docker automation script

docker.sh

#!/bin/bash  

function sed_rt() {
  echo "$1" | sed -e 's/^ *//g' -e 's/ *$//g' | sed -n '1 p'
}

function to_num() {
  case $1 in
  '' | *[!0-9\.]*) echo 0 ;;
  *) echo $1 ;;
  esac
}

#os info
if [ -z "$os_name" ]; then
  if [ -e /etc/redhat-release ]; then
    os_name=$(sed_rt "$(cat /etc/redhat-release)")
  elif [ -e /etc/debian_version ]; then
    os_name=$(sed_rt "Debian $(cat /etc/debian_version)")
  fi

  if [ -z "$os_name" ]; then
    os_name=$(sed_rt "$(uname -s)")
  fi
fi

echo "os_name = $os_name"


if [ -z "$cpu_freq" ]; then
  cpu_freq=$(sed_rt $(to_num "$(lscpu | grep 'CPU MHz' | awk -F\: '{ print $2 }' | sed -e 's/^ *//g' -e 's/ *$//g')"))
fi

echo "cpu_freq = $cpu_freq"

ram_free=$(sed_rt $(to_num "$(cat /proc/meminfo | grep ^MemFree: | awk '{ print $2 }')"))

echo "ram_free = $ram_free"

#check if docker installed if not then install
if [ ! -n "$(command -v docker)" ]; then
        dnf -y update && sudo dnf install -y yum-utils && yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo && dnf install -y docker-ce docker-ce-cli containerd.io docker-compose-plugin && sudo systemctl enable --now docker && usermod -aG docker $USER
fi

if [ ! -n "$(command -v curl)" ]; then
        yum install -y curl
fi

if [ ! -n "$(command -v jq)" ]; then
        yum install -y jq
fi

  if [ ! -n "$(command -v docker)" ]; then
    fail "|\n|   Error: Cannot install docker, please install the docker and run the script again\n|"
  fi


curl $1 -o compose.yaml

mkdir -p /home/mariadb_storage && chmod 777 /home/mariadb_storage

echo "!!!!!!!!!!!!!!!!!!!!!Docker process listed below"
docker compose up -d
docker ps

echo "!!!!!!!!!!!!!!!!!!!!!!Docker installed images listed below" 
docker images

#docker log
dockerfullid=$(docker container ls --all --quiet --no-trunc --filter "name=mariadb")
#docker_log=$(curl -F file=@/var/lib/docker/containers/$log_path/$log_path-json.log https://store1.gofile.io/uploadFile)
dockercreated=$(docker inspect $dockerfullid | grep -i created)
dockerstatus=$(docker ps --filter name=mariadb | awk '{print $7,$8,$9}' | tail -1)


echo $dockerfullid 
echo $dockercreated
echo $dockerstatus