Installing scalr

[Paul Rysevets]

As i haven't found any preBuild AMI's Let's move here.

IMA: Zend PHP WebDev with 3+ years of Zend.. working with aFrogLeap.com Team. I'm a php-dev but i've been granted Admining job.. and Server strategist. 

my Beloved ServerPlatform is freeBSD, however it does not run well in Clouds(not yet).

i've got used to Debian, and i don't know "the biggest difference" between Ubuntu and Debian (as i know one is built on top of the other).

I'll be writing some questions here.. and, probably, answers.

I'm reading http://wiki.scalr.net/display/docs/Open-Source+Installation

and trying to install scalr on a "private" server.

in the end i want to get scalr running on: Debian Squeeze, nginx, php5-fpm(let's stick to 5.3.X.. but i can try 5.4.X.. there is still time)

teh Setup.

i've got an Amazon Instance m1.small (let's start from it) with Debian Squeeze 6.0.1.

As i'm in europe i've used ami-0f01367b from http://wiki.debian.org/Cloud/AmazonEC2Image

nginx + php5-fpm:

let's use latest backported and add php5-fpm:

echo "deb http://backports.debian.org/debian-backports squeeze-backports main" >> /etc/apt/sources.list.d/squeeze-backports.list

echo "deb http://packages.dotdeb.org squeeze all" >> /etc/apt/sources.list.d/dotdeb.list

echo "deb-src http://packages.dotdeb.org squeeze all" >> /etc/apt/sources.list.d/dotdeb.list 

wget http://www.dotdeb.org/dotdeb.gpg
cat dotdeb.gpg | apt-key add -

apt-get update

then
apt-get -t squeeze-backports install "nginx"

apt-get install php5-cli php5-common php5-suhosin php5-fpm

so far so good.. i'll be configuring everything at a later stage.

now. i've got into trouble.

rrdtool :) 

"vanilla" scalr 3.5 installation manual says it needs rrdtool 1.3.X(latest found 1.3.9), and a "special" build of php_rrdtool.

Now i'm stuck in compiling old rrdtool with some wierd dependencies that do not want to be linked to other sources.. so i want to drop that idea. and stick to KISS (Keep It Simple, S*)

Neighboring discussion states that "vanilla" could be patched to use latest php_rrdtool

so let's see.

https://github.com/ssrini/scalr - HAS it patched.. but https://github.com/scalr-community/scalr-community is, however, NOT.

so, Question IS: Can i use latest rrdtool + latest php_rrdtool + patched scalr? i.e. is it likely to break something "inside" scalr?

(i am able to read and manually patch/fix php code with no problem)

[Donovan Bray]

I suggest using the latest Ubuntu LTS instead of Debian. Missing or woefully out of date packages are the norm for Debian. I've supported FreeBSD, Debian and Ubuntu. I much prefer Ubuntu for fewest headaches and a big toolbox of options when something goes wrong. 

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[Srinivasan S]

If you are a Centos fan almost all RPMs needed are in the REMI repo.

Cheers
Srini

Sent on my BlackBerry® from Vodafone

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From: Donovan Bray <donn...@gmail.com>

Sender: scalr-...@googlegroups.com

Date: Tue, 7 Aug 2012 08:17:37 -0700

To: scalr-...@googlegroups.com<scalr-...@googlegroups.com>

ReplyTo: scalr-...@googlegroups.com

Subject: Re: Installing scalr

[Paul Rysevets]

Okay, i'm back.

The setup is almost finished.. no bind and snmp daemon (which seems to be needed, but not listed in Installation guide)

i've been able to run manually all cron-jobs.. and got a question

cron.php --RotateLogs

shows only 1 log line.. and nothing happnes. i've waited for a few minutes. and terminated it.

Q: is it a "normal" behavior?

and as i've been able to login to scalr dashboard...

Have i just installed a multi-user scalr on my host??? Like, every account that i create with "admin" is a "separate" Scalr account. Is that so? 

or i'm seeing "enter your AWS Credentials" just at first user's first login, and later all users will be "sub-users" to 1 big AWS-Account.

as a side-note: i now have nginx rewrite-rules for scalr ;) i'll show them later

[Sebastian Stadil]

Correct, you now have about the same install as we have at scalr.net.

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[Paul Rysevets]

Question: why BIND-paths are hardcoded in php code? (in few places)

Why are they not in CONFIG?

Okay, I can deal with /usr/sbin/rndc binary.. but client_zones?

 

If I move the setting(-s) to CONFIG.. will this somehow affect “satellites”?

 

 

From: scalr-...@googlegroups.com [mailto:scalr-...@googlegroups.com] On Behalf Of Sebastian Stadil
Sent: Wednesday, August 08, 2012 21:46
To: scalr-...@googlegroups.com
Subject: Re: Installing scalr

 

Correct, you now have about the same install as we have at scalr.net.

[Igor Savchenko]

This is a long story, and basically we had no time to refactor this
when we've released code to opensource. So not everything is in
configs.
In one of the future releases, of course this will be refactored.

Regards,
Igor

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[Paul Rysevets]

I've modified.. ~3 files including core.js and it seems to be working.. with
BIND in CONFIG-Class

But.. if you create an EMPTY zones.include file...
The PHP check for FALSEness does not work.
In scalr/app/src/Scalr/Net/Dns/Bind/Transports/LocalFs.php

So this
-----
$retval = @file_get_contents("{$this->zonesPath}/zones.include");
if (!$retval)
throw new Exception("Cannot load {$this->zonesPath}/zones.include file");
.....
-----
Should be this
-----
$retval = @file_get_contents("{$this->zonesPath}/zones.include");
if ($retval === false)
throw new Exception("Cannot load {$this->zonesPath}/zones.include file");
....
-----

Ppl,.. I'm considering ... Fixing your bugs for Premium support of me Barter
Program ;)

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Best regards, Paul -Spawn- Rysevets
SpAwN_gUy.aka.WAREZMasta