chore: Update charm libraries (#273)

Co-authored-by: Ghislain Bourgeois <ghislain.bourgeois@canonical.com>

lib/charms/certificate_transfer_interface/v0/certificate_transfer.py

@@ -101,6 +101,7 @@ def _on_certificate_removed(self, event: CertificateRemovedEvent):
 from typing import List, Mapping
 
 from jsonschema import exceptions, validate  # type: ignore[import-untyped]
+from ops import Relation
 from ops.charm import CharmBase, CharmEvents, RelationBrokenEvent, RelationChangedEvent
 from ops.framework import EventBase, EventSource, Handle, Object
 
@@ -112,7 +113,7 @@ def _on_certificate_removed(self, event: CertificateRemovedEvent):
 
 # Increment this PATCH version before using `charmcraft publish-lib` or reset
 # to 0 if you are raising the major API version
-LIBPATCH = 8
+LIBPATCH = 9
 
 PYDEPS = ["jsonschema"]
 
@@ -391,3 +392,11 @@ def _on_relation_broken(self, event: RelationBrokenEvent) -> None:
             None
         """
         self.on.certificate_removed.emit(relation_id=event.relation.id)
+
+    def is_ready(self, relation: Relation) -> bool:
+        """Check if the relation is ready by checking that it has valid relation data."""
+        relation_data = _load_relation_data(relation.data[relation.app])
+        if not self._relation_data_is_valid(relation_data):
+            logger.warning("Provider relation data did not pass JSON Schema validation: ")
+            return False
+        return True

lib/charms/tls_certificates_interface/v4/tls_certificates.py

@@ -32,7 +32,7 @@
 from cryptography.hazmat.primitives import hashes, serialization
 from cryptography.hazmat.primitives.asymmetric import rsa
 from cryptography.x509.oid import NameOID
-from ops import BoundEvent, CharmBase, CharmEvents, SecretExpiredEvent
+from ops import BoundEvent, CharmBase, CharmEvents, SecretExpiredEvent, SecretRemoveEvent
 from ops.framework import EventBase, EventSource, Handle, Object
 from ops.jujuversion import JujuVersion
 from ops.model import (
@@ -52,7 +52,7 @@
 
 # Increment this PATCH version before using `charmcraft publish-lib` or reset
 # to 0 if you are raising the major API version
-LIBPATCH = 1
+LIBPATCH = 2
 
 PYDEPS = ["cryptography", "pydantic"]
 
@@ -974,6 +974,7 @@ def __init__(
         self.framework.observe(charm.on[relationship_name].relation_created, self._configure)
         self.framework.observe(charm.on[relationship_name].relation_changed, self._configure)
         self.framework.observe(charm.on.secret_expired, self._on_secret_expired)
+        self.framework.observe(charm.on.secret_remove, self._on_secret_remove)
         for event in refresh_events:
             self.framework.observe(event, self._configure)
 
@@ -996,6 +997,10 @@ def _configure(self, _: EventBase):
     def _mode_is_valid(self, mode) -> bool:
         return mode in [Mode.UNIT, Mode.APP]
 
+    def _on_secret_remove(self, event: SecretRemoveEvent) -> None:
+        """Handle Secret Removed Event."""
+        event.secret.remove_revision(event.revision)
+
     def _on_secret_expired(self, event: SecretExpiredEvent) -> None:
         """Handle Secret Expired Event.