config.yml

# This file is part of agora-dev-box.
# Copyright (C) 2014-2016  Agora Voting SL <agora@agoravoting.com>

# agora-dev-box is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License.

# agora-dev-box  is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Lesser General Public License for more details.

# You should have received a copy of the GNU Lesser General Public License
# along with agora-dev-box.  If not, see <http://www.gnu.org/licenses/>.

---
# global non-agora related configuration variables
params:
  # Sometimes services like supervisor take quite a while to restart and some
  # others don't. Configure here exactly how many seconds it should wait for
  # processes that restart slowly or and those that are fast.
  sleep:
    fast: 2
    slow: 15

# global configuration
config:
  backup_password: '<PASSWORD>'
  version: 'master'
  # global config. Note: currently some other keys are used as global conf
  global_secret_key: '<PASSWORD>'

  # Activate if cloudflare is used, so that the client ip address is taken from
  # cloudflare HTTP headers and only cloudflare ips can access the http server
  cloudflare: false

  # create daily and live backups
  postgres_backups:
    # enables or disables backups
    # set to false to stop making backups (it won't delete already archived backups)
    # allowed values: true | false
    enabled: true
    # folder where the postgres backups will be stored
    folder: /var/postgres_backups
    # create a base backup every time postgres_backups.yml is deployed
    # allowed values: true | false
    backup_on_deploy: true
    # enforces that a new WAL file is created after archive_timeout seconds max
    archive_timeout: 600
    # cron tab configuration for base backups
    base_backups:
      # number of days base backups are kept/stored (0 means forever)
      keep_days: 30
      # day of the week that the job should run ( 0-6 for Sunday-Saturday, *, etc )
      weekday: '*'
      # Day of the month the job should run ( 1-31, *, */2, etc )
      day: '*'
      # minute when the job should run ( 0-59, *, */2, etc )
      minute: 0
      # hour when the job should run ( 0-23, *, */2, etc )
      hour: 4

  # hostname of the machine
  hostname: nvotes.com

  # private ip address of this machine. Will ensure there is an alias
  # in /etc/hosts to the hostname in this machine (and in others when they load
  # this machine's eo package)
  private_ipaddress: 192.168.50.4

  # public ip address of this machine. Will ensure there is an alias
  # in /etc/hosts to the hostname in this machine (and in others when they load
  # this machine's eo package)
  public_ipaddress: 192.168.0.11

  # you can use this section to schedule crontab tasks. For example, it can be
  # used to schedule election start for example, as shown below.
  crontab_tasks: []
  #  - name: start-election
  #    # job is the command to be run. The command should not contain line
  #    # breaks.
  #    job: 'bash -c "source /home/agoraelections/tenv/bin/activate; /home/agoraelections/agora-elections/admin/admin.py auth_start 4 >> /home/agoraelections/crontab.log 2>&1"'
  #    # The specific user whose crontab should be modified.
  #    user: 'agoraelections'
  #    # minute when the job should run ( 0-59, *, */2, etc )
  #    minute: 0
  #    # hour when the job should run ( 0-23, *, */2, etc )
  #    hour: 15
  #    # Day of the month the job should run ( 1-31, *, */2, etc )
  #    day: '17'
  #    # day of the week that the job should run ( 0-6 for Sunday-Saturday, *, etc )
  #    weekday: '*'
  #    # Month of the year the job should run ( 1-12, *, */2, etc )
  #    month: '9'
  #  - name: stop-election
  #    # job is the command to be run. The command should not contain line
  #    # breaks.
  #    job: 'bash -c "source /home/agoraelections/tenv/bin/activate; /home/agoraelections/agora-elections/admin/admin.py auth_stop 4 >> /home/agoraelections/crontab.log 2>&1"'
  #    # The specific user whose crontab should be modified.
  #    user: 'agoraelections'
  #    # minute when the job should run ( 0-59, *, */2, etc )
  #    minute: 0
  #    # hour when the job should run ( 0-23, *, */2, etc )
  #    hour: 15
  #    # Day of the month the job should run ( 1-31, *, */2, etc )
  #    day: '18'
  #    # day of the week that the job should run ( 0-6 for Sunday-Saturday, *, etc )
  #    weekday: '*'
  #    # Month of the year the job should run ( 1-12, *, */2, etc )
  #    month: '9'

  # configuration related to the election orchestration service, only active in
  # election authorities
  election_orchestra:
    # port in which the nginx web server will serve the https eorchestra service
    port: 5000

    # allow and deny nginx ips specific for this service
    ips:
      allow: []
      deny: []

    # range of ports in which vfork servers will run
    vfork_server_ports: [4081, 4083]

    # range of ports in which vfork hint servers will run
    vfork_hint_server_ports: [8081, 8083]

    # database password for election-orchestra
    eorchestra_password: '<PASSWORD>'

    # enables or disables automatic creation or tallying of election
    auto_mode: true

  # this section is all about giving to some existing users permissions to
  # sudo into ansible-created users. If you already have these kind of
  # permissions, its not needed. Disabled by default.
  sudoers:
    # enables or disables the adding of the sudo permissions
    is_enabled: false

    # list of users, separated by commas and spaces, that can sudo into
    # ansible-created users
    agora_users: agora

  http:
    # Log level for error log in nginx.
    #
    # This log level stablishes the error_log directive level of error for
    # nginx web server in /etc/nginx/nginx.conf at the http directive. The
    # error log will appear in /var/log/nginx/error.log
    #
    # For more details, see
    # http://nginx.org/en/docs/ngx_core_module.html#error_log
    #
    # Allowed values: debug, info, notice, warn, error, crit, alert, or emerg
    # Default: error
    nginx_error_log_level: info

    # In big elections memory or disk buffer might need to be increased,
    # specifically to upload the list of valid voterids if any filtering is going
    # to be made, or when uploading the list of electors. This setting is
    # applied at once to:
    # play.http.parser.maxDiskBuffer (in agora-elections config)
    # play.http.parser.maxMemoryBuffer (in agora-elections config)
    # parsers.text.maxLength (in agora-elections config)
    # client_max_body_size (in nginx)
    max_body_size: 2m

    # Path of the TLS PEM public certificate.
    #
    # Requirements:
    # - It must be a file with -rw-r--r-- (644) file permissions owned by
    #   agoraelections:users.
    # - Must be a PEM certificate encrypted with the key in the path specified
    #   in config.http.tls_cert_key_path.
    #
    # By default it is '/srv/certs/selfsigned/cert.pem', but you can change it
    # to any other file you want
    #
    # NOTE: This file will not be signed between master and slaves in a load
    # balancer configuration so you will have to replicate it if needed at your
    # own, and it's ignored by create_backup.sh and restore_backup.sh scripts.
    tls_cert_path: /srv/certs/selfsigned/cert.pem

    # Just like tls_cert_path, but used only for the communication with the
    # election authorities. This way, you can use one certificate publicly
    # and another internaly.
    internal_tls_cert_path: /srv/certs/selfsigned/cert.pem

    # Path of the TLS PEM certificate private key.
    #
    # Requirements:
    # - It must be a file with -rw-r--r-- (644) file permissions owned by
    #   agoraelections:users.
    # - Must be the private key of the public certificate of
    #   config.http.tls_cert_path.
    #
    # By default it is '/srv/certs/selfsigned/key-nopass.pem', but you can
    # change it to any other file you want
    #
    # NOTE: This file will not be signed between master and slaves in a load
    # balancer configuration so you will have to replicate it if needed at your
    # own, and it's ignored by create_backup.sh and restore_backup.sh scripts.
    tls_cert_key_path: /srv/certs/selfsigned/key-nopass.pem

    # Just like tls_cert_key_path, but used only for the communication with the
    # election authorities. This way, you can use one certificate publicly
    # and another internaly.
    internal_tls_cert_key_path: /srv/certs/selfsigned/key-nopass.pem

    # Path of the chained list of the public certificates of the Certificate
    # Authorities that validate the config.http.tls_cert_path certificate
    # signature.
    #
    # Requirements:
    # - It must be a file with -rw-r--r-- (644) file permissions owned by
    #   agoraelections:users.
    # - Must be a list of PEM certificate public keys.
    #
    # By default it is '/srv/certs/selfsigned/calist', but you can
    # change it to any other file you want
    #
    # NOTE: This file will not be signed between master and slaves in a load
    # balancer configuration so you will have to replicate it if needed at your
    # own, and it's ignored by create_backup.sh and restore_backup.sh scripts.
    tls_calist_path: /srv/certs/selfsigned/calist

    # Just like tls_calist_path, but used only for the communication with the
    # election authorities. This way, you can use one certificate publicly
    # and another internaly.
    internal_tls_calist_path: /srv/certs/selfsigned/calist

    # Simple http authentication protection for all services under nginx.
    # http_auth:
    #   - user: admin
    #     password: foobar
    #   - user: admin2
    #     password: whatever
    http_auth: false

    # Allows to restrict access to any administrative APIs and web app with a
    # custom set of nginx rules
    admin_zone:
      enabled: false
      rules: []

    # Personalize the maintenance page
    # 
    # By creating the file /etc/nginx/conf.d/maintenance.on automatically the
    # server enters into maintenance mode and will only serve a file of the 
    # file below or the default one.
    maintenance_file: ''

    # CORS (HTTP Cross-origin resource sharing) is a measure implemented by
    # web browsers that prevents an user agent to load an external resource if
    # it is in another domain and that domain doesn't actively allows it with
    # some CORS-specific headers
    cors:
      # Nginx regular expression to match $http_origin variable. The headers
      # list will be set only if this regular expression matches
      allow_origins_rx: "^$"

      headers:
        Access-Control-Allow-Origin: "$http_origin always"
        Access-Control-Allow-Credentials: "'true' always"
        Access-Control-Allow-Methods: "'GET, POST, OPTIONS' always"
        Access-Control-Allow-Headers: "'DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type' always"
        Content-Security-Policy: "'frame-ancestors \\'none\\'' always"
        X-Frame-Options: "'DENY' always"
        Strict-Transport-Security: "'max-age=63072000; includeSubDomains; preload' always"


  # some java related configuration options
  java:
    # maximum size of heap memory in Megabytes (int). Default: 4000. Your total
    # RAM + SWAP needs to be bigger than this. If you are going to do very
    # big tallies (hundred of thousands of votes or millions), you will need to
    # change this to something bigger.
    max_heap_memory_usage: 4000

  # multiple server hardening settings
  hardening:
    # if setup, the X-XSS-Protection header will be set to configure the
    # web browser to block XSS attacks
    # https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/X-XSS-Protection
    # allowed value: '0', '1, mode=block', ..any valid X-XSS-Protection setting
    x_xss_protection_header: '1; mode=block'

    # Fail2ban is a service used for temporarely banning ips when multiple 
    # failed actions are detected in server logs
    fail2ban:
      # generally enable or disable the service running in the server
      # allows values: true, false
      enabled: true

      # enable or disable fail2ban applied to the following jails
      # allows values: true, false
      sshd: true
      nginx_limit_req: true
      nginx_http_auth: true
    
    # configure multiple rate limits zones in nginx for different parts of the
    # web service
    nginx_rate_limit:
      # allows values: true, false
      enabled: true

      # rate of requestes per second for the request on admin api requests
      admin_api_rate: 3

      # This is the nginx limit_req configuration. Default means that there's
      # burst with no delay for the first 15 requests, then burst with delay
      # for request 15 to 30, then requests are rejected starting with request
      # 30. More information: https://www.nginx.com/blog/rate-limiting-nginx/
      admin_api_config: 'burst=30 delay=15'

      # rate of requestes per second for the request on user api requests
      user_api_rate: 2

      # This is the nginx limit_req configuration. Default means that there's
      # burst with no delay for the first 15 requests, then burst with delay
      # for request 15 to 30, then requests are rejected starting with request
      # 30. More information: https://www.nginx.com/blog/rate-limiting-nginx/
      user_api_config: 'burst=30 delay=15'

      # rate of requestes per second for the request on static file requests
      static_files_rate: 5

      # This is the nginx limit_req configuration. Default means that there's
      # burst with no delay for the first 15 requests, then burst with delay
      # for request 15 to 30, then requests are rejected starting with request
      # 30. More information: https://www.nginx.com/blog/rate-limiting-nginx/
      static_files_config: 'burst=30 delay=15'

  # generic election related constraints that apply to multiple parts of the
  # deployment, for example the same limit might apply to authapi, agora-gui
  # and agora-elections
  election_limits:
    # maximum number of questions allowed in an election
    max_num_questions: 20

    # maximum number of allowed possible answers in a question
    max_num_answers: 10000

    # maximum size in characters of long strings like url titles
    max_short_string_length: 300

    # maximum size in characters of long strings like question description
    max_long_string_length: 3000

  # configuration related to election results calculations
  agora_results:
    # this is the list of allowed pipes that can be used when calculating an
    # election result. The idea of limiting them is for safety. This is used
    # by agora-elections and also agora-verifier
    pipes_whitelist:
      #- agora_results.pipes.duplicate_questions.duplicate_questions
      #- agora_results.pipes.modifications.apply_modifications
      #- agora_results.pipes.multipart.make_multipart
      #- agora_results.pipes.multipart.election_max_size_corrections
      #- agora_results.pipes.multipart.question_totals_with_corrections
      #- agora_results.pipes.multipart.reduce_answers_with_corrections
      #- agora_results.pipes.multipart.multipart_tally_plaintexts_append_joiner
      #- agora_results.pipes.multipart.data_list_reverse
      #- agora_results.pipes.multipart.multipart_tally_plaintexts_joiner
      #- agora_results.pipes.multipart.append_ballots
      #- agora_results.pipes.parity.proportion_rounded
      #- agora_results.pipes.parity.parity_zip_non_iterative
      #- agora_results.pipes.parity.reorder_winners
      #- agora_results.pipes.parity.podemos_parity_loreg_zip_non_iterative
      #- agora_results.pipes.parity.podemos_parity2_loreg_zip_non_iterative
      #- agora_results.pipes.podemos.podemos_proportion_rounded_and_duplicates
      #- agora_results.pipes.desborda4.podemos_desborda4
      #- agora_results.pipes.desborda3.podemos_desborda3
      #- agora_results.pipes.desborda2.podemos_desborda2
      #- agora_results.pipes.desborda.podemos_desborda
      #- agora_results.pipes.pretty_print.pretty_print_stv_winners
      - agora_results.pipes.pretty_print.pretty_print_not_iterative
      - agora_results.pipes.results.do_tallies
      #- agora_results.pipes.results.to_files
      #- agora_results.pipes.results.apply_removals
      - agora_results.pipes.sort.sort_non_iterative
      #- agora_results.pipes.stv_tiebreak.stv_first_round_tiebreak
      - agora_results.pipes.pdf.configure_pdf
      - agora_results.pipes.withdraw_candidates.withdraw_candidates
      # - agora_results.pipes.ballot_boxes.count_tally_sheets

  # agora-elections
  agora_elections:
    db_password: '<PASSWORD>'
    shared_secret: '<PASSWORD>'
    domain: nvotes.com
    port: 14443
    # Port used by agora_elections for path /private. This path is used
    # by election-orchestra to for example retrieve the ciphertexts.
    # Only the election authorities can access this path, usin SSL/HTTPS and
    # using their certificates as client certificates.
    ssl_port: 14453

    # allow and deny nginx ips specific for this service
    ips:
      allow: []
      deny: []

    # Password used to encrypt the authorities' public keys for usage in
    # agora-elections.
    keystore_pass: '<PASSWORD>'

    # The callbacks from election authorities go to the private directory, for
    # example to download encrypted ballots and to push tally results. In
    # release 3.3.0+, this is done with SSL client certificate verification but
    # in previous versions this didn't happen. To let an agora server
    # installation work with election authorities version 3.2.0 or less, you
    # should set this to false; else, set it to true (default).
    private_path_verify_ssl_client_certificate: true

    # Defines if there's a tight control of the allowed state transitions
    # within an election. For example, an stopped election wouldn't be allowed
    # to be re-started if this is enable. Defaults to true.
    enforce_state_controls: true

    # In an election, a voter can change his vote as a way to mitigate coercion.
    # Here you can set the maximum number of vote changes. Set to 1 to disable
    # vote changing.
    max_revotes: 5

    # election-orchestra makes a callback to agora_elections using url path
    # /api/election/:id/tallydone
    # On this callback, agora_elections needs to download the tally from
    # election-orchestra. As this download can fail, and in order to minimize
    # the brittleness of the service, we can configure the timeout period and
    # number of retries of this download

    # Download tally timeout in milliseconds, default is one hour
    download_tally_timeout: 3600000

    # Download tally retries
    download_tally_retries: 5

    # if true, the calculated results are always automatically published
    # valid values: true, false
    always_publish: false

    # list of callbacks from agora-elections to authapi
    # these callbacks are sometimes required for complex behaviour because
    # agora-elections knows about election states that authapi doesn't know about
    # and these callbacks allow the agora-elections to call the authapi to
    # execute actions at certain states
    # each callback is defined by a name, mode and url
    # supported callback names: vote, started, published
    # mode can be one of three values:
    #
    # - default: vote callback is enabled but the url is the default one, for
    #            the authapi deployed in this same server.
    #
    # - custom: vote callback is enabled to the url specified in the
    #           custom_url field.
    #
    # - disabled: vote callback is disabled.
    callbacks:
      # vote callback allows agora-elections to notify the authentication module
      # (which can be external) that a vote has been cast.
      # Custom url is only used with 'custom' mode. Note that the url can be
      # dynamic. To substitute the election id in the url, use ${eid}, and to
      # substitute the userid, use ${uid}
      - name: vote
        mode: default
        url: ''
      # started callback is triggered by agora-elections when an election
      # changes to stage 'started'
      - name: started
        mode: disabled
        url: ''
      # published callback is triggered by agora-elections when an election
      # changes to stage 'published'
      - name: published
        mode: disabled
        url: ''

    # When this setting is true, an election can be virtual and have
    # subelections. A virtual election can have no votes itself and can move
    # directly from created to calculated results state and the results
    # calculation include the tallies of the subelections, so it can be used
    # to consolide election results.
    #
    # Virtual elections have currently one limitation: ownership of the
    # subelections is not checked, and that is why support for virtual elections
    # is disabled by default and should only be enabled in dedicated
    # installations.
    virtualElectionsAllowed: false

  # agora-gui
  agora_gui:
    domain: nvotes.com
    admin_port: 10090
    booth_port: 10091
    elections_port: 10092

    self_testing:
      # Boolean (default: true) that, if set to true, allows admins to launch 
      # a suite of automated end-to-end tests that follow the whole process of
      # an election, including registering, creating the election keys, starting
      # the election, voting, stopping, tallying, calculating and publishing the 
      # election results.
      enable: true

      # credentials used for the admin user in the self tests. This user will be
      # automatically created and managed by the ansible script. The format of
      # this data is the same as the elements accepted by authapi's admin 
      # command `upsert_users`.
      # More Info: https://github.com/agoravoting/authapi/blob/master/authapi/api/management/commands/upsert_users.py#L21
      admin_user_credentials: |
        {
          "username": "e2e_test_admin",
          "email": "e2e_test_admin@example.com",
          "password": "<PASSWORD>",
          "is_active": true,
          "is_admin": true,
          "election_permissions": []
        }

      # Number (Miliseconds, default: 120,000) Default time to wait before a test
      # fails.
      # More Info: https://github.com/angular/protractor/blob/master/lib/config.ts#L629
      defaultTimeoutInterval: 120000

      # Number (Miliseconds, default: 15,000) How long to wait for a page to
      # load.
      # More Info: https://github.com/angular/protractor/blob/master/lib/config.ts#L446
      getPageTimeout: 15000

      # Number (Miliseconds, default: 10,000) The timeout in milliseconds for
      # each script run on the browser. This should be longer than the maximum
      # time your application needs to stabilize between tasks.
      #
      # Also used as the default timeout in protractor browser.wait calls.
      #
      # More Info: 
      # 1. https://github.com/angular/protractor/blob/master/lib/config.ts#L441
      # 2. http://www.protractortest.org/#/api?view=webdriver.WebDriver.prototype.wait
      allScriptsTimeout: 10000

      # Timeout (Miliseconds, default: 120,000) for creating elections during
      # the tests. Each election takes ~30 seconds/question to create with 2
      # authorities. Sometimes test might include the creation of multiple
      # elections with multiple questions, so change this accordingly.
      createElectionsTimeout: 120000

    # Main version shown in the user interface. set to 'false' if you don't
    # want it to be shown.
    mainVersion: 'master'

    # Login session cookies expiration in minutes. set to 'false' to be 
    # unlimited. Does not apply to agora-gui-admin cookies (which use the value
    # from `config.authapi.admin_auth_token_expiration_seconds`), except if this
    # setting is set to 'false' then the expiration of cookies will be set
    # the same value as for other agora-gui modules (unlimited).
    cookies_expires: 10

    # Shows a dialog if the browser is too old to notify the user. Set this to
    # false to disable. See how to customize in
    #  http://browser-update.org/customize.html
    browser_update_config: >
      {
        required: {e:15,f:36,o:65,s:7,c:50},
        insecure:true,
        api: "2021.04"
      }

    # allow and deny nginx ips specific for this service
    ips:
      allow: []
      deny: []
    
    # webpage title
    web_title: 'nVotes'

    # html to be inserted in the gui-admin profile view
    profile_html: >-
      <div
      av-admin-field
      ng-repeat=\"field in fields_def\"
      editable=\"{% raw %}{{ field.user_editable }}{% endraw %}\">
      </div>
    
    # Show 'Success Action' tab in admin agora_gui
    show_success_action: false

    # Default language of the application
    language: en

    # Forces the default language
    forceLanguage: false

    # Specifies the set language query string, so that the
    detectLanguageQueryString: lang

    # Specifies what translations will be available
    languagesWhitelist:
      - en
      - es
      - gl
      - ca

    defaultRoute: /admin/login

    # Minimum loading time (milliseconds)
    min_loading_time: 12000

    # For admins:
    # Allow editing the json description of the election before creating it
    # Allowed values: true|false
    allow_edit_election_json: true

    # For admins:
    # Allow editing the election.presentation.theme_css so that any election
    # admin can highly customize the election directly with CSS.
    # Allowed values: true|false
    allow_custom_election_theme_css: false

    # interface theme
    # allowed values (string): default|podemos|ccoo|bcnencomu
    theme: 'default'

    # help links list
    # html code for flexibility
    help_list:
      - >-
        <a
        {% raw %}href=\"{{ helpurl }}\"{% endraw %}
        target=\"_blank\">
        <i class=\"fa fa-book\" aria-hidden=\"true\"></i>
        Documentation
        </a>

    # when debug mode is false, javascript and in general source code is
    # uglified and minified, otherwise it is not to allow better debugging.
    #
    # allowed values (string): true|false
    debug: 'false'
 
    # gui-admin allows to import users from a csv, importing users in batches
    # this parameter sets the batch size
    # 0 means doing the import in only one batch always
    # allowed values: integer number >= 0
    census_import_batch: 500

    # If you want tallies to be linked and downloaded from a different URL,
    # change this variable from false to a string. This could be an example:
    #
    # 'https://s3-eu-west-2.amazonaws.com/agoravoting/test-tallies/'
    #
    # and with this example, the download for the tally 1331 would be:
    #
    # 'https://s3-eu-west-2.amazonaws.com/agoravoting/test-tallies/1331/1331.tar'
    custom_public_download_url: false

    # base url used for help on gui-admin
    settings_help_base_url: https://agora/admin/

    # default url used for help on gui-admin
    settings_help_default_url: https://agora/admin/help_error.html

    # show the documentation links after successfully casting a vote
    # allowed values: true| false
    show_doc_on_vote_cast: false

    # This is the list of admin question layouts shown in the administrative
    # user interface. If the list is empty, question layouts will not be shown
    # as a configurable option
    shown_admin_question_layouts:
      - accordion
      - simultaneous-questions
      #- circles
      #- conditional-accordion
      #- pcandidates-election
    
    # List of auth methods shown in the administrative user interface
    shown_auth_methods:
      - email
      - email-otp
      - email-and-password
      - sms
      - sms-otp
      - smart-link
      - user-and-password
      #- dnie  # disabled because it's not supported in this version
    
    # This is the list of admin question voting systems shown in the
    # administrative user interface. If the list is empty, question layouts
    # will not be shown as a configurable option
    shown_admin_question_voting_systems:
     - plurality-at-large
     - borda-nauru
     - borda

    # default configuration for calculate results on agora-gui-admin
    calculate_results_default: >-
      {
        "version": "master",
        "pipes": [
          {
            "type": "agora_results.pipes.pdf.configure_pdf",
            "params": {
              "languages": ["en"]
            }
          },
          {
            "type": "agora_results.pipes.results.do_tallies",
            "params": {}
          },
          {
            "type": "agora_results.pipes.sort.sort_non_iterative",
            "params": {}
          }
        ]
      }

    # default template election for gui-admin
    election_template: >-
      {
        title: $i18next('avAdmin.sidebar.newel'),
        description: 'This is the description of the election. You can add simple html like <strong>bold</strong> or <a href=\"https://nvotes.com\">links to websites</a>.\\n\\n<br><br>You need to use two br element for new paragraphs.',
        authorities: ConfigService.authorities,
        director: ConfigService.director,
        presentation: {
          theme: 'default',
          share_text: getShareTextDefault(),
          urls: [],
          allow_tally: true,
          theme_css: ''
        },
        layout: 'simple',
        num_successful_logins_allowed: 0,
        resultsConfig: {
          version: 'master',
          pipes: [
            {
              type: 'agora_results.pipes.results.do_tallies',
              params: {}
            },
            {
              type: 'agora_results.pipes.sort.sort_non_iterative',
              params: {}
            }
          ]
        },
        census: {
          has_ballot_boxes: false,
          voters: [],
          auth_method: 'email',
          census:'close',
          extra_fields: [
            {
              name: 'email',
              type: 'email',
              required: true,
              unique: true,
              min: 4,
              max: 255,
              required_on_authentication: true
            }
          ],
          admin_fields: ConfigService.adminFields,
          config: {
            allow_user_resend: false,
            msg: $i18next(ConfigService.auth_msg.msg),
            subject: $i18next(
              ConfigService.auth_msg.subject,
              {
                name: ConfigService.organization.orgName
              }
            ),
            'authentication-action': {
              mode: 'vote',
              'mode-config': {
                url: ''
              }
            },
            'registration-action': {
              mode: 'vote',
              'mode-config': null
            }
          }
        },
        questions: [
          {
            answer_total_votes_percentage: 'over-total-valid-votes',
            answers: [
              {
                category: '',
                details: 'This is an option with an simple example description.',
                id: 0,
                sort_order: 0,
                text: 'Example option 1',
                urls: [
                  {
                    title: 'URL',
                    url: ''
                  },
                  {
                    title: 'Image URL',
                    url: ''
                  }
                ]
              },
              {
                category: '',
                details: 'An option can contain a description. You can add simple html like <strong>bold</strong> or <a href=\"https://nvotes.com\">links to websites</a>. You can also set an image url below, but be sure it\\\'s HTTPS or else it won\\\'t load.\\n\\n<br><br>You need to use two br element for new paragraphs.',
                id: 1,
                sort_order: 1,
                text: 'Example option 2',
                urls: [
                  {
                    title: 'URL',
                    url: 'https://nvotes.com'
                  },
                  {
                    title: 'Image URL',
                    url: 'https://upload.wikimedia.org/wikipedia/commons/thumb/d/df/The_Fabs.JPG/220px-The_Fabs.JPG'
                  }
                ]
              },
              {
                category: '',
                details: '',
                id: 2,
                sort_order: 2,
                text: 'Example option 3',
                urls: [
                  {
                    title: 'URL',
                    url: ''
                  },
                  {
                    title: 'Image URL',
                    url: ''
                  }
                ]
              }
            ],
            description: 'This is the description of this question. You can have multiple questions. You can add simple html like <strong>bold</strong> or <a href=\"https://nvotes.com\">links to websites</a>.\\n\\n<br><br>You need to use two br element for new paragraphs.',
            layout: 'accordion',
            max: 1,
            min: 1,
            num_winners: 1,
            tally_type: 'plurality-at-large',
            title: 'Test question title',
            extra_options: {
              shuffle_categories: true,
              shuffle_all_options: true,
              shuffle_category_list: [],
              show_points: false
            },
            active: true
          }
        ],
        extra_data: {}
      }

    # admin fields
    admin_fields: []
    ## free plugin
      #- name: "expected_census"
        #label: "Expected Census"
        #description: "Expected Census"
        #type: "int"
        #min: 0
        #step: 1
        #value: 1000 # default expected census
        #required: true
        #private: true
    ## legal plugin
      #- name: "legal_name"
        #label: "Name"
        #placeholder: "nVotes SL"
        #min: 1
        #type: "text"
        #value: ""
        #required: true
        #private: false

      #- name: "legal_org"
        #label: "Organization"
        #placeholder: "nVotes SL"
        #type: "text"
        #min: 1
        #value: ""
        #required: true
        #private: false

      #- name: "legal_id"
        #label: "VAT"
        #placeholder: "X1234567"
        #type: "text"
        #min: 1
        #value: ""
        #required: true
        #private": false

      #- name: "legal_contact"
        #label: "Contact"
        #placeholder: "nvotes@nvotes.com"
        #type: "email"
        #value: ""
        #required: true
        #private: false

    # Details pertaining to the organization that runs the software
    organization:
      # changes the organization logo. The path should be a path accessible to
      # ansible. Use an empty string ('') if you don't want to change the logo.
      # Note: we recommend to use a png image with 18px height and less than
      # 200px width.
      logo_path: ''

      # Subtitle of the organization, used in the ballot ticket PDF
      subtitle: ''

      # Big logo of the organization, used in the ballot ticket PDF
      big_logo_url: ''

      # Name of the organization, appears in the logo mouse hover, in the login
      # page ("Login into __NAME__ admin account"), in the poweredBy, etc
      name: 'nVotes'

      # URL that the logo links to
      url: 'https://nvotes.com'

      # Configurable signup link. This link is shown only in /admin/login
      # and can be set to any valid URL
      admin_signup_link: '/admin/signup'

    contact:
      # Support contact email displayed in the footer links
      email: contact@example.com
      # Sales contact email displayed in the footer links
      sales: sales@example.com
      tlf: ''

    # default authentication message to be sent to users of an election
    auth_msg:
      # authentication message (both for email and SMS authentication methods)
      # the default is the i18next string path, which works for multiple languages
      # you can use these and other variables:
      # URL, URL2, CODE, HOME_URL, EVENT_ID... and slugs
      # example: 'Vote in __URL__ with code __CODE__'
      # default: 'avAdmin.auth.emaildef'
      msg: 'avAdmin.auth.emaildef'
      # authentication message subject (for emails)
      # example: "Vote now with nVotes"
      # default: 'avAdmin.auth.emailsubdef'
      subject: 'avAdmin.auth.emailsubdef'

    texts:

      # html extra info to show in the voting booth success screen
      booth_success_extra: ''

      # terms of service text, shown in the documentation and in the booth
      # start page
      tos_text: ''

      # terms of service title, shown in the documentation and in the booth
      # start page
      tos_title: ''

      # you can include any html text in agora-gui-admin html to customize it
      admin_html_body_include: ''

      # you can include any html text in agora-gui-elections html to customize it
      elections_html_body_include: ''

      # you can include any html text in agora-gui-booth html to customize it
      booth_html_body_include: ''

      # you can include any html text, which will be shown on the documentation
      # page on agora-gui-elections and on help in voting booth (agora-gui-booth)
      documentation_html_include: >-
          <ul>
          <li>
          <a
          href=\"/election/{% raw %}{{election_id}}{% endraw %}/public/extra-legal\"
          target=\"_blank\"
          ng-i18next=\"avDocumentation.legal.title\">
          </a>
          </li>
          </ul>

      # you can include any html text, which will be shown on the legal page
      # on agora-gui-elections
      legal_html_include: ''

      # html/text to show when the help url for a setting fails to load
      settings_help_url_error: >-
          <p style=\"color: red;\">An error has occurred, but don't worry, we're on it!</p>

    # path to a directory to be copied recursively because it containing static
    # files that need to be available publicly. Usually these files are
    # referenced in  agora_gui.texts.help_info for example. The URL for a file
    # "foo.png" inside static_extra_path would be:
    # https://<DOMAIN>/election/static/static_extra/foo.png"
    static_extra_path: ''

    # social networks footer links
    social:
      facebook: ''
      twitter: 'https://twitter.com/nvotes_com'
      twitterHandle: 'nvotescom'
      googleplus: ''
      youtube: 'https://www.youtube.com/results?search_query=nvotes'
      github: 'https://github.com/agoravoting/'

    # technology footer links
    technology:
      aboutus: 'https://nvotes.com/'
      pricing: 'https://nvotes.com/'
      overview: 'https://nvotes.com/'
      solutions: 'https://nvotes.com/'
      admin_manual: 'https://agoravoting.github.io/admin-manual/'

    # legality footer links
    legal:
      terms_of_service: 'https://nvotes.com/tos/'
      cookies: 'https://nvotes.com/cookies/'
      privacy: 'https://nvotes.com/privacy/'
      security_contact: 'https://nvotes.com/security-contact/'
      community_website: 'https://github.com/agoravoting/'

    documentation:
      show_help: false
      faq: 'https://agoravoting.github.io/admin-manual/'
      overview: 'https://agoravoting.github.io/admin-manual/'
      technical: 'https://agoravoting.github.io/admin-manual/'

    # social networks buttons configuration
    share_social:
      allow_edit: true
      default:
        - network: 'Twitter'
          button_text: ''
          social_message: 'I have just voted in election __URL__, you can too! #nvotes'

  # configuration related to the nginx web server
  webserver:
    # configures the "worker_processes" setting in nginx. Typically you would
    # use the number of cores of the machine or less.
    worker_processes: 2

    # enable/disable nginx reverse proxy cache for everything related to agora
    # web server
    reverse_proxy_cache: true

  # DNI-e and FNMT authentication support related configuration
  dnie_auth:
    # boolean (true|false) that enables or disables the DNIe and FNMT
    # authentication.
    #
    # Note: load_balancing is not currently supported when dni_auth is enabled
    # because nginx for some reason always will request the client TLS
    # certificate if the requester hostname doesn't match the nginx hostname.
    allow: false

    # Nginx requires a different FQDN to apply client side authentication,
    # which is something needed for DNIe and FNMT auth.
    host: cert.agora-auth5

  cert:
    C: EN
    ST: New York
    L: New York
    O: Example
    OU: Example
    EMAIL: info@example.com

    # within how many days will the certificate will expire?
    lifetime: 3650

    # force creation of a new certificate
    # allowed values: 'true'|'false'
    force_create: 'false'

  # sentry
  sentry:
    # enables/disabled sentry    
    enabled: false

    # port in which the sentry backend is run.
    # Note: this is NOT the port in  which the nginx sentry web service is run.
    port: 9090

    # allow and deny nginx ips specific for this service
    ips:
      allow: []
      deny: []

    # domain by which to server sentry
    domain: nvotes.com

    # password of the postgresql database of the sentry backend.
    db_password: '<PASSWORD>'

    # HTTP Port in which sentry is accessed. Only used for now in
    # oneserver.conf. Note that this port might be configured to use
    # https only if not config.load_balancing.enabled or
    # config.load_balancing.use_https, see oneserver.conf for details.
    web_port: 8443

    # Sentry Administrative web user email. Used to login into the sentry web
    # interface.
    admin_user: 'admin@example.com'

    # Sentry Administrative web user password. Used to login into the sentry web
    # interface.
    admin_password: '<PASSWORD>'

    # Sending the code sms and email log to an email
    msg_log: False

    # the log receiver
    msg_log_email: log@example.com

  # administration interface settings
  authapi:
    # Whether authapi is run in debug mode or not.
    # Allowed values: True|False
    debug: False

    # allow and deny nginx ips specific for this service
    ips:
      allow: []
      deny: []

    # Set any additional settings to the celery worker here
    celery_worker_extra_opts: '--concurrency 300 --pool eventlet'

    # Set any additional settings to the celery beat daemon here
    celery_beat_extra_opts: ''

    # If this option is true, then admin users can be deregistered and
    # re-registered. Elections from deregistered users still are stored in the
    # database. When a user re-registers after being de-registered, he will be
    # able to modify fields that are not the email (in the case of email
    # authentication) or phone number (in the case of phone-based auth) and once
    # he is re-registered he will be able to see and manage elections created
    # before he de-registered.
    #
    # Users can only be deregistered while being logged in, using a call to
    # authapi's url 'api/user/deregister/'. admin.py script in agora_elections
    # can be used to ease executing this procedure.
    #
    # allowed values: true|false
    # default: true
    allow_deregister: true

    # Number of seconds after which an authentication token expires.
    auth_token_expiration_seconds: 600

    # Number of seconds after which an authentication token expires for admin
    # users
    admin_auth_token_expiration_seconds: 3600

    # Allow admin users registration
    # Allowed values: true|false
    # Default: false
    allow_admin_registration: false

    # callbacks given to agora_elections instances, for now related to sending
    # the result of uploading tally sheets only. It's a list so that it can
    # upload multiple agora_elections instances
    agora_elections_base:
    - http://127.0.0.1:14443

    # configuration of the log sender
    server_email: log@example.com

    # Election ids are autoinc integer numbers set when created from the
    # administrative web interface. This settings allows to specify the start
    # number of the election ids. This might be useful to set if you want to
    # them to start at a specific rate for any reason, for example if the
    # authorities are shared with other authapi servers.
    election_start_id: 1

    # stablishes if admins can register or not
    # default value: 'open'
    # allowed values: 'close', 'open'
    admin_census_mode: open

    # Every time authapi is deployed, Authapi's upsert_users command is run with
    # this variable as argument, if the file exists.
    upsert_file: ''

    # Stablishes the authentication method used for election administrators
    #
    # Allowed values: (user-and-password|email|email-otp|sms|sms-otp|openid-connect)
    auth_method: 'user-and-password'

    # Defines the extra fields used in authentication and registration
    extra_fields: >
      [
        {
          "name": "username",
          "type": "text",
          "required": true,
          "unique": true,
          "min": 3, 
          "max": 200,
          "required_on_authentication": true
        },
        {
          "name": "password",
          "type": "password",
          "required": true,
          "min": 3,
          "max": 200,
          "required_on_authentication": true
        }
      ]

    # Admin user data and credentials. Note that some of them might get unused,
    # for example admin_password won't be of use if auth_method is 'sms'.
    admin_user:
      email: 'admin@nvotes.com'
      password: '<PASSWORD>'

      # Note that admin telephone number should contain no spaces. International
      # prefixes are entered like "+34" for Spain, for example
      tlf: '+34666666666'

    # authentication message for election admins
    admin_auth:
      # auth message for admins when the auth method is sms-otp
      sms_otp_msg: 'Your code with nVotes is __CODE__'
      # auth message for admins when the auth method is not sms-otp
      other_msg: 'Authenticate with nVotes at  __URL__ with __CODE__'

    # If this option is true, when an user tries to register and the user is
    # already registered, authapi will return an error with the 'user_exists'
    # codename. Otherwise, on error, authapi will always return the same generic
    # error with 'invalid_credentials' codename.
    show_already_registered: false

    # path to a directory to be copied recursively because it containing static
    # files that need to be used within authapi, for example by the
    # participation reports. Files will be copied inside
    # /home/authapi/static_extra/ directory.
    static_extra_path: ''

    # Configuration for automatically schedule sending emails with PDF
    # participation reports.
    participation_reports: []
    #  - name: electoral-process-10
    #    # minute when the job should run ( 0-59, *, */2, etc )
    #    minute: 0
    #    # hour when the job should run ( 0-23, *, */2, etc )
    #    hour: 7
    #    # Day of the month the job should run ( 1-31, *, */2, etc )
    #    day: '17-20'
    #    # day of the week that the job should run ( 0-6 for Sunday-Saturday, *, etc )
    #    weekday: '*'
    #    # Month of the year the job should run ( 1-12, *, */2, etc )
    #    month: '9'
    #    config:
    #      email:
    #        subject: Daily participation report - __DATE__
    #        body: |
    #          Hello,
    #          
    #          Please find attach the Daily participation report.
    #          Generated at __DATETIME__.
    #
    #          Best regards,
    #          nVotes Team
    #        to:
    #          - whatever@example.com
    #      title: Association elections 2022
    #      subtitle: Number of votes accumulated up to day __DATETIME__
    #      logo_path: /tmp/logo.png
    #
    #      # this is optional, by default it will be 488 x 130
    #      logo_size:
    #         width: 488
    #         height: 130
    #
    #      table_headers: ["Election", "Votes", "% census", "# Total Census"]
    #      groups:
    #        - auth_event_ids: [24, 25, 26]
    #          title: Board of Directors
    #        - auth_event_ids: [27, 28, 29]
    #          title: Advisory Board candidates for Sector 1
    #        - auth_event_ids: [30, 31, 32]
    #          title: Advisory Board candidates for Sector 2
    #        - auth_event_ids: [30, 31, 32]
    #          title: Advisory Board candidates for Sector 2 - young
    #          extra_filters:
    #            user__metadata__age__lt: 18
    #        - auth_event_ids: [30, 31, 32]
    #          title: Advisory Board candidates for Sector 2 - adult
    #          extra_filters:
    #            user__metadata__age__gte: 18

    # sms otp authentication configuration
    sms_otp:
      # how many seconds does a one time toke has until it needs to be renewed.
      # 5 minutes by default (300 seconds)
      expire_seconds: 300

    # sms configuration
    sms:
      # enable sms configuration. if set to false, the sms configuration doesn't
      # get inserted in the deploy.py config file.
      # allowed values: true|false
      enabled: false

      # sms provider
      # allowed values: esendex|twilio
      provider: esendex

      # Each user might have different domain ids. This settings depends on
      # the provider.
      domain_id: '<DOMAIND>'

      # Provider's user name.
      login: '<LOGIN>'

      # Provider's password.
      sms_password: '<PASSWORD>'

      # Base URL of the API of the provider. Depends on the provider, the
      # default works for esendex.
      url: 'https://api.esendex.com/v1.0/messagedispatcher'

      # Depends on the provider. Allows you to change the sender id.
      sender_id: 'nvotes'
      
      # Depends on the provider. Sender telephone number, to be used by Twilio
      # for countries that don't support alphanumeric sender ids.
      sender_number: ''

      # Voice lang code. Only for esendex. Default: None.
      voice_lang_code: None

      # Base template for sms messages. The %s will be replaced by the
      # message, so you can add prefix and suffixes. Watch the size of the
      # template: sms messages are limited to 140 characters.
      base_template: "__MESSAGE__ -- nVotes"

    # email configuration
    email:
      # enable email configuration. if set to false, the emailconfiguration
      # doesn't get inserted in the deploy.py config file.
      # allowed values: true|false
      enabled: false

      # The sender email address
      default_from_email: 'agora@example.com'

      # Email server host
      email_host: 'example.com'

      # Email server port
      email_port: 24

      # Base template for plain text email messages. The __MESSAGE__ will be
      # replaced by the message, so you can add prefix and suffixes.
      base_template: "__MESSAGE__\n\n -- nVotes https://nvotes.com"

      # Base template for plain text email titles. The __TITLE__ will be
      # replaced by the title, so you can add prefix and suffixes.
      base_title_template: "__TITLE__ - nVotes"

      # Possible backends: email|console
      backend: 'console'

    # List of OpenID Connect providers information. Each provider contains
    # public info that is used by agora-gui to show information about the
    # providers, and private info that is used by authapi for authentication.
    #
    # The logout_redirect_uri is used in case the election is configured to
    # show a way to logout or even redirect after voting, and this URI can
    # contain a __EVENT_ID__ that will be changed to the appropiate event_id
    # before sending the user to it.
    #
    # openid_connect_providers:
    #  - public_info:
    #      id: example
    #      title: Authenticate to vote with Example
    #      description: Authenticate to vote with Example
    #      icon: https://www.example.com/favicon.ico
    #      authorization_endpoint: https://accounts.example.com/o/oauth2/v2/auth
    #      client_id: my_example_client_id.apps.example.com
    #      issuer: https://accounts.example.com
    #      token_endpoint: https://oauth2.example.com/token
    #      jwks_uri: https://www.example.com/oauth2/v3/certs
    #      logout_uri: https://accounts.example.com/o/oauth2/v2/auth_logout
    #    private_config:
    #      client_secret: example_secret
    openid_connect_providers: []

    # list of extra options, added at the end as configuration lines in the
    # configuration file
    extra_options: []
      # - WHATEVER = 'VALUE'

  # Authorities
  authorities:
    - id: "auth1"
      name: "nVotes 1"
      description: "nVotes es un software libre de votaciones que permite a cualquier organización realizar procesos electorales de forma segura, flexible, transparente y a un precio competitivo."
      url: "https://nvotes.com"
      image: "/docs/logo_agora.png"
    - id: "auth2"
      name: "nVotes 2"
      description: "nVotes es un software libre de votaciones que permite a cualquier organización realizar procesos electorales de forma segura, flexible, transparente y a un precio competitivo."
      url: "https://nvotes.com"
      image: "/docs/logo_agora.png"
  director: 'auth1'
  auths: "['auth2']"

  # set to true if the environment where you are going to deploy the machine,
  # it uses an https_proxy, which is not transparently supported in ansible.
  has_https_proxy: false

  # populates the /etc/hosts file. Sometimes this is needed, for example when
  # deploying with vagrant, the name of other machines might not be
  # automatically known by others, for example the name of the master might not
  # be known by the slave machine.
  hosts: []
  #  - hostname: agora-auth5
  #    ip: 192.168.50.4

  #
  # Load Balancing & High Availability configuration details
  #
  load_balancing:
    # set to true if you want to enable load_balancing. Basically this affects
    # to oneserver.conf configuration
    enabled: false

    # set is_master to "true" if the machine will be the master server,
    # set to "false" if it's going to act as a slave (with a hot standby
    # postgresql database configuration)
    is_master: true

    # Id of the node. Both master and slaves require to have a unique id.
    # This is used by repmgr.
    repmgr_node_id: 1

    # The CIDR address of the load balancer. This is used in the nginx
    # configuration of oneserver.conf
    loadbalancers_cidr: '192.168.0.11/0'

    # The header used by the load balancer to communicate the real ip of the
    # user.
    load_balancer_real_ip_header: 'X-Real-IP'

    # set to 'true' if the load balancer will access to this machines using
    # TLS (which is more secure but slower).
    use_https: false

    # Configuration needed when the machine is configured to be a slave i.e.
    # 'is_master' is set to 'false'
    slave:
      # hostname of the master. Used to:
      # - connect via rsync
      # - connect via postgresql
      master_hostname: 'localhost'

      # specifies the update frequency of the rsync of dirs from master.
      # rsync is done of /etc/eopeers/ and /home/agoraelections/datastore
      rsync_update_secs: 600

    # Configuration needed when the machine is configured to be a master i.e.
    # 'is_master' is set to 'true'
    master:
      # The list of keys in here will be accepted  to login as agoraelections.
      # This is used for rsync synchronization.
      #
      # The ssh key you need to put here can be found in the file
      # /home/agoraelections/.ssh/id_rsa.pub in the slave machines.
      slave_agoraelections_ssh_keys: []
      #  - 'ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAACAQChqdkxOwcZasOpW8b6FPULMLYozOG4GKioFVmH+zT8l7fO/+SSeqEePJT5DDdvhuFuatStRvkrlRns4PoB3AeOsjnk+PIe+nIRXx1o7Wyjtn8AzWq55X8XWNHuh6QsVbVWFD6AzbFb2kiAx8sRe2+suLbW2DuSoCBWoildWe0ipMW1//qv477jfOZKdYlVAvRu/vbhoBwvmnlI/7N06oDkhyBJ+WUlY8T72FCTWhA3U6Q3CHRryNOG8sRIvVcq9m30dY3x8BvmRDbEQRjOnLTvW+Ua1KLnq9azVBjYvvbkTWVkiLMLhKEqgjXrNvL1sPVjmyqJ9PPNxaztW3JAVmJkTQk40K32z4G+pq1Hfy5vuOhnCubyRf5b4KWFxGUbZX9vM1+U8o5w7HOspGM+60e4NASVXIUYJmdwXL3w2ERwn3qvMhhEvqgtan9+3Lu5lpKMcaax0/GhxYREzdN4njRpXAkUIf2TjRTohx6s+6QCTrXpaQm/sLUITH8fRJqG6JVkp7f6Dldo9PesxnwWdmYcamTyhPpnuk+vA6sXPQmSpxhUTObXir0o/VZmacUbU193884MS72/hmk7m7J1u0EU95fW80WjdordrjI3Zj9TvWRo1tSbKbzc6Gan8mVXeMa22yRlvL4ZcxkKgAcDuz1zdCrlV8pZcsRdBobQwdf2mw== agoraelections@agora-slave/ansible-generated'

      # The list of keys in here will be accepted  to login as agoraelections.
      # This is used for rsync synchronization.
      #
      # The ssh key you need to put here can be found in the file
      # /var/lib/postgresql/.ssh/id_rsa.pub in the slave machines.
      slave_postgres_ssh_keys: []
      #  - 'ssh-rsa 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 postgres@agora-slave/ansible-generated'

      # CIDR block address slaves' used to specify:
      #  - which machines can access to postgresql
      slave_cidr_address: '192.168.0.11/24'