Alastair Montgomery alastairhm

Platform Engineer

alastairhm / freebsd.txt

Created October 19, 2020 16:03

FreeBSD install XFCE on Virtual Box

	pkg update
	pkg install xorg
	echo 'kern.vty=vt' >> /boot/loader.conf
	pkg install virtualbox-ose-additions
	echo 'vboxguest_enable="YES"' >> /etc/rc.conf
	echo 'vboxservice_enable="YES"' >> /etc/rc.conf
	echo 'dbus_enable="YES"' >> /etc/rc.conf
	service vboxguest start
	service vboxservice start
	service dbus start

alastairhm / sg_limits.py

Created June 11, 2020 07:45

AWS Boto3 get Security Group Rule Limit

	import boto3


	def get_limit_value(service_code, quota_name):
	client = boto3.client('service-quotas')
	paginator = client.get_paginator('list_service_quotas')
	page_iterator = paginator.paginate(ServiceCode=service_code)
	for page in page_iterator:
	for quota in page['Quotas']:
	if quota['QuotaName'] == quota_name:

alastairhm / accounts.py

Created March 6, 2020 16:37

Return members' AccountID and Email of AWS Organization account

	import boto3

	client = boto3.client('organizations')

	response = client.list_accounts(
	)

	if "Accounts" in response:
	for account in response['Accounts']:
	print("\"%s\",\"%s\"" %(account['Id'],account['Email']))

alastairhm / bumpme

Created August 23, 2019 14:12

bumpme

alastairhm / vpc_tags_role.py

Created March 6, 2019 15:56

Get AWS VPC tags external data source when you need to assume a role.

	import json
	import boto3
	import sys

	input_json = sys.stdin.read()
	try:
	data = json.loads(input_json)
	except ValueError as value_error:
	sys.exit(value_error)

alastairhm / vpc_tags.py

Last active March 6, 2019 10:52

Get AWS VPC tags using Boto3, for use as an external Terraform data source

	import json
	import boto3
	import sys

	data = json.load(sys.stdin)

	ec2 = boto3.resource('ec2', region_name=data["region"])
	client = boto3.client('ec2', region_name=data["region"])
	filters = [{'Name':'tag:Name', 'Values':[data["vpc_name"]]}]
	vpcs = list(ec2.vpcs.filter(Filters=filters))

alastairhm / latest_ami_id.sh

Last active November 22, 2018 09:41

Return most recent AMI ID

	aws ec2 describe-images \
	--owners 'amazon' \
	--filters 'Name=description,Values=Amazon Linux AMI*' \
	--query 'sort_by(Images, &CreationDate)[-1].[ImageId]' \
	--output 'text'

alastairhm / ssm_test.py

Created November 20, 2018 14:17

Get SSM parameter with boto3

	import os
	import sys
	import json
	import boto3
	import logging
	from botocore.vendored import requests
	from botocore.exceptions import ClientError

	ssm = boto3.client('ssm')
	parameter = ssm.get_parameter(Name='/jenkins/jenkins_api_user', WithDecryption=True)

alastairhm / glacier_restore.sh

Created September 7, 2018 13:47

Restore S3 objects which have been moved to glacier storage.

	export MYBUCKET=mybucket
	export MYDIR=mydir/1/
	aws s3 ls s3://$MYBUCKET/$MYDIR/ \| awk '{if ($4) print $4}' > myFiles.txt
	for x in `cat myFiles.txt`
	do
	echo "restoring $x"
	aws s3api restore-object \
	--bucket $MYBUCKET \
	--key "${MYDIR}/$x" \
	--restore-request '{"Days":7}'

alastairhm / alias.sh

Created June 13, 2018 14:27