Class: Vagrant::Smartos::Zones::Models::Snapshot

Inherits:
Object
  • Object
show all
Includes:
Util::GlobalZone::Helper
Defined in:
lib/vagrant/smartos/zones/models/snapshot.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Util::GlobalZone::Helper

included, #sudo, #with_gz

Instance Attribute Details

#created_at ⇒ Object

Returns the value of attribute created_at.



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# File 'lib/vagrant/smartos/zones/models/snapshot.rb', line 11

def created_at
  @created_at
end

#machine ⇒ Object

Returns the value of attribute machine.



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# File 'lib/vagrant/smartos/zones/models/snapshot.rb', line 11

def machine
  @machine
end

#name ⇒ Object

Returns the value of attribute name.



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# File 'lib/vagrant/smartos/zones/models/snapshot.rb', line 11

def name
  @name
end

#space_used ⇒ Object

Returns the value of attribute space_used.



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# File 'lib/vagrant/smartos/zones/models/snapshot.rb', line 11

def space_used
  @space_used
end

#zone ⇒ Object

Returns the value of attribute zone.



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# File 'lib/vagrant/smartos/zones/models/snapshot.rb', line 11

def zone
  @zone
end

Class Method Details

.all(zone) ⇒ Object 



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# File 'lib/vagrant/smartos/zones/models/snapshot.rb', line 25

def self.all(zone)
  snapshots = []
  cmd = "pfexec zfs list -t snapshot -H -r -o name,creation,used zones/#{zone.uuid}"
  with_gz(zone.machine, cmd) do |output|
    break if output.include?('no datasets available')
    snapshots += output.split("\n").map { |l| from_line(l, zone) }
  end
  snapshots
end

.around(zone, &block) ⇒ Object 



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# File 'lib/vagrant/smartos/zones/models/snapshot.rb', line 13

def self.around(zone, &block)
  snapshot_name = "before_#{Time.now.to_i}"
  snapshot = create(snapshot_name, zone)
  if block.arity.eql?(1)
    block.call snapshot
  else
    block.call
  end
  snapshot.rollback
  snapshot.destroy
end

.create(name, zone) ⇒ Object 



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# File 'lib/vagrant/smartos/zones/models/snapshot.rb', line 35

def self.create(name, zone)
  cmd = "pfexec zfs snapshot zones/#{zone.uuid}@#{name}"
  with_gz(zone.machine, cmd)
  find(name, zone)
end

.find(name, zone) ⇒ Object 



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# File 'lib/vagrant/smartos/zones/models/snapshot.rb', line 41

def self.find(name, zone)
  all(zone).find { |snapshot| snapshot.name == name } || raise(SnapshotNotFound)
end

.from_line(l, zone) ⇒ Object 



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# File 'lib/vagrant/smartos/zones/models/snapshot.rb', line 45

def self.from_line(l, zone)
  name, created_at, used = l.split("\t")
  new.tap do |s|
    s.machine = zone.machine
    s.zone = zone
    s.name = name.split('@').last
    s.created_at = created_at
    s.space_used = used
  end
end

Instance Method Details

#destroy ⇒ Object 



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# File 'lib/vagrant/smartos/zones/models/snapshot.rb', line 60

def destroy
  with_gz("pfexec zfs destroy #{path}")
end

#path ⇒ Object 



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# File 'lib/vagrant/smartos/zones/models/snapshot.rb', line 56

def path
  "zones/#{zone.uuid}@#{name}"
end

#rollback ⇒ Object 



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# File 'lib/vagrant/smartos/zones/models/snapshot.rb', line 64

def rollback
  with_gz("pfexec zfs rollback -r #{path}")
end