hestiacp/func/osal.sh

#!/bin/sh

# Identifies OS type and variant
# Setups variables and provides OS-agnostic wrapper functions

OS_TYPE=$(grep "^ID=" /etc/os-release | cut -f 2 -d '=' | sed -e 's/^"//' -e 's/"$//')
case "$OS_TYPE" in
debian|Debian)
    OS_BASE='debian'
    OS_VERSION=$(cat /etc/debian_version|grep -o "[0-9]\{1,2\}"|head -n1)
    ;;
ubuntu|Ubuntu)
    OS_BASE='debian'
    OS_VERSION="$(lsb_release -s -r)"
    ;;
centos|CentOS|rhel|RHEL|fedora|Fedora|RedHat)
    OS_BASE='rhel'
    OS_VERSION=$(cat /etc/os-release | grep VERSION_ID | sed -e "s/VERSION_ID=//" | sed -e 's/^"//' -e 's/"$//')
    ;;
*)
    OS_BASE='unknown'
    ;;
esac

OSAL_PATH="$(cd "$(dirname "$BASH_SOURCE")" >/dev/null 2>&1 ; pwd -P)"

for OSAL_FILE in "osal_${OS_BASE}_based" \
                 "osal_${OS_TYPE}" \
                 "osal_${OS_TYPE}_${OS_VERSION}"
do
    # Search for OS specific OSAL file and source it
    if [ -f "$OSAL_PATH/${OSAL_FILE}.sh" ]; then
        source "$OSAL_PATH/${OSAL_FILE}.sh"
    fi
done

# VAR = $(ini_get 'file' 'section' 'param' 'newvalue')
ini_get() {
    /usr/bin/crudini --get "$@"
}

# ini_set 'file' 'section' 'param' 'newvalue'
ini_set() {
    /usr/bin/crudini --set "$@"
}

execute_with_spinner() {
    if [ "$OSAL_DEBUG" ]; then
        echo "$@"
        $@
    else
        $@ > /dev/null 2>&1 &
        BACK_PID=$!

        spinner="/-\|"
        spin_i=1
        while kill -0 $BACK_PID > /dev/null 2>&1 ; do
            printf "\b${spinner:spin_i++%${#spinner}:1}"
            sleep 0.5
        done

        # Do a blank echo to get the \n back
        echo
    fi
}