jochen
c23be73d4d
The controller is a Go program and was the one piece of the mesh's own Go code still shipped and run as an image (novox/hq issue 213; ADR 0188 §1: a module's own code is bundles; §3: a service bundle is a process). The manifest now builds one Go bundle, `controller`, and runs it as the process `mesh-controller` (`./mesh-controller serve`) under an account the module declares. What the container gave it, replaced: - host network: a process is on the host's network; nothing it reads names a container network - user 65534: the account `mesh-controller`, which owns its secrets and its state directory - the eight mounts: the env names the host paths the mesh already places (the store, broker and bus files under the state directory, the broker's certificate under /var/lib/mesh-broker-tls); the `broker` mount was read by nothing and is gone with the others - `container-runtime` is no longer required on its machine Its preparation is the same binary with `prepare`, as a run-once process, and the process `replaces` the container `server`: the host keeps the container answering until the process is running (mesh-host). Needs the previous commit live in the running controller, and the host's `replaces` on the controller's machine, before it is registered. No image is built by the mesh any more. The Dockerfile stays for genesis and the lab (`make image`, its Go base now pinned in the Makefile).
99 lines
2.5 KiB
JSON
99 lines
2.5 KiB
JSON
{
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"module": "mesh-controller",
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"version": "1",
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"slug": "control",
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"claims": [
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{
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"name": "mesh-controller",
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"scope": "mesh"
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}
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],
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"accesses": [
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{
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"path": "/var/lib/mesh-broker-tls",
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"mode": "read"
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}
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],
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"own-secrets": {
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"inventory": "${dir:mesh-state}/inventory",
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"identity": "${dir:mesh-state}/identity",
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"licences": "${dir:mesh-state}/licences",
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"broker": "${dir:mesh-state}/broker",
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"broker-management": "${dir:mesh-state}/broker-management",
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"broker-address": "${dir:mesh-state}/broker-address",
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"bus": "${dir:mesh-state}/bus"
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},
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"secrets-owner": "mesh-controller",
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"prepares": true,
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"tools": [
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"tools",
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"status",
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"nodes",
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"node",
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"modules",
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"seats",
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"builds",
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"plan",
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"assign",
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"unassign",
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"push",
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"build"
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],
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"resources": [
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{
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"id": "account",
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"type": "user",
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"name": "mesh-controller",
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"shell": "/usr/bin/nologin",
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"home": "/var/lib/mesh-controller"
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},
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{
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"id": "mesh-state",
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"type": "directory",
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"mode": "0700",
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"place": "mesh",
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"owner": "mesh-controller"
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},
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{
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"id": "controller",
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"type": "process",
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"name": "mesh-controller",
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"artifact": "controller",
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"run": [
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"./mesh-controller",
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"serve"
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],
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"user": "mesh-controller",
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"env": {
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"MESH_BROKER_CERTIFICATE": "/var/lib/mesh-broker-tls/tls.crt",
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"MESH_STORE_INVENTORY_FILE": "${dir:mesh-state}/inventory",
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"MESH_STORE_IDENTITY_FILE": "${dir:mesh-state}/identity",
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"MESH_STORE_LICENCES_FILE": "${dir:mesh-state}/licences",
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"MESH_BROKER_MANAGEMENT_FILE": "${dir:mesh-state}/broker-management",
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"MESH_BROKER_ADDRESS_FILE": "${dir:mesh-state}/broker-address",
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"MESH_STORE_INVENTORY_PORT": "${seat:mesh-store:5432}",
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"MESH_STORE_IDENTITY_PORT": "${seat:mesh-store:5432}",
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"MESH_STORE_LICENCES_PORT": "${seat:mesh-store:5432}",
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"MESH_BROKER_MANAGEMENT_PORT": "${seat:mesh-broker:15672}",
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"MESH_BROKER_ADDRESS_PORT": "${seat:mesh-broker:5671}",
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"MESH_BUS_NATS_FILE": "${dir:mesh-state}/bus"
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},
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"replaces": [
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"server"
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]
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}
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],
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"build": {
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"artifacts": [
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{
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"name": "controller",
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"kind": "bundle",
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"language": "go",
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"system": "arch",
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"from": "cmd/mesh-controller",
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"binary": "mesh-controller"
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}
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]
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}
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}
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