chore!: drop support for nrpe

Drop the nrpe relation.

Signed-off-by: Billy Olsen <billy.olsen@canonical.com>

charmcraft.yaml

@@ -19,11 +19,6 @@ requires:
     scope: container
   master:
     interface: lldp
-provides:
-  nrpe-external-master:
-    interface: nrpe-external-master
-    scope: container
-subordinate: true
 
 bases:
   - build-on:

src/charm.py

@@ -47,14 +47,6 @@ def __init__(self, *args):
         self.framework.observe(self.on.install, self.on_upgrade_charm)
         self.framework.observe(self.on.upgrade_charm, self.on_upgrade_charm)
         self.framework.observe(self.on.config_changed, self.on_config_changed)
-        self.framework.observe(
-            self.on.nrpe_external_master_relation_changed,
-            self.on_nrpe_external_master_relation_changed,
-        )
-        self.framework.observe(
-            self.on.nrpe_external_master_relation_joined,
-            self.on_nrpe_external_master_relation_changed,
-        )
 
     def on_upgrade_charm(self, event):
         """Install lldpd package."""
@@ -72,10 +64,6 @@ def on_config_changed(self, event):
         self.unit.status = MaintenanceStatus("Updating configuration")
         self.configure()
 
-    def on_nrpe_external_master_relation_changed(self, event):
-        self.setup_nrpe()
-        # TODO get this working for config-changed, but only if relation exists
-
     def install(self):
         apt.update()
         apt.add_package(PACKAGES)
@@ -153,10 +141,6 @@ def update_short_name(self):
         with open(PATHS["lldpdconf"], "w") as f:
             f.write("configure system hostname {}\n".format(str(shortname)))
 
-    def setup_nrpe(self):
-        ## FIXME use ops-lib-nrpe
-        pass
-
 
 if __name__ == "__main__":
     main(LldpdCharm)