119 lines
4.8 KiB
C#
119 lines
4.8 KiB
C#
using System;
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using System.Threading.Tasks;
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using Microsoft.Extensions.Logging;
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using AyaNova.Models;
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using AyaNova.Util;
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using System.IO;
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namespace AyaNova.Biz
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{
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/// <summary>
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/// Backup
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///
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/// </summary>
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internal static class CoreJobBackup
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{
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private static ILogger log = AyaNova.Util.ApplicationLogging.CreateLogger("CoreJobBackup");
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private static bool BackupIsRunning = false;
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////////////////////////////////////////////////////////////////////////////////////////////////
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//
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//
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public static async Task DoWorkAsync(AyContext ct)
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{
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if (BackupIsRunning) return;
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//get NOW in utc
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DateTime utcNow = DateTime.UtcNow;
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//what time should we backup today?
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DateTime todayBackupTime = new DateTime(utcNow.Year, utcNow.Month, utcNow.Day, ServerGlobalOpsSettings.BackupTime.Hour, ServerGlobalOpsSettings.BackupTime.Minute, 0, DateTimeKind.Utc);//first start with NOW
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//Are we there yet?
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if (utcNow < todayBackupTime) return;//nope
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//Yes, we've passed into the backup window time, but that's also true if we just ran the backup as well so
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//need to check for that as well...
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//Has last backup run more than 24 hours ago?
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if (ServerGlobalOpsSettings.LastBackup > utcNow.AddHours(-24))
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return;//nope, so we have already run today's backup
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//Ok, we're into backup time and it's been more than 24 hours since it last ran so let's do this...
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AyaNova.Api.ControllerHelpers.ApiServerState apiServerState = null;
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try
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{
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BackupIsRunning = true;
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//LOCK DOWN SERVER
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apiServerState = (AyaNova.Api.ControllerHelpers.ApiServerState)ServiceProviderProvider.Provider.GetService(typeof(AyaNova.Api.ControllerHelpers.ApiServerState));
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apiServerState.SetClosed("BACKUP JOB RUNNING");
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log.LogTrace("Backup starting");
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//*************
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//DO DATA BACKUP
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//build command
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//this is valid:
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//C:\data\code\PostgreSQLPortable_12.0\App\PgSQL\bin\pg_dump --dbname=postgresql://postgres:raven@127.0.0.1:5432/AyaNova -Fc > huge_new.backup
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//"AYANOVA_DB_CONNECTION": "Server=localhost;Username=postgres;Password=raven;Database=AyaNova;",
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Npgsql.NpgsqlConnectionStringBuilder PostgresConnectionString=new Npgsql.NpgsqlConnectionStringBuilder(ServerBootConfig.AYANOVA_DB_CONNECTION);
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var DBNameParameter=$"--dbname=postgresql://{PostgresConnectionString.Username}:{PostgresConnectionString.Password}@{PostgresConnectionString.Host}:{PostgresConnectionString.Port}/{PostgresConnectionString.Database}";
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var DataBackupFile = $"db-{FileUtil.GetSafeDateFileName()}.backup";//presentation issue so don't use UTC for this one
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DataBackupFile = FileUtil.GetFullPathForUtilityFile(DataBackupFile);
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var BackupUtilityCommand = "pg_dump";
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if (!string.IsNullOrWhiteSpace(ServerBootConfig.AYANOVA_BACKUP_PG_DUMP_PATH))
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BackupUtilityCommand = Path.Combine(ServerBootConfig.AYANOVA_BACKUP_PG_DUMP_PATH, BackupUtilityCommand);
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var FullBackupCommand=$"{BackupUtilityCommand} {DBNameParameter} -Fc > {DataBackupFile}";
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log.LogInformation("BACKUP STUB: DATA BACKUP RUNNING NOW - TORA TORA TORA!");
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log.LogInformation($"BACKUP COMMAND: {FullBackupCommand}");
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//DO FILE BACKUP IF ATTACHMENTS BACKED UP
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log.LogInformation("BACKUP STUB: ATTACHMENTS BACKUP RUNNING NOW");
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//PRUNE BACKUP SETS NOT KEPT
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log.LogInformation("BACKUP STUB: PRUNING RUNNING NOW");
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//v.next - COPY TO ONLINE STORAGE
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//***************
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//Update last backup
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var biz = GlobalOpsSettingsBiz.GetBiz(ct);
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var OpSet = await biz.GetAsync(false);
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OpSet.LastBackup = utcNow;
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await biz.ReplaceAsync(OpSet);
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log.LogTrace("Backup completed");
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}
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catch (Exception ex)
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{
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log.LogError(ex, "BACKUP FAILED!");
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throw ex;
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}
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finally
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{
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apiServerState.ResumePriorState();
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BackupIsRunning = false;
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log.LogInformation("BACKUP STUB: COMPLETELY FINISHED BACKING UP");
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}
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}
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/////////////////////////////////////////////////////////////////////
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}//eoc
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}//eons
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