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#!/usr/bin/env sh
# -------------------------------------------------------------------------------------------------
# detect the kernel
KERNEL_NAME="$(uname -s)"
KERNEL_VERSION="$(uname -r)"
ARCHITECTURE="$(uname -m)"
# -------------------------------------------------------------------------------------------------
# detect the operating system
OS_DETECTION="unknown"
NAME="unknown"
VERSION="unknown"
VERSION_ID="unknown"
ID="unknown"
ID_LIKE="unknown"
if [ "${KERNEL_NAME}" = "Darwin" ]; then
# Mac OS
OIFS="$IFS"
IFS=$'\n'
set $(sw_vers) > /dev/null
NAME=$(echo $1 | tr "\n" ' ' | sed 's/ProductName:[ ]*//')
VERSION=$(echo $2 | tr "\n" ' ' | sed 's/ProductVersion:[ ]*//')
ID="mac"
ID_LIKE="mac"
OS_DETECTION="sw_vers"
IFS="$OIFS"
else
if [ -f "/etc/os-release" ]; then
OS_DETECTION="/etc/os-release"
eval "$(grep -E "^(NAME|ID|ID_LIKE|VERSION|VERSION_ID)=" </etc/os-release)"
fi
if [ "${NAME}" = "unknown" ] || [ "${VERSION}" = "unknown" ] || [ "${ID}" = "unknown" ]; then
if [ -f "/etc/lsb-release" ]; then
if [ "${OS_DETECTION}" = "unknown" ]; then OS_DETECTION="/etc/lsb-release"; else OS_DETECTION="Mixed"; fi
DISTRIB_ID="unknown"
DISTRIB_RELEASE="unknown"
DISTRIB_CODENAME="unknown"
eval "$(grep -E "^(DISTRIB_ID|DISTRIB_RELEASE|DISTRIB_CODENAME)=" </etc/lsb-release)"
if [ "${NAME}" = "unknown" ]; then NAME="${DISTRIB_ID}"; fi
if [ "${VERSION}" = "unknown" ]; then VERSION="${DISTRIB_RELEASE}"; fi
if [ "${ID}" = "unknown" ]; then ID="${DISTRIB_CODENAME}"; fi
elif [ -n "$(command -v lsb_release 2>/dev/null)" ]; then
if [ "${OS_DETECTION}" = "unknown" ]; then OS_DETECTION="lsb_release"; else OS_DETECTION="Mixed"; fi
if [ "${NAME}" = "unknown" ]; then NAME="$(lsb_release -is 2>/dev/null)"; fi
if [ "${VERSION}" = "unknown" ]; then VERSION="$(lsb_release -rs 2>/dev/null)"; fi
if [ "${ID}" = "unknown" ]; then ID="$(lsb_release -cs 2>/dev/null)"; fi
fi
fi
fi
# -------------------------------------------------------------------------------------------------
# detect the virtualization
VIRTUALIZATION="unknown"
VIRT_DETECTION="none"
CONTAINER="unknown"
CONT_DETECTION="none"
if [ -n "$(command -v systemd-detect-virt 2>/dev/null)" ]; then
VIRTUALIZATION="$(systemd-detect-virt -v)"
VIRT_DETECTION="systemd-detect-virt"
CONTAINER="$(systemd-detect-virt -c)"
CONT_DETECTION="systemd-detect-virt"
else
if grep -q "^flags.*hypervisor" /proc/cpuinfo 2>/dev/null; then
VIRTUALIZATION="hypervisor"
VIRT_DETECTION="/proc/cpuinfo"
fi
fi
# -------------------------------------------------------------------------------------------------
# detect containers with heuristics
if [ "${CONTAINER}" = "unknown" ]; then
if [ -f /proc/1/sched ] ; then
IFS='(, ' read -r process _ </proc/1/sched
if [ "${process}" = "netdata" ]; then
CONTAINER="container"
CONT_DETECTION="process"
fi
fi
# ubuntu and debian supply /bin/running-in-container
# https://www.apt-browse.org/browse/ubuntu/trusty/main/i386/upstart/1.12.1-0ubuntu4/file/bin/running-in-container
if /bin/running-in-container >/dev/null 2>&1; then
CONTAINER="container"
CONT_DETECTION="/bin/running-in-container"
fi
# lxc sets environment variable 'container'
#shellcheck disable=SC2154
if [ -n "${container}" ]; then
CONTAINER="lxc"
CONT_DETECTION="containerenv"
fi
# docker creates /.dockerenv
# http://stackoverflow.com/a/25518345
if [ -f "/.dockerenv" ]; then
CONTAINER="docker"
CONT_DETECTION="dockerenv"
fi
fi
echo "NETDATA_SYSTEM_OS_NAME=\"${NAME}\""
echo "NETDATA_SYSTEM_OS_ID=${ID}"
echo "NETDATA_SYSTEM_OS_ID_LIKE=${ID_LIKE}"
echo "NETDATA_SYSTEM_OS_VERSION=${VERSION}"
echo "NETDATA_SYSTEM_OS_VERSION_ID=${VERSION_ID}"
echo "NETDATA_SYSTEM_OS_DETECTION=${OS_DETECTION}"
echo "NETDATA_SYSTEM_KERNEL_NAME=${KERNEL_NAME}"
echo "NETDATA_SYSTEM_KERNEL_VERSION=${KERNEL_VERSION}"
echo "NETDATA_SYSTEM_ARCHITECTURE=${ARCHITECTURE}"
echo "NETDATA_SYSTEM_VIRTUALIZATION=${VIRTUALIZATION}"
echo "NETDATA_SYSTEM_VIRT_DETECTION=${VIRT_DETECTION}"
echo "NETDATA_SYSTEM_CONTAINER=${CONTAINER}"
echo "NETDATA_SYSTEM_CONTAINER_DETECTION=${CONT_DETECTION}"
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