show-ram.sh: Fix node_path handling, group by node

- Fix: handle full path like ethereum/geth/node-name (extract basename)
- Without args: show RAM per node (grouped by compose project), not per container
- Sorted by RAM usage descending

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

show-ram.sh

@@ -1,63 +1,94 @@
 #!/bin/bash
 
 # Show RAM usage for containers
-# Usage: ./show-ram.sh [compose-file-name]
+# Usage: ./show-ram.sh [node-path]
-# Without argument: shows all containers and total server RAM
+# Without argument: shows RAM per node and total server RAM
 # With argument: shows containers for specific node
 
 BASEPATH="$(dirname "$0")"
-COMPOSE_NAME="$1"
+NODE_PATH="$1"
 
-# Function to calculate and print total from container IDs
+# Function to convert memory string to MiB
-calc_total() {
+to_mib() {
-    local container_ids="$1"
+    local val="$1"
-    local total_mib=$(docker stats --no-stream --format "{{.MemUsage}}" $container_ids | \
+    local num=$(echo "$val" | sed 's/[^0-9.]//g')
-        awk -F'/' '{
+    if echo "$val" | grep -qi "GiB"; then
-            val=$1;
+        echo "$num * 1024" | bc
-            gsub(/[^0-9.]/,"",val);
+    elif echo "$val" | grep -qi "MiB"; then
-            if($1 ~ /GiB/) val*=1024;
+        echo "$num"
-            sum+=val
+    elif echo "$val" | grep -qi "KiB"; then
-        } END {printf "%.0f", sum}')
+        echo "$num / 1024" | bc
-
-    if [ "$total_mib" -ge 1024 ] 2>/dev/null; then
-        local total_gib=$(echo "scale=2; $total_mib / 1024" | bc)
-        echo "${total_gib} GiB"
     else
-        echo "${total_mib} MiB"
+        echo "$num"
     fi
 }
 
-if [ -z "$COMPOSE_NAME" ]; then
+# Function to format MiB to human readable
-    # No argument: show all containers grouped by compose project
+format_size() {
-    echo "RAM usage for all nodes:"
+    local mib="$1"
+    if [ "${mib%.*}" -ge 1024 ] 2>/dev/null; then
+        echo "scale=2; $mib / 1024" | bc | xargs printf "%.2f GiB"
+    else
+        printf "%.0f MiB" "$mib"
+    fi
+}
+
+if [ -z "$NODE_PATH" ]; then
+    # No argument: show RAM per node (compose project)
+    echo "RAM usage per node:"
     echo "========================================"
 
-    # Get all running containers
+    # Find all compose files that have running containers
-    ALL_CONTAINERS=$(docker ps -q 2>/dev/null)
+    declare -A node_ram
 
-    if [ -z "$ALL_CONTAINERS" ]; then
+    # Get all running containers with their compose project
+    while IFS= read -r line; do
+        container_id=$(echo "$line" | awk '{print $1}')
+        [ -z "$container_id" ] && continue
+
+        # Get compose project label
+        project=$(docker inspect "$container_id" --format '{{index .Config.Labels "com.docker.compose.project"}}' 2>/dev/null)
+        [ -z "$project" ] && continue
+
+        # Get memory usage
+        mem_usage=$(docker stats --no-stream --format "{{.MemUsage}}" "$container_id" 2>/dev/null | awk -F'/' '{print $1}')
+        [ -z "$mem_usage" ] && continue
+
+        mem_mib=$(to_mib "$mem_usage")
+
+        # Add to node total
+        if [ -z "${node_ram[$project]}" ]; then
+            node_ram[$project]="$mem_mib"
+        else
+            node_ram[$project]=$(echo "${node_ram[$project]} + $mem_mib" | bc)
+        fi
+    done < <(docker ps --format "{{.ID}}")
+
+    if [ ${#node_ram[@]} -eq 0 ]; then
         echo "No running containers found"
         exit 0
     fi
 
-    # Show stats for all containers, sorted by memory usage (descending)
+    # Sort by RAM usage and display
-    docker stats --no-stream --format "table {{.Name}}\t{{.MemUsage}}\t{{.MemPerc}}" $ALL_CONTAINERS | \
+    total_mib=0
-        head -1
+    for project in "${!node_ram[@]}"; do
-    docker stats --no-stream --format "{{.Name}}\t{{.MemUsage}}\t{{.MemPerc}}" $ALL_CONTAINERS | \
+        echo "${node_ram[$project]} $project"
-        sort -t$'\t' -k2 -h -r
+        total_mib=$(echo "$total_mib + ${node_ram[$project]}" | bc)
+    done | sort -rn | while read mib name; do
+        printf "%-50s %s\n" "$name" "$(format_size $mib)"
+    done
 
     echo "========================================"
-
+    echo "Total container RAM: $(format_size $total_mib)"
-    # Calculate total
-    echo -n "Total container RAM: "
-    calc_total "$ALL_CONTAINERS"
 
     # Show server total RAM
     total_server_ram=$(free -h | awk '/^Mem:/ {print $2}')
     used_server_ram=$(free -h | awk '/^Mem:/ {print $3}')
     echo "Server RAM: ${used_server_ram} / ${total_server_ram}"
 else
-    # Specific node
+    # Specific node - extract compose name from path
+    # Handle both "ethereum-mainnet-geth-archive" and "ethereum/geth/ethereum-mainnet-geth-archive"
+    COMPOSE_NAME=$(basename "$NODE_PATH")
     COMPOSE_FILE="${BASEPATH}/${COMPOSE_NAME}.yml"
 
     if [ ! -f "$COMPOSE_FILE" ]; then
@@ -80,6 +111,14 @@ else
     docker stats --no-stream --format "{{.Name}}\t{{.MemUsage}}\t{{.MemPerc}}" $CONTAINER_IDS
 
     echo "----------------------------------------"
-    echo -n "Total: "
+
-    calc_total "$CONTAINER_IDS"
+    # Calculate total
+    total_mib=0
+    for cid in $CONTAINER_IDS; do
+        mem_usage=$(docker stats --no-stream --format "{{.MemUsage}}" "$cid" 2>/dev/null | awk -F'/' '{print $1}')
+        mem_mib=$(to_mib "$mem_usage")
+        total_mib=$(echo "$total_mib + $mem_mib" | bc)
+    done
+
+    echo "Total: $(format_size $total_mib)"
 fi