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new: [rsync-backup] new state files and check capability for ``mirror-dir``
new: [rsync-backup] new state files and check capability for ``mirror-dir``
Signed-off-by: Valentin Lab <valentin.lab@kalysto.org>backup
2 changed files with 229 additions and 8 deletions
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#!/bin/bash |
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#:- |
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. /etc/shlib |
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#:- |
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include common |
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include parse |
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include process |
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depends shyaml lock |
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[ "$UID" != "0" ] && echo "You must be root." && exit 1 |
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CHECK_DEFAULT_SOURCE=/etc/default/alerting |
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[ -f "$CHECK_DEFAULT_SOURCE" ] && . "$CHECK_DEFAULT_SOURCE" |
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if [ "${#MAIL_DESTS[@]}" == 0 ]; then |
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echo "You must set at least one recipient destination for mails." >&2 |
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echo " You can do that in '$CHECK_DEFAULT_SOURCE', using the variable" >&2 |
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echo " '\$MAIL_DESTS'. Note this is a bash array variable." >&2 |
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exit 1 |
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fi |
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usage="usage: $exname -d DEST1 [-d DEST2 [...]] [DIR1 [DIR2 ...]] |
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Checks that mirror-dir did it's job. Will send an email if not. |
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Options: |
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DIR1 ... DIRn |
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Local directories that should be mirrored on destination(s). |
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examples: /etc /home /var/backups |
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If no directories are provided, the config file root |
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entries will be used all as destination to copy. |
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-d DESTn |
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Can be repeated. Specifies host destination towards which |
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files will be send. Note that you can specify port number after |
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a colon and a bandwidth limit for rsync after a '/'. |
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examples: -d liszt.musicalta:10022 -d 10.8.0.19/200 |
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-n TIME_SPEC |
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Give a full english time spec about how old the last full |
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run of rsync should be at most. Defaults to '12 hours'. |
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examples: -n '12 hours' |
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" |
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dests=() |
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source_dirs=() |
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time_spec='12 hours' |
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while [ "$#" != 0 ]; do |
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case "$1" in |
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"-d") |
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dests+=("$2") |
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shift |
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;; |
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"-n") |
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time_spec="$2" |
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shift |
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;; |
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*) |
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source_dirs+=("$1") |
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;; |
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esac |
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shift |
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done |
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config_file="/etc/mirror-dir/config.yml" |
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if [ "${#source_dirs[@]}" == 0 ]; then |
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if [ -e "$config_file" ]; then |
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source_dirs=($(eval echo $(shyaml get-values default.sources < "$config_file"))) |
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fi >&2 |
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if [ "${#source_dirs[@]}" == 0 ]; then |
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err "You must specify at least one source directory to mirror" \ |
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"on command line (or in a config file)." |
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print_usage |
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exit 1 |
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fi |
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fi |
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if [ "${#dests[@]}" == 0 ]; then |
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err "You must specify at least a destination." |
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print_usage |
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exit 1 |
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fi |
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state_dir=/var/run/mirror-dir |
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get_ids() { |
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local session_id id_done |
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declare -A id_done |
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for file in "$state_dir"/*{-fail,-success}; do |
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session_id=${file%-*} |
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[ "${id_done["$session_id"]}" ] && continue |
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id_done["$session_id"]=1 |
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echo "${session_id##*/}" |
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done |
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} |
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dir_max_len=0 |
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for d in "${source_dirs[@]}"; do |
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[ "$dir_max_len" -lt "${#d}" ] && |
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dir_max_len="${#d}" |
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done |
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declare -A sessions=() |
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bad_sessions=() |
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for dest in "${dests[@]}"; do |
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if [[ "$dest" == *"/"* ]]; then |
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current_rsync_options+=("--bwlimit" "${dest##*/}") |
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dest="${dest%/*}" |
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fi |
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msg=() |
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for d in "${source_dirs[@]}"; do |
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session_id="$(echo "$dest$d" | md5_compat)" |
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session_id="${session_id:1:8}" |
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sessions["$session_id"]="$dest $d" |
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f=$(find "$state_dir" \ |
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-maxdepth 1 -newermt "-$time_spec" \ |
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-type f -name "${session_id}-success") |
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if [ -z "$f" ]; then |
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if [ -e "$state_dir/${session_id}-success" ]; then |
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msg+=("$(printf "%s %-${dir_max_len}s last full sync %s" \ |
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"$dest" \ |
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"$d" \ |
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"$(stat -c %y "$state_dir/${session_id}-success" | |
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sed -r 's/\.[0-9]{9,9} / /g')")") |
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else |
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msg+=("$(printf "%s %-${dir_max_len}s never finished yet" \ |
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"$dest" \ |
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"$d")") |
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fi |
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bad_sessions+=("$session_id") |
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fi |
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done |
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done |
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if [ "${#msg[@]}" != 0 ]; then |
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cat <<EOF | mail -s "[$(hostname)] mirror backup failing" "${MAIL_DESTS[@]}" |
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Hi, |
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Some configured mirroring targets have not finished gracefully in |
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the last $time_spec. Please see for yourself: |
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$( |
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for m in "${msg[@]}"; do |
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echo " $m" |
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done |
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) |
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You might want to find these following information of some use: |
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$( |
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for m in "${bad_sessions[@]}"; do |
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if [ -e "${state_dir}"/$m-fail ]; then |
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echo " ${sessions[$m]}:" |
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tail -n 5 "${state_dir}"/$m-fail | cut -f 1,2,5- -d " " | sed -r "s/^/ /g" |
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echo |
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else |
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echo " ${sessions[$m]}: no fail log available" |
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fi |
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done |
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) |
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Hoping all this will help you sort out the issue... |
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Yours sincerly, |
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-- |
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mirror-dir-check |
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PS: You received this email because your email is listed in |
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\$MAIL_DESTS of '$CHECK_DEFAULT_SOURCE' of '$(hostname)' |
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(also known as $(cat /etc/mailname)). |
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EOF |
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fi |
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