jjasghar

Application specific host grouping in Riemann-dash

It is generally desirable to group all the hosts for a specific service into a single dashboard view. For example, all the web servers are in single view while all the database servers are in another view.

This is usually not an issue when you are sending custom metrics using Riemann client. However, there are cases where you are using something that you do not control how the metrics are being sent. i.e., Riemann-tools.

Since Riemann-tools scripts are application agnostic, in order for the dashboard view to group hosts, we must inject some application specific information into the tags field. Tags is a collection of arbitrary strings. In the case of Riemann-tools scripts you can pass in arbitrary strings on the command line.

riemann-health --host 127.0.0.1 --tag "prod" --tag "webserver"

jjasghar

INSTALL
=======

$ gem install rspec

RSPEC-RAILS
===========

  RAILS-3
  =======

jjasghar

app = node[:rails][:app]

rails_base app[:name] do
  ruby_ver app[:ruby_ver]
  gemset app[:gemset]
end

%w{config log pids cached-copy bundle system}.each do |dir|
  directory "#{app[:app_root]}/shared/#{dir}" do
    owner app[:deploy_user]

jjasghar

#!/bin/sh
# linux firewall/forwarding
modprobe iptable_nat
echo 1 | tee /proc/sys/net/ipv4/ip_forward
iptables -t nat -A POSTROUTING -s 10.10.10.1/2 -o eth0 -j MASQUERADE
# install openvpn
apt-get update && apt-get install -y openvpn
cd /etc/openvpn/
INSTANCE=$(curl http://169.254.169.254/latest/meta-data/public-hostname)
openvpn --genkey --secret ${INSTANCE}.key

jjasghar

Getting Started with NPM (as a developer)

If you haven't already set your NPM author info, now you should:

npm set init.author.name "Your Name"
npm set init.author.email "you@example.com"
npm set init.author.url "http://yourblog.com"

npm adduser

jjasghar

wget https://github.com/downloads/github/hubot/hubot-1.1.9.tar.gz
tar zxvf hubot-*.tar.gz
cd hubot
vim Procfile
app: bin/hubot -a gtalk -n Hubot
vim bin/hubot
#npm install
#heroku logs will be more silence the error if remove the npm install from bin/hubot

git init

jjasghar

# Description:
#   This script receives pages in the formats
#        /usr/bin/curl -d host="$HOSTALIAS$" -d output="$SERVICEOUTPUT$" -d description="$SERVICEDESC$" -d type=service -d state="$SERVICESTATE$" $CONTACTADDRESS1$
#        /usr/bin/curl -d host="$HOSTNAME$" -d output="$HOSTOUTPUT$" -d type=host -d state="$HOSTSTATE$" $CONTACTADDRESS1$
#
# Author:
#   oremj

irc = require('irc')

jjasghar

#!/bin/sh

### BEGIN INIT INFO
# Provides:          statsd
# Required-Start:    $local_fs $remote_fs $network $syslog
# Required-Stop:     $local_fs $remote_fs $network $syslog
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: starts the statsd node server
# Description:       starts statsd using nodejs forever

jjasghar

apt = execute "apt-get update" do
  action :nothing
end

if 'debian' == node['platform_family']
  if !File.exists?('/var/lib/apt/periodic/update-success-stamp')
    apt.run_action(:run)
  elsif File.mtime('/var/lib/apt/periodic/update-success-stamp') < Time.now - 86400
    apt.run_action(:run)
  end

jjasghar

require 'base64'
require 'time'
require 'digest/sha1'
require 'openssl'
require 'net/https'
require 'json'

class Chef

  attr_accessor :http, :path