debash: Add solana-gossip get-rpc-url command to avoid hard coding (#5513)

multinode-demo/replicator.sh

@@ -56,7 +56,7 @@ done
 : "${storage_keypair:="$SOLANA_ROOT"/farf/replicator-storage-keypair"$label".json}"
 ledger="$SOLANA_ROOT"/farf/replicator-ledger"$label"
 
-rpc_url=$("$here"/rpc-url.sh "$entrypoint")
+rpc_url=$($solana_gossip get-rpc-url --entrypoint "$entrypoint")
 
 if [[ ! -r $identity_keypair ]]; then
   $solana_keygen new -o "$identity_keypair"

multinode-demo/rpc-url.sh

@@ -1,14 +0,0 @@
-#!/usr/bin/env bash
-#
-# Given a gossip entrypoint derive the entrypoint's RPC address
-#
-
-entrypoint_address=$1
-if [[ -z $entrypoint_address ]]; then
-  echo "Error: entrypoint address not specified" >&2
-  exit 1
-fi
-
-# TODO: Rather than hard coding, add a `solana-gossip rpc-address` command that
-#       actually asks the entrypoint itself for its RPC address
-echo "http://${entrypoint_address%:*}:8899"

multinode-demo/validator.sh

@@ -175,7 +175,7 @@ else
     gossip_entrypoint="$entrypoint_hostname":8001
   fi
 fi
-rpc_url=$("$here"/rpc-url.sh "$gossip_entrypoint")
+
 drone_address="${gossip_entrypoint%:*}":9900
 
 : "${identity_keypair_path:=$ledger_dir/identity-keypair.json}"
@@ -291,6 +291,7 @@ setup_validator_accounts() {
 }
 
 while true; do
+  rpc_url=$($solana_gossip get-rpc-url --entrypoint "$gossip_entrypoint")
   if new_genesis_block; then
     # If the genesis block has changed remove the now stale ledger and start all
     # over again