{
  "name": "C - Nightly ops digest",
  "nodes": [
    {
      "id": "c1",
      "name": "Every night at 07:00",
      "type": "n8n-nodes-base.scheduleTrigger",
      "typeVersion": 1.2,
      "position": [
        -460,
        0
      ],
      "parameters": {
        "rule": {
          "interval": [
            {
              "field": "cronExpression",
              "expression": "0 7 * * *"
            }
          ]
        }
      }
    },
    {
      "id": "60aab8c8",
      "name": "Forgejo repos",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.2,
      "position": [
        -240,
        0
      ],
      "parameters": {
        "method": "GET",
        "url": "http://forgejo:3000/api/v1/repos/search?limit=50",
        "options": {},
        "authentication": "genericCredentialType",
        "genericAuthType": "httpHeaderAuth"
      },
      "credentials": {
        "httpHeaderAuth": {
          "id": "REPLACE_WITH_YOUR_CREDENTIAL_ID",
          "name": "Forgejo API"
        }
      }
    },
    {
      "id": "c3",
      "name": "Repo list",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        -20,
        0
      ],
      "parameters": {
        "jsCode": "\n// One item per repository, so the next node runs once per repo.\nconst list = $json.data ?? [];\nreturn list.map(r => ({ json: { owner: r.owner?.login ?? r.full_name.split('/')[0],\n                                repo: r.name, full: r.full_name } }));\n"
      }
    },
    {
      "id": "567ab14b",
      "name": "Commits per repo",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.2,
      "position": [
        200,
        0
      ],
      "parameters": {
        "method": "GET",
        "url": "=http://forgejo:3000/api/v1/repos/{{ $json.owner }}/{{ $json.repo }}/commits?limit=50&stat=false",
        "options": {
          "response": {
            "response": {
              "responseFormat": "text",
              "outputPropertyName": "data"
            }
          }
        },
        "authentication": "genericCredentialType",
        "genericAuthType": "httpHeaderAuth"
      },
      "credentials": {
        "httpHeaderAuth": {
          "id": "REPLACE_WITH_YOUR_CREDENTIAL_ID",
          "name": "Forgejo API"
        }
      },
      "onError": "continueRegularOutput"
    },
    {
      "id": "4b0e6311",
      "name": "Kuma uptime",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.2,
      "position": [
        420,
        0
      ],
      "parameters": {
        "method": "GET",
        "url": "http://uptime-kuma:3001/api/status-page/heartbeat/status",
        "options": {}
      },
      "executeOnce": true
    },
    {
      "id": "1bb848e9",
      "name": "Kuma monitors",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.2,
      "position": [
        640,
        0
      ],
      "parameters": {
        "method": "GET",
        "url": "http://uptime-kuma:3001/api/status-page/status",
        "options": {}
      },
      "executeOnce": true
    },
    {
      "id": "c7",
      "name": "Read backup log",
      "type": "n8n-nodes-base.readWriteFile",
      "typeVersion": 1,
      "position": [
        860,
        0
      ],
      "executeOnce": true,
      "parameters": {
        "fileSelector": "/backup/backup.log",
        "options": {}
      },
      "onError": "continueRegularOutput"
    },
    {
      "id": "c8",
      "name": "Log to text",
      "type": "n8n-nodes-base.extractFromFile",
      "typeVersion": 1,
      "position": [
        1080,
        0
      ],
      "parameters": {
        "operation": "text",
        "binaryPropertyName": "data",
        "options": {}
      },
      "onError": "continueRegularOutput"
    },
    {
      "id": "c9",
      "name": "Build digest",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        1300,
        0
      ],
      "parameters": {
        "jsCode": "\n// Everything below is read from the three services on this box. Nothing is\n// invented: if a source is missing the digest says so instead of guessing.\nconst repos  = $('Repo list').all().map(i => i.json);\nconst bodies = $('Commits per repo').all().map(i => i.json);\nconst since  = Date.now() - 24 * 60 * 60 * 1000;\n\nlet commitTotal = 0;\nconst perRepo = [];\nbodies.forEach((b, idx) => {\n  let list = [];\n  try { list = JSON.parse(b.data ?? '[]'); } catch (e) { list = []; }\n  if (!Array.isArray(list)) list = [];\n  const recent = list.filter(c => {\n    const d = c.commit?.author?.date ?? c.commit?.committer?.date ?? c.created;\n    return d && new Date(d).getTime() >= since;\n  });\n  commitTotal += recent.length;\n  perRepo.push({\n    repo: repos[idx]?.full ?? ('repo ' + idx),\n    commits: recent.length,\n    last: recent.length ? String(recent[0]?.commit?.message ?? '').split('\\n')[0].slice(0, 80) : '',\n  });\n});\n\n// Uptime Kuma: the public status page carries both the names and the 24h numbers.\nconst hb = $('Kuma uptime').first().json ?? {};\nconst sp = $('Kuma monitors').first().json ?? {};\nconst names = {};\n(sp.publicGroupList ?? []).forEach(g => (g.monitorList ?? []).forEach(m => { names[String(m.id)] = m.name; }));\nconst uptime = Object.entries(hb.uptimeList ?? {}).map(([k, v]) => ({\n  name: names[k.split('_')[0]] ?? ('monitor ' + k.split('_')[0]),\n  pct: Math.round(Number(v) * 10000) / 100,\n}));\nconst worst = uptime.length ? Math.min(...uptime.map(u => u.pct)) : null;\n\n// Episode 7 writes one line per phase into the backup log. Read the last run.\nconst log = String($input.first().json.data ?? '');\nlet snap = null, files = null, size = null, took = null, when = null, beat = false;\nfor (const line of log.split('\\n')) {\n  let m;\n  if ((m = line.match(/^snapshot ([0-9a-f]+) saved/))) snap = m[1];\n  if ((m = line.match(/processed (\\d+) files, ([\\d.]+ [KMG]iB) in/))) { files = m[1]; size = m[2]; }\n  if ((m = line.match(/^(\\S+ \\S+) \\[5\\/5\\] done in (\\d+)s/))) { when = m[1]; took = m[2]; }\n  if (line.includes('heartbeat sent to Uptime Kuma')) beat = true;\n}\nconst backup = snap\n  ? 'snapshot `' + snap + '`, ' + files + ' files, ' + size + ', took ' + took + ' s, finished ' + when + (beat ? ', heartbeat sent' : ', NO heartbeat')\n  : 'no backup log found on this box';\n\nconst today = new Date().toISOString().slice(0, 10);\nconst text = [\n  '## Git',\n  '',\n  commitTotal + ' commit(s) in the last 24 hours across ' + perRepo.length + ' repositories.',\n  '',\n  ...perRepo.map(r => '- ' + r.repo + ': ' + r.commits + (r.last ? ', latest \"' + r.last + '\"' : '')),\n  '',\n  '## Availability (last 24 hours)',\n  '',\n  ...(uptime.length ? uptime.map(u => '- ' + u.name + ': ' + u.pct + ' %')\n                    : ['- no monitors on the public status page']),\n  '',\n  '## Backup',\n  '',\n  '- ' + backup,\n  '',\n  '---',\n  '',\n  'Written by n8n, workflow \"C - Nightly ops digest\". Sources: Forgejo API,',\n  'Uptime Kuma status page API, the nightly restic log from episode 7.',\n].join('\\n');\n\nconst summary = commitTotal + ' commits, ' + (worst === null ? 'no uptime data' : 'uptime ' + worst + ' % worst') + ', backup ' + (snap ? 'ok' : 'MISSING');\n\nreturn [{ json: {\n  commitTotal, perRepo, uptime, worst, backup, summary,\n  payload: { title: 'Ops digest ' + today, text, collectionId: 'REPLACE_WITH_YOUR_OUTLINE_COLLECTION_ID', publish: true },\n}}];\n"
      }
    },
    {
      "id": "b1f2cb7c",
      "name": "Write digest doc",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.2,
      "position": [
        1520,
        0
      ],
      "parameters": {
        "method": "POST",
        "url": "http://outline:3000/api/documents.create",
        "options": {},
        "authentication": "genericCredentialType",
        "genericAuthType": "httpHeaderAuth",
        "sendBody": true,
        "contentType": "json",
        "specifyBody": "json",
        "jsonBody": "={{ JSON.stringify($json.payload) }}"
      },
      "credentials": {
        "httpHeaderAuth": {
          "id": "REPLACE_WITH_YOUR_CREDENTIAL_ID",
          "name": "Outline API"
        }
      }
    },
    {
      "id": "fc737f63",
      "name": "Push digest",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.2,
      "position": [
        1740,
        0
      ],
      "parameters": {
        "method": "POST",
        "url": "http://ntfy/deploys",
        "options": {},
        "authentication": "genericCredentialType",
        "genericAuthType": "httpBasicAuth",
        "sendHeaders": true,
        "headerParameters": {
          "parameters": [
            {
              "name": "X-Title",
              "value": "Nightly ops digest"
            },
            {
              "name": "X-Priority",
              "value": "2"
            },
            {
              "name": "X-Click",
              "value": "=https://wiki.ops.example.com{{ $json.data.url }}"
            }
          ]
        },
        "sendBody": true,
        "contentType": "raw",
        "rawContentType": "text/plain",
        "body": "={{ $('Build digest').first().json.summary }}"
      },
      "credentials": {
        "httpBasicAuth": {
          "id": "REPLACE_WITH_YOUR_CREDENTIAL_ID",
          "name": "ntfy (n8n user)"
        }
      }
    }
  ],
  "connections": {
    "Every night at 07:00": {
      "main": [
        [
          {
            "node": "Forgejo repos",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Forgejo repos": {
      "main": [
        [
          {
            "node": "Repo list",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Repo list": {
      "main": [
        [
          {
            "node": "Commits per repo",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Commits per repo": {
      "main": [
        [
          {
            "node": "Kuma uptime",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Kuma uptime": {
      "main": [
        [
          {
            "node": "Kuma monitors",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Kuma monitors": {
      "main": [
        [
          {
            "node": "Read backup log",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Read backup log": {
      "main": [
        [
          {
            "node": "Log to text",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Log to text": {
      "main": [
        [
          {
            "node": "Build digest",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Build digest": {
      "main": [
        [
          {
            "node": "Write digest doc",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Write digest doc": {
      "main": [
        [
          {
            "node": "Push digest",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "settings": {
    "executionOrder": "v1"
  },
  "active": false
}