Joseph Doherty
29 lines
1.2 KiB
C#
29 lines
1.2 KiB
C#
using ZB.MOM.WW.OtOpcUa.Cluster;
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namespace ZB.MOM.WW.OtOpcUa.Host.Configuration;
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/// <summary>
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/// Names the per-role appsettings overlay (<c>appsettings.{suffix}.json</c>) for a node.
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/// </summary>
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/// <remarks>
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/// The suffix is built from the node's PLAIN roles only. <c>cluster-{ClusterId}</c> roles are mesh-membership
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/// tags (and carry a verbatim, operator-chosen ClusterId), not configuration profiles — folding one into the
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/// filename produced names like <c>appsettings.admin-cluster-MAIN-driver.json</c> that never exist, so on every
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/// node with a cluster role the shipped overlays silently never loaded.
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/// </remarks>
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internal static class RoleOverlay
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{
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/// <summary>
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/// The overlay filename suffix: the plain (non-cluster) roles, ordinal-sorted and joined with <c>-</c>, or
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/// <see langword="null"/> when the node has none.
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/// </summary>
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public static string? Suffix(IReadOnlyList<string> gossipedRoles)
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{
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var plain = gossipedRoles
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.Where(r => !string.IsNullOrWhiteSpace(r) && !RoleParser.IsClusterRole(r))
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.OrderBy(r => r, StringComparer.Ordinal)
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.ToList();
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return plain.Count == 0 ? null : string.Join('-', plain);
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}
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}
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