{
  "uid": "nixos-operations",
  "title": "NixOS Operations",
  "tags": ["loki", "nixos", "operations", "homelab"],
  "timezone": "browser",
  "schemaVersion": 39,
  "version": 1,
  "refresh": "1m",
  "time": {
    "from": "now-24h",
    "to": "now"
  },
  "templating": {
    "list": [
      {
        "name": "host",
        "type": "query",
        "datasource": {"type": "loki", "uid": "loki"},
        "query": "label_values(host)",
        "refresh": 2,
        "includeAll": true,
        "multi": true,
        "current": {"text": "All", "value": "$__all"}
      }
    ]
  },
  "panels": [
    {
      "id": 1,
      "title": "Upgrade Log Volume",
      "type": "stat",
      "gridPos": {"h": 4, "w": 6, "x": 0, "y": 0},
      "datasource": {"type": "loki", "uid": "loki"},
      "targets": [
        {
          "expr": "sum(count_over_time({systemd_unit=\"nixos-upgrade.service\", host=~\"$host\"} [$__range]))",
          "refId": "A"
        }
      ],
      "fieldConfig": {
        "defaults": {
          "thresholds": {
            "mode": "absolute",
            "steps": [{"color": "blue", "value": null}]
          },
          "noValue": "0"
        }
      },
      "options": {
        "reduceOptions": {"calcs": ["lastNotNull"]},
        "colorMode": "value",
        "graphMode": "none"
      },
      "description": "Total log entries from nixos-upgrade.service in selected time range"
    },
    {
      "id": 2,
      "title": "Successful Upgrades",
      "type": "stat",
      "gridPos": {"h": 4, "w": 6, "x": 6, "y": 0},
      "datasource": {"type": "loki", "uid": "loki"},
      "targets": [
        {
          "expr": "sum(count_over_time({systemd_unit=\"nixos-upgrade.service\", host=~\"$host\"} |= \"Done. The new configuration is\" [$__range]))",
          "refId": "A"
        }
      ],
      "fieldConfig": {
        "defaults": {
          "thresholds": {
            "mode": "absolute",
            "steps": [{"color": "green", "value": null}]
          },
          "noValue": "0"
        }
      },
      "options": {
        "reduceOptions": {"calcs": ["lastNotNull"]},
        "colorMode": "value",
        "graphMode": "none"
      },
      "description": "Upgrades that completed successfully"
    },
    {
      "id": 3,
      "title": "Upgrade Errors",
      "type": "stat",
      "gridPos": {"h": 4, "w": 6, "x": 12, "y": 0},
      "datasource": {"type": "loki", "uid": "loki"},
      "targets": [
        {
          "expr": "sum(count_over_time({systemd_unit=\"nixos-upgrade.service\", host=~\"$host\"} |~ \"(?i)error|failed\" [$__range]))",
          "refId": "A"
        }
      ],
      "fieldConfig": {
        "defaults": {
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {"color": "green", "value": null},
              {"color": "red", "value": 1}
            ]
          },
          "noValue": "0"
        }
      },
      "options": {
        "reduceOptions": {"calcs": ["lastNotNull"]},
        "colorMode": "value",
        "graphMode": "none"
      },
      "description": "Upgrade log entries containing errors"
    },
    {
      "id": 4,
      "title": "Bootstrap Events",
      "type": "stat",
      "gridPos": {"h": 4, "w": 6, "x": 18, "y": 0},
      "datasource": {"type": "loki", "uid": "loki"},
      "targets": [
        {
          "expr": "sum(count_over_time({job=\"bootstrap\", host=~\"$host\"} [$__range]))",
          "refId": "A"
        }
      ],
      "fieldConfig": {
        "defaults": {
          "thresholds": {
            "mode": "absolute",
            "steps": [{"color": "purple", "value": null}]
          },
          "noValue": "0"
        }
      },
      "options": {
        "reduceOptions": {"calcs": ["lastNotNull"]},
        "colorMode": "value",
        "graphMode": "none"
      },
      "description": "Bootstrap log entries from new VM deployments"
    },
    {
      "id": 5,
      "title": "Upgrade Activity by Host",
      "type": "timeseries",
      "gridPos": {"h": 8, "w": 12, "x": 0, "y": 4},
      "datasource": {"type": "loki", "uid": "loki"},
      "targets": [
        {
          "expr": "sum by (host) (count_over_time({systemd_unit=\"nixos-upgrade.service\", host=~\"$host\"} [5m]))",
          "legendFormat": "{{host}}",
          "refId": "A"
        }
      ],
      "fieldConfig": {
        "defaults": {
          "unit": "short",
          "custom": {
            "lineWidth": 1,
            "fillOpacity": 30,
            "showPoints": "never",
            "stacking": {"mode": "normal"}
          }
        }
      },
      "options": {
        "legend": {"displayMode": "list", "placement": "bottom"},
        "tooltip": {"mode": "multi", "sort": "desc"}
      },
      "description": "When upgrades ran on each host"
    },
    {
      "id": 6,
      "title": "ACME Certificate Activity",
      "type": "timeseries",
      "gridPos": {"h": 8, "w": 12, "x": 12, "y": 4},
      "datasource": {"type": "loki", "uid": "loki"},
      "targets": [
        {
          "expr": "sum by (host) (count_over_time({systemd_unit=~\"acme.*\", host=~\"$host\"} [5m]))",
          "legendFormat": "{{host}}",
          "refId": "A"
        }
      ],
      "fieldConfig": {
        "defaults": {
          "unit": "short",
          "custom": {
            "lineWidth": 1,
            "fillOpacity": 30,
            "showPoints": "never",
            "stacking": {"mode": "normal"}
          }
        }
      },
      "options": {
        "legend": {"displayMode": "list", "placement": "bottom"},
        "tooltip": {"mode": "multi", "sort": "desc"}
      },
      "description": "ACME certificate renewal activity"
    },
    {
      "id": 7,
      "title": "Recent Upgrade Completions",
      "type": "logs",
      "gridPos": {"h": 8, "w": 12, "x": 0, "y": 12},
      "datasource": {"type": "loki", "uid": "loki"},
      "targets": [
        {
          "expr": "{systemd_unit=\"nixos-upgrade.service\", host=~\"$host\"} |= \"Done. The new configuration is\" | json | line_format \"{{.MESSAGE}}\" | keep host",
          "refId": "A"
        }
      ],
      "options": {
        "showTime": true,
        "showLabels": true,
        "showCommonLabels": false,
        "wrapLogMessage": true,
        "prettifyLogMessage": false,
        "enableLogDetails": true,
        "sortOrder": "Descending"
      },
      "description": "Successful upgrade completion messages showing the new system path"
    },
    {
      "id": 8,
      "title": "Build Activity",
      "type": "logs",
      "gridPos": {"h": 8, "w": 12, "x": 12, "y": 12},
      "datasource": {"type": "loki", "uid": "loki"},
      "targets": [
        {
          "expr": "{systemd_unit=\"nixos-upgrade.service\", host=~\"$host\"} |= \"building\" | json | line_format \"{{.MESSAGE}}\" | keep host",
          "refId": "A"
        }
      ],
      "options": {
        "showTime": true,
        "showLabels": true,
        "showCommonLabels": false,
        "wrapLogMessage": true,
        "prettifyLogMessage": false,
        "enableLogDetails": true,
        "sortOrder": "Descending"
      },
      "description": "Derivations being built during upgrades"
    },
    {
      "id": 9,
      "title": "Bootstrap Logs",
      "type": "logs",
      "gridPos": {"h": 8, "w": 24, "x": 0, "y": 20},
      "datasource": {"type": "loki", "uid": "loki"},
      "targets": [
        {
          "expr": "{job=\"bootstrap\", host=~\"$host\"}",
          "refId": "A"
        }
      ],
      "options": {
        "showTime": true,
        "showLabels": true,
        "showCommonLabels": false,
        "wrapLogMessage": true,
        "prettifyLogMessage": false,
        "enableLogDetails": true,
        "sortOrder": "Descending"
      },
      "description": "Logs from VM bootstrap process (new deployments)"
    },
    {
      "id": 10,
      "title": "Upgrade Errors & Failures",
      "type": "logs",
      "gridPos": {"h": 8, "w": 24, "x": 0, "y": 28},
      "datasource": {"type": "loki", "uid": "loki"},
      "targets": [
        {
          "expr": "{systemd_unit=\"nixos-upgrade.service\", host=~\"$host\"} |~ \"(?i)error|failed\" | json | line_format \"{{.MESSAGE}}\" | keep host",
          "refId": "A"
        }
      ],
      "options": {
        "showTime": true,
        "showLabels": true,
        "showCommonLabels": false,
        "wrapLogMessage": true,
        "prettifyLogMessage": false,
        "enableLogDetails": true,
        "sortOrder": "Descending"
      },
      "description": "Errors and failures during NixOS upgrades"
    }
  ]
}