ssulav commented on code in PR #9247:
URL: https://github.com/apache/ozone/pull/9247#discussion_r2651528195
##########
tools/installer/ozone_installer.py:
##########
@@ -0,0 +1,499 @@
+#!/usr/bin/env python3
+
+import argparse
+import json
+import os
+import re
+import shlex
+import subprocess
+import sys
+import tempfile
+from pathlib import Path
+from typing import List, Optional, Tuple
+
+ANSIBLE_ROOT = Path(__file__).resolve().parent
+ANSIBLE_CFG = ANSIBLE_ROOT / "ansible.cfg"
+PLAYBOOKS_DIR = ANSIBLE_ROOT / "playbooks"
+LOGS_DIR = ANSIBLE_ROOT / "logs"
+LAST_FAILED_FILE = LOGS_DIR / "last_failed_task.txt"
+LAST_RUN_FILE = LOGS_DIR / "last_run.json"
+
+DEFAULTS = {
+ "install_base": "/opt/ozone",
+ "data_base": "/data/ozone",
+ "ozone_version": "2.0.0",
+ "jdk_major": 17,
+ "service_user": "ozone",
+ "service_group": "ozone",
+ "dl_url": "https://dlcdn.apache.org/ozone";,
+ "JAVA_MARKER": "Apache Ozone Installer Java Home",
+ "ENV_MARKER": "Apache Ozone Installer Env",
+ "start_after_install": True,
+ "use_sudo": True,
+}
+
+def parse_args(argv):
+ p = argparse.ArgumentParser(
+ description="Ozone Ansible Installer (Python trigger) - mirrors bash
installer flags"
+ )
+ p.add_argument("-H", "--host", help="Target host(s). Non-HA: host. HA:
comma-separated or brace expansion host{1..n}")
+ p.add_argument("-m", "--auth-method", choices=["password", "key"],
default=None)
+ p.add_argument("-p", "--password", help="SSH password (for
--auth-method=password)")
+ p.add_argument("-k", "--keyfile", help="SSH private key file (for
--auth-method=key)")
+ p.add_argument("-v", "--version", help="Ozone version (e.g., 2.0.0) or
'local'")
+ p.add_argument("-i", "--install-dir", help=f"Install root (default:
{DEFAULTS['install_base']})")
+ p.add_argument("-d", "--data-dir", help=f"Data root (default:
{DEFAULTS['data_base']})")
+ p.add_argument("-s", "--start", action="store_true", help="Initialize and
start after install")
+ p.add_argument("-M", "--cluster-mode", choices=["non-ha", "ha"],
help="Force cluster mode (default: auto by host count)")
+ p.add_argument("-r", "--role-file", help="Role file (YAML) for HA mapping
(optional)")
+ p.add_argument("-j", "--jdk-version", type=int, choices=[17, 21],
help="JDK major version (default: 17)")
+ p.add_argument("-c", "--config-dir", help="Config dir (optional, templates
are used by default)")
+ p.add_argument("-x", "--clean", action="store_true", help="(Reserved)
Cleanup before install [not yet implemented]")
+ p.add_argument("-l", "--ssh-user", help="SSH username (default: root)")
+ p.add_argument("-S", "--use-sudo", action="store_true", help="Run remote
commands via sudo (default)")
+ p.add_argument("-u", "--service-user", help="Service user (default:
ozone)")
+ p.add_argument("-g", "--service-group", help="Service group (default:
ozone)")
+ # Local extras
+ p.add_argument("--local-path", help="Path to local Ozone build (contains
bin/ozone)")
+ p.add_argument("--dl-url", help="Upstream download base URL")
+ p.add_argument("--yes", action="store_true", help="Non-interactive; accept
defaults for missing values")
+ p.add_argument("-R", "--resume", action="store_true", help="Resume play at
last failed task (if available)")
+ return p.parse_args(argv)
+
+def _validate_local_ozone_dir(path: Path) -> bool:
+ """
+ Returns True if 'path/bin/ozone' exists and is executable.
+ """
+ ozone_bin = path / "bin" / "ozone"
+ try:
+ return ozone_bin.exists() and os.access(str(ozone_bin), os.X_OK)
+ except OSError:
+ return False
+
+def prompt(prompt_text, default=None, secret=False, yes_mode=False):
+ if yes_mode:
+ return default
+ try:
+ if default:
+ text = f"{prompt_text} [{default}]: "
+ else:
+ text = f"{prompt_text}: "
+ if secret:
+ import getpass
+ val = getpass.getpass(text)
+ else:
+ val = input(text)
+ if not val and default is not None:
+ return default
+ return val
+ except EOFError:
+ return default
+
+def _semver_key(v: str) -> Tuple[int, int, int, str]:
+ """
+ Convert version like '2.0.0' or '2.1.0-RC0' to a sortable key.
+ Pre-release suffix sorts before final.
+ """
+ try:
+ core, *rest = v.split("-", 1)
+ major, minor, patch = core.split(".")
+ suffix = rest[0] if rest else ""
+ return (int(major), int(minor), int(patch), suffix)
+ except Exception:
+ return (0, 0, 0, v)
+
+def fetch_available_versions(dl_url: str, limit: int = 30) -> List[str]:
+ """
+ Fetch available Ozone versions from the download base. Returns
newest-first.
+ """
+ try:
+ import urllib.request
+ with urllib.request.urlopen(dl_url, timeout=10) as resp:
+ html = resp.read().decode("utf-8", errors="ignore")
+ # Apache directory listing usually has anchors like href="2.0.0/"
+ candidates = set(m.group(1) for m in
re.finditer(r'href="([0-9]+\.[0-9]+\.[0-9]+(?:-[A-Za-z0-9]+)?)\/"', html))
+ versions = sorted(candidates, key=_semver_key, reverse=True)
+ if limit and len(versions) > limit:
+ versions = versions[:limit]
+ return versions
+ except Exception:
+ return []
+
+def choose_version_interactive(versions: List[str], default_version: str,
yes_mode: bool) -> Optional[str]:
+ """
+ Present a numbered list and prompt user to choose a version.
+ Returns selected version string or None if not chosen.
+ """
+ if not versions:
+ return None
+ if yes_mode:
+ return versions[0]
+ print("Available Ozone versions:")
+ for idx, ver in enumerate(versions, start=1):
+ print(f" {idx}) {ver}")
+ while True:
Review Comment:
Done.
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