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发表于 2012-07-19 22:12 |只看该作者 |倒序浏览

本帖最后由 ulovko 于 2012-07-20 09:51 编辑

The joy of successfully getting a website to run on a bare install server was gone
when I had to do it for the twentieth time.
This is when I decided to get a Puppetmaster running for Twoppy.
Took me a week to automate the process of getting a Django server
and adding it to the loadbalancer, not a bad experience,
but since I’m an FreeBSD evangelist I heard
that CFengine is a faster, leaner tool to get servers running, especially FreeBSD.

When a new overhaul called CFengine3 came out,
along with the book Learning CFengine 3 there was nothing to stop me from trying it.
So I decided to setup CFengine so I can use it for our new project Invy.
Except that installing it on the Mac (with Homebrew) proofed to be a pain in the buttocks.
So, here is how to ignore the Mac and set it up on FreeBSD and start playing with CFengine3.

Installation from Ports
We are going to install CFengine3 from the ports, so make sure you have the latest ports available on your system.
You can check with:

portsnap fetch update

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CFengine is located in the sysutils/cfengine3 directory. Install it as root:

cd /usr/ports/sysutils/cfengine3
make install clean

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I choose the default setup with Tokyo Cabinet. First we will need to create a private and public key pair:

/usr/local/sbin/cf-key

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We have to copy the binaries to the CFengine directory, so CFEngine can find them. Not sure why this is needed, probably because CFengine wants to be able to verify them.

cp /usr/local/sbin/cf-* /var/cfengine/bin/

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Our server expects the master files, meaning the main configuration files under the /var/cfengine/masterfiles/ directory. We need to copy the default files there:

cp -Rp /usr/local/share/cfengine/CoreBase/ /var/cfengine/masterfiles

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The last step is bootstrapping CFengine, which copies the configuration files to their final working location and starts the daemon. For this you need to know the ip address, you can find this with ifconfig. With the ip address, run the following command:

cf-agent --bootstrap --policy-server <your-ip-address>

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If everything went fine, you should be presented with Bootstrap to <your-ip-address> completed successfully. Final step is adding CFengine to your /etc/rc.conf, so that it starts on every boot.

# Enable Cfengine 3
cf_execd_enable="YES"
cf_serverd_enable="YES"

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I completed the above installation on a FreeBSD virtual machine (with Parallels) and am now following along with the Learning CFengine 3 book. Hopefully I can present you with a Github repository that will setup a FreeBSD server for your web application anytime soon!