root / bin / enable-replica @ 49
Historique | Voir | Annoter | Télécharger (6,37 ko)
| 1 |
#!/bin/bash |
|---|---|
| 2 |
# $Id: enable-replica 49 2013-10-10 08:59:11Z kreverch $ |
| 3 |
|
| 4 |
DIR_CONF_REPLICA="/opt/gZFS/replicas/" |
| 5 |
DIR_CRON="/etc/cron.d/" |
| 6 |
BIN_ZFS_REPLICA="/sbin/zfs-replica" |
| 7 |
BINZFS="/sbin/zfs" |
| 8 |
BINZPOOL="/sbin/zpool" |
| 9 |
|
| 10 |
# TODO: traduire les msg |
| 11 |
|
| 12 |
function usage {
|
| 13 |
echo "USAGE :" |
| 14 |
echo "$0 -o volume_fs_to_replicate -r volume_fs_destination -n number_replicas_to_keep -m minute_cron -H hour_cron -D Day_of_Month_cron -M month_cron -d day_of_week_cron [-s server destination]" 1>&2 |
| 15 |
echo "or" 1>&2 |
| 16 |
echo "$0 -i : for a interactive mode" 1>&2 |
| 17 |
echo "" 1>&2 |
| 18 |
echo "OPTIONS : " 1>&2 |
| 19 |
echo " -o : origin volume or a filesystem to replicate" 1>&2 |
| 20 |
echo " -r : volume or filesystem replicated" 1>&2 |
| 21 |
echo " -n : number replicas to keep" 1>&2 |
| 22 |
echo " -s : if replica destination is on another zfs server, you need to specify this option with the name of server." 1>&2 |
| 23 |
echo " Warning ! Remote replication use ssh. So please, generate a ssh private/public key and the public key in /root/.ssh/authorized_key" 1>&2 |
| 24 |
echo " on remote server" 1>&2 |
| 25 |
echo " -m : minute field for cron replication" 1>&2 |
| 26 |
echo " -H : hour field for cron replication" 1>&2 |
| 27 |
echo " -D : Day of Month field for cron replication" 1>&2 |
| 28 |
echo " -M : Month field for cron replication" 1>&2 |
| 29 |
echo " -d : Day of week for cron replication" 1>&2 |
| 30 |
echo " -h : display this message" |
| 31 |
|
| 32 |
} |
| 33 |
|
| 34 |
function checkField4Cron {
|
| 35 |
if [[ $OPTARG =~ [a-zA-Z] ]] |
| 36 |
then |
| 37 |
echo "-$OPTION contain a bad value" 1>&2 |
| 38 |
exit 1 |
| 39 |
fi |
| 40 |
} |
| 41 |
|
| 42 |
function createCronFile4Snapshot {
|
| 43 |
FILE_NAME=$(echo "replica-"${volfs//\//-})
|
| 44 |
echo "$MINUTE $HOUR $MONTH $DAYMONTH $DAYWEEK root $BIN_ZFS_REPLICA $DIR_CONF_REPLICA$FILE_NAME.conf" > $DIR_CRON$FILE_NAME |
| 45 |
} |
| 46 |
|
| 47 |
function interactive {
|
| 48 |
$BINZFS list |
| 49 |
echo "*** Select the ZFS volume/filesystem to replicate : ***" |
| 50 |
|
| 51 |
while read inputline |
| 52 |
do |
| 53 |
volfs=$inputline |
| 54 |
if [ "$volfs" = "" ] |
| 55 |
then |
| 56 |
echo "*** Select the ZFS volume/filesystem to replicate : ***" |
| 57 |
else |
| 58 |
|
| 59 |
echo "*** Are you sur : $inputline ? (y/n) ***" |
| 60 |
|
| 61 |
|
| 62 |
while read inputConfirm |
| 63 |
do |
| 64 |
if [ "$inputConfirm" = "y" ]||[ "$inputConfirm" = "n" ] |
| 65 |
then |
| 66 |
break |
| 67 |
fi |
| 68 |
echo "*** Are you sur : $inputline ? (y/n) ***" |
| 69 |
done |
| 70 |
if [ "$inputConfirm" = "y" ] |
| 71 |
then |
| 72 |
$BINZFS list $volfs |
| 73 |
if [ $? -eq 0 ] |
| 74 |
then |
| 75 |
echo "*** The ZFS volume/filesystem selected $volfs exists ***" |
| 76 |
break |
| 77 |
else |
| 78 |
echo "*** The ZFS volume/filesystem selected $volfs does not exist ***" |
| 79 |
echo "*** Select the ZFS volume/filesystem to replicate : ***" |
| 80 |
fi |
| 81 |
fi |
| 82 |
if [ "$inputConfirm" != "y" ] |
| 83 |
then |
| 84 |
echo "*** Select the ZFS volume/filesystem to replicate : ***" |
| 85 |
fi |
| 86 |
fi |
| 87 |
done |
| 88 |
|
| 89 |
echo "*** Enter replica name (syntax pool_name/replica_name, example zpfront/monvolume) ***" |
| 90 |
echo "*** /!\ This program does not check if the replica name is valid /!\***" |
| 91 |
while read inputline |
| 92 |
do |
| 93 |
volfsdestination=$inputline |
| 94 |
if [ "$volfsdestination" = "" ] |
| 95 |
then |
| 96 |
echo "*** Enter replica name (syntax pool_name/replica_name, example zpfront/monvolume) ***" |
| 97 |
echo "*** /!\ This program does not check if the replica name is valid /!\***" |
| 98 |
else |
| 99 |
|
| 100 |
echo "*** Are you sur : $inputline ? (y/n) ***" |
| 101 |
|
| 102 |
|
| 103 |
while read inputConfirm |
| 104 |
do |
| 105 |
if [ "$inputConfirm" = "y" ]||[ "$inputConfirm" = "n" ] |
| 106 |
then |
| 107 |
break |
| 108 |
fi |
| 109 |
echo "*** Are you sur : $inputline ? (y/n) ***" |
| 110 |
done |
| 111 |
if [ "$inputConfirm" != "y" ] |
| 112 |
then |
| 113 |
echo "*** Enter replica name (syntax pool_name/replica_name, example zpfront/monvolume) ***" |
| 114 |
echo "*** /!\ This program does not check if the replica name is valid /!\***" |
| 115 |
else |
| 116 |
break |
| 117 |
fi |
| 118 |
fi |
| 119 |
done |
| 120 |
|
| 121 |
echo "*** Replicate to a remote server (y/n)?" |
| 122 |
while read inputConfirm |
| 123 |
do |
| 124 |
if [ "$inputConfirm" = "y" ]||[ "$inputConfirm" = "n" ] |
| 125 |
then |
| 126 |
break |
| 127 |
fi |
| 128 |
echo "*** Are you sur : $inputline ? (y/n) ***" |
| 129 |
done |
| 130 |
if [ "$inputConfirm" = "y" ] |
| 131 |
then |
| 132 |
echo "*** Enter server name : " |
| 133 |
while read inputserver |
| 134 |
do |
| 135 |
if [ "$inputserver" != "" ] |
| 136 |
then |
| 137 |
server=$inputserver |
| 138 |
break |
| 139 |
fi |
| 140 |
echo "*** Enter server name : " |
| 141 |
done |
| 142 |
else |
| 143 |
server="" |
| 144 |
fi |
| 145 |
|
| 146 |
echo "*** Enter the replica number to keep : ***" |
| 147 |
while read inputline |
| 148 |
do |
| 149 |
nbreplica=$inputline |
| 150 |
if [ "$nbreplica" = "" ] |
| 151 |
then |
| 152 |
echo "*** Enter the replica number to keep : ***" |
| 153 |
else |
| 154 |
echo "*** Creation of configuration file ***" |
| 155 |
FILE_NAME=$(echo "replica-"${volfs//\//-})
|
| 156 |
>$DIR_CONF_REPLICA$FILE_NAME.conf |
| 157 |
echo "name=$volfs" >> $DIR_CONF_REPLICA$FILE_NAME.conf |
| 158 |
echo "namereplica=$volfsdestination-replica">> $DIR_CONF_REPLICA$FILE_NAME.conf |
| 159 |
echo "nbreplica=$nbreplica" >> $DIR_CONF_REPLICA$FILE_NAME.conf |
| 160 |
echo "lastsnapshotreplicated=" >> $DIR_CONF_REPLICA$FILE_NAME.conf |
| 161 |
echo "server=$server">> $DIR_CONF_REPLICA$FILE_NAME.conf |
| 162 |
break |
| 163 |
fi |
| 164 |
done |
| 165 |
|
| 166 |
} |
| 167 |
|
| 168 |
|
| 169 |
|
| 170 |
function nointeractive {
|
| 171 |
FILE_NAME=$(echo "replica-"${volfs//\//-})
|
| 172 |
>$DIR_CONF_REPLICA$FILE_NAME.conf |
| 173 |
echo "name=$volfs" >> $DIR_CONF_REPLICA$FILE_NAME.conf |
| 174 |
echo "namereplica=$volfsdestination-replica">> $DIR_CONF_REPLICA$FILE_NAME.conf |
| 175 |
echo "nbreplica=$nbreplica" >> $DIR_CONF_REPLICA$FILE_NAME.conf |
| 176 |
echo "lastsnapshotreplicated=" >> $DIR_CONF_REPLICA$FILE_NAME.conf |
| 177 |
echo "server=$server">> $DIR_CONF_REPLICA$FILE_NAME.conf |
| 178 |
} |
| 179 |
|
| 180 |
|
| 181 |
while getopts "is:r:o:n:m:H::D:M:d:h" OPTION |
| 182 |
do |
| 183 |
case $OPTION in |
| 184 |
h) |
| 185 |
usage |
| 186 |
exit 1 |
| 187 |
;; |
| 188 |
r) |
| 189 |
volfsdestination=$OPTARG |
| 190 |
;; |
| 191 |
o) |
| 192 |
volfs=$OPTARG |
| 193 |
;; |
| 194 |
n) |
| 195 |
nbreplica=$OPTARG |
| 196 |
;; |
| 197 |
s) |
| 198 |
server=$OPTARG |
| 199 |
;; |
| 200 |
m) |
| 201 |
checkField4Cron |
| 202 |
MINUTE=$OPTARG |
| 203 |
;; |
| 204 |
H) |
| 205 |
checkField4Cron |
| 206 |
HOUR=$OPTARG |
| 207 |
;; |
| 208 |
D) |
| 209 |
checkField4Cron |
| 210 |
DAYMONTH=$OPTARG |
| 211 |
;; |
| 212 |
M) |
| 213 |
checkField4Cron |
| 214 |
MONTH=$OPTARG |
| 215 |
;; |
| 216 |
d) |
| 217 |
checkField4Cron |
| 218 |
DAYWEEK=$OPTARG |
| 219 |
;; |
| 220 |
i) |
| 221 |
interactive |
| 222 |
exit 0 |
| 223 |
;; |
| 224 |
esac |
| 225 |
done |
| 226 |
if [[ -z $volfsdestination ]] || [[ -z $volfs ]] || [[ -z $nbreplica ]] || [[ -z $MINUTE ]] || [[ -z $HOUR ]] || [[ -z $DAYMONTH ]] || [[ -z $MONTH ]] || [[ -z $DAYWEEK ]] |
| 227 |
then |
| 228 |
usage |
| 229 |
exit 1 |
| 230 |
fi |
| 231 |
|
| 232 |
nointeractive |
| 233 |
createCronFile4Snapshot |
| 234 |
|
| 235 |
/etc/init.d/cron restart |