ensure-all-running

#!/bin/bash
#/ Usage ./ensure-all-running
#/ checks that all of tiny's docker services are running.

main() {
  cd "$(dirname "$0")"

  STATUS=$(docker ps -a --format '{{.Names}} {{.Status}}')

  check gnucash-reports \
    ../gnucash_reports script/docker-server --pull
  check pihole \
    ../my-docker-pi-hole docker-compose up -d

  check amplifi-exporter \
    prometheus ./start-amplifi-exporter
  check apt-cacher-ng \
    apt-cacher-ng ./start
  check cadvisor \
    prometheus ./start-cadvisor
  check homeassistant \
    home-assistant ./run
  check influxdb \
    influxdb ./start
  check nethack \
    nethack ./start
  check node-exporter \
    prometheus ./start-node-exporter
  check ptp \
    ptp ./start
  check starlink-exporter \
    starlink ./start
  check upornot \
    up-or-not ./start
  check zerotier \
    zerotier ./start

  # needs influxdb
  check mytagdata \
    mytagdata ./start

  # needs node-exporter, cadvisor, amplifi-exporter, starlink-exporter
  check prometheus \
    prometheus ./start-prometheus

  # needs prometheus
  check grafana \
    prometheus ./start-grafana

  # needs apt-cacher-ng, gnucash-reports, grafana, pihole, ptp, upornot
  check defaultwebserver \
    nginx ./start
}

# Usage: check CONTAINER DIR START_COMMAND...
check() {
  local container="$1"; shift
  local dir="$1"; shift

  local status_line="$(echo "$STATUS" | grep "^$container")"
  echo "** $status_line"
  if [ "$(echo "$status_line" | awk '{print $2}')" != "Up" ]; then
    docker logs --tail 3 "$container" 2>/dev/null
    echo "--------"
    echo starting $container...
    (cd "$dir" && "$@")
  else
    (cd "$dir" 2>/dev/null && test -e "$1") || echo " warning: would not be able to start '$container' in '$dir' with '$@'"
  fi
}

main