anti
e6127a81a1
Introduces the `decnet webhook` long-running worker that consumes the
internal bus and POSTs matching events to configured subscriptions.
Design: one task per (subscription, pattern) pair. Each task opens
its own bus subscription, iterates events, and dispatches via the
shared deliver() client. No intermediate queue, no in-memory filter
matching — the bus's own pattern matcher is the filter. Reloads on
`system.webhook.subscriptions_changed` signals from the CRUD router,
with a 60s fallback timer in case a signal is lost.
Shutdown propagates via CancelledError on the outer task; all inner
subscription tasks are cancelled and awaited in a finally block.
Bus unavailable → worker stays up in idle mode per the DEBT-031
pattern, logging one warning.
Registered as a master-only CLI command (agents don't configure
webhooks — the subscription store lives on master). systemd unit
mirrors the profiler template; added to decnet.target Wants= list so
`systemctl start decnet.target` brings it up alongside everything
else. `decnet init` auto-picks up the new .service.j2 via its
existing `glob("decnet-*.service.j2")` sweep.
39 lines
1019 B
Django/Jinja
39 lines
1019 B
Django/Jinja
[Unit]
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Description=DECNET Webhook Dispatcher (external SIEM/SOAR egress)
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Documentation=https://git.resacachile.cl/anti/DECNET/wiki/Workers#webhook
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After=network-online.target decnet-bus.service decnet-api.service
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Wants=network-online.target decnet-bus.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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WorkingDirectory={{ install_dir }}
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EnvironmentFile=-{{ install_dir }}/.env.local
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Environment=DECNET_SYSTEM_LOGS=/var/log/decnet/decnet.webhook.log
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ExecStart={{ venv_dir }}/bin/decnet webhook
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StandardOutput=append:/var/log/decnet/decnet.webhook.log
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StandardError=append:/var/log/decnet/decnet.webhook.log
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CapabilityBoundingSet=
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AmbientCapabilities=
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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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