mirror of
https://github.com/mulgadc/spinifex.git
synced 2026-10-20 11:21:49 +00:00
Josh Siviour
2ea3e22db6
* feat(systemd): bound spinifex to a resource-limited slice Add a spinifex.slice parent ceiling (MemoryHigh=80%, MemoryMax=90%, MemorySwapMax=0) with a spinifex-system.slice child holding the seven control/infra services, so a runaway hits the slice instead of the host. A system.slice drop-in (MemoryMin=1G, CPUWeight=300) reserves RAM and CPU for sshd/journald/the operator, keeping the box reachable when spinifex is maxed. The drop-in is generated in setup.sh install_systemd() rather than shipped as a staged file, since the packaging globs flatten the systemd/ dir; this mirrors the existing sshd-keygen drop-in pattern. The two .slice files flow through every staging path unchanged. Within the single effective cgroup, a slice MemoryMax OOM picks the highest oom_score victim — guest QEMU (+500) before any service (-500) — so a slice OOM degrades by killing one guest while the daemon, storage tier, NATS, and the host all survive. * feat(setup): provision 8G host swapfile + vm.swappiness=10 Add a setup_swap stage that creates an 8G /swapfile, enables it, persists it to fstab, and writes vm.swappiness=10 so the kernel only swaps under real pressure. Backs spinifex.slice MemorySwapMax so the slice can spill to swap for graceful degradation instead of OOMing a guest. Idempotent; skipped under ISO_BUILD (firstboot provisions swap on ISO hosts). Reverses the prior swap=0 assumption.
51 lines
1.1 KiB
Desktop File
51 lines
1.1 KiB
Desktop File
[Unit]
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Description=Spinifex Web UI
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PartOf=spinifex.target
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After=spinifex-awsgw.service
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[Service]
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Type=simple
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Slice=spinifex-system.slice
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User=spinifex-ui
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Group=spinifex
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ExecStart=/usr/local/bin/spx service spinifex-ui start
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Restart=on-failure
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RestartSec=5
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OOMScoreAdjust=-500
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Environment=SPINIFEX_UI_TLS_CERT=/etc/spinifex/server.pem
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Environment=SPINIFEX_UI_TLS_KEY=/etc/spinifex/server.key
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# Filesystem access
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NoNewPrivileges=yes
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ProtectSystem=strict
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PrivateDevices=yes
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ReadOnlyPaths=/etc/spinifex/server.pem /etc/spinifex/server.key
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ReadWritePaths=/var/log/spinifex
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# Hardening
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ProtectHome=yes
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PrivateTmp=yes
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RestrictSUIDSGID=yes
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LockPersonality=yes
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RestrictRealtime=yes
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RestrictNamespaces=yes
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ProtectClock=yes
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ProtectKernelTunables=yes
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ProtectKernelModules=yes
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ProtectKernelLogs=yes
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ProtectControlGroups=yes
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ProtectProc=invisible
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SystemCallArchitectures=native
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MemoryDenyWriteExecute=yes
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RestrictAddressFamilies=AF_INET AF_INET6 AF_UNIX AF_NETLINK
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CapabilityBoundingSet=
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ProtectHostname=yes
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KeyringMode=private
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RemoveIPC=yes
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LimitCORE=0
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LimitNOFILE=65536
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LimitNPROC=4096
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[Install]
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WantedBy=spinifex.target
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