Move static router timeseries to TOML

oximeter/oximeter/schema/static-routing-config.toml

@@ -0,0 +1,42 @@
+format_version = 1
+
+[target]
+name = "static_routing_config"
+description = "Static routing configuration used by the Oxide routing daemons"
+authz_scope = "fleet"
+versions = [
+    { version = 1, fields = [ "hostname", "rack_id", "sled_id" ] },
+]
+
+[[metrics]]
+name = "static_routes"
+description = "Current number of static routes in the router"
+units = "seconds"
+# TODO: This should not be cumulative, it's the number of _current_ static
+# routes
+datum_type = "cumulative_u64"
+versions = [
+    { added_in = 1, fields = [ ] }
+]
+
+[[metrics]]
+name = "static_nexthops"
+description = "Current number of static next-hops in the router"
+units = "seconds"
+# TODO: This should not be cumulative, it's the number of _current_ next hops
+datum_type = "cumulative_u64"
+versions = [
+    { added_in = 1, fields = [ ] }
+]
+
+[fields.hostname]
+type = "string"
+description = "The hostname of the machine running the router"
+
+[fields.rack_id]
+type = "uuid"
+description = "ID of the rack running the router"
+
+[fields.sled_id]
+type = "uuid"
+description = "ID of the sled running the router"