DavidWittman

#!/usr/bin/env python

#
# nova_nuke.py
#   usage: nova_nuke.py <uuid>
#
# Forcefully removes an instance from the Nova database.
# Useful for destroying instances stuck in an 'error' or 'deleting' state.
#
# Completes the following actions:

DavidWittman

Vagrant.configure("2") do |config|
  config.vm.box = "dummy"
  config.vm.synced_folder './vagrant', '/vagrant'
  config.ssh.private_key_path = File.expand_path("~/.ssh/id_rsa")

  ENV['VAGRANT_DEFAULT_PROVIDER'] = "rackspace"

  config.vm.provider :rackspace do |rs, override|
    override.vm.box = 'dummy'
    override.vm.box_url = 'https://github.com/mitchellh/vagrant-rackspace/raw/master/dummy.box'

DavidWittman

#!/bin/bash

SECONDS_SINCE_LAST_SEGFAULT=$(( $(date '+%s') - $(date -d "$(fgrep segfault /var/log/syslog | tail -1 | awk '{ print $1,$2,$3 }')" '+%s') ))

echo "IT HAS BEEN"
echo -ne "\e[00;33m"
figlet -f big $SECONDS_SINCE_LAST_SEGFAULT
echo -ne "\e[00m"
echo "SECONDS SINCE THE LAST SEGFAULT!"

DavidWittman

[root@iadesapp0 ~]# iptables -t nat -vnL | grep 51008
[root@iadesapp0 ~]# vzctl start 1007
Starting container...
Warning: configuration file for distribution OR-centos-6.4-x86_64 not found, using defaults from /etc/vz/dists/default
Adding NAT rules for ports 31008,41008,51008,61008
VZ mount is iadesapp0vz7
mount: special device /data/iadesapp0vz7 does not exist
Container is mounted
/etc/vz/conf/vps.mount: line 36: /etc/vz/conf/vps-set-io.sh: No such file or directory
Adding IP address(es): 10.57.152.45

DavidWittman

Piping data from Mongostat to Elasticsearch with Logstash

Requirements

• Logstash 1.5.x
  • If you want to run Logstash 2.x, see the section titled Logstash 2.x below
• Mongostat 2.8+ (for support of the --json flag)

Preparation

DavidWittman

Keybase proof

I hereby claim:

• I am DavidWittman on github.
• I am daveops (https://keybase.io/daveops) on keybase.
• I have a public key whose fingerprint is 7DA6 052D DCB6 ADA4 00A7 EFDF FF43 3B38 9A3F DB4B

To claim this, I am signing this object:

DavidWittman

#!/usr/bin/env bash

# s3cmd helper script to prompt for GPG passphrase for encrypting/decrypting

S3CMD_CONFIG=${S3CMD_CONFIG:-"$HOME/.s3cfg"}
S3CMD="$(which s3cmd)"

if [[ -z "$GPG_PASSPHRASE" ]]; then
    # Add the -s flag here to hide the passphrase
    read -r -p "Encryption passphrase: " GPG_PASSPHRASE

DavidWittman

package main

import (
	"flag"
	"fmt"
	"github.com/andybons/hipchat"
	"log"
	"os"
	"path"
	"strings"

DavidWittman

Reloading stunnel configurations when in a chroot

Example stunnel config

# /etc/stunnel/stunnel.conf
cert = /etc/stunnel/cert.pem
sslVersion = TLSv1 TLSv1.1 TLSv1.2

chroot = /var/run/stunnel/

DavidWittman

List the number of primary shards per data node in Elasticsearch:

curl -s localhost:9200/_cat/shards?h=node,prirep | awk '
$2 == "p" { 
  result[$1] += 1; total += 1
}
END {
  for (var in result)
 printf "%s\t%s (%0.2f%%)\n",var,result[var],result[var]/total*100