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cmd/tailscale, ipn/ipnlocal: add debug command to write to StateStore for dev

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Not for end users (unless directed by support). Mostly for ease of
development for some upcoming webserver work.

Change-Id: I43acfed217514567acb3312367b24d620e739f88
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick
2022-11-07 13:04:10 -08:00
committed by Brad Fitzpatrick
parent bf2d3cd074
commit 5bb7e0307c
4 changed files with 67 additions and 0 deletions
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18
ipn/localapi/localapi.go
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@ -61,6 +61,7 @@ var handler = map[string]localAPIHandler{
"component-debug-logging": (*Handler).serveComponentDebugLogging,
"debug": (*Handler).serveDebug,
"derpmap": (*Handler).serveDERPMap,
"dev-set-state-store": (*Handler).serveDevSetStateStore,
"dial": (*Handler).serveDial,
"file-targets": (*Handler).serveFileTargets,
"goroutines": (*Handler).serveGoroutines,
@ -401,6 +402,23 @@ func (h *Handler) serveDebug(w http.ResponseWriter, r *http.Request) {
io.WriteString(w, "done\n")
}
func (h *Handler) serveDevSetStateStore(w http.ResponseWriter, r *http.Request) {
if !h.PermitWrite {
http.Error(w, "debug access denied", http.StatusForbidden)
return
}
if r.Method != "POST" {
http.Error(w, "POST required", http.StatusMethodNotAllowed)
return
}
if err := h.b.SetDevStateStore(r.FormValue("key"), r.FormValue("value")); err != nil {
http.Error(w, err.Error(), 500)
return
}
w.Header().Set("Content-Type", "text/plain")
io.WriteString(w, "done\n")
}
func (h *Handler) serveComponentDebugLogging(w http.ResponseWriter, r *http.Request) {
if !h.PermitWrite {
http.Error(w, "debug access denied", http.StatusForbidden)