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[Unit]
Description=mtail - extract internal monitoring data from application logs for collection in a timeseries database
Documentation=https://jaqx0r.github.io/mtail/
Requires=local-fs.target network.target
Before=nss-user-lookup.target
After=local-fs.target network.target
[Service]
Type=exec
Restart=on-failure
User=mtail
Environment=HOST=::
Environment=PORT=3903
Environment=EXTRA_ARGS=
EnvironmentFile=/etc/default/mtail
ExecCondition=/usr/bin/test -n "${LOGS}"
ExecStart=/bin/sh -c 'exec /usr/bin/mtail --progs /etc/mtail --logtostderr $${HOST:+--address $$HOST} $${PORT:+--port $$PORT} --logs "$LOGS" $EXTRA_ARGS'
ExecReload=/bin/kill -HUP $MAINPID
TimeoutStopSec=20s
# Limit memory leaks
MemoryMax=1G
MemorySwapMax=0
# Various hardening options
ProtectSystem=full
AmbientCapabilities=
CapabilityBoundingSet=
KeyringMode=private
LockPersonality=yes
MemoryDenyWriteExecute=yes
MountFlags=private
NoNewPrivileges=yes
PrivateDevices=yes
PrivateTmp=yes
PrivateUsers=yes
ProtectClock=yes
ProtectControlGroups=yes
ProtectHome=yes
ProtectHostname=yes
ProtectKernelLogs=yes
ProtectKernelModules=yes
ProtectKernelTunables=yes
RemoveIPC=yes
RestrictAddressFamilies=AF_INET AF_INET6 AF_UNIX
RestrictNamespaces=yes
RestrictRealtime=yes
RestrictSUIDSGID=yes
[Install]
WantedBy=multi-user.target
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