def index(self, req):
"""
Return a list of all running services. Filter by host & service name.
"""
context = req.environ['nova.context']
authorize(context)
now = timeutils.utcnow()
services = db.service_get_all(context)
host = ''
if 'host' in req.GET:
host = req.GET['host']
service = ''
if 'service' in req.GET:
service = req.GET['service']
if host:
services = [s for s in services if s['host'] == host]
if service:
services = [s for s in services if s['binary'] == service]
svcs = []
for svc in services:
delta = now - (svc['updated_at'] or svc['created_at'])
alive = abs(utils.total_seconds(delta)) <= CONF.service_down_time
art = (alive and "up") or "down"
active = 'enabled'
if svc['disabled']:
active = 'disabled'
svcs.append({"binary": svc['binary'], 'host': svc['host'],
'zone': svc['availability_zone'],
'status': active, 'state': art,
'updated_at': svc['updated_at']})
return {'services': svcs}
def index(self, req):
"""
Return a list of all running services. Filter by host & service name.
"""
context = req.environ['nova.context']
authorize(context)
now = timeutils.utcnow()
services = db.service_get_all(context)
host = ''
if 'host' in req.GET:
host = req.GET['host']
service = ''
if 'service' in req.GET:
service = req.GET['service']
if host:
services = [s for s in services if s['host'] == host]
if service:
services = [s for s in services if s['binary'] == service]
svcs = []
for svc in services:
delta = now - (svc['updated_at'] or svc['created_at'])
alive = abs(utils.total_seconds(delta)) <= CONF.service_down_time
art = (alive and "up") or "down"
active = 'enabled'
if svc['disabled']:
active = 'disabled'
svcs.append({"binary": svc['binary'], 'host': svc['host'],
'zone': svc['availability_zone'],
'status': active, 'state': art,
'updated_at': svc['updated_at']})
return {'services': svcs}
def is_up(self, service_ref):
"""Moved from nova.utils
Check whether a service is up based on last heartbeat.
"""
last_heartbeat = service_ref['updated_at'] or service_ref['created_at']
# Timestamps in DB are UTC.
elapsed = utils.total_seconds(timeutils.utcnow() - last_heartbeat)
LOG.debug('DB_Driver.is_up last_heartbeat = %(lhb)s elapsed = %(el)s',
{'lhb': str(last_heartbeat), 'el': str(elapsed)})
return abs(elapsed) <= CONF.service_down_time
def is_up(self, service_ref):
"""Moved from nova.utils
Check whether a service is up based on last heartbeat.
"""
last_heartbeat = service_ref['updated_at'] or service_ref['created_at']
# Timestamps in DB are UTC.
elapsed = utils.total_seconds(timeutils.utcnow() - last_heartbeat)
LOG.debug('DB_Driver.is_up last_heartbeat = %(lhb)s elapsed = %(el)s',
{'lhb': str(last_heartbeat), 'el': str(elapsed)})
return abs(elapsed) <= CONF.service_down_time
def is_up(self, service_ref):
"""Moved from nova.utils
Check whether a service is up based on last heartbeat.
"""
last_heartbeat = service_ref['updated_at'] or service_ref['created_at']
if isinstance(last_heartbeat, basestring):
# NOTE(russellb) If this service_ref came in over rpc via
# conductor, then the timestamp will be a string and needs to be
# converted back to a datetime.
last_heartbeat = timeutils.parse_strtime(last_heartbeat)
# Timestamps in DB are UTC.
elapsed = utils.total_seconds(timeutils.utcnow() - last_heartbeat)
LOG.debug('DB_Driver.is_up last_heartbeat = %(lhb)s elapsed = %(el)s',
{'lhb': str(last_heartbeat), 'el': str(elapsed)})
return abs(elapsed) <= CONF.service_down_time
def is_up(self, service_ref):
"""Moved from nova.utils
Check whether a service is up based on last heartbeat.
"""
last_heartbeat = service_ref['updated_at'] or service_ref['created_at']
if isinstance(last_heartbeat, basestring):
# NOTE(russellb) If this service_ref came in over rpc via
# conductor, then the timestamp will be a string and needs to be
# converted back to a datetime.
last_heartbeat = timeutils.parse_strtime(last_heartbeat)
# Timestamps in DB are UTC.
elapsed = utils.total_seconds(timeutils.utcnow() - last_heartbeat)
LOG.debug('DB_Driver.is_up last_heartbeat = %(lhb)s elapsed = %(el)s',
{'lhb': str(last_heartbeat), 'el': str(elapsed)})
return abs(elapsed) <= CONF.service_down_time
def _get_dead_hosts(self, context):
'''
get the node status by nova-recover service
and return all failed node
:param context:
:return:
'''
now = timeutils.utcnow()
services = db.service_get_all_by_topic(context, topic)
dead_hosts = []
alive_hosts = []
for service in services:
delta = now - (service['updated_at'] or service['created_at'])
alive = abs(utils.total_seconds(delta)) <= FLAGS.service_down_time
service_host = service['host']
if alive:
alive_hosts.append(service_host)
else:
dead_hosts.append(service_host)
return dead_hosts, alive_hosts
def is_up(self, service_ref):
"""Moved from nova.utils
Check whether a service is up based on last heartbeat.
"""
last_heartbeat = service_ref["updated_at"] or service_ref["created_at"]
if isinstance(last_heartbeat, basestring):
# NOTE(russellb) If this service_ref came in over rpc via
# conductor, then the timestamp will be a string and needs to be
# converted back to a datetime.
last_heartbeat = timeutils.parse_strtime(last_heartbeat)
else:
# Objects have proper UTC timezones, but the timeutils comparison
# below does not (and will fail)
last_heartbeat = last_heartbeat.replace(tzinfo=None)
# Timestamps in DB are UTC.
elapsed = utils.total_seconds(timeutils.utcnow() - last_heartbeat)
LOG.debug(
"DB_Driver.is_up last_heartbeat = %(lhb)s elapsed = %(el)s",
{"lhb": str(last_heartbeat), "el": str(elapsed)},
)
return abs(elapsed) <= CONF.service_down_time
def index(self, req):
"""
Return a list of all running services. Filter by host & service name.
"""
context = req.environ["nova.context"]
authorize(context)
now = timeutils.utcnow()
services = self.host_api.service_get_all(context, set_zones=True)
host = ""
if "host" in req.GET:
host = req.GET["host"]
service = ""
if "service" in req.GET:
service = req.GET["service"]
if host:
services = [s for s in services if s["host"] == host]
if service:
services = [s for s in services if s["binary"] == service]
svcs = []
for svc in services:
delta = now - (svc["updated_at"] or svc["created_at"])
alive = abs(utils.total_seconds(delta)) <= CONF.service_down_time
art = (alive and "up") or "down"
active = "enabled"
if svc["disabled"]:
active = "disabled"
svcs.append(
{
"binary": svc["binary"],
"host": svc["host"],
"zone": svc["availability_zone"],
"status": active,
"state": art,
"updated_at": svc["updated_at"],
}
)
return {"services": svcs}
def is_service_alive(updated_at, created_at):
delta = timeutils.utcnow() - (updated_at or created_at)
return abs(utils.total_seconds(delta)) <= CONF.service_down_time
def service_is_up(service):
"""Check whether a service is up based on last heartbeat."""
last_heartbeat = service['updated_at'] or service['created_at']
# Timestamps in DB are UTC.
elapsed = utils.total_seconds(utils.utcnow() - last_heartbeat)
return abs(elapsed) <= FLAGS.service_down_time
def service_is_up(service):
"""Check whether a service is up based on last heartbeat."""
last_heartbeat = service['updated_at'] or service['created_at']
# Timestamps in DB are UTC.
elapsed = utils.total_seconds(utils.utcnow() - last_heartbeat)
return abs(elapsed) <= FLAGS.service_down_time
def is_service_alive(updated_at, created_at):
delta = timeutils.utcnow() - (updated_at or created_at)
return abs(utils.total_seconds(delta)) <= CONF.service_down_time
