def delete_dr_publisher(**kwargs):
'''
Deletes publisher (the source of the publishes_files relationship)
from the feed (the target of the relationship).
Assumes that the 'publisher_id' property was added to the dictionary of feed-related properties,
when the publisher was added to the feed.
'''
try:
# Make sure we have a name under which to store DMaaP configuration
# Check early so we don't needlessly create DMaaP entities
if 'service_component_name' not in ctx.source.instance.runtime_properties:
raise Exception("Source node does not have 'service_component_name' in runtime_properties")
# Get the publisher id
target_feed = ctx.target.node.id
publisher_id = ctx.source.instance.runtime_properties[target_feed]["publisher_id"]
ctx.logger.info("Attempting to delete publisher {0}".format(publisher_id))
# Make the request
dmc = DMaaPControllerHandle(DMAAP_API_URL, DMAAP_USER, DMAAP_PASS, ctx.logger)
del_result = dmc.delete_publisher(publisher_id)
del_result.raise_for_status()
ctx.logger.info("Deleted publisher {0}".format(publisher_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 publisher: {er}".format(er=e))
def delete_mr_client(**kwargs):
'''
Delete the client (publisher or subscriber).
Expect property 'client_id' to have been set in the instance's runtime_properties
when the client was created.
'''
try:
target_topic = ctx.target.node.id
client_id = ctx.source.instance.runtime_properties[target_topic][
"client_id"]
ctx.logger.info("Attempting to delete client {0} ".format(client_id))
dmc = DMaaPControllerHandle(DMAAP_API_URL, DMAAP_USER, DMAAP_PASS,
ctx.logger)
c = dmc.delete_client(client_id)
c.raise_for_status()
ctx.logger.info("Deleted client {0}".format(client_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 MR client: {er}".format(er=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))
def test_add_entry(mockconsul):
_ch = ConsulHandle("http://{0}:{1}".format(CONSUL_HOST, CONSUL_PORT), None,
None, None)
key = 'DMAAP_TEST'
name = 'dmaap_test_name'
value = 'dmaap_test_value'
_ch.add_to_entry(key, name, value)
name = "dmaap_test_name_2"
value = 'dmaap_test_value_2'
_ch.add_to_entry(key, name, value)
_ch.delete_entry(key)
