ca8cc0844a
Root cause: The systemd service hardening blocked AF_NETLINK sockets, preventing IP address discovery on standalone nodes. The proxy could only discover hostnames, causing node_not_cluster_member rejections when users configured Pulse with IP addresses. Changes: 1. Add AF_NETLINK to RestrictAddressFamilies in all systemd services - pulse-sensor-proxy.service - install-sensor-proxy.sh (both modes) - pulse-sensor-cleanup.service 2. Replace shell-based 'ip addr' with Go native net.Interfaces() API - More reliable and doesn't require external commands - Works even with strict systemd restrictions - Properly filters loopback, link-local, and down interfaces 3. Improve error logging and user guidance - Warn when no IP addresses can be discovered - Provide clear instructions about allowed_nodes workaround - Include address counts in logs for debugging This fix ensures standalone Proxmox nodes can properly validate temperature requests by IP address without requiring manual allowed_nodes configuration.
58 lines
1.2 KiB
Desktop File
58 lines
1.2 KiB
Desktop File
[Unit]
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Description=Pulse Sensor Proxy
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Documentation=https://github.com/rcourtman/Pulse
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After=network.target
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[Service]
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Type=simple
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User=pulse-sensor-proxy
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Group=pulse-sensor-proxy
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WorkingDirectory=/var/lib/pulse-sensor-proxy
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ExecStart=/usr/local/bin/pulse-sensor-proxy
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Restart=on-failure
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RestartSec=5s
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# Runtime dirs/sockets
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RuntimeDirectory=pulse-sensor-proxy
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RuntimeDirectoryMode=0775
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UMask=0007
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# Core hardening
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NoNewPrivileges=true
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ProtectSystem=strict
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ProtectHome=read-only
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ReadWritePaths=/var/lib/pulse-sensor-proxy
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ProtectKernelTunables=true
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ProtectKernelModules=true
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ProtectControlGroups=true
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ProtectClock=true
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PrivateTmp=true
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PrivateDevices=true
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ProtectProc=invisible
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ProcSubset=pid
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LockPersonality=true
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RemoveIPC=true
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RestrictSUIDSGID=true
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RestrictAddressFamilies=AF_UNIX AF_INET AF_INET6 AF_NETLINK
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RestrictNamespaces=true
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SystemCallFilter=@system-service
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SystemCallErrorNumber=EPERM
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CapabilityBoundingSet=
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AmbientCapabilities=
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KeyringMode=private
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LimitNOFILE=1024
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# Additional hardening (post-audit)
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MemoryDenyWriteExecute=true
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RestrictRealtime=true
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ProtectHostname=true
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ProtectKernelLogs=true
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SystemCallArchitectures=native
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# Logging
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StandardOutput=journal
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StandardError=journal
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SyslogIdentifier=pulse-sensor-proxy
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[Install]
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WantedBy=multi-user.target
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