import logging
-from typing import NoReturn
+import re
+from typing import NoReturn, Optional
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 (
ContainerV3Builder,
PodSpecV3Builder,
)
-
-from opslib.osm.validator import (
- ModelValidator,
- validator,
-)
-
-from opslib.osm.interfaces.kafka import KafkaClient
-from opslib.osm.interfaces.mongo import MongoClient
+from opslib.osm.validator import ModelValidator, validator
logger = logging.getLogger(__name__)
PORT = 9999
+DEFAULT_MYSQL_DATABASE = "pol"
class ConfigModel(ModelValidator):
log_level: str
+ mongodb_uri: Optional[str]
+ mysql_uri: Optional[str]
@validator("log_level")
def validate_log_level(cls, v):
raise ValueError("value must be INFO or DEBUG")
return v
+ @validator("mongoddb_uri")
+ def validate_mongodb_uri(cls, v):
+ if v and not v.startswith("mongodb://"):
+ raise ValueError("mongodb_uri is not properly formed")
+ return v
+
+ @validator("mysql_uri")
+ def validate_mysql_uri(cls, v):
+ pattern = re.compile("^mysql:\/\/.*:.*@.*:\d+\/.*$") # noqa: W605
+ if v and not pattern.search(v):
+ raise ValueError("mysql_uri is not properly formed")
+ return v
+
class PolCharm(CharmedOsmBase):
def __init__(self, *args) -> NoReturn:
self.framework.observe(self.on["mongodb"].relation_changed, self.configure_pod)
self.framework.observe(self.on["mongodb"].relation_broken, self.configure_pod)
+ self.mysql_client = MysqlClient(self, "mysql")
+ self.framework.observe(self.on["mysql"].relation_changed, self.configure_pod)
+ self.framework.observe(self.on["mysql"].relation_broken, self.configure_pod)
+
def _check_missing_dependencies(self, config: ConfigModel):
missing_relations = []
if self.kafka_client.is_missing_data_in_unit():
missing_relations.append("kafka")
- if self.mongodb_client.is_missing_data_in_unit():
+ if not config.mongodb_uri and self.mongodb_client.is_missing_data_in_unit():
missing_relations.append("mongodb")
-
+ if not config.mysql_uri and self.mysql_client.is_missing_data_in_unit():
+ missing_relations.append("mysql")
if missing_relations:
raise RelationsMissing(missing_relations)
def build_pod_spec(self, image_info):
# Validate config
config = ConfigModel(**dict(self.config))
+
+ if config.mongodb_uri and not self.mongodb_client.is_missing_data_in_unit():
+ raise Exception("Mongodb data cannot be provided via config and relation")
+ if config.mysql_uri and not self.mysql_client.is_missing_data_in_unit():
+ raise Exception("Mysql data cannot be provided via config and relation")
+
# Check relations
self._check_missing_dependencies(config)
+
# Create Builder for the PodSpec
pod_spec_builder = PodSpecV3Builder()
+
# Build Container
container_builder = ContainerV3Builder(self.app.name, image_info)
container_builder.add_port(name=self.app.name, port=PORT)
"OSMPOL_MESSAGE_PORT": self.kafka_client.port,
# Database configuration
"OSMPOL_DATABASE_DRIVER": "mongo",
- "OSMPOL_DATABASE_URI": self.mongodb_client.connection_string,
+ "OSMPOL_DATABASE_URI": config.mongodb_uri
+ or self.mongodb_client.connection_string,
+ "OSMPOL_SQL_DATABASE_URI": config.mysql_uri
+ or self.mysql_client.get_root_uri(DEFAULT_MYSQL_DATABASE),
}
)
-
container = container_builder.build()
+
# Add container to pod spec
pod_spec_builder.add_container(container)
+
return pod_spec_builder.build()