mirror of
https://github.com/dokku/dokku.git
synced 2025-12-16 03:57:43 +01:00
5c0b350cff
This script previously ran through the docker installation process with the edge channel on each run. Instead, we only run the docker installation if docker is not available. In addition, we force set the channel to stable, ensuring the script installs the correct channel for stable docker installations. Closes #3269
243 lines
7.8 KiB
Bash
Executable File
243 lines
7.8 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -eo pipefail
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[[ $TRACE ]] && set -x
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# A script to bootstrap dokku.
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# It expects to be run on Ubuntu 14.04 via 'sudo'
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# If installing a tag higher than 0.3.13, it may install dokku via a package (so long as the package is higher than 0.3.13)
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# It checks out the dokku source code from Github into ~/dokku and then runs 'make install' from dokku source.
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# We wrap this whole script in functions, so that we won't execute
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# until the entire script is downloaded.
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# That's good because it prevents our output overlapping with wget's.
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# It also means that we can't run a partially downloaded script.
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ensure-environment() {
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local FREE_MEMORY
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echo "Preparing to install $DOKKU_TAG from $DOKKU_REPO..."
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hostname -f >/dev/null 2>&1 || {
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echo "This installation script requires that you have a hostname set for the instance. Please set a hostname for 127.0.0.1 in your /etc/hosts"
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exit 1
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}
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FREE_MEMORY=$(grep MemTotal /proc/meminfo | awk '{print $2}')
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if [[ "$FREE_MEMORY" -lt 1003600 ]]; then
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echo "For dokku to build containers, it is strongly suggested that you have 1024 megabytes or more of free memory"
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echo "If necessary, please consult this document to setup swap: http://dokku.viewdocs.io/dokku/advanced-installation/#vms-with-less-than-1gb-of-memory"
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fi
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}
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install-requirements() {
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echo "--> Ensuring we have the proper dependencies"
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case "$DOKKU_DISTRO" in
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debian | ubuntu)
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if ! dpkg -l | grep -q software-properties-common; then
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apt-get update -qq >/dev/null
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apt-get -qq -y install software-properties-common
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fi
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add-apt-repository universe >/dev/null
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apt-get update -qq >/dev/null
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;;
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esac
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}
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install-dokku() {
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if [[ -n $DOKKU_BRANCH ]]; then
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install-dokku-from-source "origin/$DOKKU_BRANCH"
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elif [[ -n $DOKKU_TAG ]]; then
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local DOKKU_SEMVER="${DOKKU_TAG//v/}"
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major=$(echo "$DOKKU_SEMVER" | awk '{split($0,a,"."); print a[1]}')
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minor=$(echo "$DOKKU_SEMVER" | awk '{split($0,a,"."); print a[2]}')
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patch=$(echo "$DOKKU_SEMVER" | awk '{split($0,a,"."); print a[3]}')
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use_plugin=false
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# 0.4.0 implemented a `plugin` plugin
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if [[ "$major" -eq "0" ]] && [[ "$minor" -ge "4" ]] && [[ "$patch" -ge "0" ]]; then
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use_plugin=true
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elif [[ "$major" -ge "1" ]]; then
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use_plugin=true
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fi
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# 0.3.13 was the first version with a debian package
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if [[ "$major" -eq "0" ]] && [[ "$minor" -eq "3" ]] && [[ "$patch" -ge "13" ]]; then
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install-dokku-from-package "$DOKKU_SEMVER"
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echo "--> Running post-install dependency installation"
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dokku plugins-install-dependencies
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elif [[ "$use_plugin" == "true" ]]; then
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install-dokku-from-package "$DOKKU_SEMVER"
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echo "--> Running post-install dependency installation"
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sudo -E dokku plugin:install-dependencies --core
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else
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install-dokku-from-source "$DOKKU_TAG"
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fi
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else
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install-dokku-from-package
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echo "--> Running post-install dependency installation"
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sudo -E dokku plugin:install-dependencies --core
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fi
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}
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install-dokku-from-source() {
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local DOKKU_CHECKOUT="$1"
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if ! command -v apt-get &>/dev/null; then
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echo "This installation script requires apt-get. For manual installation instructions, consult http://dokku.viewdocs.io/dokku/advanced-installation/"
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exit 1
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fi
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apt-get -qq -y install git make software-properties-common
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cd /root
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if [[ ! -d /root/dokku ]]; then
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git clone "$DOKKU_REPO" /root/dokku
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fi
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cd /root/dokku
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git fetch origin
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[[ -n $DOKKU_CHECKOUT ]] && git checkout "$DOKKU_CHECKOUT"
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make install
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}
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install-dokku-from-package() {
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case "$DOKKU_DISTRO" in
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debian | ubuntu)
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install-dokku-from-deb-package "$@"
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;;
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centos | rhel)
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install-dokku-from-rpm-package "$@"
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;;
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*)
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echo "Unsupported Linux distribution. For manual installation instructions, consult http://dokku.viewdocs.io/dokku/advanced-installation/"
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exit 1
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;;
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esac
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}
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in-array() {
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declare desc="return true if value ($1) is in list (all other arguments)"
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local e
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for e in "${@:2}"; do
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[[ "$e" == "$1" ]] && return 0
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done
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return 1
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}
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install-dokku-from-deb-package() {
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local DOKKU_CHECKOUT="$1"
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local NO_INSTALL_RECOMMENDS=${DOKKU_NO_INSTALL_RECOMMENDS:=""}
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local OS_ID
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if [[ -n $DOKKU_DOCKERFILE ]]; then
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NO_INSTALL_RECOMMENDS=" --no-install-recommends "
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fi
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echo "--> Initial apt-get update"
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apt-get update -qq >/dev/null
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apt-get -qq -y install apt-transport-https
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if ! command -v docker &>/dev/null; then
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echo "--> Installing docker"
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if uname -r | grep -q linode; then
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echo "--> NOTE: Using Linode? Docker may complain about missing AUFS support."
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echo " You can safely ignore this warning."
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echo " Installation will continue in 10 seconds."
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sleep 10
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fi
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export CHANNEL=stable
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wget -nv -O - https://get.docker.com/ | sh
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fi
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if [[ "$DOKKU_DISTRO_VERSION" == "14.04" ]]; then
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echo "--> Adding nginx PPA"
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add-apt-repository -y ppa:nginx/stable
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fi
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OS_ID="$(lsb_release -cs 2>/dev/null || echo "trusty")"
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if ! in-array "$DOKKU_DISTRO" "debian" "ubuntu"; then
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DOKKU_DISTRO="ubuntu"
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OS_ID="trusty"
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fi
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if [[ "$DOKKU_DISTRO" == "ubuntu" ]]; then
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OS_IDS=("trusty" "utopic" "vivid" "wily" "xenial" "yakkety" "zesty" "artful" "bionic")
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if ! in-array "$OS_ID" "${OS_IDS[@]}"; then
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OS_ID="trusty"
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fi
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elif [[ "$DOKKU_DISTRO" == "debian" ]]; then
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OS_IDS=("wheezy" "jessie" "stretch" "buster")
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if ! in-array "$OS_ID" "${OS_IDS[@]}"; then
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OS_ID="stretch"
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fi
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fi
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echo "--> Installing dokku"
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wget -nv -O - https://packagecloud.io/gpg.key | apt-key add -
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echo "deb https://packagecloud.io/dokku/dokku/$DOKKU_DISTRO/ $OS_ID main" | tee /etc/apt/sources.list.d/dokku.list
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apt-get update -qq >/dev/null
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[[ -n $DOKKU_VHOST_ENABLE ]] && echo "dokku dokku/vhost_enable boolean $DOKKU_VHOST_ENABLE" | sudo debconf-set-selections
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[[ -n $DOKKU_WEB_CONFIG ]] && echo "dokku dokku/web_config boolean $DOKKU_WEB_CONFIG" | sudo debconf-set-selections
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[[ -n $DOKKU_HOSTNAME ]] && echo "dokku dokku/hostname string $DOKKU_HOSTNAME" | sudo debconf-set-selections
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[[ -n $DOKKU_SKIP_KEY_FILE ]] && echo "dokku dokku/skip_key_file boolean $DOKKU_SKIP_KEY_FILE" | sudo debconf-set-selections
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[[ -n $DOKKU_KEY_FILE ]] && echo "dokku dokku/key_file string $DOKKU_KEY_FILE" | sudo debconf-set-selections
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[[ -n $DOKKU_NGINX_ENABLE ]] && echo "dokku dokku/nginx_enable string $DOKKU_NGINX_ENABLE" | sudo debconf-set-selections
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if [[ -n $DOKKU_CHECKOUT ]]; then
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# shellcheck disable=SC2086
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apt-get -qq -y $NO_INSTALL_RECOMMENDS install "dokku=$DOKKU_CHECKOUT"
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else
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# shellcheck disable=SC2086
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apt-get -qq -y $NO_INSTALL_RECOMMENDS install dokku
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fi
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}
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install-dokku-from-rpm-package() {
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local DOKKU_CHECKOUT="$1"
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if [[ "$DOKKU_DISTRO_VERSION" != "7" ]]; then
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echo "Only CentOS version 7 is supported."
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exit 1
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fi
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echo "--> Installing docker"
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curl -fsSL https://get.docker.com/ | sh
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echo "--> Installing epel for nginx packages to be available"
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yum install -y epel-release
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echo "--> Installing herokuish and dokku"
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curl -s https://packagecloud.io/install/repositories/dokku/dokku/script.rpm.sh | bash
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if [[ -n $DOKKU_CHECKOUT ]]; then
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yum -y install herokuish "dokku-$DOKKU_CHECKOUT"
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else
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yum -y install herokuish dokku
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fi
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echo "--> Enabling docker and nginx on system startup"
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systemctl enable docker
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systemctl enable nginx
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echo "--> Starting nginx"
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systemctl start nginx
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}
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main() {
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export DOKKU_DISTRO DOKKU_DISTRO_VERSION
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# shellcheck disable=SC1091
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DOKKU_DISTRO=$(. /etc/os-release && echo "$ID")
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# shellcheck disable=SC1091
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DOKKU_DISTRO_VERSION=$(. /etc/os-release && echo "$VERSION_ID")
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export DEBIAN_FRONTEND=noninteractive
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export DOKKU_REPO=${DOKKU_REPO:-"https://github.com/dokku/dokku.git"}
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ensure-environment
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install-requirements
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install-dokku
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}
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main "$@"
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