def forwards_func(apps, schema_editor):
Worker = apps.get_model("lava_scheduler_app", "Worker")
db_alias = schema_editor.connection.alias
# Identify master node and populate the required fields.
# Since migrations run only on master node, we assume the current node
# should be designated as master.
is_master = True
localhost = utils.get_fqdn()
ipaddr = utils.get_ip_address()
# NOTE: RPC2_URL formed below is a guess. The administrator should
# revisit the correctness of this URL from the administration
# UI, fixing it for the node which is designated as the master.
rpc2_url = "http://{0}/RPC2".format(localhost)
if localhost == 'example.com' or localhost == 'www.example.com':
rpc2_url = "http://{0}/RPC2".format(ipaddr)
try:
with transaction.atomic():
worker, created = Worker.objects.using(db_alias).get_or_create(
hostname=localhost)
worker.is_master = is_master
worker.ip_address = ipaddr
worker.rpc2_url = rpc2_url
worker.save()
except:
print "Identifying master node failed ..."
def forwards(self, orm):
# Deleting field 'Worker.heartbeat'
db.delete_column('lava_scheduler_app_worker', 'heartbeat')
# Adding field 'Worker.rpc2_url'
db.add_column('lava_scheduler_app_worker',
'rpc2_url',
self.gf('django.db.models.fields.CharField')(
default=None, max_length=200, null=True, blank=True),
keep_default=False)
# Adding field 'Worker.ip_address'
db.add_column('lava_scheduler_app_worker',
'ip_address',
self.gf('django.db.models.fields.CharField')(
default=None, max_length=20, null=True, blank=True),
keep_default=False)
# Adding field 'Worker.is_master'
db.add_column(
'lava_scheduler_app_worker',
'is_master',
self.gf('django.db.models.fields.BooleanField')(default=False),
keep_default=False)
# Deleting field 'Device.heartbeat'
db.delete_column('lava_scheduler_app_device', 'heartbeat')
# Deleting field 'Device.last_heartbeat'
db.delete_column('lava_scheduler_app_device', 'last_heartbeat')
# Identify master node and populate the required fields.
# Since migrations run only on master node, we assume the current node
# should be designated as master.
is_master = True
localhost = utils.get_fqdn()
ipaddr = utils.get_ip_address()
# NOTE: RPC2_URL formed below is a guess. The administrator should
# revisit the correctness of this URL from the administration
# UI, fixing it for the node which is designated as the master.
rpc2_url = "http://{0}/RPC2".format(localhost)
if localhost == 'example.com' or localhost == 'www.example.com':
rpc2_url = "http://{0}/RPC2".format(ipaddr)
try:
worker = orm['lava_scheduler_app.Worker'].objects.get(
hostname=localhost)
worker.is_master = is_master
worker.ip_address = ipaddr
worker.rpc2_url = rpc2_url
except:
worker = orm['lava_scheduler_app.Worker'](hostname=localhost,
ip_address=ipaddr,
is_master=is_master,
rpc2_url=rpc2_url)
worker.save()
def populate_complete_worker_data(self):
"""This method populates the complete information about the worker
node, which is a lengthy operation.
"""
self.populate_minimal_worker_data()
self.worker['info_size'] = 'complete'
self.worker['arch'] = platform.machine()
self.worker['platform'] = platform.platform()
self.worker['ipaddr'] = utils.get_ip_address()
self.worker['hardware_info'] = utils.get_lshw_out()
self.worker['software_info'] = utils.get_software_info()
self.logger.debug("Complete worker data populated ...")
def populate_complete_worker_data(self):
"""This method populates the complete information about the worker
node, which is a lengthy operation.
"""
self.populate_minimal_worker_data()
self.worker["info_size"] = "complete"
self.worker["arch"] = platform.machine()
self.worker["platform"] = platform.platform()
self.worker["ipaddr"] = utils.get_ip_address()
self.worker["hardware_info"] = utils.get_lshw_out()
self.worker["software_info"] = utils.get_software_info()
self.logger.debug("Complete worker data populated ...")
def forwards(self, orm):
# Deleting field 'Worker.heartbeat'
db.delete_column('lava_scheduler_app_worker', 'heartbeat')
# Adding field 'Worker.rpc2_url'
db.add_column('lava_scheduler_app_worker', 'rpc2_url',
self.gf('django.db.models.fields.CharField')(default=None, max_length=200, null=True, blank=True),
keep_default=False)
# Adding field 'Worker.ip_address'
db.add_column('lava_scheduler_app_worker', 'ip_address',
self.gf('django.db.models.fields.CharField')(default=None, max_length=20, null=True, blank=True),
keep_default=False)
# Adding field 'Worker.is_master'
db.add_column('lava_scheduler_app_worker', 'is_master',
self.gf('django.db.models.fields.BooleanField')(default=False),
keep_default=False)
# Deleting field 'Device.heartbeat'
db.delete_column('lava_scheduler_app_device', 'heartbeat')
# Deleting field 'Device.last_heartbeat'
db.delete_column('lava_scheduler_app_device', 'last_heartbeat')
# Identify master node and populate the required fields.
# Since migrations run only on master node, we assume the current node
# should be designated as master.
is_master = True
localhost = utils.get_fqdn()
ipaddr = utils.get_ip_address()
# NOTE: RPC2_URL formed below is a guess. The administrator should
# revisit the correctness of this URL from the administration
# UI, fixing it for the node which is designated as the master.
rpc2_url = "http://{0}/RPC2".format(localhost)
if localhost == 'example.com' or localhost == 'www.example.com':
rpc2_url = "http://{0}/RPC2".format(ipaddr)
try:
worker = orm['lava_scheduler_app.Worker'].objects.get(
hostname=localhost)
worker.is_master = is_master
worker.ip_address = ipaddr
worker.rpc2_url = rpc2_url
except:
worker = orm['lava_scheduler_app.Worker'](hostname=localhost,
ip_address=ipaddr,
is_master=is_master,
rpc2_url=rpc2_url)
worker.save()