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Automatically place servers using learned resource capacity

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josh
2026-10-04 21:04:09 -04:00
parent a1b957392f
commit e6cdf9eb7f
25 changed files with 927 additions and 85 deletions
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src/routes/hosts/[id]/+page.svelte
+11 -2
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@@ -4,13 +4,14 @@
let requestSequence = 0;
import { page } from '$app/stores';
import { goto } from '$app/navigation';
import type { Host, HostOperation, HostMode } from '$lib/hosts.js';
import type { Host, HostOperation, HostMode, CapacityCalibration } from '$lib/hosts.js';
import { hostAgentUpdateLabel, hostAgentUpdateMessage, hostAgentUpdatesEnabled, hostDeletionMessage, hostReadinessLabel } from '$lib/hosts.js';
import SectionHeader from '$ui/components/primitives/SectionHeader.svelte';
import Button from '$ui/components/primitives/Button.svelte';
import DeleteHostDialog from '$ui/components/DeleteHostDialog.svelte';
import HostPreparation from '$ui/components/HostPreparation.svelte';
let host = $state<Host | null>(null); let operations = $state<HostOperation[]>([]);
let calibration = $state<CapacityCalibration | null>(null);
let loading = $state(true); let busy = $state(false); let error = $state(''); let notice = $state('');
let deleteOpen = $state(false);
let name = $state(''); let portMin = $state(28960); let portMax = $state(28980); let bindAddress = $state('0.0.0.0'); let publicAddress = $state(''); let minimumFreeGB = $state(1);
@@ -22,7 +23,7 @@
async function load(initialize = false, signal?: AbortSignal) {
const target = endpoint; const sequence = ++requestSequence;
try {
const response = await fetch(target, { signal: signal ?? AbortSignal.timeout(15000) }); const body = await response.json(); if (signal?.aborted || target !== endpoint || sequence !== requestSequence) return; if (response.status === 404 && host?.decommission) { await goto('/hosts'); return; } if (!response.ok) throw new Error(body.error ?? body.message ?? 'Could not load host.'); host = body.host; operations = body.operations; error = '';
const response = await fetch(target, { signal: signal ?? AbortSignal.timeout(15000) }); const body = await response.json(); if (signal?.aborted || target !== endpoint || sequence !== requestSequence) return; if (response.status === 404 && host?.decommission) { await goto('/hosts'); return; } if (!response.ok) throw new Error(body.error ?? body.message ?? 'Could not load host.'); host = body.host; operations = body.operations; calibration = body.calibration ?? null; error = '';
if (initialize && host) { name = host.name; portMin = host.portMin; portMax = host.portMax; bindAddress = host.bindAddress; publicAddress = host.publicAddress; minimumFreeGB = host.minimumFreeBytes / 1073741824; runtimeImage = body.defaultRuntimeImage ?? runtimeImage; }
} catch (cause) { if (!signal?.aborted && sequence === requestSequence) error = (cause as Error).message; return false; } finally { if (sequence === requestSequence) loading = false; }
}
@@ -55,6 +56,14 @@
<p>Draining prevents new deployments and retires instances as they become safe to remove. Disabled hosts receive no new commands; running game containers continue.</p>
</section>
{#if !cleaning}<section class="panel"><h2>Automatic host setup</h2><HostPreparation {host} /></section>{/if}
{#if calibration}<section class="panel"><h2>Learned server capacity</h2>
<p>Allowances update from observed container usage with 25% headroom. Startup and running usage are tracked separately.</p>
<dl>{#each ['startup', 'running'] as phase}{@const allowance = calibration[phase as keyof CapacityCalibration]}
<dt>{phase === 'startup' ? 'Starting a server' : 'Running a server'}</dt>
<dd>{allowance.cpuCores.toFixed(2)} CPU cores · {bytes(allowance.memoryBytes)} · {allowance.source === 'host' ? 'Learned on this host' : allowance.source === 'fleet' ? 'Learned from the fleet' : 'Calibrating; temporary allowance'} ({allowance.samples} samples)</dd>
{/each}</dl>
{#if calibration.startup.source === 'bootstrap' || calibration.running.source === 'bootstrap'}<p>Learning begins as agent 1.4.3 or later reports running containers. Temporary allowances stay in use until enough measurements are available.</p>{/if}
</section>{/if}
<div class="grid"><section class="panel"><h2>Inventory</h2><dl>
<dt>Hostname</dt><dd>{host.hostname || 'Pending'}</dd><dt>Agent</dt><dd>{host.inventory.agentVersion ?? 'Unknown'}</dd><dt>Platform</dt><dd>{host.inventory.os ?? 'Unknown'} · {host.inventory.architecture ?? 'Unknown'}</dd><dt>CPU</dt><dd>{host.inventory.cpu ?? 'Unknown'} ({host.inventory.cpuCount ?? '?'} cores)</dd><dt>CPU usage</dt><dd title="Average across all cores since the previous inventory sample">{host.inventory.cpuUsagePercent === undefined ? 'Not reported' : `${host.inventory.cpuUsagePercent.toFixed(1)}%`}{#if !host.connected && host.inventory.cpuUsagePercent !== undefined} (last reported){/if}</dd><dt>Memory available / total</dt><dd>{bytes(host.inventory.memoryAvailable)} / {bytes(host.inventory.memoryTotal)}</dd><dt>Game storage available / total</dt><dd>{bytes(host.inventory.storageAvailable)} / {bytes(host.inventory.storageTotal)}</dd><dt>Docker</dt><dd>{host.inventory.dockerVersion ?? 'Unknown'} · {host.inventory.dockerRunning ? 'Running' : 'Unavailable'}</dd><dt>Current operation</dt><dd>{host.inventory.currentOperation ?? 'None reported'}</dd>
</dl></section><section class="panel"><h2>Host configuration</h2>{#if canManage}<form onsubmit={save}><fieldset disabled={busy || cleaning}>