class Node < ArvadosModel
- include AssignUuid
+ include HasUuid
include KindAndEtag
include CommonApiTemplate
serialize :info, Hash
+ serialize :properties, Hash
before_validation :ensure_ping_secret
after_update :dnsmasq_update
+ # Only a controller can figure out whether or not the current API tokens
+ # have access to the associated Job. They're expected to set
+ # job_readable=true if the Job UUID can be included in the API response.
+ belongs_to(:job, foreign_key: :job_uuid, primary_key: :uuid)
+ attr_accessor :job_readable
+
MAX_SLOTS = 64
@@confdir = Rails.configuration.dnsmasq_conf_dir
t.add :last_ping_at
t.add :slot_number
t.add :status
+ t.add :api_job_uuid, as: :job_uuid
t.add :crunch_worker_state
+ t.add :properties
end
api_accessible :superuser, :extend => :user do |t|
t.add :first_ping_at
t.add lambda { |x| @@nameservers }, :as => :nameservers
end
- def info
- @info ||= Hash.new
- super
- end
-
def domain
super || @@domain
end
+ def api_job_uuid
+ job_readable ? job_uuid : nil
+ end
+
def crunch_worker_state
- case self.info.andand[:slurm_state]
+ return 'down' if slot_number.nil?
+ case self.info.andand['slurm_state']
when 'alloc', 'comp'
'busy'
when 'idle'
def ping(o)
raise "must have :ip and :ping_secret" unless o[:ip] and o[:ping_secret]
- if o[:ping_secret] != self.info[:ping_secret]
- logger.info "Ping: secret mismatch: received \"#{o[:ping_secret]}\" != \"#{self.info[:ping_secret]}\""
+ if o[:ping_secret] != self.info['ping_secret']
+ logger.info "Ping: secret mismatch: received \"#{o[:ping_secret]}\" != \"#{self.info['ping_secret']}\""
raise ArvadosModel::UnauthorizedError.new("Incorrect ping_secret")
end
self.last_ping_at = Time.now
# Record instance ID if not already known
if o[:ec2_instance_id]
- if !self.info[:ec2_instance_id]
- self.info[:ec2_instance_id] = o[:ec2_instance_id]
- if (Rails.configuration.compute_node_ec2_tag_enable rescue true)
- tag_cmd = ("ec2-create-tags #{o[:ec2_instance_id]} " +
- "--tag 'Name=#{self.uuid}'")
- `#{tag_cmd}`
- end
- elsif self.info[:ec2_instance_id] != o[:ec2_instance_id]
+ if !self.info['ec2_instance_id']
+ self.info['ec2_instance_id'] = o[:ec2_instance_id]
+ elsif self.info['ec2_instance_id'] != o[:ec2_instance_id]
logger.debug "Multiple nodes have credentials for #{self.uuid}"
- raise "#{self.uuid} is already running at #{self.info[:ec2_instance_id]} so rejecting ping from #{o[:ec2_instance_id]}"
+ raise "#{self.uuid} is already running at #{self.info['ec2_instance_id']} so rejecting ping from #{o[:ec2_instance_id]}"
end
end
raise "No available node slots" if try_slot == MAX_SLOTS
end while true
self.hostname = self.class.hostname_for_slot(self.slot_number)
- if info[:ec2_instance_id]
- if (Rails.configuration.compute_node_ec2_tag_enable rescue true)
- `ec2-create-tags #{self.info[:ec2_instance_id]} --tag 'hostname=#{self.hostname}'`
- end
- end
end
- save!
- end
-
- def start!(ping_url_method)
- ensure_permission_to_update
- ping_url = ping_url_method.call({ id: self.uuid, ping_secret: self.info[:ping_secret] })
- if (Rails.configuration.compute_node_ec2run_args and
- Rails.configuration.compute_node_ami)
- ec2_args = ["--user-data '#{ping_url}'",
- "-t c1.xlarge -n 1",
- Rails.configuration.compute_node_ec2run_args,
- Rails.configuration.compute_node_ami
- ]
- ec2run_cmd = ["ec2-run-instances",
- "--client-token", self.uuid,
- ec2_args].flatten.join(' ')
- ec2spot_cmd = ["ec2-request-spot-instances",
- "-p #{Rails.configuration.compute_node_spot_bid} --type one-time",
- ec2_args].flatten.join(' ')
- else
- ec2run_cmd = ''
- ec2spot_cmd = ''
- end
- self.info[:ec2_run_command] = ec2run_cmd
- self.info[:ec2_spot_command] = ec2spot_cmd
- self.info[:ec2_start_command] = ec2spot_cmd
- logger.info "#{self.uuid} ec2_start_command= #{ec2spot_cmd.inspect}"
- result = `#{ec2spot_cmd} 2>&1`
- self.info[:ec2_start_result] = result
- logger.info "#{self.uuid} ec2_start_result= #{result.inspect}"
- result.match(/INSTANCE\s*(i-[0-9a-f]+)/) do |m|
- instance_id = m[1]
- self.info[:ec2_instance_id] = instance_id
- if (Rails.configuration.compute_node_ec2_tag_enable rescue true)
- `ec2-create-tags #{instance_id} --tag 'Name=#{self.uuid}'`
- end
- end
- result.match(/SPOTINSTANCEREQUEST\s*(sir-[0-9a-f]+)/) do |m|
- sir_id = m[1]
- self.info[:ec2_sir_id] = sir_id
- if (Rails.configuration.compute_node_ec2_tag_enable rescue true)
- `ec2-create-tags #{sir_id} --tag 'Name=#{self.uuid}'`
+ # Record other basic stats
+ ['total_cpu_cores', 'total_ram_mb', 'total_scratch_mb'].each do |key|
+ if value = (o[key] or o[key.to_sym])
+ self.properties[key] = value.to_i
+ else
+ self.properties.delete(key)
end
end
- self.save!
+
+ save!
end
protected
def ensure_ping_secret
- self.info[:ping_secret] ||= rand(2**256).to_s(36)
+ self.info['ping_secret'] ||= rand(2**256).to_s(36)
end
def dnsmasq_update
projects / arvados.git / blobdiff