# Architecture

- Manager: Central instance for status and job management
- Worker: Runs mirror jobs

+------------+ +---+                  +---+
| Client API | |   |    Job Status    |   |    +----------+     +----------+ 
+------------+ |   +----------------->|   |--->|  mirror  +---->|  mirror  | 
+------------+ |   |                  | w |    |  config  |     | provider | 
| Worker API | | H |                  | o |    +----------+     +----+-----+ 
+------------+ | T |   Job Control    | r |                          |       
+------------+ | T +----------------->| k |       +------------+     |       
| Job/Status | | P |   Start/Stop/... | e |       | mirror job |<----+       
| Management | | S |                  | r |       +------^-----+             
+------------+ |   |   Update Status  |   |    +---------+---------+         
+------------+ |   <------------------+   |    |     Scheduler     |
|   BoltDB   | |   |                  |   |    +-------------------+
+------------+ +---+                  +---+


# Job Run Process


PreSyncing                           Syncing                               Success
+-----------+     +----------+    +-----------+    +-------------+     +--------------+
|  pre-job  +--+->| pre-exec +--->|  job run  +--->|  post-exec  +-+-->| post-success |
+-----------+  ^  +----------+    +-----------+    +-------------+ |   +--------------+
               |                                                   |
               |                +-----------------+                | Failed
               +----------------+    post-fail    |<---------------+
                                +-----------------+