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https://github.com/zvx-echo6/navi.git
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565e774864
New services/navi_config/ on :8422, mirroring recon's /api/config contract:
- config_route.py: GET /api/config -> jsonify(get_deployment_config())
with Cache-Control: public, max-age=300 (byte-for-byte recon's response).
- config_loader.py: faithful port of recon lib/deployment_config.py. Reads
RECON_PROFILE (default "home") and NAVI_CONFIG_PROFILES_DIR (default
/opt/recon/config/profiles, so it serves the SAME files recon does during
cutover). yaml.safe_load, module-level cache. Lazy load (vs recon's eager
import-time load) so the module imports cleanly off-VM and a missing
profile surfaces as HTTP 500 at request time rather than a failed import.
- admin.py: /api/admin/navi-config/info per handoff §4.5, require_auth gated.
env values (NAVI_CONFIG_PROFILES_DIR, RECON_PROFILE) are non-secret paths/
names, shown as-is (no mask_key); dependencies=[]; filesystem reports the
active profile path + exists/readable.
- app.py: create_app() factory mirroring navi_traffic, same metrics wiring;
resets the loader cache per instance so each worker/test reloads fresh.
Deploy artifacts: systemd unit (:8422) and an nginx snippet using
`location ^~ /api/config` (the ^~ convention from extraction #1 so the asset
.png/.css regex can't shadow it). No proxy_cache zone — the response is
already cached in-process and via Cache-Control: max-age=300; emits a literal
X-Cache-Status: BYPASS for parity with navi-traffic.
Adds PyYAML>=6 to deps. Tests (services/navi_config/tests): 200 + parsed dict,
Cache-Control header, RECON_PROFILE override, default=home, missing profile=500.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
59 lines
1.7 KiB
Python
59 lines
1.7 KiB
Python
"""navi-config Flask application factory + gunicorn entry.
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Gunicorn entry:
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gunicorn 'services.navi_config.app:create_app()' --bind 127.0.0.1:8422 --workers 2
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"""
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import subprocess
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import time
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from flask import Flask
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from . import config_route, admin
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from .config_loader import reset_cache
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def _git_sha():
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"""Short git SHA of the working tree at startup, or 'unknown' off-repo."""
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try:
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sha = subprocess.check_output(
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['git', 'rev-parse', '--short', 'HEAD'],
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stderr=subprocess.DEVNULL,
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text=True,
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).strip()
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return sha or 'unknown'
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except Exception:
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return 'unknown'
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def create_app():
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app = Flask(__name__)
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# Version + lightweight runtime metrics, read by the admin-info endpoint.
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# NOTE: with gunicorn --workers 2 these counters are per-worker (each worker
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# is its own process); they are indicative, not cluster-wide totals.
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app.config['VERSION'] = _git_sha()
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app.config['METRICS'] = {
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'start_time': time.time(),
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'request_count': 0,
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'last_error_at': None,
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}
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# Fresh profile load per app instance — each gunicorn worker (and each test)
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# picks up the current RECON_PROFILE / NAVI_CONFIG_PROFILES_DIR env.
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reset_cache()
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@app.before_request
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def _count_request():
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app.config['METRICS']['request_count'] += 1
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@app.after_request
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def _track_errors(response):
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if response.status_code >= 500:
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app.config['METRICS']['last_error_at'] = time.strftime(
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'%Y-%m-%dT%H:%M:%SZ', time.gmtime()
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)
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return response
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app.register_blueprint(config_route.bp)
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app.register_blueprint(admin.bp)
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return app
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