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@mikery
mikery committed Aug 26, 2014
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20 changes: 20 additions & 0 deletions LICENSE
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The MIT License (MIT)

Copyright (c) 2014 Mike Ryan

Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
the Software, and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
6 changes: 3 additions & 3 deletions README.md
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aws-system-administration-resources
===================================
aws-system-administration
=========================

Scripts and resources for the AWS System Administration book
Sample code and examples for AWS System Administration
13 changes: 13 additions & 0 deletions ch02/hello_cloudformation.json
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{
"AWSTemplateFormatVersion" : "2010-09-09",
"Description" : "A simple stack that launches an instance.",
"Resources" : {
"Ec2Instance" : {
"Type" : "AWS::EC2::Instance",
"Properties" : {
"ImageId" : "ami-c1aaabb5",
"InstanceType": "t1.micro"
}
}
}
}
90 changes: 90 additions & 0 deletions ch03/openvpn_cloudformation.json
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{
"AWSTemplateFormatVersion" : "2010-09-09",
"Description" : "OpenVPN EC2 Instance and Security Group",

"Parameters" : {
"KeyName": {
"Description" : "EC2 KeyPair name",
"Type": "String",
"MinLength": "1",
"MaxLength": "255",
"AllowedPattern" : "[\\x20-\\x7E]*",
"ConstraintDescription" : "can contain only ASCII characters."
},
"AllowedIPRange" : {
"Description" : "IP Range allowed to access OpenVPN via SSH and HTTP(S)",
"Type": "String",
"MinLength": "9",
"MaxLength": "18",
"Default": "0.0.0.0/0",
"AllowedPattern": "(\\d{1,3})\\.(\\d{1,3})\\.(\\d{1,3})\\.(\\d{1,3})/(\\d{1,2})",
"ConstraintDescription": "Must be a valid IP CIDR range of the form x.x.x.x/x."
},
"AMI" : {
"Description" : "OpenVPN AMI ID",
"Type": "String"
}
},

"Resources" : {
"OpenVPNInstance" : {
"Type" : "AWS::EC2::Instance",
"Properties" : {
"InstanceType" : "t2.micro",
"SecurityGroups" : [ { "Ref" : "OpenVPNSecurityGroup" } ],
"KeyName" : { "Ref" : "KeyName" },
"ImageId" : { "Ref" : "AMI"},
"SourceDestCheck" : "false"
}
},

"OpenVPNSecurityGroup" : {
"Type" : "AWS::EC2::SecurityGroup",
"Properties" : {
"GroupDescription" : "Allow SSH, HTTPS and OpenVPN access",
"SecurityGroupIngress" : [
{
"IpProtocol" : "tcp",
"FromPort" : "22",
"ToPort" : "22",
"CidrIp" : { "Ref" : "AllowedIPRange"}
},
{
"IpProtocol" : "tcp",
"FromPort" : "443",
"ToPort" : "443",
"CidrIp" : { "Ref" : "AllowedIPRange"}
},
{
"IpProtocol" : "tcp",
"FromPort" : "943",
"ToPort" : "943",
"CidrIp" : { "Ref" : "AllowedIPRange"}
},
{
"IpProtocol" : "udp",
"FromPort" : "1194",
"ToPort" : "1194",
"CidrIp" : { "Ref" : "AllowedIPRange"}
}
]
}
}
},

"Outputs" : {
"InstanceId" : {
"Description" : "InstanceId of the OpenVPN EC2 instance",
"Value" : { "Ref" : "OpenVPNInstance" }
},
"OpenVPNSecurityGroup" : {
"Description" : "ID of the OpenVPN Security Group",
"Value" : { "Fn::GetAtt" : [ "OpenVPNSecurityGroup", "GroupId" ] }

},
"PublicIP" : {
"Description" : "Public IP address of the newly created EC2 instance",
"Value" : { "Fn::GetAtt" : [ "OpenVPNInstance", "PublicIp" ] }
}
}
}
61 changes: 61 additions & 0 deletions ch03/protected_instance_cloudformation.json
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{
"AWSTemplateFormatVersion" : "2010-09-09",
"Description" : "Example EC2 instance behind an OpenVPN server",

"Parameters" : {
"KeyName": {
"Description" : "EC2 KeyPair name",
"Type": "String",
"MinLength": "1",
"MaxLength": "255",
"AllowedPattern" : "[\\x20-\\x7E]*",
"ConstraintDescription" : "can contain only ASCII characters."
},
"AMI" : {
"Description" : "AMI ID",
"Type": "String"
},
"OpenVPNSecurityGroup" : {
"Description" : "OpenVPN Security Group ID",
"Type": "String"
}
},

"Resources" : {
"Ec2Instance" : {
"Type" : "AWS::EC2::Instance",
"Properties" : {
"InstanceType" : "t1.micro",
"SecurityGroups" : [ { "Ref" : "InstanceSecurityGroup" } ],
"KeyName" : { "Ref" : "KeyName" },
"ImageId" : { "Ref" : "AMI"}
}
},

"InstanceSecurityGroup" : {
"Type" : "AWS::EC2::SecurityGroup",
"Properties" : {
"GroupDescription" : "Allows SSH access from the OpenVPN instance",
"SecurityGroupIngress" : [
{
"IpProtocol" : "tcp",
"FromPort" : "22",
"ToPort" : "22",
"SourceSecurityGroupId" : { "Ref" : "OpenVPNSecurityGroup"}
}
]
}
}
},

"Outputs" : {
"PrivateIP" : {
"Description" : "Private IP address of the EC2 instance",
"Value" : { "Fn::GetAtt" : [ "Ec2Instance", "PrivateIp" ] }
},
"PublicIP" : {
"Description" : "Public IP address of the EC2 instance",
"Value" : { "Fn::GetAtt" : [ "Ec2Instance", "PublicIp" ] }
}
}
}
44 changes: 44 additions & 0 deletions ch03/s3_image_resize.py
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#!/usr/bin/python

import tempfile
import Image
import shutil
import sys
from boto.s3.connection import S3Connection
from boto.s3.key import Key

IMAGE_SIZES = [
(250, 250),
(125, 125)
]

bucket_name = sys.argv[1]
# Create a temporary directory to store local files
tmpdir = tempfile.mkdtemp()
conn = S3Connection()
bucket = conn.get_bucket(bucket_name)
for key in bucket.list(prefix='incoming/'):
filename = key.key.strip('incoming/')
print 'Resizing %s' % filename
# Copy the file to a local temp file
tmpfile = '%s/%s' % (tmpdir, filename)
key.get_contents_to_filename(tmpfile)
# Resize the image with PIL
orig_image = Image.open(tmpfile)
# Find the file extension and remove it from filename
file_ext = filename.split('.')[-1]
for resolution in IMAGE_SIZES:
resized_name = '%s%sx%s.%s' % (filename.rstrip(file_ext), resolution[0], resolution[1], file_ext)
print 'Creating %s' % resized_name
resized_tmpfile = '%s/%s' % (tmpdir, resized_name)
resized_image = orig_image.resize(resolution)
resized_image.save(resized_tmpfile)
# Copy the resized image to the S3 bucket
resized_key = Key(bucket)
resized_key.key = 'processed/%s' % resized_name
resized_key.set_contents_from_filename(resized_tmpfile)
# Delete the original file from the bucket
key.delete()

# Delete the temp dir
shutil.rmtree(tmpdir)
132 changes: 132 additions & 0 deletions ch04/puppet_client_cloudformation.json
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{
"AWSTemplateFormatVersion": "2010-09-09",
"Description": "Example Puppet client stack",
"Parameters" : {<co id="client_parameters_co" />
"KeyName": {
"Description" : "EC2 KeyPair name",
"Type": "String",
"MinLength": "1",
"MaxLength": "255",
"AllowedPattern" : "[\\x20-\\x7E]*",
"ConstraintDescription" : "can contain only ASCII characters."
},
"AMI" : {
"Description" : "AMI ID",
"Type": "String"
},
"PuppetMasterDNS" : {
"Description" : "Private DNS name of the Puppet master instance",
"Type": "String"
},
"PuppetClientSecurityGroup" : {
"Description" : "Name of the Puppet client Security Group",
"Type": "String"
}
},

"Resources": {
"CFNKeys": {
"Type": "AWS::IAM::AccessKey",
"Properties": {
"UserName": {
"Ref": "CFNInitUser"
}
}
},
"CFNInitUser": {
"Type": "AWS::IAM::User",
"Properties": {
"Policies": [
{
"PolicyName": "AccessForCFNInit",
"PolicyDocument": {
"Statement": [
{
"Action": "cloudformation:DescribeStackResource",
"Resource": "*",
"Effect": "Allow"
}
]
}
}
]
}
},
"PuppetClientInstance": {
"Type": "AWS::EC2::Instance",
"Properties": {
"UserData": {<co id="client_userdata_co" />
"Fn::Base64": {
"Fn::Join": [
"",
[
"#!/bin/bash\n",
"/opt/aws/bin/cfn-init --region ", { "Ref": "AWS::Region" }, " -s ",
{ "Ref": "AWS::StackName" }, " -r PuppetClientInstance ",
" --access-key ", { "Ref": "CFNKeys" },
" --secret-key ", { "Fn::GetAtt": [ "CFNKeys", "SecretAccessKey" ] }
]
]
}
},
"KeyName": { "Ref" : "KeyName" },
"SecurityGroups": [
{
"Ref": "PuppetClientSecurityGroup"
}
],
"InstanceType": "t1.micro",
"ImageId": { "Ref" : "AMI" }
},
"Metadata": {
"AWS::CloudFormation::Init": {
"config": {
"files": {
"/etc/puppet/puppet.conf": {
"content": {
"Fn::Join": [
"",
[
"[main]\n",
" server=", { "Ref": "PuppetMasterDNS" }, "\n",
" logdir=/var/log/puppet\n",
" rundir=/var/run/puppet\n",
" ssldir=$vardir/ssl\n",
" pluginsync=true\n",
"[agent]\n",
" classfile=$vardir/classes.txt\n",
" localconfig=$vardir/localconfig\n"
]
]
},
"owner": "root",
"group": "root",
"mode": "000644"
}
},
"packages": {<co id="client_packages_co" />
"rubygems": {
"json": []
},
"yum": {
"gcc": [],
"rubygems": [],
"ruby-devel": [],
"make": [],
"puppet": []
}
},
"services": {<co id="client_services_co" />
"sysvinit": {
"puppet": {
"ensureRunning": "true",
"enabled": "true"
}
}
}
}
}
}
}
}
}
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