+++ /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")
-@when("leadership.is_leader")
-def waiting_for_kafka():
- layer.status.waiting("Waiting for kafka to be ready")
-
-
-@when_not("mongo.ready")
-@when_not("nbi-k8s.configured")
-@when("leadership.is_leader")
-def waiting_for_mongo():
- layer.status.waiting("Waiting for mongo to be ready")
-
-
-@when_not("endpoint.prometheus.available")
-@when_not("nbi-k8s.configured")
-@when("leadership.is_leader")
-def waiting_for_prometheus():
- layer.status.waiting("Waiting for prometheus to be ready")
-
-
-@when_not("keystone.ready")
-@when("leadership.is_leader")
-@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_not("keystone.ready")
-@when("leadership.is_leader")
-@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("kafka.ready", "mongo.ready", "endpoint.prometheus.available")
-@when_not("leadership.is_leader")
-def non_leaders_active():
- layer.status.active("ready")
-
-
-@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"),
- "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