feat(dashboard): a curated default layout, merged duplicate widgets, a labelled Overview (#5213)
- New installs start from widgets.RECOMMENDED, packed row by row for the enabled plugins; the edit drawer can reset a dashboard to it. - Host Agent — Resources folds into Hosts — Overview (which gains load 1m), UniFi — Devices into UniFi — Overview; migration 0032 moves existing dashboards onto the survivors. - The Overview labels what it counts (hosts, monitors up/down/pending, alerts firing) and lists firing alerts and down monitors with since-times. - Uptime polls every 5 minutes (poll_seconds) instead of every cycle. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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Claude Opus 5.5
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{# host_agent widget — fleet glance. One horizontal row per host, zebra-striped
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so adjacent hosts read as distinct groupings: health dot + host name on the
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left, metric cells (cpu/mem/disk/load) each with a trend sparkline laid out
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horizontally on the right. The name wraps (never hard-truncated) but the row
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stays horizontal. #}
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{% if rows %}
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{% macro metric_cell(label, value, fmt, svg, style="", title="") %}
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<div style="min-width:62px;flex:0 0 auto;" title="{{ title }}">
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<div style="font-size:0.62rem;color:var(--text-dim);text-transform:uppercase;letter-spacing:0.03em;">{{ label }}</div>
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<div style="font-weight:500;font-size:0.8rem;font-variant-numeric:tabular-nums;{{ style }}">
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{% if value is not none %}{{ fmt|format(value) }}{% else %}—{% endif %}
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</div>
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<div style="line-height:0;height:16px;">{{ svg | safe }}</div>
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</div>
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{% endmacro %}
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{# Two-line down/up (or read/write) throughput cell. #}
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{% macro io_cell(label, down_sym, down_val, up_sym, up_val, title="") %}
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<div style="min-width:80px;flex:0 0 auto;" title="{{ title }}">
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<div style="font-size:0.62rem;color:var(--text-dim);text-transform:uppercase;letter-spacing:0.03em;">{{ label }}</div>
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<div style="font-size:0.72rem;font-variant-numeric:tabular-nums;line-height:1.3;">
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<div>{{ down_sym }} {{ down_val|rate }}</div>
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<div>{{ up_sym }} {{ up_val|rate }}</div>
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</div>
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</div>
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{% endmacro %}
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<div class="host-fleet">
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{% for r in rows %}
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{% set stale = r.stale %}
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<div style="display:flex;align-items:center;gap:0.6rem 1rem;flex-wrap:wrap;padding:0.5rem 0.6rem;border-radius:4px;{% if loop.index0 % 2 %}background:var(--bg-elevated);{% endif %}">
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{# Left — health dot + full host name (wraps, never truncated) + last seen #}
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<div style="display:flex;align-items:center;gap:0.5rem;flex:1 1 150px;min-width:120px;">
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<span class="dot {% if stale %}dot-dim{% elif (r.cpu_pct or 0) >= 90 or (r.mem_used_pct or 0) >= 90 or (r.disk_worst or 0) >= 90 %}dot-warn{% else %}dot-up{% endif %}"
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style="flex-shrink:0;"
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title="{% if stale %}stale / no recent data{% else %}warns at CPU/memory ≥90% or any disk mount ≥90% (the 'disk /' figure shows root only){% endif %}"></span>
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<span style="min-width:0;">
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{% if session.user_id %}
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<a href="/hosts/{{ r.host.id }}" style="font-weight:500;font-size:0.85rem;overflow-wrap:anywhere;">{{ r.host.name }}</a>
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{% else %}
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<span style="font-weight:500;font-size:0.85rem;overflow-wrap:anywhere;">{{ r.host.name }}</span>
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{% endif %}
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<span style="display:block;font-size:0.7rem;color:var(--text-dim);">
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{% if r.reg.last_seen_at %}seen {{ r.reg.last_seen_at|ago }}{% else %}never seen{% endif %}
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</span>
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</span>
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</div>
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{# Right — metric cells with value + trend, laid out horizontally #}
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<div style="display:flex;flex-wrap:wrap;gap:0.4rem 1rem;justify-content:flex-end;">
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{{ metric_cell("cpu", r.cpu_pct, "%.0f%%", r.sparks.cpu, threshold_style(r.cpu_pct, 'cpu'), "Average CPU utilization") }}
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{{ metric_cell("mem", r.mem_used_pct, "%.0f%%", r.sparks.mem, threshold_style(r.mem_used_pct, 'mem'), "Memory in use") }}
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{{ metric_cell("disk /", r.disk_root, "%.0f%%", r.sparks.disk, threshold_style(r.disk_root, 'disk'), "Root filesystem (/) usage") }}
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{{ metric_cell("load", r.load_1m, "%.2f", r.sparks.load, "", "Load average (1m)") }}
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{# Extra agent metrics — shown only when the host reports them (VMs/containers
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often have no temp sensor, etc.) so absent data doesn't clutter the row. #}
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{% if r.net_rx_bps is not none or r.net_tx_bps is not none %}
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{{ io_cell("net", "↓", r.net_rx_bps, "↑", r.net_tx_bps, "Network throughput (down / up)") }}
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{% endif %}
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{% if r.disk_read_bps is not none or r.disk_write_bps is not none %}
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{{ io_cell("disk i/o", "rd", r.disk_read_bps, "wr", r.disk_write_bps, "Disk I/O (read / write)") }}
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{% endif %}
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{% if r.temp_max is not none %}
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{{ metric_cell("temp", r.temp_max, "%.0f°C", "", threshold_style(r.temp_max, 'temp'), "Hottest sensor") }}
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{% endif %}
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</div>
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</div>
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{% endfor %}
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</div>
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{% else %}
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<p class="empty" style="padding:0.5rem 0;font-size:0.85rem;">No hosts with agent data yet.</p>
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{% endif %}
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