[DPE-2636] Move to Mongodb 6/edge

Add support for snap's 6/edge channel as well as migrating from older ```mongo``` CLI to ```mongosh```.

Creates a constant: ```MONGO_SHELL```, that holds the value of the CLI name that is going to be used across the operator.

.github/workflows/release.yaml

@@ -31,11 +31,9 @@ jobs:
         with:
           credentials: "${{ secrets.CHARMHUB_TOKEN }}"
           github-token: "${{ secrets.GITHUB_TOKEN }}"
-      # TODO - wait until track request is approved:
-      # https://discourse.charmhub.io/t/request-track-6-for-charmed-mongodb-operator/11900
-      # - name: Upload charm to charmhub
-      #   uses: canonical/charming-actions/[email protected]
-      #   with:
-      #     credentials: "${{ secrets.CHARMHUB_TOKEN }}"
-      #     github-token: "${{ secrets.GITHUB_TOKEN }}"
-      #     channel: "6/edge"
+      - name: Upload charm to charmhub
+        uses: canonical/charming-actions/[email protected]
+        with:
+          credentials: "${{ secrets.CHARMHUB_TOKEN }}"
+          github-token: "${{ secrets.GITHUB_TOKEN }}"
+          channel: "6/edge"

lib/charms/mongodb/v0/helpers.py

@@ -41,6 +41,7 @@
 MONGODB_COMMON_DIR = "/var/snap/charmed-mongodb/common"
 MONGODB_SNAP_DATA_DIR = "/var/snap/charmed-mongodb/current"
 
+MONGO_SHELL = "charmed-mongodb.mongosh"
 
 DATA_DIR = "/var/lib/mongodb"
 CONF_DIR = "/etc/mongod"
@@ -49,9 +50,7 @@
 
 
 # noinspection GrazieInspection
-def get_create_user_cmd(
-    config: MongoDBConfiguration, mongo_path="charmed-mongodb.mongo"
-) -> List[str]:
+def get_create_user_cmd(config: MongoDBConfiguration, mongo_path=MONGO_SHELL) -> List[str]:
     """Creates initial admin user for MongoDB.
 
     Initial admin user can be created only through localhost connection.

src/config.py

@@ -16,7 +16,7 @@ class Config:
     MONGODB_SNAP_DATA_DIR = "/var/snap/charmed-mongodb/current"
     MONGOD_CONF_DIR = f"{MONGODB_SNAP_DATA_DIR}/etc/mongod"
     MONGOD_CONF_FILE_PATH = f"{MONGOD_CONF_DIR}/mongod.conf"
-    SNAP_PACKAGES = [("charmed-mongodb", "5/edge", 84)]
+    SNAP_PACKAGES = [("charmed-mongodb", "6/edge", 87)]
 
     class Role:
         """Role config names for MongoDB Charm."""

tests/integration/relation_tests/legacy_relations/helpers.py

@@ -136,7 +136,7 @@ async def mongo_tls_command(ops_test: OpsTest) -> str:
     replica_set_uri = f"mongodb://{hosts}/admin?replicaSet={app}"
 
     return (
-        f"charmed-mongodb.mongo '{replica_set_uri}'  --eval 'rs.status()'"
+        f"charmed-mongodb.mongosh '{replica_set_uri}'  --eval 'rs.status()'"
         f" --tls --tlsCAFile {EXTERNAL_CERT_PATH}"
         f" --tlsCertificateKeyFile {EXTERNAL_PEM_PATH}"
     )

tests/integration/test_charm.py

@@ -9,6 +9,7 @@
 from uuid import uuid4
 
 import pytest
+from charms.mongodb.v0.helpers import MONGO_SHELL
 from pymongo import MongoClient
 from pymongo.errors import PyMongoError, ServerSelectionTimeoutError
 from pytest_operator.plugin import OpsTest
@@ -180,7 +181,8 @@ async def test_monitor_user(ops_test: OpsTest) -> None:
     ]
     hosts = ",".join(replica_set_hosts)
     replica_set_uri = f"mongodb://monitor:{password}@{hosts}/admin?replicaSet=mongodb"
-    admin_mongod_cmd = f"charmed-mongodb.mongo '{replica_set_uri}'  --eval 'rs.conf()'"
+
+    admin_mongod_cmd = f"{MONGO_SHELL} '{replica_set_uri}'  --eval 'rs.conf()'"
     check_monitor_cmd = f"exec --unit {unit.name} -- {admin_mongod_cmd}"
     return_code, _, _ = await ops_test.juju(*check_monitor_cmd.split())
     assert return_code == 0, "command rs.conf() on monitor user does not work"

tests/integration/tls_tests/helpers.py

@@ -4,6 +4,7 @@
 from datetime import datetime
 
 import ops
+from charms.mongodb.v0.helpers import MONGO_SHELL
 from pytest_operator.plugin import OpsTest
 from tenacity import RetryError, Retrying, stop_after_attempt, wait_exponential
 
@@ -33,7 +34,7 @@ async def mongo_tls_command(ops_test: OpsTest) -> str:
     replica_set_uri = f"mongodb://operator:" f"{password}@" f"{hosts}/admin?replicaSet={app}"
 
     return (
-        f"charmed-mongodb.mongo '{replica_set_uri}'  --eval 'rs.status()'"
+        f"{MONGO_SHELL} '{replica_set_uri}'  --eval 'rs.status()'"
         f" --tls --tlsCAFile {EXTERNAL_CERT_PATH}"
         f" --tlsCertificateKeyFile {EXTERNAL_PEM_PATH}"
     )