feat: add quick-install.sh for installing the latest release locally

Signed-off-by: Michael Fornaro <[email protected]>

README.md

@@ -26,7 +26,15 @@ WIP
 
 ## 📦 Installation
 
-You can install Xentra via Krew, the plugin manager for kubectl:
+There are several options to install the advisor client.
+
+To use the quick install use the following command:
+
+```bash
+sh -c "$(curl -fsSL https://raw.githubusercontent.com/xentra-ai/advisor-client/main/scripts/quick-install.sh)"
+```
+
+You can also install Xentra via Krew, the plugin manager for kubectl:
 
 ```bash
 kubectl krew install xentra

scripts/quick-install.sh

@@ -0,0 +1,69 @@
+#!/bin/bash
+
+echo "Starting the installation of kubectl-advisor..."
+
+# Define the GitHub owner and repository
+GITHUB_OWNER="xentra-ai"
+GITHUB_REPO="advisor-client"
+BINARY_NAME="advisor"
+INSTALL_DIR="/usr/local/bin"
+TMP_DIR=$(mktemp -d)
+BINARY_PATH="$TMP_DIR/$BINARY_NAME"
+
+# Trap to ensure that the temporary directory gets cleaned up
+cleanup() {
+    echo "Cleaning up temporary files..."
+    rm -rf "$TMP_DIR"
+}
+trap cleanup EXIT
+
+# Detect OS and Arch
+echo "Detecting OS and architecture..."
+OS=$(uname -s | tr '[:upper:]' '[:lower:]')
+ARCH=$(uname -m)
+if [ "$ARCH" = "x86_64" ]; then
+    ARCH="amd64"
+elif [ "$ARCH" = "aarch64" ]; then
+    ARCH="arm64"
+fi
+
+echo "Detected OS: $OS, Arch: $ARCH"
+
+# Get the latest release tag
+echo "Fetching the latest release tag..."
+LATEST_RELEASE_TAG=$(curl -s "https://api.github.com/repos/$GITHUB_OWNER/$GITHUB_REPO/releases/latest" | grep tag_name | cut -d '"' -f 4)
+
+# Check if the latest release was found
+if [ -z "$LATEST_RELEASE_TAG" ]; then
+    echo "Error: Failed to fetch the latest release."
+    exit 1
+fi
+
+echo "Latest release tag: $LATEST_RELEASE_TAG"
+
+# Construct the download URL
+BINARY_URL="https://github.com/$GITHUB_OWNER/$GITHUB_REPO/releases/download/$LATEST_RELEASE_TAG/$BINARY_NAME-$OS-$ARCH"
+echo "Download URL: $BINARY_URL"
+
+# Download the release and set it as executable
+echo "Downloading the kubectl-advisor binary..."
+curl -sL "$BINARY_URL" -o "$BINARY_PATH"
+if [ $? -ne 0 ]; then
+    echo "Error: Failed to download the binary."
+    exit 1
+fi
+
+chmod +x "$BINARY_PATH"
+
+# Notify user about the need for elevated permissions
+echo "The kubectl-advisor binary needs to be moved to $INSTALL_DIR, which requires elevated permissions."
+echo "You may need to provide your password for sudo access."
+
+# Move the binary to /usr/local/bin and rename it
+sudo mv "$BINARY_PATH" "$INSTALL_DIR/kubectl-$BINARY_NAME"
+
+echo "Installation successful! 'kubectl-$BINARY_NAME' is now available in your PATH."
+echo "You can start using it with 'kubectl advisor'."
+
+# Cleanup is handled by the trap, but you can call it explicitly if desired
+cleanup