migrate

borg-database-backup.sh

@@ -0,0 +1,53 @@
+#!/bin/sh
+
+# Borg repo location
+REPOSITORY=/var/backup/database.borg/
+# Example of remote repo
+# REPOSITORY=ssh://backuper@192.168.1.100/var/backup/database.borg/
+
+borgDoBackup() {
+
+        sudo -u postgres pg_dumpall > /var/backups/posgresql.sql
+        borg create -v --stats --compression zlib,6 $REPOSITORY::`date +%Y-%m-%d-%H:%M` /var/backups/posgresql.sql
+        rm /var/backups/posgresql.sql
+        borg prune -v $REPOSITORY --keep-daily=3 --keep-weekly=2 --keep-monthly=12
+        echo "`date +[%F/%T]` Done!"
+
+}
+
+repoid=$(grep "id" $REPOSITORY/config | awk '{print $3}')
+procid=$(pgrep borg | tail -1)
+
+if [ -d $REPOSITORY/lock.exclusive ] || [ -d /root/.cache/borg/$repoid/lock.exclusive ]; then
+
+        if [ ! -z $procid ]; then
+
+                echo "`date +[%F/%T]` Seems like the borg repo is busy at the moment, I will try again in 30 min"
+                at now + 30 minutes -f $0
+                exit
+
+        else
+
+                if [ -d $REPOSITORY/lock.exclusive ]; then
+
+                        rm -r $REPOSITORY/lock.*
+
+                fi
+                if [ -d /root/.cache/borg/$repoid/lock.exclusive ]; then
+
+                        rm -r /root/.cache/borg/$repoid/lock.*
+
+                fi
+
+                borgDoBackup
+
+        fi
+
+else
+
+        borgDoBackup
+
+fi
+
+
+exit

borg-file-backup.sh

@@ -0,0 +1,53 @@
+#!/bin/sh
+
+# Borg repo location
+REPOSITORY=/var/backup/files.borg/
+# Example of remote repo
+# REPOSITORY=ssh://backuper@192.168.1.100/var/backup/files.borg/
+
+
+borgDoBackup() {
+
+        echo "`date +[%F/%T]` Starting the backup"
+        borg create -v --compression lzma,6 --stats $REPOSITORY::`date +%Y-%m-%d-%H:%M` /etc/ /var/www/ /var/spool/ --exclude=*.log
+		borg prune -v $REPOSITORY --keep-daily=3 --keep-weekly=2 --keep-monthly=12
+        echo "`date +[%F/%T]` Done!"
+
+
+}
+
+repoid=$(grep "id" $REPOSITORY/config | awk '{print $3}')
+procid=$(pgrep borg | tail -1)
+
+if [ -d $REPOSITORY/lock.exclusive ] || [ -d /root/.cache/borg/$repoid/lock.exclusive ]; then
+
+        if [ ! -z $procid ]; then
+
+                echo "`date +[%F/%T]` Seems like the borg repo is busy at the moment, I will try again in 30 min"
+                at now + 30 minutes -f $0
+                exit
+
+        else
+
+        if [ -d $REPOSITORY/lock.exclusive ]; then
+
+                rm -r $REPOSITORY/lock.*
+
+        fi
+        if [ -d /root/.cache/borg/$repoid/lock.exclusive ]; then
+
+                rm -r /root/.cache/borg/$repoid/lock.*
+
+        fi
+
+                borgDoBackup
+
+        fi
+
+else
+
+        borgDoBackup
+
+fi
+
+exit

borg-remote-maintainance.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+
+borgRepos=$(find ~/path/to/backups/ -type d -name "*.borg")
+for REPOSITORY in ${borgRepos}; do
+
+        borg prune -v $REPOSITORY --keep-daily=3 --keep-weekly=2 --keep-monthly=12
+
+done
+
+exit

cloudflare-ddns.sh

@@ -0,0 +1,46 @@
+#!/bin/bash
+
+# Cloudflare zone is the zone which holds the record
+zone=example.com
+# dnsrecord is the A record which will be updated
+dnsrecord=ddns.example.com
+
+## Cloudflare authentication details
+## keep these private
+cloudflare_auth_email=mail@example.com
+cloudflare_auth_key=s3rys3cr3tcl0udfl4ret0ken
+
+# Get the current external IP address
+ip=$(curl -s -X GET https://ifconfig.me)
+
+echo "Current IP is $ip"
+
+if host $dnsrecord 1.1.1.1 | grep "has address" | grep "$ip"; then
+  echo "$dnsrecord is currently set to $ip; no changes needed"
+  exit
+fi
+
+# if here, the dns record needs updating
+
+# get the zone id for the requested zone
+zoneid=$(curl -s -X GET "https://api.cloudflare.com/client/v4/zones?name=$zone&status=active" \
+  -H "X-Auth-Email: $cloudflare_auth_email" \
+  -H "X-Auth-Key: $cloudflare_auth_key" \
+  -H "Content-Type: application/json" | jq -r '{"result"}[] | .[0] | .id')
+
+echo "Zoneid for $zone is $zoneid"
+
+# get the dns record id
+dnsrecordid=$(curl -s -X GET "https://api.cloudflare.com/client/v4/zones/$zoneid/dns_records?type=A&name=$dnsrecord" \
+  -H "X-Auth-Email: $cloudflare_auth_email" \
+  -H "X-Auth-Key: $cloudflare_auth_key" \
+  -H "Content-Type: application/json" | jq -r '{"result"}[] | .[0] | .id')
+
+echo "DNSrecordid for $dnsrecord is $dnsrecordid"
+
+# update the record
+curl -s -X PUT "https://api.cloudflare.com/client/v4/zones/$zoneid/dns_records/$dnsrecordid" \
+  -H "X-Auth-Email: $cloudflare_auth_email" \
+  -H "X-Auth-Key: $cloudflare_auth_key" \
+  -H "Content-Type: application/json" \
+  --data "{\"type\":\"A\",\"name\":\"$dnsrecord\",\"content\":\"$ip\",\"ttl\":1,\"proxied\":false}" | jq