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debug(checkmk): log raw monitoring response, remove query param, try multiple container keys

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Brückner
2026-06-04 15:22:00 +02:00
parent 7731a1a9af
commit 15c4e3f6ac
1 changed files with 17 additions and 29 deletions
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46
server.ts
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@ -741,50 +741,38 @@ async function startServer() {
}
// Step 2: fetch live monitoring state for all hosts in one call.
// Uses query param to force the collection to return results (some CheckMK versions
// return an empty list without an explicit filter even with full permissions).
let hostnameToState: Map<string, number>;
try {
const monQuery = encodeURIComponent(JSON.stringify({ op: '!=', left: 'name', right: '' }));
const monRes = await fetch(
`${CHECKMK_API_URL}/domain-types/host/collections/all?query=${monQuery}`,
`${CHECKMK_API_URL}/domain-types/host/collections/all`,
{ headers }
);
if (!monRes.ok) throw new Error(checkmkHttpHint(monRes.status));
const monData = await monRes.json();
// Log raw response so we can see the actual structure (first 500 chars).
db.prepare('INSERT INTO logs (id, timestamp, type, message) VALUES (?, ?, ?, ?)')
.run(uid('log'), now, 'system',
`CheckMK monitoring raw response: ${JSON.stringify(monData).substring(0, 500)}`);
hostnameToState = new Map<string, number>();
for (const host of monData?.value ?? []) {
const name: string | undefined = host?.id;
// Try multiple possible container keys used by different CheckMK versions.
const candidates: any[] = Array.isArray(monData?.value)
? monData.value
: Array.isArray(monData?.members)
? monData.members.map((m: any) => m?.value ?? m)
: [];
for (const host of candidates) {
const name: string | undefined = host?.id ?? host?.extensions?.name;
const state: number | undefined = host?.extensions?.state;
if (name !== undefined && state !== undefined) hostnameToState.set(name, state);
}
if (hostnameToState.size === 0 && ipToHostname.size > 0) {
// Monitoring collection empty despite config hosts existing.
// Likely cause: automation user lacks "Use monitoring" permission in CheckMK.
// Falling back: probe one host via /objects/host_config/{name} and log its raw extensions
// so we can identify which field carries the reachability state.
db.prepare('INSERT INTO logs (id, timestamp, type, message) VALUES (?, ?, ?, ?)')
.run(uid('log'), now, 'system',
'CheckMK: monitoring collection returned 0 hosts — automation user has no monitoring view access. ' +
'Fix in CheckMK: Setup → Users → edit automation user → Roles → assign "Administrator" or a role with ' +
'"General Permissions → Use monitoring" and "See all hosts and services" enabled. ' +
'Alternatively: add the automation user to all relevant Contact Groups.');
const firstHostname = [...ipToHostname.values()][0];
try {
const probeRes = await fetch(
`${CHECKMK_API_URL}/objects/host_config/${encodeURIComponent(firstHostname)}`,
{ headers }
);
if (probeRes.ok) {
const probeData = await probeRes.json();
const extJson = JSON.stringify(probeData?.extensions ?? {}).substring(0, 400);
db.prepare('INSERT INTO logs (id, timestamp, type, message) VALUES (?, ?, ?, ?)')
.run(uid('log'), now, 'system',
`CheckMK probe extensions for "${firstHostname}": ${extJson}`);
}
} catch { /* probe is best-effort */ }
`CheckMK: parsed 0 monitoring hosts from response (candidates array length: ${candidates.length}). ` +
'Check the raw response entry above to identify the correct JSON path.');
}
} catch (err: any) {
const msg = `CheckMK sync failed — could not fetch monitoring states: ${err?.message ?? err}`;