Here is a quick sample to show how Ansible can get the value from a dictionary:
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| — | |
| – hosts: localhost | |
| vars: | |
| accounts: | |
| dev: | |
| account: 123 | |
| contact: Jackie@123.com | |
| uat: | |
| account: 456 | |
| contact: Jackie@456.com | |
| prd: | |
| account: 789 | |
| contact: Jackie@789.com | |
| gather_facts: no | |
| tasks: | |
| – name: Find account information method 1 | |
| debug: | |
| msg: "{{ env }} account number is {{ item.value.account }}, contact email is {{ item.value.contact }}" | |
| loop: "{{ lookup('dict', accounts) }}" | |
| when: "env in item.key" | |
| – name: Find account information method 2 | |
| debug: | |
| msg: "{{ env }} account number is {{ accounts[env].account }}, contact email is {{ accounts[env].contact }}" | |
To test it:
ansible-playbook accounts.yaml -e env=dev
Jackie Chen's IT Workshop 
This is the first time I’ve come across this simple construction:
– name: Find account information method 2
debug:
msg: “{{ env }} account number is {{ accounts[env].account }}
Very helpful. Thank you!