feat: add CentOS Stream support to deployment and maintenance scripts

zabbix-deploy.py

@@ -4,8 +4,8 @@
 
 """Idempotent Zabbix 7.4 deployment with PostgreSQL 18, nginx, PHP-FPM.
 
-Deploys a full Zabbix monitoring stack with TLS-secured frontend on Fedora
-or openEuler. Every operation checks current state before acting; running
+Deploys a full Zabbix monitoring stack with TLS-secured frontend on Fedora,
+CentOS Stream or openEuler. Every operation checks current state before acting; running
 the script repeatedly produces the same result with no errors and no
 duplicate work.
 
@@ -45,10 +45,11 @@ GREEN = "\033[32m"
 YELLOW = "\033[33m"
 DIM = "\033[2m"
 RESET = "\033[0m"
-VERSION = "1.0.0"
+VERSION = "1.1.0"
 
 SUPPORTED_OS: dict[str, str] = {
     "fedora": "Fedora",
+    "centos": "CentOS Stream",
     "openeuler": "openEuler",
 }
 
@@ -371,6 +372,9 @@ def _map_to_rhel_version(os_id: str, version_id: str) -> tuple[str, str]:
         openEuler 24+ -> el9
         openEuler 22  -> el8
     """
+    if os_id == "centos":
+        return (version_id, version_id)
+
     if os_id == "fedora":
         return ("9", "9")
 
@@ -462,7 +466,7 @@ def setup_postgresql(
     """Install and configure PostgreSQL 18. Idempotent."""
     results: dict[str, Any] = {}
 
-    # Map to EL version for repo URLs (used for openEuler; Fedora has native
+    # Map to EL version for repo URLs (used for non-Fedora; Fedora has native
     # PGDG reporpms).
     el_major, _ = _map_to_rhel_version(os_id, version_id)
 
@@ -515,7 +519,7 @@ def setup_postgresql(
             _status_done("not present")
     else:
         _status("PostgreSQL module disable")
-        _status_done("skipped (openEuler)")
+        _status_done("skipped (non-Fedora)")
 
     # 2c. Install PostgreSQL 18 packages.
     pg_packages = ["postgresql18-server", "postgresql18"]