Create env vars on a GitLab project reading from a file

post-vars.sh

#!/usr/bin/env bash

set -Eeuo pipefail
trap cleanup SIGINT SIGTERM ERR EXIT

script_dir=$(cd "$(dirname "${BASH_SOURCE[0]}")" &>/dev/null && pwd -P)

usage() {
  cat <<EOF
Usage: $(basename "${BASH_SOURCE[0]}") [-h] [-v] [-u] [-e environment] -f env_file -t gitlab_target_url -T gitlab_access_token

Posts env vars to a target on GitLab (project, group or instance).

Available options:

-h, --help        Print this help and exit
-v, --verbose     Print script debug info
-u, --update  	  Update vars
-e, --environment	Gitlab environment
-f, --file	      Env file
-t, --target	    GitLab target url
-T, --token	      GitLab access token
EOF
  exit
}

cleanup() {
  trap - SIGINT SIGTERM ERR EXIT
  # script cleanup here
}

setup_colors() {
  if [[ -t 2 ]] && [[ -z "${NO_COLOR-}" ]] && [[ "${TERM-}" != "dumb" ]]; then
    NOFORMAT='\033[0m' RED='\033[0;31m' GREEN='\033[0;32m' ORANGE='\033[0;33m' BLUE='\033[0;34m' PURPLE='\033[0;35m' CYAN='\033[0;36m' YELLOW='\033[1;33m'
  else
    NOFORMAT='' RED='' GREEN='' ORANGE='' BLUE='' PURPLE='' CYAN='' YELLOW=''
  fi
}

msg() {
  echo >&2 -e "${1-}"
}

die() {
  local msg=$1
  local code=${2-1} # default exit status 1
  msg "$msg"
  exit "$code"
}

parse_params() {
  # default values of variables set from params
  method='POST'
  environment='*'
  file=''
  target=''
  token=''

  while :; do
    case "${1-}" in
    -h | --help) usage ;;
    -v | --verbose) set -x ;;
    --no-color) NO_COLOR=1 ;;
    -u | --update) method='PUT' ;; # example flag
    -e | --environment)
      environment="${2-}"
      shift
      ;;
    -f | --file)
      file="${2-}"
      shift
      ;;
    -t | --target)
      target="${2-}"
      shift
      ;;
    -T | --token)
      token="${2-}"
      shift
      ;;
    -?*) die "Unknown option: $1" ;;
    *) break ;;
    esac
    shift
  done

  args=("$@")

  # check required params and arguments
  [[ -z "${file-}" ]] && die "Missing required parameter: file"
  [[ -z "${target-}" ]] && die "Missing required parameter: target"
  [[ -z "${token-}" ]] && die "Missing required parameter: token"

  return 0
}

parse_params "$@"
setup_colors

# script logic here

while IFS='=' read -r key value
do 
  var_key="$key"
  url="$target"
  
  if [ "$method" == "PUT" ]; then
    url+="/$var_key"
  fi
  
  # Removes leading and trailing spaces
  value=$(echo $value)
  
  curl --request $method --header "PRIVATE-TOKEN: $token" \
    "$url" \
    --form-string "key=$var_key" \
    --form-string "value=$value" \
    --form-string "environment_scope=$environment"

  echo
done < "$file"