t.add lambda { |x| Rails.configuration.compute_node_nameservers }, :as => :nameservers
end
+ after_initialize do
+ @bypass_arvados_authorization = false
+ end
+
def domain
super || Rails.configuration.compute_node_domain
end
end
def dns_server_update
- if hostname_changed? && hostname_was
+ if ip_address_changed? && ip_address
+ Node.where('id != ? and ip_address = ?',
+ id, ip_address).each do |stale_node|
+ # One or more(!) stale node records have the same IP address
+ # as the new node. Clear the ip_address field on the stale
+ # nodes. Otherwise, we (via SLURM) might inadvertently connect
+ # to the new node using the old node's hostname.
+ stale_node.update_attributes!(ip_address: nil)
+ end
+ end
+ if hostname_was && hostname_changed?
self.class.dns_server_update(hostname_was, UNUSED_NODE_IP)
end
- if hostname_changed? or ip_address_changed?
- if ip_address
- Node.where('id != ? and ip_address = ? and last_ping_at < ?',
- id, ip_address, 10.minutes.ago).each do |stale_node|
- # One or more stale compute node records have the same IP
- # address as the new node. Clear the ip_address field on
- # the stale nodes.
- stale_node.ip_address = nil
- stale_node.save!
- end
- end
- if hostname
- self.class.dns_server_update(hostname, ip_address || UNUSED_NODE_IP)
- end
+ if hostname && (hostname_changed? || ip_address_changed?)
+ self.class.dns_server_update(hostname, ip_address || UNUSED_NODE_IP)
end
end
(0..Rails.configuration.max_compute_nodes-1).each do |slot_number|
hostname = hostname_for_slot(slot_number)
hostfile = File.join Rails.configuration.dns_server_conf_dir, "#{hostname}.conf"
- if !File.exists? hostfile
+ if !File.exist? hostfile
n = Node.where(:slot_number => slot_number).first
if n.nil? or n.ip_address.nil?
dns_server_update(hostname, UNUSED_NODE_IP)