vjanelle

Monitoram 2019 Notes

What should I watch?

1. Taking Human Performance Seriously In Software - John Allspaw
2. Chaos Engineering Traps - Nora Jones
3. A story of one SLO - Piotr Holubowicz
4. Tradeoffs on the Road to Observability - Liz Fong-Jones
5. Software Supply Chain Observability with Grafeas and Kritis - Aysylu Greenberg
6. Logs, Metrics, and the Evolution of Observability at Coinbase - Luke Demi

vjanelle

######################
### DESIGN CHANGES ###
######################

# panes
set -g pane-border-fg black
set -g pane-active-border-fg brightred

## Status bar design
# status line

vjanelle

######################
### DESIGN CHANGES ###
######################

# panes
set -g pane-border-fg black
set -g pane-active-border-fg brightred

## Status bar design
# status line

vjanelle

#!/usr/bin/env python

import boto3

config = {}

config['region'] = 'us-west-2'

rds = boto3.client('rds', region_name=config['region'])
ec2 = boto3.resource('ec2', region_name=config['region'])

vjanelle

# -*- mode: ruby -*-
# vi: set ft=ruby :

# This configuration requires Vagrant 1.1 or newer and two plugins:
#
#   vagrant plugin install vagrant-hosts
#   vagrant plugin install vagrant-auto_network
#
# If using Vagrant boxes provided by PuppetLabs, verions 4.2.10 of VirtualBox
# is reccomended.

vjanelle

resource "null_resource" "subnets" {
  triggers {
    subnets = "${var.private_subnets.us-west-2a},${var.private_subnets.us-west-2b},${var.private_subnets.us-west-2c}"
  }
}
resource "aws_elasticache_subnet_group" "elasticache" {
  name = "${var.name}-${var.envtag}"
  description = "${var.name} subnet group for ${var.envtag}"
  subnet_ids = [ "${compact("${split(",","${null_resource.subnets.triggers.subnets}")}")}" ]
}

vjanelle

  config.vm.provider "vmware_fusion" do |v|
    v.vmx["scsi0:1.filename"] = "disk2.vmdk"
    v.vmx["scsi0:1.present"] = "TRUE"
    v.vmx["scsi0:1.redo"] = ""
  end

vjanelle

define foo::test (
$var = 1,
$var_x = "test_${$var}",
) {
  notice($var_x)
}

foo::test { 'test': }

foo::test { 'test2':

vjanelle

# find_ip_by_interface.rb
#
# Attempts to discover which interface will serve a particular destination
#

require 'ipaddr'

module Puppet::Parser::Functions
    newfunction(:find_ip_by_interface, :type => :rvalue) do |args|
        address = IPAddr.new(args[0])

vjanelle

# Fact:
#   macaddresses to interfaces
#
# Purpose:
#   Make a fact to detail the interfaces for a normalized mac address
#
# Caveats:
#   Only tested on linux, deals with 802.3ad bonded links, but I have not
#   tested other kinds of interfaces
#