Created
September 30, 2014 09:47
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S3へのDBバックアップRakeタスク(PostgreSQL)
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namespace :db do | |
desc 'S3へのDBバックアップ' | |
task backup: :environment do | |
# loggerの設定 | |
logger = Logger.new('log/cron.log', 5, 10.megabytes) | |
logger.info('start db:backup') | |
t = Time.current | |
backup_file = "tmp/backups/#{t.strftime('%Y-%m-%d')}_dbname.dump" | |
`mkdir -p tmp/backups` | |
`pg_dump -U postgres -Fc dbname_#{Rails.env} > #{backup_file}` | |
send_to_s3(backup_file) | |
# localファイルの削除 | |
File.delete(backup_file) | |
logger.info('end db:backup') | |
end | |
# s3へのバックアップ | |
def send_to_s3(file_path) | |
s3 = AWS::S3.new | |
bucket = s3.buckets['xxxxx'] | |
file_name = File.basename(file_path) | |
bucket.objects["backups/#{file_name}"].write(file: file_path) | |
delete_olds(bucket) | |
end | |
# 7日前のものは削除 | |
def delete_olds(bucket) | |
bucket.objects.each do |obj| | |
date_str = obj.key.match(/[0-9]{4}-[0-9]{2}-[0-9]{2}/)[0] | |
if (Date.today.days_ago(7) > date_str.to_date) | |
obj.delete | |
end | |
end | |
end | |
end |
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