullException("path");
}
s_tracer.WriteLine("DSC ClassCache: importing file: {0}", path);
var parser = new Microsoft.PowerShell.DesiredStateConfiguration.CimDSCParser(MyClassCallback);
List<CimClass> classes = null;
try
{
classes = parser.ParseSchemaMof(path);
}
catch (PSInvalidOperationException e)
{
// Ignore modules with invalid schemas.
s_tracer.WriteLine("DSC ClassCache: Error importing file '{0}', with error '{1}'. Skipping file.", path, e);
if (errors != null)
{
errors.Add(e);
}
}
if (classes != null)
{
foreach (var c in classes)
{
// Only add the class once...
var className = c.CimSystemProperties.ClassName;
string moduleQualifiedResourceName = GetModuleQualifiedResourceName(moduleInfo.Item1, moduleInfo.Item2.ToString(), className);
Tuple<DSCResourceRunAsCredential, Microsoft.Management.Infrastructure.CimClass> cimClassInfo;
if (ClassCache.TryGetValue(moduleQualifiedResourceName, out cimClassInfo))
{
CimClass cimClass = cimClassInfo.Item2;
// If this is a nested object and we already have exactly same nested object, we will
// allow sharing of nested objects.
if (!IsSameNestedObject(cimClass, c))
{
var files = string.Join(",", GetFileDefiningClass(className));
PSInvalidOperationException e = PSTraceSource.NewInvalidOperationException(
ParserStrings.DuplicateCimClassDefinition, className, path, files);
e.SetErrorId("DuplicateCimClassDefinition");
if (errors != null)
{
errors.Add(e);
}
}
}
if (s_hiddenResourceCache.Contains(className))
{
continue;
}
if (!CacheResourcesFromMultipleModuleVersions)
{
// Find & remove the previous version of the resource.
List<KeyValuePair<string, Tuple<DSCResourceRunAsCredential, Microsoft.Management.Infrastructure.CimClass>>> resourceList = FindResourceInCache(moduleInfo.Item1, className);
if (resourceList.Count > 0 && !string.IsNullOrEmpty(resourceList[0].Key))
{
ClassCache.Remove(resourceList[0].Key);
}
}
ClassCache[moduleQualifiedResourceName] = new Tuple<DSCResourceRunAsCredential, Microsoft.Management.Infrastructure.CimClass>(DSCResourceRunAsCredential.Default, c);
ByClassModuleCache[className] = moduleInfo;
}
var sb = new System.Text.StringBuilder();
foreach (var c in classes)
{
sb.Append(c.CimSystemProperties.ClassName);
sb.Append(",");
}
s_tracer.WriteLine("DSC ClassCache: loading file '{0}' added the following classes to the cache: {1}", path, sb.ToString());
}
else
{
s_tracer.WriteLine("DSC ClassCache: loading file '{0}' added no classes to the cache.");
}
ByFileClassCache[path] = classes;
return classes;
}
private static bool ImportKeywordsFromAssembly(PSModuleInfo module,
ICollection<string> resourcesToImport,
ICollection<string> resourcesFound,
Dictionary<string, ScriptBlock> functionsToDefine,
Assembly assembly)
{
bool result = false;
var parser = new Microsoft.PowerShell.DesiredStateConfiguration.CimDSCParser(MyClassCallback);
IEnumerable<Type> resourceDefinitions =
assembly.GetTypes().Where(t => t.GetTypeInfo().GetCustomAttributes<DscResourceAttribute>().Any());
foreach (var r in resourceDefinitions)
{
result = true;
bool skip = true;
foreach (var toImport in resourcesToImport)
{
if ((WildcardPattern.Get(toImport, WildcardOptions.IgnoreCase)).IsMatch(r.Name))
{
skip = false;
break;
}
}
if (skip) continue;
var mof = GenerateMofForType(r);
ProcessMofForDynamicKeywords(module, resourcesFound, functionsToDefine, parser, mof, DSCResourceRunAsCredential.Default);
}
return result;
}
/// <summary>
/// Routine used to load a set of CIM instances from a .mof file using the
/// current set of cached classes for schema validation.
/// </summary>
/// <param name="path"></param>
/// <param name="schemaValidationOption"></param>
/// <returns></returns>
public static List<CimInstance> ImportInstances(string path, int schemaValidationOption)
{
if (string.IsNullOrEmpty(path))
{
throw PSTraceSource.NewArgumentNullException("path");
throw new ArgumentNullException("path");
}
if (schemaValidationOption < (int)Microsoft.Management.Infrastructure.Serialization.MofDeserializerSchemaValidationOption.Default ||
schemaValidationOption > (int)Microsoft.Management.Infrastructure.Serialization.MofDeserializerSchemaValidationOption.Ignore)
{
throw new IndexOutOfRangeException("schemaValidationOption");
}
var parser = new Microsoft.PowerShell.DesiredStateConfiguration.CimDSCParser(MyClassCallback, (Microsoft.Management.Infrastructure.Serialization.MofDeserializerSchemaValidationOption)schemaValidationOption);
return parser.ParseInstanceMof(path);
}
/// <summary>
/// A routine that validates a string containing MOF instances against the
/// current set of cached classes.
/// </summary>
/// <param name="instanceText"></param>
public static void ValidateInstanceText(string instanceText)
{
if (string.IsNullOrEmpty(instanceText))
{
throw PSTraceSource.NewArgumentNullException("instanceText");
}
var parser = new Microsoft.PowerShell.DesiredStateConfiguration.CimDSCParser(MyClassCallback);
parser.ValidateInstanceText(instanceText);
}
/// <summary>
/// Routine used to load a set of CIM instances from a .mof file using the
/// current set of cached classes for schema validation.
/// </summary>
/// <param name="path">The file to load the classes from.</param>
/// <returns></returns>
public static List<CimInstance> ImportInstances(string path)
{
if (string.IsNullOrEmpty(path))
{
throw PSTraceSource.NewArgumentNullException("path");
}
var parser = new Microsoft.PowerShell.DesiredStateConfiguration.CimDSCParser(MyClassCallback);
return parser.ParseInstanceMof(path);
}