module Snapscatter

Constants

VERSION

Public Class Methods

copy(ec2, region, snapshot, description) click to toggle source

# File lib/snapscatter.rb, line 29
def copy ec2, region, snapshot, description
  options = {
    source_region: region,
    source_snapshot_id: snapshot.id,
    description: description
  }

  response = ec2.client.copy_snapshot options
  copied_snapshot = ec2.snapshots[response.data[:snapshot_id]]
  copied_snapshot.tags.set snapshot.tags
end

in_lock(consistency_spec) { || ... } click to toggle source

consistency spec should look like the following (all parameters but host, optional) strategy: mongo, host: 127.0.0.1, port: 27017, usr: admin, pwd: 12345

# File lib/snapscatter.rb, line 58
def in_lock consistency_spec
  locker = Locker.new Snapscatter.parse_spec(consistency_spec)
  locker.lock
  begin
    yield
  ensure
    locker.unlock
  end
end

list(ec2) click to toggle source

# File lib/snapscatter.rb, line 25
def list ec2
  ec2.snapshots.tagged('PurgeAllow').tagged_values('true')
end

parse_spec(str) click to toggle source

# File lib/snapscatter.rb, line 9
def parse_spec str
  str ||= ""
  spec = {}
  str.split(',').map do |i|
    k, v = i.split(':').map { |i| i.strip }
    spec[k.to_sym] = v
  end
  return spec
end

purge(ec2, purge_after_days, list_only) click to toggle source

# File lib/snapscatter.rb, line 41
def purge ec2, purge_after_days, list_only
  purged = []
  snapshots = Snapscatter.list ec2
  snapshots.each do |snapshot|
    purge_date = snapshot.start_time.to_date + purge_after_days
    # say "#{Date.today} > #{purge_date} == #{Date.today > purge_date}"
    if Date.today > purge_date
      snapshot.delete if not list_only
      purged << snapshot
    end
  end

  return purged
end

targets(ec2) click to toggle source

# File lib/snapscatter.rb, line 21
def targets ec2
  ec2.volumes.tagged('Backup').tagged_values('true')
end

Private Instance Methods