a script to check docker containers status and if anyone is stopped then start it

dockerwatch.sh

#!/bin/bash
# a script to check docker containers status and if anyone is stopped then start it
# Author:       Talha Asghar <[email protected]>
# Co-author:    chatgpt.com
# 13th-October-2024

log_file='/var/log/dockerwatch.log'
log() {
    local message="$1"
    local timestamp=$(date "+%Y-%m-%d %H:%M:%S")
    
    # Log to screen
    echo "$timestamp - $message"
    
    # Log to file
    echo "$timestamp - $message" >> "$log_file"
}


# get list of all stopped containers

# in case you want to exclude some containers
#containers=$(docker ps -aq -f "status=exited" | grep -v -e b4d05625b6d8 -e 193b3329e967 -e 97d65a75e41e -e 415678546ced)

containers=$(docker ps -aq -f "status=exited")
if [ -n "$containers" ]; then
        # Get the names of the containers that will be started
        container_names=$(docker ps -a --format '{{.Names}}' --filter "id=$containers")
              
        log "Starting containers: $container_names"
        docker start $containers
else
        log "No containers to start."
fi