internal StreamingMessage ProcessFunctionLoadRequest(StreamingMessage request)
{
FunctionLoadRequest functionLoadRequest = request.FunctionLoadRequest;
StreamingMessage response = NewStreamingMessageTemplate(
request.RequestId,
StreamingMessage.ContentOneofCase.FunctionLoadResponse,
out StatusResult status);
response.FunctionLoadResponse.FunctionId = functionLoadRequest.FunctionId;
try
{
// Try loading the metadata of the function
_functionLoader.Load(functionLoadRequest);
// if we haven't yet, add the well-known Function App module path to the PSModulePath
// The location of this module path is in a folder called "Modules" in the root of the Function App.
if (!_prependedPath)
{
string functionAppModulesPath = Path.GetFullPath(
Path.Combine(functionLoadRequest.Metadata.Directory, "..", "Modules"));
_powerShellManager.PrependToPSModulePath(functionAppModulesPath);
_prependedPath = true;
}
}
catch (Exception e)
{
status.Status = StatusResult.Types.Status.Failure;
status.Exception = e.ToRpcException();
}
return(response);
}
public void PrependingToPSModulePathShouldWork()
{
var logger = new ConsoleLogger();
var manager = new PowerShellManager(logger);
var data = "/some/unknown/directory";
string modulePathBefore = Environment.GetEnvironmentVariable("PSModulePath");
manager.PrependToPSModulePath(data);
try
{
// the data path should be ahead of anything else
Assert.Equal($"{data}{System.IO.Path.PathSeparator}{modulePathBefore}", Environment.GetEnvironmentVariable("PSModulePath"));
}
finally
{
// Set the PSModulePath back to what it was before
Environment.SetEnvironmentVariable("PSModulePath", modulePathBefore);
}
}