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#!/usr/bin/env sh
# -------------------------------------------------------------------------------------------------
# detect the kernel
KERNEL_NAME="$(uname -s)"
KERNEL_VERSION="$(uname -r)"
ARCHITECTURE="$(uname -m)"
# -------------------------------------------------------------------------------------------------
# detect the virtualization
if [ -z "${VIRTUALIZATION}" ]; then
VIRTUALIZATION="unknown"
VIRT_DETECTION="none"
if [ -n "$(command -v systemd-detect-virt 2>/dev/null)" ]; then
VIRTUALIZATION="$(systemd-detect-virt -v)"
VIRT_DETECTION="systemd-detect-virt"
CONTAINER="$(systemd-detect-virt -c)"
CONT_DETECTION="systemd-detect-virt"
else
if grep -q "^flags.*hypervisor" /proc/cpuinfo 2>/dev/null; then
VIRTUALIZATION="hypervisor"
VIRT_DETECTION="/proc/cpuinfo"
elif [ -n "$(command -v dmidecode)" ]; then
# Virtualization detection from https://unix.stackexchange.com/questions/89714/easy-way-to-determine-virtualization-technology
# This only works as root
if dmidecode -s system-product-name 2>/dev/null | grep -q "VMware\|Virtual\|KVM\|Bochs"; then
VIRTUALIZATION="$(dmidecode -s system-product-name)"
VIRT_DETECTION="dmidecode"
fi
fi
fi
else
# Passed from outside - probably in docker run
VIRT_DETECTION="provided"
fi
# -------------------------------------------------------------------------------------------------
# detect containers with heuristics
CONTAINER="unknown"
CONT_DETECTION="none"
if [ "${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
# -------------------------------------------------------------------------------------------------
# detect the operating system
# Initially assume all OS detection values are for a container, these are moved later if we are bare-metal
CONTAINER_OS_DETECTION="unknown"
CONTAINER_NAME="unknown"
CONTAINER_VERSION="unknown"
CONTAINER_VERSION_ID="unknown"
CONTAINER_ID="unknown"
CONTAINER_ID_LIKE="unknown"
if [ "${KERNEL_NAME}" = "Darwin" ]; then
CONTAINER_ID=$(sw_vers -productName)
CONTAINER_ID_LIKE="mac"
CONTAINER_NAME="mac"
CONTAINER_VERSION=$(sw_vers -productVersion)
CONTAINER_OS_DETECTION="sw_vers"
elif [ "${KERNEL_NAME}" = "FreeBSD" ]; then
CONTAINER_ID="FreeBSD"
CONTAINER_ID_LIKE="FreeBSD"
CONTAINER_NAME="FreeBSD"
CONTAINER_OS_DETECTION="uname"
CONTAINER_VERSION=$(uname -r)
KERNEL_VERSION=$(uname -K)
else
if [ -f "/etc/os-release" ]; then
eval "$(grep -E "^(NAME|ID|ID_LIKE|VERSION|VERSION_ID)=" </etc/os-release | sed 's/^/CONTAINER_/')"
CONTAINER_OS_DETECTION="/etc/os-release"
fi
if [ "${NAME}" = "unknown" ] || [ "${VERSION}" = "unknown" ] || [ "${ID}" = "unknown" ]; then
if [ -f "/etc/lsb-release" ]; then
if [ "${OS_DETECTION}" = "unknown" ]; then
CONTAINER_OS_DETECTION="/etc/lsb-release"
else
CONTAINER_OS_DETECTION="Mixed"
fi
DISTRIB_ID="unknown"
DISTRIB_RELEASE="unknown"
DISTRIB_CODENAME="unknown"
eval "$(grep -E "^(DISTRIB_ID|DISTRIB_RELEASE|DISTRIB_CODENAME)=" </etc/lsb-release)"
if [ "${NAME}" = "unknown" ]; then CONTAINER_NAME="${DISTRIB_ID}"; fi
if [ "${VERSION}" = "unknown" ]; then CONTAINER_VERSION="${DISTRIB_RELEASE}"; fi
if [ "${ID}" = "unknown" ]; then CONTAINER_ID="${DISTRIB_CODENAME}"; fi
fi
if [ -n "$(command -v lsb_release 2>/dev/null)" ]; then
if [ "${OS_DETECTION}" = "unknown" ]; then
CONTAINER_OS_DETECTION="lsb_release"
else
CONTAINER_OS_DETECTION="Mixed"
fi
if [ "${NAME}" = "unknown" ]; then CONTAINER_NAME="$(lsb_release -is 2>/dev/null)"; fi
if [ "${VERSION}" = "unknown" ]; then CONTAINER_VERSION="$(lsb_release -rs 2>/dev/null)"; fi
if [ "${ID}" = "unknown" ]; then CONTAINER_ID="$(lsb_release -cs 2>/dev/null)"; fi
fi
fi
fi
# If Netdata is not running in a container then use the local detection as the host
HOST_OS_DETECTION="unknown"
HOST_NAME="unknown"
HOST_VERSION="unknown"
HOST_VERSION_ID="unknown"
HOST_ID="unknown"
HOST_ID_LIKE="unknown"
if [ "${CONTAINER}" = "unknown" ]; then
for v in NAME ID ID_LIKE VERSION VERSION_ID OS_DETECTION; do
eval "HOST_$v=\$CONTAINER_$v; CONTAINER_$v=none"
done
else
# Otherwise try and use a user-supplied bind-mount into the container to resolve the host details
if [ -e "/host/etc/os-release" ]; then
OS_DETECTION="/etc/os-release"
eval "$(grep -E "^(NAME|ID|ID_LIKE|VERSION|VERSION_ID)=" </host/etc/os-release | sed 's/^/HOST_/')"
HOST_OS_DETECTION="/host/etc/os-release"
fi
if [ "${HOST_NAME}" = "unknown" ] || [ "${HOST_VERSION}" = "unknown" ] || [ "${HOST_ID}" = "unknown" ]; then
if [ -f "/host/etc/lsb-release" ]; then
if [ "${HOST_OS_DETECTION}" = "unknown" ]; then
HOST_OS_DETECTION="/etc/lsb-release"
else
HOST_OS_DETECTION="Mixed"
fi
DISTRIB_ID="unknown"
DISTRIB_RELEASE="unknown"
DISTRIB_CODENAME="unknown"
eval "$(grep -E "^(DISTRIB_ID|DISTRIB_RELEASE|DISTRIB_CODENAME)=" </etc/lsb-release)"
if [ "${HOST_NAME}" = "unknown" ]; then HOST_NAME="${DISTRIB_ID}"; fi
if [ "${HOST_VERSION}" = "unknown" ]; then HOST_VERSION="${DISTRIB_RELEASE}"; fi
if [ "${HOST_ID}" = "unknown" ]; then HOST_ID="${DISTRIB_CODENAME}"; fi
fi
fi
fi
echo "NETDATA_CONTAINER_OS_NAME=${CONTAINER_NAME}"
echo "NETDATA_CONTAINER_OS_ID=${CONTAINER_ID}"
echo "NETDATA_CONTAINER_OS_ID_LIKE=${CONTAINER_ID_LIKE}"
echo "NETDATA_CONTAINER_OS_VERSION=${CONTAINER_VERSION}"
echo "NETDATA_CONTAINER_OS_VERSION_ID=${CONTAINER_VERSION_ID}"
echo "NETDATA_CONTAINER_OS_DETECTION=${CONTAINER_OS_DETECTION}"
echo "NETDATA_HOST_OS_NAME=${HOST_NAME}"
echo "NETDATA_HOST_OS_ID=${HOST_ID}"
echo "NETDATA_HOST_OS_ID_LIKE=${HOST_ID_LIKE}"
echo "NETDATA_HOST_OS_VERSION=${HOST_VERSION}"
echo "NETDATA_HOST_OS_VERSION_ID=${HOST_VERSION_ID}"
echo "NETDATA_HOST_OS_DETECTION=${HOST_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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