Add full Oculog codebase

clients/ubuntu/debian/postinst

@@ -0,0 +1,55 @@
+#!/bin/bash
+set -e
+
+# Post-installation script
+echo "Configuring Oculog client..."
+
+# Create directories
+mkdir -p /var/log/oculog
+mkdir -p /etc/oculog
+
+# Install Python dependencies using system-managed approach
+# Try to install via apt first (for newer Ubuntu versions)
+if apt-cache show python3-psutil >/dev/null 2>&1 && apt-cache show python3-requests >/dev/null 2>&1; then
+    apt-get update -qq
+    if apt-get install -y -qq python3-psutil python3-requests >/dev/null 2>&1; then
+        PYTHON_BIN="/usr/bin/python3"
+    else
+        USE_VENV=1
+    fi
+else
+    USE_VENV=1
+fi
+
+# If apt packages aren't available, use a virtual environment
+if [ "$USE_VENV" = "1" ]; then
+    apt-get update -qq
+    apt-get install -y -qq python3-venv python3-pip >/dev/null 2>&1 || true
+    
+    # Create virtual environment
+    python3 -m venv /opt/oculog/venv
+    
+    # Install packages in virtual environment
+    /opt/oculog/venv/bin/pip install --quiet --upgrade pip
+    /opt/oculog/venv/bin/pip install --quiet psutil==5.9.6 requests==2.31.0
+    
+    PYTHON_BIN="/opt/oculog/venv/bin/python3"
+    
+    # Update shebang in client script
+    sed -i "1s|.*|#!${PYTHON_BIN}|" /opt/oculog/client.py
+    
+    # Update systemd service to use venv Python
+    sed -i "s|ExecStart=.*|ExecStart=${PYTHON_BIN} /opt/oculog/client.py|" /etc/systemd/system/oculog-client.service
+fi
+
+# Enable and start service if config exists
+if [ -f /etc/oculog/client.conf ]; then
+    systemctl daemon-reload
+    systemctl enable oculog-client.service 2>/dev/null || true
+    systemctl start oculog-client.service 2>/dev/null || true
+fi
+
+echo "Oculog client installed successfully!"
+echo "Please configure /etc/oculog/client.conf before starting the service."
+
+exit 0