Merge pull request #171 from FlowFuse/install-script

Create raspbian install script

service/raspbian-install-device-agent.sh

@@ -0,0 +1,116 @@
+#!/bin/bash
+
+echo "**************************************************************"
+echo " FlowFuse Device Agent Installer                            "
+echo "                                                            "
+echo " Warning: "
+echo " The install need root privileges at times, it uses         "   
+echo " sudo so may ask for your password.                         "
+echo " Root access is used to install Node.js if needed, to set   "
+echo " directory permissions, to install the FlowFuse Device      "         
+echo " Agent and register the Device Agent as service             "                                           
+echo "                                                            "
+echo "**************************************************************"
+
+# Node.js version
+MIN_NODEJS=14
+
+# Update package list and upgrade installed packages
+sudo apt-get update
+
+# Helper functions to test for existence of npm
+function HAS_NPM {
+    if [ -x "$(command -v npm)" ]; then return 0; else return 1; fi
+}
+# Install Node.js and npm if they do not exist
+if [ -x "$(command -v node)" ]; then
+    echo "NodeJS found"
+    VERSION=$(node --version | cut -d "." -f1 | cut -d "v" -f2)
+
+    if [[ $VERSION -ge $MIN_NODEJS ]]; then
+        echo "**************************************************************"
+        echo " NodeJS Version $MIN_NODEJS or newer found "
+        echo "**************************************************************"
+    else
+        echo "**************************************************************"
+        echo " You need NodeJS $MIN_NODEJS or newer, please upgrade "
+        echo "**************************************************************"
+        exit 1
+    fi
+else
+    echo "**************************************************************"
+    echo " No NodeJS found"
+    echo " Do you want to install NodeJS 18?"
+    echo "**************************************************************"
+    read -p "y/N: " yn
+    [ -z "$yn" ] && yn="n"
+
+    if [[ "$yn" == "y" ]] || [[ "$yn" == "Y" ]]; then
+        if [ ! -x "$(command -v curl)" ]; then
+            sudo apt-get install -y curl
+        fi
+        sudo apt-get install -y ca-certificates curl gnupg
+        sudo mkdir -p /etc/apt/keyrings
+        curl -fsSL https://deb.nodesource.com/gpgkey/nodesource-repo.gpg.key | sudo gpg --dearmor -o /etc/apt/keyrings/nodesource.gpg
+        echo "deb [signed-by=/etc/apt/keyrings/nodesource.gpg] https://deb.nodesource.com/node_18.x nodistro main" | sudo tee /etc/apt/sources.list.d/nodesource.list
+        sudo apt-get update
+        sudo apt-get install nodejs -y
+    else
+        echo "**************************************************************"
+        echo " You will need to manually install NodeJS first. "
+        echo " Exiting."
+        echo "**************************************************************"
+        exit 1
+    fi
+fi
+
+if ! HAS_NPM; then
+    # User confirmation for installation
+    read -p "Do you wish to proceed with the installation of npm? (y/n): " proceed
+    if [[ $proceed != "y" && $proceed != "Y" ]]; then
+        echo "Installation cancelled."
+        exit 1
+    fi
+    echo "Installing npm..."
+    sudo apt-get install -y npm
+fi
+
+# Install Device Agent
+sudo npm install -g @flowforge/flowforge-device-agent
+
+# Create the working directory for the Device Agent
+sudo mkdir -p /opt/flowforge-device
+sudo chown -R $SUDO_USER /opt/flowforge-device
+
+# Create systemd service file for Device Agent
+echo "[Unit]
+Description=FlowForge Device Agent
+Wants=network.target
+Documentation=https://flowforge.com/docs
+
+[Service]
+Type=simple
+User=$SUDO_USER
+WorkingDirectory=/opt/flowforge-device
+
+Environment="NODE_OPTIONS=--max_old_space_size=512"
+ExecStart=/usr/bin/env flowforge-device-agent
+# Use SIGINT to stop
+KillSignal=SIGINT
+# Auto restart on crash
+Restart=on-failure
+RestartSec=20
+# Tag things in the log
+SyslogIdentifier=FlowForgeDevice
+#StandardOutput=syslog
+
+[Install]
+WantedBy=multi-user.target" | sudo tee /etc/systemd/system/flowforge-device-agent.service >/dev/null
+
+# Reload systemd, enable and start the service
+sudo systemctl daemon-reload
+sudo systemctl enable flowforge-device-agent.service
+sudo systemctl start flowforge-device-agent.service
+
+# Output status of the service
+sudo systemctl status flowforge-device-agent.service