from fsbase import FsException
from msgbase import MsgException
from os import environ
-from vca import DeployApplication, RemoveApplication
+# from vca import DeployApplication, RemoveApplication
+from n2vc.vnf import N2VC
+import os.path
+import time
+
from copy import deepcopy
from http import HTTPStatus
"logger_name": "lcm.ROclient",
"loglevel": "ERROR",
}
+
self.vca = config["VCA"] # TODO VCA
self.loop = None
if "loglevel" in config[k1]:
logger_module.setLevel(config[k1]["loglevel"])
+ self.n2vc = N2VC(
+ log=self.logger,
+ server=config['VCA']['host'],
+ port=config['VCA']['port'],
+ user=config['VCA']['user'],
+ secret=config['VCA']['secret'],
+ # TODO: This should point to the base folder where charms are stored,
+ # if there is a common one (like object storage). Otherwise, leave
+ # it unset and pass it via DeployCharms
+ # artifacts=config['VCA'][''],
+ artifacts=None,
+ )
+
try:
if config["database"]["driver"] == "mongo":
self.db = dbmongo.DbMongo()
except DbException as e:
self.logger.error("Updating nsr_id={}: {}".format(nsr_id, e))
+ def n2vc_callback(self, model_name, application_name, workload_status, db_nsr, vnf_member_index, task=None):
+ """Update the lcm database with the status of the charm.
+
+ Updates the VNF's operational status with the state of the charm:
+ - blocked: The unit needs manual intervention
+ - maintenance: The unit is actively deploying/configuring
+ - waiting: The unit is waiting for another charm to be ready
+ - active: The unit is deployed, configured, and ready
+ - error: The charm has failed and needs attention.
+ - terminated: The charm has been destroyed
+
+ Updates the network service's config-status to reflect the state of all
+ charms.
+ """
+
+ if not workload_status and not task:
+ self.logger.error("Task create_ns={} n2vc_callback Enter with bad parameters")
+ return
+
+ if not workload_status:
+ self.logger.error("Task create_ns={} n2vc_callback Enter with bad parameters, no workload_status")
+ return
+
+ try:
+ self.logger.debug("[n2vc_callback] Workload status \"{}\"".format(workload_status))
+ nsr_id = db_nsr["_id"]
+ nsr_lcm = db_nsr["_admin"]["deploy"]
+ nsr_lcm["VCA"][vnf_member_index]['operational-status'] = workload_status
+
+ if task:
+ if task.cancelled():
+ return
+
+ if task.done():
+ exc = task.exception()
+ if exc:
+ nsr_lcm = db_nsr["_admin"]["deploy"]
+ nsr_lcm["VCA"][vnf_member_index]['operational-status'] = "failed"
+ db_nsr["detailed-status"] = "fail configuring vnf_index={} {}".format(vnf_member_index, exc)
+ db_nsr["config-status"] = "failed"
+ self.update_nsr_db(nsr_id, db_nsr)
+ else:
+ vca_status = nsr_lcm["VCA"][vnf_member_index]['operational-status']
+
+ units = len(nsr_lcm["VCA"])
+ active = 0
+ statusmap = {}
+ for vnf_index in nsr_lcm["VCA"]:
+ if vca_status not in statusmap:
+ # Initialize it
+ statusmap[vca_status] = 0
+
+ statusmap[vca_status] += 1
+
+ if vca_status == "active":
+ active += 1
+
+ cs = ""
+ for status in statusmap:
+ cs += "{} ({}) ".format(status, statusmap[status])
+ db_nsr["config-status"] = cs
+ self.update_nsr_db(nsr_id, db_nsr)
+
+ except Exception as e:
+ # self.logger.critical("Task create_ns={} n2vc_callback Exception {}".format(nsr_id, e), exc_info=True)
+ self.logger.critical("Task create_ns n2vc_callback Exception {}".format(e), exc_info=True)
+ pass
+
def vca_deploy_callback(self, db_nsr, vnf_index, status, task):
# TODO study using this callback when VCA.DeployApplication success from VCAMonitor
# By the moment this callback is used only to capture exception conditions from VCA DeployApplication
vnf_index = str(c_vnf["member-vnf-index"])
vnfd = needed_vnfd[vnfd_id]
if vnfd.get("vnf-configuration") and vnfd["vnf-configuration"].get("juju"):
- nsr_lcm["VCA"][vnf_index] = {}
vnfd_to_config += 1
proxy_charm = vnfd["vnf-configuration"]["juju"]["charm"]
base_folder["file"],
proxy_charm
)
+
+ # Setup the runtime parameters for this VNF
+ params = {
+ 'rw_mgmt_ip': nsr_lcm['nsr_ip'][vnf_index],
+ }
+
+ # ns_name will be ignored in the current version of N2VC
+ # but will be implemented for the next point release.
+ ns_name = 'default'
+ application_name = self.n2vc.FormatApplicationName(
+ 'default',
+ vnfd['name'],
+ vnf_index,
+ )
+
+ nsr_lcm["VCA"][vnf_index] = {
+ "model": ns_name,
+ "application": application_name,
+ "operational-status": "init",
+ "vnfd_id": vnfd_id,
+ }
+
+ self.logger.debug("Passing artifacts path '{}' for {}".format(charm_path, proxy_charm))
task = asyncio.ensure_future(
- DeployApplication(
- self.config['VCA'],
- self.db,
- db_nsr,
- vnfd,
- vnf_index,
- charm_path,
+ self.n2vc.DeployCharms(
+ ns_name, # The network service name
+ application_name, # The application name
+ vnfd, # The vnf descriptor
+ charm_path, # Path to charm
+ params, # Runtime params, like mgmt ip
+ {}, # for native charms only
+ self.n2vc_callback, # Callback for status changes
+ db_nsr, # Callback parameter
+ vnf_index, # Callback parameter
+ None, # Callback parameter (task)
)
)
- task.add_done_callback(functools.partial(self.vca_deploy_callback, db_nsr, vnf_index, None))
+ task.add_done_callback(functools.partial(self.n2vc_callback, None, None, None, None, db_nsr))
+
self.lcm_tasks[nsr_id][order_id]["create_charm:" + vnf_index] = task
db_nsr["config-status"] = "configuring" if vnfd_to_config else "configured"
db_nsr["detailed-status"] = "Configuring 1/{}".format(vnfd_to_config) if vnfd_to_config else "done"
step = db_nsr["detailed-status"] = "Deleting charms"
self.logger.debug(logging_text + step)
for vnf_index, deploy_info in nsr_lcm["VCA"].items():
- if deploy_info and deploy_info.get("appliation"):
+ if deploy_info and deploy_info.get("application"):
+ # n2vc_callback(self, model_name, application_name, workload_status, db_nsr, vnf_member_index, task=None):
+
+ # self.n2vc.RemoveCharms(model_name, application_name, self.n2vc_callback, model_name, application_name)
task = asyncio.ensure_future(
- RemoveApplication(
- self.config['VCA'],
- self.db,
+ self.n2vc.RemoveCharms(
+ deploy_info['model'],
+ deploy_info['application'],
+ self.n2vc_callback,
db_nsr,
vnf_index,
)
)
+
self.lcm_tasks[nsr_id][order_id]["delete_charm:" + vnf_index] = task
except Exception as e:
self.logger.debug(logging_text + "Failed while deleting charms: {}".format(e))