unkin-agent
e0d47295f2
## Why The future Vault engine needs to machine-mint arrproxy tokens without an interactive Authentik session. arrproxy v0.2.0 adds an admin route (`POST /api/admin/...`) protected by its own bearer token; OpenBao running on the VMs calls it through the arrstack ingress. This deploys that route. ## Changes - Add an `arrproxy-admin-token` VaultStaticSecret (mirrors the `arrproxy-pepper` VSO: same `default` VaultAuth, k8s-auth default-SA pattern) syncing `kv/kubernetes/namespace/arrstack/default/arrproxy-admin-token` into the `arrproxy-admin-token` Secret. The token is seeded in Vault KV as the shared source of truth for the future Vault engine. - Set `ARRPROXY_ADMIN_TOKEN` on the arrproxy-api Deployment via `secretKeyRef` (key `token`), and add `arrproxy-admin-token` to the Reloader `secret.reloader.stakater.com/reload` annotation so the pod rolls on rotation. - Skip-auth the `/api/admin/` route in oauth2-proxy: `OAUTH2_PROXY_SKIP_AUTH_REGEX` becomes `^/[^/]+/api,^/api/admin/`. The admin route is intentionally oauth-skipped because it is protected by arrproxy's OWN bearer token so OpenBao can reach it machine-to-machine. `/api/tokens` and `/api/me` are NOT matched and stay oauth-gated. `/api/admin/*` already routes to the arrproxy-api upstream via the existing catch-all `/api/` upstream, so no upstream change is needed. - Bump arrproxy-api and arrproxy-ui images to `v0.2.0` (kept in lockstep). ## Validation - `kustomize build --enable-helm apps/overlays/au-syd1/arrstack` succeeds. - pre-commit passes, including the plain-Secret guard (only the VSO CRD is used; no plain Secret objects added). Reviewed-on: #384 Co-authored-by: unkin-agent <unkin-agent@unkin.net> Co-committed-by: unkin-agent <unkin-agent@unkin.net>
57 lines
3.4 KiB
YAML
57 lines
3.4 KiB
YAML
---
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# Non-secret oauth2-proxy configuration (client_id/secret/cookie_secret come from
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# the oauth-credentials Secret). oauth2-proxy is the single auth front for the
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# arrstack: it authenticates the UI and the token API against Authentik, and path-
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# routes to the arrproxy-ui / arrproxy-api upstreams. /<app>/api is exempted from
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# auth (SKIP_AUTH_REGEX) so *arr clients presenting a per-user token reach the api
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# directly; the api then validates the token. Everything else requires the oauth
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# session and receives identity via X-Forwarded-* / X-Auth-Request-* headers.
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apiVersion: v1
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kind: ConfigMap
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metadata:
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name: arrproxy-oauth2-env
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namespace: arrstack
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annotations:
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argocd.argoproj.io/sync-wave: "2"
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data:
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OAUTH2_PROXY_HTTP_ADDRESS: "0.0.0.0:4180"
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OAUTH2_PROXY_PROVIDER: "oidc"
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# Authentik arrstack app discovery issuer (served by the internal unkin.net CA;
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# trusted via PROVIDER_CA_FILES below). CONFIRM the slug matches the Authentik
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# application (terraform-authentik PR #18).
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OAUTH2_PROXY_OIDC_ISSUER_URL: "https://identity.unkin.net/application/o/arrstack/"
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OAUTH2_PROXY_REDIRECT_URL: "https://arrstack.unkin.net/oauth2/callback"
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# Longest-prefix wins: /api and /<app> go to arrproxy-api, everything else
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# (the SPA + static assets) to arrproxy-ui.
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OAUTH2_PROXY_UPSTREAMS: "http://arrproxy-ui.arrstack.svc.cluster.local:8080/,http://arrproxy-api.arrstack.svc.cluster.local:8080/api/,http://arrproxy-api.arrstack.svc.cluster.local:8080/sonarr/,http://arrproxy-api.arrstack.svc.cluster.local:8080/radarr/,http://arrproxy-api.arrstack.svc.cluster.local:8080/prowlarr/"
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OAUTH2_PROXY_SCOPE: "openid email profile ak_groups"
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# Populate session.Groups from the Authentik ak_groups claim; pass-user-headers
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# then emits it as a single comma-joined X-Forwarded-Groups header.
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OAUTH2_PROXY_OIDC_GROUPS_CLAIM: "ak_groups"
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# Forward identity + groups to arrproxy-api as X-Forwarded-{User,Email,Groups}
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# (the api reads these; ARRPROXY_GROUPS_HEADER=X-Forwarded-Groups). NOTE:
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# set-xauthrequest is intentionally NOT set -- it only populates auth_request
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# *response* headers, which never reach an --upstreams-proxied backend.
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OAUTH2_PROXY_PASS_USER_HEADERS: "true"
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# Bypass auth for the *arr proxy API (/<app>/api...) and the machine-mint
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# admin route (/api/admin/...). The first matches /sonarr/api; the second
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# matches /api/admin/ only -- both routed to the arrproxy-api upstream by the
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# catch-all /api/ prefix above. /api/admin/ is protected by arrproxy's OWN
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# ARRPROXY_ADMIN_TOKEN bearer (OpenBao on the VMs reaches it via the ingress),
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# so it is intentionally oauth-skipped. /api/tokens and /api/me are NOT
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# matched and stay oauth-authenticated.
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OAUTH2_PROXY_SKIP_AUTH_REGEX: "^/[^/]+/api,^/api/admin/"
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OAUTH2_PROXY_EMAIL_DOMAINS: "*"
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# Authentik hardcodes email_verified=false in the id_token; without this
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# oauth2-proxy rejects the session ("email ... isn't verified") -> 500 on
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# /oauth2/callback. Authorization is enforced downstream via ak_groups, so
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# accepting the unverified email here is safe.
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OAUTH2_PROXY_INSECURE_OIDC_ALLOW_UNVERIFIED_EMAIL: "true"
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OAUTH2_PROXY_COOKIE_SECURE: "true"
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OAUTH2_PROXY_COOKIE_DOMAINS: "arrstack.unkin.net"
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OAUTH2_PROXY_WHITELIST_DOMAINS: "arrstack.unkin.net"
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OAUTH2_PROXY_REVERSE_PROXY: "true"
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OAUTH2_PROXY_PROVIDER_CA_FILES: "/etc/ssl/combined/ca-certificates.crt"
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OAUTH2_PROXY_CODE_CHALLENGE_METHOD: "S256"
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OAUTH2_PROXY_SKIP_PROVIDER_BUTTON: "true"
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