rob
67731beed0
- 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>
125 lines
3.9 KiB
Bash
Executable File
125 lines
3.9 KiB
Bash
Executable File
#!/bin/bash
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# Show RAM usage for containers
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# Usage: ./show-ram.sh [node-path]
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# Without argument: shows RAM per node and total server RAM
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# With argument: shows containers for specific node
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BASEPATH="$(dirname "$0")"
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NODE_PATH="$1"
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# Function to convert memory string to MiB
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to_mib() {
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local val="$1"
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local num=$(echo "$val" | sed 's/[^0-9.]//g')
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if echo "$val" | grep -qi "GiB"; then
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echo "$num * 1024" | bc
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elif echo "$val" | grep -qi "MiB"; then
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echo "$num"
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elif echo "$val" | grep -qi "KiB"; then
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echo "$num / 1024" | bc
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else
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echo "$num"
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fi
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}
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# Function to format MiB to human readable
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format_size() {
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local mib="$1"
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if [ "${mib%.*}" -ge 1024 ] 2>/dev/null; then
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echo "scale=2; $mib / 1024" | bc | xargs printf "%.2f GiB"
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else
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printf "%.0f MiB" "$mib"
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fi
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}
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if [ -z "$NODE_PATH" ]; then
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# No argument: show RAM per node (compose project)
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echo "RAM usage per node:"
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echo "========================================"
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# Find all compose files that have running containers
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declare -A node_ram
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# Get all running containers with their compose project
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while IFS= read -r line; do
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container_id=$(echo "$line" | awk '{print $1}')
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[ -z "$container_id" ] && continue
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# Get compose project label
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project=$(docker inspect "$container_id" --format '{{index .Config.Labels "com.docker.compose.project"}}' 2>/dev/null)
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[ -z "$project" ] && continue
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# Get memory usage
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mem_usage=$(docker stats --no-stream --format "{{.MemUsage}}" "$container_id" 2>/dev/null | awk -F'/' '{print $1}')
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[ -z "$mem_usage" ] && continue
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mem_mib=$(to_mib "$mem_usage")
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# Add to node total
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if [ -z "${node_ram[$project]}" ]; then
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node_ram[$project]="$mem_mib"
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else
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node_ram[$project]=$(echo "${node_ram[$project]} + $mem_mib" | bc)
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fi
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done < <(docker ps --format "{{.ID}}")
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if [ ${#node_ram[@]} -eq 0 ]; then
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echo "No running containers found"
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exit 0
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fi
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# Sort by RAM usage and display
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total_mib=0
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for project in "${!node_ram[@]}"; do
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echo "${node_ram[$project]} $project"
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total_mib=$(echo "$total_mib + ${node_ram[$project]}" | bc)
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done | sort -rn | while read mib name; do
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printf "%-50s %s\n" "$name" "$(format_size $mib)"
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done
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echo "========================================"
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echo "Total container RAM: $(format_size $total_mib)"
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# Show server total RAM
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total_server_ram=$(free -h | awk '/^Mem:/ {print $2}')
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used_server_ram=$(free -h | awk '/^Mem:/ {print $3}')
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echo "Server RAM: ${used_server_ram} / ${total_server_ram}"
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else
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# Specific node - extract compose name from path
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# Handle both "ethereum-mainnet-geth-archive" and "ethereum/geth/ethereum-mainnet-geth-archive"
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COMPOSE_NAME=$(basename "$NODE_PATH")
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COMPOSE_FILE="${BASEPATH}/${COMPOSE_NAME}.yml"
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if [ ! -f "$COMPOSE_FILE" ]; then
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echo "Error: Compose file not found: $COMPOSE_FILE"
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exit 1
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fi
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# Get container IDs for this compose project
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CONTAINER_IDS=$(docker compose -f "$COMPOSE_FILE" ps -q 2>/dev/null)
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if [ -z "$CONTAINER_IDS" ]; then
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echo "No running containers found for $COMPOSE_NAME"
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exit 0
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fi
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echo "RAM usage for $COMPOSE_NAME:"
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echo "----------------------------------------"
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# Show stats for each container
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docker stats --no-stream --format "{{.Name}}\t{{.MemUsage}}\t{{.MemPerc}}" $CONTAINER_IDS
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echo "----------------------------------------"
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# Calculate total
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total_mib=0
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for cid in $CONTAINER_IDS; do
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mem_usage=$(docker stats --no-stream --format "{{.MemUsage}}" "$cid" 2>/dev/null | awk -F'/' '{print $1}')
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mem_mib=$(to_mib "$mem_usage")
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total_mib=$(echo "$total_mib + $mem_mib" | bc)
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done
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echo "Total: $(format_size $total_mib)"
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fi
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