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JobSerializer.cs
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JobSerializer.cs
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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
using System;
using System.Net;
using System.Net.Http;
using System.Text;
using System.Threading.Tasks;
using Azure.Core;
using Microsoft.Crank.Models;
using Microsoft.Crank.Models.Security;
using Microsoft.Data.SqlClient;
using Newtonsoft.Json;
using Newtonsoft.Json.Serialization;
namespace Microsoft.Crank.Controller.Serializers
{
public class JobSerializer
{
private static readonly string[] AzureSqlScopes = ["https://database.windows.net/.default"];
public static Task WriteJobResultsToSqlAsync(
JobResults jobResults,
string sqlConnectionString,
string tableName,
string session,
string scenario,
string description,
CertificateOptions certificateOptions
)
{
var utcNow = DateTime.UtcNow;
var document = JsonConvert.SerializeObject(jobResults, Formatting.None, new JsonSerializerSettings { ContractResolver = new CamelCasePropertyNamesContractResolver() });
return RetryOnExceptionAsync(5, () =>
WriteResultsToSql(
utcNow,
sqlConnectionString,
tableName,
session,
scenario,
description,
document,
certificateOptions
)
, 5000);
}
public static async Task InitializeDatabaseAsync(
string connectionString,
string tableName,
CertificateOptions certificateOptions)
{
var createCmd =
@"
IF OBJECT_ID(N'dbo." + tableName + @"', N'U') IS NULL
BEGIN
CREATE TABLE [dbo].[" + tableName + @"](
[Id] [int] IDENTITY(1,1) NOT NULL PRIMARY KEY,
[Excluded] [bit] DEFAULT 0,
[DateTimeUtc] [datetimeoffset](7) NOT NULL,
[Session] [nvarchar](200) NOT NULL,
[Scenario] [nvarchar](200) NOT NULL,
[Description] [nvarchar](200) NOT NULL,
[Document] [nvarchar](max) NOT NULL
)
END
";
await RetryOnExceptionAsync(5, () => InitializeDatabaseInternalAsync(connectionString, createCmd, certificateOptions), 5000);
static async Task InitializeDatabaseInternalAsync(string connectionString, string createCmd, CertificateOptions certificateOptions)
{
using (var connection = GetSqlConnection(connectionString, certificateOptions))
{
await connection.OpenAsync();
using (var command = new SqlCommand(createCmd, connection))
{
await command.ExecuteNonQueryAsync();
}
}
}
}
private static async Task WriteResultsToSql(
DateTime utcNow,
string connectionString,
string tableName,
string session,
string scenario,
string description,
string document,
CertificateOptions certificateOptions
)
{
var insertCmd =
@"
INSERT INTO [dbo].[" + tableName + @"]
([DateTimeUtc]
,[Session]
,[Scenario]
,[Description]
,[Document])
VALUES
(@DateTimeUtc
,@Session
,@Scenario
,@Description
,@Document)
";
using (var connection = GetSqlConnection(connectionString, certificateOptions))
{
await connection.OpenAsync();
var transaction = connection.BeginTransaction();
try
{
var command = new SqlCommand(insertCmd, connection, transaction);
var p = command.Parameters;
p.AddWithValue("@DateTimeUtc", utcNow);
p.AddWithValue("@Session", session);
p.AddWithValue("@Scenario", scenario ?? "");
p.AddWithValue("@Description", description ?? "");
p.AddWithValue("@Document", document);
await command.ExecuteNonQueryAsync();
transaction.Commit();
}
catch
{
transaction.Rollback();
throw;
}
finally
{
transaction.Dispose();
}
}
}
public static Task WriteJobResultsToEsAsync(
JobResults jobResults,
string elasticSearchUrl,
string indexName,
string session,
string scenario,
string description
)
{
var utcNow = DateTime.UtcNow;
return RetryOnExceptionAsync(5, () =>
WriteResultsToEs(
utcNow,
elasticSearchUrl,
indexName,
session,
scenario,
description,
jobResults
)
, 5000);
}
public static async Task InitializeElasticSearchAsync(string elasticSearchUrl, string indexName)
{
var mappingQuery =
@"{""settings"": {""number_of_shards"": 1},""mappings"": { ""dynamic"": false,
""properties"": {
""DateTimeUtc"": { ""type"": ""date"" },
""Session"": { ""type"": ""keyword"" },
""Scenario"": { ""type"": ""keyword"" },
""Description"": { ""type"": ""keyword"" },
""Document"": { ""type"": ""nested"" }}}}";
await RetryOnExceptionAsync(5, () => InitializeDatabaseInternalAsync(elasticSearchUrl,indexName, mappingQuery), 5000);
static async Task InitializeDatabaseInternalAsync(string elasticSearchUrl,string indexName, string mappingQuery)
{
using (var httpClient = new HttpClient())
{
HttpResponseMessage hrm = await httpClient.SendAsync(new HttpRequestMessage(HttpMethod.Head, $"{elasticSearchUrl}/{indexName.ToLower()}"));
if (hrm.StatusCode == HttpStatusCode.NotFound)
{
hrm = await httpClient.PutAsync($"{elasticSearchUrl}/{indexName.ToLower()}", new StringContent(mappingQuery, Encoding.UTF8, "application/json"));
if (hrm.StatusCode != HttpStatusCode.OK)
{
throw new System.Exception(await hrm.Content.ReadAsStringAsync());
}
}
}
}
}
private static async Task WriteResultsToEs(
DateTime utcNow,
string elasticSearchUrl,
string indexName,
string session,
string scenario,
string description,
JobResults jobResults
)
{
var result = new
{
DateTimeUtc = utcNow,
Session = session,
Scenario = scenario,
Description = description,
Document = jobResults
};
using (var httpClient = new HttpClient())
{
var item = JsonConvert.SerializeObject(result, Formatting.None, new JsonSerializerSettings { ContractResolver = new CamelCasePropertyNamesContractResolver() });
HttpResponseMessage hrm = await httpClient.PostAsync(elasticSearchUrl+"/"+indexName.ToLower() + "/_doc/" + session, new StringContent(item.ToString(), Encoding.UTF8, "application/json"));
if (!hrm.IsSuccessStatusCode)
{
throw new Exception(hrm.RequestMessage?.ToString());
}
}
}
private static SqlConnection GetSqlConnection(string connectionString, CertificateOptions certificateOptions)
{
// The Sql Connection is always initialized from the connection string as it contains custom settings which are
// not related to authentication.
var connection = new SqlConnection(connectionString);
if (certificateOptions != null)
{
var clientCertificateCredentials = certificateOptions.GetClientCertificateCredential();
if (clientCertificateCredentials == null)
{
throw new ApplicationException($"The requested certificate could not be found: {certificateOptions.Path ?? certificateOptions.Thumbprint}");
}
var token = clientCertificateCredentials.GetToken(new TokenRequestContext(AzureSqlScopes));
connection.AccessToken = token.Token;
}
return connection;
}
private async static Task RetryOnExceptionAsync(int retries, Func<Task> operation, int milliSecondsDelay = 0)
{
var attempts = 0;
do
{
try
{
attempts++;
await operation();
return;
}
catch (Exception e)
{
if (attempts == retries + 1)
{
throw;
}
Log($"Attempt {attempts} failed: {e.Message}");
if (milliSecondsDelay > 0)
{
await Task.Delay(milliSecondsDelay);
}
}
} while (true);
}
private static void Log(string message)
{
var time = DateTime.Now.ToString("hh:mm:ss.fff");
Console.WriteLine($"[{time}] {message}");
}
}
}