redis-with-prometheus-on-k8s.puml

@startuml
node "Kubernetes Cluster" as cl {
  rectangle Deployment {
    package "prometheus" <<Pod>> {
      () "port:9090" as p9090
      [prometheus] as prom
      p9090 - prom
    }
  }
  rectangle "Service" {
    () "port:9090" as ps9090
    [prometheus] as proms
    ps9090 - proms
  }
  p9090 - proms

  rectangle "Headless Service" {
    () "port:6379" as ps6379
    () "port:9121" as ps9121
    [redis(clusterIP: None)] as hs
    ps6379 -- hs
    hs -up- ps9121
  }
  rectangle StatefulSet {
    package "redos-2(IP:10.0.9.8)" <<Pod>> as r2 {
      () "port:9121" as p2_9121
      () "port:6379" as p2_6379
      [redis(slave1)] as slave1
      [exporter] as exporter2
      p2_9121 -down- exporter2
      p2_6379 -down- slave1
      exporter2 .left.> slave1: メトリクス取得
    }
    package "redis-1(IP:10.0.9.7)" <<Pod>> as r1 {
      () "port:9121" as p1_9121
      () "port:6379" as p1_6379
      [redis(slave0)] as slave0
      [exporter] as exporter1
      p1_9121 -down- exporter1
      p1_6379 -down- slave0
      exporter1 .left.> slave0: メトリクス取得
    }
    package "redis-0(IP:10.0.9.6)" <<Pod>> as r0 {
      () "port:9121" as p0_9121
      () "port:6379" as p0_6379
      [redis(master)] as master
      p0_9121 -down- [exporter]
      p0_6379 -down- master
      exporter .left.> master: メトリクス取得
    }
  } 
}
hs -- p0_9121
hs -- p0_6379
hs -- p1_9121
hs -- p1_6379
hs -- p2_9121
hs -- p2_6379
prom ..> ps9121: メトリクス収集
@enduml

https://glassonion.hatenablog.com/entry/2020/04/21/220351