step="install-helm-modules"
echo "START: ${step}"

set +x
. /etc/sysconfig/heat-params
set -ex

if [ ! -z "$HTTP_PROXY" ]; then
    export HTTP_PROXY
fi

if [ ! -z "$HTTPS_PROXY" ]; then
    export HTTPS_PROXY
fi

if [ ! -z "$NO_PROXY" ]; then
    export NO_PROXY
fi

ssh_cmd="ssh -F /srv/magnum/.ssh/config root@localhost"

echo "Waiting for Kubernetes API..."
until  [ "ok" = "$(kubectl get --raw='/healthz')" ]; do
    sleep 5
done

if [ -z "${HELM_CLIENT_URL}"  ] ; then
    HELM_CLIENT_URL="https://get.helm.sh/helm-$HELM_CLIENT_TAG-linux-amd64.tar.gz"
fi
i=0
until curl -o /srv/magnum/helm-client.tar.gz "${HELM_CLIENT_URL}"; do
    i=$((i + 1))
    [ $i -lt 5 ] || break;
    sleep 5
done

if ! echo "${HELM_CLIENT_SHA256} /srv/magnum/helm-client.tar.gz" | sha256sum -c - ; then
    echo "ERROR helm-client.tar.gz computed checksum did NOT match, exiting."
    exit 1
fi

source /etc/bashrc
$ssh_cmd tar xzvf /srv/magnum/helm-client.tar.gz linux-amd64/helm -O > /srv/magnum/bin/helm
$ssh_cmd chmod +x /srv/magnum/bin/helm

helm_install_cmd="helm upgrade --install magnum . --namespace kube-system --values values.yaml --render-subchart-notes"
helm_history_cmd="helm history magnum --namespace kube-system"
if [[ "${HELM_CLIENT_TAG}" == v2.* ]]; then
    CERTS_DIR="/etc/kubernetes/helm/certs"
    export HELM_HOME="/srv/magnum/kubernetes/helm/home"
    export HELM_TLS_ENABLE="true"
    mkdir -p "${HELM_HOME}"
    ln -s ${CERTS_DIR}/helm.cert.pem ${HELM_HOME}/cert.pem
    ln -s ${CERTS_DIR}/helm.key.pem ${HELM_HOME}/key.pem
    ln -s ${CERTS_DIR}/ca.cert.pem ${HELM_HOME}/ca.pem

    # HACK - Force wait because of bug https://github.com/helm/helm/issues/5170
    until helm init --client-only --wait; do
        sleep 5s
    done
    helm_install_cmd="helm upgrade --install --name magnum . --namespace kube-system --values values.yaml --render-subchart-notes"
    helm_history_cmd="helm history magnum"
fi

HELM_CHART_DIR="/srv/magnum/kubernetes/helm/magnum"
if [[ -d "${HELM_CHART_DIR}" ]]; then
    pushd ${HELM_CHART_DIR}
    cat << EOF > Chart.yaml
apiVersion: v1
name: magnum
version: 1.0.0
appVersion: v1.0.0
description: Magnum Helm Charts
EOF
    sed -i '1i\dependencies:' requirements.yaml

    i=0
    until ($helm_history_cmd | grep magnum | grep deployed) || (helm dep update && $helm_install_cmd); do
        i=$((i + 1))
        [ $i -lt 60 ] || break;
        sleep 5
    done
    popd
fi

echo "END: ${step}"