deploy.sh

#!/bin/bash

set -x
function usage () {
  echo "Usage: $0 -p project -r region -c cluster -v version [-d] [-s selector] "
}

while getopts "p:r:c:v:s:d:x" flag
do
  case "${flag}" in
      p) PROJECT=${OPTARG};;
      r) REGION=${OPTARG};;
      c) CLUSTER=${OPTARG};;
      v) TELEMETRY_COMPONENTS_VERSION=${OPTARG};;
      s) SELECTOR=${OPTARG};;
      d) debug="true" ;;
      x) x="true";;
      \?) usage;;
  esac
done


if [[ $x == "true" ]]
then
  error="false"
  for variable in GOOGLE_CREDENTIALS     CHART_ENVIRONMENT     NAMESPACE_ENVIRONMENT     VAULT_ENVIRONMENT     VAULT_URL     VAULT_TOKEN   DATADOG_API_KEY     STACKDRIVER_CREDENTIALS     \
       INGRESS_TLS_CRT  INGRESS_TLS_KEY  INGRESS_IP PROJECT REGION CLUSTER TELEMETRY_COMPONENTS_VERSION CLOUDABILITY_API_KEY PROJECT REGION CLUSTER TELEMETRY_COMPONENTS_VERSION
  do
    value=`echo ${!variable}`
    if [[ -z "$value" ]]
    then
      if [[ "$error" == "false" ]]
      then
        error="true"
        echo "ERROR required environment variable(s) has empty/null value"
      fi
      echo "Variable name = $variable"
      echo "   value = <${!variable}>"
    fi
  done
  if [[ $error != "false" ]]
  then
    exit -2
  fi
fi

if [ -n "$SELECTOR" ] && [ "$SELECTOR" != "all" ]
then
  EXTRA_ARGS="--selector app=$SELECTOR"
else
  EXTRA_ARGS=""
fi

if [[ -z "$PROJECT" || -z "$REGION" || -z "$CLUSTER" || -z "$TELEMETRY_COMPONENTS_VERSION" ]]
then
  usage
  exit -1
fi

if [[ $debug == "true" ]]
then
  set -x
fi


echo "Installing Telemetry Componenets Version: $TELEMETRY_COMPONENTS_VERSION"
echo "PROJECT is $PROJECT"
echo "REGION is $REGION"
echo "CLUSTER is $CLUSTER"

cd /components
ls -l *
gcloud config set project $PROJECT
echo "$GOOGLE_CREDENTIALS" > creds.json
gcloud auth activate-service-account --key-file=creds.json
gcloud container clusters get-credentials $CLUSTER --region $REGION --project $PROJECT
if [ $? -ne 0 ]
then
  echo "Error fetching cluster config."
  exit 1
fi

# TODO figure out why this doesn't work when in the dockerfile (next 2 lines)
helm plugin install https://github.com/viglesiasce/helm-gcs.git --version v0.2.0
helm plugin install https://github.com/databus23/helm-diff

kubectl -f ./namespaces.yaml apply

# EXTRA_ARGS="--selector app=carbonelastic"
# helmfile --file helmfile.yaml --environment $PROJECT-$REGION $EXTRA_ARGS delete
# if [ $? -ne 0 ]
# then
#   echo "ERROR DELETING Carbon Telemetry Components"
#   exit 1
# fi

helmfile --file helmfile.yaml --environment $PROJECT-$REGION $EXTRA_ARGS apply
if [ $? -ne 0 ]
then
  echo "ERROR APPLYING Carbon Telemetry Components"
  exit 1
fi

#TODO add this code to mode datadog installs
# Do we need to do this sooner?
# Think this is no longer necessary as was able to put into datadog yaml ; kubectl patch ds datadog -n datadog --type=json -p='[{"op": "add", "path": "/spec/template/spec/priorityClassName", "value": "high-priority"}]'
# Need to develop a patch for this -> kubectl patch ds datadog -n datadog --type=json -p='[{"op": "add", "path": "/spec/template/spec/InitContainer", "value": '{"command":["sh","-c","conntrack -D -p udp --dport 8125 | true"],"image":"gcr.io/google-containers/toolbox:20190523-00","imagePullPolicy":"IfNotPresent","name":"conntrack","resources":{},"securityContext":{"allowPrivilegeEscalation":true,"capabilities":{"add":["NET_ADMIN"]}},"terminationMessagePath":"/dev/termination-log","terminationMessagePolicy":"File"}'}]'
  #new_initContainer = $(kubectl get DaemonSet -o=json datadog --namespace datadog | jq -r --arg new_ic "$new_ic" '.spec.template.spec.InitContainer += $new_ic' )
echo "Pausing after installations, before running tests for 2 minutes"
sleep 120

helmfile --file helmfile.yaml --environment $PROJECT-$REGION $EXTRA_ARGS test
if [ $? -ne 0 ]
    then
        echo "ERROR TESTING telemetry components"
        exit 1
fi