After changing paswords in vault.yml, deployment fails in trellis - wordpress

Question

I had a wordpress site setup using Trellis. Initially I had set up the server and deployed without encrypting the vault.yml.
Once everything was working fine I changed the passwords in vault.yml and encrypted the file. But my deployment fails now.
And I get the following error-
TASK [deploy : WordPress Installed?]
**************************
System info:
Ansible 2.6.3; Darwin
Trellis version (per changelog): "Allow customizing Nginx `worker_connections`"
---------------------------------------------------
non-zero return code
Error: Error establishing a database connection. This either means that
the username and password information in your `wp-config.php` file is
incorrect or we can’t contact the database server at `localhost`. This
could mean your host’s database server is down.
fatal: [mysite.org]: FAILED! => {"changed": false,
"cmd": ["wp", "core", "is-installed", "--skip-plugins", "--skip-
themes", "--require=/srv/www/mysite.org/shared/tmp_multisite_constants.php"], "delta":
"0:00:00.224955", "end": "2019-01-04 16:59:01.531111",
"failed_when_result": true, "rc": 1, "start": "2019-01-04
16:59:01.306156", "stderr_lines": ["Error: Error establishing a
database connection. This either means that the username and password
information in your `wp-config.php` file is incorrect or we can’t
contact the database server at `localhost`. This could mean your host’s
database server is down."], "stdout": "", "stdout_lines": []}
to retry, use: --limit
#/Users/praneethavelamuri/Desktop/path/to/my/project/trellis/deploy.retry
Is there any step I missed? I followed these steps-
ansible-playbook server.yml -e env=staging
./bin/deploy.sh staging mysite.org
change passwords in staging/vault.yml
set vault password
inform ansible about password
encrypt the file
commit the file and push the repo
re deploy and then I get the error!

Answer 1

I got it solved. I have changed the sudo user password too in my vault. so ssh into server and changing sudo password to the password mentioned in vault and then provisioning it and then deploying solved the issue.