mirror of
https://github.com/kubenetworks/kubevpn.git
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Merge pull request #481 from kubenetworks/install-kubevpn-by-shell-script
chore: install kubevpn by shell script
This commit is contained in:
yuyicai
235
install.sh
Executable file
235
install.sh
Executable file
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#!/bin/sh
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# KubeVPN installation script
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# This script installs KubeVPN CLI to your system
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# Created for https://github.com/kubenetworks/kubevpn
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# curl -fsSL https://kubevpn.dev/install.sh | sh
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set -e
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# Colors and formatting
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YELLOW='\033[0;33m'
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GREEN='\033[0;32m'
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RED='\033[0;31m'
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BLUE='\033[0;34m'
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BOLD='\033[1m'
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RESET='\033[0m'
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# Installation configuration
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INSTALL_DIR=${INSTALL_DIR:-"/usr/local/bin"}
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GITHUB_REPO="kubenetworks/kubevpn"
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GITHUB_URL="https://github.com/${GITHUB_REPO}"
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VERSION_URL="https://raw.githubusercontent.com/kubenetworks/kubevpn/refs/heads/master/plugins/stable.txt"
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ZIP_FILE="kubevpn.zip"
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log() {
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echo "${BLUE}${BOLD}==> ${RESET}$1"
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}
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success() {
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echo "${GREEN}${BOLD}==> $1${RESET}"
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}
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warn() {
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echo "${YELLOW}${BOLD}==> $1${RESET}"
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}
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error() {
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echo "${RED}${BOLD}==> $1${RESET}"
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}
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get_system_info() {
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OS=$(uname | tr '[:upper:]' '[:lower:]')
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log "Detected OS: ${OS}"
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case $OS in
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linux | darwin) ;;
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msys_nt | msys | cygwin)
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error "Windows is not supported, please install KubeVPN manually using scoop. More info: ${GITHUB_URL}"
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exit 1
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;;
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*)
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error "Unsupported operating system: ${OS}"
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exit 1
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;;
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esac
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ARCH=$(uname -m)
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case $ARCH in
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x86_64)
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ARCH="amd64"
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;;
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aarch64 | arm64)
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ARCH="arm64"
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;;
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i386 | i686)
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ARCH="386"
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;;
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*)
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error "Unsupported architecture: ${ARCH}"
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exit 1
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;;
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esac
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log "Detected architecture: ${ARCH}"
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}
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check_requirements() {
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if command -v curl >/dev/null 2>&1; then
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DOWNLOADER="curl"
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elif command -v wget >/dev/null 2>&1; then
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DOWNLOADER="wget"
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else
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error "Either curl or wget is required for installation"
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exit 1
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fi
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if ! command -v unzip >/dev/null 2>&1; then
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error "unzip is required but not installed"
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exit 1
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fi
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if [ ! -d "$INSTALL_DIR" ]; then
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log "Installation directory $INSTALL_DIR does not exist, attempting to create it"
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if ! mkdir -p "$INSTALL_DIR" 2>/dev/null; then
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if ! command -v sudo >/dev/null 2>&1 && ! command -v su >/dev/null 2>&1; then
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error "Cannot create $INSTALL_DIR and neither sudo nor su is available"
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exit 1
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fi
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fi
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fi
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if [ ! -w "$INSTALL_DIR" ] && ! command -v sudo >/dev/null 2>&1 && ! command -v su >/dev/null 2>&1; then
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error "No write permission to $INSTALL_DIR and neither sudo nor su is available"
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exit 1
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fi
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}
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get_latest_version() {
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log "Fetching the latest release version..."
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if [ "$DOWNLOADER" = "curl" ]; then
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VERSION=$(curl -s "$VERSION_URL")
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else
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VERSION=$(wget -qO- "$VERSION_URL")
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fi
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if [ -z "$VERSION" ]; then
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error "Could not determine the latest version"
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exit 1
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fi
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VERSION=$(echo "$VERSION" | tr -d 'v' | tr -d '\n')
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success "Latest version: ${VERSION}"
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}
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download_binary() {
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DOWNLOAD_URL="$GITHUB_URL/releases/download/v${VERSION}/kubevpn_v${VERSION}_${OS}_${ARCH}.zip"
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log "Downloading KubeVPN binary from $DOWNLOAD_URL"
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if [ "$DOWNLOADER" = "curl" ]; then
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curl -L -o "$ZIP_FILE" "$DOWNLOAD_URL" || {
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error "Failed to download KubeVPN"
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exit 1
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}
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else
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wget -O "$ZIP_FILE" "$DOWNLOAD_URL" || {
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error "Failed to download KubeVPN"
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exit 1
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}
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fi
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}
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install_binary() {
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log "Installing KubeVPN..."
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TMP_DIR=$(mktemp -d)
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BINARY="$TMP_DIR/bin/kubevpn"
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unzip -o -q "$ZIP_FILE" -d "$TMP_DIR"
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if [ -f "$TMP_DIR/checksums.txt" ]; then
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EXPECTED_CHECKSUM=$(cat "$TMP_DIR/checksums.txt" | awk '{print $1}')
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if command -v shasum >/dev/null 2>&1; then
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ACTUAL_CHECKSUM=$(shasum -a 256 "$BINARY" | awk '{print $1}')
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elif command -v sha256sum >/dev/null 2>&1; then
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ACTUAL_CHECKSUM=$(sha256sum "$BINARY" | awk '{print $1}')
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else
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warn "No checksum tool available, skipping verification"
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ACTUAL_CHECKSUM=$EXPECTED_CHECKSUM
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fi
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[ "$ACTUAL_CHECKSUM" = "$EXPECTED_CHECKSUM" ] || {
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error "Checksum verification failed (Expected: $EXPECTED_CHECKSUM, Got: $ACTUAL_CHECKSUM)"
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# Clean up
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rm -rf "$TMP_DIR"
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rm -f "$ZIP_FILE"
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exit 1
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}
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fi
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# Check if we need sudo
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if [ -w "$INSTALL_DIR" ]; then
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mv "$BINARY" "$INSTALL_DIR/kubevpn"
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chmod +x "$INSTALL_DIR/kubevpn"
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else
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warn "Elevated permissions required to install to $INSTALL_DIR"
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if command -v sudo >/dev/null 2>&1; then
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sudo mv "$BINARY" "$INSTALL_DIR/kubevpn"
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sudo chmod +x "$INSTALL_DIR/kubevpn"
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else
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su -c "mv \"$BINARY\" \"$INSTALL_DIR/kubevpn\" && chmod +x \"$INSTALL_DIR/kubevpn\""
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fi
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fi
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# Clean up
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rm -f "$ZIP_FILE"
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rm -rf "$TMP_DIR"
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}
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verify_installation() {
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if [ -x "$INSTALL_DIR/kubevpn" ]; then
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VERSION_OUTPUT=$("$INSTALL_DIR/kubevpn" version 2>&1 || echo "unknown")
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success "KubeVPN installed successfully"
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log "$VERSION_OUTPUT"
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log "KubeVPN has been installed to: $INSTALL_DIR/kubevpn"
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# Check if the installed binary is in PATH
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if command -v kubevpn >/dev/null 2>&1; then
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FOUND_PATH=$(command -v kubevpn)
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if [ "$FOUND_PATH" != "$INSTALL_DIR/kubevpn" ]; then
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warn "Another kubevpn binary was found in your PATH at: $FOUND_PATH"
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warn "Make sure $INSTALL_DIR is in your PATH to use the newly installed version"
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fi
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else
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warn "Make sure $INSTALL_DIR is in your PATH to use kubevpn"
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fi
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echo ""
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log "To connect to a Kubernetes cluster:"
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if [ "$FOUND_PATH" != "$INSTALL_DIR/kubevpn" ]; then
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echo " $INSTALL_DIR/kubevpn connect"
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else
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echo " kubevpn connect"
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fi
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echo ""
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log "For more information, visit:"
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echo " $GITHUB_URL"
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success "Done! enjoy KubeVPN 🚀"
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else
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error "KubeVPN installation failed"
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exit 1
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fi
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}
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main() {
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log "Starting KubeVPN installation..."
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get_system_info
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check_requirements
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get_latest_version
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download_binary
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install_binary
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verify_installation
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}
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main
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