[DPE-2610] Remove support of Juju 2.9

.github/workflows/ci.yaml

@@ -72,7 +72,8 @@ jobs:
           provider: microk8s
           channel: "1.27-strict/stable"
           bootstrap-constraints: "cores=2 mem=2G"
-          bootstrap-options: "--agent-version 2.9.44"
+          juju-channel: 3.1/stable
+          bootstrap-options: "--agent-version 3.1.5"
       - name: Download packed charm(s)
         uses: actions/download-artifact@v3
         with:

lib/charms/mongodb/v0/mongodb_backups.py

@@ -523,7 +523,7 @@ def _try_to_restore(self, backup_id: str) -> None:
                         restore_cmd = restore_cmd + remapping_args.split(" ")
                     self.charm.run_pbm_command(restore_cmd)
                 except (subprocess.CalledProcessError, ExecError) as e:
-                    if type(e) == subprocess.CalledProcessError:
+                    if type(e) is subprocess.CalledProcessError:
                         error_message = e.output.decode("utf-8")
                     else:
                         error_message = str(e.stderr)
@@ -560,7 +560,7 @@ def _try_to_backup(self):
                     )
                     return backup_id_match.group("backup_id") if backup_id_match else "N/A"
                 except (subprocess.CalledProcessError, ExecError) as e:
-                    if type(e) == subprocess.CalledProcessError:
+                    if type(e) is subprocess.CalledProcessError:
                         error_message = e.output.decode("utf-8")
                     else:
                         error_message = str(e.stderr)
@@ -636,13 +636,13 @@ def _get_backup_restore_operation_result(self, current_pbm_status, previous_pbm_
         to contain the operation type (backup/restore) and the backup id.
         """
         if (
-            type(current_pbm_status) == type(previous_pbm_status)
+            type(current_pbm_status) is type(previous_pbm_status)
             and current_pbm_status.message == previous_pbm_status.message
         ):
             return f"Operation is still in progress: '{current_pbm_status.message}'"
 
         if (
-            type(previous_pbm_status) == MaintenanceStatus
+            type(previous_pbm_status) is MaintenanceStatus
             and "backup id:" in previous_pbm_status.message
         ):
             backup_id = previous_pbm_status.message.split("backup id:")[-1].strip()

pyproject.toml

@@ -45,7 +45,7 @@ lightkube = "^0.13.0"
 pytest = "^7.3.1"
 pytest-mock = "^3.11.1"
 pytest-operator = "^0.27.0"
-juju = "2.9.44.0 || 3.2.0.1"
+juju = "3.2.0.1"
 pytest-operator-cache = {git = "https://github.com/canonical/data-platform-workflows", tag = "v5", subdirectory = "python/pytest_plugins/pytest_operator_cache"}
 
 [build-system]

requirements.txt

@@ -208,25 +208,33 @@ pyrsistent==0.19.3 ; python_full_version >= "3.8.10" and python_full_version < "
     --hash=sha256:f0774bf48631f3a20471dd7c5989657b639fd2d285b861237ea9e82c36a415a9 \
     --hash=sha256:f0e7c4b2f77593871e918be000b96c8107da48444d57005b6a6bc61fb4331b2c
 pyyaml==6.0.1 ; python_full_version >= "3.8.10" and python_full_version < "4.0.0" \
+    --hash=sha256:04ac92ad1925b2cff1db0cfebffb6ffc43457495c9b3c39d3fcae417d7125dc5 \
     --hash=sha256:062582fca9fabdd2c8b54a3ef1c978d786e0f6b3a1510e0ac93ef59e0ddae2bc \
+    --hash=sha256:0d3304d8c0adc42be59c5f8a4d9e3d7379e6955ad754aa9d6ab7a398b59dd1df \
     --hash=sha256:1635fd110e8d85d55237ab316b5b011de701ea0f29d07611174a1b42f1444741 \
     --hash=sha256:184c5108a2aca3c5b3d3bf9395d50893a7ab82a38004c8f61c258d4428e80206 \
     --hash=sha256:18aeb1bf9a78867dc38b259769503436b7c72f7a1f1f4c93ff9a17de54319b27 \
     --hash=sha256:1d4c7e777c441b20e32f52bd377e0c409713e8bb1386e1099c2415f26e479595 \
     --hash=sha256:1e2722cc9fbb45d9b87631ac70924c11d3a401b2d7f410cc0e3bbf249f2dca62 \
     --hash=sha256:1fe35611261b29bd1de0070f0b2f47cb6ff71fa6595c077e42bd0c419fa27b98 \
     --hash=sha256:28c119d996beec18c05208a8bd78cbe4007878c6dd15091efb73a30e90539696 \
+    --hash=sha256:326c013efe8048858a6d312ddd31d56e468118ad4cdeda36c719bf5bb6192290 \
+    --hash=sha256:40df9b996c2b73138957fe23a16a4f0ba614f4c0efce1e9406a184b6d07fa3a9 \
     --hash=sha256:42f8152b8dbc4fe7d96729ec2b99c7097d656dc1213a3229ca5383f973a5ed6d \
+    --hash=sha256:49a183be227561de579b4a36efbb21b3eab9651dd81b1858589f796549873dd6 \
     --hash=sha256:4fb147e7a67ef577a588a0e2c17b6db51dda102c71de36f8549b6816a96e1867 \
     --hash=sha256:50550eb667afee136e9a77d6dc71ae76a44df8b3e51e41b77f6de2932bfe0f47 \
     --hash=sha256:510c9deebc5c0225e8c96813043e62b680ba2f9c50a08d3724c7f28a747d1486 \
     --hash=sha256:5773183b6446b2c99bb77e77595dd486303b4faab2b086e7b17bc6bef28865f6 \
     --hash=sha256:596106435fa6ad000c2991a98fa58eeb8656ef2325d7e158344fb33864ed87e3 \
     --hash=sha256:6965a7bc3cf88e5a1c3bd2e0b5c22f8d677dc88a455344035f03399034eb3007 \
     --hash=sha256:69b023b2b4daa7548bcfbd4aa3da05b3a74b772db9e23b982788168117739938 \
+    --hash=sha256:6c22bec3fbe2524cde73d7ada88f6566758a8f7227bfbf93a408a9d86bcc12a0 \
     --hash=sha256:704219a11b772aea0d8ecd7058d0082713c3562b4e271b849ad7dc4a5c90c13c \
     --hash=sha256:7e07cbde391ba96ab58e532ff4803f79c4129397514e1413a7dc761ccd755735 \
     --hash=sha256:81e0b275a9ecc9c0c0c07b4b90ba548307583c125f54d5b6946cfee6360c733d \
+    --hash=sha256:855fb52b0dc35af121542a76b9a84f8d1cd886ea97c84703eaa6d88e37a2ad28 \
+    --hash=sha256:8d4e9c88387b0f5c7d5f281e55304de64cf7f9c0021a3525bd3b1c542da3b0e4 \
     --hash=sha256:9046c58c4395dff28dd494285c82ba00b546adfc7ef001486fbf0324bc174fba \
     --hash=sha256:9eb6caa9a297fc2c2fb8862bc5370d0303ddba53ba97e71f08023b6cd73d16a8 \
     --hash=sha256:a0cd17c15d3bb3fa06978b4e8958dcdc6e0174ccea823003a106c7d4d7899ac5 \
@@ -241,7 +249,9 @@ pyyaml==6.0.1 ; python_full_version >= "3.8.10" and python_full_version < "4.0.0
     --hash=sha256:bfdf460b1736c775f2ba9f6a92bca30bc2095067b8a9d77876d1fad6cc3b4a43 \
     --hash=sha256:c8098ddcc2a85b61647b2590f825f3db38891662cfc2fc776415143f599bb859 \
     --hash=sha256:d2b04aac4d386b172d5b9692e2d2da8de7bfb6c387fa4f801fbf6fb2e6ba4673 \
+    --hash=sha256:d483d2cdf104e7c9fa60c544d92981f12ad66a457afae824d146093b8c294c54 \
     --hash=sha256:d858aa552c999bc8a8d57426ed01e40bef403cd8ccdd0fc5f6f04a00414cac2a \
+    --hash=sha256:e7d73685e87afe9f3b36c799222440d6cf362062f78be1013661b00c5c6f678b \
     --hash=sha256:f003ed9ad21d6a4713f0a9b5a7a0a79e08dd0f221aff4525a2be4c346ee60aab \
     --hash=sha256:f22ac1c3cac4dbc50079e965eba2c1058622631e526bd9afd45fedd49ba781fa \
     --hash=sha256:faca3bdcf85b2fc05d06ff3fbc1f83e1391b3e724afa3feba7d13eeab355484c \

src/charm.py

@@ -34,7 +34,6 @@
     OperatorUser,
 )
 from charms.prometheus_k8s.v0.prometheus_scrape import MetricsEndpointProvider
-from ops import JujuVersion
 from ops.charm import (
     ActionEvent,
     CharmBase,
@@ -849,14 +848,7 @@ def _juju_secret_get_key(self, scope: Scopes, key: str) -> Optional[str]:
 
     def get_secret(self, scope: Scopes, key: str) -> Optional[str]:
         """Getting a secret."""
-        peer_data = self._peer_data(scope)
-
-        juju_version = JujuVersion.from_environ()
-
-        if juju_version.has_secrets:
-            return self._juju_secret_get_key(scope, key)
-        else:
-            return peer_data.get(key)
+        return self._juju_secret_get_key(scope, key)
 
     def _juju_secret_set(self, scope: Scopes, key: str, value: str) -> str:
         """Helper function setting Juju secret."""
@@ -903,16 +895,7 @@ def set_secret(self, scope: Scopes, key: str, value: Optional[str]) -> Optional[
         if not value:
             return self.remove_secret(scope, key)
 
-        juju_version = JujuVersion.from_environ()
-
-        result = None
-        if juju_version.has_secrets:
-            result = self._juju_secret_set(scope, key, value)
-        else:
-            peer_data = self._peer_data(scope)
-            peer_data.update({key: value})
-
-        return result
+        return self._juju_secret_set(scope, key, value)
 
     def _juju_secret_remove(self, scope: Scopes, key: str) -> None:
         """Remove a Juju 3.x secret."""
@@ -934,12 +917,7 @@ def _juju_secret_remove(self, scope: Scopes, key: str) -> None:
 
     def remove_secret(self, scope, key) -> None:
         """Removing a secret."""
-        juju_version = JujuVersion.from_environ()
-        if juju_version.has_secrets:
-            return self._juju_secret_remove(scope, key)
-
-        peer_data = self._peer_data(scope)
-        del peer_data[key]
+        return self._juju_secret_remove(scope, key)
 
     def restart_mongod_service(self):
         """Restart mongod service."""

tests/integration/test_charm.py

@@ -134,7 +134,6 @@ async def test_only_leader_can_set_while_all_can_read_password_secret(ops_test:
         assert password2 == password
 
 
-@pytest.mark.usefixtures("only_with_juju_secrets")
 async def test_reset_and_get_password_secret_same_as_cli(ops_test: OpsTest) -> None:
     """Test verifies that we can set and retrieve the correct password using Juju 3.x secrets."""
     new_password = str(uuid4())
@@ -159,21 +158,6 @@ async def test_reset_and_get_password_secret_same_as_cli(ops_test: OpsTest) -> N
     assert data[secret_id]["content"]["Data"]["monitor-password"] == password
 
 
-@pytest.mark.usefixtures("only_without_juju_secrets")
-async def test_reset_and_get_password_no_secret(ops_test: OpsTest, mocker) -> None:
-    """Test verifies that we can set and retrieve the correct password using Juju 2.x."""
-    new_password = str(uuid4())
-
-    # Re=setting existing password
-    leader_id = await get_leader_id(ops_test)
-    await set_password(ops_test, unit_id=leader_id, username="monitor", password=new_password)
-
-    # Getting back the pw programmatically
-    password = await get_password(ops_test, unit_id=leader_id, username="monitor")
-    assert password == new_password
-
-
-@pytest.mark.usefixtures("only_with_juju_secrets")
 async def test_empty_password(ops_test: OpsTest) -> None:
     """Test that the password can't be set to an empty string."""
     leader_id = await get_leader_id(ops_test)
@@ -186,7 +170,6 @@ async def test_empty_password(ops_test: OpsTest) -> None:
     assert password1 == password2
 
 
-@pytest.mark.usefixtures("only_with_juju_secrets")
 async def test_no_password_change_on_invalid_password(ops_test: OpsTest) -> None:
     """Test that in general, there is no change when password validation fails."""
     leader_id = await get_leader_id(ops_test)

tests/unit/test_charm.py

@@ -651,7 +651,6 @@ def test_set_reset_existing_password_app(self):
         self.harness.charm.set_secret("app", "monitor-password", "blablabla")
         assert self.harness.charm.get_secret("app", "monitor-password") == "blablabla"
 
-    @pytest.mark.usefixtures("only_with_juju_secrets")
     @parameterized.expand([("app"), ("unit")])
     def test_set_secret_returning_secret_id(self, scope):
         secret_id = self.harness.charm.set_secret("app", "somekey", "bla")