def _on_snapshot_loaded(self, etcd_snapshot_response):
"""Called whenever a snapshot is loaded from etcd.
Updates the driver with the current state.
"""
LOG.info("Started processing status-reporting snapshot from etcd")
endpoints_by_host = collections.defaultdict(set)
hosts_with_live_felix = set()
# First pass: find all the Felixes that are alive.
for etcd_node in etcd_snapshot_response.leaves:
key = etcd_node.key
felix_hostname = datamodel_v1.hostname_from_status_key(key)
if felix_hostname:
# Defer to the code for handling an event.
hosts_with_live_felix.add(felix_hostname)
self._on_status_set(etcd_node, felix_hostname)
continue
# Second pass: find all the endpoints associated with a live Felix.
for etcd_node in etcd_snapshot_response.leaves:
key = etcd_node.key
endpoint_id = datamodel_v1.get_endpoint_id_from_key(key)
if endpoint_id:
if endpoint_id.host in hosts_with_live_felix:
LOG.debug("Endpoint %s is on a host with a live Felix.",
endpoint_id)
self._report_status(
endpoints_by_host,
endpoint_id,
etcd_node.value
)
else:
LOG.debug("Endpoint %s is not on a host with live Felix;"
"marking it down.",
endpoint_id)
self.calico_driver.on_port_status_changed(
endpoint_id.host,
endpoint_id.endpoint,
None,
)
continue
# Find any removed endpoints.
for host, endpoints in self._endpoints_by_host.iteritems():
current_endpoints = endpoints_by_host.get(host, set())
removed_endpoints = endpoints - current_endpoints
for endpoint_id in removed_endpoints:
LOG.debug("Endpoint %s removed by resync.")
self.calico_driver.on_port_status_changed(
host,
endpoint_id.endpoint,
None,
)
# Swap in the newly-loaded state.
self._endpoints_by_host = endpoints_by_host
LOG.info("Finished processing status-reporting snapshot from etcd")
def _on_snapshot_loaded(self, etcd_snapshot_response):
"""Called whenever a snapshot is loaded from etcd.
Updates the driver with the current state.
"""
LOG.info("Started processing status-reporting snapshot from etcd")
endpoints_by_host = collections.defaultdict(set)
hosts_with_live_felix = set()
# First pass: find all the Felixes that are alive.
for etcd_node in etcd_snapshot_response.leaves:
key = etcd_node.key
felix_hostname = datamodel_v1.hostname_from_status_key(key)
if felix_hostname:
# Defer to the code for handling an event.
hosts_with_live_felix.add(felix_hostname)
self._on_status_set(etcd_node, felix_hostname)
continue
# Second pass: find all the endpoints associated with a live Felix.
for etcd_node in etcd_snapshot_response.leaves:
key = etcd_node.key
endpoint_id = datamodel_v1.get_endpoint_id_from_key(key)
if endpoint_id:
if endpoint_id.host in hosts_with_live_felix:
LOG.debug("Endpoint %s is on a host with a live Felix.",
endpoint_id)
self._report_status(
endpoints_by_host,
endpoint_id,
etcd_node.value
)
else:
LOG.debug("Endpoint %s is not on a host with live Felix;"
"marking it down.",
endpoint_id)
self.calico_driver.on_port_status_changed(
endpoint_id.host,
endpoint_id.endpoint,
None,
)
continue
# Find any removed endpoints.
for host, endpoints in self._endpoints_by_host.iteritems():
current_endpoints = endpoints_by_host.get(host, set())
removed_endpoints = endpoints - current_endpoints
for endpoint_id in removed_endpoints:
LOG.debug("Endpoint %s removed by resync.")
self.calico_driver.on_port_status_changed(
host,
endpoint_id.endpoint,
None,
)
# Swap in the newly-loaded state.
self._endpoints_by_host = endpoints_by_host
LOG.info("Finished processing status-reporting snapshot from etcd")
def _on_snapshot_loaded(self, etcd_snapshot_response):
"""
Called whenever a snapshot is loaded from etcd.
Updates the driver with the current state.
"""
for etcd_node in etcd_snapshot_response.leaves:
key = etcd_node.key
felix_hostname = hostname_from_status_key(key)
if felix_hostname:
# Defer to the code for handling an event.
self._on_status_set(etcd_node, felix_hostname)