Installing flipt from releases

install_flipt.sh

#!/bin/bash

# Set default values if not already set
: ${FLIPT_VERSION:="1.34.0"}
: ${ARCH:="linux_x86_64"}

# Check if the script is running as root (sudo)
if [ "$(id -u)" != "0" ]; then
    echo "This script must be run as root. Please use sudo."
    exit 1
fi

# Function to validate the version format
validate_version() {
    if [[ $1 =~ ^[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
        return 0 # Valid version format
    else
        echo "Invalid version format. Please use MAJOR.MINOR.PATCH."
        exit 1
    fi
}

# If a version is provided as an argument, validate and use that version instead
if [ "$#" -eq 1 ]; then
    validate_version "$1"
    FLIPT_VERSION=$1
fi

# Define the download URL
DOWNLOAD_URL="https://github.com/flipt-io/flipt/releases/download/v${FLIPT_VERSION}/flipt_${ARCH}.tar.gz"
TEMP_DIR="/tmp/flipt-${FLIPT_VERSION}"
TEMP_TAR="${TEMP_DIR}/flipt.tar.gz"

# Create a temporary directory
mkdir -p "$TEMP_DIR"

# Download the specified version of Flipt
wget "$DOWNLOAD_URL" -O "$TEMP_TAR"

# Check if download was successful
if [ $? -ne 0 ]; then
    echo "Download failed. Please check the provided version and your internet connection."
    rm -rf "$TEMP_DIR"
    exit 1
fi

# Extract only the 'flipt' binary from the tar.gz file into the temporary directory
tar -xzf "$TEMP_TAR" -C "$TEMP_DIR" flipt

# Move the binary to /usr/bin and set execute permission
mv "${TEMP_DIR}/flipt" /usr/bin/flipt
chmod +x /usr/bin/flipt

# Clean up temporary directory
rm -rf "$TEMP_DIR"

echo "Flipt version ${FLIPT_VERSION} installed successfully."