StakeSquid/ethereum-rpc-docker
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show-ram.sh: Show all containers when no node_path given

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- Without argument: shows all containers sorted by RAM, total container RAM, server RAM
- With argument: shows RAM for specific node only

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
rob
2026-02-07 09:38:49 +00:00
parent 433bb6f341
commit 9ce4b5cd0a
1 changed files with 70 additions and 38 deletions
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108
show-ram.sh
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@@ -1,53 +1,85 @@
#!/bin/bash
# Show RAM usage for containers in a compose file
# Usage: ./show-ram.sh <compose-file-name>
# Example: ./show-ram.sh ethereum-mainnet-geth-archive
# Show RAM usage for containers
# Usage: ./show-ram.sh [compose-file-name]
# Without argument: shows all containers and total server RAM
# With argument: shows containers for specific node
BASEPATH="$(dirname "$0")"
COMPOSE_NAME="$1"
# Function to calculate and print total from container IDs
calc_total() {
local container_ids="$1"
local total_mib=$(docker stats --no-stream --format "{{.MemUsage}}" $container_ids | \
awk -F'/' '{
val=$1;
gsub(/[^0-9.]/,"",val);
if($1 ~ /GiB/) val*=1024;
sum+=val
} END {printf "%.0f", sum}')
if [ "$total_mib" -ge 1024 ] 2>/dev/null; then
local total_gib=$(echo "scale=2; $total_mib / 1024" | bc)
echo "${total_gib} GiB"
else
echo "${total_mib} MiB"
fi
}
if [ -z "$COMPOSE_NAME" ]; then
echo "Usage: ./show-ram.sh <compose-file-name>"
echo "Example: ./show-ram.sh ethereum-mainnet-geth-archive"
exit 1
fi
# No argument: show all containers grouped by compose project
echo "RAM usage for all nodes:"
echo "========================================"
COMPOSE_FILE="${BASEPATH}/${COMPOSE_NAME}.yml"
# Get all running containers
ALL_CONTAINERS=$(docker ps -q 2>/dev/null)
if [ ! -f "$COMPOSE_FILE" ]; then
echo "Error: Compose file not found: $COMPOSE_FILE"
exit 1
fi
if [ -z "$ALL_CONTAINERS" ]; then
echo "No running containers found"
exit 0
fi
# Get container IDs for this compose project
CONTAINER_IDS=$(docker compose -f "$COMPOSE_FILE" ps -q 2>/dev/null)
# Show stats for all containers, sorted by memory usage (descending)
docker stats --no-stream --format "table {{.Name}}\t{{.MemUsage}}\t{{.MemPerc}}" $ALL_CONTAINERS | \
head -1
docker stats --no-stream --format "{{.Name}}\t{{.MemUsage}}\t{{.MemPerc}}" $ALL_CONTAINERS | \
sort -t$'\t' -k2 -h -r
if [ -z "$CONTAINER_IDS" ]; then
echo "No running containers found for $COMPOSE_NAME"
exit 0
fi
echo "========================================"
echo "RAM usage for $COMPOSE_NAME:"
echo "----------------------------------------"
# Calculate total
echo -n "Total container RAM: "
calc_total "$ALL_CONTAINERS"
# Show stats for each container
docker stats --no-stream --format "{{.Name}}\t{{.MemUsage}}\t{{.MemPerc}}" $CONTAINER_IDS
echo "----------------------------------------"
# Calculate total
total_mib=$(docker stats --no-stream --format "{{.MemUsage}}" $CONTAINER_IDS | \
awk -F'/' '{
val=$1;
gsub(/[^0-9.]/,"",val);
if($1 ~ /GiB/) val*=1024;
sum+=val
} END {printf "%.0f", sum}')
if [ "$total_mib" -ge 1024 ]; then
total_gib=$(echo "scale=2; $total_mib / 1024" | bc)
echo "Total: ${total_gib} GiB"
# Show server total RAM
total_server_ram=$(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
echo "Total: ${total_mib} MiB"
# Specific node
COMPOSE_FILE="${BASEPATH}/${COMPOSE_NAME}.yml"
if [ ! -f "$COMPOSE_FILE" ]; then
echo "Error: Compose file not found: $COMPOSE_FILE"
exit 1
fi
# Get container IDs for this compose project
CONTAINER_IDS=$(docker compose -f "$COMPOSE_FILE" ps -q 2>/dev/null)
if [ -z "$CONTAINER_IDS" ]; then
echo "No running containers found for $COMPOSE_NAME"
exit 0
fi
echo "RAM usage for $COMPOSE_NAME:"
echo "----------------------------------------"
# Show stats for each container
docker stats --no-stream --format "{{.Name}}\t{{.MemUsage}}\t{{.MemPerc}}" $CONTAINER_IDS
echo "----------------------------------------"
echo -n "Total: "
calc_total "$CONTAINER_IDS"
fi