johndstein

# Here is how to install nvm and node in an Ansible task.
# I tried a bunch of different things, and as usual it's simple, but you have to get it right.
# The important part is that you have to shell with /bin/bash -c and source nvm.sh
---
- name: Install nvm
  shell: >
    curl https://raw.githubusercontent.com/creationix/nvm/v0.7.0/install.sh | sh
    creates=/home/{{ ansible_user_id }}/.nvm/nvm.sh

- name: Install node and set version

johndstein

# Install mongodb 
---
- name: Add mongo ppa key
  sudo: yes
  apt_key: >
    keyserver=hkp://keyserver.ubuntu.com:80
    id=7F0CEB10
    state=present

- name: Add mongo sources list

johndstein

# probably a better more ansible way.
---
- name: Install zeromq 4.0.4
  sudo: yes
  shell: >
    bash -c "wget http://download.zeromq.org/zeromq-4.0.4.tar.gz
    && tar xf zeromq-4.0.4.tar.gz
    && cd zeromq-4.0.4
    && ./configure
    && make

johndstein

sudo apt-get update
sudo apt-get -y install software-properties-common python-software-properties

johndstein

docker run -i -t ubuntu:12.04 /bin/bash

apt-get update
apt-get install -y openssh-server
mkdir /var/run/sshd

mkdir /root/.ssh
echo "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCwoal3xxr7FV0n2ozHa68XWCO14Z4oWfFz6RL+uWkMwRJ5MmmEyuVaH4DVEhAy5SAxShfRrELLzQn1nvaUCv7Ta8I0qoe/1l5DTDgU25Z4AAKLzn3gLudiW1hfpU1WOEUBVoEk+UpJ4lILFlMgSB0vpGwyiAqHteMafY26JVTwWYWPTnaVFl1HBJHIOjSa0extu23w7yp80g5e7ds/yYOX8GyCCjqfUwRtMdbsL6LTPomM92k3T+EiueLUfvAleE/G2hlVPJRweyibbSlaL2teh9AWx083kUiWyUyUT4kdJ4W1THors5v1koZHdAsgtXv6LKIMxwdapT7MmSOI0dmd vagrant@vagrant-ubuntu-precise-64" > /root/.ssh/authorized_keys

!!!! IMPORTANT !!!!

johndstein

var Promise = require('bluebird');
var winston = require('winston');

// returns big old file report json from mcube if found or null if
// not found.
function doMcube(md5) {
  return Promise.resolve({
    some: {
      crazy: 'json'
    }

johndstein

var Promise = require('bluebird');
var https = require('https');
var config = require('config');
var fs = require('fs');
var _ = require('lodash');

function _readFileSafe(path) {
  try {
    return fs.readFileSync(path);
  } catch (err) {

johndstein

var Promise = require('bluebird');
var request = require('request');
var https = require('https');
var config = require('config');
var fs = require('fs');

function _readFileSafe(path) {
  try {
    return fs.readFileSync(path);
  } catch (err) {

johndstein

song	key	notes
blue suede shoes	C
I'm a believer	G	hang g end
hang on sloopy	G
save the last dance for me	E	123 bass
hold me, thrill me, kiss me,	E
this magic moment	C	high c
kiss the girl	C
sugar sugar	D

johndstein

Kafka Cheat Sheet

Display Topic Information

$ kafka-topics.sh --describe --zookeeper localhost:2181 --topic beacon
Topic:beacon	PartitionCount:6	ReplicationFactor:1	Configs:
	Topic: beacon	Partition: 0	Leader: 1	Replicas: 1	Isr: 1
	Topic: beacon	Partition: 1	Leader: 1	Replicas: 1	Isr: 1