CharmHub and new kafka and zookeeper charms
[osm/devops.git] / installers / charm / pla / src / charm.py
index 3238dde..2663763 100755 (executable)
@@ -26,9 +26,9 @@
 import logging
 from typing import 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.pod import (
     ContainerV3Builder,
@@ -76,12 +76,15 @@ class ConfigModel(ModelValidator):
 
 
 class PlaCharm(CharmedOsmBase):
+
+    on = KafkaEvents()
+
     def __init__(self, *args) -> NoReturn:
         super().__init__(*args, oci_image="image")
 
-        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.mongodb_client = MongoClient(self, "mongodb")
         self.framework.observe(self.on["mongodb"].relation_changed, self.configure_pod)
@@ -90,10 +93,7 @@ class PlaCharm(CharmedOsmBase):
     def _check_missing_dependencies(self, config: ConfigModel):
         missing_relations = []
 
-        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")
@@ -141,8 +141,8 @@ class PlaCharm(CharmedOsmBase):
                 "OSMPLA_GLOBAL_LOG_LEVEL": config.log_level,
                 # Kafka configuration
                 "OSMPLA_MESSAGE_DRIVER": "kafka",
-                "OSMPLA_MESSAGE_HOST": self.kafka_client.host,
-                "OSMPLA_MESSAGE_PORT": self.kafka_client.port,
+                "OSMPLA_MESSAGE_HOST": self.kafka.host,
+                "OSMPLA_MESSAGE_PORT": self.kafka.port,
                 # Database configuration
                 "OSMPLA_DATABASE_DRIVER": "mongo",
             }