diff options
Diffstat (limited to 'packaging/installer/netdata-uninstaller.sh')
| -rwxr-xr-x | packaging/installer/netdata-uninstaller.sh | 114 |
1 files changed, 78 insertions, 36 deletions
diff --git a/packaging/installer/netdata-uninstaller.sh b/packaging/installer/netdata-uninstaller.sh index f2cc7b7c..45ec73fc 100755 --- a/packaging/installer/netdata-uninstaller.sh +++ b/packaging/installer/netdata-uninstaller.sh @@ -10,6 +10,8 @@ # # Author: Paweł Krupa <paulfantom@gmail.com> # Author: Pavlos Emm. Katsoulakis <paul@netdata.cloud> +# +# Next unused error code: R0005 usage="$(basename "$0") [-h] [-f ] -- program to calculate the answer to life, the universe and everything @@ -51,17 +53,57 @@ while :; do esac done +if [ -n "${script_source}" ]; then + script_name="$(basename "${script_source}")" +else + script_name="netdata-uninstaller.sh" +fi + +info() { + echo >&2 "$(date) : INFO: ${script_name}: " "${1}" +} + +error() { + echo >&2 "$(date) : ERROR: ${script_name}: " "${1}" + if [ -n "${NETDATA_SAVE_WARNINGS}" ]; then + NETDATA_WARNINGS="${NETDATA_WARNINGS}\n - ${1}" + fi +} + +fatal() { + echo >&2 "$(date) : FATAL: ${script_name}: FAILED TO UNINSTALL NETDATA: " "${1}" + if [ -n "${NETDATA_SAVE_WARNINGS}" ]; then + NETDATA_WARNINGS="${NETDATA_WARNINGS}\n - ${1}" + fi + exit_reason "${1}" "${2}" + exit 1 +} + +exit_reason() { + if [ -n "${NETDATA_SAVE_WARNINGS}" ]; then + EXIT_REASON="${1}" + EXIT_CODE="${2}" + if [ -n "${NETDATA_PROPAGATE_WARNINGS}" ]; then + export EXIT_REASON + export EXIT_CODE + export NETDATA_WARNINGS + fi + fi +} + if [ "$YES" != "1" ]; then echo >&2 "This script will REMOVE netdata from your system." echo >&2 "Run it again with --yes to do it." + exit_reason "User did not accept uninstalling." R0001 exit 1 fi if [ "$(id -u)" -ne 0 ]; then - echo >&2 "This script SHOULD be run as root or otherwise it won't delete all installed components." + error "This script SHOULD be run as root or otherwise it won't delete all installed components." key="n" read -r 1 -p "Do you want to continue as non-root user [y/n] ? " key if [ "$key" != "y" ] && [ "$key" != "Y" ]; then + exit_reason "User cancelled uninstall." R0002 exit 1 fi fi @@ -107,7 +149,7 @@ create_tmp_directory() { if [ -z "${TMPDIR}" ] || _cannot_use_tmpdir "${TMPDIR}"; then if _cannot_use_tmpdir /tmp; then if _cannot_use_tmpdir "${PWD}"; then - 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." F0400 + 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 else TMPDIR="${PWD}" fi @@ -325,14 +367,6 @@ setup_terminal() { } setup_terminal || echo > /dev/null -run_ok() { - printf >&2 "%s OK %s\n\n" "${TPUT_BGGREEN}${TPUT_WHITE}${TPUT_BOLD}" "${TPUT_RESET}" -} - -run_failed() { - printf >&2 "%s FAILED %s\n\n" "${TPUT_BGRED}${TPUT_WHITE}${TPUT_BOLD}" "${TPUT_RESET}" -} - ESCAPED_PRINT_METHOD= if printf "%s " test > /dev/null 2>&1; then ESCAPED_PRINT_METHOD="printfq" @@ -373,10 +407,11 @@ run() { ret=$? if [ ${ret} -ne 0 ]; then - run_failed + printf >&2 "%s FAILED %s\n\n" "${TPUT_BGRED}${TPUT_WHITE}${TPUT_BOLD}" "${TPUT_RESET}" printf >> "${run_logfile}" "FAILED with exit code %s\n" "${ret}" + NETDATA_WARNINGS="${NETDATA_WARNINGS}\n - Command \"${*}\" failed with exit code ${ret}." else - run_ok + printf >&2 "%s OK %s\n\n" "${TPUT_BGGREEN}${TPUT_WHITE}${TPUT_BOLD}" "${TPUT_RESET}" printf >> "${run_logfile}" "OK\n" fi @@ -387,14 +422,14 @@ portable_del_group() { groupname="${1}" # Check if group exist - echo >&2 "Removing ${groupname} user group ..." + info "Removing ${groupname} user group ..." # Linux if command -v groupdel 1> /dev/null 2>&1; then if grep -q "${groupname}" /etc/group; then run groupdel "${groupname}" && return 0 else - echo >&2 "Group ${groupname} already removed in a previous step." + info "Group ${groupname} already removed in a previous step." return 0 fi fi @@ -404,12 +439,12 @@ portable_del_group() { if dseditgroup -o read netdata 1> /dev/null 2>&1; then run dseditgroup -o delete "${groupname}" && return 0 else - echo >&2 "Could not find group ${groupname}, nothing to do" + info "Could not find group ${groupname}, nothing to do" return 0 fi fi - echo >&2 "Group ${groupname} was not automatically removed, you might have to remove it manually" + error "Group ${groupname} was not automatically removed, you might have to remove it manually" return 1 } @@ -453,7 +488,7 @@ issystemd() { portable_del_user() { username="${1}" - echo >&2 "Deleting ${username} user account ..." + info "Deleting ${username} user account ..." # Linux if command -v userdel 1> /dev/null 2>&1; then @@ -465,7 +500,7 @@ portable_del_user() { run sysadminctl -deleteUser "${username}" && return 0 fi - echo >&2 "User ${username} could not be deleted from system, you might have to remove it manually" + error "User ${username} could not be deleted from system, you might have to remove it manually" return 1 } @@ -474,7 +509,7 @@ portable_del_user_from_group() { username="${2}" # username is not in group - echo >&2 "Deleting ${username} user from ${groupname} group ..." + info "Deleting ${username} user from ${groupname} group ..." # Linux if command -v gpasswd 1> /dev/null 2>&1; then @@ -496,16 +531,16 @@ portable_del_user_from_group() { run dseditgroup -o delete -u "${username}" "${groupname}" && return 0 fi - echo >&2 "Failed to delete user ${username} from group ${groupname} !" + error "Failed to delete user ${username} from group ${groupname} !" return 1 } quit_msg() { echo if [ "$FILE_REMOVAL_STATUS" -eq 0 ]; then - echo >&2 "Something went wrong :(" + fatal "Failed to completely remove Netdata from this system." R0004 else - echo >&2 "Netdata files were successfully removed from your system" + info "Netdata files were successfully removed from your system" fi } @@ -513,7 +548,7 @@ rm_file() { FILE="$1" if [ -f "${FILE}" ]; then if user_input "Do you want to delete this file '$FILE' ? "; then - run rm -v "${FILE}" + run rm -v "${FILE}" fi fi } @@ -559,10 +594,10 @@ stop_netdata_on_pid() { pidisnetdata "${pid}" || return 0 - printf >&2 "Stopping netdata on pid %s ..." "${pid}" + info "Stopping netdata on pid ${pid} ..." while [ -n "$pid" ] && [ ${ret} -eq 0 ]; do if [ ${count} -gt 24 ]; then - echo >&2 "Cannot stop the running netdata on pid ${pid}." + error "Cannot stop the running netdata on pid ${pid}." return 1 fi @@ -587,11 +622,11 @@ stop_netdata_on_pid() { echo >&2 if [ ${ret} -eq 0 ]; then - echo >&2 "SORRY! CANNOT STOP netdata ON PID ${pid} !" + error "SORRY! CANNOT STOP netdata ON PID ${pid} !" return 1 fi - echo >&2 "netdata on pid ${pid} stopped." + info "netdata on pid ${pid} stopped." return 0 } @@ -615,6 +650,7 @@ netdata_pids() { stop_all_netdata() { p='' + stop_success=0 if [ "$(id -u)" -eq 0 ]; then uname="$(uname 2> /dev/null)" @@ -622,32 +658,38 @@ stop_all_netdata() { # Any of these may fail, but we need to not bail if they do. if issystemd; then if systemctl stop netdata; then + stop_success=1 sleep 5 fi elif [ "${uname}" = "Darwin" ]; then if launchctl stop netdata; then + stop_success=1 sleep 5 fi elif [ "${uname}" = "FreeBSD" ]; then if /etc/rc.d/netdata stop; then + stop_success=1 sleep 5 fi else if service netdata stop; then + stop_success=1 sleep 5 fi fi fi - if [ -n "$(netdata_pids)" ] && [ -n "$(command -v netdatacli)" ]; then - netdatacli shutdown-agent - sleep 20 - fi + if [ "$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 + for p in $(netdata_pids); do + # shellcheck disable=SC2086 + stop_netdata_on_pid ${p} + done + fi } trap quit_msg EXIT @@ -657,7 +699,7 @@ trap quit_msg EXIT . "${ENVIRONMENT_FILE}" || exit 1 #### STOP NETDATA -echo >&2 "Stopping a possibly running netdata..." +info "Stopping a possibly running netdata..." stop_all_netdata #### REMOVE NETDATA FILES |