63 lines
2.1 KiB
Ruby
63 lines
2.1 KiB
Ruby
#
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# Author:: AJ Christensen (<aj@opscode.com>)
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# Cookbook Name:: database
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# Recipe:: snapshot
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#
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# Copyright 2009-2010, Opscode, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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include_recipe "aws"
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include_recipe "xfs"
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%w{ebs_vol_dev db_role app_environment username password aws_access_key_id aws_secret_access_key snapshots_to_keep volume_id}.collect do |key|
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Chef::Application.fatal!("Required db_snapshot configuration #{key} not found.", -47) unless node.db_snapshot.has_key? key
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end
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connection_info = {:host => "localhost", :username => node.db_snapshot.username, :password => node.db_snapshot.password}
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mysql_database "locking tables for #{node.db_snapshot.app_environment}" do
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connection connection_info
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sql "flush tables with read lock"
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action :query
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end
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execute "xfs freeze" do
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command "xfs_freeze -f #{node.db_snapshot.ebs_vol_dev}"
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end
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aws_ebs_volume "#{node.db_snapshot.db_role.first}_#{node.db_snapshot.app_environment}" do
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aws_access_key node.db_snapshot.aws_access_key_id
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aws_secret_access_key node.db_snapshot.aws_secret_access_key
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size 50
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device node.db_snapshot.ebs_vol_dev
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snapshots_to_keep node.db_snapshot.snapshots_to_keep
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action :snapshot
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volume_id node.db_snapshot.volume_id
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ignore_failure true # if this fails, continue to unfreeze and unlock
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end
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execute "xfs unfreeze" do
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command "xfs_freeze -u #{node.db_snapshot.ebs_vol_dev}"
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end
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mysql_database "unflushing tables for #{node.db_snapshot.app_environment}" do
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connection connection_info
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sql "unlock tables"
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action :query
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end
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aws_ebs_volume "#{node.db_snapshot.db_role.first}_#{node.db_snapshot.app_environment}" do
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action :prune
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end
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