Fix label treatment of related charms (#63)

* Use fqdn instead of topology for instance label
* Add cos-tool to charm
* fetch-lib

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -6,14 +6,14 @@ body:
     attributes:
       value: >
         Thanks for taking the time to fill out this bug report! Before submitting your issue, please make
-        sure you are using the latest version of the charm. If not, please switch to this image prior to 
+        sure you are using the latest version of the charm. If not, please try upgrading to the latest edge release prior to 
         posting your report to make sure it's not already solved.
   - type: textarea
     id: bug-description
     attributes:
       label: Bug Description
       description: >
-        If applicable, add screenshots to help explain your problem. If applicable, add screenshots to 
+        If applicable, add screenshots to 
         help explain the problem you are facing.      
     validations:
       required: true
@@ -22,7 +22,8 @@ body:
     attributes:
       label: To Reproduce
       description: >
-        Please provide a step-by-step instruction of how to reproduce the behavior.
+        Please provide the output of `juju export-bundle` and step-by-step instructions for how to reproduce the behavior.
+        A deployment diagram could be handy too. See https://discourse.charmhub.io/t/9269 for examples.
       placeholder: |
         1. `juju deploy ...`
         2. `juju relate ...`
@@ -55,4 +56,3 @@ body:
     id: additional-context
     attributes:
       label: Additional context
-

.github/pull_request_template.md

@@ -14,5 +14,5 @@
 <!-- What steps need to be taken to test this PR? -->
 
 
-## Release Notes
-<!-- A digestable summary of the change in this PR -->
+## Upgrade Notes
+<!-- To upgrade from an older revision of charmed prometheus, ... -->

.jujuignore

@@ -1,3 +1,6 @@
 /venv
 *.py[cod]
 *.charm
+.wokeignore
+cos-tool*
+

charmcraft.yaml

@@ -49,3 +49,11 @@ parts:
     - pkg-config
     - rustc
     - cargo
+  cos-tool:
+    plugin: dump
+    source: .
+    build-packages:
+      - curl
+    override-pull: |
+      curl -L -O https://github.com/canonical/cos-tool/releases/latest/download/cos-tool-${CRAFT_TARGET_ARCH}
+      chmod +x cos-tool-*

lib/charms/certificate_transfer_interface/v0/certificate_transfer.py

@@ -97,7 +97,7 @@ def _on_certificate_removed(self, event: CertificateRemovedEvent):
 import logging
 from typing import List
 
-from jsonschema import exceptions, validate  # type: ignore[import]
+from jsonschema import exceptions, validate  # type: ignore[import-untyped]
 from ops.charm import CharmBase, CharmEvents, RelationBrokenEvent, RelationChangedEvent
 from ops.framework import EventBase, EventSource, Handle, Object
 
@@ -109,7 +109,7 @@ 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 = 4
+LIBPATCH = 5
 
 PYDEPS = ["jsonschema"]
 

lib/charms/grafana_cloud_integrator/v0/cloud_config_requirer.py

@@ -88,6 +88,7 @@ def _events(self):
 
     @property
     def credentials(self):
+        """Return the credentials, if any; otherwise, return None."""
         if not all(
             self._is_not_empty(x)
             for x in [