mackerel-plugin-systemd-state

#!/bin/bash

if [ "$MACKEREL_AGENT_PLUGIN_META" = "1" ]; then
   cat <<EOF
# mackerel-agent-plugin
{
  "graphs": {
    "systemd.running.#": {
      "label": "Systemd Running State",
      "unit": "integer",
      "metrics": [
        {
          "name": "state",
          "label": "state"
        }
      ]
    }
  }
}
EOF
   exit 0
fi

if [ $# -eq 0 ]; then
    echo "Usage: $(basename "$0") UNITNAME ..."
    exit 1
fi

date=$(date +%s)

for name in "$@"; do
    if [ $(systemctl is-active "$name") == "active" ]; then
        status=1
    else
        status=0
    fi
    echo -e "systemd.running.$name.state\t$status\t$date"
done