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FabledSteward/fablednetmon/hosts/routes.py
T

125 lines
4.5 KiB
Python

from __future__ import annotations
from quart import Blueprint, render_template, request, redirect, url_for, current_app
from sqlalchemy import select, func
from fablednetmon.auth.middleware import require_role
from fablednetmon.models.hosts import Host, ProbeType
from fablednetmon.models.monitors import PingResult, DnsResult
from fablednetmon.models.users import UserRole
hosts_bp = Blueprint("hosts", __name__, url_prefix="/hosts")
@hosts_bp.get("/")
@require_role(UserRole.viewer)
async def list_hosts():
async with current_app.db_sessionmaker() as db:
result = await db.execute(select(Host).order_by(Host.name))
hosts = result.scalars().all()
# Latest ping result per host
latest_ping_subq = (
select(PingResult.host_id, func.max(PingResult.probed_at).label("max_at"))
.group_by(PingResult.host_id)
.subquery()
)
pr = await db.execute(
select(PingResult).join(
latest_ping_subq,
(PingResult.host_id == latest_ping_subq.c.host_id)
& (PingResult.probed_at == latest_ping_subq.c.max_at),
)
)
latest_pings = {r.host_id: r for r in pr.scalars()}
# Latest DNS result per host
latest_dns_subq = (
select(DnsResult.host_id, func.max(DnsResult.resolved_at).label("max_at"))
.group_by(DnsResult.host_id)
.subquery()
)
dr = await db.execute(
select(DnsResult).join(
latest_dns_subq,
(DnsResult.host_id == latest_dns_subq.c.host_id)
& (DnsResult.resolved_at == latest_dns_subq.c.max_at),
)
)
latest_dns = {r.host_id: r for r in dr.scalars()}
return await render_template(
"hosts/list.html",
hosts=hosts,
latest_pings=latest_pings,
latest_dns=latest_dns,
)
@hosts_bp.get("/new")
@require_role(UserRole.operator)
async def new_host():
return await render_template("hosts/form.html", host=None, probe_types=list(ProbeType))
@hosts_bp.post("/")
@require_role(UserRole.operator)
async def create_host():
form = await request.form
host = Host(
name=form["name"].strip(),
address=form["address"].strip(),
probe_type=ProbeType(form.get("probe_type", "tcp")),
probe_port=int(form.get("probe_port") or 80),
ping_enabled="ping_enabled" in form,
dns_enabled="dns_enabled" in form,
dns_expected_ip=form.get("dns_expected_ip", "").strip() or None,
# poll_interval_seconds not exposed in UI yet; per-host scheduling not implemented
)
async with current_app.db_sessionmaker() as db:
async with db.begin():
db.add(host)
return redirect(url_for("hosts.list_hosts"))
@hosts_bp.get("/<host_id>/edit")
@require_role(UserRole.operator)
async def edit_host(host_id: str):
async with current_app.db_sessionmaker() as db:
result = await db.execute(select(Host).where(Host.id == host_id))
host = result.scalar_one_or_none()
if host is None:
return "Not found", 404
return await render_template("hosts/form.html", host=host, probe_types=list(ProbeType))
@hosts_bp.post("/<host_id>")
@require_role(UserRole.operator)
async def update_host(host_id: str):
form = await request.form
async with current_app.db_sessionmaker() as db:
async with db.begin():
result = await db.execute(select(Host).where(Host.id == host_id))
host = result.scalar_one_or_none()
if host is None:
return "Not found", 404
host.name = form["name"].strip()
host.address = form["address"].strip()
host.probe_type = ProbeType(form.get("probe_type", "tcp"))
host.probe_port = int(form.get("probe_port") or 80)
host.ping_enabled = "ping_enabled" in form
host.dns_enabled = "dns_enabled" in form
host.dns_expected_ip = form.get("dns_expected_ip", "").strip() or None
# poll_interval_seconds not exposed in UI yet
return redirect(url_for("hosts.list_hosts"))
@hosts_bp.post("/<host_id>/delete")
@require_role(UserRole.admin)
async def delete_host(host_id: str):
async with current_app.db_sessionmaker() as db:
async with db.begin():
result = await db.execute(select(Host).where(Host.id == host_id))
host = result.scalar_one_or_none()
if host:
await db.delete(host)
return redirect(url_for("hosts.list_hosts"))