Merge branch 'v8.0'
[osm/devops.git] / installers / charm / pla / src / charm.py
index f90b407..785766d 100755 (executable)
 #   See the License for the specific language governing permissions and
 #   limitations under the License.
 
-import sys
+from glob import glob
 import logging
-
-sys.path.append("lib")
+from pathlib import Path
+from string import Template
+import sys
 
 from ops.charm import CharmBase
 from ops.framework import StoredState, Object
@@ -27,9 +28,9 @@ from ops.model import (
     WaitingStatus,
 )
 
-from glob import glob
-from pathlib import Path
-from string import Template
+
+sys.path.append("lib")
+
 
 logger = logging.getLogger(__name__)
 
@@ -43,8 +44,6 @@ class PLACharm(CharmBase):
         self.state.set_default(kafka_host=None)
         self.state.set_default(kafka_port=None)
         self.state.set_default(mongodb_uri=None)
-        self.state.set_default(mysql_host=None)
-        self.state.set_default(mysql_port=None)
 
         # Observe Charm related events
         self.framework.observe(self.on.config_changed, self.on_config_changed)
@@ -58,15 +57,12 @@ class PLACharm(CharmBase):
         self.framework.observe(
             self.on.mongo_relation_changed, self.on_mongo_relation_changed
         )
-        self.framework.observe(
-            self.on.mysql_relation_changed, self.on_mysql_relation_changed
-        )
 
     def _apply_spec(self):
         # Only apply the spec if this unit is a leader.
         unit = self.model.unit
         if not unit.is_leader():
-            unit.status = ActiveStatus("Ready")
+            unit.status = ActiveStatus("ready")
             return
         if not self.state.kafka_host or not self.state.kafka_port:
             unit.status = WaitingStatus("Waiting for Kafka")
@@ -74,31 +70,22 @@ class PLACharm(CharmBase):
         if not self.state.mongodb_uri:
             unit.status = WaitingStatus("Waiting for MongoDB")
             return
-        if not self.state.mysql_host or not self.state.mysql_port:
-            unit.status = WaitingStatus("Waiting for MySQL")
-            return
 
         unit.status = MaintenanceStatus("Applying new pod spec")
 
         new_spec = self.make_pod_spec()
         if new_spec == self.state.spec:
-            unit.status = ActiveStatus("Ready")
+            unit.status = ActiveStatus("ready")
             return
         self.framework.model.pod.set_spec(new_spec)
         self.state.spec = new_spec
-        unit.status = ActiveStatus("Ready")
+        unit.status = ActiveStatus("ready")
 
     def make_pod_spec(self):
         config = self.framework.model.config
 
-        mysql_uri = "mysql://root:{}@{}:{}/{}".format(
-            self.state.mysql_root_password,
-            self.state.mysql_host,
-            self.state.mysql_port,
-            self.state.mysql_database,
-        )
         ports = [
-            {"name": "port", "containerPort": config["port"], "protocol": "TCP",},
+            {"name": "port", "containerPort": config["port"], "protocol": "TCP", },
         ]
 
         config_spec = {
@@ -108,7 +95,6 @@ class PLACharm(CharmBase):
             "OSMPLA_DATABASE_DRIVER": "mongo",
             "OSMPLA_DATABASE_URI": self.state.mongodb_uri,
             "OSMPLA_GLOBAL_LOG_LEVEL": config["log_level"],
-            "OSMPLA_SQL_DATABASE_URI": mysql_uri,
             "OSMPLA_DATABASE_COMMONKEY": config["database_common_key"],
         }
 
@@ -138,34 +124,23 @@ class PLACharm(CharmBase):
         """Upgrade the charm."""
         unit = self.model.unit
         unit.status = MaintenanceStatus("Upgrading charm")
-        self.on_start(event)
+        self._apply_spec()
 
     def on_kafka_relation_changed(self, event):
-        unit = self.model.unit
-        if not unit.is_leader():
-            return
-        self.state.kafka_host = event.relation.data[event.unit].get("host")
-        self.state.kafka_port = event.relation.data[event.unit].get("port")
+        kafka_host = event.relation.data[event.unit].get("host")
+        kafka_port = event.relation.data[event.unit].get("port")
+        if kafka_host and self.state.kafka_host != kafka_host:
+            self.state.kafka_host = kafka_host
+        if kafka_port and self.state.kafka_port != kafka_port:
+            self.state.kafka_port = kafka_port
         self._apply_spec()
 
     def on_mongo_relation_changed(self, event):
-        unit = self.model.unit
-        if not unit.is_leader():
-            return
-        self.state.mongodb_uri = event.relation.data[event.unit].get(
+        mongodb_uri = event.relation.data[event.unit].get(
             "connection_string"
         )
-        self._apply_spec()
-
-    def on_mysql_relation_changed(self, event):
-        unit = self.model.unit
-        if not unit.is_leader():
-            return
-        unit_data = event.relation.data[event.unit]
-        self.state.mysql_host = unit_data.get("host")
-        self.state.mysql_port = unit_data.get("port")
-        self.state.mysql_root_password = unit_data.get("root_password")
-        self.state.mysql_database = self.model.config["database"]
+        if mongodb_uri and self.state.mongodb_uri != mongodb_uri:
+            self.state.mongodb_uri = mongodb_uri
         self._apply_spec()