linux SystemD service with installator for Logs-Preparer

logs-preparer/install.sh

@@ -0,0 +1,95 @@
+#!/bin/bash
+
+#echo "Service name:"
+#read SERVICE
+#echo "Rabbit host:"
+#read RHOST
+#echo "Rabbit pass:"
+#read RPASS
+
+HELP=$(cat <<'EOF'
+Missing required args:
+
+-s - SERVICE name
+-h - RabbitMQ HOST
+-p - RabbitMQ PASS
+EOF
+)
+
+VECTOR=$(which vector)
+
+if [ -z $VECTOR ]; then
+  echo "You need https://vector.dev to be installed"
+fi
+
+echo "VECTOR=$VECTOR"
+
+while getopts ":s:h:p:" opt; do
+  case $opt in
+    s) SERVICE="$OPTARG"
+    ;;
+    h) RHOST="$OPTARG"
+    ;;
+    p) RPASS="$OPTARG"
+    ;;
+    \?) echo "Invalid option -$OPTARG" >&2
+    exit 1
+    ;;
+  esac
+
+  case $OPTARG in
+    -*) echo "Option $opt needs a valid argument"
+    exit 1
+    ;;
+  esac
+done
+
+if [ -z $SERVICE ]; then
+  echo "$HELP"
+  exit -1
+fi
+if [ -z $RHOST ]; then
+  echo "$HELP"
+  exit -1
+fi
+if [ -z $RPASS ]; then
+  echo "$HELP"
+  exit -1
+fi
+
+printf "SERVICE = %s\n" "$SERVICE"
+printf "HOST = %s\n" "$RHOST"
+printf "PASS = %s\n" "$RPASS"
+
+FNAME="$SERVICE-logs-preparer.service"
+#SERVICEFILE="/etc/systemd/system/$FNAME"
+SERVICEFILE="$HOME/.config/systemd/user/$FNAME"
+
+echo "FNAME = $FNAME"
+echo "SERVICEFILE = $SERVICEFILE"
+
+if [ -f $SERVICEFILE ]; then
+  echo "Disabling current service..."
+  systemctl --user stop $FNAME
+  systemctl --user disable $FNAME
+  systemctl --user daemon-reload
+  sudo rm $SERVICEFILE
+fi
+
+echo "Creating service file..."
+
+cat logs-preparer.service | sed 's?<DIR>?'`pwd`'?' | sed 's/<RHOST>/'$RHOST'/' | sed 's/<RPASS>/'$RPASS'/' | sed 's/<SERVICE>/'$SERVICE'/' | sed 's?<VECTOR>?'$VECTOR'?' | sudo tee -a "$SERVICEFILE" > /dev/null
+
+echo "Reloading daemons..."
+
+systemctl --user daemon-reload
+
+echo "Enabling daemon for user..."
+
+systemctl --user enable $FNAME
+
+echo "Starting daemon for user..."
+
+systemctl --user start $FNAME
+
+

logs-preparer/logs-preparer.service

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+[Unit]
+Description=Logs-Preparer for <SERVICE>
+After=network.target
+
+[Service]
+Type=simple
+WorkingDirectory=<DIR>
+Environment=RABBITMQ_HOST=<RHOST>
+Environment=RABBITMQ_PASS=<RPASS>
+ExecStart=<VECTOR> --config <DIR>/vector.yaml
+CPUSchedulingPolicy=idle
+IOSchedulingClass=3
+Restart=always
+RestartSec=3
+
+[Install]
+WantedBy=default.target