evolinux-base: add script backup-server-state

pull/136/head
Jérémy Lecour 10 months ago committed by Jérémy Lecour
parent 33cb1dd8ef
commit bbd16dc5b4
  1. 2
      CHANGELOG.md
  2. 413
      evolinux-base/files/backup-server-state.sh
  3. 2
      evolinux-base/tasks/main.yml
  4. 10
      evolinux-base/tasks/utils.yml

@ -12,6 +12,8 @@ The **patch** part changes is incremented if multiple releases happen the same m
### Added
* evolinux-base: add script backup-server-state
### Changed
* mongodb: Deny the install on Debian 11 « Bullseye » when the version is unsupported

@ -0,0 +1,413 @@
#!/bin/sh
PROGNAME="backup-server-state"
VERSION="21.10"
readonly VERSION
backup_dir=
rc=0
# base functions
show_version() {
cat <<END
${PROGNAME} version ${VERSION}
Copyright 2018-2021 Evolix <info@evolix.fr>,
Jérémy Lecour <jlecour@evolix.fr>
and others.
${PROGNAME} comes with ABSOLUTELY NO WARRANTY.This is free software,
and you are welcome to redistribute it under certain conditions.
See the GNU General Public License v3.0 for details.
END
}
show_help() {
cat <<END
${PROGNAME} is making backup copies of information related to the state of the server.
Usage: ${PROGNAME} --backup-dir=/path/to/backup/directory [OPTIONS]
Options
-d, --backup-dir path to the directory where the backup will be stored
--etc backup copy of /etc
--no-etc no backup copy of /etc (default)
--dpkg backup copy of /var/lib/dpkg
--no-dpkg no backup copy of /var/lib/dpkg (default)
-v, --verbose print details about backup steps
-V, --version print version and exit
-h, --help print this message and exit
END
}
debug() {
if [ "${VERBOSE}" = "1" ]; then
echo "$1"
fi
}
create_backup_dir() {
debug "Create ${backup_dir}"
last_result=$(mkdir -p "${backup_dir}" && chmod -R 755 "${backup_dir}")
last_rc=$?
if [ ${last_rc} -eq 0 ]; then
debug "* mkdir/chmod OK"
else
debug "* mkdir/chmod ERROR :"
debug "${last_result}"
rc=10
fi
}
backup_etc() {
debug "Backup /etc"
last_result=$(rsync -ah --itemize-changes --exclude=.git /etc "${backup_dir}/")
last_rc=$?
if [ ${last_rc} -eq 0 ]; then
debug "* rsync OK"
else
debug "* rsync ERROR :"
debug "${last_result}"
rc=10
fi
}
backup_apt() {
if [ -f /var/lib/apt/extended_states ]; then
debug "Backup APT states"
last_result=$(mkdir -p "${backup_dir}/var/lib/apt" && chmod -R 755 "${backup_dir}/var/lib/apt")
last_rc=$?
if [ ${last_rc} -eq 0 ]; then
debug "* mkdir/chmod OK"
else
debug "* mkdir/chmod ERROR"
debug "${last_result}"
rc=10
fi
last_result=$(rsync -ah /var/lib/apt/extended_states "${backup_dir}/var/lib/apt/")
last_rc=$?
if [ ${last_rc} -eq 0 ]; then
debug "* rsync OK"
else
debug "* rsync ERROR :"
debug "${last_result}"
rc=10
fi
fi
}
backup_dpkg() {
debug "Backup DPkg"
last_result=$(mkdir -p "${backup_dir}/var/lib" && chmod -R 755 "${backup_dir}/var/lib")
last_rc=$?
if [ ${last_rc} -eq 0 ]; then
debug "* mkdir/chmod OK"
else
debug "* mkdir/chmod ERROR"
debug "${last_result}"
rc=10
fi
last_result=$(rsync -ah --itemize-changes /var/lib/dpkg "${backup_dir}/var/lib/")
last_rc=$?
if [ ${last_rc} -eq 0 ]; then
debug "* rsync OK"
else
debug "* rsync ERROR"
debug "${last_result}"
rc=10
fi
}
backup_packages() {
debug "Backup list of installed package"
last_result=$(dpkg --get-selections "*" > "${backup_dir}/current_packages.txt")
last_rc=$?
if [ ${last_rc} -eq 0 ]; then
debug "* dpkg OK"
else
debug "* dpkg ERROR :"
debug "${last_result}"
rc=10
fi
}
backup_uptime() {
debug "Backup uptime"
last_result=$(uptime > "${backup_dir}/uptime.out")
last_rc=$?
if [ ${last_rc} -eq 0 ]; then
debug "* uptime OK"
else
debug "* uptime ERROR"
debug "${last_result}"
rc=10
fi
}
backup_processes() {
debug "Backup process list"
last_result=$(ps fauxw > "${backup_dir}/ps.out")
last_rc=$?
if [ ${last_rc} -eq 0 ]; then
debug "* ps OK"
else
debug "* ps ERROR"
debug "${last_result}"
rc=10
fi
pstree_bin=$(command -v pstree)
if [ -z "${pstree_bin}" ]; then
last_result=$(pstree -pan > "${backup_dir}/pstree.out")
last_rc=$?
if [ ${last_rc} -eq 0 ]; then
debug "* pstree OK"
else
debug "* pstree ERROR"
debug "${last_result}"
rc=10
fi
fi
}
backup_netstat() {
debug "Backup network status"
ss_bin=$(command -v ss)
if [ -z "${ss_bin}" ]; then
last_result=$(${ss_bin} -tanpul > "${backup_dir}/listen.out")
last_rc=$?
if [ ${last_rc} -eq 0 ]; then
debug "* ss OK"
else
debug "* ss ERROR"
debug "${last_result}"
rc=10
fi
fi
netstat_bin=$(command -v netstat)
if [ -z "${netstat_bin}" ]; then
last_result=$(netstat -laputen > "${backup_dir}/netstat.out")
last_rc=$?
if [ ${last_rc} -eq 0 ]; then
debug "* netstat OK"
else
debug "* netstat ERROR"
debug "${last_result}"
rc=10
fi
fi
}
backup_netcfg() {
debug "Backup network configuration"
last_result=$(ip address show > "${backup_dir}/ip-address.txt")
last_rc=$?
if [ ${last_rc} -eq 0 ]; then
debug "* ip address OK"
else
debug "* ip address ERROR"
debug "${last_result}"
rc=10
fi
last_result=$(ip route show > "${backup_dir}/ip-route.txt")
last_rc=$?
if [ ${last_rc} -eq 0 ]; then
debug "* ip route OK"
else
debug "* ip route ERROR"
debug "${last_result}"
rc=10
fi
}
backup_iptables() {
debug "Backup iptables"
last_result=$({ /sbin/iptables -L -n -v; /sbin/iptables -t filter -L -n -v; } > "${backup_dir}/iptables.txt")
last_rc=$?
if [ ${last_rc} -eq 0 ]; then
debug "* iptables OK"
else
debug "* iptables ERROR"
debug "${last_result}"
rc=10
fi
}
backup_sysctl() {
debug "Backup sysctl values"
last_result=$(sysctl -a | sort -h > "${backup_dir}/sysctl.txt")
last_rc=$?
if [ ${last_rc} -eq 0 ]; then
debug "* sysctl OK"
else
debug "* sysctl ERROR"
debug "${last_result}"
rc=10
fi
}
main() {
if [ -z "${backup_dir}" ]; then
echo "ERROR: You must provide the --backup-dir argument" >&2
exit 1
fi
if [ -d "${backup_dir}" ]; then
echo "ERROR: The backup directory ${backup_dir} already exists. Delete it first." >&2
exit 2
else
create_backup_dir
fi
if [ "${DO_ETC}" -eq 1 ]; then
backup_etc
fi
if [ "${DO_DPKG}" -eq 1 ]; then
backup_dpkg
fi
if [ "${DO_APT}" -eq 1 ]; then
backup_apt
fi
if [ "${DO_PACKAGES}" -eq 1 ]; then
backup_packages
fi
if [ "${DO_PROCESSES}" -eq 1 ]; then
backup_processes
fi
if [ "${DO_UPTIME}" -eq 1 ]; then
backup_uptime
fi
if [ "${DO_NETSTAT}" -eq 1 ]; then
backup_netstat
fi
if [ "${DO_NETCFG}" -eq 1 ]; then
backup_netcfg
fi
if [ "${DO_IPTABLES}" -eq 1 ]; then
backup_iptables
fi
if [ "${DO_SYSCTL}" -eq 1 ]; then
backup_sysctl
fi
debug "=> Your backup is available at ${backup_dir}"
exit ${rc}
}
# parse options
# based on https://gist.github.com/deshion/10d3cb5f88a21671e17a
while :; do
case $1 in
-h|-\?|--help)
show_help
exit 0
;;
-V|--version)
show_version
exit 0
;;
-v|--verbose)
VERBOSE=1
;;
-d|--backup-dir)
# with value separated by space
if [ -n "$2" ]; then
backup_dir=$2
shift
else
printf 'ERROR: "-d|--backup-dir" requires a non-empty option argument.\n' >&2
exit 1
fi
;;
--backup-dir=?*)
# with value speparated by =
backup_dir=${1#*=}
;;
--backup-dir=)
# without value
printf 'ERROR: "--backup-dir" requires a non-empty option argument.\n' >&2
exit 1
;;
--etc)
DO_ETC=1
;;
--no-etc)
DO_ETC=0
;;
--dpkg)
DO_DPKG=1
;;
--no-dpkg)
DO_DPKG=0
;;
--)
# End of all options.
shift
break
;;
-?*)
# ignore unknown options
printf 'WARN: Unknown option : %s\n' "$1" >&2
exit 1
;;
*)
# Default case: If no more options then break out of the loop.
break
;;
esac
shift
done
# Default values
: "${VERBOSE:=0}"
: "${DO_ETC:=0}"
: "${DO_DPKG:=0}"
: "${DO_APT:=1}"
: "${DO_PACKAGES:=1}"
: "${DO_PROCESSES:=1}"
: "${DO_UPTIME:=1}"
: "${DO_NETSTAT:=1}"
: "${DO_NETCFG:=1}"
: "${DO_IPTABLES:=1}"
: "${DO_SYSCTL:=1}"
set -u
main

@ -98,6 +98,8 @@
- include: motd.yml
- include: utils.yml
- name: Munin
include_role:
name: evolix/munin

@ -0,0 +1,10 @@
---
- name: backup-server-state script is present
file:
src: "backup-server-state.sh"
dest: /usr/local/sbin/backup-server-state
force: True
owner: root
group: root
mode: "0750"
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