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clightning: set service as active only after clnrest has started

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Erik Arvstedt 2025-05-20 22:39:28 +02:00
parent 1586a34e90
commit ce6244cc69
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GPG key ID: 33312B944DD97846
1 changed files with 18 additions and 6 deletions
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24
modules/clightning-plugins/clnrest.nix
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@ -54,6 +54,7 @@ let
};
cfg = config.services.clightning.plugins.clnrest;
nbLib = config.nix-bitcoin.lib;
inherit (config.services) clightning;
runePath = "${clightning.networkDir}/admin-rune";
@ -68,11 +69,22 @@ in
clnrest-port=${toString cfg.port}
'';
systemd.services.clightning.postStart = mkIf cfg.createAdminRune (mkAfter ''
if [[ ! -e '${runePath}' ]]; then
rune=$(${clightning.cli}/bin/lightning-cli createrune | ${pkgs.jq}/bin/jq -r .rune)
install -m 640 <(echo "$rune") '${runePath}'
fi
'');
systemd.services.clightning.postStart = mkAfter (
optionalString cfg.createAdminRune ''
if [[ ! -e '${runePath}' ]]; then
rune=$(${clightning.cli}/bin/lightning-cli createrune | ${pkgs.jq}/bin/jq -r .rune)
install -m 640 <(echo "$rune") '${runePath}'
fi
'' +
# Wait until the clnrest server is listening.
# Usually, the server is already listening at this point.
# But when clnrest is running for the first time, certificates are generated
# before the server starts, which can take a few seconds.
''
while ! { exec 3>/dev/tcp/${nbLib.address cfg.address}/${toString cfg.port}; } &>/dev/null; do
sleep 0.1
done
''
);
};
}