Add generic Luigi install logic

at least try to do what we can to reduce boilerplate

rattail_fabric2/deploy/luigi/luigi.cfg.mako

@@ -0,0 +1,36 @@
+## -*- mode: conf; -*-
+
+<%text>############################################################</%text>
+#
+# Luigi config
+#
+# cf. https://luigi.readthedocs.io/en/stable/configuration.html
+#
+<%text>############################################################</%text>
+
+
+# [core]
+
+# # Number of seconds to wait before timing out when making an API call. Defaults
+# # to 10.0
+# # (sometimes things can lag for us and we simply need to give it more time)
+# rpc_connect_timeout = 60
+
+# # The maximum number of retries to connect the central scheduler before giving
+# # up. Defaults to 3
+# # (occasional network issues seem to cause us to need more/longer retries)
+# rpc_retry_attempts = 10
+
+# # Number of seconds to wait before the next attempt will be started to connect
+# # to the central scheduler between two retry attempts. Defaults to 30
+# # (occasional network issues seem to cause us to need more/longer retries)
+# rpc_retry_wait = 60
+
+[scheduler]
+state_path = ${appdir}/luigi/state.pickle
+% if db_connection:
+record_task_history = true
+
+[task_history]
+db_connection = ${db_connection}
+% endif