From bf4d76011ac18047f2effd350555eb5fa5f0d9bb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jose=20C=2E=20Mass=C3=B3n?=
 <939888+Abuelodelanada@users.noreply.github.com>
Date: Thu, 19 Sep 2024 10:48:25 -0300
Subject: [PATCH] use loki_push_api v1 (#459)

* use loki_push_api v1

* update libs
---
 lib/charms/tempo_k8s/v2/tracing.py | 13 +++++++++++--
 src/charm.py                       |  2 +-
 2 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/lib/charms/tempo_k8s/v2/tracing.py b/lib/charms/tempo_k8s/v2/tracing.py
index d3a7c943e..81bf1f1f5 100644
--- a/lib/charms/tempo_k8s/v2/tracing.py
+++ b/lib/charms/tempo_k8s/v2/tracing.py
@@ -107,7 +107,7 @@ def __init__(self, *args):
 
 # Increment this PATCH version before using `charmcraft publish-lib` or reset
 # to 0 if you are raising the major API version
-LIBPATCH = 9
+LIBPATCH = 10
 
 PYDEPS = ["pydantic"]
 
@@ -902,7 +902,16 @@ def _get_endpoint(
     def get_endpoint(
         self, protocol: ReceiverProtocol, relation: Optional[Relation] = None
     ) -> Optional[str]:
-        """Receiver endpoint for the given protocol."""
+        """Receiver endpoint for the given protocol.
+
+        It could happen that this function gets called before the provider publishes the endpoints.
+        In such a scenario, if a non-leader unit calls this function, a permission denied exception will be raised due to
+        restricted access. To prevent this, this function needs to be guarded by the `is_ready` check.
+
+        Raises:
+        ProtocolNotRequestedError:
+            If the charm unit is the leader unit and attempts to obtain an endpoint for a protocol it did not request.
+        """
         endpoint = self._get_endpoint(relation or self._relation, protocol=protocol)
         if not endpoint:
             requested_protocols = set()
diff --git a/src/charm.py b/src/charm.py
index 60214e912..5bd114614 100755
--- a/src/charm.py
+++ b/src/charm.py
@@ -31,7 +31,7 @@
 from charms.grafana_k8s.v0.grafana_dashboard import GrafanaDashboardProvider
 from charms.grafana_k8s.v0.grafana_source import GrafanaSourceProvider
 from charms.loki_k8s.v0.charm_logging import log_charm
-from charms.loki_k8s.v0.loki_push_api import (
+from charms.loki_k8s.v1.loki_push_api import (
     LokiPushApiAlertRulesChanged,
     LokiPushApiProvider,
 )