使用 Tsuru 和 Docker 构建自己的 PaaS 系统

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该文档描述如何使用 Tsuru 和 Docker 构建自己的私有 PaaS 服务。

文档假设你已经在 64 位的 Ubuntu 12.04 LTS 上安装了 Tsuru。

开源项目 Docker，Red Hat 新的虚拟化选择 http://www.linuxidc.com/Linux/2013-10/91051.htm

dockerlite: 轻量级 Linux 虚拟化 http://www.linuxidc.com/Linux/2013-07/87093.htm

Docker 的搭建 Gitlab CI 全过程详解 http://www.linuxidc.com/Linux/2013-12/93537.htm

Docker 和一个正常的虚拟机有何区别? http://www.linuxidc.com/Linux/2013-12/93740.htm

Docker 将改变所有事情 http://www.linuxidc.com/Linux/2013-12/93998.htm

安装之前

开始安装之前，需要先安装 curl 和 Python-software-properties 两个软件包，这两个软件包用来安装额外的资源库。

sudo apt-get update
sudo apt-get install curl python-software-properties -qqy

添加资源库

sudo apt-key adv –keyserver hkp://keyserver.ubuntu.com:80 –recv-keys 36A1D7869245C8950F966E92D8576A8BA88D21E9echo “deb http://get.docker.io/ubuntu docker main” | sudo tee /etc/apt/sources.list.d/docker.list

sudo apt-add-repository ppa:tsuru/lvm2 -y
sudo apt-add-repository ppa:tsuru/ppa -y

sudo apt-key adv –keyserver hkp://keyserver.ubuntu.com:80 –recv 7F0CEB10echo “deb http://downloads-distro.mongodb.org/repo/ubuntu-upstart dist 10gen” | sudo tee /etc/apt/sources.list.d/mongodb.list

sudo apt-get update

安装 beanstalkd

sudo apt-get install beanstalkd -qqy
cat > /tmp/default-beanstalkd <<EOFBEANSTALKD_LISTEN_ADDR=127.0.0.1BEANSTALKD_LISTEN_PORT=11300DAEMON_OPTS=”-l \$BEANSTALKD_LISTEN_ADDR -p \$BEANSTALKD_LISTEN_PORT -b /var/lib/beanstalkd”START=yesEOFsudo mv /tmp/default-beanstalkd /etc/default/beanstalkd
sudo service beanstalkd start

安装 redis

sudo apt-get install redis-server -qqy

安装 hipache

sudo apt-get install node-hipache -qqy
sudo start hipache

安装 docker

sudo apt-get install lxc-docker -qqyecho export DOCKER_OPTS=\”-H 127.0.0.1:4243\” | sudo tee -a /etc/default/dockerecho export DOCKER_HOST=127.0.0.1:4243 >> ~/.bashrc
sudo stop docker
sudo start docker

安装 gandalf

sudo apt-get install gandalf-server -qqyhook_dir=/home/git/bare-template/hooks
sudo mkdir -p $hook_dirsudo curl https://raw.githubusercontent.com/tsuru/tsuru/master/misc/git-hooks/post-receive -o ${hook_dir}/post-receive
sudo chmod +x ${hook_dir}/post-receive
sudo chown -R git:git /home/git/bare-template# make sure you write the public IP of the machine in the “host” parameter# in the /etc/gandalf.conf filesudo start gandalf-server
sudo start git-daemon

安装 tsuru API server

sudo apt-get install tsuru-server -qqy

sudo curl http://script.cloud.tsuru.io/conf/tsuru-docker-single.conf -o /etc/tsuru/tsuru.conf# make sure you replace all occurrences of {{{HOST_IP}}} with the machine’s# public IP in the /etc/tsuru/tsuru.conf filesudo sed -i -e ‘s/=no/=yes/’ /etc/default/tsuru-server
sudo start tsuru-ssh-agent
sudo start tsuru-server-api
sudo start tsuru-server-collector

平台安装

curl https://raw.githubusercontent.com/tsuru/tsuru/master/misc/platforms-setup.js | mongo tsuru

这样它们就从 basebuilder 被安装到你指定的系统中，例如 Python：

docker build –no-cache -t tsuru/python https://raw.githubusercontent.com/flaviamissi/basebuilder/master/python/Dockerfile

将 Python 替换成其他平台（你可以检查 basebuilder 来获取支持的平台列表 ).