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cmd/tailscale/cli: add tailscale exit-node suggest --force-probe

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Add a new `--force-probe` flag to `tailscale exit-node suggest` that
waits for a routecheck.Refresh to finish before suggesting an exit
node.

This flag is currently hidden from the help text, but this flag is a
hint to the user that exit-node suggestions are based on routecheck
reachability reports.

Updates #17366
Updates tailscale/corp#33033

Signed-off-by: Simon Law <sfllaw@tailscale.com>
This commit is contained in:
Simon Law
2026-07-02 20:26:27 -07:00
committed by Simon Law
parent 932260511e
commit ca91eafce5
4 changed files with 99 additions and 3 deletions
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client/local/local.go
+14
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@@ -1512,6 +1512,20 @@ func (lc *Client) SuggestExitNode(ctx context.Context) (apitype.ExitNodeSuggesti
return decodeJSON[apitype.ExitNodeSuggestionResponse](body)
}
// SuggestExitNodeWithProbe requests an exit node suggestion based on an immediate routecheck probe,
// waits for the probe to finish, and returns the exit node's details.
func (lc *Client) SuggestExitNodeWithProbe(ctx context.Context) (apitype.ExitNodeSuggestionResponse, error) {
if !buildfeatures.HasRouteCheck {
return apitype.ExitNodeSuggestionResponse{}, feature.ErrUnavailable
}
v := url.Values{"probe": {"true"}}
body, err := lc.send(ctx, "POST", "/localapi/v0/suggest-exit-node?"+v.Encode(), 200, nil)
if err != nil {
return apitype.ExitNodeSuggestionResponse{}, err
}
return decodeJSON[apitype.ExitNodeSuggestionResponse](body)
}
// CheckSOMarkInUse reports whether the socket mark option is in use. This will only
// be true if tailscale is running on Linux and tailscaled uses SO_MARK.
func (lc *Client) CheckSOMarkInUse(ctx context.Context) (bool, error) {