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Add metrics history with charts, fix percentage formatting to 2 d.p.

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kqjy
2026-01-16 19:57:23 +08:00
parent a3b9db544c
commit 53297abe1e
4 changed files with 435 additions and 12 deletions
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148
app/ui.py
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@@ -6,6 +6,7 @@ import uuid
import psutil
import shutil
from datetime import datetime, timezone as dt_timezone
from pathlib import Path
from typing import Any
from urllib.parse import quote, urlparse
from zoneinfo import ZoneInfo
@@ -152,6 +153,69 @@ def _format_bytes(num: int) -> str:
return f"{value:.1f} PB"
_metrics_last_save_time: float = 0.0
def _get_metrics_history_path() -> Path:
storage_root = Path(current_app.config["STORAGE_ROOT"])
return storage_root / ".myfsio.sys" / "config" / "metrics_history.json"
def _load_metrics_history() -> dict:
path = _get_metrics_history_path()
if not path.exists():
return {"history": []}
try:
return json.loads(path.read_text(encoding="utf-8"))
except (json.JSONDecodeError, OSError):
return {"history": []}
def _save_metrics_snapshot(cpu_percent: float, memory_percent: float, disk_percent: float, storage_bytes: int) -> None:
global _metrics_last_save_time
if not current_app.config.get("METRICS_HISTORY_ENABLED", False):
return
import time
from datetime import datetime, timezone
interval_minutes = current_app.config.get("METRICS_HISTORY_INTERVAL_MINUTES", 5)
now_ts = time.time()
if now_ts - _metrics_last_save_time < interval_minutes * 60:
return
path = _get_metrics_history_path()
path.parent.mkdir(parents=True, exist_ok=True)
data = _load_metrics_history()
history = data.get("history", [])
retention_hours = current_app.config.get("METRICS_HISTORY_RETENTION_HOURS", 24)
now = datetime.now(timezone.utc)
snapshot = {
"timestamp": now.strftime("%Y-%m-%dT%H:%M:%SZ"),
"cpu_percent": round(cpu_percent, 2),
"memory_percent": round(memory_percent, 2),
"disk_percent": round(disk_percent, 2),
"storage_bytes": storage_bytes,
}
history.append(snapshot)
cutoff = now.timestamp() - (retention_hours * 3600)
history = [
h for h in history
if datetime.fromisoformat(h["timestamp"].replace("Z", "+00:00")).timestamp() > cutoff
]
data["history"] = history
try:
path.write_text(json.dumps(data, indent=2), encoding="utf-8")
_metrics_last_save_time = now_ts
except OSError:
pass
def _friendly_error_message(exc: Exception) -> str:
message = str(exc) or "An unexpected error occurred"
if isinstance(exc, IamError):
@@ -2101,18 +2165,18 @@ def metrics_dashboard():
return render_template(
"metrics.html",
principal=principal,
cpu_percent=cpu_percent,
cpu_percent=round(cpu_percent, 2),
memory={
"total": _format_bytes(memory.total),
"available": _format_bytes(memory.available),
"used": _format_bytes(memory.used),
"percent": memory.percent,
"percent": round(memory.percent, 2),
},
disk={
"total": _format_bytes(disk.total),
"free": _format_bytes(disk.free),
"used": _format_bytes(disk.used),
"percent": disk.percent,
"percent": round(disk.percent, 2),
},
app={
"buckets": total_buckets,
@@ -2122,7 +2186,8 @@ def metrics_dashboard():
"storage_raw": total_bytes_used,
"version": APP_VERSION,
"uptime_days": uptime_days,
}
},
metrics_history_enabled=current_app.config.get("METRICS_HISTORY_ENABLED", False),
)
@@ -2162,19 +2227,21 @@ def metrics_api():
uptime_seconds = time.time() - boot_time
uptime_days = int(uptime_seconds / 86400)
_save_metrics_snapshot(cpu_percent, memory.percent, disk.percent, total_bytes_used)
return jsonify({
"cpu_percent": cpu_percent,
"cpu_percent": round(cpu_percent, 2),
"memory": {
"total": _format_bytes(memory.total),
"available": _format_bytes(memory.available),
"used": _format_bytes(memory.used),
"percent": memory.percent,
"percent": round(memory.percent, 2),
},
"disk": {
"total": _format_bytes(disk.total),
"free": _format_bytes(disk.free),
"used": _format_bytes(disk.used),
"percent": disk.percent,
"percent": round(disk.percent, 2),
},
"app": {
"buckets": total_buckets,
@@ -2187,6 +2254,73 @@ def metrics_api():
})
@ui_bp.route("/metrics/history")
def metrics_history():
principal = _current_principal()
try:
_iam().authorize(principal, None, "iam:list_users")
except IamError:
return jsonify({"error": "Access denied"}), 403
if not current_app.config.get("METRICS_HISTORY_ENABLED", False):
return jsonify({"enabled": False, "history": []})
hours = request.args.get("hours", type=int)
if hours is None:
hours = current_app.config.get("METRICS_HISTORY_RETENTION_HOURS", 24)
data = _load_metrics_history()
history = data.get("history", [])
if hours:
from datetime import datetime, timezone
cutoff = datetime.now(timezone.utc).timestamp() - (hours * 3600)
history = [
h for h in history
if datetime.fromisoformat(h["timestamp"].replace("Z", "+00:00")).timestamp() > cutoff
]
return jsonify({
"enabled": True,
"retention_hours": current_app.config.get("METRICS_HISTORY_RETENTION_HOURS", 24),
"interval_minutes": current_app.config.get("METRICS_HISTORY_INTERVAL_MINUTES", 5),
"history": history,
})
@ui_bp.route("/metrics/settings", methods=["GET", "PUT"])
def metrics_settings():
principal = _current_principal()
try:
_iam().authorize(principal, None, "iam:list_users")
except IamError:
return jsonify({"error": "Access denied"}), 403
if request.method == "GET":
return jsonify({
"enabled": current_app.config.get("METRICS_HISTORY_ENABLED", False),
"retention_hours": current_app.config.get("METRICS_HISTORY_RETENTION_HOURS", 24),
"interval_minutes": current_app.config.get("METRICS_HISTORY_INTERVAL_MINUTES", 5),
})
data = request.get_json() or {}
if "enabled" in data:
current_app.config["METRICS_HISTORY_ENABLED"] = bool(data["enabled"])
if "retention_hours" in data:
current_app.config["METRICS_HISTORY_RETENTION_HOURS"] = max(1, int(data["retention_hours"]))
if "interval_minutes" in data:
current_app.config["METRICS_HISTORY_INTERVAL_MINUTES"] = max(1, int(data["interval_minutes"]))
return jsonify({
"enabled": current_app.config.get("METRICS_HISTORY_ENABLED", False),
"retention_hours": current_app.config.get("METRICS_HISTORY_RETENTION_HOURS", 24),
"interval_minutes": current_app.config.get("METRICS_HISTORY_INTERVAL_MINUTES", 5),
})
@ui_bp.route("/buckets/<bucket_name>/lifecycle", methods=["GET", "POST", "DELETE"])
def bucket_lifecycle(bucket_name: str):
principal = _current_principal()