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Diffstat (limited to 'packaging/docker/run.sh')
| -rwxr-xr-x | packaging/docker/run.sh | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/packaging/docker/run.sh b/packaging/docker/run.sh new file mode 100755 index 00000000..41557332 --- /dev/null +++ b/packaging/docker/run.sh @@ -0,0 +1,120 @@ +#!/usr/bin/env bash +# +# Entry point script for netdata +# +# Copyright: 2018 and later Netdata Inc. +# SPDX-License-Identifier: GPL-3.0-or-later +# +# Author : Pavlos Emm. Katsoulakis <paul@netdata.cloud> +# Author : Austin S. Hemmelgarn <austin@netdata.cloud> +set -e + +if [ ! -w / ] && [ "${EUID}" -eq 0 ]; then + echo >&2 "WARNING: This Docker host appears to not properly support newer stat system calls. This is known to cause issues with Netdata (most notably, nodes running on such hosts **cannot be claimed**)." + echo >&2 "WARNING: For more information, see https://learn.netdata.cloud/docs/agent/claim#known-issues-on-older-hosts-with-seccomp-enabled" +fi + +if [ ! "${DISABLE_TELEMETRY:-0}" -eq 0 ] || + [ -n "$DISABLE_TELEMETRY" ] || + [ ! "${DO_NOT_TRACK:-0}" -eq 0 ] || + [ -n "$DO_NOT_TRACK" ]; then + touch /etc/netdata/.opt-out-from-anonymous-statistics +fi + +chmod o+rX / 2>/dev/null || echo "Unable to change permissions without errors." + +BALENA_PGID=$(stat -c %g /var/run/balena.sock 2>/dev/null || true) +DOCKER_PGID=$(stat -c %g /var/run/docker.sock 2>/dev/null || true) + +re='^[0-9]+$' +if [[ $BALENA_PGID =~ $re ]]; then + echo "Netdata detected balena-engine.sock" + DOCKER_HOST='/var/run/balena-engine.sock' + PGID="$BALENA_PGID" +elif [[ $DOCKER_PGID =~ $re ]]; then + echo "Netdata detected docker.sock" + DOCKER_HOST="/var/run/docker.sock" + PGID="$DOCKER_PGID" +fi +export PGID +export DOCKER_HOST + +if [ -n "${PGID}" ]; then + echo "Creating docker group ${PGID}" + addgroup --gid "${PGID}" "docker" || echo >&2 "Could not add group docker with ID ${PGID}, its already there probably" + echo "Assign netdata user to docker group ${PGID}" + usermod --append --groups "docker" "${DOCKER_USR}" || echo >&2 "Could not add netdata user to group docker with ID ${PGID}" +fi + +# Needed to read Proxmox VMs and (LXC) containers configuration files (name resolution + CPU and memory limits) +function add_netdata_to_proxmox_conf_files_group() { + group_guid="$(stat -c %g /host/etc/pve 2>/dev/null || true)" + [ -z "${group_guid}" ] && return + + if ! getent group "${group_guid}" >/dev/null; then + echo "Creating proxmox-etc-pve group with GID ${group_guid}" + if ! addgroup -g "${group_guid}" "proxmox-etc-pve"; then + echo >&2 "Failed to add group proxmox-etc-pve with GID ${group_guid}." + return + fi + fi + + if ! getent group "${group_guid}" | grep -q netdata; then + echo "Assign netdata user to group ${group_guid}" + if ! usermod -a -G "${group_guid}" "${DOCKER_USR}"; then + echo >&2 "Failed to add netdata user to group with GID ${group_guid}." + return + fi + fi +} + +if [ -d "/host/etc/pve" ]; then + add_netdata_to_proxmox_conf_files_group || true +fi + + +if mountpoint -q /etc/netdata; then + echo "Copying stock configuration to /etc/netdata" + cp -an /etc/netdata.stock/* /etc/netdata + cp -an /etc/netdata.stock/.[^.]* /etc/netdata +fi + +if [ -w "/etc/netdata" ]; then + if mountpoint -q /etc/netdata; then + hostname >/etc/netdata/.container-hostname + else + rm -f /etc/netdata/.container-hostname + fi +fi + +if [ -n "${NETDATA_CLAIM_URL}" ] && [ -n "${NETDATA_CLAIM_TOKEN}" ] && [ ! -f /var/lib/netdata/cloud.d/claimed_id ]; then + # shellcheck disable=SC2086 + /usr/sbin/netdata-claim.sh -token="${NETDATA_CLAIM_TOKEN}" \ + -url="${NETDATA_CLAIM_URL}" \ + ${NETDATA_CLAIM_ROOMS:+-rooms="${NETDATA_CLAIM_ROOMS}"} \ + ${NETDATA_CLAIM_PROXY:+-proxy="${NETDATA_CLAIM_PROXY}"} \ + ${NETDATA_EXTRA_CLAIM_OPTS} \ + -daemon-not-running +fi + +if [ -n "${NETDATA_EXTRA_APK_PACKAGES}" ]; then + echo >&2 "WARNING: Netdata’s Docker images have switched from Alpine to Debian as a base platform. Supplementary package support is now handled through the NETDATA_EXTRA_DEB_PACKAGES variable instead of NETDATA_EXTRA_APK_PACKAGES." + echo >&2 "WARNING: The container will still run, but supplementary packages listed in NETDATA_EXTRA_APK_PACKAGES will not be installed." + echo >&2 "WARNING: To remove these messages, either undefine NETDATA_EXTRA_APK_PACKAGES, or define it to an empty string." +fi + +if [ -n "${NETDATA_EXTRA_DEB_PACKAGES}" ]; then + echo "Fetching APT repository metadata." + if ! apt-get update; then + echo "Failed to fetch APT repository metadata." + else + echo "Installing supplementary packages." + export DEBIAN_FRONTEND="noninteractive" + # shellcheck disable=SC2086 + if ! apt-get install -y --no-install-recommends ${NETDATA_EXTRA_DEB_PACKAGES}; then + echo "Failed to install supplementary packages." + fi + fi +fi + +exec /usr/sbin/netdata -u "${DOCKER_USR}" -D -s /host -p "${NETDATA_LISTENER_PORT}" "$@" |