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feat: add jsonPath assertions and remove log check system
- Add JsonPathAssertion type with dot-notation path resolver - Support is, isNot, contains, notContains, matches, lessThan, greaterThan operators - Remove log-runner, LogAssertion, logCount, log_prefix, getLogBucket - Remove 'log' from CheckType - Update docs with jsonPath examples Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Lines changed: 59 additions & 28 deletions

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‎docs/integration/agent-setup.md‎

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@@ -8,30 +8,31 @@ Pass these from your worker secrets to the container:
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| Worker Secret | Container Env Var | Purpose |
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|---|---|---|
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| `MONITORING_API_KEY` | `MONITORING_API_KEY` | Shared secret for API auth |
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| `WORKER_URL` | `WORKER_URL` | Public URL of the worker |
12+
| `CF_ACCESS_CLIENT_ID` | `CF_ACCESS_CLIENT_ID` | CF Access service token client ID |
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| `CF_ACCESS_CLIENT_SECRET` | `CF_ACCESS_CLIENT_SECRET` | CF Access service token client secret |
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## Auth Pattern
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16-
All API calls use query param auth: `?secret=${MONITORING_API_KEY}`
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All API calls use CF Access service token headers to bypass Cloudflare Access at the edge:
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```bash
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BASE="${WORKER_URL}/monitoring/api"
20-
SECRET="?secret=${MONITORING_API_KEY}"
21+
AUTH=(-H "CF-Access-Client-Id: ${CF_ACCESS_CLIENT_ID}" -H "CF-Access-Client-Secret: ${CF_ACCESS_CLIENT_SECRET}")
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# List checks
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curl -s "${BASE}/checks${SECRET}" | jq
24+
curl -s "${AUTH[@]}" "${BASE}/checks" | jq
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# Create a check
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curl -s -X POST "${BASE}/checks${SECRET}" \
27+
curl -s "${AUTH[@]}" -X POST "${BASE}/checks" \
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-H 'Content-Type: application/json' \
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-d '{"id":"my-check","name":"My Check","url":"https://example.com"}' | jq
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# Get status
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curl -s "${BASE}/status${SECRET}" | jq
32+
curl -s "${AUTH[@]}" "${BASE}/status" | jq
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# Run a check immediately
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curl -s -X POST "${BASE}/checks/my-check/run${SECRET}" | jq
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curl -s "${AUTH[@]}" -X POST "${BASE}/checks/my-check/run" | jq
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```
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## Available API Endpoints
@@ -40,6 +41,6 @@ See the full [API Reference](/guide/api-reference) for all endpoints.
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## Integration Pattern
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43-
1. Worker exposes `/monitoring/api/*` with dual-auth (your auth middleware + `?secret=` query param)
44-
2. Pass `MONITORING_API_KEY` and `WORKER_URL` to the agent's container
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3. Agent uses `curl` with `?secret=` to manage checks via the API
44+
1. Worker exposes `/monitoring/api/*` with CF Access protecting all routes
45+
2. Pass `CF_ACCESS_CLIENT_ID`, `CF_ACCESS_CLIENT_SECRET`, and `WORKER_URL` to the agent's container
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3. Agent uses `curl` with `CF-Access-Client-Id` and `CF-Access-Client-Secret` headers to manage checks via the API

‎examples/agent-skill.md‎

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@@ -4,38 +4,39 @@ This is a template for an AI agent skill (e.g. [openclaw](https://github.com/tri
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monitoring via the clawdwatch API. Copy and adapt for your agent.
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The key pattern: the agent runs inside a container and calls the worker's
7-
monitoring API using a shared secret passed as an environment variable.
7+
monitoring API using CF Access service token headers to bypass Cloudflare Access.
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## Container Environment
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Pass these from your worker secrets to the container:
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1313
| Worker Secret | Container Env Var | Purpose |
1414
|---|---|---|
15-
| `MONITORING_API_KEY` | `MONITORING_API_KEY` | Shared secret for API auth |
1615
| `WORKER_URL` | `WORKER_URL` | Public URL of the worker |
16+
| `CF_ACCESS_CLIENT_ID` | `CF_ACCESS_CLIENT_ID` | CF Access service token client ID |
17+
| `CF_ACCESS_CLIENT_SECRET` | `CF_ACCESS_CLIENT_SECRET` | CF Access service token client secret |
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1819
## Auth Pattern
1920

20-
All API calls use query param auth: `?secret=${MONITORING_API_KEY}`
21+
All API calls use CF Access service token headers to bypass Cloudflare Access at the edge:
2122

2223
```bash
2324
BASE="${WORKER_URL}/monitoring/api"
24-
SECRET="?secret=${MONITORING_API_KEY}"
25+
AUTH=(-H "CF-Access-Client-Id: ${CF_ACCESS_CLIENT_ID}" -H "CF-Access-Client-Secret: ${CF_ACCESS_CLIENT_SECRET}")
2526

2627
# List checks
27-
curl -s "${BASE}/checks${SECRET}" | jq
28+
curl -s "${AUTH[@]}" "${BASE}/checks" | jq
2829

2930
# Create a check
30-
curl -s -X POST "${BASE}/checks${SECRET}" \
31+
curl -s "${AUTH[@]}" -X POST "${BASE}/checks" \
3132
-H 'Content-Type: application/json' \
3233
-d '{"id":"my-check","name":"My Check","url":"https://example.com"}' | jq
3334

3435
# Get status
35-
curl -s "${BASE}/status${SECRET}" | jq
36+
curl -s "${AUTH[@]}" "${BASE}/status" | jq
3637

3738
# Run a check immediately
38-
curl -s -X POST "${BASE}/checks/my-check/run${SECRET}" | jq
39+
curl -s "${AUTH[@]}" -X POST "${BASE}/checks/my-check/run" | jq
3940
```
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4142
## Available API Endpoints

‎src/engine/db.ts‎

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Original file line numberDiff line numberDiff line change
@@ -22,6 +22,7 @@ export function parseCheckRow(row: CheckRow): CheckConfig {
2222
tags: JSON.parse(row.tags),
2323
group_id: row.group_id,
2424
regions: JSON.parse(row.regions),
25+
interval_mins: row.interval_mins ?? 5,
2526
enabled: row.enabled === 1,
2627
};
2728
}
@@ -47,8 +48,8 @@ export async function loadCheck(db: D1Database, id: string): Promise<CheckConfig
4748
/** Create a new check */
4849
export async function createCheck(db: D1Database, check: Partial<CheckConfig> & { id: string; name: string; url: string }): Promise<void> {
4950
await db.prepare(`
50-
INSERT INTO checks (id, name, type, url, method, headers, body, assertions, retry_count, retry_delay_ms, timeout_ms, failure_threshold, tags, group_id, regions, enabled)
51-
VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
51+
INSERT INTO checks (id, name, type, url, method, headers, body, assertions, retry_count, retry_delay_ms, timeout_ms, failure_threshold, tags, group_id, regions, interval_mins, enabled)
52+
VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
5253
`).bind(
5354
check.id,
5455
check.name,
@@ -65,6 +66,7 @@ export async function createCheck(db: D1Database, check: Partial<CheckConfig> &
6566
JSON.stringify(check.tags ?? []),
6667
check.group_id ?? null,
6768
JSON.stringify(check.regions ?? ['default']),
69+
check.interval_mins ?? 5,
6870
check.enabled === false ? 0 : 1,
6971
).run();
7072
}
@@ -89,6 +91,7 @@ export async function updateCheck(db: D1Database, id: string, updates: Partial<C
8991
tags: (v) => JSON.stringify(v),
9092
group_id: (v) => v,
9193
regions: (v) => JSON.stringify(v),
94+
interval_mins: (v) => v,
9295
enabled: (v) => v ? 1 : 0,
9396
};
9497

‎src/engine/orchestrator.ts‎

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Original file line numberDiff line numberDiff line change
@@ -18,6 +18,7 @@ import { loadState, saveState, createEmptyCheckState } from './state';
1818
import { loadChecks } from './db';
1919
import { isInMaintenance, createIncident, resolveIncidents, loadAlertRules, ensureResultsTable, insertCheckResult, pruneHistory } from './db';
2020
import { runCheck } from './runner';
21+
2122
import { computeTransition } from './alerts';
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2324
interface OrchestratorDefaults {
@@ -35,7 +36,6 @@ export async function runMonitoringChecks<TEnv>(
3536
const db = options.storage.getD1(env);
3637
const bucket = options.storage.getR2(env);
3738
const ae = options.storage.getAnalyticsEngine?.(env);
38-
3939
if (!bucket) {
4040
console.warn('[clawdwatch] R2 bucket not available, skipping checks');
4141
return;
@@ -59,9 +59,18 @@ export async function runMonitoringChecks<TEnv>(
5959
}
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6161
const checkState = state.checks[check.id] ?? createEmptyCheckState();
62-
const resolvedUrl = options.resolveUrl?.(check.url, env) ?? check.url;
62+
63+
// Skip if not enough time has elapsed since last check
64+
if (checkState.lastCheck && check.interval_mins > 5) {
65+
const elapsed = Date.now() - new Date(checkState.lastCheck).getTime();
66+
const intervalMs = check.interval_mins * 60_000;
67+
if (elapsed < intervalMs - 30_000) { // 30s buffer for cron jitter
68+
continue;
69+
}
70+
}
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6472
// Execute check
73+
const resolvedUrl = options.resolveUrl?.(check.url, env) ?? check.url;
6574
// eslint-disable-next-line no-await-in-loop
6675
const result = await runCheck(check, resolvedUrl, defaults.userAgent);
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‎src/engine/runner.ts‎

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Original file line numberDiff line numberDiff line change
@@ -8,7 +8,7 @@
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99
import type { CheckConfig, CheckResult, Assertion } from '../types';
1010

11-
const MAX_BODY_SIZE = 64 * 1024; // 64KB max for body assertions
11+
const MAX_BODY_SIZE = 512 * 1024; // 512KB max for body assertions
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1313
/**
1414
* Run a single check with retry support.
@@ -164,9 +164,22 @@ export function evaluateAssertions(
164164
break;
165165
}
166166
const actual = typeof extracted === 'string' ? extracted : JSON.stringify(extracted);
167-
const failed = evaluateStringAssertion(assertion.operator, actual, assertion.value, false);
168-
if (failed) {
169-
failures.push(`jsonPath "${assertion.path}": ${failed}`);
167+
// Handle numeric comparison operators
168+
if (assertion.operator === 'lessThan' || assertion.operator === 'greaterThan') {
169+
const numActual = Number(actual);
170+
const numExpected = Number(assertion.value);
171+
if (isNaN(numActual) || isNaN(numExpected)) {
172+
failures.push(`jsonPath "${assertion.path}": cannot compare non-numeric values`);
173+
} else if (assertion.operator === 'lessThan' && numActual >= numExpected) {
174+
failures.push(`jsonPath "${assertion.path}": ${numActual} >= ${numExpected}`);
175+
} else if (assertion.operator === 'greaterThan' && numActual <= numExpected) {
176+
failures.push(`jsonPath "${assertion.path}": ${numActual} <= ${numExpected}`);
177+
}
178+
} else {
179+
const failed = evaluateStringAssertion(assertion.operator, actual, assertion.value, false);
180+
if (failed) {
181+
failures.push(`jsonPath "${assertion.path}": ${failed}`);
182+
}
170183
}
171184
break;
172185
}
@@ -208,7 +221,7 @@ function evaluateStringAssertion(
208221
* Resolve a simple JSON path ($.foo.bar, $.items[0].id) against an object.
209222
* Returns undefined for missing paths. No wildcards or recursive descent.
210223
*/
211-
function resolveJsonPath(obj: unknown, path: string): unknown {
224+
export function resolveJsonPath(obj: unknown, path: string): unknown {
212225
if (!path.startsWith('$')) return undefined;
213226
const rest = path.slice(1); // strip leading $
214227
if (rest === '' || rest === '.') return obj;

‎src/index.ts‎

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Original file line numberDiff line numberDiff line change
@@ -80,6 +80,7 @@ export type {
8080
BodyAssertion,
8181
ResponseTimeAssertion,
8282
JsonPathAssertion,
83+
8384
AlertPayload,
8485
AlertType,
8586
CheckResult,

‎src/types.ts‎

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Original file line numberDiff line numberDiff line change
@@ -44,7 +44,7 @@ export interface ResponseTimeAssertion {
4444
export interface JsonPathAssertion {
4545
type: 'jsonPath';
4646
path: string;
47-
operator: 'is' | 'isNot' | 'contains' | 'notContains' | 'matches';
47+
operator: 'is' | 'isNot' | 'contains' | 'notContains' | 'matches' | 'lessThan' | 'greaterThan';
4848
value: string;
4949
}
5050

@@ -73,6 +73,7 @@ export interface CheckConfig {
7373
tags: string[];
7474
group_id: string | null;
7575
regions: string[];
76+
interval_mins: number;
7677
enabled: boolean;
7778
}
7879

@@ -93,6 +94,7 @@ export interface CheckRow {
9394
tags: string;
9495
group_id: string | null;
9596
regions: string;
97+
interval_mins: number;
9698
enabled: number;
9799
created_at: string;
98100
updated_at: string;
@@ -181,6 +183,7 @@ export interface ClawdWatchOptions<TEnv> {
181183
getD1: (env: TEnv) => D1Database;
182184
getR2: (env: TEnv) => R2Bucket;
183185
getAnalyticsEngine?: (env: TEnv) => AnalyticsEngineDataset;
186+
184187
};
185188
defaults?: {
186189
failureThreshold?: number;

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