docker-setup.sh

#!/bin/bash

# This is intended to be run the plugin's root directory. `ci/unit/docker-test.sh`
# Ensure you have Docker installed locally and set the ELASTIC_STACK_VERSION environment variable.
set -e

VERSION_URL="https://raw.githubusercontent.com/elastic/logstash/master/ci/logstash_releases.json"

if [ "$ELASTIC_STACK_VERSION" ]; then
    echo "Fetching versions from $VERSION_URL"
    VERSIONS=$(curl $VERSION_URL)
    if [[ "$SNAPSHOT" = "true" ]]; then
      ELASTIC_STACK_RETRIEVED_VERSION=$(echo $VERSIONS | jq '.snapshots."'"$ELASTIC_STACK_VERSION"'"')
      echo $ELASTIC_STACK_RETRIEVED_VERSION
    else
      ELASTIC_STACK_RETRIEVED_VERSION=$(echo $VERSIONS | jq '.releases."'"$ELASTIC_STACK_VERSION"'"')
    fi
    if [[ "$ELASTIC_STACK_RETRIEVED_VERSION" != "null" ]]; then
      # remove starting and trailing double quotes
      ELASTIC_STACK_RETRIEVED_VERSION="${ELASTIC_STACK_RETRIEVED_VERSION%\"}"
      ELASTIC_STACK_RETRIEVED_VERSION="${ELASTIC_STACK_RETRIEVED_VERSION#\"}"
      echo "Translated $ELASTIC_STACK_VERSION to ${ELASTIC_STACK_RETRIEVED_VERSION}"
      export ELASTIC_STACK_VERSION=$ELASTIC_STACK_RETRIEVED_VERSION
    fi

    echo "Testing against version: $ELASTIC_STACK_VERSION"

    if [[ "$ELASTIC_STACK_VERSION" = *"-SNAPSHOT" ]]; then
        cd /tmp

        if [[ $ELASTIC_STACK_VERSION == 8* ]]; then
          jq=".build.projects.logstash.packages.\"logstash-$ELASTIC_STACK_VERSION-docker-image.tar.gz\".url"
        else
          jq=".build.projects.\"logstash\".packages.\"logstash-$ELASTIC_STACK_VERSION-docker-image.tar.gz\".url"
        fi
        echo "curl --silent https://artifacts-api.elastic.co/v1/versions/$ELASTIC_STACK_VERSION/builds/latest | jq -r $jq)"
        result=$(curl --silent https://artifacts-api.elastic.co/v1/versions/$ELASTIC_STACK_VERSION/builds/latest | jq -r $jq)
        echo $result
        curl $result > logstash-docker-image.tar.gz
        tar xfvz logstash-docker-image.tar.gz  repositories
        echo "Loading docker image: "
        cat repositories
        docker load < logstash-docker-image.tar.gz
        rm logstash-docker-image.tar.gz
        cd -
    fi

    if [ -f Gemfile.lock ]; then
        rm Gemfile.lock
    fi

    docker-compose -f ci/unit/docker-compose.yml down
    docker-compose -f ci/unit/docker-compose.yml build
    #docker-compose -f ci/unit/docker-compose.yml up --exit-code-from logstash --force-recreate
else
    echo "Please set the ELASTIC_STACK_VERSION environment variable"
    echo "For example: export ELASTIC_STACK_VERSION=6.2.4"
    exit 1
fi