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lnd: use postStart option for script 

- set -e is implicit
- coreutils are in PATH and don't have to be explicitly referenced (echo is a shell builtin anyways)
- exit 0 is unneeded ('if' statements never fail)
This commit is contained in:
Erik Arvstedt 2019-11-27 14:04:39 +01:00
parent 86167c6e6d
commit 6e58beae8a
No known key found for this signature in database
GPG Key ID: 33312B944DD97846
1 changed files with 34 additions and 40 deletions
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74
modules/lnd.nix
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@ -26,45 +26,6 @@ let
${cfg.extraConfig}
'';
init-lnd-wallet-script = pkgs.writeScript "init-lnd-wallet.sh" ''
#!/bin/sh
set -e
umask 377
${pkgs.coreutils}/bin/sleep 5
if [ ! -f /secrets/lnd-seed-mnemonic ]
then
${pkgs.coreutils}/bin/echo Creating lnd seed
${pkgs.curl}/bin/curl -s \
--cacert /secrets/lnd_cert \
-X GET https://127.0.0.1:8080/v1/genseed | ${pkgs.jq}/bin/jq -c '.cipher_seed_mnemonic' > /secrets/lnd-seed-mnemonic
fi
if [ ! -f ${cfg.dataDir}/chain/bitcoin/mainnet/wallet.db ]
then
${pkgs.coreutils}/bin/echo Creating lnd wallet
${pkgs.curl}/bin/curl -s \
--cacert /secrets/lnd_cert \
-X POST -d "{\"wallet_password\": \"$(${pkgs.coreutils}/bin/cat /secrets/lnd-wallet-password | ${pkgs.coreutils}/bin/tr -d '\n' | ${pkgs.coreutils}/bin/base64 -w0)\", \
\"cipher_seed_mnemonic\": $(${pkgs.coreutils}/bin/cat /secrets/lnd-seed-mnemonic | ${pkgs.coreutils}/bin/tr -d '\n')}" \
https://127.0.0.1:8080/v1/initwallet
else
${pkgs.coreutils}/bin/echo Unlocking lnd wallet
${pkgs.curl}/bin/curl -s \
-H "Grpc-Metadata-macaroon: $(${pkgs.xxd}/bin/xxd -ps -u -c 99999 ${cfg.dataDir}/chain/bitcoin/mainnet/admin.macaroon)" \
--cacert /secrets/lnd_cert \
-X POST \
-d "{\"wallet_password\": \"$(${pkgs.coreutils}/bin/cat /secrets/lnd-wallet-password | ${pkgs.coreutils}/bin/tr -d '\n' | ${pkgs.coreutils}/bin/base64 -w0)\"}" \
https://127.0.0.1:8080/v1/unlockwallet
fi
exit 0
'';
in {
options.services.lnd = {
@ -126,7 +87,6 @@ in {
serviceConfig = {
PermissionsStartOnly = "true";
ExecStart = "${pkgs.nix-bitcoin.lnd}/bin/lnd --configfile=${cfg.dataDir}/lnd.conf";
ExecStartPost = "${pkgs.bash}/bin/bash ${init-lnd-wallet-script}";
User = "lnd";
Restart = "on-failure";
RestartSec = "10s";
@ -135,6 +95,40 @@ in {
then nix-bitcoin-services.allowTor
else nix-bitcoin-services.allowAnyIP
) // nix-bitcoin-services.allowAnyProtocol; # For ZMQ
postStart = ''
umask 377
sleep 5
if [ ! -f /secrets/lnd-seed-mnemonic ]
then
echo Creating lnd seed
${pkgs.curl}/bin/curl -s \
--cacert /secrets/lnd_cert \
-X GET https://127.0.0.1:8080/v1/genseed | ${pkgs.jq}/bin/jq -c '.cipher_seed_mnemonic' > /secrets/lnd-seed-mnemonic
fi
if [ ! -f ${cfg.dataDir}/chain/bitcoin/mainnet/wallet.db ]
then
echo Creating lnd wallet
${pkgs.curl}/bin/curl -s \
--cacert /secrets/lnd_cert \
-X POST -d "{\"wallet_password\": \"$(cat /secrets/lnd-wallet-password | tr -d '\n' |base64 -w0)\", \
\"cipher_seed_mnemonic\": $(cat /secrets/lnd-seed-mnemonic | tr -d '\n')}" \
https://127.0.0.1:8080/v1/initwallet
else
echo Unlocking lnd wallet
${pkgs.curl}/bin/curl -s \
-H "Grpc-Metadata-macaroon: $(${pkgs.xxd}/bin/xxd -ps -u -c 99999 ${cfg.dataDir}/chain/bitcoin/mainnet/admin.macaroon)" \
--cacert /secrets/lnd_cert \
-X POST \
-d "{\"wallet_password\": \"$(cat /secrets/lnd-wallet-password | tr -d '\n' | base64 -w0)\"}" \
https://127.0.0.1:8080/v1/unlockwallet
fi
'';
};
};
}