---
- name: backup bootstrap
  hosts: localhost
  gather_facts: false
  vars_files: main.yml
  tasks: 
    - name: Assert environment variable is not empty
      ansible.builtin.include_tasks: "tasks/assert_env_var_not_empty.yml"
      with_items: "{{ BOOTSTRAP_REQUIRED_ENV_VARS }}"

    - name: Download secrets.tar.gz.enc
      ansible.builtin.get_url:
        url: "https://{{ CLOUD_SERVER }}/s/{{ lookup('env','KEY') }}/download?path=%2F&files=secrets.tar.gz.enc"
        dest: "{{ WORKDIR }}/secrets.tar.gz.enc"
    
    - name: Install openssh-client
      ansible.builtin.package:
        name: openssh-client
        state: present
    
    - name: Create /root/.ssh directory
      ansible.builtin.file:
        path: /root/.ssh
        state: directory
        mode: '0700'
    
    - name: Extract required secrets from secrets.tar.gz.enc
      shell: "openssl enc -aes-256-cbc -md md5 -pass env:SECRETS_ARCHIVE_PASSPHRASE -d -in /root/secrets.tar.gz.enc | tar -zxv -C {{ item.dir }} --strip 2 {{ item.name }}"
      with_items:
        - name: secrets/docker-duplicity-stack/mail_credentials.json
          dir: /root/
        - name: secrets/bootstrap/id_rsa
          dir: /root/.ssh

    - name: Change secret file permissions
      ansible.builtin.file:
        path: "{{ item }}"
        mode: '0400'
        owner: root
        group: root
      with_items:
        - /root/mail_credentials.json
        - /root/.ssh/id_rsa

    - name: Copy ssh config
      ansible.builtin.copy:
        src: /root/duplicity_playbooks/files/config
        dest: /root/.ssh/config
        mode: '0640'
        owner: root
        group: root

    - name: Extract from secrets.tar.gz.enc
      shell: "openssl enc -aes-256-cbc -md md5 -pass env:SECRETS_ARCHIVE_PASSPHRASE -d -in {{ WORKDIR }}/secrets.tar.gz.enc | tar -zxv -C {{ WORKDIR }}"

    - name: Retrieve documentation
      ansible.builtin.get_url:
        url: "https://{{ CLOUD_SERVER }}/s/{{ lookup('env','DOC_KEY') }}/download"
        dest: "{{ WORKDIR }}/Documentation.md"

    - name: Copy new documentation
      ansible.builtin.copy:
        src: "{{ WORKDIR }}/Documentation.md"
        dest: "{{ WORKDIR }}/secrets/bootstrap/Documentation.md"
      register: copy_output

    - name: Create secrets.tar.gz.enc
      shell: "tar -czvpf - -C {{ WORKDIR }} secrets | openssl enc -aes-256-cbc -md md5 -pass env:SECRETS_ARCHIVE_PASSPHRASE -salt -out {{ WORKDIR }}/secrets.tar.gz.enc"
      when: copy_output is changed

    - name: Copy mail content
      ansible.builtin.copy:
        content: "Secrets archive has changed. New file attached."
        dest: "{{ WORKDIR }}/mail"
      when: copy_output is changed

    - name: Install python2
      ansible.builtin.package:
        name: python2
        state: present
      when: copy_output is changed

    - name: Copy sendmail.py
      ansible.builtin.copy:
        src: /root/duplicity_playbooks/files/sendmail.py
        dest: /root/sendmail.py
        mode: '0770'
      when: copy_output is changed

    - name: Send mail with new secrets
      ansible.builtin.command: "/root/sendmail.py -a {{ WORKDIR }}/secrets.tar.gz.enc {{ WORKDIR }}/mail /root/mail_credentials.json"
      when: copy_output is changed

    - name: Copy new secrets in Nextcloud share
      ansible.builtin.copy:
        src: "{{ WORKDIR }}/secrets.tar.gz.enc"
        dest: /mnt/cloud/Passwords/secrets.tar.gz.enc
      when: copy_output is changed

    - name: Create /mnt/archives_critiques/secrets directory on serveur-appart
      ansible.builtin.file:
        path: /mnt/archives_critiques/secrets
        state: directory
        owner: yohan
        group: yohan
      remote_user: yohan
      vars:
        ansible_ssh_port: 2224
      delegate_to: chez-yohan.scimetis.net
      become: true

    - name: Get checksum of secrets.tar.gz.enc
      ansible.builtin.stat:
        path: "{{ WORKDIR }}/secrets.tar.gz.enc"
      register: stats_output

    - name: Copy new secrets on serveur-appart
      ansible.builtin.copy:
        src: "{{ WORKDIR }}/secrets.tar.gz.enc"
        dest: "/mnt/archives_critiques/secrets/secrets.tar.gz.enc-{{ stats_output.stat.checksum }}"
      remote_user: yohan
      vars:
        ansible_ssh_port: 2224
      delegate_to: chez-yohan.scimetis.net

    - name: Clone repo
      ansible.builtin.git:
        repo: 'https://{{ GIT_SERVER }}/yohan/{{ item }}.git'
        dest: "{{ WORKDIR }}/{{ item }}"
      with_items: "{{ BOOTSTRAP_REPOS }}"

    - name: Create backup directory
      ansible.builtin.file:
        path: "{{ WORKDIR }}/backup"
        state: directory

    - name: Archive Git repository
      ansible.builtin.command: "tar -czf {{ WORKDIR }}/backup/{{ item }}.tar.gz -C {{ WORKDIR }} {{ item }}"
      with_items: "{{ BOOTSTRAP_REPOS }}"

    - name: Copy secrets in backup directory
      ansible.builtin.copy:
        src: "{{ WORKDIR }}/secrets.tar.gz.enc"
        dest: "{{ WORKDIR }}/backup/secrets.tar.gz.enc"

# python3-swiftclient is a requirement of duplicity
    - name: Install python3-swiftclient
      ansible.builtin.package:
        name: python3-swiftclient
        state: present

    - name: Backup with duplicity
      ansible.builtin.command: "duplicity --num-retries 3 --full-if-older-than 1M --progress --archive-dir {{ ARCHIVE_DIR }} --name {{ lookup('env','BACKUP_WORKFLOW') }} --allow-source-mismatch '{{ WORKDIR }}/backup' swift://{{ lookup('env','BACKUP_WORKFLOW') }}"
      environment: "{{ DUPLICITY_ENVIRONMENT }}"

    - name: Clean old duplicity backups
      ansible.builtin.command: "duplicity remove-older-than 2M --archive-dir {{ ARCHIVE_DIR }} --name {{ lookup('env','BACKUP_WORKFLOW') }} --allow-source-mismatch --force swift://{{ lookup('env','BACKUP_WORKFLOW') }}"
      environment: "{{ DUPLICITY_ENVIRONMENT }}"