anti
1753eca198
Distros reserve /opt for different things (some package managers own it
outright), and a DECNET install that wants to live at /srv/decnet or
/usr/local/decnet had to hand-edit 13 service files post-install.
Converts every deploy/decnet-*.service to a .j2 template keyed on
{{ install_dir }}, rendered by `decnet init` at install time. All other
paths (log_dir, state_dir, runtime_dir, user, group) stay standard —
only install_dir varies.
Changes:
- deploy/decnet-*.service → deploy/decnet-*.service.j2 (13 files).
- decnet init gains --install-dir (default /opt/decnet, preserves
existing behaviour byte-for-byte). Validates absolute-path at the
CLI boundary. Threads through useradd --home-dir and the dir-creation
list so the filesystem layout matches the rendered templates.
- _install_units renders via Jinja2 with StrictUndefined (typo → loud
error, not a silent broken unit). SHA over rendered output so
operators with a custom install_dir get idempotent re-runs.
- decnet.target, tmpfiles.d, polkit rule stay static — they don't
reference install paths.
- 4 new tests: custom install_dir renders into units, default remains
/opt/decnet, relative paths rejected, second run with same custom
dir is idempotent.
42 lines
1.2 KiB
Django/Jinja
42 lines
1.2 KiB
Django/Jinja
[Unit]
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Description=DECNET Worker Agent (mTLS)
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Documentation=https://git.resacachile.cl/anti/DECNET/wiki/SWARM-Mode
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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=decnet
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Group=decnet
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# docker.sock is group-readable by 'docker'; the agent needs it for compose.
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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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ExecStart={{ install_dir }}/venv/bin/decnet agent --host 0.0.0.0 --port 8765 --agent-dir /etc/decnet/agent
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# MACVLAN/IPVLAN management + scapy raw sockets. Granted via ambient caps so
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# the process starts unprivileged and keeps only these two bits.
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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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# {{ install_dir }} holds release slots + state; the agent reads them and writes its PID.
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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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