Messaging protocol

Worker registration

graph LR w1(fa:fa-cog Worker 1) --- q_worker_1 subgraph rmq[Rabbit MQ] q_worker_1[fa:fa-list-ul Worker Discovery] end q_worker_1 --> backend(fa:fa-cogs Backend) classDef blue fill:#155799,stroke: none,color: #fff; classDef green fill:#159957,stroke: none,color: #fff; class backend green class w1 green class q_worker_1 blue style rmq fill:#15579930,stroke:#155799,stroke-width:2px,color:#155799

Send Job order to Worker(s)

graph LR backend(fa:fa-cogs Backend) --> |Send message| exchange_1("fa:fa-exchange Submit Job
(topic)") subgraph rmq[Rabbit MQ] exchange_1--- job_type_1["Job Type 1"] --> q_worker_1[fa:fa-list-ul Queue Job Type 1] exchange_1 --- job_type_2["Job Type 2"] -->q_worker_2[fa:fa-list-ul Queue Job Type 2] exchange_1 --- job_type_3["Job Type 3"] --> q_worker_n[fa:fa-list-ul Queue Job Type N] exchange_1 -->|unknown job type| exchange_unknwon("fa:fa-exchange Queue Not Found
(direct)") exchange_unknwon -->|job type n| q_unknown[fa:fa-list-ul Queue Job Type Not Found] end q_worker_1 --- w1(fa:fa-cog Worker 1) q_worker_2 --- w2(fa:fa-cog Worker 2) q_worker_2 --- w3(fa:fa-cog Worker 3) q_worker_n --- wn(fa:fa-cog Worker n) q_unknown --- backend_2(fa:fa-cogs Backend) classDef blue fill:#155799,stroke: none,color: #fff; classDef cyan fill:#168a9c,stroke: none,color: #fff; classDef green fill:#159957,stroke: none,color: #fff; class backend green class backend_2 green class w1 green class w2 green class w3 green class wn green class q_worker_1 blue class q_worker_2 blue class q_worker_n blue class q_completed blue class q_error blue class q_unknown blue class exchange_1 cyan class exchange_2 cyan class exchange_unknwon cyan classDef hidden fill:#fff0,stroke: none,color: #fff;width:0px class job_type_1 hidden class job_type_2 hidden class job_type_3 hidden style rmq fill:#15579930,stroke:#155799,stroke-width:2px,color:#155799

Return Job status from Worker(s) to the Backend

graph LR w1(fa:fa-cog Worker 1) --> exchange("fa:fa-exchange Response Exchange
(topic)") w2(fa:fa-cog Worker 2) --> exchange w3(fa:fa-cog Worker 3) --> exchange wn(fa:fa-cog Worker n) --> exchange subgraph rmq[Rabbit MQ] exchange --> |completed| q_completed[fa:fa-list-ul Queue Completed] exchange --> |progression| q_progression[fa:fa-list-ul Queue Progression] exchange --> |error| q_error[fa:fa-list-ul Queue Error] end q_completed --> |Consume queue Job Completed|backend2(fa:fa-cogs Backend) q_progression --> |Consume queue Job Progression|backend2(fa:fa-cogs Backend) q_error --> |Consume queue Job Error|backend2 classDef blue fill:#155799,stroke: none,color: #fff; classDef cyan fill:#168a9c,stroke: none,color: #fff; classDef green fill:#159957,stroke: none,color: #fff; class backend green class backend2 green class backend3 green class w1 green class w2 green class w3 green class wn green class q_worker_1 blue class q_worker_2 blue class q_worker_n blue class q_completed blue class q_progression blue class q_error blue class exchange cyan style rmq fill:#15579930,stroke:#155799,stroke-width:2px,color:#155799