757 lines
19 KiB
Bash
Executable File
757 lines
19 KiB
Bash
Executable File
#!/bin/sh
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#
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# This is the netdata uninstaller script
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#
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# Variables needed by script and taken from '.environment' file:
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# - NETDATA_PREFIX
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# - NETDATA_ADDED_TO_GROUPS
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#
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# Copyright: SPDX-License-Identifier: GPL-3.0-or-later
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#
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# Author: Paweł Krupa <paulfantom@gmail.com>
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# Author: Pavlos Emm. Katsoulakis <paul@netdata.cloud>
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#
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# Next unused error code: R0005
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usage="$(basename "$0") [-h] [-f ] -- program to calculate the answer to life, the universe and everything
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where:
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-e, --env path to environment file (defaults to '/etc/netdata/.environment'
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-f, --force force uninstallation and do not ask any questions
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-h show this help text
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-y, --yes flag needs to be set to proceed with uninstallation"
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FILE_REMOVAL_STATUS=0
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ENVIRONMENT_FILE="/etc/netdata/.environment"
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# shellcheck disable=SC2034
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INTERACTIVITY="-i"
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YES=0
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while :; do
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case "$1" in
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-h | --help)
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echo "$usage" >&2
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exit 1
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;;
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-f | --force)
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INTERACTIVITY="-f"
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shift
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;;
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-y | --yes)
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YES=1
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FLAG=-y
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shift
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;;
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-e | --env)
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ENVIRONMENT_FILE="$2"
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shift 2
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;;
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-*)
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echo "$usage" >&2
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exit 1
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;;
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*) break ;;
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esac
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done
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if [ -n "${script_source}" ]; then
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script_name="$(basename "${script_source}")"
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else
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script_name="netdata-uninstaller.sh"
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fi
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info() {
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echo >&2 "$(date) : INFO: ${script_name}: " "${1}"
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}
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error() {
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echo >&2 "$(date) : ERROR: ${script_name}: " "${1}"
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if [ -n "${NETDATA_SAVE_WARNINGS}" ]; then
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NETDATA_WARNINGS="${NETDATA_WARNINGS}\n - ${1}"
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fi
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}
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fatal() {
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echo >&2 "$(date) : FATAL: ${script_name}: FAILED TO UNINSTALL NETDATA: " "${1}"
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if [ -n "${NETDATA_SAVE_WARNINGS}" ]; then
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NETDATA_WARNINGS="${NETDATA_WARNINGS}\n - ${1}"
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fi
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exit_reason "${1}" "${2}"
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exit 1
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}
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exit_reason() {
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if [ -n "${NETDATA_SAVE_WARNINGS}" ]; then
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EXIT_REASON="${1}"
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EXIT_CODE="${2}"
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if [ -n "${NETDATA_PROPAGATE_WARNINGS}" ]; then
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export EXIT_REASON
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export EXIT_CODE
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export NETDATA_WARNINGS
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fi
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fi
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}
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if [ "$YES" != "1" ]; then
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echo >&2 "This script will REMOVE netdata from your system."
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echo >&2 "Run it again with --yes to do it."
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exit_reason "User did not accept uninstalling." R0001
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exit 1
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fi
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if [ "$(id -u)" -ne 0 ]; then
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error "This script SHOULD be run as root or otherwise it won't delete all installed components."
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key="n"
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read -r 1 -p "Do you want to continue as non-root user [y/n] ? " key
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if [ "$key" != "y" ] && [ "$key" != "Y" ]; then
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exit_reason "User cancelled uninstall." R0002
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exit 1
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fi
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fi
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user_input() {
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if [ "${INTERACTIVITY}" = "-i" ]; then
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TEXT="$1 [y/n]"
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while true; do
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echo "$TEXT"
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read -r yn
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case "$yn" in
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[Yy]*) return 0;;
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[Nn]*) return 1;;
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*) echo "Please answer yes or no.";;
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esac
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done
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fi
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}
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_cannot_use_tmpdir() {
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testfile="$(TMPDIR="${1}" mktemp -q -t netdata-test.XXXXXXXXXX)"
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ret=0
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if [ -z "${testfile}" ]; then
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return "${ret}"
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fi
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if printf '#!/bin/sh\necho SUCCESS\n' > "${testfile}"; then
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if chmod +x "${testfile}"; then
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if [ "$("${testfile}")" = "SUCCESS" ]; then
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ret=1
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fi
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fi
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fi
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rm -f "${testfile}"
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return "${ret}"
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}
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create_tmp_directory() {
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if [ -z "${TMPDIR}" ] || _cannot_use_tmpdir "${TMPDIR}"; then
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if _cannot_use_tmpdir /tmp; then
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if _cannot_use_tmpdir "${PWD}"; then
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fatal "Unable to find a usable temporary directory. Please set \$TMPDIR to a path that is both writable and allows execution of files and try again." R0003
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else
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TMPDIR="${PWD}"
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fi
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else
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TMPDIR="/tmp"
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fi
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fi
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mktemp -d -t netdata-kickstart-XXXXXXXXXX
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}
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tmpdir="$(create_tmp_directory)"
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detect_existing_install() {
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if pkg_installed netdata; then
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ndprefix="/"
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else
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if [ -n "${INSTALL_PREFIX}" ]; then
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searchpath="${INSTALL_PREFIX}/bin:${INSTALL_PREFIX}/sbin:${INSTALL_PREFIX}/usr/bin:${INSTALL_PREFIX}/usr/sbin:${PATH}"
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searchpath="${INSTALL_PREFIX}/netdata/bin:${INSTALL_PREFIX}/netdata/sbin:${INSTALL_PREFIX}/netdata/usr/bin:${INSTALL_PREFIX}/netdata/usr/sbin:${searchpath}"
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else
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searchpath="${PATH}"
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fi
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ndpath="$(PATH="${searchpath}" command -v netdata 2>/dev/null)"
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if [ -z "$ndpath" ] && [ -x /opt/netdata/bin/netdata ]; then
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ndpath="/opt/netdata/bin/netdata"
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fi
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if [ -n "${ndpath}" ]; then
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ndprefix="$(dirname "$(dirname "${ndpath}")")"
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fi
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if echo "${ndprefix}" | grep -Eq '/usr$'; then
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ndprefix="$(dirname "${ndprefix}")"
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fi
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fi
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if [ -n "${ndprefix}" ]; then
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typefile="${ndprefix}/etc/netdata/.install-type"
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envfile="${ndprefix}/etc/netdata/.environment"
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if [ -r "${typefile}" ]; then
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${ROOTCMD} sh -c "cat \"${typefile}\" > \"${tmpdir}/install-type\""
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# shellcheck disable=SC1090,SC1091
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. "${tmpdir}/install-type"
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else
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INSTALL_TYPE="unknown"
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fi
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if [ "${INSTALL_TYPE}" = "unknown" ] || [ "${INSTALL_TYPE}" = "custom" ]; then
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if [ -r "${envfile}" ]; then
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${ROOTCMD} sh -c "cat \"${envfile}\" > \"${tmpdir}/environment\""
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# shellcheck disable=SC1091
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. "${tmpdir}/environment"
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if [ -n "${NETDATA_IS_STATIC_INSTALL}" ]; then
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if [ "${NETDATA_IS_STATIC_INSTALL}" = "yes" ]; then
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INSTALL_TYPE="legacy-static"
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else
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INSTALL_TYPE="legacy-build"
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fi
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fi
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fi
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fi
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fi
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}
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pkg_installed() {
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case "${DISTRO_COMPAT_NAME}" in
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debian|ubuntu)
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dpkg-query --show --showformat '${Status}' "${1}" 2>&1 | cut -f 1 -d ' ' | grep -q '^install$'
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return $?
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;;
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centos|fedora|opensuse|ol)
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rpm -q "${1}" > /dev/null 2>&1
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return $?
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;;
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*)
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return 1
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;;
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esac
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}
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detect_existing_install
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if [ -x "$(command -v apt-get)" ] && [ "${INSTALL_TYPE}" = "binpkg-deb" ]; then
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if dpkg -s netdata > /dev/null; then
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echo "Found netdata native installation"
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if user_input "Do you want to remove netdata? "; then
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apt-get remove netdata ${FLAG}
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fi
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if dpkg -s netdata-repo-edge > /dev/null; then
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if user_input "Do you want to remove netdata-repo-edge? "; then
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apt-get remove netdata-repo-edge ${FLAG}
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fi
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fi
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if dpkg -s netdata-repo > /dev/null; then
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if user_input "Do you want to remove netdata-repo? "; then
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apt-get remove netdata-repo ${FLAG}
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fi
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fi
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exit 0
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fi
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elif [ -x "$(command -v dnf)" ] && [ "${INSTALL_TYPE}" = "binpkg-rpm" ]; then
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if rpm -q netdata > /dev/null; then
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echo "Found netdata native installation."
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if user_input "Do you want to remove netdata? "; then
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dnf remove netdata ${FLAG}
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fi
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if rpm -q netdata-repo-edge > /dev/null; then
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if user_input "Do you want to remove netdata-repo-edge? "; then
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dnf remove netdata-repo-edge ${FLAG}
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fi
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fi
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if rpm -q netdata-repo > /dev/null; then
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if user_input "Do you want to remove netdata-repo? "; then
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dnf remove netdata-repo ${FLAG}
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fi
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fi
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exit 0
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fi
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elif [ -x "$(command -v yum)" ] && [ "${INSTALL_TYPE}" = "binpkg-rpm" ]; then
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if rpm -q netdata > /dev/null; then
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echo "Found netdata native installation."
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if user_input "Do you want to remove netdata? "; then
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yum remove netdata ${FLAG}
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fi
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if rpm -q netdata-repo-edge > /dev/null; then
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if user_input "Do you want to remove netdata-repo-edge? "; then
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yum remove netdata-repo-edge ${FLAG}
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fi
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fi
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if rpm -q netdata-repo > /dev/null; then
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if user_input "Do you want to remove netdata-repo? "; then
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yum remove netdata-repo ${FLAG}
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fi
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fi
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exit 0
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fi
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elif [ -x "$(command -v zypper)" ] && [ "${INSTALL_TYPE}" = "binpkg-rpm" ]; then
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if [ "${FLAG}" = "-y" ]; then
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FLAG=-n
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fi
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if zypper search -i netdata > /dev/null; then
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echo "Found netdata native installation."
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if user_input "Do you want to remove netdata? "; then
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zypper ${FLAG} remove netdata
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fi
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if zypper search -i netdata-repo-edge > /dev/null; then
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if user_input "Do you want to remove netdata-repo-edge? "; then
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zypper ${FLAG} remove netdata-repo-edge
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fi
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fi
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if zypper search -i netdata-repo > /dev/null; then
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if user_input "Do you want to remove netdata-repo? "; then
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zypper ${FLAG} remove netdata-repo
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fi
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fi
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exit 0
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fi
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fi
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# -----------------------------------------------------------------------------
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# portable service command
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service_cmd="$(command -v service 2> /dev/null)"
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rcservice_cmd="$(command -v rc-service 2> /dev/null)"
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systemctl_cmd="$(command -v systemctl 2> /dev/null)"
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service() {
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cmd="${1}"
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action="${2}"
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if [ -n "${systemctl_cmd}" ]; then
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run "${systemctl_cmd}" "${action}" "${cmd}"
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return $?
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elif [ -n "${service_cmd}" ]; then
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run "${service_cmd}" "${cmd}" "${action}"
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return $?
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elif [ -n "${rcservice_cmd}" ]; then
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run "${rcservice_cmd}" "${cmd}" "${action}"
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return $?
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fi
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return 1
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}
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# -----------------------------------------------------------------------------
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setup_terminal() {
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TPUT_RESET=""
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TPUT_YELLOW=""
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TPUT_WHITE=""
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TPUT_BGRED=""
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TPUT_BGGREEN=""
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TPUT_BOLD=""
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TPUT_DIM=""
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# Is stderr on the terminal? If not, then fail
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test -t 2 || return 1
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if command -v tput 1> /dev/null 2>&1; then
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if [ $(($(tput colors 2> /dev/null))) -ge 8 ]; then
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# Enable colors
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TPUT_RESET="$(tput sgr 0)"
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TPUT_YELLOW="$(tput setaf 3)"
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TPUT_WHITE="$(tput setaf 7)"
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TPUT_BGRED="$(tput setab 1)"
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TPUT_BGGREEN="$(tput setab 2)"
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TPUT_BOLD="$(tput bold)"
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TPUT_DIM="$(tput dim)"
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fi
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fi
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return 0
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}
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setup_terminal || echo > /dev/null
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ESCAPED_PRINT_METHOD=
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if printf "%s " test > /dev/null 2>&1; then
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ESCAPED_PRINT_METHOD="printfq"
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fi
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escaped_print() {
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if [ "${ESCAPED_PRINT_METHOD}" = "printfq" ]; then
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printf "%s " "${@}"
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else
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printf "%s" "${*}"
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fi
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return 0
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}
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run_logfile="/dev/null"
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run() {
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user="${USER--}"
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dir="${PWD}"
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if [ "$(id -u)" = "0" ]; then
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info="[root ${dir}]# "
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info_console="[${TPUT_DIM}${dir}${TPUT_RESET}]# "
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else
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info="[${user} ${dir}]$ "
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info_console="[${TPUT_DIM}${dir}${TPUT_RESET}]$ "
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fi
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{
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printf "%s" "${info}"
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escaped_print "${@}"
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printf "%s" " ... "
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} >> "${run_logfile}"
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printf "%s" "${info_console}${TPUT_BOLD}${TPUT_YELLOW}" >&2
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escaped_print >&2 "${@}"
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printf "%s\n" "${TPUT_RESET}" >&2
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"${@}"
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ret=$?
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if [ ${ret} -ne 0 ]; then
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printf >&2 "%s FAILED %s\n\n" "${TPUT_BGRED}${TPUT_WHITE}${TPUT_BOLD}" "${TPUT_RESET}"
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printf >> "${run_logfile}" "FAILED with exit code %s\n" "${ret}"
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NETDATA_WARNINGS="${NETDATA_WARNINGS}\n - Command \"${*}\" failed with exit code ${ret}."
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else
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printf >&2 "%s OK %s\n\n" "${TPUT_BGGREEN}${TPUT_WHITE}${TPUT_BOLD}" "${TPUT_RESET}"
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printf >> "${run_logfile}" "OK\n"
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fi
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return ${ret}
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}
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portable_del_group() {
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groupname="${1}"
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# Check if group exist
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info "Removing ${groupname} user group ..."
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# Linux
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if command -v groupdel 1> /dev/null 2>&1; then
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if get_group "${groupname}" > /dev/null 2>&1; then
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run groupdel "${groupname}" && return 0
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else
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info "Group ${groupname} already removed in a previous step."
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return 0
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fi
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fi
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# mac OS
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if command -v dseditgroup 1> /dev/null 2>&1; then
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if dseditgroup -o read netdata 1> /dev/null 2>&1; then
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run dseditgroup -o delete "${groupname}" && return 0
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else
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info "Could not find group ${groupname}, nothing to do"
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return 0
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fi
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fi
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error "Group ${groupname} was not automatically removed, you might have to remove it manually"
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return 1
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}
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issystemd() {
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pids=''
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p=''
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myns=''
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ns=''
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systemctl=''
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# if the directory /lib/systemd/system OR /usr/lib/systemd/system (SLES 12.x) does not exit, it is not systemd
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if [ ! -d /lib/systemd/system ] && [ ! -d /usr/lib/systemd/system ]; then
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return 1
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fi
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# if there is no systemctl command, it is not systemd
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systemctl=$(command -v systemctl 2> /dev/null)
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if [ -z "${systemctl}" ] || [ ! -x "${systemctl}" ]; then
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return 1
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fi
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# if pid 1 is systemd, it is systemd
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[ "$(basename "$(readlink /proc/1/exe)" 2> /dev/null)" = "systemd" ] && return 0
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# if systemd is not running, it is not systemd
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pids=$(safe_pidof systemd 2> /dev/null)
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[ -z "${pids}" ] && return 1
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# check if the running systemd processes are not in our namespace
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myns="$(readlink /proc/self/ns/pid 2> /dev/null)"
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for p in ${pids}; do
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ns="$(readlink "/proc/${p}/ns/pid" 2> /dev/null)"
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# if pid of systemd is in our namespace, it is systemd
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[ -n "${myns}" ] && [ "${myns}" = "${ns}" ] && return 0
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done
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# else, it is not systemd
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return 1
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}
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portable_del_user() {
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username="${1}"
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info "Deleting ${username} user account ..."
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# Linux
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if command -v userdel 1> /dev/null 2>&1; then
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run userdel -f "${username}" && return 0
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fi
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# mac OS
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if command -v sysadminctl 1> /dev/null 2>&1; then
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run sysadminctl -deleteUser "${username}" && return 0
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fi
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error "User ${username} could not be deleted from system, you might have to remove it manually"
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return 1
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}
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portable_del_user_from_group() {
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groupname="${1}"
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username="${2}"
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# username is not in group
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info "Deleting ${username} user from ${groupname} group ..."
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# Linux
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if command -v gpasswd 1> /dev/null 2>&1; then
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run gpasswd -d "netdata" "${group}" && return 0
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fi
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# FreeBSD
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if command -v pw 1> /dev/null 2>&1; then
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run pw groupmod "${groupname}" -d "${username}" && return 0
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fi
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# BusyBox
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if command -v delgroup 1> /dev/null 2>&1; then
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run delgroup "${username}" "${groupname}" && return 0
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fi
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# mac OS
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if command -v dseditgroup 1> /dev/null 2>&1; then
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run dseditgroup -o delete -u "${username}" "${groupname}" && return 0
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fi
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error "Failed to delete user ${username} from group ${groupname} !"
|
|
return 1
|
|
}
|
|
|
|
quit_msg() {
|
|
echo
|
|
if [ "$FILE_REMOVAL_STATUS" -eq 0 ]; then
|
|
fatal "Failed to completely remove Netdata from this system." R0004
|
|
else
|
|
info "Netdata files were successfully removed from your system"
|
|
fi
|
|
}
|
|
|
|
rm_file() {
|
|
FILE="$1"
|
|
if [ -f "${FILE}" ]; then
|
|
if user_input "Do you want to delete this file '$FILE' ? "; then
|
|
run rm -v "${FILE}"
|
|
fi
|
|
fi
|
|
}
|
|
|
|
rm_dir() {
|
|
DIR="$1"
|
|
if [ -n "$DIR" ] && [ -d "$DIR" ]; then
|
|
if user_input "Do you want to delete this directory '$DIR' ? "; then
|
|
run rm -v -f -R "${DIR}"
|
|
fi
|
|
fi
|
|
}
|
|
|
|
safe_pidof() {
|
|
pidof_cmd="$(command -v pidof 2> /dev/null)"
|
|
if [ -n "${pidof_cmd}" ]; then
|
|
${pidof_cmd} "${@}"
|
|
return $?
|
|
else
|
|
ps -acxo pid,comm |
|
|
sed "s/^ *//g" |
|
|
grep netdata |
|
|
cut -d ' ' -f 1
|
|
return $?
|
|
fi
|
|
}
|
|
|
|
pidisnetdata() {
|
|
if [ -d /proc/self ]; then
|
|
if [ -z "$1" ] || [ ! -f "/proc/$1/stat" ]; then
|
|
return 1
|
|
fi
|
|
[ "$(cut -d '(' -f 2 "/proc/$1/stat" | cut -d ')' -f 1)" = "netdata" ] && return 0
|
|
return 1
|
|
fi
|
|
return 0
|
|
}
|
|
|
|
stop_netdata_on_pid() {
|
|
pid="${1}"
|
|
ret=0
|
|
count=0
|
|
|
|
pidisnetdata "${pid}" || return 0
|
|
|
|
info "Stopping netdata on pid ${pid} ..."
|
|
while [ -n "$pid" ] && [ ${ret} -eq 0 ]; do
|
|
if [ ${count} -gt 24 ]; then
|
|
error "Cannot stop the running netdata on pid ${pid}."
|
|
return 1
|
|
fi
|
|
|
|
count=$((count + 1))
|
|
|
|
pidisnetdata "${pid}" || ret=1
|
|
if [ ${ret} -eq 1 ]; then
|
|
break
|
|
fi
|
|
|
|
if [ ${count} -lt 12 ]; then
|
|
run kill "${pid}" 2> /dev/null
|
|
ret=$?
|
|
else
|
|
run kill -9 "${pid}" 2> /dev/null
|
|
ret=$?
|
|
fi
|
|
|
|
test ${ret} -eq 0 && printf >&2 "." && sleep 5
|
|
|
|
done
|
|
|
|
echo >&2
|
|
if [ ${ret} -eq 0 ]; then
|
|
error "SORRY! CANNOT STOP netdata ON PID ${pid} !"
|
|
return 1
|
|
fi
|
|
|
|
info "netdata on pid ${pid} stopped."
|
|
return 0
|
|
}
|
|
|
|
netdata_pids() {
|
|
p=''
|
|
ns=''
|
|
|
|
myns="$(readlink /proc/self/ns/pid 2> /dev/null)"
|
|
|
|
for p in \
|
|
$(cat /var/run/netdata.pid 2> /dev/null) \
|
|
$(cat /var/run/netdata/netdata.pid 2> /dev/null) \
|
|
$(safe_pidof netdata 2> /dev/null); do
|
|
ns="$(readlink "/proc/${p}/ns/pid" 2> /dev/null)"
|
|
|
|
if [ -z "${myns}" ] || [ -z "${ns}" ] || [ "${myns}" = "${ns}" ]; then
|
|
pidisnetdata "${p}" && echo "${p}"
|
|
fi
|
|
done
|
|
}
|
|
|
|
stop_all_netdata() {
|
|
p=''
|
|
stop_success=0
|
|
|
|
if [ "$(id -u)" -eq 0 ]; then
|
|
uname="$(uname 2> /dev/null)"
|
|
|
|
# Any of these may fail, but we need to not bail if they do.
|
|
if issystemd; then
|
|
if systemctl stop netdata; then
|
|
stop_success=1
|
|
sleep 5
|
|
fi
|
|
elif [ "${uname}" = "Darwin" ]; then
|
|
if launchctl stop netdata; then
|
|
stop_success=1
|
|
sleep 5
|
|
fi
|
|
elif [ "${uname}" = "FreeBSD" ]; then
|
|
if /etc/rc.d/netdata stop; then
|
|
stop_success=1
|
|
sleep 5
|
|
fi
|
|
else
|
|
if service netdata stop; then
|
|
stop_success=1
|
|
sleep 5
|
|
fi
|
|
fi
|
|
fi
|
|
|
|
if [ "$stop_success" = "0" ]; then
|
|
if [ -n "$(netdata_pids)" ] && [ -n "$(command -v netdatacli)" ]; then
|
|
netdatacli shutdown-agent
|
|
sleep 20
|
|
fi
|
|
|
|
for p in $(netdata_pids); do
|
|
# shellcheck disable=SC2086
|
|
stop_netdata_on_pid ${p}
|
|
done
|
|
fi
|
|
}
|
|
|
|
trap quit_msg EXIT
|
|
|
|
# shellcheck source=/dev/null
|
|
# shellcheck disable=SC1090
|
|
. "${ENVIRONMENT_FILE}" || exit 1
|
|
|
|
#### STOP NETDATA
|
|
info "Stopping a possibly running netdata..."
|
|
stop_all_netdata
|
|
|
|
#### REMOVE NETDATA FILES
|
|
rm_file /etc/logrotate.d/netdata
|
|
rm_file /etc/systemd/system/netdata.service
|
|
rm_file /lib/systemd/system/netdata.service
|
|
rm_file /usr/lib/systemd/system/netdata.service
|
|
rm_file /etc/systemd/system/netdata-updater.service
|
|
rm_file /lib/systemd/system/netdata-updater.service
|
|
rm_file /usr/lib/systemd/system/netdata-updater.service
|
|
rm_file /etc/systemd/system/netdata-updater.timer
|
|
rm_file /lib/systemd/system/netdata-updater.timer
|
|
rm_file /usr/lib/systemd/system/netdata-updater.timer
|
|
rm_file /etc/init.d/netdata
|
|
rm_file /etc/periodic/daily/netdata-updater
|
|
rm_file /etc/cron.daily/netdata-updater
|
|
rm_file /etc/cron.d/netdata-updater
|
|
|
|
|
|
if [ -n "${NETDATA_PREFIX}" ] && [ -d "${NETDATA_PREFIX}" ]; then
|
|
rm_dir "${NETDATA_PREFIX}"
|
|
else
|
|
rm_file "/usr/sbin/netdata"
|
|
rm_file "/usr/sbin/netdatacli"
|
|
rm_file "/tmp/netdata-ipc"
|
|
rm_file "/usr/sbin/netdata-claim.sh"
|
|
rm_dir "/usr/share/netdata"
|
|
rm_dir "/usr/libexec/netdata"
|
|
rm_dir "/var/lib/netdata"
|
|
rm_dir "/var/cache/netdata"
|
|
rm_dir "/var/log/netdata"
|
|
rm_dir "/etc/netdata"
|
|
fi
|
|
|
|
FILE_REMOVAL_STATUS=1
|
|
|
|
#### REMOVE NETDATA USER FROM ADDED GROUPS
|
|
if [ -n "$NETDATA_ADDED_TO_GROUPS" ]; then
|
|
if user_input "Do you want to delete 'netdata' from following groups: '$NETDATA_ADDED_TO_GROUPS' ? "; then
|
|
for group in $NETDATA_ADDED_TO_GROUPS; do
|
|
portable_del_user_from_group "${group}" "netdata"
|
|
done
|
|
fi
|
|
fi
|
|
|
|
#### REMOVE USER
|
|
if user_input "Do you want to delete 'netdata' system user ? "; then
|
|
portable_del_user "netdata" || :
|
|
fi
|
|
|
|
### REMOVE GROUP
|
|
if user_input "Do you want to delete 'netdata' system group ? "; then
|
|
portable_del_group "netdata" || :
|
|
fi
|