Ergo deployment improvements, new Ergo update and Ergo removal scripts

Signed-off-by: Georg Pfuetzenreuter <georg@lysergic.dev>

scripts/sh/deploy_ergo.sh

@@ -21,6 +21,34 @@ cd /opt/ergo/ergo-git
 sudo -u ergo make build
 sudo -u ergo chmod +x ergo
 ln -s /opt/ergo/ergo-git/ergo /opt/ergo/ergo
+cat <<'EOF' >/etc/systemd/system/ergo.service
+[Unit]
+Description=Ergo IRCd
+After=network.target
+
+[Service]
+Type=simple
+User=ergo
+Group=ergo
+ExecStart=/opt/ergo/ergo run --conf /opt/ergo/ircd.yaml
+ExecReload=/bin/kill -HUP $MAINPID
+Restart=on-failure
+LimitNOFILE=1048576
+SyslogIdentifier=ergo
+
+[Install]
+WantedBy=multi-user.target
+EOF
+sudo -u ergo cp /opt/ergo/ergo-git/default.yaml /opt/ergo/ircd.yaml
+sudo -u ergo mkdir /opt/ergo/tls
+sed -i 's/path: ircd.db/path: \/opt\/ergo\/ircd.db/' /opt/ergo/ircd.yaml
+sed -i 's/cert: fullchain.pem/cert: \/opt\/ergo\/tls\/fullchain.pem/' /opt/ergo/ircd.yaml
+sed -i 's/key: privkey.pem/key: \/opt\/ergo\/tls\/privkey.pem/' /opt/ergo/ircd.yaml
+sed -i 's/path: languages/path: \/opt\/ergo\/ergo-git\/languages/' /opt/ergo/ircd.yaml
+sudo -u ergo /opt/ergo/ergo initdb --conf /opt/ergo/ircd.yaml
+sudo -u ergo /opt/ergo/ergo mkcerts --conf /opt/ergo/ircd.yaml
+systemctl enable ergo.service
+systemctl start ergo.service
 fi
 else
 echo "This is currently only compatible with Go 1.16.6 or higher. Consider deploy_go.sh."

scripts/sh/remove_ergo.sh

@@ -0,0 +1,19 @@
+#!/bin/sh
+if [ ! /opt/ergo ]
+echo
+then
+read -p "Remove Ergo? This will kill running Ergo services and cause data loss. " -n 1 -r
+echo
+if [[ $REPLY =~ ^[Yy]$ ]]
+then
+echo "Removing Ergo"
+systemctl disable --now ergo.service || true
+rm -f /etc/systemd/system/ergo.service
+rm -rf /opt/ergo
+userdel -f ergo
+groupdel -f ergo
+echo "OK"
+fi
+else
+echo "Could not find a compatible installation of Ergo."
+fi

scripts/sh/update_ergo.sh

@@ -0,0 +1,26 @@
+#!/bin/sh
+GOVER=`go version | { read _ _ v _; echo ${v#go}; }`
+echo "Detected Go $GOVER"
+GOVER_REQ="1.16.0"
+if [ "$(printf '%s\n' "$GOVER_REQ" "$GOVER" | sort -V | head -n1)" = "$GOVER_REQ" ]
+then
+if [ -f /opt/ergo/ergo-git/ergo ]
+then
+read -p "Update Ergo on this system? This will immediately stop Ergo if it is running. " -n 1 -r
+echo
+if [[ $REPLY =~ ^[Yy]$ ]]
+then
+systemctl stop ergo.service
+cd /opt/ergo/ergo-git
+rm -f ergo
+git pull
+sudo -u ergo make build
+sudo -u ergo /opt/ergo/ergo-git/ergo upgradedb --conf /opt/ergo/ircd.yaml
+systemctl start ergo.service
+fi
+else
+echo "Ergo does not seem to be installed. Consider deploy_ergo.sh."
+fi
+else
+echo "This is currently only compatible with Go $GOVER_REQ or higher. Consider deploy_go.sh."
+fi