heat_template_version: wallaby

description: >
  Configure sshd_config

parameters:
  ServiceData:
    default: {}
    description: Dictionary packing service data
    type: json
  ServiceNetMap:
    default: {}
    description: Mapping of service_name -> network name. Typically set
                 via parameter_defaults in the resource registry. Use
                 parameter_merge_strategies to merge it with the defaults.
    type: json
  RoleName:
    default: ''
    description: Role name on which the service is applied
    type: string
  RoleParameters:
    default: {}
    description: Parameters specific to the role
    type: json
  EndpointMap:
    default: {}
    description: Mapping of service endpoint -> protocol. Typically set
                 via parameter_defaults in the resource registry.
    type: json
  BannerText:
    default: ''
    description: Configures Banner text in sshd_config
    type: string
  MessageOfTheDay:
    default: ''
    description: Configures /etc/motd text
    type: string
  SshServerOptions:
    default:
      HostKey:
        - '/etc/ssh/ssh_host_rsa_key'
        - '/etc/ssh/ssh_host_ecdsa_key'
        - '/etc/ssh/ssh_host_ed25519_key'
      SyslogFacility: 'AUTHPRIV'
      AuthorizedKeysFile: '.ssh/authorized_keys'
      ChallengeResponseAuthentication: 'no'
      GSSAPIAuthentication: 'no'
      GSSAPICleanupCredentials: 'no'
      UsePAM: 'yes'
      UseDNS: 'no'
      X11Forwarding: 'yes'
      AcceptEnv:
        - 'LANG LC_CTYPE LC_NUMERIC LC_TIME LC_COLLATE LC_MONETARY LC_MESSAGES'
        - 'LC_PAPER LC_NAME LC_ADDRESS LC_TELEPHONE LC_MEASUREMENT'
        - 'LC_IDENTIFICATION LC_ALL LANGUAGE'
        - 'XMODIFIERS'
      Subsystem: 'sftp  /usr/libexec/openssh/sftp-server'
    description: Mapping of sshd_config values
    type: json
  SshServerOptionsOverrides:
    default: {}
    description: Mapping of sshd_config values to override definitions in
                 SshServerOptions
    type: json
  PasswordAuthentication:
    default: 'no'
    description: Whether or not disable password authentication
    type: string
  SshFirewallAllowAll:
    default: false
    description: Set this to true to open up ssh access from all sources.
    type: boolean

conditions:
  ssh_banner_text_set:
    not: {equals: [{get_param: BannerText}, '']}
  ssh_motd_text_set:
    not: {equals: [{get_param: MessageOfTheDay}, '']}

outputs:
  role_data:
    description: Role data for the ssh
    value:
      service_name: sshd
      firewall_rules:
        '003 accept ssh from all':
          proto: 'tcp'
          dport: 22
          extras:
            ensure: {if: [{get_param: SshFirewallAllowAll}, 'present', 'absent']}
      host_prep_tasks:
        - include_role:
            name: tripleo_sshd
          vars:
            tripleo_sshd_server_options:
              map_merge:
                - {get_param: SshServerOptions}
                - {get_param: SshServerOptionsOverrides}
            tripleo_sshd_password_authentication: {get_param: PasswordAuthentication}
            tripleo_sshd_banner_enabled:
              if:
                - ssh_banner_text_set
                - true
                - false
            tripleo_sshd_banner_text: {get_param: BannerText}
            tripleo_sshd_motd_enabled:
              if:
                - ssh_motd_text_set
                - true
                - false
            tripleo_sshd_message_of_the_day: {get_param: MessageOfTheDay}