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Follow-up to this Q&A.

According to this and this documentation it should be possible to define a default vault password file by specifying vault_password_file = ~/.vault_pass.txt in one of the following files:

* ANSIBLE_CONFIG (an environment variable)
* ansible.cfg (in the current directory)
* .ansible.cfg (in the home directory)
* /etc/ansible/ansible.cfg

Although the password file exists and the log indicates that the ansible.cfg is used that contains the definition, the decryption fails:

user@host$
Using /etc/ansible/ansible.cfg as config file
ERROR! Decryption failed on /path/to/ansible/group_vars/production/vault

Discussion

  • Is the pass correct for this vault?

Yes. When ansible is run using --vault-password-file=~/.vault_pass.txt the decryption succeeds.

  • Just so that we're clear - the name of the environment variable is ANSIBLE_VAULT_PASSWORD_FILE, correct?

No. When this variable is used it works, but the aim is to set it in the ansible.cfg by setting /etc/ansible/ansible.cfg.

  • What Ansible version is used?

    user@host:/dir$ ansible --version
ansible 2.2.2.0
    config file = /etc/ansible/ansible.cfg
    configured module search path = Default w/o overrides

  • Does using a full path in the config works?

The decryption failes as well when the full path instead of ~, i.e. /home/user/.vault_pass.txt was specified.

Community
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3 Answers3

2

I found an issue with Ansible/Python causing a failure to decrypt.

Specifically, Ansible 2.7.10 and 2.7.13 under Python 3.6.8 on Ubuntu 18.04 would not decrypt (using ansible-vault edit -vvvvv) a vault file that was identical to file that decrypted OK on macOS 10.13 using Python 3.7.2 with same Ansible versions.

Upgrading to Python 3.7.3 on Ubuntu (using apt-get install python3.7 on 18.04) fixed this.

Your issue may be different, but if on Python 3.6 or lower, I would try upgrading to 3.7.

RichVel
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1

It is unclear why it failed, but setting vault_password_file = ~/.vault_pass.txt in /etc/ansible/ansible.cfg was sufficient.

030
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-1

According to the docs,

You can also set ANSIBLE_VAULT_PASSWORD_FILEenvironment variable, e.g. ANSIBLE_VAULT_PASSWORD_FILE=~/.vault_pass.txtand Ansible will automatically search for the password in that file.

Ensures that you are using the exact same case.

Findarato
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