A Simplified, High Level DOT Diagram for ALAO 2022 Conference

simplified-alao2022.gv

strict digraph MobileCredentials {
  rankdir=RL
  splines=ortho
  compound=true
  concentrate=false
  label="BW Mobile Credentials"
  node[style="rounded,filled,bold", shape=box, fixedsize=true, width=1.6, fontname="Arial"]
  
  // SubGraphs
  // Note: cluster_ prefix is important
  subgraph cluster_baldwin_wallace {
    label="Baldwin Wallace"
    style=rounded
    bgcolor="#fafafa"
    scheduler1[label="Scheduler"]
    database1[shape=cylinder, label="Ellucian ERP", height=1.5]
    file1[shape=note, label="TSV", URL="https://opal-libraries.org/patron-loads/profiles"]
    database3[shape=cylinder, label="CBORD", height=1.5]
    {
        rank=same;
        scheduler1,database1
    }
  }
  
  subgraph cluster_ohionet {
    label="AWS"
    style=rounded
    bgcolor="#fafafa"
    pickup[label="/bw/pickup", shape=folder]
    dropoff[label="/bw/dropoff", shape=folder]
    cron[label="cron"]
    dataTransformation[label="Data Transformation\nPython", width=2, height=2]
    {
        rank=same;
        cron, pickup
    }
  }
  
  subgraph cluster_sierra {
      label="Sierra"
      style=rounded
      bgcolor=tan
      scheduler2[label="Scheduler"]
      api1[label="API Server"]
      database2[shape=cylinder, label="Database"]
      note5[style=none;shape=plaintext; label="Ingest\nvia Load Table", width=1.5]
      {
          rank=same;
          scheduler2,api1,database2, note5
      }
  }
  
  subgraph cluster_patron {
      label="Library Environment"
      style=rounded
      bgcolor="#fafafa"
      phone1[label="Mobile Code", width=2.5]
      //note6[style=none, shape=plaintext, label="scans", width=1]
  }
  
  // Free-Floating Nodes
  //
  //note2[style=none;shape=plaintext; label="key-based SSH", width=1.5]
  scanner1[label="Emitted Light Scanner", width=2.5]
  scanner2[label="RFID Reader", width=2.5]
  keycard1[label="Physical Building\nLocks", width=2, height=1]
  
  // Dotted Edges | No Arrowhead
  edge[arrowhead=none, style=dotted]
  
  // Dotted Edges
  edge[arrowhead=normal, style=dotted]

  // Thin Edges | No Arrowhead
  edge[arrowhead=none, width=1, style=none, shape=plaintext]
  scheduler2 -> note5
  
  // Blod Edges
  edge[arrowhead=normal, style=bold]
  file1 -> dropoff [label="Key-based SSH", minlen=2]
  
  // Thin Edges
  edge[arrowhead=normal, style=normal]
  dropoff -> dataTransformation
  dataTransformation -> pickup
  pickup -> scheduler2
  note5 -> database2
  database1 -> file1
  
  // Hashed Edges
  edge[arrowhead=normal, style=dashed, color=red]
  api1 -> dataTransformation [dir=both]
  scanner1 -> phone1
  scanner1 -> api1 [lhead=cluster_sierra]
  scanner2 -> api1 [lhead=cluster_sierra]
  
  // Hashed Edges | No Arroehead (control lines)
  edge[arrowhead=none, style=dashed, penwidth=3, color=darkgreen]
  cron -> dataTransformation
  scheduler1 -> database1
}

Testing Graphviz Online Viewer

https://dreampuf.github.io/GraphvizOnline/?url=https://gist.githubusercontent.com/dzoladz/d9d7f8f3bf5021f7e983aa7dbfcd339d/raw/04440035b5c7046adfd4a584050de36723ab590b/simplified-alao2022.gv