helm-aliases.sh

function echo-red() {
  echo -e "\e[31m$1\e[0m";
}

function helmet() {
  cluster=$(kubectl config view --minify -o jsonpath={.clusters[].name});
  tls=$(echo -n "--tls --tls-cert $HOME/.helm/tls/$cluster/cert.pem --tls-key $HOME/.helm/tls/$cluster/key.pem");
  helm "$@" ${tls};
}

function bootstrap-helm() {
  function _execute() {
    $($@ > /dev/null 2>&1)
    return $?
  }

  function _wait-for-cmd() {
    local cmd="$@"
    until _execute "$cmd"; do
      echo -n ".";
      sleep 1;
    done;
  }

  if [ "$(kubectl config current-context)" != "minikube" ]; then
    echo-red "kube context is not minikube. refusing to continue.";
    return;
  fi
  kubectl -n kube-system create sa tiller
  kubectl create clusterrolebinding tiller --clusterrole cluster-admin --serviceaccount kube-system:tiller
  helm init --service-account tiller
  _wait-for-cmd "helm ls";

  unset -f _execute
  unset -f _wait-for-cmd
}

function dockercfg-to-minikube() {
  if [ "$(kubectl config current-context)" != "minikube" ]; then
    echo-red "kube context is not minikube. refusing to continue.";
    return;
  fi
  source ${HOME}/.gitlab_config
  if [ -z "$gitlab_username" ] || [ -z "$gitlab_password" ]; then
    echo-red "gitlab credentials are not set in ${HOME}/.gitlab_config - terminating."
    return;
  fi
  kubectl create secret docker-registry gitlab-registry --docker-server=registry.dev.nvsrc.com --docker-username=${gitlab_username} --docker-password=${gitlab_password}
  kubectl patch sa default -p '{"imagePullSecrets": [{"name": "gitlab-registry"}]}'
}

function bootstrap-minikube-helm() {
  echo "minikube start:" &&
  minikube start --cpus 4 --memory 8192 --disk-size 80g --kubernetes-version v1.13.5 &&
  echo "dockercfg-to-minikube:" &&
  dockercfg-to-minikube &&
  echo "bootstrap-helm:" &&
  bootstrap-helm &&
  echo 'your minikube is up and helm is ready!';
}