svn commit: r367443 - in head: share/man/man5 usr.sbin/periodic usr.sbin/periodic/etc/daily
Robert Wing
rew at FreeBSD.org
Sat Nov 7 04:15:26 UTC 2020
Author: rew
Date: Sat Nov 7 04:15:24 2020
New Revision: 367443
URL: https://svnweb.freebsd.org/changeset/base/367443
Log:
Add a periodic script to backup output generated from `gmirror list`.
Disabled by default.
PR: 86388
Submitted by: Miroslav Lachman <000.fbsd at quip.cz>
Reviewed by: allanjude, gbe
Approved by: allanjude (mentor)
MFC after: 4 weeks
Event: July 2020 Bugathon
Differential Revision: https://reviews.freebsd.org/D25631
Added:
head/usr.sbin/periodic/etc/daily/222.backup-gmirror (contents, props changed)
Modified:
head/share/man/man5/periodic.conf.5
head/usr.sbin/periodic/etc/daily/Makefile
head/usr.sbin/periodic/periodic.conf
Modified: head/share/man/man5/periodic.conf.5
==============================================================================
--- head/share/man/man5/periodic.conf.5 Sat Nov 7 04:10:23 2020 (r367442)
+++ head/share/man/man5/periodic.conf.5 Sat Nov 7 04:15:24 2020 (r367443)
@@ -25,7 +25,7 @@
.\"
.\" $FreeBSD$
.\"
-.Dd November 6, 2020
+.Dd November 7, 2020
.Dt PERIODIC.CONF 5
.Os
.Sh NAME
@@ -257,6 +257,20 @@ as configured in
Set to
.Dq Li YES
to create backup of EFI System Partition (ESP).
+.It Va daily_backup_gmirror_enable
+.Pq Vt bool
+Set to
+.Dq Li YES
+to create backup of gmirror information (i.e., output of
+.Nm gmirror Cm list ) ,
+see
+.Xr gmirror 8 .
+.It Va daily_backup_gmirror_verbose
+.Pq Vt bool
+Set to
+.Dq Li YES
+to report a diff between the new backup and the existing backup
+in the daily output.
.It Va daily_backup_gpart_enable
.Pq Vt bool
Set to
Added: head/usr.sbin/periodic/etc/daily/222.backup-gmirror
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ head/usr.sbin/periodic/etc/daily/222.backup-gmirror Sat Nov 7 04:15:24 2020 (r367443)
@@ -0,0 +1,72 @@
+#!/bin/sh
+
+# $FreeBSD$
+# Created by: Miroslav Lachman <000.fbsd at quip.cz>
+
+# Backup output from `gmirror list`, which provides detailed information
+# of all gmirrors. The backup will be stored in /var/backups/.
+
+# If there is a global system configuration file, suck it in.
+#
+if [ -r /etc/defaults/periodic.conf ]
+then
+ . /etc/defaults/periodic.conf
+ source_periodic_confs
+fi
+
+bak_dir=/var/backups
+
+rotate() {
+ base_name=$1
+ show_diff=$2
+ file="$bak_dir/$base_name"
+
+ if [ -f "${file}.bak" ]; then
+ rc=0
+ if cmp -s "${file}.bak" "${file}.tmp"; then
+ rm "${file}.tmp"
+ else
+ rc=1
+ [ -n "$show_diff" ] && diff "${file}.bak" "${file}.tmp"
+ mv "${file}.bak" "${file}.bak2" || rc=3
+ mv "${file}.tmp" "${file}.bak" || rc=3
+ fi
+ else
+ rc=1
+ mv "${file}.tmp" "${file}.bak" || rc=3
+ [ -n "$show_diff" ] && cat "${file}.bak"
+ fi
+}
+
+case "$daily_backup_gmirror_verbose" in
+ [Yy][Ee][Ss]) show="YES"
+esac
+
+case "$daily_backup_gmirror_enable" in
+ [Yy][Ee][Ss])
+
+ gmirrors=$(gmirror status 2> /dev/null | \
+ awk '$1 ~ /^mirror\// { sub(/mirror\//, ""); print $1 }')
+
+ if [ -z "$gmirrors" ]; then
+ echo ""
+ echo "daily_backup_gmirror_enable is set to YES but no gmirrors found."
+ rc=2
+ else
+ echo ""
+ echo "Backup of gmirror information for:";
+
+ for m in ${gmirrors}; do
+ echo "$m"
+ safe_name=$(echo "gmirror.${m}" | tr -cs ".[:alnum:]\n" "_")
+ if ! gmirror status -s "${m}" | grep -F -v "COMPLETE"; then
+ gmirror list "${m}" > "$bak_dir/$safe_name.tmp"
+ rotate "$safe_name" $show
+ fi
+ done
+ fi
+ ;;
+ *) rc=0;;
+esac
+
+exit $rc
Modified: head/usr.sbin/periodic/etc/daily/Makefile
==============================================================================
--- head/usr.sbin/periodic/etc/daily/Makefile Sat Nov 7 04:10:23 2020 (r367442)
+++ head/usr.sbin/periodic/etc/daily/Makefile Sat Nov 7 04:15:24 2020 (r367443)
@@ -11,6 +11,7 @@ CONFS= 100.clean-disks \
200.backup-passwd \
210.backup-aliases \
221.backup-gpart \
+ 222.backup-gmirror \
330.news \
400.status-disks \
401.status-graid \
Modified: head/usr.sbin/periodic/periodic.conf
==============================================================================
--- head/usr.sbin/periodic/periodic.conf Sat Nov 7 04:10:23 2020 (r367442)
+++ head/usr.sbin/periodic/periodic.conf Sat Nov 7 04:15:24 2020 (r367443)
@@ -79,8 +79,12 @@ daily_backup_aliases_enable="YES" # Backup mail alia
# 221.backup-gpart
daily_backup_gpart_enable="YES" # Backup partition table/boot partition/MBR
-daily_backup_gpart_verbose="NO" # Be verbose if new backup differs from the new one
+daily_backup_gpart_verbose="NO" # Be verbose if new backup differs from the old one
daily_backup_efi_enable="NO" # Backup EFI system partition (ESP)
+
+# 222.backup-gmirror
+daily_backup_gmirror_enable="NO" # Backup of gmirror info (i.e., output of `gmirror list`)
+daily_backup_gmirror_verbose="NO" # Log diff if new backup differs from the old one
# 223.backup-zfs
daily_backup_zfs_enable="NO" # Backup output from zpool/zfs list
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