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Read environment variables by default #784

This commit is contained in:
John Luo 2016-06-07 11:50:17 -07:00
parent e41b455141
commit db4b0af98b
2 changed files with 22 additions and 8 deletions
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29
src/Microsoft.AspNetCore.Hosting/WebHostBuilder.cs
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@ -27,7 +27,7 @@ namespace Microsoft.AspNetCore.Hosting
private readonly List<Action<IServiceCollection>> _configureServicesDelegates;
private readonly List<Action<ILoggerFactory>> _configureLoggingDelegates;
private IConfiguration _config = new ConfigurationBuilder().AddInMemoryCollection().Build();
private IConfiguration _config;
private ILoggerFactory _loggerFactory;
private WebHostOptions _options;
@ -40,14 +40,22 @@ namespace Microsoft.AspNetCore.Hosting
_configureServicesDelegates = new List<Action<IServiceCollection>>();
_configureLoggingDelegates = new List<Action<ILoggerFactory>>();
// This may end up storing null, but that's indistinguishable from not adding it.
UseSetting(WebHostDefaults.EnvironmentKey, Environment.GetEnvironmentVariable("ASPNETCORE_ENVIRONMENT")
// Legacy keys, never remove these.
?? Environment.GetEnvironmentVariable("Hosting:Environment")
?? Environment.GetEnvironmentVariable("ASPNET_ENV"));
_config = new ConfigurationBuilder()
.AddEnvironmentVariables(prefix: "ASPNETCORE_")
.Build();
// Add the default server.urls key
UseSetting(WebHostDefaults.ServerUrlsKey, Environment.GetEnvironmentVariable("ASPNETCORE_URLS"));
if (string.IsNullOrEmpty(GetSetting(WebHostDefaults.EnvironmentKey)))
{
// Try adding legacy environment keys, never remove these.
UseSetting(WebHostDefaults.EnvironmentKey, Environment.GetEnvironmentVariable("Hosting:Environment")
?? Environment.GetEnvironmentVariable("ASPNET_ENV"));
}
if (string.IsNullOrEmpty(GetSetting(WebHostDefaults.ServerUrlsKey)))
{
// Try adding legacy url key, never remove this.
UseSetting(WebHostDefaults.ServerUrlsKey, Environment.GetEnvironmentVariable("ASPNETCORE_SERVER.URLS"));
}
}
/// <summary>
@ -137,6 +145,11 @@ namespace Microsoft.AspNetCore.Hosting
Console.WriteLine("The environment variable 'ASPNET_ENV' is obsolete and has been replaced with 'ASPNETCORE_ENVIRONMENT'");
}
if (Environment.GetEnvironmentVariable("ASPNETCORE_SERVER.URLS") != null)
{
Console.WriteLine("The environment variable 'ASPNETCORE_SERVER.URLS' is obsolete and has been replaced with 'ASPNETCORE_URLS'");
}
var hostingServices = BuildHostingServices();
var hostingContainer = hostingServices.BuildServiceProvider();

1
src/Microsoft.AspNetCore.Hosting/project.json
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@ -27,6 +27,7 @@
"Microsoft.Extensions.FileProviders.Physical": "1.0.0-*",
"Microsoft.Extensions.Options": "1.0.0-*",
"Microsoft.Extensions.Configuration": "1.0.0-*",
"Microsoft.Extensions.Configuration.EnvironmentVariables": "1.0.0-*",
"Microsoft.Extensions.DependencyInjection": "1.0.0-*",
"Microsoft.Extensions.Logging": "1.0.0-*",
"Microsoft.Extensions.PlatformAbstractions": "1.0.0-*",