(Grav GitSync) Automatic Commit from tanshu
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tanshu
GitSync
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---
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title: 'mikrotik DDNS 2'
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title: 'mikrotik Configuration Autobackup'
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---
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#### 1. Script for DDNS
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Create the following script with name `TanDNS` and the following permissions `write, test, read, policy`
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Create the following script with name `TanBack` and the following permissions `ftp,read,write,policy,test,sensitive`
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```
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# Tanshu automatic DNS updates
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# User account info
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:local user "user"
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:local pass "123456"
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# Set the hostname or label of network to be updated.
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:local host "home.tanshu.com"
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# Change to the name of interface that gets the changing IP address
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:local inetinterface "pppoe-out1"
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#- No more changes need -------------------------------------------------------------
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:global previousIP;
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:if ([/interface get $inetinterface value-name=running]) do={
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# Get the current IP on the interface
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:local currentIP [/ip address get [find interface="$inetinterface" disabled=no] address];
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# Strip the net mask off the IP address
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:for i from=( [:len $currentIP] - 1) to=0 do={
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:if ( [:pick $currentIP $i] = "/") do={
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:set currentIP [:pick $currentIP 0 $i]
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}
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}
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:if ($currentIP != $previousIP) do={
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:log info "TanDNS: Update needed"
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:set previousIP $currentIP
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# The update URL. Note the "\3F" is hex for question mark (?). Required since ? is a special character in commands.
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:local url "http://bifrost.tanshu.com/update\3Fdomain=$host"
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:log info "TanDNS: Sending update for $host"
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/tool fetch url=$url user=$user password=$pass mode=http keep-result=no
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:log info "TanDNS: Host $host updated on TanDNS with IP $currentIP"
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} else={
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:log info "TanDNS: Previous IP $previousIP and current IP equal, no update need"
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}
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} else={
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:log info "TanDNS: $inetinterface is not currently running, so therefore will not update."
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}
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:local date [/system clock get date];
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:local day [:pick $date 4 6];
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:local month [:pick $date 0 3];
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:if ([$month] = "jan") do={ :set month 01 };
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:if ([$month] = "feb") do={ :set month 02 };
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:if ([$month] = "mar") do={ :set month 03 };
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:if ([$month] = "apr") do={ :set month 04 };
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:if ([$month] = "may") do={ :set month 05 };
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:if ([$month] = "jun") do={ :set month 06 };
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:if ([$month] = "jul") do={ :set month 07 };
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:if ([$month] = "aug") do={ :set month 08 };
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:if ([$month] = "sep") do={ :set month 09 };
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:if ([$month] = "oct") do={ :set month 10 };
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:if ([$month] = "nov") do={ :set month 11 };
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:if ([$month] = "dec") do={ :set month 12 };
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:local year [:pick $date 7 11];
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:local time [:pick [/system clock get time] 0 5];
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:local filename ("Data/mikrotik-Home/mikrotik_$year-$month-$day-$time.rsc");
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/export file=export.rsc;
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/tool fetch address=hopsngrains.com src-path=export.rsc user=tanshu mode=ftp password=tan12shu dst-path=($filen>
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:log info "TanBack: Backup uploaded with filename $filename"
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```
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#### 2. Schedule the script
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Create the following schedule with name `TanDNS-Update` and the following permissions `write, test, read, policy`, `5 minute` interval and `TanDNS` On Event.
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Create the following schedule with name `TanBack-Daily` and the following permissions `ftp,read,write,policy,test,sensitive`, `1 day` interval and `TanBack` On Event.
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#### 3. Server preperation
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```sh
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mkdir -p ~/Data/mikrotik-Home
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```
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#### 4. Install gdrive
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Install gdrive to backup the database to google account in case of data loss at webfaction
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Go to `https://github.com/prasmussen/gdrive` and download `gdrive-linux-x64` in `~/bin/`
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```sh
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wget -o ~/bin/gdrive $URL_FOR_GDRIVE_LINUX_X64_BINARY
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```
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Make it executable `chmod +x ~/bin/gdrive`
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#### 5. Configure Google Drive
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Link your gdrive to the account by running `gdrive list` and following the instructions.
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Create a folder called `mikrotik-Home` and get its id by running `gdrive list`.
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Create upload script named `mk.sh` in the home directory and make it executable `chmod +x ~/mk.sh`
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```sh
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#!/usr/bin/env bash
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for filename in ~/Data/mikrotik-Home/*.rsc; do
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hash=`sha512sum ${filename} | awk '{ print $1 }'`
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if grep -q "$hash" ~/Data/mikrotik-Home/mikrotik.sha512sums; then
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echo "File $(basename $filename) is uploaded"
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else
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echo "Need to upload $filename"
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sha512sum "$filename" >> ~/Data/mikrotik-Home/mikrotik.sha512sums
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~/bin/gdrive upload --delete --parent 1eO7hJ6b8_4n43B8GWSVyBtoon4vZyhs6 "$filename"
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fi
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done```
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#### 6. Automate Backups
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Edit crontab using `export VISUAL=nano; crontab -e` and add the following line
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```sh
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0 1 * * * ~/mk.sh
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```
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