Server: script to automatically add a host to BackupPC with a client
config file (.pl).
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#!/bin/bash
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# Script pour ajouter une machine à sauvegarder dans BackupPC
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# Modifie les fichiers:
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# /etc/hosts
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# /etc/backuppc/hosts
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# /etc/backuppc/NOM_UTILISATEUR.NOM_MACHINE.pl
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# /var/lib/backuppc/.ssh/config
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# /var/lib/backuppc/.ssh/known_hosts
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#### DÉPENDANCES ####
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# ldapsearch (pkg ldap-utils)
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if [ ! $(command -v ldapsearch) ]; then
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aptitude install dos2unix ldap-utils
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fi
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# Liste des fichiers
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system_hosts="/etc/hosts"
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backuppc_config_dir="/etc/backuppc"
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backuppc_host_file="${backuppc_config_dir}/hosts"
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backuppc_home_dir="/var/lib/backuppc"
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backuppc_known_host_file="${backuppc_home_dir}/.ssh/known_hosts"
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backuppc_ssh_config_file="${backuppc_home_dir}/.ssh/config"
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config_pl_path="${1}"
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config_pl_name=$(basename -- "${config_pl_path}")
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#### VÉRIFIER QUE L’ON A BIEN LES DROITS ADMIN ####
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if [ "$EUID" -ne 0 ]; then
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printf '\e[1;31m%-6s\e[m' "À lancer avec les droits administrateur"
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exit
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fi
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#### VÉRIFIER QUE LE FICHIER EXISTE BIEN ####
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if [ ! -f "${config_pl_path}" ]; then
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printf '\e[1;31m%-6s\e[m' "Installation annulée, le fichier n'existe pas !"
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exit
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fi
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#### VÉRIFIER QUE LE FICHIER EST BIEN EN UTF-8 ####
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dos2unix ${config_pl_path}
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# Liste des informations
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ip=$(grep "# ip:" ${config_pl_path} | cut -d':' -f 2)
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temp_fqdn=$(host ${ip} | cut -d' ' -f 5)
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# Remove the last character from $temp_fqdn: '.'
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fqdn="${temp_fqdn%?}"
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hostname=$(echo ${fqdn} | cut -d'.' -f1)
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mail=$(grep "# mail:" ${config_pl_path} | cut -d':' -f 2)
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username=$(ldapsearch -ZZ -H ldap://ldap.univ-rennes1.fr -LLL '(mail='"${mail}"')' -b "dc=univ-rennes1,dc=fr" -x uid | grep "^uid" | cut -d" " -f2)
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#printf "IP: ${ip}\n"
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#printf "temp_fqdn ${temp_fqdn}\n"
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#printf "fqdn ${fqdn}\n"
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#printf "hostname ${hostname}\n"
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#printf "mail: ${mail}\n"
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#printf "username: ${username}\n"
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#### AJOUTER L HÔTE DANS ${BACKUPPC_CONFIG_DIR}/HOSTS ####
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# jfade.pr079076.spm.univ-rennes1.fr 0 jfade
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if [[ ! $(grep "${username}.${hostname}" "${backuppc_host_file}") ]]; then
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echo "${username}.${hostname} 0 ${username}" >> "${backuppc_host_file}"
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#echo "WRITE TO ${backuppc_host_file}: ${username}.${hostname} 0 ${username}"
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else
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printf '\e[1;31m%-6s\e[m' "Installation annulée, la ligne ${username}.${hostname} existe déjà dans ${backuppc_host_file} !"
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exit
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fi
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#### AJOUTER LA CLEF SSH DE LA MACHINE DE L'UTILISATEUR ####
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# pr079076.spm.univ-rennes1.fr ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBIFkIxzrMTZ/m9AgA7Jc+XnKdayDwUtehGOPo5m4i9yK5mCMM/iOrTOPxubey3YcQBuuqHNNRWbDV6n0z5KGvBU=
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hostkey=$(grep "# hostkey:" ${config_pl_path} | cut -d':' -f 2)
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if [[ ! $(grep "${fqdn}" "${backuppc_known_host_file}") ]]; then
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echo "${fqdn} ${hostkey}" >> "${backuppc_known_host_file}"
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#echo "WRITE TO ${backuppc_known_host_file}: ${fqdn} ${hostkey}"
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else
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printf '\e[1;31m%-6s\e[m' "Installation annulée, la clef ssh pour ${username}.${fqdn} existe déjà dans ${backuppc_known_host_file} !"
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#exit
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#### NO EXIT !!! #### NEED ${fqdn} and NOT ${username}.${fqdn}
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fi
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#### DÉFINIR L'HÔTE DANS LA CONFIGURATION SSH ####
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# Host jfade.pr079076
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# hostname pr079076.spm.univ-rennes1.fr
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if [[ ! $(grep "${username}.${hostname}" "${backuppc_ssh_config_file}") ]]; then
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cat << EOF >> "${backuppc_ssh_config_file}"
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Host ${username}.${hostname}
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hostname ${fqdn}
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EOF
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#cat << EOF
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#WRITE TO "${backuppc_ssh_config_file}":
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#Host ${username}.${hostname}
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#hostname ${fqdn}
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#EOF
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fi
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#### DÉFINIR LE NOM D'HOTE POUR LE SYSTEME ####
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if [[ ! $(grep "${ip}" "${system_hosts}") ]]; then
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echo "${ip} ${username}.${hostname}" >> "${system_hosts}"
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#echo "WRITE TO ${system_hosts}: ${ip} ${username}.${hostname}"
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else
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printf '\e[1;31m%-6s\e[m' "Le nom d'hôte ${username}.${hostname} est déjà connu du système (${system_hosts})!"
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fi
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#### DÉPLACER LE FICHIER DANS LE RÉPERTOIRE DE BACKUPPC ####
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if [ ! -f "${backuppc_config_dir}/${username}.hostname" ]; then
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mv "${config_pl_path}" "${backuppc_config_dir}/${username}.${hostname}.pl"
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chown backuppc:www-data "${backuppc_config_dir}/${username}.${hostname}.pl"
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#printf "TODO||TOREMOVE: mv ${config_pl_path}" "${backuppc_config_dir}/${username}.${hostname}.pl"
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else
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printf '\e[1;31m%-6s\e[m' "Installation annulée, le fichier ${username}.${hostname}.pl existe déjà dans ${backuppc_config_dir}/ !"
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exit
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fi
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#### recharger la configuration de backuppc ####
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service backuppc reload
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