graph.bash

#!/bin/bash

# usage: ./graph.bash | dot -Tpng >foo.png && open foo.png

function deployments() {
  conduit stat deployments --all-namespaces \
    | awk '{ print $1 "|" $2 }' \
    | tail -n+2
}

function edges() {
  conduit stat deployments --all-namespaces --from deploy/$1 --from-namespace $2 2> /dev/null \
    | awk '{ print $1 "|" $2 "|" $4 }' \
    | tail -n+2
}

function color() {
  if [[ "${1::${#1}-4}" -lt 50 ]]; then
    echo "red"
  elif [[ "${1::${#1}-4}" -lt 100 ]]; then
    echo "yellow"
  else
    echo "green"
  fi
}

echo "digraph {"

OIFS=${IFS}

for dep in $(deployments); do
  IFS="|"
  depDetails=(${dep})
  IFS=${OIFS}
  for edge in $(edges ${depDetails[1]} ${depDetails[0]}); do
    IFS="|"
    edgeDetails=(${edge})
    IFS=${OIFS}
    dest="${edgeDetails[0]}/${edgeDetails[1]}"
    success=${edgeDetails[2]}
    echo "    \"${depDetails[0]}/${depDetails[1]}\" -> \"${dest}\"[color=$(color $success),label=\"${success}\"]"
  done
done

echo "}"