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Ubuntu桌面版搭建单机版CloudFoundry

时间:2015-07-29 19:19:52      阅读:343      评论:0      收藏:0      [点我收藏+]

标签:cloud foundry   vmware   paas   云平台   

一、简介

想来想去还是写个简介吧…

1.1 CloudFoundry

Cloud Foundry是VMware公司推出的一个开源PaaS云平台,似乎号称业界第一个。它支持多种框架、语言、运行时环境、云平台及应用服务,可以用于应用程序的部署和扩展。

它本身是基于Ruby on Rails编写的,有多个相对独立的子系统。系统之间通过消息机制(nats)通信,使平台在各层级都可水平扩展,既能在大型数据中心里运行,也能运行在一台桌面电脑中,二者使用相同的代码库。

1.2 PaaS

PaaSPlatform-as-a-Service的缩写,意思是平台即服务。区别语于传统IT架构和IaaS。盗一张图来区别他们,应该很好理解他们的区别了:

二、安装

说起来,其实安装很简单,只需要执行一条命令就可以:

bash < <(curl -s -k -B https://raw.githubusercontent.com/yudai/cf_nise_installer/${INSTALLER_BRANCH:-master}/scripts/bootstrap.sh)

但是别高兴的太早,这只是你苦逼路程的开始。好了,咱们从头说。

2.1 系统

我们使用的cf_nise_installer脚本进行安装,该脚本只支持Ubuntu10.04 and 12.04 64bit server。综合大部分资料,目前推荐的系统是Ubuntu 10.04 Server,但是我用的Ubuntu12.04桌面版也安装成功了,并可以正常运行,所有系统方面大家随意。

本文默认使用系统:Ubuntu12.04桌面版

2.2 cf_nise_installer

         本文的安装使用的是cf_nise_installer的脚本进行安装,正常情况下,该脚本是全自动与运行的。CloudFoundry所安装过程中涉及的所有安装及环境需要的包他都会下载安装并配置好。

         参考:https://github.com/yudai/cf_nise_installer

         一定要科学上网,一定要科学上网,一定要科学上网,重要的事情要说三遍,然而并没有卵用......

         整个过程中只需要执行两句命令:

sudo apt-get install curl
bash <<(curl -s -k -B https://raw.githubusercontent.com/yudai/cf_nise_installer/${INSTALLER_BRANCH:-master}/scripts/bootstrap.sh)

         过程中会各种断,尤其是下载buildpack包的时候,每个包都好几百兆,断了只能从头下载,尤其是buildpack_ruby接近1G的大小,下载过程中自求多福吧,个中辛苦谁下谁知道。

         既然说到了cf_nise_installer,就简单分析一下他的脚本,跟句命令来看,我们执行的是工程下scripts文件夹下的bootstrap.sh脚本,其中的内容是:

#!/bin/bash -ex

 

if [ ! -f /etc/lsb-release ] || \

   [ `uname -m` != "x86_64" ]; then

    echo "This installer supports only Ubuntu 10.04 and 12.04 64bit server"

    exit 1;

fi

 

# Git bootstrap

if ! (which git); then

    sudo apt-get update

    sudo apt-get install -y git-core

fi

 

INSTALLER_URL=${INSTALLER_URL:-https://github.com/yudai/cf_nise_installer.git}

INSTALLER_BRANCH=${INSTALLER_BRANCH:-master}

 

if [ ! -d cf_nise_installer ]; then

    git clone ${INSTALLER_URL} cf_nise_installer

fi

 

(

    cd cf_nise_installer

    git checkout ${INSTALLER_BRANCH}

    ./scripts/install.sh

)

脚本中可以看出,cf_nise_installer只支持Ubuntu10.04 and 12.04 64bit server,所以使用过程中请注意。接下来下载了cf_nise_installer工程之后调用了install.sh脚本,继续查看install.sh脚本:

#!/bin/bash -ex

 

# Detect RVM

if (rvm >/dev/null 2>&1); then

    echo "Found RVM is installed! RVM is not supported by this installer. Remove it and rerun this script."

    exit 1

fi

 

sudo apt-get update

 

./scripts/install_ruby.sh

source ~/.profile

 

./scripts/clone_nise_bosh.sh

./scripts/clone_cf_release.sh

 

./scripts/install_environemnt.sh

./scripts/install_cf_release.sh

 

set +x

echo "Done!"

echo "You can launch Cloud Foundry with ‘./scripts/start.sh‘"

echo "Restart your server before starting processes if you are using Ubuntu 10.04"

看到这脚本估计你会很高兴,因为主要你看到了一下几行字就代表你安装完成了:

set +x

echo "Done!"

echo "You can launch Cloud Foundry with ‘./scripts/start.sh‘"

echo "Restart your server before starting processes if you are using Ubuntu 10.04"

然而别高兴的太早,你的安装过程一定对的起苦逼二字的。

言归正传,继续看脚本,脚本先对RVM进行了判断,cf_nise_installer使用的是rbenv这个ruby安装工具,没有选择使用rvm。这个脚本照样没做啥正事,判断了一下rvm,然后又是调用了一堆脚本:

./scripts/install_ruby.sh

source ~/.profile

 

./scripts/clone_nise_bosh.sh

./scripts/clone_cf_release.sh

 

./scripts/install_environemnt.sh

./scripts/install_cf_release.sh

         别着急,一个一个的看,./scripts/install_ruby.sh:

#!/bin/bash -ex

 

if [ ! -d ~/.rbenv ]; then

    sudo apt-get -y install build-essential libreadline-dev libssl-dev zlib1g-dev git-core

    git clone https://github.com/sstephenson/rbenv.git ~/.rbenv

    git clone https://github.com/sstephenson/ruby-build.git ~/.rbenv/plugins/ruby-build

    echo ‘export PATH="$HOME/.rbenv/bin:$PATH"‘ >> ~/.profile

    echo ‘eval "$(rbenv init -)"‘ >> ~/.profile

fi

source ~/.profile

if ! (rbenv versions | grep -q 1.9.3-p484); then

    rbenv install 1.9.3-p484

fi

rbenv local 1.9.3-p484

 

gem install bundler --no-rdoc --no-ri

rbenv rehash

         很简单,这个脚本就是在装ruby及相关的包,继续看clone_nise_bosh.sh

#!/bin/bash -ex

 

if [ ! "$(ls -A nise_bosh)" ]; then

    git submodule update --init --recursive nise_bosh

 

 

    (

        cd nise_bosh

 

        if [ "" != "$NISE_BOSH_REV" ]; then

            git checkout $NISE_BOSH_REV

        fi

 

        echo "Using Nise BOSH revision: `git rev-list --max-count=1 HEAD`"

    )

else

    echo "‘nise_bosh‘ directory is not empty. Skipping cloning..."

fi

就像名字所说,下载nise_bosh项目。其实cf_nise_installer本来就是基于nise_bosh的一个脚本,真正执行安装的就是nise_bosh这个项目。nise_bosh本身是一个基于bosh的项目,把bosh关于IaaS层的内容去除,保留了虚拟机上组建安装的内容。所以使用nisebosh无需IaaS层的API支持,只需要虚拟机即可安装。继续看下边的脚本,clone_cf_release.sh:

#!/bin/bash -ex

 

CF_RELEASE_USE_HEAD=${CF_RELEASE_USE_HEAD:-no}

 

ruby_version=`rbenv version | cut -f1 -d" "` # to overwrite .ruby-version

 

if [ ! "$(ls -A cf-release)" ]; then

    if [ -z "${CF_RELEASE_URL}" ]; then

        git submodule update --init cf-release

    else

        rmdir cf-release

        git clone ${CF_RELEASE_URL} cf-release

    fi

 

    (

        cd cf-release

 

        if [ -n "${CF_RELEASE_BRANCH}" ]; then

            git checkout -f ${CF_RELEASE_BRANCH}

        fi

 

        if [ $CF_RELEASE_USE_HEAD != "no" ]; then

            # required to compile a gem native extension of CCNG

            sudo apt-get -y install git-core libmysqlclient-dev libpq-dev libsqlite3-dev libxml2-dev libxslt-dev

            gem install rake -v 0.9.2.2 --no-rdoc --no-ri # hack for collector

 

            git submodule update --init --recursive

            RBENV_VERSION=$ruby_version bundle install

            RBENV_VERSION=$ruby_version bundle exec bosh -n create release --force

        fi

    )

else

    echo "‘cf-release‘ directory is not empty. Skipping cloning..."

fi

         下载cf_release,如果存在则升级。cf_release是cf源码经过编译后的内容。源码下载下来之后,执行git submodule update --init --recursive把子模块submodule下载下来,再执行boshcreate release命令,就可以得到一个完整的cf_release。。在内网可以下载肉备好了,下边就开始调作料了,install_environemnt.sh:

#!/bin/bash -ex

 

(

    cd nise_bosh

    sudo ./bin/init

    sudo apt-get install -y libmysqlclient-dev libpq-dev

)

         这个脚本里又调用了一个新的脚本,nise_bosh/bin里的init脚本:

#!/bin/bash -ex

 

bosh_app_dir=/var/vcap

bosh_dir=${bosh_app_dir}/bosh

 

apt-get update

 

# emulating stemcell_builder/stages/image_install_grub/apply.sh

if [ `lsb_release -cs` ==  "trusty" ]; then

    if (sed -i -e ‘s/GRUB_CMDLINE_LINUX=""/GRUB_CMDLINE_LINUX="cgroup_enable=memory swapaccount=1"/‘ /etc/default/grub); then

        update-grub

    else

        echo Your /etc/default/grub is modified from the default

        exit 1

    fi

fi

 

# stemcell_builder/stages/base_apt/apply.sh

DEBIAN_FRONTEND=noninteractive apt-get install -o Dpkg::Options::="--force-confnew" -f -y \

--force-yes --no-install-recommends \

build-essential libssl-dev lsof \

strace bind9-host dnsutils tcpdump iputils-arping \

curl wget libcurl3 libcurl3-dev bison libreadline6-dev \

libxml2 libxml2-dev libxslt1.1 libxslt1-dev zip unzip \

nfs-common flex psmisc apparmor-utils iptables sysstat \

rsync openssh-server traceroute libncurses5-dev quota \

libaio1 gdb tripwire libcap2-bin libyaml-dev

 

# stemcell_builder/stages/bosh_monit/apply.sh

DEBIAN_FRONTEND=noninteractive apt-get install -o Dpkg::Options::="--force-confnew" -f -y \

--force-yes --no-install-recommends runit

 

# installed somewhere else

DEBIAN_FRONTEND=noninteractive apt-get install -o Dpkg::Options::="--force-confnew" -f -y \

--force-yes --no-install-recommends gettext

 

# bosh_agent/lib/bosh_agent/platform/ubuntu/templates/logrotate.erb

cat <<EOF > /etc/logrotate.d/nise_bosh

/var/vcap/sys/log/*.log /var/vcap/sys/log/*/*.log /var/vcap/sys/log/*/*/*.log {

  missingok

  rotate 7

  compress

  delaycompress

  copytruncate

  size=100M

}

EOF

 

# stemcell_builder/stages/bosh_users/apply.sh

if [ `cat /etc/passwd | cut -f1 -d ":" | grep "^vcap$" -c` -eq 0 ]; then

    addgroup --system admin

    adduser --disabled-password --gecos Ubuntu vcap

 

    for grp in admin adm audio cdrom dialout floppy video plugdev dip

    do

        adduser vcap $grp

    done

else

    echo "User vcap exists already, skippking adduser..."

fi

 

# stemcell_builder/stages/system_kernel/apply.sh

if [ -d /boot/grub ]; then

    if [ `lsb_release -cs` ==  "lucid" ]; then

        variant="lts-backport-oneiric"

 

        # Headers are needed for open-vm-tools

        DEBIAN_FRONTEND=noninteractive apt-get install -o Dpkg::Options::="--force-confnew" -y -f \

            linux-image-virtual-${variant} linux-headers-virtual-${variant}

    else

        DEBIAN_FRONTEND=noninteractive apt-get install -o Dpkg::Options::="--force-confnew" -y -f \

            linux-image-virtual linux-image-extra-virtual

    fi

fi

# stemcell_builder/stages/bosh_monit/apply.sh

monit_basename=monit-5.2.4

(

    cd /tmp

    wget "http://mmonit.com/monit/dist/${monit_basename}.tar.gz" -O ${monit_basename}.tar.gz

    tar xvzf ${monit_basename}.tar.gz

    cd ${monit_basename}

    ./configure --prefix=$bosh_dir --without-ssl

    make -j4 && make install

)

mkdir -p $bosh_dir/etc

cat <<EOF > /$bosh_dir/etc/monitrc

set daemon 10

set logfile /var/vcap/monit/monit.log

 

set httpd port 2822 and use address 127.0.0.1

  allow cleartext /var/vcap/monit/monit.user

 

include /var/vcap/monit/*.monitrc

include /var/vcap/monit/job/*.monitrc

EOF

chmod 0700 $bosh_dir/etc/monitrc

mkdir -p $bosh_app_dir/monit

touch $bosh_app_dir/monit/empty.monitrc

 

echo Done.

 

if [ ! -d /sys/fs/cgroup ]; then

    echo "Restart may be required"

fi

下载了茫茫多的东西…作料撒上了,接着开始炖了install_cf_release.sh:

#!/bin/bash -ex

 

NISE_IP_ADDRESS=${NISE_IP_ADDRESS:-`ip addr | grep ‘inet .*global‘ | cut -f 6 -d ‘ ‘ | cut -f1 -d ‘/‘ | head -n 1`}

 

./scripts/generate_deploy_manifest.sh

 

(

    cd nise_bosh

    bundle install

 

    # Old spec format

    sudo env PATH=$PATH bundle exec ./bin/nise-bosh -y ../cf-release ../manifests/deploy.yml micro -n ${NISE_IP_ADDRESS}

    # New spec format, keeping the  monit files installed in the previous run

    sudo env PATH=$PATH bundle exec ./bin/nise-bosh --keep-monit-files -y ../cf-release ../manifests/deploy.yml micro_ng -n ${NISE_IP_ADDRESS}

)

         这里边又出现了一个脚本generate_deploy_manifest.sh:

#!/bin/bash -ex

 

NISE_IP_ADDRESS=${NISE_IP_ADDRESS:-`ip addr | grep ‘inet .*global‘ | cut -f 6 -d ‘ ‘ | cut -f1 -d ‘/‘ | head -n 1`}

 

sed "s/192.168.10.10/${NISE_IP_ADDRESS}/g" manifests/template.yml > manifests/deploy.yml

 

if [ "${NISE_DOMAIN}" != "" ]; then

    if (! sed --version 1>/dev/null 2>&1); then

        # not a GNU sed

        sed -i ‘‘ "s/${NISE_IP_ADDRESS}.xip.io/${NISE_DOMAIN}/g" manifests/deploy.yml

    else

        sed -i "s/${NISE_IP_ADDRESS}.xip.io/${NISE_DOMAIN}/g" manifests/deploy.yml

    fi

fi

 

if [ "${NISE_PASSWORD}" != "" ]; then

    if (! sed --version 1>/dev/null 2>&1); then

        # not a GNU sed

        sed -i ‘‘ "s/c1oudc0w/${NISE_PASSWORD}/g" manifests/deploy.yml

    else

        sed -i "s/c1oudc0w/${NISE_PASSWORD}/g" manifests/deploy.yml

    fi

fi

         这个脚本的主要作用就是新建一个deploy.yml并修改ip等一些东西。

         所有脚本执行完毕,安装也完毕了,重启机器。后,执行~/cf_nise_installer/script/start即可启动服务。

2.3启动

         重启后,在~/cf_nise_installer/script下执行./start.sh,程序会自动启动。

#!/bin/bash -ex

 

path=`dirname $0`

cd "$path"/../

 

sudo /var/vcap/bosh/bin/monit

sleep 5

 

for process in \

    postgres \

    nats

do

    sudo /var/vcap/bosh/bin/monit start $process

    sleep 30

done;

 

sudo /var/vcap/bosh/bin/monit start all

 

 

echo "Waiting for all processes to start"

for ((i=0; i < 120; i++)); do

    if ! (sudo /var/vcap/bosh/bin/monit summary | tail -n +3 | grep -v -E "running$"); then

        break

    fi

    sleep 10

done

 

if (sudo /var/vcap/bosh/bin/monit summary | tail -n +3 | grep -v -E "running$"); then

    echo "Found process failed to start"

    exit 1

fi

 

set +x

echo "All processes have been started!"

api_url=`grep srv_api_uri: ./manifests/deploy.yml | awk ‘{ print $2 }‘`

password=`grep ‘ - admin‘ ./manifests/deploy.yml | cut -f 2 -d ‘|‘  `

echo "Login : ‘cf login -a ${api_url} -u admin -p ${password} --skip-ssl-validation‘"

echo "Download CF CLI from https://github.com/cloudfoundry/cli"

         其实就是使用/var/vcap/bosh/bin/monit进行启动,手动执行效果也是一样的。

         可能会出现warden无法启动的情况,如果无法启动,执行下边三天命令:

$umount /home/yourname/.gvfs

$find . -inum 554009 -exec rm{} \;

$rm -rf .gvfs

         删除后执行sudo /var/vcap/bosh/bin/monitrestart warden 重启warden服务。同时也可以使用sudo /var/vcap/bosh/bin/monit summary来监控服务状态。全部启动如下图:

 技术分享

版权声明:本文为博主原创文章,未经博主允许不得转载。

Ubuntu桌面版搭建单机版CloudFoundry

标签:cloud foundry   vmware   paas   云平台   

原文地址:http://blog.csdn.net/wslg1010/article/details/47131645

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