sync dari sicabe-doc/deploy @ e8f8fde

deploy/lib/cluster/inventory.py

@@ -145,6 +145,47 @@ def external_address(doc: dict, service: str) -> str | None:
     return a or None
 
 
+# Port default per skema — dipakai parse_address() bila operator menulis URL penuh
+# TANPA port (mis. `https://sso.example.com` → port 443).
+_DEFAULT_SCHEME_PORT = {
+    "https": 443, "http": 80, "ldaps": 636, "ldap": 389,
+    "postgres": 5432, "postgresql": 5432,
+}
+
+
+def parse_address(addr: str) -> tuple[str, str, int | None]:
+    """Pisah alamat komponen → (skema, host, port).
+
+    Menerima dua bentuk:
+      - **URL penuh** (skema eksplisit): `https://sso.example.com` → ('https','sso.example.com',443)
+        `http://minio.corp:9000` → ('http','minio.corp',9000)
+      - **host/IP polos** (perilaku lama): `sso.example.com` → ('','sso.example.com',None)
+        `10.20.0.10` → ('','10.20.0.10',None)
+
+    Skema non-standar diterima apa adanya; path (`/foo`) dibuang.
+    """
+    a = (addr or "").strip()
+    scheme = ""
+    if "://" in a:
+        scheme, a = a.split("://", 1)
+        scheme = scheme.strip().lower()
+    a = a.split("/", 1)[0]                      # buang path bila ada
+    host, sep, port_s = a.rpartition(":")
+    # host:port HANYA bila tepat satu ':' dan port numerik — melindungi IPv6
+    # (mis. `2001:db8::1`) agar tak salah dipecah.
+    if sep and port_s.isdigit() and a.count(":") == 1:
+        host, port = host, int(port_s)
+    else:
+        host, port = a, _DEFAULT_SCHEME_PORT.get(scheme)
+    return scheme, host, port
+
+
+def external_host(doc: dict, service: str) -> str | None:
+    """HOST saja (tanpa skema/port) dari alamat eksternal — untuk var `*_HOST`."""
+    a = external_address(doc, service)
+    return parse_address(a)[1] if a else None
+
+
 def resolve(doc: dict) -> dict[str, list[str]]:
     """Komponen → daftar host (tier `engine` bisa >1 host). Komponen EKSTERNAL
     (ber-`address`) TIDAK masuk hasil — ia bukan milik host mana pun."""