public static void UseEnvironmentEndpoint(this IApplicationBuilder app, bool includeEnvVars = false)
{
app.Use(async(context, next) =>
{
if (context.Request.Path.Value.Equals("/env"))
{
// Perform IP access check
if (MicroserviceConfiguration.AllowedIpAddresses != null && context.Request.HttpContext.Connection.RemoteIpAddress != null)
{
if (!MicroserviceConfiguration.AllowedIpAddresses.Contains(context.Request.HttpContext.Connection.RemoteIpAddress))
{
context.Response.StatusCode = 403;
await next();
}
}
// Get current application environment
ApplicationEnvironment env = ApplicationEnvironment.GetApplicationEnvironment(includeEnvVars);
context.Response.Headers["Content-Type"] = "application/json";
await context.Response.WriteAsync(JsonConvert.SerializeObject(env, new JsonSerializerSettings()
{
StringEscapeHandling = StringEscapeHandling.EscapeNonAscii
}));
}
else
{
await next();
}
});
}
/// <summary>
/// Gather details about the environment the application is running in
/// <returns>Returns an instance of ApplicationEnvironment</returns>
/// </summary>
public static ApplicationEnvironment GetApplicationEnvironment()
{
ApplicationEnvironment env = new ApplicationEnvironment();
env.ProcessId = Process.GetCurrentProcess().Id;
env.ProcessStartTime = Process.GetCurrentProcess().StartTime;
env.Hostname = Dns.GetHostName();
#if DNXCORE50
// Allow OS detection on .NET Core
if(RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
{
env.Os = "Linux";
}
else if(RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
env.Os = "Windows";
}
else if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
{
env.Os = "Mac OSX";
}
else
{
env.Os = "Unknown";
}
#else
OperatingSystem os = Environment.OSVersion;
PlatformID platform = os.Platform;
switch (platform)
{
case PlatformID.Unix:
env.Os = "Linux/Unix";
break;
case PlatformID.Win32NT:
env.Os = "Windows";
break;
default:
env.Os = "Unknown";
break;
}
env.OsVersion = Environment.OSVersion.Version.ToString();
#endif
// Framework detection
#if DNXCORE50
// Use compiler target detection for CoreCLR
env.Framework = "CoreCLR";
#else
env.Framework = Type.GetType("Mono.Runtime") != null ? "Mono" : ".NET Framework";
#endif
// Loop over environment variables to escape special characters
IDictionary envVars = Environment.GetEnvironmentVariables();
foreach (var envVarKey in envVars.Keys)
{
string envVarValue = envVars[envVarKey].ToString();
envVarValue = envVarValue.Replace("\\", "\\\\");
envVarValue = envVarValue.Replace('"', '\"');
env.EnvironmentVariables.Add(envVarKey.ToString(), envVarValue);
}
// Loop over configuration sources and get their values
foreach (var source in AppConfig.Sources.Keys)
{
env.ApplicationConfiguration.Add(source, AppConfig.GetAllValues(source));
}
#if !DNXCORE50
env.CommandLine = Environment.CommandLine.Replace("\\", "\\\\");
#endif
return env;
}
/// <summary>
/// Gather details about the environment the application is running in
/// <param name="includeEnvVars">Indicate whether to include environment varialbles or not.Default is false</param>
/// <returns>Returns an instance of ApplicationEnvironment</returns>
/// </summary>
public static ApplicationEnvironment GetApplicationEnvironment(bool includeEnvVars = false)
{
ApplicationEnvironment env = new ApplicationEnvironment();
env.ProcessId = Process.GetCurrentProcess().Id;
env.ProcessStartTime = Process.GetCurrentProcess().StartTime;
env.Hostname = Dns.GetHostName();
#if DNXCORE50 || DOTNET5_4
// Allow OS detection on .NET Core
if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
{
env.Os = "Linux";
}
else if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
env.Os = "Windows";
}
else if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
{
env.Os = "Mac OSX";
}
else
{
env.Os = "Unknown";
}
#else
OperatingSystem os = Environment.OSVersion;
PlatformID platform = os.Platform;
switch (platform)
{
case PlatformID.Unix:
env.Os = "Linux/Unix";
break;
case PlatformID.Win32NT:
env.Os = "Windows";
break;
default:
env.Os = "Unknown";
break;
}
env.OsVersion = Environment.OSVersion.Version.ToString();
#endif
// Framework detection
#if DNXCORE50
// Use compiler target detection for CoreCLR
env.Framework = "CoreCLR";
#else
env.Framework = Type.GetType("Mono.Runtime") != null ? "Mono" : ".NET Framework";
#endif
if (includeEnvVars)
{
// Loop over environment variables to escape special characters
IDictionary envVars = Environment.GetEnvironmentVariables();
foreach (var envVarKey in envVars.Keys)
{
string envVarValue = envVars[envVarKey].ToString();
envVarValue = envVarValue.Replace("\\", "\\\\");
envVarValue = envVarValue.Replace('"', '\"');
env.EnvironmentVariables.Add(envVarKey.ToString(), envVarValue);
}
}
// Loop over configuration sources and get their values
foreach (var source in AppConfig.Sources.Keys)
{
env.ApplicationConfiguration.Add(source, AppConfig.GetAllValues(source));
}
#if !DNXCORE50 && !DOTNET5_4
env.CommandLine = Environment.CommandLine.Replace("\\", "\\\\");
#endif
return(env);
}
