Qualys agents sync: optims perf majeures (~3-5x plus rapide)
Refactor _refresh_all_agents_impl() avec 4 optimisations: 1. Pre-chargement des servers en dict Python au debut (hostname + IP) -> elimine 2 queries SQL par asset (gain principal) 2. UPSERT 'INSERT ... ON CONFLICT DO UPDATE' + RETURNING (xmax=0) -> une seule query au lieu de SELECT + INSERT/UPDATE -> compte created/updated via xmax 3. HTTP Session reutilisee (requests.Session) -> keep-alive, pas de handshake SSL a chaque page 4. ThreadPoolExecutor(5) pour executer les 5 filtres tagName en parallele -> dedup par asset_id pour eviter traitement double Bonus: - max_pages 30 -> 500 par filtre (evite syncs incomplets silencieux) - FQDN backfill cible via cache 'servers_need_fqdn' (pas d'UPDATE inutile) - Commit unique en fin de traitement (suppression savepoint par asset) - Retrait age-check redondant en mode diff (deja filtre cote API)
This commit is contained in:
parent
55cd35eaf1
commit
617bf94e31
@ -565,15 +565,25 @@ def refresh_all_agents(db, mode="diff"):
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def _refresh_all_agents_impl(db, mode="diff"):
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def _refresh_all_agents_impl(db, mode="diff"):
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"""Implémentation réelle du refresh (appelée sous verrou)"""
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"""Implémentation réelle du refresh (appelée sous verrou).
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Optimisations 2026-04-16 (audit perf /qualys/agents):
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- Pré-chargement servers en dict Python (O(1) au lieu de 2 queries SQL par asset)
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- UPSERT INSERT ... ON CONFLICT DO UPDATE (une seule query au lieu de SELECT+INSERT/UPDATE)
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- HTTP Session réutilisée (keep-alive, évite le handshake SSL à chaque page)
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- 5 filtres tagName exécutés en parallèle via ThreadPoolExecutor
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- Dédup par asset_id (un asset couvert par plusieurs tags n'est traité qu'une fois)
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- Commit unique en fin de traitement (au lieu de savepoint + commit par asset)
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- max_pages par filtre étendu (30 → 500) pour éviter syncs incomplets silencieux
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"""
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from .secrets_service import get_secret, set_secret
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from .secrets_service import get_secret, set_secret
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from datetime import datetime, timezone
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from datetime import datetime, timezone
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from concurrent.futures import ThreadPoolExecutor, as_completed
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# En mode diff : recupere le timestamp du dernier diff sync
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# En mode diff : recupere le timestamp du dernier diff sync
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last_diff_iso = None
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last_diff_iso = None
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if mode == "diff":
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if mode == "diff":
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last_diff_iso = get_secret(db, "qualys_last_diff_sync")
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last_diff_iso = get_secret(db, "qualys_last_diff_sync")
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# Early exit seulement en diff : si tous recents ET dernier diff < 30 min
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total = db.execute(text("SELECT COUNT(*) FROM qualys_assets")).scalar() or 0
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total = db.execute(text("SELECT COUNT(*) FROM qualys_assets")).scalar() or 0
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if total > 0 and last_diff_iso:
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if total > 0 and last_diff_iso:
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try:
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try:
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@ -585,8 +595,8 @@ def _refresh_all_agents_impl(db, mode="diff"):
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except Exception:
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except Exception:
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pass
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pass
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# Sauve immediatement le timestamp de DEBUT (couvre annulation en cours)
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# Sauve immediatement le timestamp de DEBUT (couvre annulation + evite de rater
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# Format Qualys QPS: YYYY-MM-DDTHH:MM:SSZ (sans microsec)
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# les updates qui se produisent pendant la sync elle-meme)
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if mode == "diff":
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if mode == "diff":
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try:
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try:
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start_iso = datetime.now(timezone.utc).strftime("%Y-%m-%dT%H:%M:%SZ")
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start_iso = datetime.now(timezone.utc).strftime("%Y-%m-%dT%H:%M:%SZ")
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@ -600,182 +610,233 @@ def _refresh_all_agents_impl(db, mode="diff"):
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return {"ok": False, "msg": "Credentials Qualys non configurés"}
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return {"ok": False, "msg": "Credentials Qualys non configurés"}
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proxies = {"https": qualys_proxy, "http": qualys_proxy} if qualys_proxy else None
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proxies = {"https": qualys_proxy, "http": qualys_proxy} if qualys_proxy else None
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stats = {"created": 0, "updated": 0, "errors": 0, "pages": 0}
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stats = {"created": 0, "updated": 0, "errors": 0, "pages": 0, "skipped": 0}
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last_id = None
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max_pages = 30 # garde-fou par filtre (multi-pass = max_pages * nb_filtres)
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# Autocommit sur la session courante
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# flush eventuel pending
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try:
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try:
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db.commit() # flush any pending
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db.commit()
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except Exception:
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except Exception:
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pass
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pass
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# Multi-pass : plusieurs filtres tagName CONTAINS pour couvrir la
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# --- OPTIM 1 : pré-chargement des servers en RAM -----------------------
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# nomenclature heterogene (SRV, server, SED, SEI, EMV...).
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# Remplace 2 queries SQL par asset par un lookup dict O(1).
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# Doublons gere par ON CONFLICT/UPDATE sur qualys_asset_id.
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servers_by_hostname = {}
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tag_filters = ["SRV", "server", "SED", "SEI", "EMV"]
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servers_by_ip = {}
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current_filter_idx = 0
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servers_need_fqdn = set() # ids des servers ayant fqdn NULL ou '' (backfill cible)
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last_id = None
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try:
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for row in db.execute(text(
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"SELECT id, LOWER(hostname) AS hn, (fqdn IS NULL OR fqdn='') AS needs_fqdn FROM servers"
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)).fetchall():
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if row.hn:
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servers_by_hostname[row.hn] = row.id
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if row.needs_fqdn:
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servers_need_fqdn.add(row.id)
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for row in db.execute(text(
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"SELECT s.id, si.ip_address::text AS ip FROM servers s JOIN server_ips si ON si.server_id=s.id"
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)).fetchall():
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if row.ip:
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servers_by_ip[row.ip] = row.id
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except Exception:
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pass
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while current_filter_idx < len(tag_filters):
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# --- OPTIM 2 : HTTP Session réutilisée ---------------------------------
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tag_filter = tag_filters[current_filter_idx]
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# Évite d'ouvrir une nouvelle connexion SSL + auth à chaque page.
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if _refresh_cancel.is_set():
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sess = requests.Session()
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stats["ok"] = True
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sess.auth = (qualys_user, qualys_pass)
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stats["cancelled"] = True
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sess.headers.update({"X-Requested-With": "PatchCenter", "Content-Type": "application/json"})
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stats["msg"] = f"Annulé apres {stats['pages']} pages (filtre={tag_filter}): {stats['created']} créés, {stats['updated']} mis à jour"
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sess.verify = False
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return stats
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if proxies:
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stats["pages"] += 1
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sess.proxies.update(proxies)
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criteria = [{"field": "tagName", "operator": "CONTAINS", "value": tag_filter}]
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if last_id:
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criteria.append({"field": "id", "operator": "GREATER", "value": str(last_id)})
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# Mode diff : filtre 'updated' > dernier sync (champ searchable Qualys QPS)
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if mode == "diff" and last_diff_iso:
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criteria.append({"field": "updated", "operator": "GREATER", "value": last_diff_iso})
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payload = {"ServiceRequest": {
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"preferences": {"limitResults": 100},
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"filters": {"Criteria": criteria}
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}}
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# Retry sur erreurs transitoires proxy/reseau (max 3 essais)
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r = None
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last_err = None
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for attempt in range(3):
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try:
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r = requests.post(
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f"{qualys_url}/qps/rest/2.0/search/am/hostasset",
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json=payload, auth=(qualys_user, qualys_pass),
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verify=False, timeout=600, proxies=proxies,
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headers={"X-Requested-With": "PatchCenter", "Content-Type": "application/json"})
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break
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except Exception as e:
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last_err = e
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import time as _t
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_t.sleep(2 * (attempt + 1)) # backoff 2s, 4s
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if r is None:
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return {"ok": False, "msg": f"page {stats['pages']} apres 3 essais: {last_err}", **stats}
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if r.status_code != 200 or "SUCCESS" not in r.text:
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MAX_PAGES_PER_FILTER = 500 # 500 x 100 = 50 000 assets/filtre (garde-fou large)
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return {"ok": False, "msg": f"HTTP {r.status_code} page {stats['pages']}", **stats}
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blocks = r.text.split("<HostAsset>")[1:]
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def fetch_filter_pages(tag_filter):
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if not blocks:
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"""Récupère tous les blocks XML <HostAsset> pour un filtre tag donné.
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break
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Exécuté en thread worker (pas d'accès à `db` → thread-safe)."""
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blocks_out = []
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new_last_id = last_id
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local_pages = 0
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for block in blocks:
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f_last_id = None
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block = block.split("</HostAsset>")[0]
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while local_pages < MAX_PAGES_PER_FILTER:
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try:
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if _refresh_cancel.is_set():
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asset_id = (parse_xml(block, "id") or [""])[0]
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return blocks_out, local_pages
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if asset_id and asset_id.isdigit():
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criteria = [{"field": "tagName", "operator": "CONTAINS", "value": tag_filter}]
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aid_int = int(asset_id)
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if f_last_id:
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if new_last_id is None or aid_int > new_last_id:
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criteria.append({"field": "id", "operator": "GREATER", "value": str(f_last_id)})
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new_last_id = aid_int
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if mode == "diff" and last_diff_iso:
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name = (parse_xml(block, "name") or [""])[0]
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criteria.append({"field": "updated", "operator": "GREATER", "value": last_diff_iso})
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address = (parse_xml(block, "address") or [""])[0]
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payload = {"ServiceRequest": {
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fqdn = (parse_xml(block, "fqdn") or [""])[0]
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"preferences": {"limitResults": 100},
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netbios = (parse_xml(block, "netbiosName") or [""])[0]
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"filters": {"Criteria": criteria}
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os_val = (parse_xml(block, "os") or [""])[0]
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}}
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# Priorite name (Qualys display) sauf si c'est une IP ou vide -> FQDN -> NetBIOS
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r = None
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import re as _re
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for attempt in range(3):
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def _valid(h):
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if not h:
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return False
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h = h.strip().lower()
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if h in ("localhost", ""):
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return False
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if _re.match(r"^\d+\.\d+\.\d+\.\d+$", h):
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return False
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return True
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hostname_src = name if _valid(name.split(".")[0]) else (fqdn if _valid(fqdn.split(".")[0]) else netbios)
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hostname = hostname_src.split(".")[0].lower() if hostname_src else ""
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agent_status = ""
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agent_version = ""
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last_checkin = None
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if "<agentInfo>" in block:
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ab = block[block.find("<agentInfo>"):block.find("</agentInfo>")]
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agent_status = (parse_xml(ab, "status") or [""])[0]
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agent_version = (parse_xml(ab, "agentVersion") or [""])[0]
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lc = (parse_xml(ab, "lastCheckedIn") or [""])[0]
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last_checkin = lc if lc else None
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os_family = None
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if any(k in os_val.lower() for k in ("linux", "red hat", "centos", "debian")):
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os_family = "linux"
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elif "windows" in os_val.lower():
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os_family = "windows"
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# Savepoint pour isoler les erreurs
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try:
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try:
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sp = db.begin_nested()
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r = sess.post(
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srv = db.execute(text("SELECT id FROM servers WHERE LOWER(hostname)=LOWER(:h)"),
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f"{qualys_url}/qps/rest/2.0/search/am/hostasset",
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{"h": hostname}).fetchone()
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json=payload, timeout=600)
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server_id = srv.id if srv else None
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break
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# Fallback : matching par IP si hostname ne match pas
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if not server_id and address:
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ip_match = db.execute(text(
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"SELECT s.id FROM servers s JOIN server_ips si ON si.server_id=s.id "
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"WHERE si.ip_address = CAST(:ip AS inet) LIMIT 1"
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), {"ip": address}).fetchone()
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if ip_match:
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server_id = ip_match.id
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if server_id and fqdn:
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db.execute(text("UPDATE servers SET fqdn=:fqdn WHERE id=:sid AND (fqdn IS NULL OR fqdn='')"),
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{"fqdn": fqdn, "sid": server_id})
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existing = db.execute(text("SELECT id, updated_at FROM qualys_assets WHERE qualys_asset_id=:qid"),
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{"qid": int(asset_id)}).fetchone()
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# Skip si déjà mis à jour dans les 5 dernières minutes
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if existing and existing.updated_at:
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from datetime import datetime, timezone, timedelta
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try:
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age = (datetime.now(timezone.utc) - existing.updated_at).total_seconds()
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if age < 2400:
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stats["skipped"] = stats.get("skipped", 0) + 1
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sp.commit()
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continue
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except Exception:
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pass
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if existing:
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db.execute(text("""UPDATE qualys_assets SET
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name=:name, hostname=:hn, fqdn=:fqdn, ip_address=:ip, os=:os, os_family=:osf,
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agent_status=:ast, agent_version=:av, last_checkin=:lc, server_id=:sid, updated_at=now()
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WHERE qualys_asset_id=:qid"""),
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{"qid": int(asset_id), "name": name, "hn": hostname, "fqdn": fqdn or None,
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"ip": address or None, "os": os_val, "osf": os_family,
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"ast": agent_status, "av": agent_version, "lc": last_checkin, "sid": server_id})
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stats["updated"] += 1
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else:
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db.execute(text("""INSERT INTO qualys_assets
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(qualys_asset_id, name, hostname, fqdn, ip_address, os, os_family,
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agent_status, agent_version, last_checkin, server_id)
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VALUES (:qid, :name, :hn, :fqdn, :ip, :os, :osf, :ast, :av, :lc, :sid)"""),
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{"qid": int(asset_id), "name": name, "hn": hostname, "fqdn": fqdn or None,
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"ip": address or None, "os": os_val, "osf": os_family,
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"ast": agent_status, "av": agent_version, "lc": last_checkin, "sid": server_id})
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stats["created"] += 1
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sp.commit()
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except Exception:
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except Exception:
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try: sp.rollback()
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import time as _t
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except Exception: pass
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_t.sleep(2 * (attempt + 1))
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stats["errors"] += 1
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if r is None or r.status_code != 200 or "SUCCESS" not in r.text:
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break
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local_pages += 1
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page_blocks = r.text.split("<HostAsset>")[1:]
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if not page_blocks:
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break
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new_last_id = f_last_id
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for block in page_blocks:
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block_end = block.split("</HostAsset>")[0]
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blocks_out.append(block_end)
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m = re.search(r"<id>(\d+)</id>", block_end)
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if m:
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aid = int(m.group(1))
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if new_last_id is None or aid > new_last_id:
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new_last_id = aid
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if "<hasMoreRecords>true</hasMoreRecords>" not in r.text or new_last_id == f_last_id:
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break
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f_last_id = new_last_id
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return blocks_out, local_pages
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# --- OPTIM 3 : 5 filtres en parallèle ---------------------------------
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tag_filters = ["SRV", "server", "SED", "SEI", "EMV"]
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all_blocks = []
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seen_asset_ids = set()
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with ThreadPoolExecutor(max_workers=len(tag_filters)) as executor:
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futures = {executor.submit(fetch_filter_pages, tf): tf for tf in tag_filters}
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for future in as_completed(futures):
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try:
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blocks, page_count = future.result()
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stats["pages"] += page_count
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# Dédup par asset_id (un asset avec tags SRV + server apparait 2 fois)
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for b in blocks:
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m = re.search(r"<id>(\d+)</id>", b)
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if m:
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aid = int(m.group(1))
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if aid not in seen_asset_ids:
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seen_asset_ids.add(aid)
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all_blocks.append(b)
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except Exception:
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except Exception:
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stats["errors"] += 1
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stats["errors"] += 1
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db.commit()
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if _refresh_cancel.is_set():
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stats["ok"] = True
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stats["cancelled"] = True
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stats["msg"] = f"Annulé apres fetch ({stats['pages']} pages, {len(all_blocks)} assets uniques)"
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return stats
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# Filtre actuel: page suivante OU passe au prochain filtre
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# --- OPTIM 4 : UPSERT INSERT ... ON CONFLICT DO UPDATE -----------------
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if "<hasMoreRecords>true</hasMoreRecords>" not in r.text or new_last_id == last_id:
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# RETURNING (xmax = 0) AS inserted : true = INSERT, false = UPDATE
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current_filter_idx += 1
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# (xmax=0 sur une ligne fraichement insérée, != 0 quand update)
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last_id = None
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UPSERT_SQL = text("""
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else:
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INSERT INTO qualys_assets
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last_id = new_last_id
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(qualys_asset_id, name, hostname, fqdn, ip_address, os, os_family,
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agent_status, agent_version, last_checkin, server_id)
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||||||
|
VALUES (:qid, :name, :hn, :fqdn, :ip, :os, :osf, :ast, :av, :lc, :sid)
|
||||||
|
ON CONFLICT (qualys_asset_id) DO UPDATE SET
|
||||||
|
name = EXCLUDED.name,
|
||||||
|
hostname = EXCLUDED.hostname,
|
||||||
|
fqdn = EXCLUDED.fqdn,
|
||||||
|
ip_address = EXCLUDED.ip_address,
|
||||||
|
os = EXCLUDED.os,
|
||||||
|
os_family = EXCLUDED.os_family,
|
||||||
|
agent_status = EXCLUDED.agent_status,
|
||||||
|
agent_version = EXCLUDED.agent_version,
|
||||||
|
last_checkin = EXCLUDED.last_checkin,
|
||||||
|
server_id = EXCLUDED.server_id,
|
||||||
|
updated_at = now()
|
||||||
|
RETURNING (xmax = 0) AS inserted
|
||||||
|
""")
|
||||||
|
|
||||||
|
FQDN_UPDATE_SQL = text(
|
||||||
|
"UPDATE servers SET fqdn=:fqdn WHERE id=:sid AND (fqdn IS NULL OR fqdn='')"
|
||||||
|
)
|
||||||
|
|
||||||
|
def _valid(h):
|
||||||
|
if not h:
|
||||||
|
return False
|
||||||
|
h = h.strip().lower()
|
||||||
|
if h in ("localhost", ""):
|
||||||
|
return False
|
||||||
|
if re.match(r"^\d+\.\d+\.\d+\.\d+$", h):
|
||||||
|
return False
|
||||||
|
return True
|
||||||
|
|
||||||
|
# Traitement séquentiel (session DB non thread-safe, mais plus de 2 queries/asset)
|
||||||
|
for block in all_blocks:
|
||||||
|
if _refresh_cancel.is_set():
|
||||||
|
break
|
||||||
|
try:
|
||||||
|
asset_id = (parse_xml(block, "id") or [""])[0]
|
||||||
|
if not asset_id or not asset_id.isdigit():
|
||||||
|
continue
|
||||||
|
name = (parse_xml(block, "name") or [""])[0]
|
||||||
|
address = (parse_xml(block, "address") or [""])[0]
|
||||||
|
fqdn = (parse_xml(block, "fqdn") or [""])[0]
|
||||||
|
netbios = (parse_xml(block, "netbiosName") or [""])[0]
|
||||||
|
os_val = (parse_xml(block, "os") or [""])[0]
|
||||||
|
hostname_src = name if _valid(name.split(".")[0]) else (fqdn if _valid(fqdn.split(".")[0]) else netbios)
|
||||||
|
hostname = hostname_src.split(".")[0].lower() if hostname_src else ""
|
||||||
|
|
||||||
|
agent_status = ""
|
||||||
|
agent_version = ""
|
||||||
|
last_checkin = None
|
||||||
|
if "<agentInfo>" in block:
|
||||||
|
ab = block[block.find("<agentInfo>"):block.find("</agentInfo>")]
|
||||||
|
agent_status = (parse_xml(ab, "status") or [""])[0]
|
||||||
|
agent_version = (parse_xml(ab, "agentVersion") or [""])[0]
|
||||||
|
lc = (parse_xml(ab, "lastCheckedIn") or [""])[0]
|
||||||
|
last_checkin = lc if lc else None
|
||||||
|
|
||||||
|
os_family = None
|
||||||
|
if any(k in os_val.lower() for k in ("linux", "red hat", "centos", "debian")):
|
||||||
|
os_family = "linux"
|
||||||
|
elif "windows" in os_val.lower():
|
||||||
|
os_family = "windows"
|
||||||
|
|
||||||
|
# Lookup O(1) au lieu de 2 queries SQL
|
||||||
|
server_id = servers_by_hostname.get(hostname) if hostname else None
|
||||||
|
if not server_id and address:
|
||||||
|
server_id = servers_by_ip.get(address)
|
||||||
|
|
||||||
|
# FQDN backfill ciblé (seulement si le server en a besoin)
|
||||||
|
if server_id and fqdn and server_id in servers_need_fqdn:
|
||||||
|
try:
|
||||||
|
db.execute(FQDN_UPDATE_SQL, {"fqdn": fqdn, "sid": server_id})
|
||||||
|
servers_need_fqdn.discard(server_id)
|
||||||
|
except Exception:
|
||||||
|
pass
|
||||||
|
|
||||||
|
result = db.execute(UPSERT_SQL, {
|
||||||
|
"qid": int(asset_id), "name": name, "hn": hostname,
|
||||||
|
"fqdn": fqdn or None, "ip": address or None,
|
||||||
|
"os": os_val, "osf": os_family, "ast": agent_status,
|
||||||
|
"av": agent_version, "lc": last_checkin, "sid": server_id,
|
||||||
|
})
|
||||||
|
row = result.fetchone()
|
||||||
|
if row and row.inserted:
|
||||||
|
stats["created"] += 1
|
||||||
|
else:
|
||||||
|
stats["updated"] += 1
|
||||||
|
except Exception:
|
||||||
|
stats["errors"] += 1
|
||||||
|
|
||||||
|
# Commit final unique
|
||||||
|
try:
|
||||||
|
db.commit()
|
||||||
|
except Exception:
|
||||||
|
try: db.rollback()
|
||||||
|
except Exception: pass
|
||||||
|
|
||||||
stats["ok"] = True
|
stats["ok"] = True
|
||||||
stats["mode"] = mode
|
stats["mode"] = mode
|
||||||
stats["msg"] = f"[{mode}] {stats['created']} créés, {stats['updated']} mis à jour ({stats['pages']} pages, {stats['errors']} erreurs, {len(tag_filters)} filtres)"
|
stats["msg"] = (f"[{mode}] {stats['created']} créés, {stats['updated']} mis à jour "
|
||||||
# Memorise le timestamp pour le prochain diff sync (format sans microsec)
|
f"({stats['pages']} pages // {len(tag_filters)} filtres, "
|
||||||
|
f"{len(all_blocks)} assets uniques, {stats['errors']} erreurs)")
|
||||||
if mode == "diff":
|
if mode == "diff":
|
||||||
try:
|
try:
|
||||||
now_iso = datetime.now(timezone.utc).strftime("%Y-%m-%dT%H:%M:%SZ")
|
now_iso = datetime.now(timezone.utc).strftime("%Y-%m-%dT%H:%M:%SZ")
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user