Cannot access Apache Airflow web UI when enabling authenticate = True - airflow

Question

I have apache airflow running perfectly fine with default settings, when I set authenticate = False in the the airflow.cfg file
But I am unable to access the Web UI when i set authenticate = True
I am following the instructions from the website
https://incubator-airflow.readthedocs.io/en/latest/security.html
I am using Version : 1.10.1
When i try to access web ui, I get the message
This site can’t be reached or too many redirects
airflow.cfg file
[webserver]
authenticate = True
auth_backend = airflow.contrib.auth.backends.password_auth
Create my user with python
import airflow
from airflow import models, settings
from airflow.contrib.auth.backends.password_auth import PasswordUser
user = PasswordUser(models.User())
user.username = 'my.user'
user.email = 'my.user#company.com'
user.password = 'password'
session = settings.Session()
session.add(user)
session.commit()
session.close()
exit()
restart airflow

Answer 1

I've tried the way same as yours to create airflow user, it couldn't work.
Simply you can use command like this airflow create_user -r Admin -u admin -e admin#example.com -f admin -l user -p test in airflow webserver shell.

Answer 2

Try this way
Activate you airflow python environment and start python shell.
Then with the help of these commands you can easily set a new user in airflow.
>>> import airflow
>>> from airflow import models, settings
>>> from airflow.contrib.auth.backends.password_auth import PasswordUser
>>> user = PasswordUser(models.User())
>>> user.username = 'new_user_name'
>>> user.email = 'new_user_email#example.com'
>>> user.password = 'set_the_password'
>>> session = settings.Session()
>>> session.add(user)
>>> session.commit()
>>> session.close()
>>> exit()

Answer 3

I got the same error after debugging for 3 hours I found that I had a tiny mistake, It is because while you creating users for airflow you didn't specified role. I don't know what is the default role. But if the Default role is Public (Available roles are Admin, User, Viewer, Public, and Op) then even after successful login you redirect to the homepage, but Public role doesn't have permission to view dags. So if you see the webserver log you see a warning message like cannot index on airflow. So I would recommend you to create a user with respective requirements.
For example use CLI for creating user of airflow.
$ airflow create_user -h shows command options, and then set params according to them.
$ airflow create_user -r Viewer -u <username> -p <login_password whatever you want> -f <first name> -l <last_name> -e <email_id>
Hope that works for you, it was working for me. ps: I'm using google_auth as backend.

Answer 4

create_user seems to be deprecated, so please use this:
airflow users create --username admin --role Admin --email A#B.com --firstname A --lastname B