Duplicati and Telegram

We need telegramm API support for sending information about backup to Telegram group, with data (and variables) about the backup, errors, etc.

Now i sent to Telegram via bash scripts, but in this case I do not know the information about the backup. Is it possible to get them somehow through the console, for example?

You can extract the information via the --run-script-after option.
There is an example and some documentation here:

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Can you tell which bash script are you using? We too want to implement telegram

Welcome to the forum @bd8392

If you’re trying to get a previous poster’s attention, especially awhile later, using the Reply button on a particular post will do better than the Reply button for the topic at the bottom (which won’t send email).

Mentions like the following also work, but if @Igor_Goloma is unable to help, another method may be Apprise - Push Notifications that work with just about every platform! as now supported by dupReport.

Announcing dupReport - A Duplicati Email Report Summary Generator will discuss this third-party tool.

Notify_telegram is the Apprise page on Telegram Notifications.

Thanks for all the Info :slight_smile: I’ve used apprise with https://github.com/circa10a/ouroboros. But how do I implement apprise with duplicati? :slight_smile: in the ouroboros imagem it’s already included…do I need dupReport or can I configure it without this “overlay” program

Through dupReport, as mentioned. Look at [apprise] Section - Apprise Push Notifications
Yes, you need this third party separate program. Duplicati has no built-in Apprise support.

EDIT: Unless you want to do it yourself in Duplicati, using scripting and maybe other tools.
A web search shows that command line clients exist, so perhaps you can run one directly.

Okay thank you :slight_smile: I will see how I implement…a direct way would be better :slight_smile: I’d look into the script if I find some :slight_smile: thanks for the help :slight_smile:

@ts678 @Igor_Goloma Okay I managed to implement an apprise api into my server. it works with simple curl, but the bash script doesn’t work in duplicati…it looks the following:

curl -X POST -d '{"urls":"tgram://apikey", "body":"${PARSEDRESULT}, Operation: ${OPERATIONNAME}, Name: ${backup-name}", "title":"Duplicati_Rancher_Home"}' -H "Content-Type: application/json" http://apprise:8000/notify/ 

it works from bash, but not in duplicati…please help…

I don’t use Apprise, don’t use Telegram, and barely use curl, but these are some general comments:

It’s not clear what “works from bash” means. It wouldn’t ordinarily have those Duplicati variables in it.

If you’re trying to do environment variable substitution, this doesn’t occur inside single quoted strings such as the one given to POST -d. You can probably see what you built by echo of the line into a file.

The problem is, that I don’t get notified of anything…the variable substitution doesn’t work from bash “script name” in a Linux console…

How does duplicati call the script? Do I have to use bash script, or py script or php script?

Can you clarify? Is “script name” that two-liner, what environment variables are set, and why are you expecting them to be substituted inside the single quoted string (which doesn’t substitute variables)?

To quote the man page:

Enclosing characters in single quotes preserves the literal value of each character within the quotes. A single quote may not occur between single quotes, even when preceded by a backslash.

Process.Start Method which I assume can start anything executable by its pathname (no arguments).

Sorry I’m not so much of a scripter…I expected them to be substituted, because I thought duplicati would do it…can you provide a curl command working for apprise? I maybe can help you with docs if we got it working so the whole community can use apprise :slight_smile: it’s the most extensive messenger on logs I’ve seen so far…as a result, you won’t have any development, and a whole lot of notification-functions :slight_smile: you than can provide a working script in the duplicati docs :slight_smile: I hope I can help with this…

Duplicati sets environment variables for a script, program, etc. to use however it’s written to use them. Duplicati won’t do the substitution for you. How could it do that if you were using a compiled program?

If you want to use a bash script, you can substitute inside double quotes, but I think the JSON will also require double quotes. Possibly there’s a better way, but one solution is to escape double quotes when they’re meant to be literal double quotes inside a double quoted string. It gets messy, but maybe it’d be

curl -X POST -d "{\"urls\":\"tgram://apikey\", \"body\":\"${PARSEDRESULT}, Operation: ${OPERATIONNAME}, Name: ${DUPLICATI__backup_name}\", \"title\":\"Duplicati_Rancher_Home\"}" -H "Content-Type: application/json" http://apprise:8000/notify/

You can test that by putting echo in front, and if you want to redirect to a file, add > /some/path at end.
Setting environment variables by hand for a test at your bash prompt can be done. Here’s an example:

$ export DUPLICATI__backup_name="dummy backup-name"
$ echo curl -X POST -d "{\"urls\":\"tgram://apikey\", \"body\":\"${PARSEDRESULT}, Operation: ${OPERATIONNAME}, Name: ${DUPLICATI__backup_name}\", \"title\":\"Duplicati_Rancher_Home\"}" -H "Content-Type: application/json" http://apprise:8000/notify/
curl -X POST -d {"urls":"tgram://apikey", "body":"dummy PARSEDRESULT, Operation: dummy OPERATIONNAME, Name: dummy backup-name", "title":"Duplicati_Rancher_Home"} -H Content-Type: application/json http://apprise:8000/notify/


in case you’re wondering why ${DUPLICATI__backup_name} is used in that, instead of $backup-name

Wow! Thanks for all the effort! I really appreciate it! :slight_smile: I"ll try the script and report if it works :slight_smile: Then I try to gonna write the steps down to get apprise working with docker :-)I really wanted to thank you for all the help @ts678! I hope I get it working :slight_smile:

@ts678 okay no matter what I did, I was not ble to get apprise working with script…duplicati always shows “you’ve got 1 warning” when I define script, but the logs show nothing…so I can’t debug…when I execute the script on host, everything works…

also here:

Viewing the Duplicati Server Logs at About → Show log → Live → Warning might give some info. Technically the backup has already completed at script time, so the usual job log lacks script errors.

You could certainly do the echo-to-a-file test I’ve talked about several times. See how far script gets.
How quickly does the warning happen? There are lots of timeouts, but are you sure you got started?

How exactly? If you say bash <scriptname>, for example, it will work even if you forgot chmod +x.

I’m also still not hearing how you set up environment variables. Or does “everything works” mean with dummy settings like I used? One other issue I spotted in terms of working with Duplicati’s variables is:

The latter goes a step further than usual, because it adds an underscore inside PARSED_RESULT.

An issue I noticed with curl is that it tried writing its progress meter, which I didn’t really want in the scripted method (it makes more sense with a terminal), so I added --silent to the options for curl.

If you wonder how I saw what curl was writing, I used nc -l -p 8000, and had the curl script talk to it. Problem is that it wants a response to its POST. It can be typed in, but simpler test is to see POST:

$ nc -l -p 8000
POST /notify/ HTTP/1.1
Host: localhost:8000
User-Agent: curl/7.47.0
Accept: */*
Content-Type: application/json
Content-Length: 109

{"urls":"tgram://apikey", "body":"Success, Operation: Backup, Name: test2", "title":"Duplicati_Rancher_Home"}

Above was from a successful backup using the following script. Note I’m using localhost for the test.

$ ls -ln apprise.sh
-rwxr-xr-x 1 1000 1000 288 Apr  7 12:46 apprise.sh
$ cat apprise.sh
curl --silent -X POST -d "{\"urls\":\"tgram://apikey\", \"body\":\"${DUPLICATI__PARSED_RESULT}, Operation: ${DUPLICATI__OPERATIONNAME}, Name: ${DUPLICATI__backup_name}\", \"title\":\"Duplicati_Rancher_Home\"}" -H "Content-Type: application/json" http://localhost:8000/notify/
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@ts678 OMG THANK YOU THANK YOU TAHNK YOU =) It’s working =) I’m very happy with the result =) Here is the step by step guide =):

1) Install docker and the aprise appi with the following config

version: '3.3'

    image: caronc/apprise:latest

version: '3.3'
    image: linuxserver/duplicati:latest
      PGID: '0'
      PUID: '0'
      TZ: Europe/Vienna
     - 8200:8200
     - somevolume/config
     - backupvolume/backup
     - sourcevolume/source

2) Write a script for the aprise api (thanks to ts678 and all his effort getting this going) =)

curl -s -X POST -d "{\"urls\":\"tgram://apikey/chatid/\", \"body\":\"${DUPLICATI__PARSED_RESULT} with ${DUPLICATI__OPERATIONNAME}, Backupname: ${DUPLICATI__backup_name}\", \"title\":\"Duplicati_Rancher_Home\"}" -H "Content-Type: application/json" http://apprise:8000/notify
exit 0

you can adjust the url to your notification-needs with this guide: Home · caronc/apprise Wiki · GitHub
so you can choose any notification you want! Be carefull with the json format…it’s very sensitive!
Just include exit 0 so duplicati doesn’t complain about exiting with error 255

3) Upload the script to /config/scripts directory INSIDE the linuxserver/duplicati docker-container
(If you scripted it on windows, install dos2unix (on wsl or on another unix machine) first, and convert the file before uploading!) use the following command:

dos2unix [nameofscript]

after uploading, set the script executable INSIDE the container:

docker exec duplicati chmod +x /conf/scripts/nameofscript

4) Specify a Backupjob with the following advanced options:


you can also specify it globally under the settings page, and set the advanced option there. If you do this, it’s applied to all your jobs.

5) ENJOY =)
Thanks again to @ts678 who putted a lot of effort in this =) and saarg from linuxserver/duplicati who helped here: Setup a --run-script-after in duplicati - Container Support - LinuxServer.io



I’ve tried to setup telegram notifications, too. Already had success with the following expert options:

–send-http-url=https://api.telegram.org/bot[TELEGRAM_BOT_ID]:[TELEGRAM_BOT_KEY]/sendMessage --send-http-extra-parameters=“chat_id=[TELEGRAM_CHAT_ID]” --send-http-message-parameter-name=text

My problem now is, it only emits “success” reports to the telegram chat. I’ve tried to delete a single ASCII character from a .dindex file on the target to simulate an error and it didn’t get sent over to Telegram. The Web UI of duplicati beta (2020/01) displays the warning correct in the bottom red alert box telling me the backup failed.

How can I select to get all failures but no successes to the chat?