heat_template_version: rocky

description: >
  HAProxy deployment with TLS enabled, with an injected certificate

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.  This
                 mapping overrides those in ServiceNetMapDefaults.
    type: json
  DefaultPasswords:
    default: {}
    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
  # Can be overridden via parameter_defaults in the environment
  SSLCertificate:
    default: ''
    description: >
      The content of the SSL certificate (without Key) in PEM format.
    type: string
  SSLIntermediateCertificate:
    default: ''
    description: >
      The content of an SSL intermediate CA certificate in PEM format.
    type: string
  # NOTE(jaosorior): Adding this default is only while we enable TLS by default
  # for the overcloud. It'll be removed in a subsequent patch.
  SSLKey:
    default: ''
    description: >
      The content of the SSL Key in PEM format.
    type: string
    hidden: true
  DeployedSSLCertificatePath:
    default: '/etc/pki/tls/private/overcloud_endpoint.pem'
    description: >
        The filepath of the certificate as it will be stored in the controller.
    type: string

outputs:
  role_data:
    description: Role data for the HAProxy public TLS injection.
    value:
      service_name: haproxy_public_tls_inject
      config_settings: {}
      certificates_specs: {}
      metadata_settings: null
      host_prep_tasks:
        - name: get parameters
          set_fact:
            cert_path: {get_param: DeployedSSLCertificatePath}
            cert_content: {get_param: SSLCertificate}
            chain_content: {get_param: SSLIntermediateCertificate}
            key_content: {get_param: SSLKey}
          no_log: true

        # We want to ensure we run all this block IFF we have
        # a certificate content.
        - name: manage certificate
          when:
            - cert_content is defined
            - cert_content != ''
          block:
            - name: get DeployedSSLCertificatePath attributes
              register: attr_cert_path
              stat:
                path: "{{cert_path}}"

            - name: Assign bootstrap node
              command: hiera -c /etc/puppet/hiera.yaml bootstrap_nodeid
              register: bootstrap_node

            - name: set is_bootstrap_node fact
              set_fact: is_bootstrap_node={{bootstrap_node.stdout|lower == ansible_hostname|lower}}

            - name: get haproxy status
              register: haproxy_state
              systemd:
                name: haproxy

            - name: get pacemaker status
              register: pacemaker_state
              systemd:
                name: pacemaker

            - name: get docker status
              register: docker_state
              systemd:
                name: docker

            - name: get container_id
              when:
                - docker_state.status.ActiveState == 'active'
                - attr_cert_path.stat.exists
                - attr_cert_path.stat.isdir == False
              command: docker ps -q -f name=haproxy
              register: container_id

            - name: get pcs resource name for haproxy container
              when:
                - bootstrap_node is defined
                - is_bootstrap_node
                - pacemaker_state.status.ActiveState == 'active'
                - attr_cert_path.stat.exists
                - attr_cert_path.stat.isdir
              shell: |
                pcs status resources | sed -n 's/^.*container.*: \(haproxy.*\) .*/\1/p'
              register: pacemaker_resource

            # It might happen docker has started priori the file creation - it will then create a
            # directory. We have to drop that directory in order to push our file.
            - name: remove DeployedSSLCertificatePath if is dir
              when: attr_cert_path.stat.isdir is defined and attr_cert_path.stat.isdir
              file:
                path: "{{cert_path}}"
                state: absent

            # In containerized env, haproxy group does not exist.
            # We hence need to do this file creation in two distinct steps
            # and ignore failure on the ownership change.
            - name: push certificate content
              no_log: true
              copy:
                dest: "{{cert_path}}"
                mode: 0440
                owner: root
                content: |
                  {{cert_content}}
                  {{chain_content}}
                  {{key_content}}

            # Set certificate group IFF we're not in container context
            # Also, restart HAProxy service without more concern
            - name: BM haproxy non-pacemaker context
              when: haproxy_state.status.ActiveState == 'active'
              block:
                - name: set certificate ownership
                  file:
                    path: "{{cert_path}}"
                    group: haproxy

                - name: reload haproxy if enabled
                  service:
                    name: haproxy
                    state: reloaded

            - name: restart pacemaker resource for haproxy
              when:
                - pacemaker_resource is defined
                - pacemaker_resource.stdout is defined
                - pacemaker_resource.stdout != ''
              command: pcs resource restart "{{pacemaker_resource.stdout}}"

            # We can't use kolla for certificate updates, so we have to
            # set its rights and restart the service.
            - name: dedicated part for containers
              when:
                - container_id is defined
                - container_id.stdout is defined
                - container_id.stdout != ''
              block:
                - name: set kolla_dir fact
                  set_fact: kolla_dir="/var/lib/kolla/config_files/src-tls"

                - name: assert {{ kolla_dir }}{{ cert_path }} exists
                  stat:
                    path: "{{ kolla_dir }}{{cert_path}}"
                  register: kolla_cert_exists

                - name: set certificate group on host via container
                  command: docker exec {{container_id.stdout}} chgrp haproxy {{kolla_dir}}{{cert_path}}
                  when: kolla_cert_exists.stat.exists

                - name: copy certificate from kolla directory to final location
                  command: docker exec {{container_id.stdout}} cp {{kolla_dir}}{{cert_path}} {{cert_path}}
                  when: kolla_cert_exists.stat.exists

                - name: send restart order to haproxy container
                  command: docker kill --signal=HUP {{container_id.stdout}}
                  when: kolla_cert_exists.stat.exists