thejohnny

Cloud-Init Debugging

Cloud-init combined with terraform can be a powerful tool to provision instances on startup. Debugging scripts that are run by cloud-init however are not the easiest to debug.

Logs

Usually on an Ubuntu machine a lot of what is happening can be found in the syslog

cat /var/log/syslog

Keybase proof

I hereby claim:

I am thejohnny on github.
I am thejohnny (https://keybase.io/thejohnny) on keybase.
I have a public key ASDcNAVyyNn-Oy3EnNs75PynuhYFnZfu0-x9BTzLG0ICXAo

To claim this, I am signing this object:

	# Change the path below to your own audit log path.
	/var/log/vault/audit.log {
	rotate 30
	daily
	# Do not execute rotate if the log file is empty.
	notifempty
	missingok
	compress
	# Set compress on next rotate cycl to prevent entry loss when performing compression.
	delaycompress

-#!/usr/bin/env bash
-#
-# delete-ami
-#
-# A script to deregister an Amazon Machine Image (AMI) and
-# delete its corresponding root device snapshot.
-#
-##### Functions

	data "template_file" "sts_assume_role" {
	template = "${file("${path.module}/templates/policies/sts-assume-role.json")}"

	vars {
	sts_external_id = "${var.sts_external_id}"
	}
	}

	resource "aws_iam_role" "main" {
	name = "DatadogAWSIntegrationRole"

	# List public hostnames of instances in an Elastic Load Balancer (ELB)

	instances=`elb-describe-instance-health name-of-elb --show-long \| cut -d"," -f2`
	for instance in $instances
	do
	echo $instance -\> `ec2-describe-instances $instance \| egrep "^INSTANCE" \| cut -f4`
	done

	# same as one-liner
	#for instance in `elb-describe-instance-health name-of-elb --show-long \| cut -d"," -f2`; do echo $instance -\> `ec2-describe-instances $instance \| egrep "^INSTANCE" \| cut -f4`; done

	task :add_github_to_known_hosts do
	run "ssh [email protected] -o StrictHostKeyChecking=no -o'HostKeyAlgorithms=ssh-rsa' 2&1> /dev/null"
	run "ssh [email protected] -o StrictHostKeyChecking=no -o'HostKeyAlgorithms=ssh-dss' 2&1> /dev/null"
	end

	1)
	RuntimeError in 'CampaignPolicy Simple Policy Matching should be able to find promo policies by criteria'
	[#<DataMapper::Validate::ValidationErrors:0x106bd9460 @resource=#<Criterion::Request @id=nil @campaign_policy_id=1 @host="http://www.videojuicer.com" @path="/" @http_query=nil @exclude=nil @created_at=nil @updated_at=nil>, @errors={}>, #<DataMapper::Validate::ValidationErrors:0x106bd93c0 @resource=#<Criterion::Affiliate @id=nil @campaign_policy_id=1 @user_id=1 @created_at=nil @updated_at=nil>, @errors={}>, #<DataMapper::Validate::ValidationErrors:0x106bd8740 @resource=#<Criterion::DateRange @id=nil @campaign_policy_id=1 @from=#<DateTime: 4889977/2,0,2299161> @until=#<DateTime: 4890459/2,0,2299161> @created_at=nil @updated_at=nil>, @errors={}>, #<DataMapper::Validate::ValidationErrors:0x106bd7840 @resource=#<Criterion::WeekDay @id=nil @campaign_policy_id=1 @monday=true @tuesday=nil @wednesday=nil @thursday=nil @friday=nil @saturday=nil @sunday=nil @exclude=nil @created_at=nil @updated_at=nil>, @errors={

	/Users/john/Projects/Spreedly.git/vendor/rails/activerecord/lib/active_record/observer.rb:35: warning: instance variable @observers not initialized
	Exception `NameError' at /Users/john/Projects/Spreedly.git/vendor/rails/activesupport/lib/active_support/dependencies.rb:443 - uninitialized constant ApiVersion4Controller
	/Users/john/Projects/Spreedly.git/vendor/rails/actionpack/lib/action_controller/response.rb:50: warning: instance variable @session not initialized
	/Users/john/Projects/Spreedly.git/vendor/rails/actionpack/lib/action_controller/templates/rescues/_request_and_response.erb:20: warning: instance variable @data not initialized
	SQL (0.1ms) SET NAMES 'utf8'
	SQL (0.1ms) SET SQL_AUTO_IS_NULL=0


	Processing ApplicationController#show_subscriber to xml (for 127.0.0.1 at 2009-03-18 16:20:29) [GET]
	Parameters: {"site_id"=>"thejohnny-test", "id"=>"1", "api_version"=>"v4"}