127 lines
3.9 KiB
C#
127 lines
3.9 KiB
C#
using System.IO;
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using System.Threading.Tasks;
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using Microsoft.AspNetCore.Http;
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using Microsoft.AspNetCore.Mvc;
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using Microsoft.AspNetCore.Routing;
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using Microsoft.AspNetCore.Authorization;
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using Microsoft.Extensions.Logging;
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using Newtonsoft.Json.Linq;
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using AyaNova.Models;
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using AyaNova.Api.ControllerHelpers;
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using AyaNova.Biz;
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namespace AyaNova.Api.Controllers
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{
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/// <summary>
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/// Server metrics
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/// </summary>
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[ApiController]
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[ApiVersion("8.0")]
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[Route("api/v{version:apiVersion}/metric")]
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[Authorize]
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public class ServerMetricsController : ControllerBase
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{
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private readonly AyContext ct;
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private readonly ILogger<LogFilesController> log;
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private readonly ApiServerState serverState;
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/// <summary>
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/// ctor
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/// </summary>
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/// <param name="dbcontext"></param>
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/// <param name="logger"></param>
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/// <param name="apiServerState"></param>
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public ServerMetricsController(AyContext dbcontext, ILogger<LogFilesController> logger, ApiServerState apiServerState)
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{
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ct = dbcontext;
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log = logger;
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serverState = apiServerState;
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}
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/// <summary>
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/// Get metrics as text document
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/// </summary>
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/// <returns>Snapshot of metrics</returns>
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[HttpGet("textsnapshot")]
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public async Task<IActionResult> GetMetrics()
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{
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if (serverState.IsClosed)
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return StatusCode(503, new ApiErrorResponse(serverState.ApiErrorCode, null, serverState.Reason));
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if (!Authorized.HasReadFullRole(HttpContext.Items, AyaType.Metrics))
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{
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return StatusCode(403, new ApiNotAuthorizedResponse());
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}
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string sResult = await GetTheMetrics("plain");
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//Log
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await EventLogProcessor.LogEventToDatabaseAsync(new Event(UserIdFromContext.Id(HttpContext.Items), 0, AyaType.Metrics, AyaEvent.Retrieved), ct);
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return Content(sResult);
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}
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/// <summary>
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/// Get metrics as json object
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/// </summary>
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/// <returns>Snapshot of metrics</returns>
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[HttpGet("jsonsnapshot")]
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public async Task<IActionResult> GetJsonMetrics()
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{
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if (serverState.IsClosed)
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return StatusCode(503, new ApiErrorResponse(serverState.ApiErrorCode, null, serverState.Reason));
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if (!Authorized.HasReadFullRole(HttpContext.Items, AyaType.Metrics))
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{
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return StatusCode(403, new ApiNotAuthorizedResponse());
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}
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string sResult = await GetTheMetrics("json");
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JObject json = JObject.Parse(sResult);
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//Log
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await EventLogProcessor.LogEventToDatabaseAsync(new Event(UserIdFromContext.Id(HttpContext.Items), 0, AyaType.Metrics, AyaEvent.Retrieved), ct);
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return Ok(ApiOkResponse.Response(json));
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}
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/// <summary>
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/// Get the metrics snapshot
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/// </summary>
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/// <param name="format">Either "json" for json format or "plain" for plaintext format</param>
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/// <returns></returns>
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private async Task<string> GetTheMetrics(string format)
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{
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var snapshot = metrics.Snapshot.Get();
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var formatters = ((IMetricsRoot)metrics).OutputMetricsFormatters;
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string sResult = $"ERROR GETTING METRICS IN {format} FORMAT";
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foreach (var formatter in formatters)
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{
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if (formatter.MediaType.Format == format)
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{
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using (var stream = new MemoryStream())
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{
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await formatter.WriteAsync(stream, snapshot);
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sResult = System.Text.Encoding.UTF8.GetString(stream.ToArray());
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}
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}
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}
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return sResult;
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}
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//------------
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}
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} |