Files
zpoolcheck/Program.cs
2025-11-19 14:53:43 -08:00

74 lines
2.7 KiB
C#

// Libraries, liberals even
using System.Diagnostics;
using System.Net.Http;
using System.Net.Http.Json;
using System.Text;
using System.Text.Json;
using System.Text.Json.Serialization;
// Local functions
var theHttpClient = new HttpClient();
theHttpClient.DefaultRequestHeaders.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("rwYGDkbh52tXy62AbcCfBmppX");
string systemHostname = System.Environment.MachineName ?? "UNKNOWN_HOST";
async Task<string> runProcess(string file, string args)
{
var psi = new ProcessStartInfo
{
FileName = file,
Arguments = args,
RedirectStandardOutput = true,
RedirectStandardError = true,
UseShellExecute = false,
CreateNoWindow = true
};
using var process = Process.Start(psi) ?? throw new Exception("Error starting process (runProcess)");
string processStdErr = await process.StandardError.ReadToEndAsync();
if (processStdErr != "")
{
throw new Exception($"Process stderr was not empty: {processStdErr}");
}
string processStdOut = await process.StandardOutput.ReadToEndAsync();
await process.WaitForExitAsync();
return processStdOut;
}
// Entrypoint
string queryPoolsStdOut = await runProcess("/usr/sbin/zpool","list -H");
List<string> poolList = new List<string>();
foreach (string poolName in queryPoolsStdOut.Split("\n", StringSplitOptions.RemoveEmptyEntries))
{
string[] actualName = poolName.Split("\t");
poolList.Add(actualName[0]);
}
foreach (string poolName in poolList)
{
string queryPoolInfoStdOut = await runProcess("/usr/sbin/zpool",$"status {poolName}");
var emailRequestBody = new emailRequestBodyTemplate { recipient = "nathan@enstrayed.com", subject = $"Zpool {poolName} on {systemHostname} is unhealthy", message = $"The pool {poolName} on {systemHostname} is no longer marked as healthy. Status output:\n\n{queryPoolInfoStdOut}"};
var serializedEmailRequestBody = new StringContent(JsonSerializer.Serialize(emailRequestBody, emailRequestBodyContext.Default.emailRequestBodyTemplate), Encoding.UTF8, "application/json");
Console.WriteLine("Got to email send part");
HttpResponseMessage emailRequestResponse = await theHttpClient.PostAsync("https://enstrayed.com/api/sendemail", serializedEmailRequestBody);
Console.WriteLine(emailRequestResponse.StatusCode.ToString());
}
// Classes
public class emailRequestBodyTemplate
{
public required string recipient { get; set; }
public required string subject { get; set; }
public required string message { get; set; }
}
[JsonSerializable(typeof(emailRequestBodyTemplate))]
internal partial class emailRequestBodyContext : JsonSerializerContext
{
}