156 lines
3.3 KiB
Bash
156 lines
3.3 KiB
Bash
#!/bin/bash
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# COMMON FUNCTIONS
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# JDE
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# 2025-04-25
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# This file is not required if you write your own template.
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# Print error message and exit with code 1
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# Usage: die "error message"
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die() {
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echo -e "\033[91mError: $1\033[0m"
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exit 1
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}
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grey_start() {
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echo -e -n "\033[90m"
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}
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grey_end() {
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echo -e -n "\033[0m"
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}
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create_and_start_container() {
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if [ -z "$1" ] || [ -z "$2" ]; then
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die "Template error: create_and_start_container <run_cmd> <container_name>"
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fi
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local run_cmd="$1"
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local container_name="$2"
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if _is_container_exists $container_name; then
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_is_container_running $container_name && return 0
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_start_container $container_name
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else
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grey_start
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$run_cmd
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grey_end
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fi
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if ! _is_container_running $container_name; then
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die "Container ${container_name} failed to start"
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fi
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ID=$(_get_container_id $container_name)
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echo "Container ${container_name} is running with ID ${ID}"
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}
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function create_folder() {
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local folder="$1"
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if [ -d "$folder" ]; then
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return 0
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fi
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if ! mkdir -p "$folder"; then
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die "Failed to create folder: $folder"
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fi
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chmod 777 "$folder"
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echo "Folder created: $folder"
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}
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# Check if docker is installed
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_check_docker_installed() {
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if ! command -v docker &> /dev/null; then
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echo "Docker is not installed"
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return 1
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fi
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# check if docker daemon is running
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if ! docker info &> /dev/null; then
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echo "Docker daemon is not running"
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return 1
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fi
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# check if user has permission to run docker
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if ! docker run --rm hello-world &> /dev/null; then
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echo "User does not have permission to run docker"
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return 1
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fi
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return 0
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}
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# Check if a container exists
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_is_container_exists() {
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if ! docker ps -a --format "{{.Names}}" | grep -q "^$1$"; then
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return 1
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fi
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return 0
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}
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# Check if a container is running
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_is_container_running() {
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if ! docker ps --format "{{.Names}}" | grep -q "^$1$"; then
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return 1
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fi
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return 0
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}
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# get contianer ID
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_get_container_id() {
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docker ps --format "{{.ID}}" --filter "name=$1"
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}
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# get container status
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_get_container_status() {
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docker ps --format "{{.Status}}" --filter "name=$1"
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}
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# start container that exists
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_start_container() {
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_is_container_exists $1 || return 1
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_is_container_running $1 && return 0
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docker start $1
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}
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# stop container that exists
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_stop_container() {
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_is_container_running $1 || return 0;
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docker stop $1
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}
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# remove container that exists
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_remove_container() {
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_stop_container $1
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_is_container_exists $1 || return 0;
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docker rm $1
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}
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# get container logs
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_get_container_logs() {
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if ! _is_container_exists $1; then
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echo "Container $1 does not exist"
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return 1
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fi
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docker logs $1
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}
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check_required_env_vars() {
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local required_vars=("$@")
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for var in "${required_vars[@]}"; do
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if [ -z "${!var}" ]; then
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die "Required environment variable $var is not set in your service.env file"
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fi
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done
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}
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function _root_remove_tree() {
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local to_remove="$1"
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parent=$(dirname "$to_remove")
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abs_parent=$(realpath "$parent")
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child=$(basename "$to_remove")
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docker run --rm -v "$abs_parent":/data alpine rm -rf "/data/$child"
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}
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