#
# Learn more at: https://juju.is/docs/sdk
-"""OSM NBI charm.
+"""OSM MON charm.
See more: https://charmhub.io/osm
"""
import logging
from typing import Any, Dict
+from charms.data_platform_libs.v0.data_interfaces import DatabaseRequires
from charms.kafka_k8s.v0.kafka import KafkaRequires, _KafkaAvailableEvent
from charms.observability_libs.v1.kubernetes_service_patch import KubernetesServicePatch
from charms.osm_libs.v0.utils import (
from ops.main import main
from ops.model import ActiveStatus, Container
-from legacy_interfaces import KeystoneClient, MongoClient, PrometheusClient
+from legacy_interfaces import KeystoneClient, PrometheusClient
HOSTPATHS = [
HostPath(
def __init__(self, *args):
super().__init__(*args)
self.kafka = KafkaRequires(self)
- self.mongodb_client = MongoClient(self, "mongodb")
+ self.mongodb_client = DatabaseRequires(self, "mongodb", database_name="osm")
self.prometheus_client = PrometheusClient(self, "prometheus")
self.keystone_client = KeystoneClient(self, "keystone")
self.vca = VcaRequires(self)
def _on_get_debug_mode_information_action(self, event: ActionEvent) -> None:
"""Handler for the get-debug-mode-information action event."""
if not self.debug_mode.started:
- event.fail(
- "debug-mode has not started. Hint: juju config mon debug-mode=true"
- )
+ event.fail("debug-mode has not started. Hint: juju config mon debug-mode=true")
return
debug_info = {
self.on.vca_data_changed: self._on_config_changed,
self.on.kafka_available: self._on_config_changed,
self.on["kafka"].relation_broken: self._on_required_relation_broken,
+ self.mongodb_client.on.database_created: self._on_config_changed,
+ self.on["mongodb"].relation_broken: self._on_required_relation_broken,
# Action events
self.on.get_debug_mode_information_action: self._on_get_debug_mode_information_action,
}
- for relation in [
- self.on[rel_name] for rel_name in ["mongodb", "prometheus", "keystone"]
- ]:
+ for relation in [self.on[rel_name] for rel_name in ["prometheus", "keystone"]]:
event_handler_mapping[relation.relation_changed] = self._on_config_changed
- event_handler_mapping[
- relation.relation_broken
- ] = self._on_required_relation_broken
+ event_handler_mapping[relation.relation_broken] = self._on_required_relation_broken
for event, handler in event_handler_mapping.items():
self.framework.observe(event, handler)
+ def _is_database_available(self) -> bool:
+ try:
+ return self.mongodb_client.is_resource_created()
+ except KeyError:
+ return False
+
def _validate_config(self) -> None:
"""Validate charm configuration.
if not self.kafka.host or not self.kafka.port:
missing_relations.append("kafka")
- if self.mongodb_client.is_missing_data_in_unit():
+ if not self._is_database_available():
missing_relations.append("mongodb")
if self.prometheus_client.is_missing_data_in_app():
missing_relations.append("prometheus")
if missing_relations:
relations_str = ", ".join(missing_relations)
one_relation_missing = len(missing_relations) == 1
- error_msg = (
- f'need {relations_str} relation{"" if one_relation_missing else "s"}'
- )
+ error_msg = f'need {relations_str} relation{"" if one_relation_missing else "s"}'
logger.warning(error_msg)
raise CharmError(error_msg)
environment = {
# General configuration
"OSMMON_GLOBAL_LOGLEVEL": self.config["log-level"],
- "OSMMON_OPENSTACK_DEFAULT_GRANULARITY": self.config[
- "openstack-default-granularity"
- ],
+ "OSMMON_OPENSTACK_DEFAULT_GRANULARITY": self.config["openstack-default-granularity"],
"OSMMON_GLOBAL_REQUEST_TIMEOUT": self.config["global-request-timeout"],
"OSMMON_COLLECTOR_INTERVAL": self.config["collector-interval"],
"OSMMON_EVALUATOR_INTERVAL": self.config["evaluator-interval"],
"OSMMON_MESSAGE_PORT": self.kafka.port,
# Database configuration
"OSMMON_DATABASE_DRIVER": "mongo",
- "OSMMON_DATABASE_URI": self.mongodb_client.connection_string,
+ "OSMMON_DATABASE_URI": self._get_mongodb_uri(),
"OSMMON_DATABASE_COMMONKEY": self.config["database-commonkey"],
# Prometheus/grafana configuration
"OSMMON_PROMETHEUS_URL": f"http://{self.prometheus_client.hostname}:{self.prometheus_client.port}",
self.service_name: {
"override": "replace",
"summary": "mon service",
- "command": "/bin/bash scripts/start.sh",
+ "command": "/bin/bash -c 'cd /app/osm_mon/ && /bin/bash start.sh'",
"startup": "enabled",
"user": "appuser",
"group": "appuser",
+ "working-dir": "/app/osm_mon", # This parameter has no effect in Juju 2.9.x
"environment": environment,
}
},
}
+ def _get_mongodb_uri(self):
+ return list(self.mongodb_client.fetch_relation_data().values())[0]["uris"]
+
def _patch_k8s_service(self) -> None:
port = ServicePort(SERVICE_PORT, name=f"{self.app.name}")
self.service_patcher = KubernetesServicePatch(self, [port])