106 lines
3.4 KiB
C#
106 lines
3.4 KiB
C#
using System;
|
|
using System.ComponentModel.DataAnnotations;
|
|
using System.Linq;
|
|
using System.Collections.Generic;
|
|
using System.Threading.Tasks;
|
|
using Microsoft.AspNetCore.Http;
|
|
using Microsoft.AspNetCore.Mvc;
|
|
using Microsoft.AspNetCore.Routing;
|
|
using Microsoft.AspNetCore.Authorization;
|
|
using Microsoft.EntityFrameworkCore;
|
|
using Microsoft.Extensions.Logging;
|
|
using Newtonsoft.Json.Linq;
|
|
|
|
using AyaNova.Models;
|
|
using AyaNova.Api.ControllerHelpers;
|
|
using AyaNova.Biz;
|
|
|
|
|
|
namespace AyaNova.Api.Controllers
|
|
{
|
|
|
|
/// <summary>
|
|
/// Server metrics
|
|
/// </summary>
|
|
[ApiController]
|
|
[ApiVersion("8.0")]
|
|
[Route("api/v{version:apiVersion}/server-metric")]
|
|
[Authorize]
|
|
public class ServerMetricsController : ControllerBase
|
|
{
|
|
private readonly AyContext ct;
|
|
private readonly ILogger<LogFilesController> log;
|
|
private readonly ApiServerState serverState;
|
|
|
|
|
|
/// <summary>
|
|
/// ctor
|
|
/// </summary>
|
|
/// <param name="dbcontext"></param>
|
|
/// <param name="logger"></param>
|
|
/// <param name="apiServerState"></param>
|
|
|
|
public ServerMetricsController(AyContext dbcontext, ILogger<LogFilesController> logger, ApiServerState apiServerState)
|
|
{
|
|
ct = dbcontext;
|
|
log = logger;
|
|
serverState = apiServerState;
|
|
}
|
|
|
|
|
|
|
|
/// <summary>
|
|
/// Get all server metrics for time period specified
|
|
/// </summary>
|
|
/// <param name="hours">Required value, timespan of hours worth of records to return from current moment backwards</param>
|
|
/// <param name="maxRecords">Optional maximum records to return. If there are more records for the time period selected than this value the result will be downsampled using Largest-Triangle-Three-Buckets algorithm</param>
|
|
/// <returns>Snapshot of metrics</returns>
|
|
[HttpGet]
|
|
public async Task<IActionResult> GetMetrics([FromQuery] int? hours, [FromQuery] int? maxRecords)
|
|
{
|
|
if (serverState.IsClosed)
|
|
return StatusCode(503, new ApiErrorResponse(serverState.ApiErrorCode, null, serverState.Reason));
|
|
|
|
if (!Authorized.HasReadFullRole(HttpContext.Items, AyaType.Metrics))
|
|
{
|
|
return StatusCode(403, new ApiNotAuthorizedResponse());
|
|
}
|
|
//use specified values or just return all
|
|
maxRecords ??= int.MaxValue;
|
|
List<MetricMM> MinuteMetrics = new List<MetricMM>();
|
|
//Query the data and downsample if required
|
|
|
|
if (hours != null)
|
|
{
|
|
DateTime maxDate = DateTime.UtcNow.Subtract(new TimeSpan((int)hours, 0, 0, 0));
|
|
MinuteMetrics = await ct.MetricMM.AsNoTracking().Where(z => z.t > maxDate).OrderBy(z => z.t).ToListAsync();
|
|
}
|
|
else
|
|
{
|
|
MinuteMetrics = await ct.MetricMM.AsNoTracking().OrderBy(z => z.t).ToListAsync();
|
|
}
|
|
|
|
|
|
|
|
|
|
if (maxRecords < MinuteMetrics.Count)
|
|
{
|
|
//downsample it here
|
|
;//https://github.com/sveinn-steinarsson/flot-downsample/
|
|
|
|
}
|
|
|
|
//Log
|
|
await EventLogProcessor.LogEventToDatabaseAsync(new Event(UserIdFromContext.Id(HttpContext.Items), 0, AyaType.Metrics, AyaEvent.Retrieved), ct);
|
|
|
|
return Ok(ApiOkResponse.Response(MinuteMetrics));
|
|
}
|
|
|
|
|
|
|
|
|
|
//------------
|
|
|
|
|
|
}
|
|
} |