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cc/app/sbin/getContainers
2025-08-10 17:43:04 -03:00

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#!/bin/bash
# Collect running container IDs
container_ids=$(docker ps -q)
# Start JSON array
echo "["
first=true
for cid in $container_ids; do
# Get basic info
name=$(docker inspect --format '{{.Name}}' "$cid" | sed 's/^\/\(.*\)/\1/')
image=$(docker inspect --format '{{.Config.Image}}' "$cid")
container_id=$(docker inspect --format '{{.Id}}' "$cid")
# RAM usage in bytes (from docker stats)
mem_usage=$(docker stats --no-stream --format "{{.MemUsage}}" "$cid")
# mem_usage looks like "12.34MiB / 1.944GiB" — extract the used part
mem_used=$(echo "$mem_usage" | awk '{print $1}')
# Convert mem_used to MiB as a number
# Support KiB, MiB, GiB units
ram_usage=$(echo "$mem_used" | awk '
{
val = substr($0, 1, length($0)-3)
unit = substr($0, length($0)-2, 3)
if (unit == "KiB") print val / 1024
else if (unit == "MiB") print val
else if (unit == "GiB") print val * 1024
else print 0
}')
# Traefik labels (extract labels JSON)
labels=$(docker inspect --format '{{json .Config.Labels}}' "$cid" | jq -r 'to_entries | map(select(.key | test("^traefik.*"))) | map({(.key): .value}) | add')
# Comma between JSON objects
if [ "$first" = false ]; then
echo ","
fi
first=false
# Output JSON object
jq -n \
--arg name "$name" \
--arg id "$container_id" \
--arg image "$image" \
--argjson ram "$ram_usage" \
--argjson tags "$labels" \
'{
name: $name,
id: $id,
image: $image,
ram_mb: $ram,
traefik_tags: $tags
}'
done
# End JSON array
echo "]"