#!/bin/bash

# Copyright 2017 The Kubernetes Authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

set -e
if ! [ -z $DEBUG ]; then
	set -x
fi

DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"

export NAMESPACE=$1
export NAMESPACE_OVERLAY=$2

echo "deploying NGINX Ingress controller in namespace $NAMESPACE"

function on_exit {
    local error_code="$?"

    test $error_code == 0 && return;

    echo "Obtaining ingress controller pod logs..."
    kubectl logs -l app.kubernetes.io/name=ingress-nginx -n $NAMESPACE
}
trap on_exit EXIT

# Use the namespace overlay if it was requested
if [[ ! -z "$NAMESPACE_OVERLAY" && -d "$DIR/namespace-overlays/$NAMESPACE_OVERLAY" ]]; then
    echo "Namespace overlay $NAMESPACE_OVERLAY is being used for namespace $NAMESPACE"
    helm install nginx-ingress stable/nginx-ingress \
        --namespace=$NAMESPACE \
        --wait \
        --values "$DIR/namespace-overlays/$NAMESPACE_OVERLAY/values.yaml"
else
    cat << EOF | helm install nginx-ingress stable/nginx-ingress --namespace=$NAMESPACE --wait --values -
controller:
  image:
    repository: ingress-controller/nginx-ingress-controller
    tag: 1.0.0-dev
  scope:
    enabled: true
  config:
    worker-processes: "1"
  readinessProbe:
    initialDelaySeconds: 3
    periodSeconds: 1
  livenessProbe:
    initialDelaySeconds: 3
    periodSeconds: 1
  podLabels:
    app.kubernetes.io/name: ingress-nginx
    app.kubernetes.io/part-of: ingress-nginx
  service:
    type: NodePort
    labels:
      app.kubernetes.io/name: ingress-nginx
      app.kubernetes.io/part-of: ingress-nginx
  extraArgs:
    tcp-services-configmap: $NAMESPACE/tcp-services
    # e2e tests do not require information about ingress status
    update-status: "false"
  terminationGracePeriodSeconds: 1
  admissionWebhooks:
    enabled: false

defaultBackend:
  enabled: false

rbac:
  create: true
  scope: true

EOF

fi