feat: update scripts to use env vars

- bitcoind entrypoint set chain value
- bitcoind healthcheck fix cli parameter
- lightning entrypoint script
- lightning health script
- prepend chain in bitcoin.conf

Signed-off-by: Lakshya Singh <lakshay.singh1108@gmail.com>

bitcoind/entrypoint.sh

@@ -1,7 +1,8 @@
 #!/bin/sh
 set -e
 
-cp -u /bitcoin.conf $BITCOIN_DATA/
+cp /bitcoin.conf $BITCOIN_DATA/
+sed -i "1s/^/chain=$BITCOIN_CHAIN\n/" $BITCOIN_DATA/bitcoin.conf
 
 if [ $(echo "$1" | cut -c1) = "-" ]; then
   echo "$0: assuming arguments for bitcoind"
@@ -9,5 +10,11 @@ if [ $(echo "$1" | cut -c1) = "-" ]; then
   set -- bitcoind "$@"
 fi
 
+if [ $(echo "$1" | cut -c1) = "-" ] || [ "$1" = "bitcoind" ]; then
+  echo "$0: setting chain to $BITCOIN_CHAIN"
+
+  set -- "$@" -chain=$BITCOIN_CHAIN
+fi
+
 echo
-exec "$@"
+exec "$@"

bitcoind/healthcheck.sh

@@ -1 +1 @@
-bitcoin-cli --chain=$BITCOIN_CHAIN getblockchaininfo
+bitcoin-cli -chain=$BITCOIN_CHAIN getblockchaininfo

docker-compose.yml

@@ -22,7 +22,7 @@ services:
     image: lightningd
     container_name: lightningd-test
     command:
-      - --conf=/home/lightning/.lightning/test-config
+      - --conf=/home/lightning/.lightning/testnet-config
       - --bitcoin-rpcconnect=bitcoind
     volumes:
       - clightning:/home/lightning/.lightning
@@ -35,7 +35,7 @@ services:
         condition: service_healthy
         restart: true
     env_file:
-      - ./assets/test-env
+      - ./assets/testnet-env
     environment:
       - BITCOIN_CHAIN=test
 

lightningd/Dockerfile

@@ -75,8 +75,6 @@ ENV LIGHTNINGD_DATA=${LIGHTNINGD_HOME}/.lightning \
     LIGHTNINGD_PORT=9735 \
     BITCOIND_HOME=/root/.bitcoin
 
-COPY lightningd/entrypoint.sh /entrypoint.sh
-
 COPY --from=builder /usr/bin/lightningd /usr/bin/
 COPY --from=builder /usr/bin/lightning-cli /usr/bin/
 COPY --from=builder /usr/bin/lightning-hsmtool /usr/bin/
@@ -87,8 +85,15 @@ COPY --from=builder /usr/bin/clboss /usr/bin/clboss
 
 RUN addgroup -S lightning && adduser -S lightning -G lightning && \
     mkdir -p ${LIGHTNINGD_DATA} && \
-    touch ${LIGHTNINGD_DATA}/config && \
+    chown -R lightning:lightning ${LIGHTNINGD_DATA}
-    chown -R lightning:lightning "${LIGHTNINGD_DATA}"
+
+COPY assets/bitcoin.conf "${BITCOIND_HOME}"/bitcoin.conf
+
+COPY lightningd/entrypoint.sh /entrypoint.sh
+RUN chmod +x /entrypoint.sh
+
+COPY lightningd/healthcheck.sh /healthcheck.sh
+RUN chmod +x /healthcheck.sh
 
 VOLUME ["${LIGHTNINGD_DATA}"]
 
@@ -102,8 +107,8 @@ COPY assets/main-config /main-config
 
 USER lightning
 
-HEALTHCHECK --interval=30s --timeout=10s --start-period=30s \
+HEALTHCHECK --interval=10s --timeout=10s --start-period=15s \
-    CMD lighting-cli --testnet getinfo
+    CMD ["/bin/sh", "-c", "/healthcheck.sh"]
 
 ENTRYPOINT ["/entrypoint.sh"]
 CMD ["lightningd"]

lightningd/healthcheck.sh

@@ -0,0 +1,15 @@
+#!/bin/sh
+
+set -ex
+
+LIGHTNING_NETWORK=""
+
+case $BITCOIN_CHAIN in
+    "test")    LIGHTNING_NETWORK=testnet ;;
+    "regtest") LIGHTNING_NETWORK=regtest ;;
+    "main")    LIGHTNING_NETWORK=bitcoin ;;
+    "signet")  LIGHTNING_NETWORK=signet ;;
+    *) echo "Invalid BITCOIN_CHAIN value: $BITCOIN_CHAIN" && exit 1 ;;
+esac
+
+lightning-cli --network $LIGHTNING_NETWORK getinfo