|
module Orchestration::Compute
|
|
def self.included(base)
|
|
base.send :include, InstanceMethods
|
|
base.class_eval do
|
|
attr_accessor :compute_attributes, :vm, :provision_method
|
|
after_validation :queue_compute
|
|
before_destroy :queue_compute_destroy
|
|
end
|
|
end
|
|
|
|
module InstanceMethods
|
|
def compute?
|
|
compute_resource_id.present? and compute_attributes.present?
|
|
end
|
|
|
|
def compute_object
|
|
if uuid.present? and compute_resource_id.present?
|
|
compute_resource.find_vm_by_uuid(uuid) rescue nil
|
|
# we don't want the fact that we failed to fetch the information to break foreman
|
|
# this is mostly relevant when the orchestration had a failure, and later on in the ui we try to retrieve the server again.
|
|
# or when the server was removed not via foreman.
|
|
elsif compute_resource_id.present? && compute_attributes
|
|
compute_resource.new_vm compute_attributes
|
|
end
|
|
end
|
|
|
|
protected
|
|
def queue_compute
|
|
return unless compute? and errors.empty?
|
|
new_record? ? queue_compute_create : queue_compute_update
|
|
end
|
|
|
|
def queue_compute_create
|
|
queue.create(:name => "Settings up compute instance #{self}", :priority => 1,
|
|
:action => [self, :setCompute])
|
|
queue.create(:name => "Acquiring IP address for #{self}", :priority => 2,
|
|
:action => [self, :setComputeIP]) if compute_resource.provided_attributes.keys.include?(:ip)
|
|
queue.create(:name => "Querying instance details for #{self}", :priority => 3,
|
|
:action => [self, :setComputeDetails])
|
|
queue.create(:name => "Power up compute instance #{self}", :priority => 1000,
|
|
:action => [self, :setComputePowerUp]) if compute_attributes[:start] == '1'
|
|
end
|
|
|
|
def queue_compute_update
|
|
return unless compute_update_required?
|
|
logger.debug("Detected a change is required for Compute resource")
|
|
queue.create(:name => "Compute resource update for #{old}", :priority => 7,
|
|
:action => [self, :setComputeUpdate])
|
|
end
|
|
|
|
def queue_compute_destroy
|
|
return unless errors.empty? and compute_resource_id.present? and uuid
|
|
queue.create(:name => "Removing compute instance #{self}", :priority => 100,
|
|
:action => [self, :delCompute])
|
|
end
|
|
|
|
def setCompute
|
|
logger.info "Adding Compute instance for #{name}"
|
|
self.vm = compute_resource.create_vm compute_attributes.merge(:name => name)
|
|
rescue => e
|
|
failure "Failed to create a compute #{compute_resource} instance #{name}: #{e.message}\n " + e.backtrace.join("\n ")
|
|
end
|
|
|
|
def setComputeDetails
|
|
if vm
|
|
attrs = compute_resource.provided_attributes
|
|
normalize_addresses if attrs.keys.include?(:mac) or attrs.keys.include?(:ip)
|
|
|
|
attrs.each do |foreman_attr, fog_attr |
|
|
# we can't ensure uniqueness of #foreman_attr using normal rails validations as that gets in a later step in the process
|
|
# therefore we must validate its not used already in our db.
|
|
value = vm.send(fog_attr)
|
|
self.send("#{foreman_attr}=", value)
|
|
|
|
if value.blank? or (other_host = Host.send("find_by_#{foreman_attr}", value))
|
|
delCompute
|
|
return failure("#{foreman_attr} #{value} is already used by #{other_host}") if other_host
|
|
return failure("#{foreman_attr} value is blank!")
|
|
end
|
|
end
|
|
true
|
|
else
|
|
failure "failed to save #{name}"
|
|
end
|
|
end
|
|
|
|
def delComputeDetails; end
|
|
|
|
def setComputeIP
|
|
attrs = compute_resource.provided_attributes
|
|
if attrs.keys.include?(:ip)
|
|
logger.info "waiting for instance to acquire ip address"
|
|
vm.wait_for { self.send(attrs[:ip]) }
|
|
end
|
|
rescue => e
|
|
failure "Failed to get IP for #{name}: #{e}", e.backtrace
|
|
end
|
|
|
|
def delComputeIP;end
|
|
|
|
def delCompute
|
|
logger.info "Removing Compute instance for #{name}"
|
|
compute_resource.destroy_vm uuid
|
|
rescue => e
|
|
failure "Failed to destroy a compute #{compute_resource} instance #{name}: #{e}", e.backtrace
|
|
end
|
|
|
|
def setComputePowerUp
|
|
logger.info "Powering up Compute instance for #{name}"
|
|
compute_resource.start_vm uuid
|
|
rescue => e
|
|
failure "Failed to power up a compute #{compute_resource} instance #{name}: #{e}", e.backtrace
|
|
end
|
|
|
|
def delComputePowerUp
|
|
logger.info "Powering down Compute instance for #{name}"
|
|
compute_resource.stop_vm uuid
|
|
rescue => e
|
|
failure "Failed to stop compute #{compute_resource} instance #{name}: #{e}", e.backtrace
|
|
end
|
|
|
|
def setComputeUpdate
|
|
logger.info "Update Compute instance for #{name}"
|
|
compute_resource.save_vm uuid, compute_attributes
|
|
rescue => e
|
|
failure "Failed to update a compute #{compute_resource} instance #{name}: #{e}", e.backtrace
|
|
end
|
|
|
|
def delComputeUpdate
|
|
logger.info "Undo Update Compute instance for #{name}"
|
|
compute_resource.save_vm uuid, old.compute_attributes
|
|
rescue => e
|
|
failure "Failed to undo update compute #{compute_resource} instance #{name}: #{e}", e.backtrace
|
|
end
|
|
|
|
private
|
|
|
|
def compute_update_required?
|
|
return false unless compute_resource.supports_update?
|
|
old.compute_attributes = compute_resource.find_vm_by_uuid(uuid).attributes
|
|
compute_resource.update_required?(old.compute_attributes, compute_attributes.symbolize_keys)
|
|
end
|
|
|
|
end
|
|
end
|