Update applicability lifecycles to match versioning RFC

.github/workflows/preview-build.yml

@@ -200,7 +200,7 @@ jobs:
         with:
           prefix: ${{ env.PATH_PREFIX }}
           strict: ${{ fromJSON(inputs.strict != '' && inputs.strict || 'true') }}
-          metadata-only: ${{ fromJSON(inputs.metadata-only != '' && inputs.metadata-only || 'true') }}
+          metadata-only: ${{ fromJSON(inputs.metadata-only != '' && inputs.metadata-only || 'false') }}
 
       - name: 'Validate inbound links'
         if: |

docs/syntax/applies.md

@@ -10,7 +10,7 @@ applies_to:
     security: ga 9.0.0
     elasticsearch: beta 9.1.0
     observability: discontinued 9.2.0
-  product: planned 9.5, discontinued 9.7
+  product: preview 9.5, discontinued 9.7
 ---
 
 # Applies to
@@ -28,12 +28,10 @@ Taking a mandatory [life-cycle](#life-cycle) with an optional version.
 #### Life cycle:
   * `preview`
   * `beta`
-  * `development`
+  * `ga`
   * `deprecated`
-  * `planned`
-  * `discontinued`
+  * `removed`
   * `unavailable`
-  * `ga`
 
 #### Version
 
@@ -42,7 +40,7 @@ Can be in either `major.minor` or `major.minor.patch` format
 #### Examples
 
 ```
-planned 9.5, discontinued 9.7
+preview 9.5, discontinued 9.7
 discontinued 9.2.0
 all
 ```
@@ -107,7 +105,7 @@ applies_to:
     security: ga 9.0.0
     elasticsearch: beta 9.1.0
     observability: discontinued 9.2.0
-  product: planned 9.5, discontinued 9.7
+  product: preview 9.5, discontinued 9.7
 ---
 ```
 
@@ -125,7 +123,7 @@ serverless:
   security: ga 9.0.0
   elasticsearch: beta 9.1.0
   observability: discontinued 9.2.0
-product: planned 9.5, discontinued 9.7
+product: preview 9.5, discontinued 9.7
 ```
 
 A header may be followed by an `{applies_to}` directive which will contextualize the applicability

src/Elastic.Documentation/Diagnostics/DiagnosticsCollector.cs

@@ -102,7 +102,7 @@ public void Write(Diagnostic diagnostic)
 		Channel.Write(diagnostic);
 	}
 
-	private void Emit(Severity severity, string file, string message) =>
+	public void Emit(Severity severity, string file, string message) =>
 		Write(new Diagnostic
 		{
 			Severity = severity,

src/Elastic.Documentation/Diagnostics/IDiagnosticsCollector.cs

@@ -17,6 +17,7 @@ public interface IDiagnosticsCollector : IAsyncDisposable
 	HashSet<string> OffendingFiles { get; }
 	ConcurrentDictionary<string, bool> InUseSubstitutionKeys { get; }
 
+	void Emit(Severity severity, string file, string message);
 	void EmitError(string file, string message, Exception? e = null);
 	void EmitWarning(string file, string message);
 	void EmitHint(string file, string message);
@@ -27,6 +28,10 @@ public interface IDiagnosticsCollector : IAsyncDisposable
 
 public static class DiagnosticsCollectorExtensions
 {
+
+	public static void Emit(this IDiagnosticsCollector collector, Severity severity, IFileInfo file, string message) =>
+		collector.Emit(severity, file.FullName, message);
+
 	public static void EmitError(this IDiagnosticsCollector collector, IFileInfo file, string message, Exception? e = null) =>
 		collector.EmitError(file.FullName, message, e);
 

src/Elastic.Markdown/Diagnostics/ProcessorDiagnosticExtensions.cs

@@ -78,13 +78,13 @@ public static void EmitWarning(this ParserContext context, int line, int column,
 		context.Build.Collector.Write(d);
 	}
 
-	public static void EmitError(this IBlockExtension block, string message, Exception? e = null) => EmitDiagnostic(block, Severity.Error, message, e);
+	public static void EmitError(this IBlockExtension block, string message, Exception? e = null) => Emit(block, Severity.Error, message, e);
 
-	public static void EmitWarning(this IBlockExtension block, string message) => EmitDiagnostic(block, Severity.Warning, message);
+	public static void EmitWarning(this IBlockExtension block, string message) => Emit(block, Severity.Warning, message);
 
-	public static void EmitHint(this IBlockExtension block, string message) => EmitDiagnostic(block, Severity.Hint, message);
+	public static void EmitHint(this IBlockExtension block, string message) => Emit(block, Severity.Hint, message);
 
-	private static void EmitDiagnostic(IBlockExtension block, Severity severity, string message, Exception? e = null)
+	public static void Emit(this IBlockExtension block, Severity severity, string message, Exception? e = null)
 	{
 		if (block.SkipValidation)
 			return;
@@ -102,7 +102,7 @@ private static void EmitDiagnostic(IBlockExtension block, Severity severity, str
 	}
 
 
-	private static void LinkDiagnostic(InlineProcessor processor, Severity severity, Inline inline, int length, string message, Exception? e = null)
+	public static void Emit(this InlineProcessor processor, Severity severity, Inline inline, int length, string message, Exception? e = null)
 	{
 		var line = inline.Line + 1;
 		var column = inline.Column;
@@ -123,20 +123,20 @@ private static void LinkDiagnostic(InlineProcessor processor, Severity severity,
 	}
 
 	public static void EmitError(this InlineProcessor processor, LinkInline inline, string message) =>
-		LinkDiagnostic(processor, Severity.Error, inline, inline.Url?.Length ?? 1, message);
+		Emit(processor, Severity.Error, inline, inline.Url?.Length ?? 1, message);
 
 	public static void EmitWarning(this InlineProcessor processor, LinkInline inline, string message) =>
-		LinkDiagnostic(processor, Severity.Warning, inline, inline.Url?.Length ?? 1, message);
+		Emit(processor, Severity.Warning, inline, inline.Url?.Length ?? 1, message);
 
 	public static void EmitHint(this InlineProcessor processor, LinkInline inline, string message) =>
-		LinkDiagnostic(processor, Severity.Hint, inline, inline.Url?.Length ?? 1, message);
+		Emit(processor, Severity.Hint, inline, inline.Url?.Length ?? 1, message);
 
 	public static void EmitError(this InlineProcessor processor, Inline inline, int length, string message, Exception? e = null) =>
-		LinkDiagnostic(processor, Severity.Error, inline, length, message, e);
+		Emit(processor, Severity.Error, inline, length, message, e);
 
 	public static void EmitWarning(this InlineProcessor processor, Inline inline, int length, string message) =>
-		LinkDiagnostic(processor, Severity.Warning, inline, length, message);
+		Emit(processor, Severity.Warning, inline, length, message);
 
 	public static void EmitHint(this InlineProcessor processor, Inline inline, int length, string message) =>
-		LinkDiagnostic(processor, Severity.Hint, inline, length, message);
+		Emit(processor, Severity.Hint, inline, length, message);
 }

src/Elastic.Markdown/IO/MarkdownFile.cs

@@ -320,6 +320,12 @@ private YamlFrontMatter ProcessYamlFrontMatter(MarkdownDocument document)
 		var raw = string.Join(Environment.NewLine, yaml.Lines.Lines);
 		var fm = ReadYamlFrontMatter(raw);
 
+		if (fm.AppliesTo?.Diagnostics is not null)
+		{
+			foreach (var (severity, message) in fm.AppliesTo.Diagnostics)
+				Collector.Emit(severity, FilePath, message);
+		}
+
 		// TODO remove when migration tool and our demo content sets are updated
 		var deprecatedTitle = fm.Title;
 		if (!string.IsNullOrEmpty(deprecatedTitle))

src/Elastic.Markdown/Myst/CodeBlocks/EnhancedCodeBlockParser.cs

@@ -126,11 +126,11 @@ private static void ProcessAppliesToDirective(AppliesToDirective appliesToDirect
 		{
 			var applicableTo = YamlSerialization.Deserialize<ApplicableTo>(yaml);
 			appliesToDirective.AppliesTo = applicableTo;
-			if (appliesToDirective.AppliesTo.Warnings is null)
+			if (appliesToDirective.AppliesTo.Diagnostics is null)
 				return;
-			foreach (var warning in appliesToDirective.AppliesTo.Warnings)
-				appliesToDirective.EmitWarning(warning);
-			applicableTo.Warnings = null;
+			foreach (var (severity, message) in appliesToDirective.AppliesTo.Diagnostics)
+				appliesToDirective.Emit(severity, message);
+			applicableTo.Diagnostics = null;
 		}
 		catch (Exception e)
 		{

src/Elastic.Markdown/Myst/FrontMatter/Applicability.cs

@@ -6,6 +6,7 @@
 using System.Diagnostics.CodeAnalysis;
 using System.Text;
 using Elastic.Documentation;
+using Elastic.Documentation.Diagnostics;
 using YamlDotNet.Serialization;
 
 namespace Elastic.Markdown.Myst.FrontMatter;
@@ -17,7 +18,7 @@ public record AppliesCollection : IReadOnlyCollection<Applicability>
 	public AppliesCollection(Applicability[] items) => _items = items;
 
 	// <lifecycle> [version]
-	public static bool TryParse(string? value, out AppliesCollection? availability)
+	public static bool TryParse(string? value, IList<(Severity, string)> diagnostics, out AppliesCollection? availability)
 	{
 		availability = null;
 		if (string.IsNullOrWhiteSpace(value) || string.Equals(value.Trim(), "all", StringComparison.InvariantCultureIgnoreCase))
@@ -30,7 +31,7 @@ public static bool TryParse(string? value, out AppliesCollection? availability)
 		var applications = new List<Applicability>(items.Length);
 		foreach (var item in items)
 		{
-			if (Applicability.TryParse(item.Trim(), out var a))
+			if (Applicability.TryParse(item.Trim(), diagnostics, out var a))
 				applications.Add(a);
 		}
 
@@ -64,7 +65,10 @@ public override int GetHashCode()
 
 	public static explicit operator AppliesCollection(string b)
 	{
-		var productAvailability = TryParse(b, out var version) ? version : null;
+		var diagnostics = new List<(Severity, string)>();
+		var productAvailability = TryParse(b, diagnostics, out var version) ? version : null;
+		if (diagnostics.Count > 0)
+			throw new ArgumentException("Explicit conversion from string to AppliesCollection failed." + string.Join(Environment.NewLine, diagnostics));
 		return productAvailability ?? throw new ArgumentException($"'{b}' is not a valid applicability string array.");
 	}
 
@@ -112,6 +116,7 @@ public string GetLifeCycleName() =>
 			ProductLifecycle.Discontinued => "Discontinued",
 			ProductLifecycle.Unavailable => "Unavailable",
 			ProductLifecycle.GenerallyAvailable => "GA",
+			ProductLifecycle.Removed => "Removed",
 			_ => throw new ArgumentOutOfRangeException(nameof(Lifecycle), Lifecycle, null)
 		};
 
@@ -131,6 +136,7 @@ public override string ToString()
 			ProductLifecycle.Discontinued => "discontinued",
 			ProductLifecycle.Unavailable => "unavailable",
 			ProductLifecycle.GenerallyAvailable => "ga",
+			ProductLifecycle.Removed => "removed",
 			_ => throw new ArgumentOutOfRangeException()
 		};
 		_ = sb.Append(lifecycle);
@@ -141,11 +147,14 @@ public override string ToString()
 
 	public static explicit operator Applicability(string b)
 	{
-		var productAvailability = TryParse(b, out var version) ? version : TryParse(b + ".0", out version) ? version : null;
+		var diagnostics = new List<(Severity, string)>();
+		var productAvailability = TryParse(b, diagnostics, out var version) ? version : TryParse(b + ".0", diagnostics, out version) ? version : null;
+		if (diagnostics.Count > 0)
+			throw new ArgumentException("Explicit conversion from string to AppliesCollection failed." + string.Join(Environment.NewLine, diagnostics));
 		return productAvailability ?? throw new ArgumentException($"'{b}' is not a valid applicability string.");
 	}
 
-	public static bool TryParse(string? value, [NotNullWhen(true)] out Applicability? availability)
+	public static bool TryParse(string? value, IList<(Severity, string)> diagnostics, [NotNullWhen(true)] out Applicability? availability)
 	{
 		if (string.IsNullOrWhiteSpace(value) || string.Equals(value.Trim(), "all", StringComparison.InvariantCultureIgnoreCase))
 		{
@@ -160,22 +169,30 @@ public static bool TryParse(string? value, [NotNullWhen(true)] out Applicability
 			return false;
 		}
 
-		var lifecycle = tokens[0].ToLowerInvariant() switch
+		var lookup = tokens[0].ToLowerInvariant();
+		var lifecycle = lookup switch
 		{
 			"preview" => ProductLifecycle.TechnicalPreview,
 			"tech-preview" => ProductLifecycle.TechnicalPreview,
 			"beta" => ProductLifecycle.Beta,
+			"ga" => ProductLifecycle.GenerallyAvailable,
+			"deprecated" => ProductLifecycle.Deprecated,
+			"removed" => ProductLifecycle.Removed,
+			"unavailable" => ProductLifecycle.Unavailable,
+
+			// OBSOLETE should be removed once docs are cleaned up
 			"dev" => ProductLifecycle.Development,
 			"development" => ProductLifecycle.Development,
-			"deprecated" => ProductLifecycle.Deprecated,
 			"coming" => ProductLifecycle.Planned,
 			"planned" => ProductLifecycle.Planned,
 			"discontinued" => ProductLifecycle.Discontinued,
-			"unavailable" => ProductLifecycle.Unavailable,
-			"ga" => ProductLifecycle.GenerallyAvailable,
 			_ => throw new Exception($"Unknown product lifecycle: {tokens[0]}")
 		};
 
+		// TODO emit as error when all docs have been updated
+		if (lifecycle is ProductLifecycle.Planned or ProductLifecycle.Deprecated or ProductLifecycle.Development)
+			diagnostics.Add((Severity.Hint, $"The '{lookup}' lifecycle is deprecated and will be removed in a future release."));
+
 		var version = tokens.Length < 2
 			? null
 			: tokens[1] switch