forked from ungleich-public/ccollect
Fix shellcheck reported issues
This commit is contained in:
Darko Poljak
parent
74e3b26790
commit
2cefdaa1a5
1 changed files with 75 additions and 40 deletions
115
ccollect
115
ccollect
|
|
@ -27,9 +27,9 @@ set -u
|
|||
#
|
||||
# Standard variables (stolen from cconf)
|
||||
#
|
||||
__pwd="$(pwd -P)"
|
||||
__mydir="${0%/*}"; __abs_mydir="$(cd "$__mydir" && pwd -P)"
|
||||
__myname=${0##*/}; __abs_myname="$__abs_mydir/$__myname"
|
||||
__mydir="${0%/*}"
|
||||
__abs_mydir="$(cd "$__mydir" && pwd -P)"
|
||||
__myname=${0##*/}
|
||||
|
||||
#
|
||||
# where to find our configuration and temporary file
|
||||
|
|
@ -41,7 +41,8 @@ CPREEXEC="${CDEFAULTS}/pre_exec"
|
|||
CPOSTEXEC="${CDEFAULTS}/post_exec"
|
||||
CMARKER=".ccollect-marker"
|
||||
|
||||
export TMP="$(mktemp "/tmp/${__myname}.XXXXXX")"
|
||||
TMP="$(mktemp "/tmp/${__myname}.XXXXXX")"
|
||||
export TMP
|
||||
CONTROL_PIPE="/tmp/${__myname}-control-pipe"
|
||||
|
||||
VERSION="2.6"
|
||||
|
|
@ -76,6 +77,7 @@ LOCKFD=4
|
|||
lock_flock()
|
||||
{
|
||||
# $1 = source to backup
|
||||
# shellcheck disable=SC2059
|
||||
lockfile="${LOCKDIR}/$(printf "${LOCKFILE_PATTERN}" "$1")"
|
||||
eval "exec ${LOCKFD}> ${lockfile}"
|
||||
|
||||
|
|
@ -85,6 +87,7 @@ lock_flock()
|
|||
unlock_flock()
|
||||
{
|
||||
# $1 = source to backup
|
||||
# shellcheck disable=SC2059
|
||||
lockfile="${LOCKDIR}/$(printf "${LOCKFILE_PATTERN}" "$1")"
|
||||
eval "exec ${LOCKFD}>&-"
|
||||
rm -f "${lockfile}"
|
||||
|
|
@ -96,6 +99,7 @@ unlock_flock()
|
|||
lock_mkdir()
|
||||
{
|
||||
# $1 = source to backup
|
||||
# shellcheck disable=SC2059
|
||||
lockfile="${LOCKDIR}/$(printf "${LOCKFILE_PATTERN}" "$1")"
|
||||
|
||||
mkdir "${lockfile}" && return 0 || return 1
|
||||
|
|
@ -104,6 +108,7 @@ lock_mkdir()
|
|||
unlock_mkdir()
|
||||
{
|
||||
# $1 = source to backup
|
||||
# shellcheck disable=SC2059
|
||||
lockfile="${LOCKDIR}/$(printf "${LOCKFILE_PATTERN}" "$1")"
|
||||
|
||||
rmdir "${lockfile}"
|
||||
|
|
@ -112,7 +117,7 @@ unlock_mkdir()
|
|||
#
|
||||
# determine locking tool: flock or mkdir
|
||||
#
|
||||
if $(which flock > /dev/null 2>&1)
|
||||
if command -v flock > /dev/null 2>&1
|
||||
then
|
||||
lockf="lock_flock"
|
||||
unlockf="unlock_flock"
|
||||
|
|
@ -137,6 +142,7 @@ LOGONLYERRORS=""
|
|||
# catch signals
|
||||
#
|
||||
TRAPFUNC="rm -f \"${TMP}\""
|
||||
# shellcheck disable=SC2064
|
||||
trap "${TRAPFUNC}" 1 2 15
|
||||
|
||||
#
|
||||
|
|
@ -147,7 +153,7 @@ trap "${TRAPFUNC}" 1 2 15
|
|||
# see: http://www.tldp.org/LDP/abs/html/intandnonint.html
|
||||
_is_interactive()
|
||||
{
|
||||
[ -t 0 -o -p /dev/stdin ]
|
||||
[ -t 0 ] || [ -p /dev/stdin ]
|
||||
}
|
||||
|
||||
#
|
||||
|
|
@ -163,26 +169,26 @@ delete_from_file()
|
|||
# dirs for deletion will be moved to this trash dir inside destination dir
|
||||
# - for fast mv operation
|
||||
trash="$(mktemp -d ".trash.XXXXXX")"
|
||||
while read to_remove; do
|
||||
while read -r to_remove; do
|
||||
mv "${to_remove}" "${trash}" ||
|
||||
_exit_err "Moving ${to_remove} to ${trash} failed."
|
||||
set -- "$@" "${to_remove}"
|
||||
if [ "${suffix}" ]; then
|
||||
to_remove_no_suffix="$(echo ${to_remove} | sed "s/$suffix\$//")"
|
||||
to_remove_no_suffix="$(echo "${to_remove}" | sed "s/$suffix\$//")"
|
||||
mv "${to_remove_no_suffix}" "${trash}" ||
|
||||
_exit_err "Moving ${to_remove_no_suffix} to ${trash} failed."
|
||||
set -- "$@" "${to_remove_no_suffix}"
|
||||
fi
|
||||
done < "${file}"
|
||||
_techo "Removing $@ in ${trash}..."
|
||||
_techo "Removing $* in ${trash}..."
|
||||
empty_dir=".empty-dir"
|
||||
mkdir "${empty_dir}" || _exit_err "Empty directory ${empty_dir} cannot be created."
|
||||
[ "${VVERBOSE}" ] && echo "Starting: rsync -a --delete ${empty_dir} ${trash}"
|
||||
# rsync needs ending slash for directory content
|
||||
rsync -a --delete "${empty_dir}/" "${trash}/" || _exit_err "Removing $@ failed."
|
||||
rsync -a --delete "${empty_dir}/" "${trash}/" || _exit_err "Removing $* failed."
|
||||
rmdir "${trash}" || _exit_err "Removing ${trash} directory failed"
|
||||
rmdir "${empty_dir}" || _exit_err "Removing ${empty_dir} directory failed"
|
||||
_techo "Removing $@ in ${trash} finished."
|
||||
_techo "Removing $* in ${trash} finished."
|
||||
}
|
||||
|
||||
display_version()
|
||||
|
|
@ -232,7 +238,7 @@ unlock()
|
|||
# stdout version
|
||||
_techo_stdout()
|
||||
{
|
||||
echo "$(${DDATE}): $@"
|
||||
echo "$(${DDATE}): $*"
|
||||
}
|
||||
|
||||
# syslog version
|
||||
|
|
@ -260,14 +266,16 @@ _techo()
|
|||
{
|
||||
if [ "${LOGLEVEL}" = "a" ]
|
||||
then
|
||||
set -- ${name:+"[${name}]"} $@
|
||||
# name is exported before calling this function
|
||||
# shellcheck disable=SC2154
|
||||
set -- ${name:+"[${name}]"} "$@"
|
||||
"${_techof}" "$@"
|
||||
fi
|
||||
}
|
||||
|
||||
_techo_err()
|
||||
{
|
||||
_techo "Error: $@"
|
||||
_techo "Error: $*"
|
||||
}
|
||||
|
||||
_exit_err()
|
||||
|
|
@ -368,7 +376,7 @@ else
|
|||
LOGLEVEL="a"
|
||||
fi
|
||||
|
||||
if [ "${LOGFILE}" -o "${SYSLOG}" ]
|
||||
if [ "${LOGFILE}" ] || [ "${SYSLOG}" ]
|
||||
then
|
||||
if [ "${LOGONLYERRORS}" ]
|
||||
then
|
||||
|
|
@ -378,8 +386,7 @@ fi
|
|||
|
||||
# check that MAX_JOBS is natural number > 0
|
||||
# empty string means run all in parallel
|
||||
echo "${MAX_JOBS}" | grep -q -E '^[1-9][0-9]*$|^$'
|
||||
if [ "$?" -ne 0 ]
|
||||
if ! echo "${MAX_JOBS}" | grep -q -E '^[1-9][0-9]*$|^$'
|
||||
then
|
||||
_exit_err "Invalid max jobs value \"${MAX_JOBS}\""
|
||||
fi
|
||||
|
|
@ -412,19 +419,22 @@ if [ "${USE_ALL}" = 1 ]; then
|
|||
( cd "${CSOURCES}" && ls -1 > "${TMP}" ) || \
|
||||
_exit_err "Listing of sources failed. Aborting."
|
||||
|
||||
while read tmp; do
|
||||
eval export source_${no_sources}=\"${tmp}\"
|
||||
no_sources=$((${no_sources}+1))
|
||||
while read -r tmp; do
|
||||
eval export "source_${no_sources}=\"${tmp}\""
|
||||
no_sources=$((no_sources + 1))
|
||||
done < "${TMP}"
|
||||
else
|
||||
#
|
||||
# Get sources from command line
|
||||
#
|
||||
while [ "$#" -ge 1 ]; do
|
||||
eval arg=\"\$1\"; shift
|
||||
eval "arg=\"\$1\""
|
||||
shift
|
||||
|
||||
eval export source_${no_sources}=\"${arg}\"
|
||||
no_sources="$((${no_sources}+1))"
|
||||
# arg is assigned in the eval above
|
||||
# shellcheck disable=SC2154
|
||||
eval export "source_${no_sources}=\"${arg}\""
|
||||
no_sources="$((no_sources + 1))"
|
||||
done
|
||||
fi
|
||||
|
||||
|
|
@ -461,6 +471,7 @@ if [ "${PARALLEL}" ]; then
|
|||
# fd 5 is tied to control pipe
|
||||
eval "exec 5<>${CONTROL_PIPE}"
|
||||
TRAPFUNC="${TRAPFUNC}; rm -f \"${CONTROL_PIPE}\""
|
||||
# shellcheck disable=SC2064
|
||||
trap "${TRAPFUNC}" 0 1 2 15
|
||||
|
||||
# determine how much parallel jobs to prestart
|
||||
|
|
@ -483,7 +494,7 @@ while [ "${source_no}" -lt "${no_sources}" ]; do
|
|||
# Get current source
|
||||
#
|
||||
eval export name=\"\$source_${source_no}\"
|
||||
source_no=$((${source_no}+1))
|
||||
source_no=$((source_no + 1))
|
||||
|
||||
#
|
||||
# Start ourself, if we want parallel execution
|
||||
|
|
@ -498,12 +509,12 @@ while [ "${source_no}" -lt "${no_sources}" ]; do
|
|||
then
|
||||
# run prestart child if pending
|
||||
{ "$0" "${INTERVAL}" "${name}"; printf '\n' >&5; } &
|
||||
prestart=$((${prestart} - 1))
|
||||
prestart=$((prestart - 1))
|
||||
continue
|
||||
else
|
||||
# each time a child finishes we get a line from the pipe
|
||||
# and then launch another child
|
||||
while read line
|
||||
while read -r line
|
||||
do
|
||||
{ "$0" "${INTERVAL}" "${name}"; printf '\n' >&5; } &
|
||||
# get out of loop so we can contnue with main loop
|
||||
|
|
@ -557,6 +568,7 @@ while [ "${source_no}" -lt "${no_sources}" ]; do
|
|||
|
||||
# redefine trap to also unlock (rm lockfile)
|
||||
TRAPFUNC="${TRAPFUNC}; unlock \"${name}\""
|
||||
# shellcheck disable=SC2064
|
||||
trap "${TRAPFUNC}" 1 2 15
|
||||
|
||||
#
|
||||
|
|
@ -576,10 +588,10 @@ while [ "${source_no}" -lt "${no_sources}" ]; do
|
|||
for opt in verbose very_verbose summary exclude rsync_options \
|
||||
delete_incomplete rsync_failure_codes \
|
||||
mtime quiet_if_down ; do
|
||||
if [ -f "${backup}/${opt}" -o -f "${backup}/no_${opt}" ]; then
|
||||
eval c_$opt=\"${backup}/$opt\"
|
||||
if [ -f "${backup}/${opt}" ] || [ -f "${backup}/no_${opt}" ]; then
|
||||
eval "c_$opt=\"${backup}/$opt\""
|
||||
else
|
||||
eval c_$opt=\"${CDEFAULTS}/$opt\"
|
||||
eval "c_$opt=\"${CDEFAULTS}/$opt\""
|
||||
fi
|
||||
done
|
||||
|
||||
|
|
@ -599,6 +611,8 @@ while [ "${source_no}" -lt "${no_sources}" ]; do
|
|||
#
|
||||
# Sort by ctime (default) or mtime (configuration option)
|
||||
#
|
||||
# variable is assigned using eval
|
||||
# shellcheck disable=SC2154
|
||||
if [ -f "${c_mtime}" ] ; then
|
||||
TSORT="t"
|
||||
else
|
||||
|
|
@ -642,6 +656,8 @@ while [ "${source_no}" -lt "${no_sources}" ]; do
|
|||
#
|
||||
# Exclude list
|
||||
#
|
||||
# variable is assigned using eval
|
||||
# shellcheck disable=SC2154
|
||||
if [ -f "${c_exclude}" ]; then
|
||||
set -- "$@" "--exclude-from=${c_exclude}"
|
||||
fi
|
||||
|
|
@ -649,6 +665,8 @@ while [ "${source_no}" -lt "${no_sources}" ]; do
|
|||
#
|
||||
# Output a summary
|
||||
#
|
||||
# variable is assigned using eval
|
||||
# shellcheck disable=SC2154
|
||||
if [ -f "${c_summary}" ]; then
|
||||
set -- "$@" "--stats"
|
||||
fi
|
||||
|
|
@ -657,6 +675,8 @@ while [ "${source_no}" -lt "${no_sources}" ]; do
|
|||
# Verbosity for rsync, rm, and mkdir
|
||||
#
|
||||
VVERBOSE=""
|
||||
# variable is assigned using eval
|
||||
# shellcheck disable=SC2154
|
||||
if [ -f "${c_very_verbose}" ]; then
|
||||
set -- "$@" "-vv"
|
||||
VVERBOSE="-v"
|
||||
|
|
@ -667,8 +687,10 @@ while [ "${source_no}" -lt "${no_sources}" ]; do
|
|||
#
|
||||
# Extra options for rsync provided by the user
|
||||
#
|
||||
# variable is assigned using eval
|
||||
# shellcheck disable=SC2154
|
||||
if [ -f "${c_rsync_options}" ]; then
|
||||
while read line; do
|
||||
while read -r line; do
|
||||
# Trim line.
|
||||
ln=$(echo "${line}" | awk '{$1=$1;print;}')
|
||||
# Only if ln is non zero length string.
|
||||
|
|
@ -687,6 +709,8 @@ while [ "${source_no}" -lt "${no_sources}" ]; do
|
|||
# Check: source is up and accepting connections (before deleting old backups!)
|
||||
#
|
||||
if ! rsync "$@" "${source}" >/dev/null 2>"${TMP}" ; then
|
||||
# variable is assigned using eval
|
||||
# shellcheck disable=SC2154
|
||||
if [ ! -f "${c_quiet_if_down}" ]; then
|
||||
cat "${TMP}"
|
||||
fi
|
||||
|
|
@ -706,10 +730,13 @@ while [ "${source_no}" -lt "${no_sources}" ]; do
|
|||
#
|
||||
# Check incomplete backups (needs echo to remove newlines)
|
||||
#
|
||||
# shellcheck disable=SC2010
|
||||
ls -1 | grep "${CMARKER}\$" > "${TMP}"; ret=$?
|
||||
|
||||
if [ "$ret" -eq 0 ]; then
|
||||
_techo "Incomplete backups: $(echo $(cat "${TMP}"))"
|
||||
_techo "Incomplete backups: $(cat "${TMP}")"
|
||||
# variable is assigned using eval
|
||||
# shellcheck disable=SC2154
|
||||
if [ -f "${c_delete_incomplete}" ]; then
|
||||
delete_from_file "${TMP}" "${CMARKER}" &
|
||||
fi
|
||||
|
|
@ -718,12 +745,15 @@ while [ "${source_no}" -lt "${no_sources}" ]; do
|
|||
#
|
||||
# Include current time in name, not the time when we began to remove above
|
||||
#
|
||||
export destination_name="${INTERVAL}.$(${CDATE}).$$-${source_no}"
|
||||
export destination_dir="${ddir}/${destination_name}"
|
||||
destination_name="${INTERVAL}.$(${CDATE}).$$-${source_no}"
|
||||
export destination_name
|
||||
destination_dir="${ddir}/${destination_name}"
|
||||
export destination_dir
|
||||
|
||||
#
|
||||
# Check: maximum number of backups is reached?
|
||||
#
|
||||
# shellcheck disable=SC2010
|
||||
count="$(ls -1 | grep -c "^${INTERVAL}\\.")"
|
||||
|
||||
_techo "Existing backups: ${count} Total keeping backups: ${c_interval}"
|
||||
|
|
@ -731,6 +761,7 @@ while [ "${source_no}" -lt "${no_sources}" ]; do
|
|||
if [ "${count}" -ge "${c_interval}" ]; then
|
||||
# Use oldest directory as new backup destination directory.
|
||||
# It need not to be deleted, rsync will sync its content.
|
||||
# shellcheck disable=SC2010
|
||||
oldest_bak=$(ls -${TSORT}1r | grep "^${INTERVAL}\\." | head -n 1 || \
|
||||
_exit_err "Listing oldest backup failed")
|
||||
_techo "Using ${oldest_bak} for destination dir ${destination_dir}"
|
||||
|
|
@ -739,14 +770,15 @@ while [ "${source_no}" -lt "${no_sources}" ]; do
|
|||
touch "${destination_dir}"
|
||||
|
||||
# We have something to remove only if count > interval.
|
||||
remove="$((${count} - ${c_interval}))"
|
||||
remove="$((count - c_interval))"
|
||||
else
|
||||
_techo_err "Renaming oldest backup ${oldest_bak} to ${destination_dir} failed, removing it."
|
||||
remove="$((${count} - ${c_interval} + 1))"
|
||||
remove="$((count - c_interval + 1))"
|
||||
fi
|
||||
if [ "${remove}" -gt 0 ]; then
|
||||
_techo "Removing ${remove} backup(s)..."
|
||||
|
||||
# shellcheck disable=SC2010
|
||||
ls -${TSORT}1r | grep "^${INTERVAL}\\." | head -n "${remove}" > "${TMP}" || \
|
||||
_exit_err "Listing old backups failed"
|
||||
|
||||
|
|
@ -760,6 +792,7 @@ while [ "${source_no}" -lt "${no_sources}" ]; do
|
|||
# oldest existing destination directory.
|
||||
#
|
||||
dest_dir_name=$(basename "${destination_dir}")
|
||||
# shellcheck disable=SC2010
|
||||
last_dir="$(ls -${TSORT}p1 | grep '/$' | grep -v "${dest_dir_name}" | head -n 1)" || \
|
||||
_exit_err "Failed to list contents of ${ddir}."
|
||||
|
||||
|
|
@ -793,8 +826,10 @@ while [ "${source_no}" -lt "${no_sources}" ]; do
|
|||
# Check if rsync exit code indicates failure.
|
||||
#
|
||||
fail=""
|
||||
# variable is assigned using eval
|
||||
# shellcheck disable=SC2154
|
||||
if [ -f "$c_rsync_failure_codes" ]; then
|
||||
while read code ; do
|
||||
while read -r code ; do
|
||||
if [ "$ret" = "$code" ]; then
|
||||
fail=1
|
||||
fi
|
||||
|
|
@ -831,10 +866,10 @@ while [ "${source_no}" -lt "${no_sources}" ]; do
|
|||
# Time calculation
|
||||
#
|
||||
end_s="$(${SDATE})"
|
||||
full_seconds="$((${end_s} - ${begin_s}))"
|
||||
hours="$((${full_seconds} / 3600))"
|
||||
minutes="$(((${full_seconds} % 3600) / 60))"
|
||||
seconds="$((${full_seconds} % 60))"
|
||||
full_seconds="$((end_s - begin_s))"
|
||||
hours="$((full_seconds / 3600))"
|
||||
minutes="$(((full_seconds % 3600) / 60))"
|
||||
seconds="$((full_seconds % 60))"
|
||||
|
||||
_techo "Backup lasted: ${hours}:${minutes}:${seconds} (h:m:s)"
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue