Use mounted volumes for data in lighthouse nodes

app/data/compose/docker-compose-fixturenet-eth.yml

@@ -63,6 +63,8 @@ services:
     environment:
       RUN_BOOTNODE: "true"
     image: cerc/fixturenet-eth-lighthouse:local
+    volumes:
+      - fixturenet_eth_bootnode_data:/opt/testnet/build/cl/bootnode
 
   fixturenet-eth-lighthouse-1:
     hostname: fixturenet-eth-lighthouse-1
@@ -79,6 +81,8 @@ services:
       ETH1_ENDPOINT: "http://fixturenet-eth-geth-1:8545"
       EXECUTION_ENDPOINT: "http://fixturenet-eth-geth-1:8551"
     image: cerc/fixturenet-eth-lighthouse:local
+    volumes:
+      - fixturenet_eth_lighthouse_1_data:/opt/testnet/build/cl/node_1
     depends_on:
       fixturenet-eth-bootnode-lighthouse:
         condition: service_started
@@ -103,6 +107,8 @@ services:
       EXECUTION_ENDPOINT: "http://fixturenet-eth-geth-2:8551"
       LIGHTHOUSE_GENESIS_STATE_URL: "http://fixturenet-eth-lighthouse-1:8001/eth/v2/debug/beacon/states/0"
     image: cerc/fixturenet-eth-lighthouse:local
+    volumes:
+      - fixturenet_eth_lighthouse_2_data:/opt/testnet/build/cl/node_2
     depends_on:
       fixturenet-eth-bootnode-lighthouse:
         condition: service_started
@@ -114,3 +120,6 @@ volumes:
   bootnode_geth_data:
   fixturenet_eth_geth_1_data:
   fixturenet_eth_geth_2_data:
+  fixturenet_eth_bootnode_data:
+  fixturenet_eth_lighthouse_1_data:
+  fixturenet_eth_lighthouse_2_data:

app/data/container-build/cerc-fixturenet-eth-lighthouse/genesis/cl/bootnode.sh

@@ -21,14 +21,21 @@ if [ ! -f "$DATADIR/bootnode/enr.dat" ]; then
     --udp-port $BOOTNODE_PORT \
     --tcp-port $BOOTNODE_PORT \
     --genesis-fork-version $GENESIS_FORK_VERSION \
-    --output-dir $DATADIR/bootnode
+    --output-dir $DATADIR/bootnode-temp
 
-    bootnode_enr=`cat $DATADIR/bootnode/enr.dat`
-    echo "- $bootnode_enr" > $TESTNET_DIR/boot_enr.yaml
-    
-    echo "Generated bootnode enr and written to $TESTNET_DIR/boot_enr.yaml"
+  # Output ENR to a temp dir and mv as "lcli generate-bootnode-enr" will not overwrite an empty dir (mounted volume)
+  mv $DATADIR/bootnode-temp/* $DATADIR/bootnode
+  rm -r $DATADIR/bootnode-temp
+
+  echo "Generated bootnode enr"
+else
+  echo "Found existing bootnode enr"
 fi
 
+bootnode_enr=`cat $DATADIR/bootnode/enr.dat`
+echo "- $bootnode_enr" > $TESTNET_DIR/boot_enr.yaml
+echo "Written bootnode enr to $TESTNET_DIR/boot_enr.yaml"
+
 exec lighthouse boot_node \
     --testnet-dir $TESTNET_DIR \
     --port $BOOTNODE_PORT \

app/data/container-build/cerc-fixturenet-eth-lighthouse/run-cl.sh

@@ -1,6 +1,6 @@
 #!/bin/bash
 
-if [ "true" == "$RUN_BOOTNODE" ]; then 
+if [ "true" == "$RUN_BOOTNODE" ]; then
     cd /opt/testnet/build/cl
     python3 -m http.server 3000 &
 
@@ -25,6 +25,7 @@ else
     cd /opt/testnet/cl
 
     if [ -z "$LIGHTHOUSE_GENESIS_STATE_URL" ]; then
+        # TODO Avoid on a restart
         ./reset_genesis_time.sh
     else
         while [ 1 -eq 1 ]; do