#!/bin/bash
set -e
# Container-MCP Log Viewer Script
# This script provides various options for viewing Container-MCP logs
echo "=== Container-MCP Log Viewer ==="
# Check if podman or docker is installed
if command -v podman &> /dev/null; then
CONTAINER_CMD="podman"
echo "Using Podman for container operations."
elif command -v docker &> /dev/null; then
CONTAINER_CMD="docker"
echo "Using Docker for container operations."
else
echo "Neither Podman nor Docker found. Please install one of them and try again."
exit 1
fi
# Container name
CONTAINER_NAME="container-mcp"
# Check if container exists
CONTAINER_EXISTS=$(${CONTAINER_CMD} ps -a --filter "name=${CONTAINER_NAME}" --format "{{.Names}}" 2>/dev/null || echo "")
if [ -z "$CONTAINER_EXISTS" ]; then
echo "Container ${CONTAINER_NAME} does not exist. Please run bin/04-run-container.sh first."
exit 1
fi
# Parse command line arguments
FOLLOW=false
LINES=""
SINCE=""
TIMESTAMPS=false
# Display usage information
show_usage() {
echo "Usage: $0 [options]"
echo ""
echo "Options:"
echo " -f, --follow Follow log output (live tail)"
echo " -n, --lines NUM Show last NUM lines (default: all)"
echo " -s, --since TIME Show logs since timestamp (e.g., '2h', '2023-01-01T00:00:00')"
echo " -t, --timestamps Show timestamps"
echo " -h, --help Show this help message"
echo ""
echo "Examples:"
echo " $0 Show all logs"
echo " $0 -f Follow logs in real-time"
echo " $0 -n 50 Show last 50 lines"
echo " $0 -f -t Follow logs with timestamps"
echo " $0 -s 1h Show logs from last hour"
}
# Parse arguments
while [[ $# -gt 0 ]]; do
case $1 in
-f|--follow)
FOLLOW=true
shift
;;
-n|--lines)
LINES="$2"
shift 2
;;
-s|--since)
SINCE="$2"
shift 2
;;
-t|--timestamps)
TIMESTAMPS=true
shift
;;
-h|--help)
show_usage
exit 0
;;
*)
echo "Unknown option: $1"
show_usage
exit 1
;;
esac
done
# Build the logs command
LOGS_CMD="${CONTAINER_CMD} logs"
if [ "$FOLLOW" = true ]; then
LOGS_CMD="$LOGS_CMD --follow"
fi
if [ -n "$LINES" ]; then
LOGS_CMD="$LOGS_CMD --tail $LINES"
fi
if [ -n "$SINCE" ]; then
LOGS_CMD="$LOGS_CMD --since $SINCE"
fi
if [ "$TIMESTAMPS" = true ]; then
LOGS_CMD="$LOGS_CMD --timestamps"
fi
LOGS_CMD="$LOGS_CMD $CONTAINER_NAME"
# Check if container is running for live logs
if [ "$FOLLOW" = true ]; then
CONTAINER_RUNNING=$(${CONTAINER_CMD} ps --filter "name=${CONTAINER_NAME}" --format "{{.Names}}" 2>/dev/null || echo "")
if [ -z "$CONTAINER_RUNNING" ]; then
echo "Warning: Container ${CONTAINER_NAME} is not running. Showing existing logs only."
echo "To follow live logs, start the container first with bin/04-run-container.sh"
echo ""
fi
fi
# Display log information
echo "Container: ${CONTAINER_NAME}"
if [ -n "$LINES" ]; then
echo "Showing: Last $LINES lines"
elif [ -n "$SINCE" ]; then
echo "Showing: Logs since $SINCE"
elif [ "$FOLLOW" = true ]; then
echo "Mode: Following logs (Press CTRL+C to exit)"
else
echo "Showing: All available logs"
fi
if [ "$TIMESTAMPS" = true ]; then
echo "Timestamps: Enabled"
fi
echo "Command: $LOGS_CMD"
echo ""
echo "=== Container Logs ==="
# Execute the logs command
exec $LOGS_CMD
