Petrolyst server infrastructure: Traefik, Trino and Superset

Traefik as the server-wide edge (TLS via Let's Encrypt, dashboard on
traefik.petrolyst.com behind oauth2-proxy and Keycloak). The
fuel-monitoring stack: Superset on atoma.petrolyst.com with Keycloak login
and Petrolyst branding, Trino reading the TimescaleDB fuel-db as catalog
"fuel". Customization lives in petrolyst-insights/, deployment in the other
folders.

Deploys run server-side (deploy/deploy.sh) from a Gitea workflow or
manually; releases are immutable, Superset metadata is backed up before
migrations, and deploy/rollback.sh restores it.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Nasim SadatandClaude Opus 5.5 committed 2026-10-24 00:33:11 +02:00
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# petrolyst-insights
The Petrolyst customization of Apache Superset 6.1.0: sign-in, roles, look and feel, patches
and dashboards. Consumed by the deployment folders of this repository at image-build time.
**Not runnable standalone**: this folder has no Dockerfile, no Compose file, no CI and no
secrets. `deploy/deploy.sh` refuses to deploy if one appears here.
The split follows media-insights (customization) and media-intelligence-docker (deployment):
anything that changes how Superset looks or behaves for Petrolyst lives here; anything about how
and where it runs lives in `stacks/`, `traefik/`, `deploy/` and `host/`.
## Layout
| Path | What it is | In the image at |
|---|---|---|
| `superset_config.py` | Keycloak sign-in, role mapping, proxy and cookie settings, Redis caches, theme and chart palettes | `/app/pythonpath/` |
| `petrolyst_security.py` | `PetrolystSecurityManager`: user info and roles from the Keycloak ID token, `/login/` straight to Keycloak, `/logout/` through Keycloak | `/app/pythonpath/` |
| `assets/branding/` | logos (full colour and white), favicons, app icons | `/app/superset/static/assets/branding/`, served at `/static/assets/branding/…` |
| `patches/` | runtime patches, `fix_*.py` with `--verify` (see its README); empty at start | `/app/patches/petrolyst/`, applied during the build |
| `dashboards/` | exported dashboards and import scripts (see its README) | not in the image |
How the image consumes this folder: `stacks/fuel-monitoring/compose.yaml` passes it to the build
as the named context `insights`, and the Dockerfile copies from it with `COPY --from=insights`.
The image tag is a hash of exactly the inputs above that end up in the image, so a change here
rebuilds and recreates only the `superset` container.
## Secrets read
`superset_config.py` uses `_read_secret(name)` (copied from media-insights): it prefers
`/run/secrets/<name>` and falls back to an env var for local runs, and fails at boot on an empty
value.
| Secret | Purpose |
|---|---|
| `superset_secret_key` | Flask `SECRET_KEY` |
| `superset_db_password` | password of user `superset` on the metadata database |
| `keycloak_petrolyst_client_secret` | client secret of Keycloak client `petrolyst` |
On the server they come from `/opt/petrolyst/secrets/` (see the deployment README).
## Sign-in and roles
- Provider: Keycloak realm `thedigitalbridge` at `iam.thedigitalbridge.io`, client `petrolyst`,
authorization code flow with PKCE S256. The realm URL can be overridden with
`KEYCLOAK_REALM_URL`.
- Roles come from the client roles of `petrolyst`, which a protocol mapper puts into the claim
`petrolyst_roles`, and are re-read at every login:
| Keycloak client role | Superset role |
|---|---|
| `superset-admin` | Admin |
| `superset-editor` | Alpha |
| `superset-viewer` | Gamma |
| none | Public (no permissions) |
- `DASHBOARD_RBAC` is on: a viewer sees a dashboard once an admin adds the Gamma role (or a
custom one) to it.
## Look and feel
Source: `petrolyst-ui/design/brand/` (tokens `07_UI_Tokens/petrolyst_tokens.css`, logos
`public/brand/`, favicons `03_Favicon_App_Icons/`), copied on 2026-10-23 from petrolyst-ui commit
`2b2e694`. Copy again when the brand changes.
- Light theme: action teal `#00695C` for primary and links, navy `#0B1D33` text, `#F8FAFC`
layout, full-colour stacked logo.
- Dark theme: `#35C5B6` primary, `#071425` / `#12263D` surfaces, white logo.
- Font: Inter, Superset's default. Satoshi is licence-restricted and is not used.
- Chart palettes: "Petrolyst" categorical (the default, brand teal first) and "Petrolyst Teal" /
"Petrolyst Navy" sequential. The categorical palette was validated with the dataviz skill's
validator on both chart surfaces; the numbers are in the comment above it in
`superset_config.py`. Charts with more than three series in scatter or map form should fold
the rest into "Other".
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# dashboards/
Exported Superset dashboards and the operator scripts that import them. Not baked into the
image, so changes here do not rebuild or restart Superset. Empty until the first fuel
dashboards exist.
Export from a running instance (inside the container, as the server's deploy user):
docker exec fuel-monitoring-superset-1 superset export-dashboards -f /tmp/dashboards.zip
docker cp fuel-monitoring-superset-1:/tmp/dashboards.zip .
Import is the reverse with `superset import-dashboards -p <zip> -u <username>`. The
username must be an existing Superset user, which here means someone who has signed in
through Keycloak at least once.
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# patches/
Runtime patches applied while the Superset image is built
(`stacks/fuel-monitoring/superset/Dockerfile`). Empty until Petrolyst needs one.
Same convention as media-insights:
- One file per fix, named `fix_<what>.py`. It patches files inside the installed image
(`/app/superset/...` or the venv), for changes that cannot be made through
`superset_config.py`.
- `python3 fix_<what>.py` applies the patch; `python3 fix_<what>.py --verify` exits non-zero
unless the patched code is in place. Both must be idempotent.
- The Dockerfile runs both for every `fix_*.py` and stops at the first failure, so a patch that
no longer applies to a new Superset version fails the build instead of shipping silently.
- Everything in this folder is a build input: changing it gives the image a new tag and
recreates the `superset` container on the next deploy.
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"""Keycloak sign-in for Superset at atoma.petrolyst.com.
Set as CUSTOM_SECURITY_MANAGER in superset_config.py. Checked against
Flask-AppBuilder 5.0.2 as bundled in apache/superset:6.1.0. Three changes to
the stock behaviour:
- User info and roles come from the ID token that Keycloak issues for client
"petrolyst" (claim petrolyst_roles). FAB's built-in Keycloak branch would read
a "groups" claim from the userinfo endpoint instead.
- /login/ goes straight to Keycloak. Superset 6.1 normally registers its React
login page on /login/, which only shows a "Sign in with keycloak" button.
- /logout/ also ends the Keycloak session, so the next visit asks for the
password and OTP again.
"""
import logging
from typing import Any, Optional
from urllib.parse import urlencode
from flask import g, redirect, request, url_for
from flask_appbuilder import expose
from flask_appbuilder.security.views import AuthOAuthView
from flask_appbuilder.utils.base import get_safe_redirect
from flask_login import logout_user
from werkzeug.wrappers import Response as WerkzeugResponse
from superset.security import SupersetSecurityManager
logger = logging.getLogger(__name__)
PROVIDER = "keycloak"
ROLE_CLAIM = "petrolyst_roles"
class PetrolystAuthOAuthView(AuthOAuthView):
@expose("/login/")
@expose("/login/<provider>")
def login(self, provider: Optional[str] = None) -> WerkzeugResponse:
authenticated = g.user is not None and g.user.is_authenticated
if provider is None and not authenticated:
# FAB encodes the query arguments into the OAuth state and runs
# get_safe_redirect on "next" again after the callback; checking it
# here as well keeps an unsafe value out of the state altogether.
args = {}
if request.args.get("next"):
args["next"] = get_safe_redirect(request.args["next"])
return redirect(url_for(".login", provider=PROVIDER, **args))
return super().login(provider)
@expose("/logout/")
def logout(self) -> WerkzeugResponse:
logout_user()
remote = self.appbuilder.sm.oauth_remotes[PROVIDER]
end_session = remote.load_server_metadata().get("end_session_endpoint")
if not end_session:
logger.warning("Keycloak metadata has no end_session_endpoint")
return redirect(self.appbuilder.get_url_for_index)
# client_id instead of id_token_hint: Keycloak then asks the user to
# confirm the logout once, and no ID token has to live in the cookie.
params = {
"client_id": remote.client_id,
"post_logout_redirect_uri": request.host_url,
}
return redirect(f"{end_session}?{urlencode(params)}")
class PetrolystSecurityManager(SupersetSecurityManager):
authoauthview = PetrolystAuthOAuthView
# Without this, Superset registers its React login page on /login/ before
# FAB's OAuth view, and that page wins the route.
register_superset_auth_view = False
def oauth_user_info(
self, provider: str, response: Optional[dict[str, Any]] = None
) -> dict[str, Any]:
if provider != PROVIDER:
raise ValueError(f"unsupported OAuth provider {provider!r}")
# Authlib verifies the ID token (signature, issuer, audience, nonce)
# and puts its claims under "userinfo".
claims = (response or {}).get("userinfo")
if not claims:
claims = self.oauth_remotes[provider].userinfo()
username = claims.get("preferred_username")
if not username:
raise ValueError("Keycloak token has no preferred_username")
return {
"username": username,
"email": claims.get("email", ""),
"first_name": claims.get("given_name", ""),
"last_name": claims.get("family_name", ""),
"role_keys": list(claims.get(ROLE_CLAIM) or []),
}
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"""Superset configuration for Petrolyst (ATOMA fuel monitoring).
Customization only, and no secrets: those are read from /run/secrets/<name>,
which stacks/fuel-monitoring/compose.yaml mounts from /opt/petrolyst/secrets/.
Baked into the image at /app/pythonpath/, which is on PYTHONPATH in
apache/superset:6.1.0, so Superset loads it without SUPERSET_CONFIG_PATH.
"""
import os
import pathlib
from copy import deepcopy
from flask_appbuilder.security.manager import AUTH_OAUTH
from sqlalchemy.engine.url import URL
from petrolyst_security import PetrolystSecurityManager
from superset import config as superset_defaults
def _read_secret(name: str, env_var: str | None = None) -> str:
"""Prefer /run/secrets/<name>; fall back to an env var for local dev.
Uses rstrip('\r\n') (not strip()) so passwords or keys that legitimately
contain leading/trailing spaces are not silently mutated. Raises on empty
values so boot fails loudly instead of accepting a blank secret.
"""
path = pathlib.Path(f"/run/secrets/{name}")
if path.is_file():
value = path.read_text().rstrip("\r\n")
else:
value = os.environ[env_var or name.upper()]
if not value:
raise RuntimeError(f"secret {name!r} must not be empty")
return value
SECRET_KEY = _read_secret("superset_secret_key", "SUPERSET_SECRET_KEY")
SQLALCHEMY_DATABASE_URI = URL.create(
"postgresql+psycopg2",
username="superset",
password=_read_secret("superset_db_password", "SUPERSET_DB_PASSWORD"),
host=os.environ.get("SUPERSET_DB_HOST", "superset-db"),
port=5432,
database="superset",
).render_as_string(hide_password=False)
# --- Sign-in through Keycloak (client "petrolyst") ----------------------------
# Users and roles are managed in Keycloak; there is no local admin account.
# Break-glass access: `superset fab ...` inside the container on the server.
KEYCLOAK_REALM_URL = os.environ.get(
"KEYCLOAK_REALM_URL", "https://iam.thedigitalbridge.io/realms/thedigitalbridge"
).rstrip("/")
AUTH_TYPE = AUTH_OAUTH
CUSTOM_SECURITY_MANAGER = PetrolystSecurityManager
OAUTH_PROVIDERS = [
{
"name": "keycloak",
"icon": "fa-key",
"token_key": "access_token",
"remote_app": {
"client_id": os.environ.get("KEYCLOAK_CLIENT_ID", "petrolyst"),
"client_secret": _read_secret(
"keycloak_petrolyst_client_secret", "KEYCLOAK_CLIENT_SECRET"
),
"server_metadata_url": f"{KEYCLOAK_REALM_URL}/.well-known/openid-configuration",
"api_base_url": f"{KEYCLOAK_REALM_URL}/protocol/openid-connect/",
"client_kwargs": {
"scope": "openid email profile",
"code_challenge_method": "S256",
},
},
}
]
# Keys are Keycloak client roles of "petrolyst" (claim petrolyst_roles).
AUTH_ROLES_MAPPING = {
"superset-admin": ["Admin"],
"superset-editor": ["Alpha"],
"superset-viewer": ["Gamma"],
}
AUTH_ROLES_SYNC_AT_LOGIN = True
AUTH_USER_REGISTRATION = True
# Public has no permissions: a Keycloak user without a Superset role signs in
# and sees nothing.
AUTH_USER_REGISTRATION_ROLE = "Public"
# Viewers (Gamma) see a dashboard once it lists their role.
FEATURE_FLAGS = {"DASHBOARD_RBAC": True}
# --- Behind Traefik -----------------------------------------------------------
ENABLE_PROXY_FIX = True
PREFERRED_URL_SCHEME = "https"
SESSION_COOKIE_SECURE = True
SESSION_COOKIE_HTTPONLY = True
SESSION_COOKIE_SAMESITE = "Lax"
TALISMAN_CONFIG = deepcopy(superset_defaults.TALISMAN_CONFIG)
TALISMAN_CONFIG["session_cookie_secure"] = True
# --- Redis: caches and rate limits (no Celery, so no results backend) ---------
REDIS_URL = os.environ.get("REDIS_URL", "redis://redis:6379")
CACHE_CONFIG = {
"CACHE_TYPE": "RedisCache",
"CACHE_DEFAULT_TIMEOUT": 300,
"CACHE_KEY_PREFIX": "superset_cache_",
"CACHE_REDIS_URL": f"{REDIS_URL}/0",
}
DATA_CACHE_CONFIG = {
"CACHE_TYPE": "RedisCache",
"CACHE_DEFAULT_TIMEOUT": 3600,
"CACHE_KEY_PREFIX": "superset_data_",
"CACHE_REDIS_URL": f"{REDIS_URL}/0",
}
FILTER_STATE_CACHE_CONFIG = {
"CACHE_TYPE": "RedisCache",
"CACHE_DEFAULT_TIMEOUT": 86400,
"CACHE_KEY_PREFIX": "superset_filter_",
"CACHE_REDIS_URL": f"{REDIS_URL}/0",
}
EXPLORE_FORM_DATA_CACHE_CONFIG = {
"CACHE_TYPE": "RedisCache",
"CACHE_DEFAULT_TIMEOUT": 86400,
"CACHE_KEY_PREFIX": "superset_explore_",
"CACHE_REDIS_URL": f"{REDIS_URL}/0",
}
RATELIMIT_STORAGE_URI = f"{REDIS_URL}/1"
# --- Petrolyst look and feel --------------------------------------------------
# Values from petrolyst-ui/design/brand/07_UI_Tokens/petrolyst_tokens.css.
# Assets live in assets/branding/ and are served from /static/assets/branding/.
BRANDING = "/static/assets/branding"
APP_NAME = "Petrolyst"
APP_ICON = f"{BRANDING}/petrolyst_logo_standard_fullcolor_no_tagline.svg"
FAVICONS = [
{"href": f"{BRANDING}/favicon.svg", "type": "image/svg+xml"},
{"href": f"{BRANDING}/favicon.ico", "type": "image/x-icon"},
{"href": f"{BRANDING}/petrolyst_icon_180.png", "rel": "apple-touch-icon"},
]
THEME_DEFAULT = deepcopy(superset_defaults.THEME_DEFAULT)
THEME_DEFAULT["token"].update(
{
"brandAppName": APP_NAME,
"brandLogoAlt": "Petrolyst",
"brandLogoUrl": APP_ICON,
"brandLogoHref": "/",
# The standard logo is stacked (mark over wordmark); 40px keeps the Y
# legible and, with the margin, the 60px navbar height.
"brandLogoHeight": "40px",
"brandLogoMargin": "10px 0",
# Action teal, not the raw brand teal #009688: the brand guide keeps
# raw teal off small text and controls.
"colorPrimary": "#00695C",
"colorLink": "#00695C",
"colorSuccess": "#0F7B6C",
"colorWarning": "#B45309",
"colorError": "#B3261E",
"colorInfo": "#2563EB",
"colorTextBase": "#0B1D33",
"colorBgLayout": "#F8FAFC",
"colorBorder": "#E2E8F0",
"borderRadius": 8,
"fontFamily": "Inter, system-ui, sans-serif",
}
)
THEME_DARK = deepcopy(THEME_DEFAULT)
THEME_DARK["algorithm"] = "dark"
THEME_DARK["token"].update(
{
"brandLogoUrl": f"{BRANDING}/petrolyst_logo_standard_white_no_tagline.svg",
"colorPrimary": "#35C5B6",
"colorLink": "#35C5B6",
"colorSuccess": "#35C5B6",
"colorWarning": "#F59E0B",
"colorError": "#FF6B6B",
"colorInfo": "#60A5FA",
"colorTextBase": "#F8FAFC",
"colorBgBase": "#071425",
"colorBgLayout": "#071425",
"colorBgContainer": "#12263D",
"colorBorder": "#526D82",
"colorEditorSelection": superset_defaults.THEME_DARK["token"][
"colorEditorSelection"
],
}
)
# Chart colours. Validated with the dataviz skill's validator on both chart
# surfaces (#FFFFFF light, #12263D dark): all slots in both lightness bands and
# >= 3:1; worst adjacent CVD dE 13.7, normal-vision dE 26.2; the first three
# slots also pass all-pairs (scatter, maps). Brand teal leads; brand cyan
# #00B6E6 is snapped to #0097C4 because it is too light for the dark surface
# and below 3:1 on white. The other hues come from the validated reference set.
# Status meaning (warning, critical) never rides on these colours.
EXTRA_CATEGORICAL_COLOR_SCHEMES = [
{
"id": "petrolyst",
"description": "Petrolyst categorical palette, brand teal first",
"label": "Petrolyst",
"isDefault": True,
"colors": [
"#009688", # brand teal
"#d95926", # orange
"#9085e9", # violet
"#c98500", # amber
"#0097C4", # brand cyan, snapped
"#e34948", # red
"#3987e5", # blue
"#d55181", # magenta
],
}
]
# One hue, light to dark; the lightest step means "near zero" and may recede.
EXTRA_SEQUENTIAL_COLOR_SCHEMES = [
{
"id": "petrolyst_teal",
"description": "Petrolyst teal, light to dark",
"label": "Petrolyst Teal",
"isDiverging": False,
"isDefault": True,
"colors": [
"#E6F4F2",
"#B3DED8",
"#7FC8BE",
"#4CB2A4",
"#009688",
"#00695C",
"#004D44",
],
},
{
"id": "petrolyst_navy",
"description": "Petrolyst navy, light to dark",
"label": "Petrolyst Navy",
"isDiverging": False,
"isDefault": False,
"colors": [
"#E8EEF5",
"#C3D1E2",
"#8FA7C4",
"#5C7DA6",
"#2F5585",
"#183A63",
"#0B1D33",
],
},
]