[ansible-project] debconf with variable is not really idempotent?

[Phyks]

Hi,

I am using the following line in an Ansible playbook:

```
debconf: name={{ item.name }} question={{ item.question }} vtype={{
item.vtype }} value={{ item.value }}
with_items:
- { name: "mariadb-server-10.0", question:
"mysql-server/root_password", vtype: "password", value:
"{{mysql_root_password}}"}
- { name: "mariadb-server-10.0", question:
"mysql-server/root_password_again", vtype: "password", value:
"{{mysql_root_password}}"}
```

But the task is marked as "changed" at every execution. I would expect
it to be changed only if the values are different than the previous ones
and skipped otherwise.

Moreover, when the value is explicitly given (instead of referencing a
variable), the behaviour is as expected and the task is skipped if it
was already set.

Is it a bug or an expected feature?

Thanks!

[Brian Coca]

passwords cannot be read, so they always appear as changed, this is a
limitation of debconf itself.

all other field types should work as you expect

[Phyks]

Ok, I did not know about it. I confirm I only have this behavior with
password fields.

Thanks

Post by Brian Coca
passwords cannot be read, so they always appear as changed, this is a
limitation of debconf itself.
all other field types should work as you expect
--
Brian Coca
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[Mischa ter Smitten]

Is there any way to work around that?

[Brian Coca]

Not that i know of, debian's debconf deals with passwords this way,
probably to prevent possible security issues.

If someone figures out a way to compare all the passwords, I'm all
open. In the mysql case we can read the /etc/my.cnf, but ... really we
should not be doing that.

[Phyks]

Sounds like all password fields are not treated this way.

Indeed, `debconf-get-selections` returns:
mariadb-server-10.0 mysql-server/root_password_again password THE_PASSWORD
--
Phyks

Post by Brian Coca
Not that i know of, debian's debconf deals with passwords this way,
probably to prevent possible security issues.
If someone figures out a way to compare all the passwords, I'm all
open. In the mysql case we can read the /etc/my.cnf, but ... really we
should not be doing that.
--
Brian Coca
--
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For more options, visit https://groups.google.com/d/optout.