CharmHub and new kafka and zookeeper charms

[osm/devops.git] / installers / charm / kafka-exporter / src / charm.py

diff --git a/installers/charm/kafka-exporter/src/charm.py b/installers/charm/kafka-exporter/src/charm.py
index 2147781..e6b2bf7 100755 (executable)
--- a/installers/charm/kafka-exporter/src/charm.py
+++ b/installers/charm/kafka-exporter/src/charm.py
@@ -28,10 +28,10 @@ from pathlib import Path
 from typing import NoReturn, Optional
 from urllib.parse import urlparse
 
+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.grafana import GrafanaDashboardTarget
-from opslib.osm.interfaces.kafka import KafkaClient
 from opslib.osm.interfaces.prometheus import PrometheusScrapeTarget
 from opslib.osm.pod import (
     ContainerV3Builder,
@@ -52,7 +52,8 @@ class ConfigModel(ModelValidator):
     ingress_class: Optional[str]
     ingress_whitelist_source_range: Optional[str]
     tls_secret_name: Optional[str]
-    image_pull_policy: Optional[str]
+    image_pull_policy: str
+    security_context: bool
 
     @validator("site_url")
     def validate_site_url(cls, v):
@@ -82,13 +83,16 @@ class ConfigModel(ModelValidator):
 
 
 class KafkaExporterCharm(CharmedOsmBase):
+
+    on = KafkaEvents()
+
     def __init__(self, *args) -> NoReturn:
         super().__init__(*args, oci_image="image")
 
         # Provision Kafka relation to exchange information
-        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)
 
         # Register relation to provide a Scraping Target
         self.scrape_target = PrometheusScrapeTarget(self, "prometheus-scrape")
@@ -151,7 +155,7 @@ class KafkaExporterCharm(CharmedOsmBase):
         """
         missing_relations = []
 
-        if self.kafka_client.is_missing_data_in_unit():
+        if not self.kafka.host or not self.kafka.port:
             missing_relations.append("kafka")
 
         if missing_relations:
@@ -173,11 +177,16 @@ class KafkaExporterCharm(CharmedOsmBase):
         self._check_missing_dependencies(config)
 
         # Create Builder for the PodSpec
-        pod_spec_builder = PodSpecV3Builder()
+        pod_spec_builder = PodSpecV3Builder(
+            enable_security_context=config.security_context
+        )
 
         # Build container
         container_builder = ContainerV3Builder(
-            self.app.name, image_info, config.image_pull_policy
+            self.app.name,
+            image_info,
+            config.image_pull_policy,
+            run_as_non_root=config.security_context,
         )
         container_builder.add_port(name=self.app.name, port=PORT)
         container_builder.add_http_readiness_probe(
@@ -199,7 +208,7 @@ class KafkaExporterCharm(CharmedOsmBase):
         container_builder.add_command(
             [
                 "kafka_exporter",
-                f"--kafka.server={self.kafka_client.host}:{self.kafka_client.port}",
+                f"--kafka.server={self.kafka.host}:{self.kafka.port}",
             ]
         )
         container = container_builder.build()
@@ -236,8 +245,6 @@ class KafkaExporterCharm(CharmedOsmBase):
             ingress_resource = ingress_resource_builder.build()
             pod_spec_builder.add_ingress_resource(ingress_resource)
 
-        logger.debug(pod_spec_builder.build())
-
         return pod_spec_builder.build()