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Diffstat (limited to '')
| -rwxr-xr-x | debian/bin/generate-systemd-service-files | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/debian/bin/generate-systemd-service-files b/debian/bin/generate-systemd-service-files new file mode 100755 index 0000000..c7eafab --- /dev/null +++ b/debian/bin/generate-systemd-service-files @@ -0,0 +1,137 @@ +#!/bin/sh + +for BINARY in redis-server redis-sentinel +do + for MODE in default templated + do + case "${BINARY}" in + redis-server) + NAME="redis" + ;; + redis-sentinel) + NAME="sentinel" + ;; + esac + + case "${MODE}" in + default) + EXTRA="Alias=${NAME}.service" + TARGET="debian/${BINARY}.service" + NAMESPACED="${NAME}" + DESCRIPTION="Advanced key-value store" + ;; + templated) + EXTRA="" + TARGET="debian/${BINARY}@.service" + NAMESPACED="${NAME}-%i" + DESCRIPTION="Advanced key-value store (%I)" + ;; + esac + + : >${TARGET} + + if [ "${MODE}" = "templated" ] + then + cat >> ${TARGET} <<EOF +# Templated service file for ${BINARY}(1) +# +# Each instance of ${BINARY} requires its own configuration file: +# +# $ cp /etc/redis/${NAME}.conf /etc/redis/${NAME}-myname.conf +# $ chown redis:redis /etc/redis/${NAME}-myname.conf +# +# Ensure each instance is using their own database: +# +# $ sed -i -e 's@^dbfilename .*@dbfilename dump-myname.rdb@' /etc/redis/${NAME}-myname.conf +# +# We then listen exlusively on UNIX sockets to avoid TCP port collisions: +# +# $ sed -i -e 's@^port .*@port 0@' /etc/redis/${NAME}-myname.conf +# $ sed -i -e 's@^\\(# \\)\\{0,1\\}unixsocket .*@unixsocket /run/${NAME}-myname/${BINARY}.sock@' /etc/redis/${NAME}-myname.conf +# +# ... and ensure we are logging, etc. in a unique location: +# +# $ sed -i -e 's@^logfile .*@logfile /var/log/redis/${BINARY}-myname.log@' /etc/redis/${NAME}-myname.conf +# $ sed -i -e 's@^pidfile .*@pidfile /run/redis-myname/${BINARY}.pid@' /etc/redis/${NAME}-myname.conf +# +# We can then start the service as follows, validating we are using our own +# configuration: +# +# $ systemctl start ${BINARY}@myname.service +# $ redis-cli -s /run/${NAME}-myname/${BINARY}.sock info | grep config_file +# +# -- Chris Lamb <lamby@debian.org> Mon, 09 Oct 2017 22:17:24 +0100 +EOF + fi + + cat >> ${TARGET} <<EOF +[Unit] +Description=${DESCRIPTION} +After=network.target +Documentation=http://redis.io/documentation, man:${BINARY}(1) + +[Service] +Type=notify +ExecStart=/usr/bin/${BINARY} /etc/redis/${NAMESPACED}.conf --supervised systemd --daemonize no +PIDFile=/run/${NAMESPACED}/${BINARY}.pid +TimeoutStopSec=0 +Restart=always +User=redis +Group=redis +RuntimeDirectory=${NAMESPACED} +RuntimeDirectoryMode=2755 + +UMask=007 +PrivateTmp=true +LimitNOFILE=65535 +PrivateDevices=true +ProtectHome=true +ProtectSystem=strict +ReadWritePaths=-/var/lib/redis +ReadWritePaths=-/var/log/redis +ReadWritePaths=-/var/run/${NAMESPACED} + +CapabilityBoundingSet= +LockPersonality=true +MemoryDenyWriteExecute=true +NoNewPrivileges=true +PrivateUsers=true +ProtectClock=true +ProtectControlGroups=true +ProtectHostname=true +ProtectKernelLogs=true +ProtectKernelModules=true +ProtectKernelTunables=true +ProtectProc=invisible +RemoveIPC=true +RestrictAddressFamilies=AF_INET AF_INET6 AF_UNIX +RestrictNamespaces=true +RestrictRealtime=true +RestrictSUIDSGID=true +SystemCallArchitectures=native +SystemCallFilter=@system-service +SystemCallFilter=~ @privileged @resources + +# ${BINARY} can write to its own config file when in cluster mode so we +# permit writing there by default. If you are not using this feature, it is +# recommended that you remove this line. +ReadWriteDirectories=-/etc/redis + +# This restricts this service from executing binaries other than ${BINARY} +# itself. This is really effective at e.g. making it impossible to an +# attacker to spawn a shell on the system, but might be more restrictive +# than desired. If you need to, you can permit the execution of extra +# binaries by adding an extra ExecPaths= directive with the command +# systemctl edit ${BINARY}.service +NoExecPaths=/ +ExecPaths=/usr/bin/${BINARY} /usr/lib /lib + +[Install] +WantedBy=multi-user.target +EOF + if [ "${EXTRA}" != "" ] + then + echo "${EXTRA}" >> "${TARGET}" + fi + done +done |