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1961c6543b
Add an Error field to MapResponse to allow the control server to communicate errors to clients in a structured way. The error includes a machine-readable code and a human-readable message. This enables clients to programmatically handle specific error conditions. The immediate use case is returning an explicit error when a node is not found on the tailnet, so that a message can be sent on the ipn bus to inform the client. Updates #18830 Signed-off-by: chaosinthecrd <tom@tmlabs.co.uk>
47 lines
1.9 KiB
Go
47 lines
1.9 KiB
Go
// Copyright (c) Tailscale Inc & contributors
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// SPDX-License-Identifier: BSD-3-Clause
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// Package tsconst exports some constants used elsewhere in the
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// codebase.
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package tsconst
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// WintunInterfaceDesc is the description attached to Tailscale
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// interfaces on Windows. This is set by the WinTun driver.
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const WintunInterfaceDesc = "Tailscale Tunnel"
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const WintunInterfaceDesc0_14 = "Wintun Userspace Tunnel"
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// TailnetLockNotTrustedMsg is the error message used by network lock
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// and sniffed (via substring) out of an error sent over the network.
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const TailnetLockNotTrustedMsg = "this node is not trusted by network lock"
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// MapResponseErrorCode is a unique string identifier for map response errors.
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type MapResponseErrorCode string
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// ErrCodeNodeNotFound indicates that the requested node was not found
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// in the control plane database.
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const ErrCodeNodeNotFound MapResponseErrorCode = "node-not-found"
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// ErrCodeInvalidRequest indicates that the client sent a malformed
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// or invalid request.
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const ErrCodeInvalidRequest MapResponseErrorCode = "invalid-request"
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// ErrCodeInternalError indicates that an internal server error
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// occurred while processing the request.
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const ErrCodeInternalError MapResponseErrorCode = "internal-error"
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// ErrCodeMaintenanceMode indicates that the server is currently
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// in maintenance mode and cannot process requests.
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const ErrCodeMaintenanceMode MapResponseErrorCode = "maintenance-mode"
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// ErrCodeRequestSuperseded indicates that the request was replaced
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// by a newer request from the same client before it could complete.
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const ErrCodeRequestSuperseded MapResponseErrorCode = "request-superseded"
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// ErrCodeUserNotFound indicates that the requested user was not found
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// in the control plane database.
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const ErrCodeUserNotFound MapResponseErrorCode = "user-not-found"
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// ErrCodeUnauthorized indicates that the client is not authorized
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// to perform the requested operation.
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const ErrCodeUnauthorized MapResponseErrorCode = "unauthorized"
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