Server: script to automatically add a host to BackupPC with a client

config file (.pl).

server/add_backuppc_host.sh

@@ -0,0 +1,118 @@
+#!/bin/bash
+
+# Script pour ajouter une machine à sauvegarder dans BackupPC
+# Modifie les fichiers:
+#   /etc/hosts
+#   /etc/backuppc/hosts
+#   /etc/backuppc/NOM_UTILISATEUR.NOM_MACHINE.pl
+#   /var/lib/backuppc/.ssh/config
+#   /var/lib/backuppc/.ssh/known_hosts
+
+#### DÉPENDANCES ####
+# ldapsearch (pkg ldap-utils)
+if [ ! $(command -v ldapsearch) ]; then
+  aptitude install dos2unix ldap-utils
+fi
+
+# Liste des fichiers
+system_hosts="/etc/hosts"
+backuppc_config_dir="/etc/backuppc"
+backuppc_host_file="${backuppc_config_dir}/hosts"
+backuppc_home_dir="/var/lib/backuppc"
+backuppc_known_host_file="${backuppc_home_dir}/.ssh/known_hosts"
+backuppc_ssh_config_file="${backuppc_home_dir}/.ssh/config"
+
+config_pl_path="${1}"
+config_pl_name=$(basename -- "${config_pl_path}")
+
+#### VÉRIFIER QUE L’ON A BIEN LES DROITS ADMIN ####
+if [ "$EUID" -ne 0 ]; then
+  printf '\e[1;31m%-6s\e[m' "À lancer avec les droits administrateur"
+  exit
+fi
+
+#### VÉRIFIER QUE LE FICHIER EXISTE BIEN ####
+if [ ! -f "${config_pl_path}" ]; then
+  printf '\e[1;31m%-6s\e[m' "Installation annulée, le fichier n'existe pas !"
+  exit
+fi
+
+#### VÉRIFIER QUE LE FICHIER EST BIEN EN UTF-8 ####
+dos2unix ${config_pl_path}
+
+# Liste des informations
+ip=$(grep "# ip:" ${config_pl_path} | cut -d':' -f 2)
+temp_fqdn=$(host ${ip} | cut -d' ' -f 5)
+# Remove the last character from $temp_fqdn: '.'
+fqdn="${temp_fqdn%?}"
+hostname=$(echo ${fqdn} | cut -d'.' -f1)
+mail=$(grep "# mail:" ${config_pl_path} | cut -d':' -f 2)
+username=$(ldapsearch -ZZ -H ldap://ldap.univ-rennes1.fr -LLL '(mail='"${mail}"')' -b "dc=univ-rennes1,dc=fr" -x uid | grep "^uid" | cut -d" " -f2)
+
+#printf "IP: ${ip}\n"
+#printf "temp_fqdn ${temp_fqdn}\n"
+#printf "fqdn ${fqdn}\n"
+#printf "hostname ${hostname}\n"
+#printf "mail: ${mail}\n"
+#printf "username: ${username}\n"
+
+#### AJOUTER L HÔTE DANS ${BACKUPPC_CONFIG_DIR}/HOSTS ####
+# jfade.pr079076.spm.univ-rennes1.fr	0	jfade
+if [[ ! $(grep "${username}.${hostname}" "${backuppc_host_file}") ]]; then
+  echo "${username}.${hostname}	0	${username}" >> "${backuppc_host_file}"
+  #echo "WRITE TO ${backuppc_host_file}: ${username}.${hostname}	0	${username}"
+else
+  printf '\e[1;31m%-6s\e[m' "Installation annulée, la ligne ${username}.${hostname} existe déjà dans ${backuppc_host_file} !"
+  exit
+fi
+
+#### AJOUTER LA CLEF SSH DE LA MACHINE DE L'UTILISATEUR ####
+# pr079076.spm.univ-rennes1.fr ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBIFkIxzrMTZ/m9AgA7Jc+XnKdayDwUtehGOPo5m4i9yK5mCMM/iOrTOPxubey3YcQBuuqHNNRWbDV6n0z5KGvBU=
+hostkey=$(grep "# hostkey:" ${config_pl_path} | cut -d':' -f 2)
+if [[ ! $(grep "${fqdn}" "${backuppc_known_host_file}") ]]; then
+  echo "${fqdn} ${hostkey}" >> "${backuppc_known_host_file}"
+  #echo "WRITE TO ${backuppc_known_host_file}:  ${fqdn} ${hostkey}"
+else
+  printf '\e[1;31m%-6s\e[m' "Installation annulée, la clef ssh pour ${username}.${fqdn} existe déjà dans ${backuppc_known_host_file} !"
+  #exit
+  #### NO EXIT !!! #### NEED ${fqdn} and NOT ${username}.${fqdn}
+fi
+
+#### DÉFINIR L'HÔTE DANS LA CONFIGURATION SSH ####
+# Host jfade.pr079076
+#   hostname pr079076.spm.univ-rennes1.fr
+if [[ ! $(grep "${username}.${hostname}" "${backuppc_ssh_config_file}") ]]; then
+  cat << EOF >> "${backuppc_ssh_config_file}"
+Host ${username}.${hostname}
+  hostname ${fqdn}
+
+EOF
+  #cat << EOF
+#WRITE TO "${backuppc_ssh_config_file}":
+#Host ${username}.${hostname}
+  #hostname ${fqdn}
+
+#EOF
+fi
+
+#### DÉFINIR LE NOM D'HOTE POUR LE SYSTEME ####
+if [[ ! $(grep "${ip}" "${system_hosts}") ]]; then
+  echo "${ip} ${username}.${hostname}" >> "${system_hosts}"
+  #echo "WRITE TO ${system_hosts}: ${ip} ${username}.${hostname}"
+else
+  printf '\e[1;31m%-6s\e[m' "Le nom d'hôte ${username}.${hostname} est déjà connu du système (${system_hosts})!"
+fi
+
+#### DÉPLACER LE FICHIER DANS LE RÉPERTOIRE DE BACKUPPC ####
+if [ ! -f "${backuppc_config_dir}/${username}.hostname" ]; then
+  mv "${config_pl_path}" "${backuppc_config_dir}/${username}.${hostname}.pl"
+  chown backuppc:www-data "${backuppc_config_dir}/${username}.${hostname}.pl"
+  #printf "TODO||TOREMOVE: mv ${config_pl_path}" "${backuppc_config_dir}/${username}.${hostname}.pl"
+else
+  printf '\e[1;31m%-6s\e[m' "Installation annulée, le fichier ${username}.${hostname}.pl existe déjà dans ${backuppc_config_dir}/ !"
+  exit
+fi
+
+#### recharger la configuration de backuppc ####
+service backuppc reload
+