From 3346fb91bb80c147e12a9dd9e9df63f037e6b91c Mon Sep 17 00:00:00 2001
From: nemo <nemo@wirebrass.fr>
Date: Sat, 1 Jun 2019 17:24:47 +0200
Subject: [PATCH] Add auto-backup check, WARN : not fully tested

---
 recipes/recipe_check_autobackup_config.sh | 83 +++++++++++++++++++++++
 1 file changed, 83 insertions(+)
 create mode 100644 recipes/recipe_check_autobackup_config.sh

diff --git a/recipes/recipe_check_autobackup_config.sh b/recipes/recipe_check_autobackup_config.sh
new file mode 100644
index 0000000..a7f1168
--- /dev/null
+++ b/recipes/recipe_check_autobackup_config.sh
@@ -0,0 +1,83 @@
+print_config_title 'CHECK AUTO-BACKUP'
+
+# Check if auto-backup script is present
+if [[ -f "${BACKUP_SCRIPT}" ]]
+then
+	echo -e "${GREEN}The auto-backup script is present : check OK${NC}\n"
+else
+        AUTOBACKUP_CONFIG_CHECK_FAILED=${AUTOBACKUP_CONFIG_CHECK_FAILED}" The auto-backup script is NOT on the system;"
+	echo -e "${RED}The auto-backup is NOT on the system : check KO${NC}\n"
+fi
+
+# Check the script (content)
+grep -q 'borg prune -v backup@loth.grifon.fr' ${BACKUP_SCRIPT}
+RCa=${?} # First Return Code
+grep -q 'borg create --info .* backup@loth.grifon.fr:$(hostname -s)::$(date +%F)' ${BACKUP_SCRIPT}
+RCb=${?} # Second Return Code
+if [[ ${RCa} -ne 0 ]] || [[ ${RCb} -ne 0 ]]
+then
+        AUTOBACKUP_CONFIG_CHECK_FAILED=${AUTOBACKUP_CONFIG_CHECK_FAILED}" Auto-backup script ${BACKUP_SCRIPT} does NOT CONTAIN valid 'borg prune' OR 'borg create', check manually;"
+	echo -e "${RED}Auto-backup script does NOT CONTAIN valid 'borg prune' OR 'borg create' : check KO${NC}\n"
+# Service started without error
+else
+        echo -e "${GREEN}Auto-backup script seems contain valid 'borg prune' and 'borg create' : check OK${NC}\n"
+fi
+
+
+# Check if the script is executable
+if [[ -x "${BACKUP_SCRIPT}" ]]
+then
+	echo -e "${GREEN}The auto-backup script is executable : check OK${NC}\n"
+else
+        AUTOBACKUP_CONFIG_CHECK_FAILED=${AUTOBACKUP_CONFIG_CHECK_FAILED}" The auto-backup script is NOT executable;"
+	echo -e "${RED}The auto-backup script is NOT executable: check KO${NC}\n"
+fi
+
+# Check the ssh connection to the backup server
+ssh -q ${BACKUP_REMOTE_USER}@${BACKUP_REMOTE_SERVER} exit
+if [[ ${?} -ne 0 ]]
+then
+        AUTOBACKUP_CONFIG_CHECK_FAILED=${AUTOBACKUP_CONFIG_CHECK_FAILED}" The SSH connection to the backup server failed, check manually;"
+	echo -e "${RED}SSH Connection to the backup server does NOT WORK : check KO${NC}\n"
+# Service started without error
+else
+        echo -e "${GREEN}SSH Connection to the backup server works : check OK${NC}\n"
+fi
+
+# Check if the remote repertory exist and is writable
+ssh ${BACKUP_REMOTE_USER}@${BACKUP_REMOTE_SERVER} "test -w ${BACKUP_REMOTE_REPERTORY}/$(hostname -s)" &>/dev/null 
+if [[ ${?} -ne 0 ]]
+then
+        AUTOBACKUP_CONFIG_CHECK_FAILED=${AUTOBACKUP_CONFIG_CHECK_FAILED}" The remote backup repertory ${BACKUP_REMOTE_REPERTORY}/$(hostname -s) does not exit, create it;"
+	echo -e "${RED}The remote backup repertory DOES NOT exit : check KO${NC}\n"
+# Service started without error
+else
+        echo -e "${GREEN}The remote backup repertory exist : check OK${NC}\n"
+fi
+
+# Check if the remote link exist and is writable : when a backup is done, the script set the destination : ~/$(hostname -s) which is a link to ${BACKUP_REMOTE_REPERTORY}/$(hostname -s)
+ssh ${BACKUP_REMOTE_USER}@${BACKUP_REMOTE_SERVER} "test -w $(hostname -s)" &>/dev/null 
+if [[ ${?} -ne 0 ]]
+then
+        AUTOBACKUP_CONFIG_CHECK_FAILED=${AUTOBACKUP_CONFIG_CHECK_FAILED}" The remote backup symbolic link ~/$(hostname -s) does not exit, create it;"
+	echo -e "${RED}The remote backup symbolic link does not exist : check KO${NC}\n"
+# Service started without error
+else
+        echo -e "${GREEN}The remote backup symbolic link exist : check OK${NC}\n"
+fi
+
+# Check if the cron task is configured
+crontab -l |grep -q '${BACKUP_SCRIPT}'
+RCa=${?} # First Return Code
+grep -q '${BACKUP_SCRIPT}' /etc/cron.d/*
+RCb=${?} # Second Return Code
+grep -q '${BACKUP_SCRIPT}' /etc/crontab
+RCc=${?} # Third Return Code
+if [[ ${RCa} -ne 0 ]] && [[ ${RCb} -ne 0 ]] && [[ ${RCc} -ne 0 ]]
+then
+        AUTOBACKUP_CONFIG_CHECK_FAILED=${AUTOBACKUP_CONFIG_CHECK_FAILED}" No cron entry for auto-backup, configure it;"
+	echo -e "${RED}NO cron entry for auto-backup : check KO${NC}\n"
+# Service started without error
+else
+        echo -e "${GREEN}Cron entry for auto-backup  exist: check OK${NC}\n"
+fi