anti
f8ef0a5cf1
The api unit's ProtectHome=read-only made the user's HOME read-only inside the unit's namespace. docker compose --build then tried to write ~/.docker/buildx/activity/* and got EROFS — which we'd been misdiagnosing as a buildx wedge for the last few iterations. Real fix: set DOCKER_CONFIG and BUILDX_CONFIG in the unit's Environment= to a path inside ReadWritePaths. Hardening stays on, docker CLI writes to install_dir/.docker instead of /home/<user>/.docker. The wedge classifier now detects this case (count==0 + /home/ in the stderr path) and emits a recipe pointing at the env-var fix instead of the driver-rebuild path. Test added. Wiki gets the new branch first since it's the most common cause on systemd-managed installs.
50 lines
1.6 KiB
Django/Jinja
50 lines
1.6 KiB
Django/Jinja
[Unit]
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Description=DECNET API Service
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Documentation=https://git.resacachile.cl/anti/DECNET/wiki/REST-API-Reference
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After=network-online.target docker.service
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Wants=network-online.target
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Requires=docker.service
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[Service]
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Type=simple
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User={{ user }}
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Group={{ group }}
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# docker.sock is group-readable by 'docker'; the API ingester tails container logs.
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SupplementaryGroups=docker
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WorkingDirectory={{ install_dir }}
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EnvironmentFile=-{{ install_dir }}/.env.local
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Environment=DECNET_SYSTEM_LOGS=/var/log/decnet/decnet.api.log
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# ProtectHome=read-only (below) makes the user's $HOME read-only inside
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# the unit's namespace, which breaks `docker compose build` because the
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# CLI writes ~/.docker/buildx/activity/. Redirect the docker CLI's
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# config root into install_dir (already in ReadWritePaths) so the
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# hardening stays on without crippling the build path.
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Environment=DOCKER_CONFIG={{ install_dir }}/.docker
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Environment=BUILDX_CONFIG={{ install_dir }}/.docker/buildx
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ExecStart={{ venv_dir }}/bin/decnet api
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StandardOutput=append:/var/log/decnet/decnet.api.log
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StandardError=append:/var/log/decnet/decnet.api.log
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# MACVLAN/IPVLAN setup runs from the API lifespan when the embedded sniffer is on.
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CapabilityBoundingSet=CAP_NET_ADMIN CAP_NET_RAW
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AmbientCapabilities=CAP_NET_ADMIN CAP_NET_RAW
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# Security Hardening
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NoNewPrivileges=yes
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ProtectSystem=full
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ProtectHome=read-only
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PrivateTmp=yes
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ProtectKernelTunables=yes
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ProtectKernelModules=yes
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ProtectControlGroups=yes
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RestrictSUIDSGID=yes
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LockPersonality=yes
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ReadWritePaths={{ install_dir }} /var/log/decnet
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Restart=on-failure
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RestartSec=5
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TimeoutStopSec=15
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[Install]
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WantedBy=multi-user.target
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