public static T DeserializeYaml <T>(Stream s) where T : class
{
T retVal = null;
s.Position = 0;
using (StreamReader reader = new StreamReader(s))
{
string yaml = reader.ReadToEnd();
retVal = _yamlDeserializer.Deserialize <T>(yaml);
}
return(retVal);
}
public static Dictionary <string, string[]> LoadCommandNames(string aliasesFilePath = "data/aliases.yml")
{
var text = File.ReadAllText(aliasesFilePath);
return(_deserializer.Deserialize <Dictionary <string, string[]> >(text));
}
private int Run(string[] args)
{
System.Text.Encoding.RegisterProvider(CodePagesEncodingProvider.Instance);
if (args.Length < 2 || args.Length > 3)
{
return(Usage());
}
// Determine Backup/Restore
CopyAction action;
if (args[0].ToLower() == "backup")
{
action = CopyAction.Backup;
}
else if (args[0].ToLower() == "restore")
{
action = CopyAction.Restore;
}
else
{
return(Usage());
}
// Read Yaml input file
string input = args[1];
try {
YamlRawContent = File.ReadAllText(input);
} catch (Exception) {
Console.WriteLine($"Input file {input} not found");
throw;
}
// Find out what to do
string content;
// Determine Blue/Green
if (args.Length == 3)
{
string blueGreen = args[2].ToLower();
if (blueGreen == "blue")
{
BlueGreenDeploy = BlueGreenDeployEnum.Blue;
}
else if (blueGreen == "green")
{
BlueGreenDeploy = BlueGreenDeployEnum.Green;
}
else
{
return(Usage());
}
if (action == CopyAction.Restore)
{
throw new Error("Can't specify Blue/Green when using Restore");
}
}
else
{
if (action == CopyAction.Backup)
{
// find out whether Blue or Green is running
YamlData yamlData;
try {
YamlDotNet.Serialization.IDeserializer deserializer = Yaml.GetDeserializer();
yamlData = deserializer.Deserialize <YamlData>(YamlRawContent);
} catch (Exception exc) {
Console.WriteLine($"Input file {input} is invalid");
string msg = Error.FormatExceptionMessage(exc);
Console.WriteLine(msg);
throw;
}
// note that yamlData still has Blue/Green variables
if (!string.IsNullOrWhiteSpace(yamlData.Deploy.DetermineBlueGreen))
{
if (string.IsNullOrWhiteSpace(yamlData.Deploy.BlueRegex))
{
throw new Error($"Can't determine Blue/Green - Yaml file doesn't define {nameof(yamlData.Deploy)}:{nameof(yamlData.Deploy.BlueRegex)}");
}
if (string.IsNullOrWhiteSpace(yamlData.Deploy.GreenRegex))
{
throw new Error($"Can't determine Blue/Green - Yaml file doesn't define {nameof(yamlData.Deploy)}:{nameof(yamlData.Deploy.GreenRegex)}");
}
BlueGreenDeploy = DetermineNewBlueGreen(yamlData);
}
}
}
content = ReplaceBlueGreen(YamlRawContent);
// deserialize yamldata - yamlData no longer has Blue/Green variables
try {
YamlDotNet.Serialization.IDeserializer deserializer = Yaml.GetDeserializer();
YamlData = deserializer.Deserialize <YamlData>(content);
} catch (Exception exc) {
Console.WriteLine($"Input file {input} is invalid");
string msg = Error.FormatExceptionMessage(exc);
Console.WriteLine(msg);
throw;
}
try {
if (action == CopyAction.Backup)
{
Backup backup = new Backup();
backup.PerformBackup();
}
else
{
Restore restore = new Restore();
restore.PerformRestore();
}
} catch (Exception exc) {
string msg = Error.FormatExceptionMessage(exc);
Console.WriteLine(msg);
throw;
}
return(0);
}