jschoubben
54557b77bf
A module that logs people in through Keycloak had to be given a client by
hand, with its secret copied into the consumer's environment. As a provision
the mesh derives the client id (the consumer's identity, mesh_<node>_<module>)
and mints its secret, and delivers both ends: keycloak creates exactly that
confidential client, the consumer names it through ${bound:oidc-client:as}.
The consumer says where its browser comes back to (`callback`) and which
endpoint it is reached on (`label`/`endpoint`), so the redirect is built from
the same names the mesh composes for its route. keycloak serves the issuer and
the endpoint paths under it; the issuer is the one value an assignment sets,
and the realm is read out of it, so consumer and client cannot disagree.
Only what the mesh made is touched: its clients carry mesh.provisioned=true;
a client of the same id without the mark is refused, never adopted, updated
or deleted. The runtime now gets the admin password as a file, which its
tools also needed and never had.
31 lines
1.8 KiB
Docker
31 lines
1.8 KiB
Docker
# keycloak's runtime: the tool runtime, carrying this module's compiled code.
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#
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# **Built from this module's own directory and nothing else.** The sdk and the tool runtime are in
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# the base images, published like any other artifact — which is what makes this buildable by the
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# mesh from a repository and a path (novox/hq ADR 0069) rather than only on a workstation that
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# happens to have the siblings.
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#
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# Two bases, named rather than pinned (novox/hq issue 044): the image this is COMPILED in and the
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# image it RUNS in — the second must not carry a compiler. Declared in module.json's `build.on`.
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ARG BUILD_BASE
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ARG RUNTIME_BASE
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FROM ${BUILD_BASE} AS build
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# Compiled under /app/modules so `@novox/mesh-sdk` resolves upward into the base's own
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# node_modules — the module is compiled against exactly the sdk it will run against. The compiler
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# is invoked by its real path: node_modules/.bin entries are launcher symlinks the base image
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# resolved away.
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WORKDIR /app/modules/keycloak
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COPY . .
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RUN node /app/node_modules/typescript/bin/tsc client.ts oidc.ts index.ts provisioner/index.ts tools/index.ts \
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--module NodeNext --moduleResolution NodeNext --target ES2022 --outDir dist
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FROM ${RUNTIME_BASE}
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COPY --from=build /app/modules/keycloak/dist /app/modules/keycloak/dist
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# Every serve-time entrypoint, loaded by the runtime in serve mode: tools and events serve, and a
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# provider's provisioner runs its reconcile loop in the same process, with the broker connected —
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# the convention novox/hq issues 060/061 settled. A container that instead ran only its
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# provisioner (`run`) served no tools and emitted no events; a container that named no command
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# ran no provisioner at all.
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ENV MESH_TOOL_MODULES=/app/modules/keycloak/dist/index.js,/app/modules/keycloak/dist/tools/index.js,/app/modules/keycloak/dist/provisioner/index.js
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