- name: Upload git mirror
  block:
    - name: Create SSH private key tempfile
      tempfile:
        state: file
      register: ssh_private_key_tmp

    - name: Set up private key
      copy:
        content: "{{ git_mirror_credentials.ssh_key }}"
        dest: "{{ ssh_private_key_tmp.path }}"
        mode: 0600
      no_log: true

    # If the markers in an id_rsa don't end with a newline some
    # versions of ssh won't read the key.
    - name: Ensure ssh_key ends with newline
      shell: |
          echo >> {{ ssh_private_key_tmp.path }}

    - name: Generate SSH configuration
      set_fact:
        ssh_config: |
            host {{ git_mirror_credentials.host }}
              HostName {{ git_mirror_credentials.host }}
              IdentityFile {{ ssh_private_key_tmp.path }}
              User {{ git_mirror_credentials.user }}

    - name: Write SSH configuration to ~/.ssh/config
      blockinfile:
        state: present
        path: "{{ ansible_user_dir }}/.ssh/config"
        create: yes
        mode: 0600
        block: "{{ ssh_config }}"

    - name: Add host key to known hosts
      known_hosts:
        state: present
        name: "{{ git_mirror_credentials.host }}"
        key: "{{ git_mirror_credentials.host_key }}"

    - name: Mirror the git repository
      command: git push --mirror {{ git_mirror_credentials.user }}@{{ git_mirror_credentials.host }}:{{ git_mirror_repository }}
      args:
        chdir: "{{ ansible_user_dir }}/{{ zuul.project.src_dir }}"
      tags:
        - skip_ansible_lint
      register: result
      retries: 3
      delay: 5
      until: result is not failed

  always:
    # Registered variables below are only used for integration testing
    - name: Remove SSH private key from disk
      command: "shred --remove {{ ssh_private_key_tmp.path }}"
      register: git_mirror_key_removed

    - name: Remove SSH configuration in ~/.ssh/config
      blockinfile:
        state: absent
        path: "{{ ansible_user_dir }}/.ssh/config"
        mode: 0600
        block: "{{ ssh_config }}"
      register: git_mirror_ssh_config_removed

    - name: Remove host key from known hosts
      known_hosts:
        state: absent
        name: "{{ git_mirror_credentials.host }}"
        key: "{{ git_mirror_credentials.host_key }}"
      register: git_mirror_host_key_removed