259 lines
12 KiB
C#
259 lines
12 KiB
C#
using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using Microsoft.AspNetCore.Hosting;
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using Microsoft.Extensions.Hosting;
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using Microsoft.Extensions.Configuration;
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using Microsoft.Extensions.Logging;
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using NLog.Web;
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using NLog.Targets;
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using NLog.Config;
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using AyaNova.Util;
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//using StackExchange.Profiling;
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namespace AyaNova
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{
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public class Program
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{
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public static void Main(string[] args)
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{
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//Boot lock for generator
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ServerGlobalOpsSettingsCache.BOOTING = true;
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//Get config
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var config = new ConfigurationBuilder().AddEnvironmentVariables().AddCommandLine(args).Build();
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ServerBootConfig.SetConfiguration(config);
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#region Initialize Logging
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//NOTE: there is a logging issue that breaks all this with .net 3.1 hostbuilder vs webhostbuilder but webhostbuilder will be deprecated so we need to work around it
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//the discussion about that is here: https://github.com/aspnet/AspNetCore/issues/9337
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//I think I worked around it
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//NLOG OFFICIAL GUIDELINES FOR .net core 3.x https://github.com/NLog/NLog/wiki/Getting-started-with-ASP.NET-Core-3
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//default log level
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NLog.LogLevel NLogLevel = NLog.LogLevel.Info;
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bool FilterOutMicrosoftLogItems = true;
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switch (ServerBootConfig.AYANOVA_LOG_LEVEL.ToLowerInvariant())
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{
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case "fatal":
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NLogLevel = NLog.LogLevel.Fatal;
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break;
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case "error":
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NLogLevel = NLog.LogLevel.Error;
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break;
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case "warn":
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NLogLevel = NLog.LogLevel.Warn;
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break;
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case "info":
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NLogLevel = NLog.LogLevel.Info;
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break;
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case "debug":
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NLogLevel = NLog.LogLevel.Debug;
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break;
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case "trace":
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NLogLevel = NLog.LogLevel.Trace;
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FilterOutMicrosoftLogItems = false;//Only at TRACE level do we want to see all the Microsoft logging stuff
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break;
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default:
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NLogLevel = NLog.LogLevel.Info;
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break;
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}
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// Step 1. Create configuration object
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var logConfig = new LoggingConfiguration();
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// Step 2. Create targets and add them to the configuration
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var fileTarget = new FileTarget();
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logConfig.AddTarget("file", fileTarget);
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//console target for really serious errors only
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var consoleTarget = new ConsoleTarget();
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logConfig.AddTarget("console", consoleTarget);
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var nullTarget = new NLog.Targets.NullTarget();
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logConfig.AddTarget("blackhole", nullTarget);
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// Step 3. Set target properties
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fileTarget.FileName = Path.Combine(ServerBootConfig.AYANOVA_LOG_PATH, "log-ayanova.txt");
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fileTarget.Layout = "${longdate}|${uppercase:${level}}|${logger}|${message:exceptionSeparator==>:withException=true}";
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fileTarget.ArchiveFileName = Path.Combine(ServerBootConfig.AYANOVA_LOG_PATH, "log-ayanova-{#}.txt");
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fileTarget.ArchiveNumbering = ArchiveNumberingMode.Date;
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fileTarget.ArchiveEvery = FileArchivePeriod.Wednesday;
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fileTarget.MaxArchiveFiles = 3;
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// Step 4. Define rules
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//filter out all Microsoft INFO level logs as they are too much
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var logRuleFilterOutMicrosoft = new LoggingRule("Microsoft.*", NLog.LogLevel.Trace, NLog.LogLevel.Info, nullTarget);
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logRuleFilterOutMicrosoft.Final = true;
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//filter out httpclient logs at INFO level
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//2020-01-28 11:19:12.8767|INFO|System.Net.Http.HttpClient.Default.LogicalHandler|Start processing HTTP request GET https://rockfish.ayanova.com/rvf/a6d18a8a-5613-4979-99da-80d07641a2fe
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var logRuleFilterOutHttpClient = new LoggingRule("System.Net.Http.HttpClient.Default.*", NLog.LogLevel.Trace, NLog.LogLevel.Info, nullTarget);
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logRuleFilterOutHttpClient.Final = true;
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//filter out all Microsoft EF CORE concurrency exceptions, it's a nuisance unless debugging or something
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//This is what I have to filter because it's the top exception: Microsoft.EntityFrameworkCore.Update
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//But this is what I'm actually trying to filter: Microsoft.EntityFrameworkCore.DbUpdateConcurrencyException
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//however there doesn't appear to be a way to filter out based on content so...
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var logRuleFilterOutMicrosoftEfCoreConcurrencyExceptions = new LoggingRule("Microsoft.EntityFrameworkCore.Update", NLog.LogLevel.Trace, NLog.LogLevel.Error, nullTarget);
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logRuleFilterOutMicrosoftEfCoreConcurrencyExceptions.Final = true;
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var logRuleFilterOutMicrosoftEfCoreCommandExceptions = new LoggingRule("Microsoft.EntityFrameworkCore.Database.Command", NLog.LogLevel.Trace, NLog.LogLevel.Error, nullTarget);
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logRuleFilterOutMicrosoftEfCoreCommandExceptions.Final = true;
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var logRuleFilterOutMicrosoftEfCoreDbUpdateExceptions = new LoggingRule("Microsoft.EntityFrameworkCore.DbUpdateException", NLog.LogLevel.Trace, NLog.LogLevel.Error, nullTarget);
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logRuleFilterOutMicrosoftEfCoreDbUpdateExceptions.Final = true;
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//this rule is only intended to filter out this incorrect exception:
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//2019-01-16 16:13:03.4808|WARN|Microsoft.EntityFrameworkCore.Query|Query: '(from Widget <generated>_4 in DbSet<Widget> select [<generated>_4]).Skip(__p_1).Take(__p_2)' uses a row limiting operation (Skip/Take) without OrderBy which may lead to unpredictable results.
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var logRuleFilterOutMicrosoftEfCoreQueryExceptions = new LoggingRule("Microsoft.EntityFrameworkCore.Query", NLog.LogLevel.Trace, NLog.LogLevel.Error, nullTarget);
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logRuleFilterOutMicrosoftEfCoreQueryExceptions.Final = true;
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//Log all other regular items at selected level
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var logRuleAyaNovaItems = new LoggingRule("*", NLogLevel, fileTarget);
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//Log error or above to console
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var logRuleForConsole = new LoggingRule("*", NLog.LogLevel.Error, consoleTarget);
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//add console serious error only log rule
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logConfig.LoggingRules.Add(logRuleForConsole);
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//only log microsoft stuff it log is debug level or lower
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if (FilterOutMicrosoftLogItems)
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{
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//filter OUT microsoft stuff
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logConfig.LoggingRules.Add(logRuleFilterOutMicrosoft);
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logConfig.LoggingRules.Add(logRuleFilterOutMicrosoftEfCoreConcurrencyExceptions);
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logConfig.LoggingRules.Add(logRuleFilterOutMicrosoftEfCoreCommandExceptions);
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logConfig.LoggingRules.Add(logRuleFilterOutMicrosoftEfCoreDbUpdateExceptions);
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logConfig.LoggingRules.Add(logRuleFilterOutMicrosoftEfCoreQueryExceptions);
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//also httpclient stuff
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logConfig.LoggingRules.Add(logRuleFilterOutHttpClient);
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}
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logConfig.LoggingRules.Add(logRuleAyaNovaItems);
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//Turn on internal logging:
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if (ServerBootConfig.AYANOVA_LOG_ENABLE_LOGGER_DIAGNOSTIC_LOG)
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{
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NLog.Common.InternalLogger.LogFile = "log-ayanova-logger.txt";
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NLog.Common.InternalLogger.LogLevel = NLog.LogLevel.Debug;
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}
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// NLog: setup the logger first to catch all errors
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var logger = NLogBuilder.ConfigureNLog(logConfig).GetLogger("BOOT");
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//This is the first log entry
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logger.Info($"AYANOVA SERVER {AyaNovaVersion.VersionString} BOOTING");
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//log configuration
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try
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{
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var AyaNovaConfig = config.AsEnumerable().Where(z => z.Key.StartsWith("AYANOVA") && z.Key != "AYANOVA_JWT_SECRET" && z.Key != "AYANOVA_SET_SUPERUSER_PW").Select(z => z.Key + "=" + z.Value).ToList();
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var DiagConfig = string.Join(",", AyaNovaConfig);
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DiagConfig = DbUtil.PasswordRedactedConnectionString(DiagConfig);
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logger.Info($"Config {DiagConfig}");
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}
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catch (Exception ex)
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{
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logger.Error(ex, "Error fetching configuration");
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}
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logger.Debug($"Full configuration is {config.GetDebugView()}");
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if (ServerBootConfig.AYANOVA_LOG_ENABLE_LOGGER_DIAGNOSTIC_LOG)
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logger.Warn("AYANOVA_LOG_ENABLE_LOGGER_DIAGNOSTIC_LOG is enabled, this will cause the server to run very slowly");
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//Log environmental settings
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logger.Info("OS - {0}", Environment.OSVersion.ToString());
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logger.Debug("Machine - {0}", Environment.MachineName);
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logger.Debug("User - {0}", Environment.UserName);
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logger.Debug(".Net Version - {0}", Environment.Version.ToString());
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logger.Debug("CPU count - {0}", Environment.ProcessorCount);
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#endregion
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//Ensure we are in the correct folder
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string startFolder = Directory.GetCurrentDirectory();
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var wwwRootFolder = Path.Combine(startFolder, "wwwroot");
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//Test for web root path
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//If user starts AyaNova from folder that is not the contentRoot then
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//AyaNova won't be able to serve static files
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if (!Directory.Exists(wwwRootFolder))
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{
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var err = string.Format("E1010 - AyaNova was not started in the correct folder. AyaNova must be started from the folder that contains the \"wwwroot\" folder but was started instead from this folder: \"{0}\" which does not contain the wwwroot folder.", startFolder);
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logger.Fatal(err);
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throw new System.ApplicationException(err);
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}
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try
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{
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//BuildWebHost(args, logger).Run();
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BuildHost(args, logger).Build().Run();
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}
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catch (Exception e)
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{
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logger.Fatal(e, "E1090 - AyaNova server can't start due to unexpected exception during initialization");
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throw;
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}
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finally
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{
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// Ensure to flush and stop internal timers/threads before application-exit (Avoid segmentation fault on Linux)
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logger.Info("AyaNova server shutting down");
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NLog.LogManager.Shutdown();
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}
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}
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public static IHostBuilder BuildHost(string[] args, NLog.Logger logger)
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{
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logger.Debug("Building host");
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var configuration = new ConfigurationBuilder().AddCommandLine(args).Build();
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return Host.CreateDefaultBuilder(args)
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.ConfigureWebHostDefaults(webBuilder =>
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{
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webBuilder
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.UseSetting("detailedErrors", "true")
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.UseUrls(ServerBootConfig.AYANOVA_USE_URLS)//default port and urls, set first can be overridden by any later setting here
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.UseConfiguration(configuration)//support command line override of port (dotnet run urls=http://*:8081)
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.UseIISIntegration()//support IIS integration just in case, it appears here to override prior settings if necessary (port)
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.UseStartup<Startup>()
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.ConfigureLogging((context, logging) =>
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{
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// clear all previously registered providers
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//https://stackoverflow.com/a/46336988/8939
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logging.ClearProviders();
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})
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.UseNLog(); // NLog: setup NLog for Dependency injection
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});
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}
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}//eoc
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}//eons
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