install-rancher-cli

#!/bin/bash

## local variables
RANCHER_CLI_VERSION='v2.0.5'
RANCHER_REPO='https://github.com/rancher/cli'
OPERATING_SYSTEM=$(uname -s)

case "${OPERATING_SYSTEM}" in
    Linux*)
        DISTRO_TYPE='linux'
        RANCHER_DISTRO='rancher-linux-amd64';;
    Darwin*)
        DISTRO_TYPE='unix'
        RANCHER_DISTRO='rancher-darwin-amd64';;
    CYGWIN*)
        DISTRO_TYPE='windows'
        RANCHER_DISTRO='rancher-windows-amd64';;
    MINGW*)
        DISTRO_TYPE='windows'
        RANCHER_DISTRO='rancher-windows-amd64';;
    *)
        echo ''
        echo 'Error: operating system not known, please open an issue:'
        echo ''
        echo 'https://github.com/jeff1evesque/machine-learning/issues/new'
        echo ''
        exit 1
esac

## download rancher-cli
if [ "$DISTRO_TYPE" = 'unix' ]; then
    curl -OL "$RANCHER_REPO/releases/download/$RANCHER_CLI_VERSION/$RANCHER_DISTRO-$RANCHER_CLI_VERSION.tar.gz"
    tar zxf "$RANCHER_DISTRO-$RANCHER_CLI_VERSION.tar.gz"
    rm "$RANCHER_DISTRO-$RANCHER_CLI_VERSION.tar.gz"
    sudo mv rancher-"$RANCHER_CLI_VERSION"/rancher /usr/local/bin/rancher
    sudo chmod +x /usr/local/bin/rancher

elif [ "$DISTRO_TYPE" = 'linux' ]; then
    if ! type curl &>/dev/null; then
        sudo apt-get -y install curl || sudo yum -y install curl || (echo 'curl cannot install' && exit 1)
    fi

    curl -OL "$RANCHER_REPO/releases/download/$RANCHER_CLI_VERSION/$RANCHER_DISTRO-$RANCHER_CLI_VERSION.tar.gz"
    tar zxf "$RANCHER_DISTRO-$RANCHER_CLI_VERSION.tar.gz"
    rm "$RANCHER_DISTRO-$RANCHER_CLI_VERSION.tar.gz"
    sudo mv rancher-"$RANCHER_CLI_VERSION"/rancher /usr/local/bin/rancher
    sudo chmod +x /usr/local/bin/rancher

elif [ "$DISTRO_TYPE" = 'windows' ]; then
    WINDOWS_CURRENT_VERSION=$(
        powershell.exe \
            -NoProfile -InputFormat None -ExecutionPolicy Bypass \
            -Command "((
                Get-ItemProperty -path 'HKLM:\software\microsoft\Windows NT\CurrentVersion'
            ).ProductName).split(' ')[1]"
    )
    curl -OL "$RANCHER_REPO/releases/download/$RANCHER_CLI_VERSION/$RANCHER_DISTRO-$RANCHER_CLI_VERSION.zip"
    unzip -j "$RANCHER_DISTRO-$RANCHER_CLI_VERSION.zip"
    mkdir -p /c/programdata/rancher/bin
    mv -f rancher.exe /c/programdata/rancher/bin
    rm "$RANCHER_DISTRO-$RANCHER_CLI_VERSION.zip"

    ## install python
    command -v python >/dev/null 2>&1 || INSTALL_PYTHON=true
    if [[ $OPERATING_SYSTEM == MINGW* ]] && [[ $INSTALL_PYTHON == true ]]; then
        PYTHON_VERSION=$(echo ${PYTHON_VERSION_FULL%.*} | tr --delete .)

        while [[ "$INSTALL_PYTHON" != 'y' ]] && [[ "$INSTALL_PYTHON" != 'n' ]]
        do
            echo ''
            echo "Windows (MINGW*) installation for rancher-cli,"
            echo "depends on 'choco', and 'python'."
            echo ''
            echo '[Y]: install'
            echo '[N]: do not install'
            echo ''
            read -rp 'Proceed with installation: ' INSTALL_PYTHON
        done

        if [ "${INSTALL_PYTHON,,}" = 'y' ]; then
            powershell.exe -NoProfile -InputFormat None -ExecutionPolicy Bypass -Command "
                iex ((New-Object System.Net.WebClient).DownloadString('https://chocolatey.org/install.ps1'))
            "

            ## current process
            PATH="$PATH:/c/programdata/chocolatey/bin:/c/programdata/rancher/bin:/c/python$PYTHON_VERSION"

            ## successive processes
            setx PATH "%PATH%;C:\programdata\chocolatey\bin;C:\programdata\rancher\bin;C:\python$PYTHON_VERSION"

            ## install python
            choco install -f python --version "$PYTHON_VERSION_FULL"

        else
            echo 'terminating rancher installation...'
            exit 0
        fi
    fi

else
    echo ''
    echo 'Error: distro not known, please open an issue:'
    echo ''
    echo 'https://github.com/jeff1evesque/machine-learning/issues/new'
    echo ''
    exit 1
fi