forked from rubber/rubber
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aws.rb
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aws.rb
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require 'rubygems'
require 'AWS'
require 'aws/s3'
module Rubber
module Cloud
class Aws < Base
def initialize(env, capistrano)
super(env, capistrano)
@aws_env = env.cloud_providers.aws
@ec2 = AWS::EC2::Base.new(:access_key_id => @aws_env.access_key, :secret_access_key => @aws_env.secret_access_key)
@ec2elb = AWS::ELB::Base.new(:access_key_id => @aws_env.access_key, :secret_access_key => @aws_env.secret_access_key)
AWS::S3::Base.establish_connection!(:access_key_id => @aws_env.access_key, :secret_access_key => @aws_env.secret_access_key)
end
def create_instance(ami, ami_type, security_groups, availability_zone)
response = @ec2.run_instances(:image_id => ami, :key_name => @aws_env.key_name, :instance_type => ami_type, :security_group => security_groups, :availability_zone => availability_zone)
instance_id = response.instancesSet.item[0].instanceId
return instance_id
end
def create_spot_instance_request(spot_price, ami, ami_type, security_groups, availability_zone)
response = @ec2.request_spot_instances(:spot_price => spot_price, :image_id => ami, :key_name => @aws_env.key_name, :instance_type => ami_type, :security_group => security_groups, :availability_zone => availability_zone)
request_id = response.spotInstanceRequestSet.item[0].spotInstanceRequestId
return request_id
end
def describe_instances(instance_id=nil)
instances = []
opts = {}
opts[:instance_id] = instance_id if instance_id
response = @ec2.describe_instances(opts)
response.reservationSet.item.each do |ritem|
ritem.instancesSet.item.each do |item|
instance = {}
instance[:id] = item.instanceId
instance[:external_host] = item.dnsName
instance[:external_ip] = item.ipAddress
instance[:internal_host] = item.privateDnsName
instance[:internal_ip] = item.privateIpAddress
instance[:state] = item.instanceState.name
instance[:zone] = item.placement.availabilityZone
instance[:platform] = item.platform || 'linux'
instances << instance
end
end if response.reservationSet
return instances
end
def destroy_instance(instance_id)
response = @ec2.terminate_instances(:instance_id => instance_id)
end
def describe_availability_zones
zones = []
response = @ec2.describe_availability_zones()
response.availabilityZoneInfo.item.each do |item|
zone = {}
zone[:name] = item.zoneName
zone[:state] =item.zoneState
zones << zone
end if response.availabilityZoneInfo
return zones
end
def create_security_group(group_name, group_description)
@ec2.create_security_group(:group_name => group_name, :group_description => group_description)
end
def describe_security_groups(group_name=nil)
groups = []
opts = {}
opts[:group_name] = group_name if group_name
response = @ec2.describe_security_groups(opts)
response.securityGroupInfo.item.each do |item|
group = {}
group[:name] = item.groupName
group[:description] = item.groupDescription
item.ipPermissions.item.each do |ip_item|
group[:permissions] ||= []
rule = {}
rule[:protocol] = ip_item.ipProtocol
rule[:from_port] = ip_item.fromPort
rule[:to_port] = ip_item.toPort
ip_item.groups.item.each do |rule_group|
rule[:source_groups] ||= []
source_group = {}
source_group[:account] = rule_group.userId
source_group[:name] = rule_group.groupName
rule[:source_groups] << source_group
end if ip_item.groups
ip_item.ipRanges.item.each do |ip_range|
rule[:source_ips] ||= []
rule[:source_ips] << ip_range.cidrIp
end if ip_item.ipRanges
group[:permissions] << rule
end if item.ipPermissions
groups << group
end if response.securityGroupInfo
return groups
end
def add_security_group_rule(group_name, protocol, from_port, to_port, source)
opts = {:group_name => group_name}
if source.instance_of? Hash
opts = opts.merge(:source_security_group_name => source[:name], :source_security_group_owner_id => source[:account])
else
opts = opts.merge(:ip_protocol => protocol, :from_port => from_port, :to_port => to_port, :cidr_ip => source)
end
@ec2.authorize_security_group_ingress(opts)
end
def remove_security_group_rule(group_name, protocol, from_port, to_port, source)
opts = {:group_name => group_name}
if source.instance_of? Hash
opts = opts.merge(:source_security_group_name => source[:name], :source_security_group_owner_id => source[:account])
else
opts = opts.merge(:ip_protocol => protocol, :from_port => from_port, :to_port => to_port, :cidr_ip => source)
end
@ec2.revoke_security_group_ingress(opts)
end
def destroy_security_group(group_name)
@ec2.delete_security_group(:group_name => group_name)
end
def create_static_ip
response = @ec2.allocate_address()
return response.publicIp
end
def attach_static_ip(ip, instance_id)
response = @ec2.associate_address(:instance_id => instance_id, :public_ip => ip)
return response.return == "true"
end
def detach_static_ip(ip)
response = @ec2.disassociate_address(:public_ip => ip)
return response.return == "true"
end
def describe_static_ips(ip=nil)
ips = []
opts = {}
opts[:public_ip] = ip if ip
response = @ec2.describe_addresses(opts)
response.addressesSet.item.each do |item|
ip = {}
ip[:instance_id] = item.instanceId
ip[:ip] = item.publicIp
ips << ip
end if response.addressesSet
return ips
end
def destroy_static_ip(ip)
response = @ec2.release_address(:public_ip => ip)
return response.return == "true"
end
def create_volume(size, zone)
response = @ec2.create_volume(:size => size.to_s, :availability_zone => zone)
return response.volumeId
end
def attach_volume(volume_id, instance_id, device)
response = @ec2.attach_volume(:volume_id => volume_id, :instance_id => instance_id, :device => device)
return response.status
end
def detach_volume(volume_id)
@ec2.detach_volume(:volume_id => volume_id, :force => 'true')
end
def describe_volumes(volume_id=nil)
volumes = []
opts = {}
opts[:volume_id] = volume_id if volume_id
response = @ec2.describe_volumes(opts)
response.volumeSet.item.each do |item|
volume = {}
volume[:id] = item.volumeId
volume[:status] = item.status
if item.attachmentSet
attach = item.attachmentSet.item[0]
volume[:attachment_instance_id] = attach.instanceId
volume[:attachment_status] = attach.status
end
volumes << volume
end if response.volumeSet
return volumes
end
def destroy_volume(volume_id)
@ec2.delete_volume(:volume_id => volume_id)
end
def create_image(image_name)
ec2_key = @aws_env.key_file
ec2_pk = @aws_env.pk_file
ec2_cert = @aws_env.cert_file
ec2_key_dest = "/mnt/#{File.basename(ec2_key)}"
ec2_pk_dest = "/mnt/#{File.basename(ec2_pk)}"
ec2_cert_dest = "/mnt/#{File.basename(ec2_cert)}"
capistrano.put(File.read(ec2_key), ec2_key_dest)
capistrano.put(File.read(ec2_pk), ec2_pk_dest)
capistrano.put(File.read(ec2_cert), ec2_cert_dest)
arch = capistrano.capture("uname -m").strip
arch = case arch when /i\d86/ then "i386" else arch end
capistrano.sudo_script "create_bundle", <<-CMD
rvm use system
export RUBYLIB=/usr/lib/site_ruby/
unset RUBYOPT
nohup ec2-bundle-vol --batch -d /mnt -k #{ec2_pk_dest} -c #{ec2_cert_dest} -u #{@aws_env.account} -p #{image_name} -r #{arch} &> /tmp/ec2-bundle-vol.log &
echo "Creating image from instance volume..."
while true; do
if ! ps ax | grep -q "[e]c2-bundle-vol"; then exit; fi
echo -n .
sleep 1
done
CMD
capistrano.sudo_script "register_bundle", <<-CMD
rvm use system
export RUBYLIB=/usr/lib/site_ruby/
unset RUBYOPT
echo "Uploading image to S3..."
ec2-upload-bundle --batch -b #{@aws_env.image_bucket} -m /mnt/#{image_name}.manifest.xml -a #{@aws_env.access_key} -s #{@aws_env.secret_access_key}
CMD
image_location = "#{@aws_env.image_bucket}/#{image_name}.manifest.xml"
response = @ec2.register_image(:image_location => image_location)
return response.imageId
end
def describe_images(image_id=nil)
images = []
opts = {:owner_id => 'self'}
opts[:image_id] = image_id if image_id
response = @ec2.describe_images(opts)
response.imagesSet.item.each do |item|
image = {}
image[:id] = item.imageId
image[:location] = item.imageLocation
images << image
end if response.imagesSet
return images
end
def destroy_image(image_id)
image = describe_images(image_id).first
raise "Could not find image: #{image_id}, aborting destroy_image" if image.nil?
image_location = image[:location]
bucket = image_location.split('/').first
image_name = image_location.split('/').last.gsub(/\.manifest\.xml$/, '')
@ec2.deregister_image(:image_id => image_id)
s3_bucket = AWS::S3::Bucket.find(bucket)
s3_bucket.objects(:prefix => image_name).clone.each do |obj|
obj.delete
end
if s3_bucket.empty?
s3_bucket.delete
end
end
def destroy_spot_instance_request(request_id)
@ec2.cancel_spot_instance_requests :spot_instance_request_id => request_id
end
def describe_load_balancers(name=nil)
lbs = []
opts = {}
opts[:load_balancer_names] = name if name
response = @ec2elb.describe_load_balancers(opts)
response.describeLoadBalancersResult.member.each do |member|
lb = {}
lb[:name] = member.loadBalancerName
lb[:dns_name] = member.dNSName
member.availabilityZones.member.each do |zone|
lb[:zones] ||= []
lb[:zones] << zone
end
member.listeners.member.each do |member|
listener = {}
listener[:protocol] = member.protocol
listener[:port] = member.loadBalancerPort
listener[:instance_port] = member.instancePort
lb[:listeners] ||= []
lb[:listeners] << listener
end
lbs << lb
end if response.describeLoadBalancersResult
return lbs
end
def describe_spot_instance_requests(request_id=nil)
requests = []
opts = {}
opts[:spot_instance_request_id] = request_id if request_id
response = @ec2.describe_spot_instance_requests(opts)
response.spotInstanceRequestSet.item.each do |item|
request = {}
request[:id] = item.spotInstanceRequestId
request[:spot_price] = item.spotPrice
request[:state] = item.state
request[:created_at] = item.createTime
request[:type] = item.launchSpecification.instanceType
request[:image_id] = item.launchSpecification.imageId
request[:instance_id] = item.instanceId
requests << request
end if response.spotInstanceRequestSet
return requests
end
end
end
end