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Valentin Lab 91bfd7ba9b fix: [gogocarto] improve solidity of cron scripts facing the ``no-matching-entries`` bug 2 weeks ago
..
hooks new: [ntfy] add charm 4 months ago
lib new: [ntfy] add Firebase Cloud Messaging (FCM) support 4 months ago
README.org new: [ntfy] add some minimal documentation on the ``ntfy`` command line and authentication options 4 months ago
metadata.yml new: [ntfy] add charm 4 months ago

README.org

Usage

Basic usage

ntfy:
  options:
    ## These are default of the charm (different from default of `ntfy`)
    #auth-default-access: deny-all
    #enable-signup: false
    #enable-login: true
    #enable-reservations: true

Any option from the help of ntfy can be used, to the exception of firebase-key-file.

To setup firebase, there are some slight differences you can find here.

Creating an admin account

By default, ntfy doesn't provide any account nor permissions. This charm will enforce a different stance, and by default will not allow anything without permission.

If you want to follow this route, you'll need to create an admin account:

You need to attach to the ntfy container:

docker exec -ti myproject_ntfy_1 sh
ntfy user add --role=admin admin

Adding user

For listening topics

ntfy user add myuser

To set access to topics

ntfy access myuser mytopic read-only

Create a token for a user

This allows to give a kind of secret key that is revokable. You would do this to distribute access to services that would need to send notification.

To create a token from a user:

ntfy token add admin

Connection with Firebase

I you build your own Android/IOS ntfy app, you can use Firebase Cloud Messaging (FCM) to send notification through official channel. To configure your server to send notification with Firebase you can:

ntfy:
  options:
    firebase: ## content of your firebase service key file in yaml
      type: service_account
      project_id: myfirebase-project
      private_key_id: 0ebce...41480
      private_key: |
        -----BEGIN PRIVATE KEY-----
        MzynkLGbScqN4XAWCU84Q6LLi6MFsnDyrA883Cdkttg1zI62q/BohgIck+897oyb
        ..
        ifQT/X7DVZl42p0M1mwwdAS8Ig==
        -----END PRIVATE KEY-----
      client_email: firebase-adminsdk-fodhh@ntfy-0k.iam.gserviceaccount.com
      client_id: "101777552980915316312"
      auth_uri: https://accounts.google.com/o/oauth2/auth
      token_uri: https://oauth2.googleapis.com/token
      auth_provider_x509_cert_url: https://www.googleapis.com/oauth2/v1/certs
      client_x509_cert_url: https://www.googleapis.com/robot/v1/metadata/x509/firebase-adminsdk-fxdhj%40myfirebase-project.iam.gserviceaccount.com

To produce the output from the private service key file you created in Firebase you could:

cat myfirebase-project-firebase-adminsdk-fxdhj-6eaewk4a4.json | yq -p json -o yaml

To get more information about how to deploy your own app ntfy's doc about FCM might be helpful.