encrypt2each-member.yml

#!/usr/bin/env ansible-playbook -e python_interpreter=/usr/local/bin/python3
---
# This converts vault.json unencrypted shards to Keybase encrypted.
# This enforces the Shamir Secret Sharing, after automating the unsealed Vault.

- name: Encrypt each vault.json unseal key to a Keybase Team member
  hosts: localhost
  connection: local
  become: false
  gather_facts: false

  vars_files:
    - defaults/main.yml

  tasks:

    - name: Load encrypted Vault credentials
      no_log: true
      include_vars: "{{ vault_credentials }}"
      register: json

    - name: Create arrays
      set_fact:
        pgp_unseal_keys_b64: []
        pgp_unseal_keys_hex: []

    - name: Encrypt unseal keys and encode base64
      shell: |
        set -o pipefail; \
        keybase pgp encrypt -m {{ item.0 }} -b {{ item.1 }} | base64
      with_together:
        - "{{ json.ansible_facts.unseal_keys_hex }}"
        - "{{ kbt }}"
      register: b64
      no_log: true
      changed_when: false

    - name: Encrypt unseal keys and encode hex
      shell: |
        set -o pipefail; \
        keybase pgp encrypt -m {{ item.0 }} -b {{ item.1 }} | xxd -p
      with_together:
        - "{{ json.ansible_facts.unseal_keys_hex }}"
        - "{{ kbt }}"
      register: hex
      no_log: true
      changed_when: false

    - name: Add to arrays
      set_fact:
        pgp_unseal_keys_b64: "{{ pgp_unseal_keys_b64 + [ item.0.stdout ] }}"
        pgp_unseal_keys_hex: "{{ pgp_unseal_keys_hex + [ item.1.stdout ] }}"
      with_together:
        - "{{ b64.results }}"
        - "{{ hex.results }}"
      no_log: true

    - name: Write vault.json file in KBFS
      copy:
        content: "{{ lookup('template', 'templates/vault.j2') | to_nice_json }}"
        dest: "{{ vault_credentials }}"

    - name: Encrypt vault.json with ansible-vault
      no_log: true
      environment:
        ANSIBLE_VAULT_PASSWORD_FILE: "{{ ANSIBLE_VAULT_PASSWORD_FILE }}"
      command: "ansible-vault encrypt {{ vault_credentials }}"
      changed_when: true
...