Files
lmxopcua/docker-dev/docker-compose.yml
T
Joseph Doherty f76d1f91e5 docs+chore(localdb): phase-2 rig config + docs
Enables the alarm store-and-forward sink on all four driver nodes of the
docker-dev rig -- the replicating site-a pair and the default-OFF site-b pin
-- so the live gate has a real buffer to watch converge, and can see that
site-b's sink works as a plain node-local queue with no peer traffic.

Two rig details worth stating rather than rediscovering. The endpoint is
deliberately unresolvable: there is no HistorianGateway here, so every drain
attempt fails, which is exactly the historian-outage state the buffer exists
for. But it still has to be a syntactically valid absolute http(s) URI or the
host refuses to start, because ServerHistorianOptionsValidator is
consumer-gated -- AlarmHistorian:Enabled=true makes the endpoint required
even while ServerHistorian:Enabled=false. And MaxAttempts is raised far above
the production default of 10, which against a permanently unreachable gateway
would dead-letter the entire queue about five minutes in, turning a buffering
test into a dead-letter test.

Docs record what an operator now has to know: that a rising queue depth on a
Secondary is correct and on BOTH nodes is not (that shape is a redundancy
snapshot naming neither node -- check node identity before suspecting the
sink), that delivery is at-least-once across a failover by design with no
dedup layer, and that AlarmHistorian:DatabasePath is removed but should be
left in place through the upgrade because the migrator still reads it to find
the file to copy.

Claude-Session: https://claude.ai/code/session_01GASWkNEi68FSCtvr6rLoEW
2026-07-21 04:43:37 -04:00

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# docker-dev/ — Mac-friendly single-mesh hub-and-spoke fleet for v2 development + manual UI exercise.
#
# Topology: ONE Akka mesh seeded by `central-1`. Logical separation between
# tenants is by ServerCluster.ClusterId rows (MAIN / SITE-A / SITE-B) in the one
# shared `OtOpcUa` ConfigDb — NOT by separate meshes. All six host nodes join the
# same gossip ring and the central UI deploys to every cluster over it.
#
# Stack:
# sql SQL Server 2022 — hosts the one ConfigDb every node uses
# cluster-seed one-shot mssql-tools job that INSERTs the ServerCluster +
# ClusterNode rows scoping each tenant, then exits (idempotent)
#
# central-1, central-2 OTOPCUA_ROLES=admin,driver — the ONLY UI + deploy
# singleton, plus the MAIN cluster's OPC UA publishers.
# Reachable at http://localhost:9200 (via Traefik).
# central-1 is the Akka seed node; central-2 joins it.
# site-a-1, site-a-2 OTOPCUA_ROLES=driver — driver-only members of the same
# site-b-1, site-b-2 mesh, scoped to SITE-A / SITE-B by ClusterId. They
# serve no UI and authenticate no users; the central
# cluster manages and deploys to them over the mesh.
#
# Auth is real LDAP against the shared GLAuth on the Linux Docker host
# (10.100.0.35:3893, dc=zb,dc=local) — there is no LDAP container here.
# Only the admin-role central nodes carry the Security__Ldap__* block.
# Sign in `multi-role` / `password`.
#
# traefik PathPrefix(`/`) → central-1 / central-2 (the single UI route).
#
# OPC UA endpoints (host-side port → container 4840):
# central-1 :4840 central-2 :4841
# site-a-1 :4842 site-a-2 :4843
# site-b-1 :4844 site-b-2 :4845
#
# Headless deploy: POST http://localhost:9200/api/deployments with the
# X-Api-Key header (Security__DeployApiKey = "docker-dev-deploy-key").
#
# SQL persistence: the otopcua-mssql-data named volume keeps the ConfigDb schema
# + seeded clusters across `docker compose up` cycles; without it a recreate
# silently drops the OtOpcUa database.
#
# Usage:
# docker compose -f docker-dev/docker-compose.yml up -d --build
# open http://localhost:9200 # central Blazor admin UI
# open http://localhost:8089 # Traefik dashboard (8080 is the sister scadalink stack)
#
# Tear-down: docker compose -f docker-dev/docker-compose.yml down -v
name: otopcua-dev
# ── Shared secret-replication env (all six host nodes) ──────────────────────────
# Akka peer-to-peer clustered secret replication rides the existing `otopcua` Akka
# mesh (DistributedPubSub topic `zb-mom-ww-secrets`) across all six host nodes. Two
# hard requirements are wired here, identically, on every node:
# 1. Secrets__Replication__Enabled=true → SecretsRegistration.AddOtOpcUaSecrets
# switches from plain AddZbSecrets to AddZbSecretsAkkaReplication + the eager
# SecretReplicationStarter hosted service, so every node joins anti-entropy.
# 2. ZB_SECRETS_MASTER_KEY → the ONE shared 32-byte base64 KEK. Every node MUST
# carry the SAME key or peers fail closed decrypting each other's rows
# (kek_id mismatch). appsettings.json binds Secrets:MasterKey:Source=Environment
# / EnvVarName=ZB_SECRETS_MASTER_KEY, so this env var IS the KEK on every node.
# The KEK below is a committed DEV-ONLY default (matches the rig's zero-operator-step
# philosophy, like the committed dev SQL password). Override for a fresh key with:
# OTOPCUA_SECRETS_KEK=$(openssl rand -base64 32) docker compose ... up -d
# NEVER reuse this key outside this local dev rig.
# AnnounceInterval is shortened to 5s (default 30s) so anti-entropy convergence is
# observable quickly during dev exercise. Each node keeps its own local SQLite store
# (Secrets:SqlitePath=otopcua-secrets.db, per-container); replication syncs them.
x-secrets-env: &secrets-env
Secrets__Replication__Enabled: "true"
Secrets__Replication__AnnounceInterval: "00:00:05"
ZB_SECRETS_MASTER_KEY: "${OTOPCUA_SECRETS_KEK:-ZYGhIX0luS/XsevpCB2W18jYHMcqO6AjM9oXy+T6Zp4=}"
services:
sql:
image: mcr.microsoft.com/mssql/server:2022-latest
environment:
ACCEPT_EULA: "Y"
SA_PASSWORD: "OtOpcUa!Dev123"
MSSQL_PID: Developer
ports:
- "14330:1433"
# Persist the ConfigDb across container recreates. Without this the dev SQL
# is ephemeral (container writable layer), so a recreate silently drops the
# OtOpcUa database and every host node fails its configdb health check until
# EF auto-migration + cluster-seed rebuild it. The named volume keeps the
# schema + seeded clusters between `docker compose up` cycles.
volumes:
- otopcua-mssql-data:/var/opt/mssql
healthcheck:
test: ["CMD-SHELL", "/opt/mssql-tools18/bin/sqlcmd -S localhost -U sa -P 'OtOpcUa!Dev123' -No -Q 'SELECT 1' || exit 1"]
interval: 10s
timeout: 5s
retries: 20
# ── Migrator (one-shot) ────────────────────────────────────────────────────
# Applies EF Core migrations to the OtOpcUa ConfigDb so a fresh SQL volume gets
# the schema with no operator step (the host nodes deliberately don't auto-
# migrate — production owns schema changes). cluster-seed + every host node
# depend on this completing, so nothing races an in-progress migration.
# Idempotent: a no-op once the schema is current.
migrator:
build:
context: ..
dockerfile: docker-dev/Dockerfile
target: migrator
image: otopcua-migrator:dev
depends_on:
sql:
condition: service_healthy
environment:
OTOPCUA_CONFIG_CONNECTION: "Server=sql,1433;Database=OtOpcUa;User Id=sa;Password=OtOpcUa!Dev123;TrustServerCertificate=True;"
restart: "no"
# ── Cluster seed (one-shot) ────────────────────────────────────────────────
# Runs only after `migrator` completes (so the schema is final — no race), then
# INSERTs the three ServerCluster rows and the six ClusterNode rows that scope
# each tenant inside the shared OtOpcUa ConfigDb. Idempotent — re-runs are no-ops.
cluster-seed:
image: mcr.microsoft.com/mssql-tools:latest
depends_on:
migrator:
condition: service_completed_successfully
volumes:
- ./seed:/seed:ro
entrypoint: ["/bin/bash", "/seed/entrypoint.sh"]
restart: "no"
# A local OpenLDAP container used to live here, but the bitnami/openldap:2.6
# image was retired (manifest gone) and bitnamilegacy/openldap:2.6 crashes
# during LDIF setup (exit 68). Rather than stub auth, the central (admin-role)
# containers bind the shared GLAuth on the Linux Docker host (Security__Ldap__*
# below: 10.100.0.35:3893, dc=zb,dc=local, DevStubMode=false) — so dev auth
# exercises the real LDAP bind + group→role path. Sign in `multi-role` /
# `password` (all roles) or any shared test user / `password`.
# ── Central cluster (2-node fused admin+driver) ─────────────────────────────
# The only UI + deploy singleton; also the MAIN cluster's OPC UA publishers.
# central-1 seeds the single Akka mesh that every other node joins.
central-1: &otopcua-host
build:
context: ..
dockerfile: docker-dev/Dockerfile
target: runtime
image: otopcua-host:dev
# Per-node memory bounds. The full single-mesh stack (6 host nodes) OOM-killed
# central-1 on a loaded host. Each host node measured ~357 MiB idle-solo and
# climbs sharply under deploy/materialise load: a node materialising its full
# cluster slice (e.g. central → MAIN's galaxy mirror + UNS overlay, ~1400 OPC UA
# nodes) peaks well above 1g during a deploy — a 1g cap OOM-kills it (exit 137).
# Cap at 2g (≈peak + headroom) with a 1g reservation. These top-level keys are
# inherited by every service that uses `<<: *otopcua-host` (YAML merge keeps the
# anchor's scalar keys; only the `environment` block is re-declared per service).
# The full 6-node mesh needs ~12g of Docker Desktop VM memory — on a constrained
# host raise the VM memory or run fewer host services.
mem_limit: 2g
mem_reservation: 1g
# Restart supervision. A 2-node keep-oldest SBR downs the LONE survivor when the
# OLDEST node crashes (the survivor is "the side without the oldest" → DownReachable
# → run-coordinated-shutdown-when-down terminates it). Recovery is by exit-and-rejoin:
# the supervisor restarts the exited node and it re-forms/rejoins as a fresh
# incarnation (the ScadaBridge pattern). Without a restart policy the exited node
# stays down and the cluster looks like a total outage. Inherited by every host node
# via the anchor merge.
restart: unless-stopped
depends_on:
sql: { condition: service_healthy }
migrator: { condition: service_completed_successfully }
environment:
<<: *secrets-env
OTOPCUA_ROLES: "admin,driver"
ASPNETCORE_URLS: "http://+:9000"
ConnectionStrings__ConfigDb: "Server=sql,1433;Database=OtOpcUa;User Id=sa;Password=OtOpcUa!Dev123;TrustServerCertificate=True;"
Cluster__Hostname: "0.0.0.0"
Cluster__Port: "4053"
Cluster__PublicHostname: "central-1"
# Both redundancy peers are seeds (#459 / ScadaBridge parity) so a restarted node can
# re-join the mesh via EITHER peer, not only central-1. With restart supervision this is
# the 2-node keep-oldest exit-and-rejoin recovery path.
Cluster__SeedNodes__0: "akka.tcp://otopcua@central-1:4053"
Cluster__SeedNodes__1: "akka.tcp://otopcua@central-2:4053"
Cluster__Roles__0: "admin"
Cluster__Roles__1: "driver"
Security__Jwt__SigningKey: "docker-dev-signing-key-with-at-least-32-bytes-of-utf8-content-12345"
Security__Jwt__Issuer: "otopcua-dev"
Security__Jwt__Audience: "otopcua-dev"
Security__Ldap__Enabled: "true"
Security__Ldap__DevStubMode: "false"
Security__Ldap__Server: "10.100.0.35"
Security__Ldap__Port: "3893"
Security__Ldap__Transport: "None"
Security__Ldap__AllowInsecure: "true"
Security__Ldap__SearchBase: "dc=zb,dc=local"
Security__Ldap__ServiceAccountDn: "cn=serviceaccount,dc=zb,dc=local"
Security__Ldap__ServiceAccountPassword: "serviceaccount123"
Security__DeployApiKey: "docker-dev-deploy-key"
Security__Auth__DisableLogin: "true"
# Map the shared-GLAuth data-plane groups (ReadOnly/WriteOperate/...) to data-plane role
# strings the OPC UA session ACL gates read. The DB LdapGroupRoleMapping is AdminRole-typed
# (AdminUI roles); this free-form GroupToRole baseline is the path for data-plane roles.
Security__Ldap__GroupToRole__ReadOnly: "ReadOnly"
Security__Ldap__GroupToRole__WriteOperate: "WriteOperate"
Security__Ldap__GroupToRole__WriteTune: "WriteTune"
Security__Ldap__GroupToRole__WriteConfigure: "WriteConfigure"
Security__Ldap__GroupToRole__AlarmAck: "AlarmAck"
# Server-side HistoryRead via the ZB.MOM.WW.HistorianGateway sidecar. DISABLED by default: the
# docker-dev rig has no historian gateway to point at, and the historian-gateway cutover retired the
# old Wonderware Host/Port/SharedSecret keys — the code now reads ServerHistorian__Endpoint and builds
# a Uri from it, so Enabled=true with an empty Endpoint crashes the Host at startup
# (HistorianGatewayClientAdapter.Create -> UriFormatException "The URI is empty").
# To enable: OTOPCUA_HISTORIAN_ENABLED=true + OTOPCUA_HISTORIAN_ENDPOINT=https://<host>:5222, and
# export ServerHistorian__ApiKey=histgw_<id>_<secret> at `docker compose up` (never commit the key).
ServerHistorian__Enabled: "${OTOPCUA_HISTORIAN_ENABLED:-false}"
ServerHistorian__Endpoint: "${OTOPCUA_HISTORIAN_ENDPOINT:-}"
ServerHistorian__ApiKey: "${ServerHistorian__ApiKey:-}"
ServerHistorian__UseTls: "true"
ServerHistorian__AllowUntrustedServerCertificate: "true"
# Pin EF Core + ASP.NET Core to Warning so the per-poll Deployment SELECT /
# "Executed DbCommand" Information|Debug lines stop flooding the Serilog
# pipeline and starving the Akka cluster heartbeat thread. The host logs via
# Serilog (AddZbSerilog → ReadFrom.Configuration); these env vars override
# Serilog:MinimumLevel:Override:* (app/Akka levels are left untouched).
Serilog__MinimumLevel__Override__Microsoft.EntityFrameworkCore: "Warning"
Serilog__MinimumLevel__Override__Microsoft.AspNetCore: "Warning"
GALAXY_MXGW_API_KEY: "${GALAXY_MXGW_API_KEY:-mxgw_otopcua2_GI7-tNozYE6cXGUSgEzL3AHDV7bYcYIHdMwKYgyHdX4}"
# Consolidated pair-local config cache (ZB.MOM.WW.LocalDb). Every driver-role node
# (central is admin,driver) gets one, on a per-node named volume so the cache survives
# container recreates. The central pair leaves replication OFF (default) — only the
# site-a pair replicates, as the enablement demo; site-b is the default-OFF pin.
LocalDb__Path: "/app/data/otopcua-localdb.db"
ports:
- "4840:4840"
volumes:
- otopcua-localdb-central-1:/app/data
central-2:
<<: *otopcua-host
depends_on:
sql: { condition: service_healthy }
central-1: { condition: service_started }
migrator: { condition: service_completed_successfully }
environment:
<<: *secrets-env
OTOPCUA_ROLES: "admin,driver"
ASPNETCORE_URLS: "http://+:9000"
ConnectionStrings__ConfigDb: "Server=sql,1433;Database=OtOpcUa;User Id=sa;Password=OtOpcUa!Dev123;TrustServerCertificate=True;"
Cluster__Hostname: "0.0.0.0"
Cluster__Port: "4053"
Cluster__PublicHostname: "central-2"
# Both redundancy peers are seeds (#459 / ScadaBridge parity) — see central-1.
Cluster__SeedNodes__0: "akka.tcp://otopcua@central-1:4053"
Cluster__SeedNodes__1: "akka.tcp://otopcua@central-2:4053"
Cluster__Roles__0: "admin"
Cluster__Roles__1: "driver"
Security__Jwt__SigningKey: "docker-dev-signing-key-with-at-least-32-bytes-of-utf8-content-12345"
Security__Jwt__Issuer: "otopcua-dev"
Security__Jwt__Audience: "otopcua-dev"
Security__Ldap__Enabled: "true"
Security__Ldap__DevStubMode: "false"
Security__Ldap__Server: "10.100.0.35"
Security__Ldap__Port: "3893"
Security__Ldap__Transport: "None"
Security__Ldap__AllowInsecure: "true"
Security__Ldap__SearchBase: "dc=zb,dc=local"
Security__Ldap__ServiceAccountDn: "cn=serviceaccount,dc=zb,dc=local"
Security__Ldap__ServiceAccountPassword: "serviceaccount123"
Security__DeployApiKey: "docker-dev-deploy-key"
Security__Auth__DisableLogin: "true"
# Data-plane group→role baseline (see central-1).
Security__Ldap__GroupToRole__ReadOnly: "ReadOnly"
Security__Ldap__GroupToRole__WriteOperate: "WriteOperate"
Security__Ldap__GroupToRole__WriteTune: "WriteTune"
Security__Ldap__GroupToRole__WriteConfigure: "WriteConfigure"
Security__Ldap__GroupToRole__AlarmAck: "AlarmAck"
# Server-side HistoryRead via the ZB.MOM.WW.HistorianGateway sidecar. DISABLED by default: the
# docker-dev rig has no historian gateway to point at, and the historian-gateway cutover retired the
# old Wonderware Host/Port/SharedSecret keys — the code now reads ServerHistorian__Endpoint and builds
# a Uri from it, so Enabled=true with an empty Endpoint crashes the Host at startup
# (HistorianGatewayClientAdapter.Create -> UriFormatException "The URI is empty").
# To enable: OTOPCUA_HISTORIAN_ENABLED=true + OTOPCUA_HISTORIAN_ENDPOINT=https://<host>:5222, and
# export ServerHistorian__ApiKey=histgw_<id>_<secret> at `docker compose up` (never commit the key).
ServerHistorian__Enabled: "${OTOPCUA_HISTORIAN_ENABLED:-false}"
ServerHistorian__Endpoint: "${OTOPCUA_HISTORIAN_ENDPOINT:-}"
ServerHistorian__ApiKey: "${ServerHistorian__ApiKey:-}"
ServerHistorian__UseTls: "true"
ServerHistorian__AllowUntrustedServerCertificate: "true"
# Quiet EF/AspNetCore SQL flood — see central-1 (Serilog override). mem_limit/
# mem_reservation are inherited from the *otopcua-host anchor.
Serilog__MinimumLevel__Override__Microsoft.EntityFrameworkCore: "Warning"
Serilog__MinimumLevel__Override__Microsoft.AspNetCore: "Warning"
GALAXY_MXGW_API_KEY: "${GALAXY_MXGW_API_KEY:-mxgw_otopcua2_GI7-tNozYE6cXGUSgEzL3AHDV7bYcYIHdMwKYgyHdX4}"
# Pair-local config cache; central pair leaves replication OFF (see central-1).
LocalDb__Path: "/app/data/otopcua-localdb.db"
ports:
- "4841:4840"
volumes:
- otopcua-localdb-central-2:/app/data
# ── Site A cluster (2-node driver-only) ─────────────────────────────────────
# Driver-only members of the single mesh, scoped to SITE-A by ClusterId. No UI,
# no user auth — managed + deployed to by the central cluster over the mesh.
# All site nodes seed central-1.
site-a-1:
<<: *otopcua-host
depends_on:
sql: { condition: service_healthy }
central-1: { condition: service_started }
migrator: { condition: service_completed_successfully }
environment:
OTOPCUA_ROLES: "driver"
ConnectionStrings__ConfigDb: "Server=sql,1433;Database=OtOpcUa;User Id=sa;Password=OtOpcUa!Dev123;TrustServerCertificate=True;"
Cluster__Hostname: "0.0.0.0"
Cluster__Port: "4053"
Cluster__PublicHostname: "site-a-1"
Cluster__SeedNodes__0: "akka.tcp://otopcua@central-1:4053"
Cluster__Roles__0: "driver"
<<: *secrets-env
# Quiet EF/AspNetCore SQL flood — see central-1 (Serilog override). mem_limit/
# mem_reservation are inherited from the *otopcua-host anchor.
Serilog__MinimumLevel__Override__Microsoft.EntityFrameworkCore: "Warning"
Serilog__MinimumLevel__Override__Microsoft.AspNetCore: "Warning"
# Resolved at runtime by GalaxyDriver.ResolveApiKey when a DriverInstance's
# Gateway.ApiKeySecretRef = "env:GALAXY_MXGW_API_KEY".
GALAXY_MXGW_API_KEY: "${GALAXY_MXGW_API_KEY:-mxgw_otopcua2_GI7-tNozYE6cXGUSgEzL3AHDV7bYcYIHdMwKYgyHdX4}"
# Pair-local config cache + REPLICATION ON — the site-a pair is the enablement demo.
# site-a-1 is the initiator: it binds the h2c sync listener on 9001 AND dials the peer.
# Setting SyncListenPort makes Program.cs add a dedicated Http2-only Kestrel listener and
# re-bind the primary HTTP port (an explicit Listen* otherwise discards ASPNETCORE_URLS).
# Alarm store-and-forward buffer, Phase 2. Enabled on BOTH halves of the pair so the
# buffer is a live, replicated table rather than an empty one — the live gate needs a real
# queue to watch converge, and needs to see that only the Primary drains it.
#
# There is no HistorianGateway on this rig, so the endpoint below is deliberately
# unresolvable: every drain attempt fails, which is exactly the historian-outage state the
# buffer exists for. Note the endpoint must still be a syntactically valid absolute http(s)
# URI or the host refuses to start — ServerHistorianOptionsValidator is consumer-gated, so
# AlarmHistorian:Enabled=true makes it required even while ServerHistorian:Enabled=false.
#
# MaxAttempts is raised far above the production default of 10. With a permanently
# unreachable gateway the default would dead-letter the whole queue about five minutes into
# the outage, turning a buffering test into a dead-letter test.
AlarmHistorian__Enabled: "true"
AlarmHistorian__MaxAttempts: "1000000"
ServerHistorian__Endpoint: "${OTOPCUA_HISTORIAN_ENDPOINT:-http://histgw-absent.invalid:5222}"
LocalDb__Path: "/app/data/otopcua-localdb.db"
LocalDb__SyncListenPort: "9001"
LocalDb__Replication__PeerAddress: "http://site-a-2:9001"
# DEV-ONLY committed key (rig philosophy — like the SQL password + secrets KEK above). It
# MUST be byte-identical on both nodes: the interceptor is fail-closed, so any mismatch
# silently stops the pair converging. NEVER reuse this key outside this local dev rig.
LocalDb__Replication__ApiKey: "dev-site-a-localdb-sync-key"
# Row-count batching against gRPC's 4 MB message cap; artifact chunk rows are ≈171 KB, so
# 16 × 171 KB ≈ 2.7 MB stays under the cap with headroom.
LocalDb__Replication__MaxBatchSize: "16"
ports:
- "4842:4840"
volumes:
- otopcua-localdb-site-a-1:/app/data
site-a-2:
<<: *otopcua-host
depends_on:
sql: { condition: service_healthy }
central-1: { condition: service_started }
migrator: { condition: service_completed_successfully }
environment:
OTOPCUA_ROLES: "driver"
ConnectionStrings__ConfigDb: "Server=sql,1433;Database=OtOpcUa;User Id=sa;Password=OtOpcUa!Dev123;TrustServerCertificate=True;"
Cluster__Hostname: "0.0.0.0"
Cluster__Port: "4053"
Cluster__PublicHostname: "site-a-2"
Cluster__SeedNodes__0: "akka.tcp://otopcua@central-1:4053"
Cluster__Roles__0: "driver"
<<: *secrets-env
Serilog__MinimumLevel__Override__Microsoft.EntityFrameworkCore: "Warning"
Serilog__MinimumLevel__Override__Microsoft.AspNetCore: "Warning"
GALAXY_MXGW_API_KEY: "${GALAXY_MXGW_API_KEY:-mxgw_otopcua2_GI7-tNozYE6cXGUSgEzL3AHDV7bYcYIHdMwKYgyHdX4}"
# site-a-2 is the passive half of the replicating pair: it binds the sync listener on 9001
# but does NOT dial (no PeerAddress). The replication stream is bidirectional, so a-1's
# single dial carries both directions. Same key + MaxBatchSize as a-1 (byte-identical key
# is mandatory — the interceptor fail-closes on a mismatch).
# Alarm store-and-forward buffer, Phase 2. Enabled on BOTH halves of the pair so the
# buffer is a live, replicated table rather than an empty one — the live gate needs a real
# queue to watch converge, and needs to see that only the Primary drains it.
#
# There is no HistorianGateway on this rig, so the endpoint below is deliberately
# unresolvable: every drain attempt fails, which is exactly the historian-outage state the
# buffer exists for. Note the endpoint must still be a syntactically valid absolute http(s)
# URI or the host refuses to start — ServerHistorianOptionsValidator is consumer-gated, so
# AlarmHistorian:Enabled=true makes it required even while ServerHistorian:Enabled=false.
#
# MaxAttempts is raised far above the production default of 10. With a permanently
# unreachable gateway the default would dead-letter the whole queue about five minutes into
# the outage, turning a buffering test into a dead-letter test.
AlarmHistorian__Enabled: "true"
AlarmHistorian__MaxAttempts: "1000000"
ServerHistorian__Endpoint: "${OTOPCUA_HISTORIAN_ENDPOINT:-http://histgw-absent.invalid:5222}"
LocalDb__Path: "/app/data/otopcua-localdb.db"
LocalDb__SyncListenPort: "9001"
LocalDb__Replication__ApiKey: "dev-site-a-localdb-sync-key"
LocalDb__Replication__MaxBatchSize: "16"
ports:
- "4843:4840"
volumes:
- otopcua-localdb-site-a-2:/app/data
# ── Site B cluster (2-node driver-only) ─────────────────────────────────────
site-b-1:
<<: *otopcua-host
depends_on:
sql: { condition: service_healthy }
central-1: { condition: service_started }
migrator: { condition: service_completed_successfully }
environment:
OTOPCUA_ROLES: "driver"
ConnectionStrings__ConfigDb: "Server=sql,1433;Database=OtOpcUa;User Id=sa;Password=OtOpcUa!Dev123;TrustServerCertificate=True;"
Cluster__Hostname: "0.0.0.0"
Cluster__Port: "4053"
Cluster__PublicHostname: "site-b-1"
Cluster__SeedNodes__0: "akka.tcp://otopcua@central-1:4053"
Cluster__Roles__0: "driver"
<<: *secrets-env
Serilog__MinimumLevel__Override__Microsoft.EntityFrameworkCore: "Warning"
Serilog__MinimumLevel__Override__Microsoft.AspNetCore: "Warning"
GALAXY_MXGW_API_KEY: "${GALAXY_MXGW_API_KEY:-mxgw_otopcua2_GI7-tNozYE6cXGUSgEzL3AHDV7bYcYIHdMwKYgyHdX4}"
# site-b is the default-OFF pin: it gets the pair-local cache but NO SyncListenPort and NO
# replication config, so no sync listener binds and ISyncStatus stays disconnected/Healthy.
# This is what the live gate's check 8 verifies — the cache works locally with replication off.
# Alarm store-and-forward with replication OFF — the other half of the site-b pin. The sink
# must work as a plain node-local buffer here, with no sync listener and no peer traffic.
AlarmHistorian__Enabled: "true"
AlarmHistorian__MaxAttempts: "1000000"
ServerHistorian__Endpoint: "${OTOPCUA_HISTORIAN_ENDPOINT:-http://histgw-absent.invalid:5222}"
LocalDb__Path: "/app/data/otopcua-localdb.db"
ports:
- "4844:4840"
volumes:
- otopcua-localdb-site-b-1:/app/data
site-b-2:
<<: *otopcua-host
depends_on:
sql: { condition: service_healthy }
central-1: { condition: service_started }
migrator: { condition: service_completed_successfully }
environment:
OTOPCUA_ROLES: "driver"
ConnectionStrings__ConfigDb: "Server=sql,1433;Database=OtOpcUa;User Id=sa;Password=OtOpcUa!Dev123;TrustServerCertificate=True;"
Cluster__Hostname: "0.0.0.0"
Cluster__Port: "4053"
Cluster__PublicHostname: "site-b-2"
Cluster__SeedNodes__0: "akka.tcp://otopcua@central-1:4053"
Cluster__Roles__0: "driver"
<<: *secrets-env
Serilog__MinimumLevel__Override__Microsoft.EntityFrameworkCore: "Warning"
Serilog__MinimumLevel__Override__Microsoft.AspNetCore: "Warning"
GALAXY_MXGW_API_KEY: "${GALAXY_MXGW_API_KEY:-mxgw_otopcua2_GI7-tNozYE6cXGUSgEzL3AHDV7bYcYIHdMwKYgyHdX4}"
# site-b default-OFF pin (see site-b-1): cache on, replication off.
# Alarm store-and-forward with replication OFF — the other half of the site-b pin. The sink
# must work as a plain node-local buffer here, with no sync listener and no peer traffic.
AlarmHistorian__Enabled: "true"
AlarmHistorian__MaxAttempts: "1000000"
ServerHistorian__Endpoint: "${OTOPCUA_HISTORIAN_ENDPOINT:-http://histgw-absent.invalid:5222}"
LocalDb__Path: "/app/data/otopcua-localdb.db"
ports:
- "4845:4840"
volumes:
- otopcua-localdb-site-b-2:/app/data
traefik:
image: traefik:v3.1
command:
- --entrypoints.web.address=:80
- --providers.file.filename=/etc/traefik/dynamic.yml
- --providers.file.watch=true
- --api.insecure=true
ports:
- "9200:80" # host port 9200 → traefik :80 entrypoint (80 conflicts with scadabridge-traefik)
- "8089:8080" # 8080 conflicts with the sister scadalink dev stack
volumes:
- ./traefik-dynamic.yml:/etc/traefik/dynamic.yml:ro
depends_on:
- central-1
- central-2
volumes:
# SQL Server data dir — persists the OtOpcUa ConfigDb across container recreates.
otopcua-mssql-data:
# Per-node pair-local config-cache (ZB.MOM.WW.LocalDb) files. One volume per node — the
# cache is node-local, not shared; it persists the cached deployment artifact (and, on the
# site-a pair, the replicated oplog state) across container recreates so a node can boot
# from cache after a restart even with central SQL down.
otopcua-localdb-central-1:
otopcua-localdb-central-2:
otopcua-localdb-site-a-1:
otopcua-localdb-site-a-2:
otopcua-localdb-site-b-1:
otopcua-localdb-site-b-2: