--- /dev/null
+# Copyright 2020 Canonical Ltd.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+from charms.layer.caas_base import pod_spec_set
+from charms.reactive import endpoint_from_flag
+from charms.reactive import when, when_not, hook
+from charms.reactive.flags import set_flag, clear_flag
+from charmhelpers.core.hookenv import (
+ log,
+ metadata,
+ config,
+)
+from charms import layer
+from charms.osm.k8s import get_service_ip
+import urllib.parse
+import yaml
+import traceback
+
+
+@hook("upgrade-charm")
+@when("leadership.is_leader")
+def upgrade():
+ clear_flag("nbi-k8s.configured")
+
+
+@when("config.changed")
+@when("leadership.is_leader")
+def restart():
+ clear_flag("nbi-k8s.configured")
+
+
+@when("config.changed.auth-backend")
+def clear_keystone_ready():
+ clear_flag("keystone.ready")
+
+
+@when_not("kafka.ready")
+@when_not("nbi-k8s.configured")
+def waiting_for_kafka():
+ layer.status.waiting("Waiting for kafka to be ready")
+
+
+@when_not("mongo.ready")
+@when_not("nbi-k8s.configured")
+def waiting_for_mongo():
+ layer.status.waiting("Waiting for mongo to be ready")
+
+
+@when_not("endpoint.prometheus.available")
+@when_not("nbi-k8s.configured")
+def waiting_for_prometheus():
+ layer.status.waiting("Waiting for prometheus to be ready")
+
+
+@when_not("keystone.ready")
+@when_not("nbi-k8s.configured")
+def waiting_for_keystone():
+ auth_backend = config().get("auth-backend")
+ if auth_backend == "keystone":
+ layer.status.waiting("Waiting for Keystone to be ready")
+ else:
+ set_flag("keystone.ready")
+
+
+@when("kafka.ready", "mongo.ready", "endpoint.prometheus.available", "keystone.ready")
+@when_not("nbi-k8s.configured")
+@when("leadership.is_leader")
+def configure():
+ layer.status.maintenance("Configuring nbi container")
+ try:
+ kafka = endpoint_from_flag("kafka.ready")
+ mongo = endpoint_from_flag("mongo.ready")
+ prometheus = endpoint_from_flag("endpoint.prometheus.available")
+
+ if kafka and mongo and prometheus:
+ kafka_units = kafka.kafkas()
+ kafka_unit = kafka_units[0]
+
+ mongo_uri = mongo.connection_string()
+ log("Mongo URI: {}".format(mongo_uri))
+
+ prometheus_uri = prometheus.targets()[0]["targets"][0]
+
+ if (
+ mongo_uri
+ and kafka_unit["host"]
+ and kafka_unit["port"]
+ and prometheus_uri
+ ):
+ spec = yaml.load(
+ make_pod_spec(
+ kafka_unit["host"],
+ kafka_unit["port"],
+ mongo_uri,
+ prometheus_uri,
+ )
+ )
+
+ auth_backend = config().get("auth-backend")
+
+ if auth_backend == "keystone":
+ keystone = endpoint_from_flag("keystone.ready")
+ if keystone:
+ keystone_units = keystone.keystones()
+ keystone_unit = keystone_units[0]
+ if (
+ keystone_unit["host"]
+ and keystone_unit["port"]
+ and keystone_unit["user_domain_name"]
+ and keystone_unit["project_domain_name"]
+ and keystone_unit["username"]
+ and keystone_unit["password"]
+ and keystone_unit["service"]
+ ):
+ auth_keystone = {
+ "OSMNBI_AUTHENTICATION_BACKEND": "keystone",
+ "OSMNBI_AUTHENTICATION_AUTH_URL": keystone_unit["host"],
+ "OSMNBI_AUTHENTICATION_AUTH_PORT": keystone_unit[
+ "port"
+ ],
+ "OSMNBI_AUTHENTICATION_USER_DOMAIN_NAME": keystone_unit[
+ "user_domain_name"
+ ],
+ "OSMNBI_AUTHENTICATION_PROJECT_DOMAIN_NAME": keystone_unit[
+ "project_domain_name"
+ ],
+ "OSMNBI_AUTHENTICATION_SERVICE_USERNAME": keystone_unit[
+ "username"
+ ],
+ "OSMNBI_AUTHENTICATION_SERVICE_PASSWORD": keystone_unit[
+ "password"
+ ],
+ "OSMNBI_AUTHENTICATION_SERVICE_PROJECT": keystone_unit[
+ "service"
+ ],
+ }
+ spec["containers"][0]["config"].update(auth_keystone)
+ elif auth_backend == "internal":
+ spec["containers"][0]["config"][
+ "OSMNBI_AUTHENTICATION_BACKEND"
+ ] = auth_backend
+ else:
+ layer.status.blocked(
+ "Unknown authentication method: {}".format(auth_backend)
+ )
+ raise
+ log("set pod spec:\n{}".format(spec))
+ pod_spec_set(spec)
+ set_flag("nbi-k8s.configured")
+ except Exception as e:
+ layer.status.blocked("k8s spec failed to deploy: {}".format(e))
+ log("Error: {}".format(traceback.format_exc()))
+
+
+@when("nbi-k8s.configured")
+def set_nbi_active():
+ layer.status.active("ready")
+
+
+@when("nbi-k8s.configured", "nbi.joined")
+def send_config():
+ layer.status.maintenance("Sending NBI configuration")
+ try:
+ nbi = endpoint_from_flag("nbi.joined")
+ if nbi:
+ service_ip = get_service_ip("nbi")
+ if service_ip:
+ nbi.send_connection(service_ip, get_nbi_port())
+ clear_flag("nbi.joined")
+ except Exception as e:
+ log("Fail sending NBI configuration: {}".format(e))
+
+
+def make_pod_spec(kafka_host, kafka_port, mongo_uri, prometheus_uri):
+ """Make pod specification for Kubernetes
+
+ Args:
+ kafka_host (str): Kafka hostname or IP
+ kafka_port (int): Kafka port
+ mongo_uri (str): Mongo URI
+ prometheus_uri (str): Prometheus URI
+ Returns:
+ pod_spec: Pod specification for Kubernetes
+ """
+
+ with open("reactive/spec_template.yaml") as spec_file:
+ pod_spec_template = spec_file.read()
+
+ md = metadata()
+ cfg = config()
+ prometheus_host, prometheus_port = parse_hostport(prometheus_uri)
+ data = {
+ "name": md.get("name"),
+ "docker_image": cfg.get("image"),
+ "mongo_uri": mongo_uri,
+ "kafka_host": "{}".format(kafka_host),
+ "kafka_port": "{}".format(kafka_port),
+ "prometheus_host": "{}".format(prometheus_host),
+ "prometheus_port": "{}".format(prometheus_port),
+ }
+ data.update(cfg)
+
+ return pod_spec_template % data
+
+
+def parse_hostport(uri):
+ if "//" in uri:
+ uri = uri.split("//")[1]
+ result = urllib.parse.urlsplit("//" + uri)
+ return result.hostname, result.port
+
+
+def get_nbi_port():
+ """Returns NBI port"""
+ cfg = config()
+ return cfg.get("advertised-port")
projects / osm / devops.git / blobdiff