ploughshares/restart_containers.sh

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#!/bin/bash
# Restart docker-compose stack (or selected services) and log output.
# Usage:
# ./restart_containers.sh [service1 service2 ...]
#
# Env vars:
# COMPOSE_FILE: override compose file (default: docker-compose.yml)
set -euo pipefail
REPO_DIR="$(cd "$(dirname "$0")" && pwd)"
LOG_DIR="$REPO_DIR/logs"
mkdir -p "$LOG_DIR"
timestamp() {
date +"%Y-%m-%d %H:%M:%S%z"
}
echo "[$(timestamp)] Starting restart_containers.sh" | tee -a "$LOG_DIR/restart.log"
# Detect compose command
detect_compose_cmd() {
if command -v docker >/dev/null 2>&1; then
if docker compose version >/dev/null 2>&1; then
echo "docker compose"
return 0
fi
fi
if command -v docker-compose >/dev/null 2>&1; then
echo "docker-compose"
return 0
fi
echo "[$(timestamp)] ERROR: Neither 'docker compose' nor 'docker-compose' found in PATH" | tee -a "$LOG_DIR/restart.log"
exit 1
}
COMPOSE_CMD=$(detect_compose_cmd)
COMPOSE_FILE_PATH=${COMPOSE_FILE:-docker-compose.yml}
if [ ! -f "$REPO_DIR/$COMPOSE_FILE_PATH" ]; then
echo "[$(timestamp)] ERROR: Compose file not found: $REPO_DIR/$COMPOSE_FILE_PATH" | tee -a "$LOG_DIR/restart.log"
exit 1
fi
cd "$REPO_DIR"
SERVICES=("$@")
if [ ${#SERVICES[@]} -eq 0 ]; then
echo "[$(timestamp)] Restarting full stack using $COMPOSE_FILE_PATH" | tee -a "$LOG_DIR/restart.log"
set +e
$COMPOSE_CMD -f "$COMPOSE_FILE_PATH" down >>"$LOG_DIR/restart.log" 2>&1
DOWN_STATUS=$?
set -e
echo "[$(timestamp)] docker compose down exit status: $DOWN_STATUS" | tee -a "$LOG_DIR/restart.log"
$COMPOSE_CMD -f "$COMPOSE_FILE_PATH" up -d >>"$LOG_DIR/restart.log" 2>&1
echo "[$(timestamp)] Stack brought up" | tee -a "$LOG_DIR/restart.log"
else
echo "[$(timestamp)] Restarting services: ${SERVICES[*]} using $COMPOSE_FILE_PATH" | tee -a "$LOG_DIR/restart.log"
$COMPOSE_CMD -f "$COMPOSE_FILE_PATH" restart "${SERVICES[@]}" >>"$LOG_DIR/restart.log" 2>&1
echo "[$(timestamp)] Services restarted" | tee -a "$LOG_DIR/restart.log"
fi
echo "[$(timestamp)] Completed restart_containers.sh" | tee -a "$LOG_DIR/restart.log"