Nico Schottelius
GitHub
commit
fe911dfcaa
4 changed files with 96 additions and 14 deletions
85
ccollect
85
ccollect
|
|
@ -41,6 +41,8 @@ CPOSTEXEC="${CDEFAULTS}/post_exec"
|
|||
CMARKER=".ccollect-marker"
|
||||
|
||||
export TMP="$(mktemp "/tmp/${__myname}.XXXXXX")"
|
||||
CONTROL_PIPE="/tmp/${__myname}-control-pipe"
|
||||
|
||||
VERSION="1.0"
|
||||
RELEASE="2015-10-10"
|
||||
HALF_VERSION="ccollect ${VERSION}"
|
||||
|
|
@ -59,7 +61,10 @@ SDATE="date +%s"
|
|||
# Locking is done for each source so that only one instance per source
|
||||
# can run.
|
||||
#
|
||||
LOCKDIR="${CSOURCES}"
|
||||
# Use CCOLLECT_CONF directory for lock files.
|
||||
# This directory can be set arbitrary so it is writable for user
|
||||
# executing ccollect.
|
||||
LOCKDIR="${CCOLLECT_CONF}"
|
||||
# printf pattern: ccollect_<source>.lock
|
||||
LOCKFILE_PATTERN="ccollect_%s.lock"
|
||||
LOCKFD=4
|
||||
|
|
@ -119,6 +124,7 @@ fi
|
|||
# unset values
|
||||
#
|
||||
PARALLEL=""
|
||||
MAX_JOBS=""
|
||||
USE_ALL=""
|
||||
|
||||
#
|
||||
|
|
@ -187,7 +193,9 @@ ${__myname}: [args] <interval name> <sources to backup>
|
|||
|
||||
-h, --help: Show this help screen
|
||||
-a, --all: Backup all sources specified in ${CSOURCES}
|
||||
-p, --parallel: Parallelise backup processes
|
||||
-j [max], --jobs [max] Specifies the number of jobs to run simultaneously.
|
||||
If max is not specified then parallelise all jobs.
|
||||
-p, --parallel: Parallelise backup processes (deprecated from 2.0)
|
||||
-v, --verbose: Be very verbose (uses set -x)
|
||||
-V, --version: Print version information
|
||||
|
||||
|
|
@ -219,7 +227,24 @@ while [ "$#" -ge 1 ]; do
|
|||
USE_ALL=1
|
||||
;;
|
||||
-p|--parallel)
|
||||
_techo "Warning: -p, --parallel option is deprecated," \
|
||||
"use -j, --jobs instead."
|
||||
PARALLEL=1
|
||||
MAX_JOBS=""
|
||||
;;
|
||||
-j|--jobs)
|
||||
PARALLEL=1
|
||||
if [ "$#" -ge 2 ]
|
||||
then
|
||||
case "$2" in
|
||||
-*)
|
||||
;;
|
||||
*)
|
||||
MAX_JOBS=$2
|
||||
shift
|
||||
;;
|
||||
esac
|
||||
fi
|
||||
;;
|
||||
-v|--verbose)
|
||||
set -x
|
||||
|
|
@ -242,6 +267,14 @@ while [ "$#" -ge 1 ]; do
|
|||
shift
|
||||
done
|
||||
|
||||
# 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 ]
|
||||
then
|
||||
_exit_err "Invalid max jobs value \"${MAX_JOBS}\""
|
||||
fi
|
||||
|
||||
#
|
||||
# Setup interval
|
||||
#
|
||||
|
|
@ -310,6 +343,26 @@ fi
|
|||
#
|
||||
# Let's do the backup - here begins the real stuff
|
||||
#
|
||||
|
||||
# in PARALLEL mode:
|
||||
# * create control pipe
|
||||
# * determine number of jobs to start at once
|
||||
if [ "${PARALLEL}" ]; then
|
||||
mkfifo "${CONTROL_PIPE}"
|
||||
# fd 5 is tied to control pipe
|
||||
eval "exec 5<>${CONTROL_PIPE}"
|
||||
TRAPFUNC="${TRAPFUNC}; rm -f \"${CONTROL_PIPE}\""
|
||||
trap "${TRAPFUNC}" 0 1 2 15
|
||||
|
||||
# determine how much parallel jobs to prestart
|
||||
if [ "${MAX_JOBS}" ] && [ "${MAX_JOBS}" -le "${no_sources}" ]
|
||||
then
|
||||
prestart="${MAX_JOBS}"
|
||||
else
|
||||
prestart=0
|
||||
fi
|
||||
fi
|
||||
|
||||
source_no=0
|
||||
while [ "${source_no}" -lt "${no_sources}" ]; do
|
||||
#
|
||||
|
|
@ -322,8 +375,29 @@ while [ "${source_no}" -lt "${no_sources}" ]; do
|
|||
# Start ourself, if we want parallel execution
|
||||
#
|
||||
if [ "${PARALLEL}" ]; then
|
||||
if [ ! "${MAX_JOBS}" ]
|
||||
then
|
||||
# run all in parallel
|
||||
"$0" "${INTERVAL}" "${name}" &
|
||||
continue
|
||||
elif [ "${prestart}" -gt 0 ]
|
||||
then
|
||||
# run prestart child if pending
|
||||
{ "$0" "${INTERVAL}" "${name}"; printf '\n' >&5; } &
|
||||
prestart=$((${prestart} - 1))
|
||||
continue
|
||||
else
|
||||
# each time a child finishes we get a line from the pipe
|
||||
# and then launch another child
|
||||
while read line
|
||||
do
|
||||
{ "$0" "${INTERVAL}" "${name}"; printf '\n' >&5; } &
|
||||
# get out of loop so we can contnue with main loop
|
||||
# for next source
|
||||
break
|
||||
done <&5
|
||||
continue
|
||||
fi
|
||||
fi
|
||||
|
||||
#
|
||||
|
|
@ -368,7 +442,7 @@ while [ "${source_no}" -lt "${no_sources}" ]; do
|
|||
lock "${name}"
|
||||
|
||||
# redefine trap to also unlock (rm lockfile)
|
||||
TRAPFUNC="${TRAPFUNC} && unlock \"${name}\""
|
||||
TRAPFUNC="${TRAPFUNC}; unlock \"${name}\""
|
||||
trap "${TRAPFUNC}" 1 2 15
|
||||
|
||||
#
|
||||
|
|
@ -620,15 +694,19 @@ while [ "${source_no}" -lt "${no_sources}" ]; do
|
|||
seconds="$((${full_seconds} % 60))"
|
||||
|
||||
_techo "Backup lasted: ${hours}:${minutes}:${seconds} (h:m:s)"
|
||||
|
||||
unlock "${name}"
|
||||
) | add_name
|
||||
done
|
||||
|
||||
#
|
||||
# Be a good parent and wait for our children, if they are running wild parallel
|
||||
# After all children are finished then remove control pipe.
|
||||
#
|
||||
if [ "${PARALLEL}" ]; then
|
||||
_techo "Waiting for children to complete..."
|
||||
wait
|
||||
rm -f "${CONTROL_PIPE}"
|
||||
fi
|
||||
|
||||
#
|
||||
|
|
@ -645,5 +723,4 @@ if [ -x "${CPOSTEXEC}" ]; then
|
|||
fi
|
||||
|
||||
rm -f "${TMP}"
|
||||
unlock "${name}"
|
||||
_techo "Finished"
|
||||
|
|
|
|||
|
|
@ -1189,12 +1189,12 @@ rsync -av -H --delete /mnt/archiv/ "$DDIR/archiv/"
|
|||
-------------------------------------------------------------------------
|
||||
|
||||
|
||||
Processes running when doing ccollect -p
|
||||
Processes running when doing ccollect -j
|
||||
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
||||
Truncated output from `ps axuwwwf`:
|
||||
|
||||
-------------------------------------------------------------------------
|
||||
S+ 11:40 0:00 | | | \_ /bin/sh /usr/local/bin/ccollect.sh daily -p ddba034 ddba045 ddba046 ddba047 ddba049 ddna010 ddna011
|
||||
S+ 11:40 0:00 | | | \_ /bin/sh /usr/local/bin/ccollect.sh daily -j ddba034 ddba045 ddba046 ddba047 ddba049 ddna010 ddna011
|
||||
S+ 11:40 0:00 | | | \_ /bin/sh /usr/local/bin/ccollect.sh daily ddba034
|
||||
S+ 11:40 0:00 | | | | \_ /bin/sh /usr/local/bin/ccollect.sh daily ddba034
|
||||
R+ 11:40 23:40 | | | | | \_ rsync -a --delete --numeric-ids --relative --delete-excluded --link-dest=/home/server/backup/ddba034
|
||||
|
|
|
|||
|
|
@ -1,3 +1,4 @@
|
|||
* Introduce -j option for max parallel jobs, deprecate -p (Darko Poljak)
|
||||
* Add locking (Darko Poljak)
|
||||
* Fix source-is-up check (Nikita Koshikov)
|
||||
* Fix some minor command line parsing issues (Nico Schottelius)
|
||||
|
|
|
|||
|
|
@ -26,14 +26,18 @@ texinfo or html).
|
|||
|
||||
OPTIONS
|
||||
-------
|
||||
-a, --all::
|
||||
Backup all sources specified in /etc/ccollect/sources
|
||||
|
||||
-h, --help::
|
||||
Show the help screen
|
||||
|
||||
-p, --parallel::
|
||||
Parallelise backup processes
|
||||
-j [max], --jobs [max]::
|
||||
Specifies the number of jobs to run simultaneously.
|
||||
If max is not specified then parallelise all jobs.
|
||||
|
||||
-a, --all::
|
||||
Backup all sources specified in /etc/ccollect/sources
|
||||
-p, --parallel::
|
||||
Parallelise backup processes (deprecated from 2.0)
|
||||
|
||||
-v, --verbose::
|
||||
Be very verbose (uses set -x)
|
||||
|
|
|
|||
Loading…
Reference in a new issue