| Class | BoxGrinder::EBSPlugin |
| In: |
lib/boxgrinder-build/plugins/delivery/ebs/ebs-plugin.rb
lib/boxgrinder-build/plugins/delivery/ebs/ebs-plugin.rb |
| Parent: | BasePlugin |
| KERNELS | = | { 'eu-west-1' => { 'i386' => {:aki => 'aki-4deec439'}, 'x86_64' => {:aki => 'aki-4feec43b'} |
| KERNELS | = | { 'eu-west-1' => { 'i386' => {:aki => 'aki-4deec439'}, 'x86_64' => {:aki => 'aki-4feec43b'} |
# File lib/boxgrinder-build/plugins/delivery/ebs/ebs-plugin.rb, line 203
203: def adjust_fstab(guestfs)
204: guestfs.sh("cat /etc/fstab | grep -v '/mnt' | grep -v '/data' | grep -v 'swap' > /etc/fstab.new")
205: guestfs.mv("/etc/fstab.new", "/etc/fstab")
206: end
# File lib/boxgrinder-build/plugins/delivery/ebs/ebs-plugin.rb, line 203
203: def adjust_fstab(guestfs)
204: guestfs.sh("cat /etc/fstab | grep -v '/mnt' | grep -v '/data' | grep -v 'swap' > /etc/fstab.new")
205: guestfs.mv("/etc/fstab.new", "/etc/fstab")
206: end
# File lib/boxgrinder-build/plugins/delivery/ebs/ebs-plugin.rb, line 45
45: def after_init
46: if valid_platform?
47: @current_avaibility_zone = open('http://169.254.169.254/latest/meta-data/placement/availability-zone').string
48: @region = @current_avaibility_zone.scan(/((\w+)-(\w+)-(\d+))/).flatten.first
49: end
50:
51: set_default_config_value('availability_zone', @current_avaibility_zone)
52: set_default_config_value('delete_on_termination', true)
53:
54: register_supported_os('fedora', ['13', '14', '15'])
55: register_supported_os('rhel', ['6'])
56: end
# File lib/boxgrinder-build/plugins/delivery/ebs/ebs-plugin.rb, line 45
45: def after_init
46: if valid_platform?
47: @current_avaibility_zone = open('http://169.254.169.254/latest/meta-data/placement/availability-zone').string
48: @region = @current_avaibility_zone.scan(/((\w+)-(\w+)-(\d+))/).flatten.first
49: end
50:
51: set_default_config_value('availability_zone', @current_avaibility_zone)
52: set_default_config_value('delete_on_termination', true)
53:
54: register_supported_os('fedora', ['13', '14', '15'])
55: register_supported_os('rhel', ['6'])
56: end
# File lib/boxgrinder-build/plugins/delivery/ebs/ebs-plugin.rb, line 193
193: def already_registered?(name)
194: images = @ec2.describe_images(:owner_id => @plugin_config['account_number'].to_s.gsub(/-/, ''))
195:
196: return false if images.nil? or images['imagesSet'].nil?
197:
198: images['imagesSet']['item'].each { |image| return image['imageId'] if image['name'] == name }
199:
200: false
201: end
# File lib/boxgrinder-build/plugins/delivery/ebs/ebs-plugin.rb, line 193
193: def already_registered?(name)
194: images = @ec2.describe_images(:owner_id => @plugin_config['account_number'].to_s.gsub(/-/, ''))
195:
196: return false if images.nil? or images['imagesSet'].nil?
197:
198: images['imagesSet']['item'].each { |image| return image['imageId'] if image['name'] == name }
199:
200: false
201: end
# File lib/boxgrinder-build/plugins/delivery/ebs/ebs-plugin.rb, line 226
226: def device_for_suffix(suffix)
227: return "/dev/sd#{suffix}" if File.exists?("/dev/sd#{suffix}")
228: return "/dev/xvd#{suffix}" if File.exists?("/dev/xvd#{suffix}")
229:
230: raise "Device for suffix '#{suffix}' not found!"
231: end
# File lib/boxgrinder-build/plugins/delivery/ebs/ebs-plugin.rb, line 226
226: def device_for_suffix(suffix)
227: return "/dev/sd#{suffix}" if File.exists?("/dev/sd#{suffix}")
228: return "/dev/xvd#{suffix}" if File.exists?("/dev/xvd#{suffix}")
229:
230: raise "Device for suffix '#{suffix}' not found!"
231: end
# File lib/boxgrinder-build/plugins/delivery/ebs/ebs-plugin.rb, line 179
179: def ebs_appliance_name
180: base_path = "#{@appliance_config.name}/#{@appliance_config.os.name}/#{@appliance_config.os.version}/#{@appliance_config.version}.#{@appliance_config.release}"
181:
182: return "#{base_path}/#{@appliance_config.hardware.arch}" unless @plugin_config['snapshot']
183:
184: snapshot = 1
185:
186: while already_registered?("#{base_path}-SNAPSHOT-#{snapshot}/#{@appliance_config.hardware.arch}")
187: snapshot += 1
188: end
189:
190: "#{base_path}-SNAPSHOT-#{snapshot}/#{@appliance_config.hardware.arch}"
191: end
# File lib/boxgrinder-build/plugins/delivery/ebs/ebs-plugin.rb, line 179
179: def ebs_appliance_name
180: base_path = "#{@appliance_config.name}/#{@appliance_config.os.name}/#{@appliance_config.os.version}/#{@appliance_config.version}.#{@appliance_config.release}"
181:
182: return "#{base_path}/#{@appliance_config.hardware.arch}" unless @plugin_config['snapshot']
183:
184: snapshot = 1
185:
186: while already_registered?("#{base_path}-SNAPSHOT-#{snapshot}/#{@appliance_config.hardware.arch}")
187: snapshot += 1
188: end
189:
190: "#{base_path}-SNAPSHOT-#{snapshot}/#{@appliance_config.hardware.arch}"
191: end
# File lib/boxgrinder-build/plugins/delivery/ebs/ebs-plugin.rb, line 58
58: def execute(type = :ebs)
59: validate_plugin_config(['access_key', 'secret_access_key', 'account_number'], 'http://boxgrinder.org/tutorials/boxgrinder-build-plugins/#EBS_Delivery_Plugin')
60:
61: raise "You try to run this plugin on invalid platform. You can run EBS delivery plugin only on EC2." unless valid_platform?
62: raise "You can only convert to EBS type AMI appliances converted to EC2 format. Use '-p ec2' switch. For more info about EC2 plugin see http://boxgrinder.org/tutorials/boxgrinder-build-plugins/#EC2_Platform_Plugin." unless @previous_plugin_info[:name] == :ec2
63: raise "You selected #{@plugin_config['availability_zone']} avaibility zone, but your instance is running in #{@current_avaibility_zone} zone. Please change avaibility zone in plugin configuration file to #{@current_avaibility_zone} (see http://boxgrinder.org/tutorials/boxgrinder-build-plugins/#EBS_Delivery_Plugin) or use another instance in #{@plugin_config['availability_zone']} zone to create your EBS AMI." if @plugin_config['availability_zone'] != @current_avaibility_zone
64:
65: ebs_appliance_description = "#{@appliance_config.summary} | Appliance version #{@appliance_config.version}.#{@appliance_config.release} | #{@appliance_config.hardware.arch} architecture"
66:
67: @ec2 = AWS::EC2::Base.new(:access_key_id => @plugin_config['access_key'], :secret_access_key => @plugin_config['secret_access_key'])
68:
69: @log.debug "Checking if appliance is already registered..."
70:
71: ami_id = already_registered?(ebs_appliance_name)
72:
73: if ami_id
74: @log.warn "EBS AMI '#{ebs_appliance_name}' is already registered as '#{ami_id}' (region: #{@region})."
75: return
76: end
77:
78: @log.info "Creating new EBS volume..."
79:
80: size = 0
81:
82: @appliance_config.hardware.partitions.each_value { |partition| size += partition['size'] }
83:
84: # create_volume with 10GB size
85: volume_id = @ec2.create_volume(:size => size.to_s, :availability_zone => @plugin_config['availability_zone'])['volumeId']
86:
87: @log.debug "Volume #{volume_id} created."
88: @log.debug "Waiting for EBS volume #{volume_id} to be available..."
89:
90: # wait fo volume to be created
91: wait_for_volume_status('available', volume_id)
92:
93: # get first free device to mount the volume
94: suffix = free_device_suffix
95:
96: @log.trace "Got free device suffix: '#{suffix}'"
97: @log.trace "Reading current instance id..."
98:
99: # read current instance id
100: instance_id = open('http://169.254.169.254/latest/meta-data/instance-id').string
101:
102: @log.trace "Got: #{instance_id}"
103: @log.info "Attaching created volume..."
104:
105: # attach the volume to current host
106: @ec2.attach_volume(:device => "/dev/sd#{suffix}", :volume_id => volume_id, :instance_id => instance_id)
107:
108: @log.debug "Waiting for EBS volume to be attached..."
109:
110: # wait for volume to be attached
111: wait_for_volume_status('in-use', volume_id)
112:
113: sleep 10 # let's wait to discover the attached volume by OS
114:
115: @log.info "Copying data to EBS volume..."
116:
117: @image_helper.customize([@previous_deliverables.disk, device_for_suffix(suffix)], :automount => false) do |guestfs, guestfs_helper|
118: @image_helper.sync_filesystem(guestfs, guestfs_helper)
119:
120: @log.debug "Adjusting /etc/fstab..."
121: adjust_fstab(guestfs)
122: end
123:
124: @log.debug "Detaching EBS volume..."
125:
126: @ec2.detach_volume(:device => "/dev/sd#{suffix}", :volume_id => volume_id, :instance_id => instance_id)
127:
128: @log.debug "Waiting for EBS volume to be available..."
129:
130: wait_for_volume_status('available', volume_id)
131:
132: @log.info "Creating snapshot from EBS volume..."
133:
134: snapshot_id = @ec2.create_snapshot(
135: :volume_id => volume_id,
136: :description => ebs_appliance_description)['snapshotId']
137:
138: @log.debug "Waiting for snapshot #{snapshot_id} to be completed..."
139:
140: wait_for_snapshot_status('completed', snapshot_id)
141:
142: @log.debug "Deleting temporary EBS volume..."
143:
144: @ec2.delete_volume(:volume_id => volume_id)
145:
146: @log.info "Registering image..."
147:
148: image_id = @ec2.register_image(
149: :block_device_mapping => [{
150: :device_name => '/dev/sda1',
151: :ebs_snapshot_id => snapshot_id,
152: :ebs_delete_on_termination => @plugin_config['delete_on_termination']
153: },
154: {
155: :device_name => '/dev/sdb',
156: :virtual_name => 'ephemeral0'
157: },
158: {
159: :device_name => '/dev/sdc',
160: :virtual_name => 'ephemeral1'
161: },
162: {
163: :device_name => '/dev/sdd',
164: :virtual_name => 'ephemeral2'
165: },
166: {
167: :device_name => '/dev/sde',
168: :virtual_name => 'ephemeral3'
169: }],
170: :root_device_name => '/dev/sda1',
171: :architecture => @appliance_config.hardware.base_arch,
172: :kernel_id => KERNELS[@region][@appliance_config.hardware.base_arch][:aki],
173: :name => ebs_appliance_name,
174: :description => ebs_appliance_description)['imageId']
175:
176: @log.info "EBS AMI '#{ebs_appliance_name}' registered: #{image_id} (region: #{@region})"
177: end
# File lib/boxgrinder-build/plugins/delivery/ebs/ebs-plugin.rb, line 58
58: def execute(type = :ebs)
59: validate_plugin_config(['access_key', 'secret_access_key', 'account_number'], 'http://boxgrinder.org/tutorials/boxgrinder-build-plugins/#EBS_Delivery_Plugin')
60:
61: raise "You try to run this plugin on invalid platform. You can run EBS delivery plugin only on EC2." unless valid_platform?
62: raise "You can only convert to EBS type AMI appliances converted to EC2 format. Use '-p ec2' switch. For more info about EC2 plugin see http://boxgrinder.org/tutorials/boxgrinder-build-plugins/#EC2_Platform_Plugin." unless @previous_plugin_info[:name] == :ec2
63: raise "You selected #{@plugin_config['availability_zone']} avaibility zone, but your instance is running in #{@current_avaibility_zone} zone. Please change avaibility zone in plugin configuration file to #{@current_avaibility_zone} (see http://boxgrinder.org/tutorials/boxgrinder-build-plugins/#EBS_Delivery_Plugin) or use another instance in #{@plugin_config['availability_zone']} zone to create your EBS AMI." if @plugin_config['availability_zone'] != @current_avaibility_zone
64:
65: ebs_appliance_description = "#{@appliance_config.summary} | Appliance version #{@appliance_config.version}.#{@appliance_config.release} | #{@appliance_config.hardware.arch} architecture"
66:
67: @ec2 = AWS::EC2::Base.new(:access_key_id => @plugin_config['access_key'], :secret_access_key => @plugin_config['secret_access_key'])
68:
69: @log.debug "Checking if appliance is already registered..."
70:
71: ami_id = already_registered?(ebs_appliance_name)
72:
73: if ami_id
74: @log.warn "EBS AMI '#{ebs_appliance_name}' is already registered as '#{ami_id}' (region: #{@region})."
75: return
76: end
77:
78: @log.info "Creating new EBS volume..."
79:
80: size = 0
81:
82: @appliance_config.hardware.partitions.each_value { |partition| size += partition['size'] }
83:
84: # create_volume with 10GB size
85: volume_id = @ec2.create_volume(:size => size.to_s, :availability_zone => @plugin_config['availability_zone'])['volumeId']
86:
87: @log.debug "Volume #{volume_id} created."
88: @log.debug "Waiting for EBS volume #{volume_id} to be available..."
89:
90: # wait fo volume to be created
91: wait_for_volume_status('available', volume_id)
92:
93: # get first free device to mount the volume
94: suffix = free_device_suffix
95:
96: @log.trace "Got free device suffix: '#{suffix}'"
97: @log.trace "Reading current instance id..."
98:
99: # read current instance id
100: instance_id = open('http://169.254.169.254/latest/meta-data/instance-id').string
101:
102: @log.trace "Got: #{instance_id}"
103: @log.info "Attaching created volume..."
104:
105: # attach the volume to current host
106: @ec2.attach_volume(:device => "/dev/sd#{suffix}", :volume_id => volume_id, :instance_id => instance_id)
107:
108: @log.debug "Waiting for EBS volume to be attached..."
109:
110: # wait for volume to be attached
111: wait_for_volume_status('in-use', volume_id)
112:
113: sleep 10 # let's wait to discover the attached volume by OS
114:
115: @log.info "Copying data to EBS volume..."
116:
117: @image_helper.customize([@previous_deliverables.disk, device_for_suffix(suffix)], :automount => false) do |guestfs, guestfs_helper|
118: @image_helper.sync_filesystem(guestfs, guestfs_helper)
119:
120: @log.debug "Adjusting /etc/fstab..."
121: adjust_fstab(guestfs)
122: end
123:
124: @log.debug "Detaching EBS volume..."
125:
126: @ec2.detach_volume(:device => "/dev/sd#{suffix}", :volume_id => volume_id, :instance_id => instance_id)
127:
128: @log.debug "Waiting for EBS volume to be available..."
129:
130: wait_for_volume_status('available', volume_id)
131:
132: @log.info "Creating snapshot from EBS volume..."
133:
134: snapshot_id = @ec2.create_snapshot(
135: :volume_id => volume_id,
136: :description => ebs_appliance_description)['snapshotId']
137:
138: @log.debug "Waiting for snapshot #{snapshot_id} to be completed..."
139:
140: wait_for_snapshot_status('completed', snapshot_id)
141:
142: @log.debug "Deleting temporary EBS volume..."
143:
144: @ec2.delete_volume(:volume_id => volume_id)
145:
146: @log.info "Registering image..."
147:
148: image_id = @ec2.register_image(
149: :block_device_mapping => [{
150: :device_name => '/dev/sda1',
151: :ebs_snapshot_id => snapshot_id,
152: :ebs_delete_on_termination => @plugin_config['delete_on_termination']
153: },
154: {
155: :device_name => '/dev/sdb',
156: :virtual_name => 'ephemeral0'
157: },
158: {
159: :device_name => '/dev/sdc',
160: :virtual_name => 'ephemeral1'
161: },
162: {
163: :device_name => '/dev/sdd',
164: :virtual_name => 'ephemeral2'
165: },
166: {
167: :device_name => '/dev/sde',
168: :virtual_name => 'ephemeral3'
169: }],
170: :root_device_name => '/dev/sda1',
171: :architecture => @appliance_config.hardware.base_arch,
172: :kernel_id => KERNELS[@region][@appliance_config.hardware.base_arch][:aki],
173: :name => ebs_appliance_name,
174: :description => ebs_appliance_description)['imageId']
175:
176: @log.info "EBS AMI '#{ebs_appliance_name}' registered: #{image_id} (region: #{@region})"
177: end
# File lib/boxgrinder-build/plugins/delivery/ebs/ebs-plugin.rb, line 233
233: def free_device_suffix
234: ("f".."p").each do |suffix|
235: return suffix unless File.exists?("/dev/sd#{suffix}") or File.exists?("/dev/xvd#{suffix}")
236: end
237:
238: raise "Found too many attached devices. Cannot attach EBS volume."
239: end
# File lib/boxgrinder-build/plugins/delivery/ebs/ebs-plugin.rb, line 233
233: def free_device_suffix
234: ("f".."p").each do |suffix|
235: return suffix unless File.exists?("/dev/sd#{suffix}") or File.exists?("/dev/xvd#{suffix}")
236: end
237:
238: raise "Found too many attached devices. Cannot attach EBS volume."
239: end
# File lib/boxgrinder-build/plugins/delivery/ebs/ebs-plugin.rb, line 241
241: def valid_platform?
242: begin
243: return Resolv.getname("169.254.169.254").include?(".ec2.internal")
244: rescue Resolv::ResolvError
245: false
246: end
247: end
# File lib/boxgrinder-build/plugins/delivery/ebs/ebs-plugin.rb, line 241
241: def valid_platform?
242: begin
243: return Resolv.getname("169.254.169.254").include?(".ec2.internal")
244: rescue Resolv::ResolvError
245: false
246: end
247: end
# File lib/boxgrinder-build/plugins/delivery/ebs/ebs-plugin.rb, line 208
208: def wait_for_snapshot_status(status, snapshot_id)
209: snapshot = @ec2.describe_snapshots(:snapshot_id => snapshot_id)['snapshotSet']['item'].first
210:
211: unless snapshot['status'] == status
212: sleep 2
213: wait_for_snapshot_status(status, snapshot_id)
214: end
215: end
# File lib/boxgrinder-build/plugins/delivery/ebs/ebs-plugin.rb, line 208
208: def wait_for_snapshot_status(status, snapshot_id)
209: snapshot = @ec2.describe_snapshots(:snapshot_id => snapshot_id)['snapshotSet']['item'].first
210:
211: unless snapshot['status'] == status
212: sleep 2
213: wait_for_snapshot_status(status, snapshot_id)
214: end
215: end
# File lib/boxgrinder-build/plugins/delivery/ebs/ebs-plugin.rb, line 217
217: def wait_for_volume_status(status, volume_id)
218: volume = @ec2.describe_volumes(:volume_id => volume_id)['volumeSet']['item'].first
219:
220: unless volume['status'] == status
221: sleep 2
222: wait_for_volume_status(status, volume_id)
223: end
224: end
# File lib/boxgrinder-build/plugins/delivery/ebs/ebs-plugin.rb, line 217
217: def wait_for_volume_status(status, volume_id)
218: volume = @ec2.describe_volumes(:volume_id => volume_id)['volumeSet']['item'].first
219:
220: unless volume['status'] == status
221: sleep 2
222: wait_for_volume_status(status, volume_id)
223: end
224: end