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-rwxr-xr-xdaemon/system-info.sh406
1 files changed, 406 insertions, 0 deletions
diff --git a/daemon/system-info.sh b/daemon/system-info.sh
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+#!/usr/bin/env sh
+
+# -------------------------------------------------------------------------------------------------
+# detect the kernel
+
+KERNEL_NAME="$(uname -s)"
+KERNEL_VERSION="$(uname -r)"
+ARCHITECTURE="$(uname -m)"
+
+# -------------------------------------------------------------------------------------------------
+# detect the virtualization and possibly the container technology
+
+CONTAINER="unknown"
+CONT_DETECTION="none"
+
+if [ -z "${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)" ] && dmidecode -s system-product-name 2> /dev/null | grep -q "VMware\|Virtual\|KVM\|Bochs"; then
+ VIRTUALIZATION="$(dmidecode -s system-product-name)"
+ VIRT_DETECTION="dmidecode"
+ else
+ VIRTUALIZATION="none"
+ fi
+ fi
+ if [ -z "${VIRTUALIZATION}" ]; then
+ # Output from the command is outside of spec
+ VIRTUALIZATION="unknown"
+ fi
+else
+ # Passed from outside - probably in docker run
+ VIRT_DETECTION="provided"
+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 "${container}" ]; then
+ CONTAINER="lxc"
+ CONT_DETECTION="containerenv"
+ fi
+
+ # docker creates /.dockerenv
+ # http://stackoverflow.com/a/25518345
+ if [ -f "/.dockerenv" ]; then
+ CONTAINER="docker"
+ CONT_DETECTION="dockerenv"
+ fi
+
+fi
+
+# -------------------------------------------------------------------------------------------------
+# detect the operating system
+
+# Initially assume all OS detection values are for a container, these are moved later if we are bare-metal
+
+CONTAINER_OS_DETECTION="unknown"
+CONTAINER_NAME="unknown"
+CONTAINER_VERSION="unknown"
+CONTAINER_VERSION_ID="unknown"
+CONTAINER_ID="unknown"
+CONTAINER_ID_LIKE="unknown"
+
+if [ "${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
+
+ # shellcheck disable=SC2153
+ if [ "${CONTAINER_NAME}" = "unknown" ] || [ "${CONTAINER_VERSION}" = "unknown" ] || [ "${CONTAINER_ID}" = "unknown" ]; then
+ if [ -f "/etc/lsb-release" ]; then
+ if [ "${CONTAINER_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 "$(grep -E "^(DISTRIB_ID|DISTRIB_RELEASE|DISTRIB_CODENAME)=" < /etc/lsb-release)"
+ if [ "${CONTAINER_NAME}" = "unknown" ]; then CONTAINER_NAME="${DISTRIB_ID}"; fi
+ if [ "${CONTAINER_VERSION}" = "unknown" ]; then CONTAINER_VERSION="${DISTRIB_RELEASE}"; fi
+ if [ "${CONTAINER_ID}" = "unknown" ]; then CONTAINER_ID="${DISTRIB_CODENAME}"; fi
+ fi
+ if [ -n "$(command -v lsb_release 2> /dev/null)" ]; then
+ if [ "${CONTAINER_OS_DETECTION}" = "unknown" ]; then
+ CONTAINER_OS_DETECTION="lsb_release"
+ else
+ CONTAINER_OS_DETECTION="Mixed"
+ fi
+ if [ "${CONTAINER_NAME}" = "unknown" ]; then CONTAINER_NAME="$(lsb_release -is 2> /dev/null)"; fi
+ if [ "${CONTAINER_VERSION}" = "unknown" ]; then CONTAINER_VERSION="$(lsb_release -rs 2> /dev/null)"; fi
+ if [ "${CONTAINER_ID}" = "unknown" ]; then CONTAINER_ID="$(lsb_release -cs 2> /dev/null)"; fi
+ fi
+ fi
+fi
+
+# If Netdata is not running in a container then use the local detection as the host
+HOST_OS_DETECTION="unknown"
+HOST_NAME="unknown"
+HOST_VERSION="unknown"
+HOST_VERSION_ID="unknown"
+HOST_ID="unknown"
+HOST_ID_LIKE="unknown"
+
+# 'systemd-detect-virt' returns 'none' if there is no hardware/container virtualization.
+if [ "${CONTAINER}" = "unknown" ] || [ "${CONTAINER}" = "none" ]; then
+ for v in NAME ID ID_LIKE VERSION VERSION_ID OS_DETECTION; do
+ eval "HOST_$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
+
+# -------------------------------------------------------------------------------------------------
+# Detect information about the CPU
+
+LCPU_COUNT="unknown"
+CPU_MODEL="unknown"
+CPU_VENDOR="unknown"
+CPU_FREQ="unknown"
+CPU_INFO_SOURCE="none"
+
+possible_cpu_freq=""
+nproc="$(command -v nproc)"
+lscpu="$(command -v lscpu)"
+lscpu_output=""
+dmidecode="$(command -v dmidecode)"
+dmidecode_output=""
+
+if [ -n "${lscpu}" ] && lscpu > /dev/null 2>&1; then
+ lscpu_output="$(LC_NUMERIC=C ${lscpu} 2> /dev/null)"
+ CPU_INFO_SOURCE="lscpu"
+ LCPU_COUNT="$(echo "${lscpu_output}" | grep "^CPU(s):" | cut -f 2 -d ':' | sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//')"
+ CPU_VENDOR="$(echo "${lscpu_output}" | grep "^Vendor ID:" | cut -f 2 -d ':' | sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//')"
+ CPU_MODEL="$(echo "${lscpu_output}" | grep "^Model name:" | cut -f 2 -d ':' | sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//')"
+ possible_cpu_freq="$(echo "${lscpu_output}" | grep -F "CPU max MHz:" | cut -f 2 -d ':' | sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//' | grep -o '^[0-9]*') MHz"
+ if [ "${possible_cpu_freq}" = " MHz" ]; then
+ possible_cpu_freq="$(echo "${lscpu_output}" | grep -F "CPU MHz:" | cut -f 2 -d ':' | sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//' | grep -o '^[0-9]*') MHz"
+ fi
+elif [ -n "${dmidecode}" ] && dmidecode -t processor > /dev/null 2>&1; then
+ dmidecode_output="$(${dmidecode} -t processor 2> /dev/null)"
+ CPU_INFO_SOURCE="dmidecode"
+ LCPU_COUNT="$(echo "${dmidecode_output}" | grep -F "Thread Count:" | cut -f 2 -d ':' | sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//')"
+ CPU_VENDOR="$(echo "${dmidecode_output}" | grep -F "Manufacturer:" | cut -f 2 -d ':' | sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//')"
+ CPU_MODEL="$(echo "${dmidecode_output}" | grep -F "Version:" | cut -f 2 -d ':' | sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//')"
+ possible_cpu_freq="$(echo "${dmidecode_output}" | grep -F "Current Speed:" | cut -f 2 -d ':' | sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//')"
+else
+ if [ -n "${nproc}" ]; then
+ CPU_INFO_SOURCE="nproc"
+ LCPU_COUNT="$(${nproc})"
+ elif [ "${KERNEL_NAME}" = FreeBSD ]; then
+ CPU_INFO_SOURCE="sysctl"
+ LCPU_COUNT="$(sysctl -n kern.smp.cpus)"
+ elif [ -d /sys/devices/system/cpu ]; then
+ CPU_INFO_SOURCE="sysfs"
+ # This is potentially more accurate than checking `/proc/cpuinfo`.
+ LCPU_COUNT="$(find /sys/devices/system/cpu -mindepth 1 -maxdepth 1 -type d -name 'cpu*' | grep -cEv 'idle|freq')"
+ elif [ -r /proc/cpuinfo ]; then
+ CPU_INFO_SOURCE="procfs"
+ LCPU_COUNT="$(grep -c ^processor /proc/cpuinfo)"
+ fi
+
+ # If we have GNU uname, we can use that to get CPU info (probably).
+ if uname --version 2> /dev/null | grep -qF 'GNU coreutils'; then
+ CPU_INFO_SOURCE="${CPU_INFO_SOURCE} uname"
+ CPU_MODEL="$(uname -p)"
+ CPU_VENDOR="$(uname -i)"
+ elif [ "${KERNEL_NAME}" = FreeBSD ]; then
+ if (echo "${CPU_INFO_SOURCE}" | grep -qv sysctl); then
+ CPU_INFO_SOURCE="${CPU_INFO_SOURCE} sysctl"
+ fi
+
+ CPU_MODEL="$(sysctl -n hw.model)"
+ elif [ -r /proc/cpuinfo ]; then
+ if (echo "${CPU_INFO_SOURCE}" | grep -qv procfs); then
+ CPU_INFO_SOURCE="${CPU_INFO_SOURCE} procfs"
+ fi
+
+ CPU_MODEL="$(grep -F "model name" /proc/cpuinfo | head -n 1 | cut -f 2 -d ':' | sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//')"
+ CPU_VENDOR="$(grep -F "vendor_id" /proc/cpuinfo | head -n 1 | cut -f 2 -d ':' | sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//')"
+ fi
+fi
+
+if [ -r /sys/devices/system/cpu/cpu0/cpufreq/base_frequency ]; then
+ if (echo "${CPU_INFO_SOURCE}" | grep -qv sysfs); then
+ CPU_INFO_SOURCE="${CPU_INFO_SOURCE} sysfs"
+ fi
+
+ CPU_FREQ="$(cat /sys/devices/system/cpu/cpu0/cpufreq/base_frequency)"
+elif [ -n "${possible_cpu_freq}" ]; then
+ CPU_FREQ="${possible_cpu_freq}"
+elif [ -r /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq ]; then
+ if (echo "${CPU_INFO_SOURCE}" | grep -qv sysfs); then
+ CPU_INFO_SOURCE="${CPU_INFO_SOURCE} sysfs"
+ fi
+
+ CPU_FREQ="$(cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq)"
+fi
+
+freq_units="$(echo "${CPU_FREQ}" | cut -f 2 -d ' ')"
+
+case "${freq_units}" in
+ GHz)
+ value="$(echo "${CPU_FREQ}" | cut -f 1 -d ' ')"
+ CPU_FREQ="$((value * 1000 * 1000 * 1000))"
+ ;;
+ MHz)
+ value="$(echo "${CPU_FREQ}" | cut -f 1 -d ' ')"
+ CPU_FREQ="$((value * 1000 * 1000))"
+ ;;
+ KHz)
+ value="$(echo "${CPU_FREQ}" | cut -f 1 -d ' ')"
+ CPU_FREQ="$((value * 1000))"
+ ;;
+ *) ;;
+
+esac
+
+# -------------------------------------------------------------------------------------------------
+# Detect the total system RAM
+
+TOTAL_RAM="unknown"
+RAM_DETECTION="none"
+
+if [ "${KERNEL_NAME}" = FreeBSD ]; then
+ RAM_DETECTION="sysctl"
+ TOTAL_RAM="$(sysctl -n hw.physmem)"
+elif [ "${KERNEL_NAME}" = Darwin ]; then
+ RAM_DETECTION="sysctl"
+ TOTAL_RAM="$(sysctl -n hw.physmem)"
+elif [ -r /proc/meminfo ]; then
+ RAM_DETECTION="procfs"
+ TOTAL_RAM="$(grep -F MemTotal /proc/meminfo | cut -f 2 -d ':' | sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//' | cut -f 1 -d ' ')"
+ TOTAL_RAM="$((TOTAL_RAM * 1024))"
+fi
+
+# -------------------------------------------------------------------------------------------------
+# Detect the total system disk space
+
+DISK_SIZE="unknown"
+DISK_DETECTION="none"
+
+if [ "${KERNEL_NAME}" = "Darwin" ]; then
+ types='hfs'
+
+ if (lsvfs | grep -q apfs); then
+ types="${types},apfs"
+ fi
+
+ if (lsvfs | grep -q ufs); then
+ types="${types},ufs"
+ fi
+
+ DISK_DETECTION="df"
+ DISK_SIZE=$(($(/bin/df -k -t ${types} | tail -n +2 | sed -E 's/\/dev\/disk([[:digit:]]*)s[[:digit:]]*/\/dev\/disk\1/g' | sort -k 1 | awk -F ' ' '{s=$NF;for(i=NF-1;i>=1;i--)s=s FS $i;print s}' | uniq -f 9 | awk '{print $8}' | tr '\n' '+' | rev | cut -f 2- -d '+' | rev) * 1024))
+elif [ "${KERNEL_NAME}" = FreeBSD ]; then
+ types='ufs'
+
+ if (lsvfs | grep -q zfs); then
+ types="${types},zfs"
+ fi
+
+ DISK_DETECTION="df"
+ total="$(df -t ${types} -c -k | tail -n 1 | awk '{print $2}')"
+ DISK_SIZE="$((total * 1024))"
+else
+ if [ -d /sys/block ] && [ -r /proc/devices ]; then
+ dev_major_whitelist=''
+
+ # This is a list of device names used for block storage devices.
+ # These translate to the prefixs of files in `/dev` indicating the device type.
+ # They are sorted by lowest used device major number, with dynamically assigned ones at the end.
+ # We use this to look up device major numbers in `/proc/devices`
+ device_names='hd sd mfm ad ftl pd nftl dasd intfl mmcblk ub xvd rfd vbd nvme'
+
+ for name in ${device_names}; do
+ if grep -qE " ${name}\$" /proc/devices; then
+ dev_major_whitelist="${dev_major_whitelist}:$(grep -E "${name}\$" /proc/devices | sed -e 's/^[[:space:]]*//' | cut -f 1 -d ' ' | tr '\n' ':'):"
+ fi
+ done
+
+ DISK_DETECTION="sysfs"
+ DISK_SIZE="0"
+ for disk in /sys/block/*; do
+ if [ -r "${disk}/size" ] \
+ && (echo "${dev_major_whitelist}" | grep -q ":$(cut -f 1 -d ':' "${disk}/dev"):") \
+ && grep -qv 1 "${disk}/removable"; then
+ size="$(($(cat "${disk}/size") * 512))"
+ DISK_SIZE="$((DISK_SIZE + size))"
+ fi
+ done
+ elif df --version 2> /dev/null | grep -qF "GNU coreutils"; then
+ DISK_DETECTION="df"
+ DISK_SIZE=$(($(df -x tmpfs -x devtmpfs -x squashfs -l -B1 --output=source,size | tail -n +2 | sort -u -k 1 | awk '{print $2}' | tr '\n' '+' | head -c -1)))
+ else
+ DISK_DETECTION="df"
+ include_fs_types="ext*|btrfs|xfs|jfs|reiser*|zfs"
+ DISK_SIZE=$(($(df -T -P | tail -n +2 | sort -u -k 1 | grep "${include_fs_types}" | awk '{print $3}' | tr '\n' '+' | head -c -1) * 1024))
+ fi
+fi
+
+# -------------------------------------------------------------------------------------------------
+# Detect whether the node is kubernetes node
+
+HOST_IS_K8S_NODE="false"
+
+if [ -n "${KUBERNETES_SERVICE_HOST}" ] && [ -n "${KUBERNETES_SERVICE_PORT}" ]; then
+ # These env vars are set for every container managed by k8s.
+ HOST_IS_K8S_NODE="true"
+elif pgrep "kubelet"; then
+ # The kubelet is the primary "node agent" that runs on each node.
+ HOST_IS_K8S_NODE="true"
+fi
+
+echo "NETDATA_CONTAINER_OS_NAME=${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=${HOST_OS_DETECTION}"
+echo "NETDATA_HOST_IS_K8S_NODE=${HOST_IS_K8S_NODE}"
+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=${CONT_DETECTION}"
+echo "NETDATA_SYSTEM_CPU_LOGICAL_CPU_COUNT=${LCPU_COUNT}"
+echo "NETDATA_SYSTEM_CPU_VENDOR=${CPU_VENDOR}"
+echo "NETDATA_SYSTEM_CPU_MODEL=${CPU_MODEL}"
+echo "NETDATA_SYSTEM_CPU_FREQ=${CPU_FREQ}"
+echo "NETDATA_SYSTEM_CPU_DETECTION=${CPU_INFO_SOURCE}"
+echo "NETDATA_SYSTEM_TOTAL_RAM=${TOTAL_RAM}"
+echo "NETDATA_SYSTEM_RAM_DETECTION=${RAM_DETECTION}"
+echo "NETDATA_SYSTEM_TOTAL_DISK_SIZE=${DISK_SIZE}"
+echo "NETDATA_SYSTEM_DISK_DETECTION=${DISK_DETECTION}"