cli_tools

#!/bin/bash -e

: ${APP_NAME:=app}
: ${APP_PASSWORD:=password}
: ${APP_SUBSCRIPTION_ID:=sub}
: ${AZURE_CLI_LOCATION:="/azure"}

_retry() {
  sleepsec=$1;
  maxret=$2;
  shift 2;
  ret=1;
  while :; do
    [[ $ret > $maxret ]] && return 1;
    echo "${ret}.retry..." >&2;
    eval "$@" && return || errorCode=$?;
    echo "---> command failed with exit code: $errorCode" >&2;
    let ret++;
    sleep "$sleepsec";
  done
}

retry() {
  # 5 sec delay, 9 retry
  _retry 5 9 "$@"
}

azure(){
  "$AZURE_CLI_LOCATION"/bin/azure "$@"
}

set_arm_account_config_params() {
  if [ $# -ne 0 ]; then
    if [ $# -eq 3 ] || [ $# -eq 5 ] || [ $# -eq 7 ] || [ $# -eq 9 ] || [ $# -eq 11 ] ; then
      for ((i_flag=2;i_flag<=$#;i_flag=i_flag+2)); do
        case "${!i_flag}" in
          --app_name)
            local i_value=$((i_flag+1))
            APP_NAME="${!i_value}"
            local re='^[a-z0-9]{1,15}$'
            if ! [[ $APP_NAME =~ $re ]]; then
              echo "Incorrect format for ${!i_flag}, please use only alphanumeric (lowercase only) characters with size less then or equal to 15"
              arm_account_config_usage
            fi
            ;;
          --app_password)
            local i_value=$((i_flag+1))
            APP_PASSWORD="${!i_value}"
            local re='^[a-zA-Z0-9]{1,15}$'
            if ! [[ $APP_PASSWORD =~ $re ]]; then
              echo "Incorrect format for ${!i_flag}, please use only alphanumeric characters with size less then or equal to 15"
              arm_account_config_usage
            fi
            ;;
          --subscription_id)
            local i_value=$((i_flag+1))
            APP_SUBSCRIPTION_ID="${!i_value}"
            ;;
          --username)
            local i_value=$((i_flag+1))
            ARM_USERNAME="${!i_value}"
            ;;
          --password)
            local i_value=$((i_flag+1))
            ARM_PASSWORD="${!i_value}"
            ;;
          *)
            echo ${!i_value}
            echo "Parameter name ${!i_flag} is invalid"
            arm_account_config_usage
            ;;
        esac
      done
    else
      echo "Please check the number of parameters, maybe one or more parameter is missing"
      arm_account_config_usage
    fi
  fi
}

print_arm_account_config_params() {
  echo "Subscription ID: "$APP_SUBSCRIPTION_ID
  echo "App Name: "$APP_NAME
  echo "Password: "$APP_PASSWORD
}

arm_account_config_usage() {
  echo -e "Configure ARM application\n"
  echo -e "usage: configure-arm [options]\n"
  echo "Options:"
  echo "  --app_name          name of the arm application"
  echo "  --app_password      password of the arm application"
  echo "  --subscription_id   subscription-id of your azure account"
  echo "  --username          Azure username"
  echo "  --password          Azure password"
  exit 1
}

create_arm_account() {
  if [[ -z "$ARM_USERNAME" ]] || [[ -z "$ARM_PASSWORD" ]]; then
    azure login
  else
    azure login --username $ARM_USERNAME --password $ARM_PASSWORD --service-principal --tenant $ARM_TENANT_ID
  fi
  azure config mode arm

  TENANT_ID_GREP=$(azure account show|grep "Tenant ID ")
  TENANT_ID=$(echo $TENANT_ID_GREP|sed "s,data: Tenant ID : ,,g")
  azure ad app create --name $APP_NAME --home-page http://$APP_NAME --identifier-uris http://$APP_NAME --password $APP_PASSWORD > $APP_NAME-ad-create.log
  echo "waiting..." && sleep 5
  APPLICATION_ID_GREP=$(grep "Application Id:" $APP_NAME-ad-create.log -r)
  APPLICATION_ID=$(echo $APPLICATION_ID_GREP|sed "s,data: Application Id: ,,g")
  echo "Your application id: "$APPLICATION_ID
  azure ad sp create $APPLICATION_ID > $APP_NAME-ad-sp.log
  echo "waiting..." && sleep 5
  OBJECT_ID_GREP=$(grep "Object Id:" $APP_NAME-ad-sp.log -r)
  OBJECT_ID=$(echo $OBJECT_ID_GREP|sed "s,data: Object Id: ,,g")
  echo "Your Object id: "$OBJECT_ID
  echo "waiting..."
  retry  "azure role assignment create --objectId $OBJECT_ID -o Owner -c /subscriptions/$APP_SUBSCRIPTION_ID &> $APP_NAME-assign.log"
  azure provider list
  azure provider register Microsoft.Compute
  azure provider register Microsoft.Network
  azure provider register Microsoft.Storage

  echo "Subscription ID: "$APP_SUBSCRIPTION_ID
  echo "App ID: "$APPLICATION_ID
  echo "Password: "$APP_PASSWORD
  echo "App Owner Tenant ID: "$TENANT_ID
}

main() {
  if [ $# -ne 0 ]; then
    if [ $1 == "configure-arm" ]; then
      set_arm_account_config_params "$@"
      print_arm_account_config_params
      create_arm_account
    fi;
  fi;

}

[[ "$0" == "$BASH_SOURCE" ]] && main "$@"