| 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 231
231: def adjust_fstab(ebs_mount_dir)
232: @exec_helper.execute("cat #{ebs_mount_dir}/etc/fstab | grep -v '/mnt' | grep -v '/data' | grep -v 'swap' > #{ebs_mount_dir}/etc/fstab.new")
233: @exec_helper.execute("mv #{ebs_mount_dir}/etc/fstab.new #{ebs_mount_dir}/etc/fstab")
234: end
# File lib/boxgrinder-build/plugins/delivery/ebs/ebs-plugin.rb, line 231
231: def adjust_fstab(ebs_mount_dir)
232: @exec_helper.execute("cat #{ebs_mount_dir}/etc/fstab | grep -v '/mnt' | grep -v '/data' | grep -v 'swap' > #{ebs_mount_dir}/etc/fstab.new")
233: @exec_helper.execute("mv #{ebs_mount_dir}/etc/fstab.new #{ebs_mount_dir}/etc/fstab")
234: end
# File lib/boxgrinder-build/plugins/delivery/ebs/ebs-plugin.rb, line 45
45: def after_init
46: begin
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: rescue
50: @current_avaibility_zone = nil
51: @region = nil
52: end
53:
54: set_default_config_value('availability_zone', @current_avaibility_zone)
55: set_default_config_value('delete_on_termination', true)
56:
57: register_supported_os('fedora', ['13', '14', '15'])
58: register_supported_os('rhel', ['6'])
59: end
# File lib/boxgrinder-build/plugins/delivery/ebs/ebs-plugin.rb, line 45
45: def after_init
46: begin
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: rescue
50: @current_avaibility_zone = nil
51: @region = nil
52: end
53:
54: set_default_config_value('availability_zone', @current_avaibility_zone)
55: set_default_config_value('delete_on_termination', true)
56:
57: register_supported_os('fedora', ['13', '14', '15'])
58: register_supported_os('rhel', ['6'])
59: end
# File lib/boxgrinder-build/plugins/delivery/ebs/ebs-plugin.rb, line 221
221: def already_registered?(name)
222: images = @ec2.describe_images(:owner_id => @plugin_config['account_number'].to_s.gsub(/-/, ''))
223:
224: return false if images.nil? or images['imagesSet'].nil?
225:
226: images['imagesSet']['item'].each { |image| return image['imageId'] if image['name'] == name }
227:
228: false
229: end
# File lib/boxgrinder-build/plugins/delivery/ebs/ebs-plugin.rb, line 221
221: def already_registered?(name)
222: images = @ec2.describe_images(:owner_id => @plugin_config['account_number'].to_s.gsub(/-/, ''))
223:
224: return false if images.nil? or images['imagesSet'].nil?
225:
226: images['imagesSet']['item'].each { |image| return image['imageId'] if image['name'] == name }
227:
228: false
229: end
# File lib/boxgrinder-build/plugins/delivery/ebs/ebs-plugin.rb, line 254
254: def device_for_suffix(suffix)
255: return "/dev/sd#{suffix}" if File.exists?("/dev/sd#{suffix}")
256: return "/dev/xvd#{suffix}" if File.exists?("/dev/xvd#{suffix}")
257:
258: raise "Not found device for suffix #{suffix}"
259: end
# File lib/boxgrinder-build/plugins/delivery/ebs/ebs-plugin.rb, line 254
254: def device_for_suffix(suffix)
255: return "/dev/sd#{suffix}" if File.exists?("/dev/sd#{suffix}")
256: return "/dev/xvd#{suffix}" if File.exists?("/dev/xvd#{suffix}")
257:
258: raise "Not found device for suffix #{suffix}"
259: end
# File lib/boxgrinder-build/plugins/delivery/ebs/ebs-plugin.rb, line 207
207: def ebs_appliance_name
208: base_path = "#{@appliance_config.name}/#{@appliance_config.os.name}/#{@appliance_config.os.version}/#{@appliance_config.version}.#{@appliance_config.release}"
209:
210: return "#{base_path}/#{@appliance_config.hardware.arch}" unless @plugin_config['snapshot']
211:
212: snapshot = 1
213:
214: while already_registered?("#{base_path}-SNAPSHOT-#{snapshot}/#{@appliance_config.hardware.arch}")
215: snapshot += 1
216: end
217:
218: "#{base_path}-SNAPSHOT-#{snapshot}/#{@appliance_config.hardware.arch}"
219: end
# File lib/boxgrinder-build/plugins/delivery/ebs/ebs-plugin.rb, line 207
207: def ebs_appliance_name
208: base_path = "#{@appliance_config.name}/#{@appliance_config.os.name}/#{@appliance_config.os.version}/#{@appliance_config.version}.#{@appliance_config.release}"
209:
210: return "#{base_path}/#{@appliance_config.hardware.arch}" unless @plugin_config['snapshot']
211:
212: snapshot = 1
213:
214: while already_registered?("#{base_path}-SNAPSHOT-#{snapshot}/#{@appliance_config.hardware.arch}")
215: snapshot += 1
216: end
217:
218: "#{base_path}-SNAPSHOT-#{snapshot}/#{@appliance_config.hardware.arch}"
219: end
# File lib/boxgrinder-build/plugins/delivery/ebs/ebs-plugin.rb, line 61
61: def execute(type = :ebs)
62: validate_plugin_config(['access_key', 'secret_access_key', 'account_number'], 'http://boxgrinder.org/tutorials/boxgrinder-build-plugins/#EBS_Delivery_Plugin')
63:
64: raise "You try to run this plugin on invalid platform. You can run EBS delivery plugin only on EC2." unless valid_platform?
65: 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
66: 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
67:
68: ebs_appliance_description = "#{@appliance_config.summary} | Appliance version #{@appliance_config.version}.#{@appliance_config.release} | #{@appliance_config.hardware.arch} architecture"
69:
70: @ec2 = AWS::EC2::Base.new(:access_key_id => @plugin_config['access_key'], :secret_access_key => @plugin_config['secret_access_key'])
71:
72: @log.debug "Checking if appliance is already registered..."
73:
74: ami_id = already_registered?(ebs_appliance_name)
75:
76: if ami_id
77: @log.warn "EBS AMI '#{ebs_appliance_name}' is already registered as '#{ami_id}' (region: #{@region})."
78: return
79: end
80:
81: @log.info "Creating new EBS volume..."
82:
83: size = 0
84:
85: @appliance_config.hardware.partitions.each_value { |partition| size += partition['size'] }
86:
87: # create_volume with 10GB size
88: volume_id = @ec2.create_volume(:size => size.to_s, :availability_zone => @plugin_config['availability_zone'])['volumeId']
89:
90: @log.debug "Volume #{volume_id} created."
91: @log.debug "Waiting for EBS volume #{volume_id} to be available..."
92:
93: # wait fo volume to be created
94: wait_for_volume_status('available', volume_id)
95:
96: # get first free device to mount the volume
97: suffix = free_device_suffix
98:
99: @log.trace "Got free device suffix: '#{suffix}'"
100: @log.trace "Reading current instance id..."
101:
102: # read current instance id
103: instance_id = open('http://169.254.169.254/latest/meta-data/instance-id').string
104:
105: @log.trace "Got: #{instance_id}"
106: @log.info "Attaching created volume..."
107:
108: # attach the volume to current host
109: @ec2.attach_volume(:device => "/dev/sd#{suffix}", :volume_id => volume_id, :instance_id => instance_id)
110:
111: @log.debug "Waiting for EBS volume to be attached..."
112:
113: # wait for volume to be attached
114: wait_for_volume_status('in-use', volume_id)
115:
116: sleep 5 # let's wait to discover the attached volume by OS
117:
118: @log.info "Copying data to EBS volume..."
119:
120: ec2_disk_mount_dir = "#{@dir.tmp}/ec2-#{rand(9999999999).to_s.center(10, rand(9).to_s)}"
121: ebs_disk_mount_dir = "#{@dir.tmp}/ebs-#{rand(9999999999).to_s.center(10, rand(9).to_s)}"
122:
123: FileUtils.mkdir_p(ec2_disk_mount_dir)
124: FileUtils.mkdir_p(ebs_disk_mount_dir)
125:
126: begin
127: ec2_mounts = @image_helper.mount_image(@previous_deliverables.disk, ec2_disk_mount_dir)
128: rescue => e
129: @log.debug e
130: raise "Error while mounting image. See logs for more info"
131: end
132:
133: @log.debug "Creating filesystem on volume..."
134:
135: @image_helper.create_filesystem(device_for_suffix(suffix))
136: @exec_helper.execute("mount #{device_for_suffix(suffix)} #{ebs_disk_mount_dir}")
137:
138: @log.debug "Syncing files..."
139:
140: @image_helper.sync_files(ec2_disk_mount_dir, ebs_disk_mount_dir)
141:
142: @log.debug "Adjusting /etc/fstab..."
143:
144: adjust_fstab(ebs_disk_mount_dir)
145:
146: @exec_helper.execute("umount #{ebs_disk_mount_dir}")
147: @image_helper.umount_image(@previous_deliverables.disk, ec2_disk_mount_dir, ec2_mounts)
148:
149: FileUtils.rm_rf(ebs_disk_mount_dir)
150: FileUtils.rm_rf(ec2_disk_mount_dir)
151:
152: @log.debug "Detaching EBS volume..."
153:
154: @ec2.detach_volume(:device => "/dev/sd#{suffix}", :volume_id => volume_id, :instance_id => instance_id)
155:
156: @log.debug "Waiting for EBS volume to be available..."
157:
158: wait_for_volume_status('available', volume_id)
159:
160: @log.info "Creating snapshot from EBS volume..."
161:
162: snapshot_id = @ec2.create_snapshot(
163: :volume_id => volume_id,
164: :description => ebs_appliance_description)['snapshotId']
165:
166: @log.debug "Waiting for snapshot #{snapshot_id} to be completed..."
167:
168: wait_for_snapshot_status('completed', snapshot_id)
169:
170: @log.debug "Deleting temporary EBS volume..."
171:
172: @ec2.delete_volume(:volume_id => volume_id)
173:
174: @log.info "Registering image..."
175:
176: image_id = @ec2.register_image(
177: :block_device_mapping => [{
178: :device_name => '/dev/sda1',
179: :ebs_snapshot_id => snapshot_id,
180: :ebs_delete_on_termination => @plugin_config['delete_on_termination']
181: },
182: {
183: :device_name => '/dev/sdb',
184: :virtual_name => 'ephemeral0'
185: },
186: {
187: :device_name => '/dev/sdc',
188: :virtual_name => 'ephemeral1'
189: },
190: {
191: :device_name => '/dev/sdd',
192: :virtual_name => 'ephemeral2'
193: },
194: {
195: :device_name => '/dev/sde',
196: :virtual_name => 'ephemeral3'
197: }],
198: :root_device_name => '/dev/sda1',
199: :architecture => @appliance_config.hardware.base_arch,
200: :kernel_id => KERNELS[@region][@appliance_config.hardware.base_arch][:aki],
201: :name => ebs_appliance_name,
202: :description => ebs_appliance_description)['imageId']
203:
204: @log.info "EBS AMI '#{ebs_appliance_name}' registered: #{image_id} (region: #{@region})"
205: end
# File lib/boxgrinder-build/plugins/delivery/ebs/ebs-plugin.rb, line 61
61: def execute(type = :ebs)
62: validate_plugin_config(['access_key', 'secret_access_key', 'account_number'], 'http://boxgrinder.org/tutorials/boxgrinder-build-plugins/#EBS_Delivery_Plugin')
63:
64: raise "You try to run this plugin on invalid platform. You can run EBS delivery plugin only on EC2." unless valid_platform?
65: 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
66: 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
67:
68: ebs_appliance_description = "#{@appliance_config.summary} | Appliance version #{@appliance_config.version}.#{@appliance_config.release} | #{@appliance_config.hardware.arch} architecture"
69:
70: @ec2 = AWS::EC2::Base.new(:access_key_id => @plugin_config['access_key'], :secret_access_key => @plugin_config['secret_access_key'])
71:
72: @log.debug "Checking if appliance is already registered..."
73:
74: ami_id = already_registered?(ebs_appliance_name)
75:
76: if ami_id
77: @log.warn "EBS AMI '#{ebs_appliance_name}' is already registered as '#{ami_id}' (region: #{@region})."
78: return
79: end
80:
81: @log.info "Creating new EBS volume..."
82:
83: size = 0
84:
85: @appliance_config.hardware.partitions.each_value { |partition| size += partition['size'] }
86:
87: # create_volume with 10GB size
88: volume_id = @ec2.create_volume(:size => size.to_s, :availability_zone => @plugin_config['availability_zone'])['volumeId']
89:
90: @log.debug "Volume #{volume_id} created."
91: @log.debug "Waiting for EBS volume #{volume_id} to be available..."
92:
93: # wait fo volume to be created
94: wait_for_volume_status('available', volume_id)
95:
96: # get first free device to mount the volume
97: suffix = free_device_suffix
98:
99: @log.trace "Got free device suffix: '#{suffix}'"
100: @log.trace "Reading current instance id..."
101:
102: # read current instance id
103: instance_id = open('http://169.254.169.254/latest/meta-data/instance-id').string
104:
105: @log.trace "Got: #{instance_id}"
106: @log.info "Attaching created volume..."
107:
108: # attach the volume to current host
109: @ec2.attach_volume(:device => "/dev/sd#{suffix}", :volume_id => volume_id, :instance_id => instance_id)
110:
111: @log.debug "Waiting for EBS volume to be attached..."
112:
113: # wait for volume to be attached
114: wait_for_volume_status('in-use', volume_id)
115:
116: sleep 5 # let's wait to discover the attached volume by OS
117:
118: @log.info "Copying data to EBS volume..."
119:
120: ec2_disk_mount_dir = "#{@dir.tmp}/ec2-#{rand(9999999999).to_s.center(10, rand(9).to_s)}"
121: ebs_disk_mount_dir = "#{@dir.tmp}/ebs-#{rand(9999999999).to_s.center(10, rand(9).to_s)}"
122:
123: FileUtils.mkdir_p(ec2_disk_mount_dir)
124: FileUtils.mkdir_p(ebs_disk_mount_dir)
125:
126: begin
127: ec2_mounts = @image_helper.mount_image(@previous_deliverables.disk, ec2_disk_mount_dir)
128: rescue => e
129: @log.debug e
130: raise "Error while mounting image. See logs for more info"
131: end
132:
133: @log.debug "Creating filesystem on volume..."
134:
135: @image_helper.create_filesystem(device_for_suffix(suffix))
136: @exec_helper.execute("mount #{device_for_suffix(suffix)} #{ebs_disk_mount_dir}")
137:
138: @log.debug "Syncing files..."
139:
140: @image_helper.sync_files(ec2_disk_mount_dir, ebs_disk_mount_dir)
141:
142: @log.debug "Adjusting /etc/fstab..."
143:
144: adjust_fstab(ebs_disk_mount_dir)
145:
146: @exec_helper.execute("umount #{ebs_disk_mount_dir}")
147: @image_helper.umount_image(@previous_deliverables.disk, ec2_disk_mount_dir, ec2_mounts)
148:
149: FileUtils.rm_rf(ebs_disk_mount_dir)
150: FileUtils.rm_rf(ec2_disk_mount_dir)
151:
152: @log.debug "Detaching EBS volume..."
153:
154: @ec2.detach_volume(:device => "/dev/sd#{suffix}", :volume_id => volume_id, :instance_id => instance_id)
155:
156: @log.debug "Waiting for EBS volume to be available..."
157:
158: wait_for_volume_status('available', volume_id)
159:
160: @log.info "Creating snapshot from EBS volume..."
161:
162: snapshot_id = @ec2.create_snapshot(
163: :volume_id => volume_id,
164: :description => ebs_appliance_description)['snapshotId']
165:
166: @log.debug "Waiting for snapshot #{snapshot_id} to be completed..."
167:
168: wait_for_snapshot_status('completed', snapshot_id)
169:
170: @log.debug "Deleting temporary EBS volume..."
171:
172: @ec2.delete_volume(:volume_id => volume_id)
173:
174: @log.info "Registering image..."
175:
176: image_id = @ec2.register_image(
177: :block_device_mapping => [{
178: :device_name => '/dev/sda1',
179: :ebs_snapshot_id => snapshot_id,
180: :ebs_delete_on_termination => @plugin_config['delete_on_termination']
181: },
182: {
183: :device_name => '/dev/sdb',
184: :virtual_name => 'ephemeral0'
185: },
186: {
187: :device_name => '/dev/sdc',
188: :virtual_name => 'ephemeral1'
189: },
190: {
191: :device_name => '/dev/sdd',
192: :virtual_name => 'ephemeral2'
193: },
194: {
195: :device_name => '/dev/sde',
196: :virtual_name => 'ephemeral3'
197: }],
198: :root_device_name => '/dev/sda1',
199: :architecture => @appliance_config.hardware.base_arch,
200: :kernel_id => KERNELS[@region][@appliance_config.hardware.base_arch][:aki],
201: :name => ebs_appliance_name,
202: :description => ebs_appliance_description)['imageId']
203:
204: @log.info "EBS AMI '#{ebs_appliance_name}' registered: #{image_id} (region: #{@region})"
205: end
# File lib/boxgrinder-build/plugins/delivery/ebs/ebs-plugin.rb, line 261
261: def free_device_suffix
262: ("f".."p").each do |suffix|
263: return suffix unless File.exists?("/dev/sd#{suffix}") or File.exists?("/dev/xvd#{suffix}")
264: end
265:
266: raise "Found too many attached devices. Cannot attach EBS volume."
267: end
# File lib/boxgrinder-build/plugins/delivery/ebs/ebs-plugin.rb, line 261
261: def free_device_suffix
262: ("f".."p").each do |suffix|
263: return suffix unless File.exists?("/dev/sd#{suffix}") or File.exists?("/dev/xvd#{suffix}")
264: end
265:
266: raise "Found too many attached devices. Cannot attach EBS volume."
267: end
# File lib/boxgrinder-build/plugins/delivery/ebs/ebs-plugin.rb, line 269
269: def valid_platform?
270: begin
271: open("http://169.254.169.254/1.0/meta-data/local-ipv4")
272: true
273: rescue
274: false
275: end
276: end
# File lib/boxgrinder-build/plugins/delivery/ebs/ebs-plugin.rb, line 269
269: def valid_platform?
270: begin
271: open("http://169.254.169.254/1.0/meta-data/local-ipv4")
272: true
273: rescue
274: false
275: end
276: end
# File lib/boxgrinder-build/plugins/delivery/ebs/ebs-plugin.rb, line 236
236: def wait_for_snapshot_status(status, snapshot_id)
237: snapshot = @ec2.describe_snapshots(:snapshot_id => snapshot_id)['snapshotSet']['item'].first
238:
239: unless snapshot['status'] == status
240: sleep 2
241: wait_for_snapshot_status(status, snapshot_id)
242: end
243: end
# File lib/boxgrinder-build/plugins/delivery/ebs/ebs-plugin.rb, line 236
236: def wait_for_snapshot_status(status, snapshot_id)
237: snapshot = @ec2.describe_snapshots(:snapshot_id => snapshot_id)['snapshotSet']['item'].first
238:
239: unless snapshot['status'] == status
240: sleep 2
241: wait_for_snapshot_status(status, snapshot_id)
242: end
243: end
# File lib/boxgrinder-build/plugins/delivery/ebs/ebs-plugin.rb, line 245
245: def wait_for_volume_status(status, volume_id)
246: volume = @ec2.describe_volumes(:volume_id => volume_id)['volumeSet']['item'].first
247:
248: unless volume['status'] == status
249: sleep 2
250: wait_for_volume_status(status, volume_id)
251: end
252: end
# File lib/boxgrinder-build/plugins/delivery/ebs/ebs-plugin.rb, line 245
245: def wait_for_volume_status(status, volume_id)
246: volume = @ec2.describe_volumes(:volume_id => volume_id)['volumeSet']['item'].first
247:
248: unless volume['status'] == status
249: sleep 2
250: wait_for_volume_status(status, volume_id)
251: end
252: end