import logging
from typing import Dict, NoReturn, Optional
+from charms.kafka_k8s.v0.kafka import KafkaEvents, KafkaRequires
from ops.main import main
from opslib.osm.charm import CharmedOsmBase, RelationsMissing
-from opslib.osm.interfaces.kafka import KafkaClient
from opslib.osm.interfaces.mongo import MongoClient
from opslib.osm.interfaces.mysql import MysqlClient
from opslib.osm.pod import (
class RoCharm(CharmedOsmBase):
"""GrafanaCharm Charm."""
+ on = KafkaEvents()
+
def __init__(self, *args) -> NoReturn:
"""Prometheus Charm constructor."""
super().__init__(
**_get_ro_host_paths(self.config.get("debug_ro_local_path")),
},
)
- self.kafka_client = KafkaClient(self, "kafka")
- self.framework.observe(self.on["kafka"].relation_changed, self.configure_pod)
- self.framework.observe(self.on["kafka"].relation_broken, self.configure_pod)
+ self.kafka = KafkaRequires(self)
+ self.framework.observe(self.on.kafka_available, self.configure_pod)
+ self.framework.observe(self.on.kafka_broken, self.configure_pod)
self.mysql_client = MysqlClient(self, "mysql")
self.framework.observe(self.on["mysql"].relation_changed, self.configure_pod)
missing_relations = []
if config.enable_ng_ro:
- if (
- self.kafka_client.is_missing_data_in_unit()
- and self.kafka_client.is_missing_data_in_app()
- ):
+ if not self.kafka.host or not self.kafka.port:
missing_relations.append("kafka")
if not config.mongodb_uri and self.mongodb_client.is_missing_data_in_unit():
missing_relations.append("mongodb")
container_builder.add_envs(
{
"OSMRO_MESSAGE_DRIVER": "kafka",
- "OSMRO_MESSAGE_HOST": self.kafka_client.host,
- "OSMRO_MESSAGE_PORT": self.kafka_client.port,
+ "OSMRO_MESSAGE_HOST": self.kafka.host,
+ "OSMRO_MESSAGE_PORT": self.kafka.port,
# MongoDB configuration
"OSMRO_DATABASE_DRIVER": "mongo",
}