Joseph Doherty
28 lines
1.3 KiB
C#
28 lines
1.3 KiB
C#
using Serilog.Events;
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using ZB.MOM.WW.Configuration;
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namespace ZB.MOM.WW.ScadaBridge.Host;
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/// <summary>
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/// Validates <see cref="LoggingOptions"/> at host startup (arch-review 08 round
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/// 2 NF4). <see cref="LoggingOptions.MinimumLevel"/> is parsed into a Serilog
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/// <see cref="LogEventLevel"/> by <c>LoggerConfigurationFactory.ParseLevel</c>,
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/// which silently falls back to <c>Information</c> for an unrecognised value.
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/// This validator surfaces that misconfiguration at boot instead: a present,
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/// non-blank value must name a real level (Verbose/Debug/Information/Warning/
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/// Error/Fatal, case-insensitive). A null/blank value is treated as "unset"
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/// (defaults to Information), mirroring the parser.
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/// </summary>
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public sealed class LoggingOptionsValidator : OptionsValidatorBase<LoggingOptions>
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{
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/// <inheritdoc />
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protected override void Validate(ValidationBuilder builder, LoggingOptions options)
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{
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builder.RequireThat(
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string.IsNullOrWhiteSpace(options.MinimumLevel)
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|| Enum.TryParse<LogEventLevel>(options.MinimumLevel, ignoreCase: true, out _),
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$"ScadaBridge:Logging:{nameof(LoggingOptions.MinimumLevel)} ('{options.MinimumLevel}') " +
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$"is not a recognised Serilog level. Valid: {string.Join(", ", Enum.GetNames<LogEventLevel>())}.");
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}
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}
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