#!/bin/bash

set -o xtrace

install_ansible() {
    sudo apt-get update
    sudo apt-get install python python-pip python-dev -y
    sudo pip install ansible==1.8.2
    sudo mkdir -p /etc/ansible/
    echo "localhost" | sudo tee /etc/ansible/hosts
}

run_playbook() {
    # Write to stdout directly
    export PYTHONUNBUFFERED=1

    # No cows >_<
    export ANSIBLE_NOCOWS=1

    # Root of git repo
    if [ -z "$ES_PROJECT_ROOT" ]; then
        export ES_PROJECT_ROOT="$(dirname $(dirname $(readlink -f $0)))"
    fi

    # Install or not require-dev packages
    if [ -z "$ES_COMPOSER_NODEV" ]; then
        export ES_COMPOSER_NODEV="no"
    fi

    if [ ! -x $(which ansible-playbook) ]; then
        echo "Ansible is not installed"
        return 1
    fi

    ansible-playbook $ES_PROJECT_ROOT/ansible/es-playbook.yml -v | tee /tmp/ansible-playbook-progress

    if grep -q "FATAL\|ERROR" /tmp/ansible-playbook-progress; then
        return 1
    fi
}

check_cluster() {
    curl -m 5 -s -o /dev/null "http://localhost:9200" &&
    curl -m 5 -s -o /dev/null "http://localhost:9201"
    return $?
}

travis_retry() {
    # We don't use builtin Travis CI function, because this script is also used for vagrant provision.
    # But main idea of restarts is so simple, so lets override it without name change.

    $@ && return 0

    echo "The command $@ failed. Retrying, 2 of 3"
    sleep 60s && $@ && return 0

    echo "The command $@ failed. Retrying, 3 of 3"
    sleep 60s && $@ && return 0

    echo "The command $@ failed."
    return 1
}

travis_retry install_ansible || exit 1

travis_retry run_playbook || exit 1

travis_retry check_cluster || exit 1