Class: Backup::S3

Inherits:
Object
  • Object
show all
Includes:
S3Helper
Defined in:
lib/capistrano/ops/rails/lib/backup/s3.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from S3Helper

#get_current_month, #get_delete_items, #get_items_by_month, #get_months, #get_old_months

Constructor Details

#initialize(endpoint: ENV['S3_BACKUP_ENDPOINT'], region: ENV['S3_BACKUP_REGION'], access_key_id: ENV['S3_BACKUP_KEY'], secret_access_key: ENV['S3_BACKUP_SECRET']) ⇒ S3

Returns a new instance of S3.



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# File 'lib/capistrano/ops/rails/lib/backup/s3.rb', line 10

def initialize(endpoint: ENV['S3_BACKUP_ENDPOINT'], region: ENV['S3_BACKUP_REGION'], access_key_id: ENV['S3_BACKUP_KEY'],
               secret_access_key: ENV['S3_BACKUP_SECRET'])
  self.endpoint = endpoint
  self.region = region
  self.access_key_id = access_key_id
  self.secret_access_key = secret_access_key
  configuration = {
    region: region,
    access_key_id: access_key_id,
    secret_access_key: secret_access_key,
    force_path_style: true

  }
  configuration[:endpoint] = endpoint unless endpoint.nil?
  self.s3_resource = Aws::S3::Resource.new(configuration)
end

Instance Attribute Details

#access_key_id ⇒ Object

Returns the value of attribute access_key_id.



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# File 'lib/capistrano/ops/rails/lib/backup/s3.rb', line 8

def access_key_id
  @access_key_id
end

#endpoint ⇒ Object

Returns the value of attribute endpoint.



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# File 'lib/capistrano/ops/rails/lib/backup/s3.rb', line 8

def endpoint
  @endpoint
end

#region ⇒ Object

Returns the value of attribute region.



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# File 'lib/capistrano/ops/rails/lib/backup/s3.rb', line 8

def region
  @region
end

#s3_resource ⇒ Object

Returns the value of attribute s3_resource.



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# File 'lib/capistrano/ops/rails/lib/backup/s3.rb', line 8

def s3_resource
  @s3_resource
end

#secret_access_key ⇒ Object

Returns the value of attribute secret_access_key.



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# File 'lib/capistrano/ops/rails/lib/backup/s3.rb', line 8

def secret_access_key
  @secret_access_key
end

Instance Method Details

#remove_old_backups(basename, keep: 5) ⇒ Object 



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# File 'lib/capistrano/ops/rails/lib/backup/s3.rb', line 37

def remove_old_backups(basename, keep: 5)
  all_items = s3_resource.bucket(ENV['S3_BACKUP_BUCKET']).objects(prefix: basename).map do |item|
    { key: item.key, last_modified: item.last_modified }
  end

  all_items = all_items.sort_by { |hsh| hsh[:last_modified] }.reverse
  months = get_months(all_items)
  old_months = get_old_months(months)
  if old_months&.empty? || old_months.nil?
    puts 'No old months to remove'
  else
    old_months.each do |month|
      items = get_items_by_month(all_items, month)
      delete_items = get_delete_items(items, 1)
      puts "Removing #{month} from S3"
      delete_items.each do |item_obj|
        puts "Removing #{item_obj[:key]} from S3"
        s3_resource.bucket(ENV['S3_BACKUP_BUCKET']).object(item_obj[:key]).delete
      end
    end
    puts 'Old months removed from S3'
  end
  current_month = get_current_month(all_items)
  current_month_delete_items = get_delete_items(current_month, keep)
  if current_month_delete_items&.empty? || current_month_delete_items.nil?
    puts 'No old backups to remove'
    exit(0)
  end

  current_month_delete_items.each do |item_obj|
    puts "Removing #{item_obj[:key]} from S3"
    s3_resource.bucket(ENV['S3_BACKUP_BUCKET']).object(item_obj[:key]).delete
  end
  puts 'Old backups removed from S3'
rescue Backup::Error => e
  puts "Remove failed: #{e.message}"
  raise e
end

#upload(backup_file, key) ⇒ Object 



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# File 'lib/capistrano/ops/rails/lib/backup/s3.rb', line 27

def upload(backup_file, key)
  begin
    s3_resource.bucket(ENV['S3_BACKUP_BUCKET']).object(key).upload_file(backup_file)
  rescue Backup::Error => e
    puts "Upload failed: #{e.message}"
    raise e
  end
  'File uploaded to S3'
end