`!vault` encrypted strings no longer decrypting after 2.19 upgrade

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1

Hello! I’ve been making extensive use of vault encrypted strings like this

test: !vault |
          $ANSIBLE_VAULT;1.1;AES256
          32313565333766366161623238333866356334363961326362336537666336643564383363316664
          6365663430383564623464386338623536363465393962320a386130306665653734316432316265
          62393235353362393334383862393538646134393735393434613862323139333732353333366136
          3563613331393237310a626362373031646265386461616537386232336234363361363361333533
          363

I provide the password file via the ANSIBLE_VAULT_PASSWORD_FILE environment variable.
On 2.18.8 this works all fine, however on 2.19 the strings are now placed as they are into the templates and are no longer being decrypted.
I could find nothing in the changelog that would indicate that this feature was changed.

For completeness I use this script to encrypt

#! /bin/bash

# Switch to script dir
cd "$(dirname "${BASH_SOURCE[0]}")" || exit 1

if [[ ! ( -n "$ANSIBLE_VAULT_PASSWORD_FILE" && -f "$ANSIBLE_VAULT_PASSWORD_FILE" ) ]]; then
	echo "Vault Password File not found."
	echo "Make sure the environment variable ANSIBLE_VAULT_PASSWORD_FILE is set to the password file"

	exit 1
fi

# Ansible is fussy about that
chmod 600 "$ANSIBLE_VAULT_PASSWORD_FILE"

variable="${1:-variable}"

if [ $# -ge 2 ]; then
	value="$2"
else
	read -r -p "Enter value for the variable \"$variable\": " value
fi

ansible-vault \
	encrypt_string \
	"--vault-password-file=$ANSIBLE_VAULT_PASSWORD_FILE" \
	--encrypt-vault-id default \
	--name "$variable" \
	"$value"

and no flags related to the vault on the actual ansible CLI.

As an important note, I do need this to continue to work on both versions unfortunately.

2

You have not provided enough information to reproduce this issue. How are you using this variable?

$ cat group_vars/all.yml
test: !vault |
          $ANSIBLE_VAULT;1.1;AES256
          39396431376337393065666330653666646134396166663637326464633637366236396661663964
          6131386237643066633763656265643961386431653533300a303032356432643337623462633033
          64356437623761376463316161616461356430326263303032646233646363313739616334356232
          6262633637376539380a326364363437636432666136316539613964326432323161666564663130
          3137

$ cat test.yml
- hosts: localhost
  gather_facts: false
  tasks:
    - template:
        src: test.j2
        dest: /tmp/atest

$ cat test.j2
The value of test is {{ test }}

$ ansible-playbook test.yml
PLAY [localhost] ***************************************************************

TASK [template] ****************************************************************
changed: [localhost]

PLAY RECAP *********************************************************************
localhost                  : ok=1    changed=1    unreachable=0    failed=0    skipped=0    rescued=0    ignored=0

$ cat /tmp/atest
The value of test is foo