Class: Bosh::Director::Api::SnapshotManager

Inherits:
Object
  • Object
show all
Defined in:
lib/bosh/director/api/snapshot_manager.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.delete_snapshots(snapshots, options = {}) ⇒ Object 



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# File 'lib/bosh/director/api/snapshot_manager.rb', line 57

def self.delete_snapshots(snapshots, options={})
  keep_snapshots_in_the_cloud = options.fetch(:keep_snapshots_in_the_cloud, false)
  snapshots.each do |snapshot|
    Config.cloud.delete_snapshot(snapshot.snapshot_cid) unless keep_snapshots_in_the_cloud
    snapshot.delete
  end
end

.take_snapshot(instance, options = {}) ⇒ Object 



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# File 'lib/bosh/director/api/snapshot_manager.rb', line 65

def self.take_snapshot(instance, options={})
  unless Config.enable_snapshots
    Config.logger.info('Snapshots are disabled; skipping')
    return []
  end

  clean = options.fetch(:clean, false)
  snapshot_cids = []
  metadata = {
      deployment: instance.deployment.name,
      job: instance.job,
      index: instance.index,
      director_name: Config.name,
      director_uuid: Config.uuid,
      agent_id: instance.agent_id
  }

  instance.persistent_disks.each do |disk|
    cid = Config.cloud.snapshot_disk(disk.disk_cid, metadata)
    snapshot = Models::Snapshot.new(persistent_disk: disk, snapshot_cid: cid, clean: clean)
    snapshot.save
    snapshot_cids << snapshot.snapshot_cid
  end

  snapshot_cids

rescue Bosh::Clouds::NotImplemented
  Config.logger.info('CPI does not support disk snapshots; skipping')
  []
end

Instance Method Details

#create_deployment_snapshot_task(username, deployment, options = {}) ⇒ Object 



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# File 'lib/bosh/director/api/snapshot_manager.rb', line 4

def create_deployment_snapshot_task(username, deployment, options = {})
  JobQueue.new.enqueue(username, Jobs::SnapshotDeployment, 'snapshot deployment', [deployment.name, options], deployment)
end

#create_snapshot_task(username, instance, options) ⇒ Object 



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# File 'lib/bosh/director/api/snapshot_manager.rb', line 8

def create_snapshot_task(username, instance, options)
  JobQueue.new.enqueue(username, Jobs::CreateSnapshot, 'create snapshot', [instance.id, options])
end

#delete_deployment_snapshots_task(username, deployment) ⇒ Object 



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# File 'lib/bosh/director/api/snapshot_manager.rb', line 12

def delete_deployment_snapshots_task(username, deployment)
  JobQueue.new.enqueue(username, Jobs::DeleteDeploymentSnapshots, 'delete deployment snapshots', [deployment.name], deployment)
end

#delete_snapshots_task(username, snapshot_cids) ⇒ Object 



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# File 'lib/bosh/director/api/snapshot_manager.rb', line 16

def delete_snapshots_task(username, snapshot_cids)
  JobQueue.new.enqueue(username, Jobs::DeleteSnapshots, 'delete snapshot', [snapshot_cids])
end

#find_by_cid(deployment, snapshot_cid) ⇒ Object

Raises:



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# File 'lib/bosh/director/api/snapshot_manager.rb', line 20

def find_by_cid(deployment, snapshot_cid)
  snapshot = Models::Snapshot.find(snapshot_cid: snapshot_cid)
  raise SnapshotNotFound, "snapshot #{snapshot_cid} not found" unless snapshot
  unless deployment == snapshot.persistent_disk.instance.deployment
    raise SnapshotNotFound, "snapshot #{snapshot_cid} not found in deployment #{deployment.name}"
  end
  snapshot
end

#snapshots(deployment, job = nil, index_or_id = nil) ⇒ Object 



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# File 'lib/bosh/director/api/snapshot_manager.rb', line 29

def snapshots(deployment, job=nil, index_or_id=nil)
  filter = { deployment: deployment }
  filter[:job] = job if job
  if index_or_id
    filter_key = index_or_id.to_s =~ /^\d+$/ ? :index : :uuid
    filter[filter_key] = index_or_id
  end
  result = []
  instances = Models::Instance.filter(filter).all

  instances.each do |instance|
    instance.persistent_disks.each do |disk|
      disk.snapshots.each do |snapshot|
        result << {
            'job' => instance.job,
            'index' => instance.index,
            'uuid' => instance.uuid,
            'snapshot_cid' => snapshot.snapshot_cid,
            'created_at' => snapshot.created_at.to_s,
            'clean' => snapshot.clean
        }
      end
    end
  end

  result
end