private string GetAmazonLambdaToolVersion()
{
// check if dotnet executable can be found
var dotNetExe = ProcessLauncher.DotNetExe;
if (string.IsNullOrEmpty(dotNetExe))
{
return(null);
}
// check if Amazon Lambda Tools extension is installed
var result = ProcessLauncher.ExecuteWithOutputCapture(
dotNetExe,
new[] { "lambda", "tool", "help" },
workingFolder: null
);
if (result == null)
{
return(null);
}
// parse version from Amazon Lambda Tools
var match = Regex.Match(result, @"\((?<Version>.*)\)");
if (!match.Success)
{
return(null);
}
return(match.Groups["Version"].Value);
}
private bool CheckDotNetLambdaToolIsInstalled()
{
// only run check once
if (_dotnetLambdaToolVersionChecked)
{
return(_dotnetLambdaToolVersionValid);
}
_dotnetLambdaToolVersionChecked = true;
// check if dotnet executable can be found
var dotNetExe = ProcessLauncher.DotNetExe;
if (string.IsNullOrEmpty(dotNetExe))
{
LogError("failed to find the \"dotnet\" executable in path.");
return(false);
}
// check if AWS Lambda Tools extension is installed
var result = ProcessLauncher.ExecuteWithOutputCapture(
dotNetExe,
new[] { "lambda", "tool", "help" },
workingFolder: null
);
if (result == null)
{
// attempt to install the AWS Lambda Tools extension
if (!ProcessLauncher.Execute(
dotNetExe,
new[] { "tool", "install", "-g", "Amazon.Lambda.Tools" },
workingFolder: null,
showOutput: false
))
{
LogError("'dotnet tool install -g Amazon.Lambda.Tools' command failed");
return(false);
}
// latest version is now installed, we're good to proceed
_dotnetLambdaToolVersionValid = true;
return(true);
}
// check version of installed AWS Lambda Tools extension
var match = Regex.Match(result, @"\((?<Version>.*)\)");
if (!match.Success || !VersionInfo.TryParse(match.Groups["Version"].Value, out var version))
{
LogWarn("proceeding compilation with unknown version of 'Amazon.Lambda.Tools'; please ensure latest version is installed");
_dotnetLambdaToolVersionValid = true;
return(true);
}
if (version.CompareTo(VersionInfo.Parse(MIN_AWS_LAMBDA_TOOLS_VERSION)) < 0)
{
// attempt to install the AWS Lambda Tools extension
if (!ProcessLauncher.Execute(
dotNetExe,
new[] { "tool", "update", "-g", "Amazon.Lambda.Tools" },
workingFolder: null,
showOutput: false
))
{
LogError("'dotnet tool update -g Amazon.Lambda.Tools' command failed");
return(false);
}
}
_dotnetLambdaToolVersionValid = true;
return(true);
}
