97 lines
4.9 KiB
YAML
97 lines
4.9 KiB
YAML
# =============================================================================
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# Secure-path bench: step-ca (fleet CA) + FreeRADIUS (EAP-TLS), on the SERVING
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# host (the trusted side). The authenticator (hostapd-wired + MACsec) is NOT
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# here — it runs on a node between each workstation and this host (see
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# authenticator/). Host networking so FreeRADIUS sees RADIUS/1812 from the
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# authenticator and step-ca is reachable for enrolment.
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#
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# cp .env.example .env # set CA_DNS / CA_PASSWORD / RADIUS_SECRET
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# docker compose up -d step-ca && ./step-ca/bootstrap.sh && docker compose up -d freeradius
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#
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# Images are pulled from Docker Hub here; mirror them through your registry
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# (like the serving stack does for nginx/alpine) if you don't have egress.
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# =============================================================================
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services:
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# --- Fleet CA (signs TPM-generated CSRs; trust anchor for the image) --------
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step-ca:
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image: harbor.bitasylum.org/dockerhub/smallstep/step-ca:latest
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network_mode: host
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restart: unless-stopped
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environment:
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# Auto-init on first start (smallstep image convention). bootstrap.sh adds
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# the enrolment provisioner + issues the RADIUS server cert afterwards.
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DOCKER_STEPCA_INIT_NAME: "Fleet Bench CA"
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DOCKER_STEPCA_INIT_DNS_NAMES: "${CA_DNS:-ca.fleet.lab},localhost"
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DOCKER_STEPCA_INIT_ADDRESS: ":${CA_PORT:-8443}"
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DOCKER_STEPCA_INIT_PROVISIONER_NAME: "enrol"
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# Password to encrypt the CA keys + 'enrol' provisioner. Must be the VALUE
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# (_PASSWORD), not _PASSWORD_FILE: the latter is an INPUT path the entrypoint
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# reads FROM (for a mounted docker secret), which doesn't exist at first
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# init → `step ca init` fails → no CA, no secrets/password (the "CA not
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# initialised" error). With _PASSWORD the entrypoint WRITES it to
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# /home/step/secrets/password, where bootstrap.sh + the enrol-broker read it.
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DOCKER_STEPCA_INIT_PASSWORD: "${CA_PASSWORD:-changeme-bench}"
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volumes:
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- ./pki/stepca:/home/step # CA state (root/intermediate/keys/db) — gitignored
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- ./pki:/export # bootstrap.sh drops root_ca.crt here for the image/radius
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# --- RADIUS (EAP-TLS; validates client cert vs step-ca root, returns MSK) ---
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freeradius:
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image: harbor.bitasylum.org/dockerhub/freeradius/freeradius-server:latest
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network_mode: host # RADIUS 1812/1813 from the authenticator
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restart: unless-stopped
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depends_on:
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- step-ca
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# -X = full debug to stdout; priceless for the first bring-up. Drop to plain
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# `radiusd -f` once EAP-TLS is green.
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command: ["radiusd", "-X"]
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volumes:
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- ./freeradius/clients.conf:/etc/raddb/clients.conf:ro
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- ./freeradius/mods-available/eap:/etc/raddb/mods-available/eap:ro
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# certs issued by bootstrap.sh: the RADIUS server cert/key + the CA root.
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- ./pki/radius:/etc/raddb/certs/fleet:ro
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# --- TPM enrolment broker (the ONE unauthenticated, pre-auth endpoint) -------
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# docs/tpm-enrolment-design.md. Host networking so the SERVING stack's nginx
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# reaches the public listener on 127.0.0.1:9090 (proxied as /enrol/) and step-ca
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# is reachable for signing. The admin web UI (mTLS) listens on 127.0.0.1:9443 —
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# bind it to the management network ONLY; never expose it to the boot LAN.
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#
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# First issue the admin mTLS PKI (dedicated admin CA, NOT the fleet root):
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# ../enrol-broker/admin-pki.sh ./pki/broker <admin-name>
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enrol-broker:
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build: ../enrol-broker
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network_mode: host
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restart: unless-stopped
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depends_on:
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- step-ca
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environment:
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BROKER_PUBLIC_ADDR: "127.0.0.1:9090"
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BROKER_ADMIN_ADDR: "127.0.0.1:9443"
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BROKER_SIGNER: "step"
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STEP_CA_URL: "https://${CA_DNS:-ca.fleet.lab}:${CA_PORT:-8443}"
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STEP_CA_ROOT: "/pki/root_ca.crt"
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STEP_PROVISIONER: "enrol"
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STEP_PROVISIONER_PASSWORD_FILE: "/pki/stepca/secrets/password"
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STEP_CERT_NOT_AFTER: "720h"
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BROKER_PENDING_TTL: "10m"
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BROKER_WORDS: "8"
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HOSTNQN_BASE: "nqn.2026-06.org.example.fleet:host-"
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# Admin mTLS — server cert/key + the DEDICATED admin client CA (see above).
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BROKER_ADMIN_CERT: "/pki/broker/server.crt"
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BROKER_ADMIN_KEY: "/pki/broker/server.key"
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BROKER_ADMIN_CLIENT_CA: "/pki/broker/admin-ca.crt"
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# HOST plane (SSH host-cert issuance, F-02/P-17). mTLS on the boot LAN:
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# FLEET-signed server cert + the fleet CA (root+intermediate) as the client
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# CA that verifies each host's TPM identity. Certs issued by
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# step-ca/ssh-ca-bootstrap.sh (run it once after bootstrap.sh). 0.0.0.0 so
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# booted hosts can reach it — firewall to the boot LAN.
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BROKER_HOST_ADDR: "0.0.0.0:9444"
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BROKER_HOST_CERT: "/pki/broker/host-server.crt"
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BROKER_HOST_KEY: "/pki/broker/host-server.key"
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BROKER_HOST_CLIENT_CA: "/pki/broker/fleet-client-ca.crt"
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STEP_SSH_CERT_NOT_AFTER: "720h"
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volumes:
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- ./pki:/pki:ro
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