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Jul
29

Drizzle needs you

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Use MySQL, but want to follow the new kid on the block?
Want to help contribute to Drizzle?

We are seeking help in compiling across different platforms.
Please help us by becoming a buildbot slave.

There are detailed instructions, so now is the time to take a few minutes and help out the project.

The Drizzle Buildbot is hosted and supported by 42SQL.

Posted under Databases, Drizzle, MySQL, Open Source, Professional on 29 Jul 2008
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Jul
29

Building sources with BuildBot

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Unless your in the desert under a rock (where rain is clearly needed), you will have heard of Drizzle - A Lightweight SQL Database for Cloud and Web. My company 42SQL is sponsoring the BuildBot for the Drizzle project. BuildBot is a system to automate the compile/test cycle required by most software projects to validate code changes.

Check out Installing Buildbot for what’s necessary to get a working installation. This is necessary for the Master and Slaves.

Configuration was a little more complicated then expected, due to lack of accurate documentation, and reading old docs at sourceforge. Be sure now to read here.

This is a step by step approach I used to successfully configure Drizzle Build Bot (Master and Slave).

1. Create OS User.

su -
useradd buildbot
su - buildbot

2. Create Master Installation

buildbot create-master /home/buildbot/master
cd /home/buildbot/master
cp master.cfg.sample master.cfg
vi master.cfg

Here is a diff of what simple changes I made to the master.cfg.sample work in my environment.

$ diff master.cfg.sample master.cfg
23c23
< c['slaves'] = [BuildSlave("bot1name", "bot1passwd")]
---
> c['slaves'] = [BuildSlave("centos5_64", "paSSw0rd")]
95c95
< cvsroot = ":pserver:anonymous@cvs.sourceforge.net:/cvsroot/buildbot"
---
> cvsroot = “:pserver:anonymous@buildbot.cvs.sourceforge.net:/cvsroot/buildbot”
105c105
< f1.addStep(Trial(testpath="."))
---
> #f1.addStep(Trial(testpath=”.”))
108c108
< 'slavename': "bot1name",
---
>       ’slavename’: “centos5_64″,
148c148
< #c['debugPassword'] = "debugpassword"
---
> c['debugPassword'] = “paSSw0rd”
156c156
< #                                       "admin", "password")
---
> #                                       “admin”, “paSSw0rd”)
166,167c166,167
< c['projectName'] = "Buildbot"
< c['projectURL'] = "http://buildbot.sourceforge.net/"
---
> c['projectName'] = “Drizzle Buildbot”
> c['projectURL'] = “https://launchpad.net/drizzle/”

Initially I’m just going to test with a CVS checkout of buildbot to confirm operations.
NOTE: The example provided pserver URL in master.cfg.sample is invalid.

3. Start Master

buildbot start /home/buildbot/master > start.log
tail -f /home/buildbot/master/twistd.log

4. Confirm Master

lynx http://drizzlebuild.42sql.com:8010

5. Create Slave

buildbot create-slave /home/buildbot/slave drizzlebuild.42sql.com:9989 centos5_64 PaSSw0rd

I got stuck here based on docs, be sure the port number is the client port.

6. Configure Slave

cd /home/buildbot/slave/info
echo "Ronald Bradford < ronald .bradford @ google mail >" > admin
echo "Drizzle CentOS 5 64bit "`uname -a` > host
cat admin host

7. Start Slave

cd /home/buildbot/slave
buildbot start /home/buildbot/slave > start.log
tail -f /home/buildbot/slave/twistd.log

8. Confirm Slave

If everything is working by the time you look at the twistd.log you will see work happening.
You can also via the web interface and see in Lasted Builds the first build is working.

9. Stop Services

To stop the BuildBot master and slave.

buildbot stop /home/buildbot/master
buildbot stop /home/buildbot/slave

10. Change Master Configuration

Should you make any changes to master.cfg the following command will re-read the configuration file.

buildbot sighup /home/buildbot/master

11. Startup
The following was added to cron

@reboot buildbot start /home/buildbot/master
@reboot buildbot start /home/buildbot/slave

The @reboot is new sytax for me, so I can’t yet confirm it’s operation.

If you want to be a build slave for Drizzle, check out Instructions here

Posted under 42SQL, Databases, Drizzle, MySQL on 29 Jul 2008
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