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Improve agentless mode messaging for host-level metrics

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Updated the messaging and UI to clarify unavailability of host-level metrics, such as CPU, RAM, and disk space, in agentless mode. Added clear formatting and new functions to handle missing metrics gracefully in the frontend.
This commit is contained in:
Sascha Nesterovic
2026-02-13 10:01:24 +01:00
parent ab9d03be8a
commit ba1559e790
2 changed files with 26 additions and 4 deletions
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26
frontend/src/pages/TargetDetailPage.jsx
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@@ -41,6 +41,19 @@ function formatNumber(value, digits = 2) {
return Number(value).toFixed(digits);
}
function formatHostMetricUnavailable() {
return "N/A (agentless)";
}
function formatDiskSpaceAgentless(diskSpace) {
if (!diskSpace) return formatHostMetricUnavailable();
if (diskSpace.free_bytes !== null && diskSpace.free_bytes !== undefined) {
return formatBytes(diskSpace.free_bytes);
}
if (diskSpace.status === "unavailable") return formatHostMetricUnavailable();
return "-";
}
function MetricsTooltip({ active, payload, label }) {
if (!active || !payload || payload.length === 0) return null;
const row = payload[0]?.payload || {};
@@ -346,6 +359,9 @@ export function TargetDetailPage() {
{uiMode === "dba" && overview && (
<div className="card">
<h3>Database Overview</h3>
<p className="muted" style={{ marginTop: 2 }}>
Agentless mode: host-level CPU, RAM, and free-disk metrics are not available.
</p>
<div className="grid three overview-kv">
<div><span>PostgreSQL Version</span><strong>{overview.instance.server_version || "-"}</strong></div>
<div>
@@ -366,8 +382,8 @@ export function TargetDetailPage() {
<div title="Total WAL directory size (when available)">
<span>WAL Size</span><strong>{formatBytes(overview.storage.wal_directory_size_bytes)}</strong>
</div>
<div title="Optional metric via future Agent/SSH provider">
<span>Free Disk</span><strong>{formatBytes(overview.storage.disk_space.free_bytes)}</strong>
<div title={overview.storage.disk_space?.message || "Agentless mode: host-level free disk is unavailable."}>
<span>Free Disk</span><strong>{formatDiskSpaceAgentless(overview.storage.disk_space)}</strong>
</div>
<div title="Replication replay delay on standby">
<span>Replay Lag</span>
@@ -378,6 +394,12 @@ export function TargetDetailPage() {
<div><span>Replication Slots</span><strong>{overview.replication.replication_slots_count ?? "-"}</strong></div>
<div><span>Repl Clients</span><strong>{overview.replication.active_replication_clients ?? "-"}</strong></div>
<div><span>Autovacuum Workers</span><strong>{overview.performance.autovacuum_workers ?? "-"}</strong></div>
<div title="Host CPU requires OS-level telemetry">
<span>Host CPU</span><strong>{formatHostMetricUnavailable()}</strong>
</div>
<div title="Host RAM requires OS-level telemetry">
<span>Host RAM</span><strong>{formatHostMetricUnavailable()}</strong>
</div>
</div>
<div className="grid two">