def remove_dr_bridge(**kwargs):
try:
dmc = DMaaPControllerHandle(DMAAP_API_URL, DMAAP_USER, DMAAP_PASS,
ctx.logger)
if ctx.target.node.id in ctx.source.instance.runtime_properties:
if 'subscriber_id' in ctx.source.instance.runtime_properties[
ctx.target.node.id]:
# Delete the subscription for this bridge
ctx.logger.info(
"Removing bridge -- deleting subscriber {0}".format(
ctx.source.instance.runtime_properties[
ctx.target.node.id]['subscriber_id']))
dmc.delete_subscriber(ctx.source.instance.runtime_properties[
ctx.target.node.id]['subscriber_id'])
if 'publisher_id' in ctx.source.instance.runtime_properties:
# Delete the publisher for this bridge
ctx.logger.info(
"Removing bridge -- deleting publisher {0}".format(
ctx.source.instance.runtime_properties[
ctx.target.node.id]['publisher_id']))
dmc.delete_publisher(ctx.source.instance.runtime_properties[
ctx.target.node.id]['publisher_id'])
ctx.logger.info("Remove bridge from {0} to {1}".format(
ctx.source.node.id, ctx.target.node.id))
except Exception as e:
ctx.logger.error("Error removing bridge: {0}".format(e))
def delete_dr_subscriber(**kwargs):
'''
Deletes subscriber (the source of the subscribes_to_files relationship)
from the feed (the target of the relationship).
Assumes that the source node's runtime properties dictionary for the target feed
includes 'subscriber_id', set when the publisher was added to the feed.
'''
try:
# Get the subscriber id
target_feed = ctx.target.node.id
subscriber_id = ctx.source.instance.runtime_properties[target_feed]["subscriber_id"]
ctx.logger.info("Attempting to delete subscriber {0} from feed {1}".format(subscriber_id, target_feed))
# Make the request
dmc = DMaaPControllerHandle(DMAAP_API_URL, DMAAP_USER, DMAAP_PASS, ctx.logger)
del_result = dmc.delete_subscriber(subscriber_id)
del_result.raise_for_status()
ctx.logger.info("Deleted subscriber {0}".format(subscriber_id))
# Attempt to remove the entire ":dmaap" entry from the Consul KV store
# Will quietly do nothing if the entry has already been removed
ch = ConsulHandle("http://{0}:8500".format(CONSUL_HOST), None, None, ctx.logger)
ch.delete_entry("{0}:dmaap".format(ctx.source.instance.runtime_properties['service_component_name']))
except Exception as e:
ctx.logger.error("Error deleting subscriber: {er}".format(er=e))