# Copyright 2020 Google LLC
#
# 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.

name: "Continuous Integration"
on:
  push:
    # run on pushes to master or release/*
    branches:    
      - master
      - release/*
  pull_request:
    # run on pull requests targeting master
    branches:
      - master
jobs:
  run-tests:
    runs-on: self-hosted
    steps:
    - uses: actions/checkout@v2
    - name: License Check
      run: |
        set -x
        git init
        git add --all
        git -c user.name="CI Bot" -c user.email="<>" commit -m "initial state" --allow-empty
        addlicense ./
        test -z $(git diff --name-only | tee /dev/stderr)
    - name: Setup Cluster
      run: |
        set -x
        kind delete cluster || true
        kind create cluster
        kubectl get nodes
    - name: Deploy From Source
      run: |
        skaffold config set --global local-cluster true
        skaffold run --default-repo local
    - name: Wait For Pods
      timeout-minutes: 20
      run: |
        set -x
        kubectl wait --for=condition=available --timeout=500s deployment/adservice
        kubectl wait --for=condition=available --timeout=500s deployment/cartservice
        kubectl wait --for=condition=available --timeout=500s deployment/checkoutservice
        kubectl wait --for=condition=available --timeout=500s deployment/currencyservice
        kubectl wait --for=condition=available --timeout=500s deployment/emailservice
        kubectl wait --for=condition=available --timeout=500s deployment/frontend
        kubectl wait --for=condition=available --timeout=500s deployment/loadgenerator
        kubectl wait --for=condition=available --timeout=500s deployment/paymentservice
        kubectl wait --for=condition=available --timeout=500s deployment/productcatalogservice
        kubectl wait --for=condition=available --timeout=500s deployment/recommendationservice
        kubectl wait --for=condition=available --timeout=500s deployment/shippingservice
    - name: Smoke Test
      timeout-minutes: 5
      run: |
        set -x
        # start fresh loadgenerator pod
        kubectl delete pod -l app=loadgenerator
        # wait for requests to come in
        REQUEST_COUNT="0"
        while [[ "$REQUEST_COUNT"  -lt "50"  ]]; do
            sleep 5
            REQUEST_COUNT=$(kubectl logs -l app=loadgenerator | grep Aggregated | awk '{print $2}')
        done
        # ensure there are no errors hitting endpoints
        ERROR_COUNT=$(kubectl logs -l app=loadgenerator | grep Aggregated | awk '{print $3}' | sed "s/[(][^)]*[)]//g")
        if [[ "$ERROR_COUNT" -gt "0" ]]; then
          exit 1
        fi