run.sh

#!/usr/bin/env bash

set -a # export all variables....
set -u # break if there is any unbound variable

env_setup() {
  ADMIN_PASSWORD="admin_password"
  CLUSTER_NAME="sandbox"
  K8S_VERSION="v1.20.6-rancher1-1"
  RANCHER_SERVER="rancher_server"
  EXPOSED_HTTPS_PORT="443"
  EXPOSED_HTTP_PORT="80"
  NUM_OF_WORKER="2"
  #
  if [[ -n "${__ENV_SETUP__:-}" ]]; then
    return 0
  fi

  __ENV_SETUP__=1
  readonly __ENV_SETUP__

  __PLATFORM__="$(uname | tr "[:upper:]" "[:lower:]")"
  readonly __PLATFORM__

  case "$__PLATFORM__" in
  "linux")
    __SED="sed"
    ;;

  "darwin")
    __SED="gsed"
    ;;

  *)
    echo >&2 ":: ${FUNCNAME[0]}: Unsupported platform '$__PLATFORM__'."
    return 1
  esac

  readonly __SED
}

env_setup || exit

docker compose down -v
cp docker-compose.yaml.template docker-compose.yaml
$__SED -i "s|__RANCHER_SERVER__|$RANCHER_SERVER|" docker-compose.yaml
$__SED -i "s|__EXPOSED_HTTPS_PORT__|$EXPOSED_HTTPS_PORT|" docker-compose.yaml
$__SED -i "s|__EXPOSED_HTTP_PORT__|$EXPOSED_HTTP_PORT|" docker-compose.yaml
$__SED -i "s|__NUM_OF_WORKER__|$NUM_OF_WORKER|" docker-compose.yaml

docker compose up -d

cp config_master.sh.template config_master.sh
$__SED -i "s|__RANCHER_SERVER__|$RANCHER_SERVER|" config_master.sh
$__SED -i "s|__ADMIN_PASSWORD__|$ADMIN_PASSWORD|" config_master.sh
$__SED -i "s|__K8S_VERSION__|$K8S_VERSION|" config_master.sh
$__SED -i "s|__CLUSTER_NAME__|$CLUSTER_NAME|" config_master.sh
docker cp config_master.sh $RANCHER_SERVER:/
docker exec -it $RANCHER_SERVER /bin/sh -c "sh /config_master.sh"

_arr_worker=($(docker compose ps | grep worker | awk '{print $1}'))
for _worker in ${_arr_worker[@]}
do
  if [[ "$_worker" == *worker_1 ]]
  then
    ROLEFLAGS="--etcd --worker --controlplane"
  else
    ROLEFLAGS="--worker"
  fi
  cp config_worker.sh.template config_worker.sh
  $__SED -i "s|__RANCHER_SERVER__|$RANCHER_SERVER|" config_worker.sh
  $__SED -i "s|__ADMIN_PASSWORD__|$ADMIN_PASSWORD|" config_worker.sh
  $__SED -i "s|__CLUSTER_NAME__|$CLUSTER_NAME|" config_worker.sh
  $__SED -i "s|__ROLEFLAGS__|$ROLEFLAGS|" config_worker.sh
  docker cp config_worker.sh $_worker:/
  docker exec -it $_worker /bin/sh -c "sh /config_worker.sh"
done