|
// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
namespace Aspire.Hosting.Kubernetes.Extensions;
internal static class HelmExtensions
{
private const string DeploymentKey = "deployment";
private const string StatefulSetKey = "statefulset";
private const string ServiceKey = "service";
private const string PvcKey = "pvc";
private const string PvKey = "pv";
private const string ValuesSegment = ".Values";
public const string ParametersKey = "parameters";
public const string SecretsKey = "secrets";
public const string ConfigKey = "config";
public const string TemplateFileSeparator = "---";
/// <summary>
/// Converts the specified resource name into a Helm configuration section name.
/// </summary>
/// <remarks>
/// The section names in Helm values files can not contain hyphens ('-').
/// <see href="link">https://helm.sh/docs/chart_best_practices/values/</see>
/// </remarks>
public static string ToHelmValuesSectionName(this string resourceName)
=> $"{resourceName.Replace("-", "_")}";
public static string ToHelmParameterExpression(this string parameterName, string resourceName)
=> $"{{{{ {ValuesSegment}.{ParametersKey}.{resourceName.ToHelmValuesSectionName()}.{parameterName} }}}}";
public static string ToHelmSecretExpression(this string parameterName, string resourceName)
=> $"{{{{ {ValuesSegment}.{SecretsKey}.{resourceName.ToHelmValuesSectionName()}.{parameterName} }}}}";
public static string ToHelmConfigExpression(this string parameterName, string resourceName)
=> $"{{{{ {ValuesSegment}.{ConfigKey}.{resourceName.ToHelmValuesSectionName()}.{parameterName} }}}}";
/// <summary>
/// Converts the specified resource name into a Kubernetes resource name.
/// </summary>
/// <remarks>
/// Kubernetes resource object names can only contain lowercase alphanumeric characters, '-', and '.'.
/// <see href="link">https://kubernetes.io/docs/concepts/overview/working-with-objects/names/</see>
/// </remarks>
public static string ToKubernetesResourceName(this string resourceName)
=> $"{resourceName.ToLowerInvariant()}";
public static string ToConfigMapName(this string resourceName)
=> $"{resourceName.ToKubernetesResourceName()}-{ConfigKey}";
public static string ToSecretName(this string resourceName)
=> $"{resourceName.ToKubernetesResourceName()}-{SecretsKey}";
public static string ToDeploymentName(this string resourceName)
=> $"{resourceName.ToKubernetesResourceName()}-{DeploymentKey}";
public static string ToStatefulSetName(this string resourceName)
=> $"{resourceName.ToKubernetesResourceName()}-{StatefulSetKey}";
public static string ToServiceName(this string resourceName)
=> $"{resourceName.ToKubernetesResourceName()}-{ServiceKey}";
public static string ToPvcName(this string resourceName, string volumeName)
=> $"{resourceName.ToKubernetesResourceName()}-{volumeName}-{PvcKey}";
public static string ToPvName(this string resourceName, string volumeName)
=> $"{resourceName.ToKubernetesResourceName()}-{volumeName}-{PvKey}";
public static bool ContainsHelmExpression(this string value)
=> value.Contains($"{{{{ {ValuesSegment}.", StringComparison.Ordinal);
public static bool ContainsHelmSecretExpression(this string value)
=> value.Contains($"{{{{ {ValuesSegment}.{SecretsKey}.", StringComparison.Ordinal);
}
|