CONFIG_SCHEMA = {
  'type': 'object',
  'description': 'Schema for Quay configuration',
  'required': [
    'PREFERRED_URL_SCHEME',
    'SERVER_HOSTNAME',
    'DB_URI',
    'AUTHENTICATION_TYPE',
    'DISTRIBUTED_STORAGE_CONFIG',
    'BUILDLOGS_REDIS',
    'USER_EVENTS_REDIS',
    'DISTRIBUTED_STORAGE_PREFERENCE',
    'DEFAULT_TAG_EXPIRATION',
    'TAG_EXPIRATION_OPTIONS',
  ],
  'properties': {
    # Hosting.
    'PREFERRED_URL_SCHEME': {
      'type': 'string',
      'description': 'The URL scheme to use when hitting Quay. If Quay is behind SSL *at all*, this *must* be `https`',
      'enum': ['http', 'https'],
      'x-example': 'https',
    },
    'SERVER_HOSTNAME': {
      'type': 'string',
      'description': 'The URL at which Quay is accessible, without the scheme.',
      'x-example': 'quay.io',
    },
    'EXTERNAL_TLS_TERMINATION': {
      'type': 'boolean',
      'description': 'If TLS is supported, but terminated at a layer before Quay, must be true.',
      'x-example': True,
    },

    # User-visible configuration.
    'REGISTRY_TITLE': {
      'type': 'string',
      'description': 'If specified, the long-form title for the registry. Defaults to `Quay Enterprise`.',
      'x-example': 'Corp Container Service',
    },
    'REGISTRY_TITLE_SHORT': {
      'type': 'string',
      'description': 'If specified, the short-form title for the registry. Defaults to `Quay Enterprise`.',
      'x-example': 'CCS',
    },
    'CONTACT_INFO': {
      'type': 'array',
      'minItems': 1,
      'uniqueItems': True,
      'description': 'If specified, contact information to display on the contact page. ' +
                     'If only a single piece of contact information is specified, the contact footer will link directly.',
      'items': [
        {
          'type': 'string',
          'pattern': '^mailto:(.)+$',
          'x-example': 'mailto:support@quay.io',
          'description': 'Adds a link to send an e-mail',
        },
        {
          'type': 'string',
          'pattern': '^irc://(.)+$',
          'x-example': 'irc://chat.freenode.net:6665/quay',
          'description': 'Adds a link to visit an IRC chat room',
        },
        {
          'type': 'string',
          'pattern': '^tel:(.)+$',
          'x-example': 'tel:+1-888-930-3475',
          'description': 'Adds a link to call a phone number',
        },
        {
          'type': 'string',
          'pattern': '^http(s)?://(.)+$',
          'x-example': 'https://twitter.com/quayio',
          'description': 'Adds a link to a defined URL',
        },
      ],
    },

    # E-mail.
    'FEATURE_MAILING': {
      'type': 'boolean',
      'description': 'Whether emails are enabled. Defaults to True',
      'x-example': True,
    },
    'MAIL_SERVER': {
      'type': 'string',
      'description': 'The SMTP server to use for sending e-mails. Only required if FEATURE_MAILING is set to true.',
      'x-example': 'smtp.somedomain.com',
    },
    'MAIL_USE_TLS': {
      'type': 'boolean',
      'description': 'If specified, whether to use TLS for sending e-mails.',
      'x-example': True,
    },
    'MAIL_PORT': {
      'type': 'number',
      'description': 'The SMTP port to use. If not specified, defaults to 587.',
      'x-example': 588,
    },
    'MAIL_USERNAME': {
      'type': 'string',
      'description': 'The SMTP username to use when sending e-mails.',
      'x-example': 'myuser',
    },
    'MAIL_PASSWORD': {
      'type': 'string',
      'description': 'The SMTP password to use when sending e-mails.',
      'x-example': 'mypassword',
    },
    'MAIL_DEFAULT_SENDER': {
      'type': 'string',
      'description': 'If specified, the e-mail address used as the `from` when Quay sends e-mails. If none, defaults to `support@quay.io`.',
      'x-example': 'support@myco.com',
    },

    # Database.
    'DB_URI': {
      'type': 'string',
      'description': 'The URI at which to access the database, including any credentials.',
      'x-example': 'mysql+pymysql://username:password@dns.of.database/quay',
      'x-reference': 'https://www.postgresql.org/docs/9.3/static/libpq-connect.html#AEN39495',
    },
    'ALLOW_PULLS_WITHOUT_STRICT_LOGGING': {
      'type': 'boolean',
      'description': 'If true, pulls in which the pull audit log entry cannot be written will ' +
                     'still succeed. Useful if the database can fallback into a read-only state ' +
                     'and it is desired for pulls to continue during that time. Defaults to False.',
      'x-example': True,
    },

    # Storage.
    'FEATURE_STORAGE_REPLICATION': {
      'type': 'boolean',
      'description': 'Whether to automatically replicate between storage engines. Defaults to False',
      'x-example': False,
    },
    'FEATURE_PROXY_STORAGE': {
      'type': 'boolean',
      'description': 'Whether to proxy all direct download URLs in storage via the registry nginx. Defaults to False',
      'x-example': False,
    },
    'MAXIMUM_LAYER_SIZE': {
      'type': 'string',
      'description': 'Maximum allowed size of an image layer. Defaults to 20G',
      'x-example': '100G',
      'pattern': '^[0-9]+(G|M)$',
    },
    'DISTRIBUTED_STORAGE_CONFIG': {
      'type': 'object',
      'description': 'Configuration for storage engine(s) to use in Quay. Each key is a unique ID' +
                     ' for a storage engine, with the value being a tuple of the type and ' +
                     ' configuration for that engine.',
      'x-example': {
        'local_storage': ['LocalStorage', {'storage_path': 'some/path/'}],
      },
      'items': {
        'type': 'array',
      },
    },
    'DISTRIBUTED_STORAGE_PREFERENCE': {
      'type': 'array',
      'description': 'The preferred storage engine(s) (by ID in DISTRIBUTED_STORAGE_CONFIG) to ' +
                     'use. A preferred engine means it is first checked for pullig and images are ' +
                     'pushed to it.',
      'items': {
        'type': 'string',
        'uniqueItems': True,
      },
      'x-example': ['s3_us_east', 's3_us_west'],
    },
    'DISTRIBUTED_STORAGE_DEFAULT_LOCATIONS': {
      'type': 'array',
      'description': 'The list of storage engine(s) (by ID in DISTRIBUTED_STORAGE_CONFIG) whose ' +
                     'images should be fully replicated, by default, to all other storage engines.',
      'items': {
        'type': 'string',
        'uniqueItems': True,
      },
      'x-example': ['s3_us_east', 's3_us_west'],
    },

    # Authentication.
    'AUTHENTICATION_TYPE': {
      'type': 'string',
      'description': 'The authentication engine to use for credential authentication.',
      'x-example': 'Database',
      'enum': ['Database', 'LDAP', 'JWT', 'Keystone', 'OIDC'],
    },
    'SUPER_USERS': {
      'type': 'array',
      'description': 'Quay usernames of those users to be granted superuser privileges',
      'uniqueItems': True,
      'items': {
        'type': 'string',
      },
    },
    'DIRECT_OAUTH_CLIENTID_WHITELIST': {
      'type': 'array',
      'description': 'A list of client IDs of *Quay-managed* applications that are allowed ' +
                     'to perform direct OAuth approval without user approval.',
      'x-reference': 'https://coreos.com/quay-enterprise/docs/latest/direct-oauth.html',
      'uniqueItems': True,
      'items': {
        'type': 'string',
      },
    },

    # Redis.
    'BUILDLOGS_REDIS': {
      'type': 'object',
      'description': 'Connection information for Redis for build logs caching',
      'required': ['host'],
      'properties': {
        'host': {
          'type': 'string',
          'description': 'The hostname at which Redis is accessible',
          'x-example': 'my.redis.cluster',
        },
        'port': {
          'type': 'number',
          'description': 'The port at which Redis is accessible',
          'x-example': 1234,
        },
        'password': {
          'type': 'string',
          'description': 'The password to connect to the Redis instance',
          'x-example': 'mypassword',
        },
      },
    },
    'USER_EVENTS_REDIS': {
      'type': 'object',
      'description': 'Connection information for Redis for user event handling',
      'required': ['host'],
      'properties': {
        'host': {
          'type': 'string',
          'description': 'The hostname at which Redis is accessible',
          'x-example': 'my.redis.cluster',
        },
        'port': {
          'type': 'number',
          'description': 'The port at which Redis is accessible',
          'x-example': 1234,
        },
        'password': {
          'type': 'string',
          'description': 'The password to connect to the Redis instance',
          'x-example': 'mypassword',
        },
      },
    },

    # OAuth configuration.
    'GITHUB_LOGIN_CONFIG': {
      'type': 'object',
      'description': 'Configuration for using GitHub (Enterprise) as an external login provider',
      'required': ['GITHUB_ENDPOINT', 'CLIENT_ID', 'CLIENT_SECRET'],
      'x-reference': 'https://coreos.com/quay-enterprise/docs/latest/github-auth.html',
      'properties': {
        'GITHUB_ENDPOINT': {
          'type': 'string',
          'description': 'The endpoint of the GitHub (Enterprise) being hit',
          'x-example': 'https://github.com/',
        },
        'API_ENDPOINT': {
          'type': 'string',
          'description': 'The endpoint of the GitHub (Enterprise) API to use. Must be overridden for github.com',
          'x-example': 'https://api.github.com/',
        },
        'CLIENT_ID': {
          'type': 'string',
          'description': 'The registered client ID for this Quay instance; cannot be shared with GITHUB_TRIGGER_CONFIG',
          'x-example': '0e8dbe15c4c7630b6780',
          'x-reference': 'https://coreos.com/quay-enterprise/docs/latest/github-app.html',
        },
        'CLIENT_SECRET': {
          'type': 'string',
          'description': 'The registered client secret for this Quay instance',
          'x-example': 'e4a58ddd3d7408b7aec109e85564a0d153d3e846',
          'x-reference': 'https://coreos.com/quay-enterprise/docs/latest/github-app.html',
        },
        'ORG_RESTRICT': {
          'type': 'boolean',
          'description': 'If true, only users within the organization whitelist can login using this provider',
          'x-example': True,
        },
        'ALLOWED_ORGANIZATIONS': {
          'type': 'array',
          'description': 'The names of the GitHub (Enterprise) organizations whitelisted to work with the ORG_RESTRICT option',
          'uniqueItems': True,
          'items': {
              'type': 'string',
          },
        },
      },
    },
    'GITHUB_TRIGGER_CONFIG': {
      'type': 'object',
      'description': 'Configuration for using GitHub (Enterprise) for build triggers',
      'required': ['GITHUB_ENDPOINT', 'CLIENT_ID', 'CLIENT_SECRET'],
      'x-reference': 'https://coreos.com/quay-enterprise/docs/latest/github-build.html',
      'properties': {
        'GITHUB_ENDPOINT': {
          'type': 'string',
          'description': 'The endpoint of the GitHub (Enterprise) being hit',
          'x-example': 'https://github.com/',
        },
        'API_ENDPOINT': {
          'type': 'string',
          'description': 'The endpoint of the GitHub (Enterprise) API to use. Must be overridden for github.com',
          'x-example': 'https://api.github.com/',
        },
        'CLIENT_ID': {
          'type': 'string',
          'description': 'The registered client ID for this Quay instance; cannot be shared with GITHUB_LOGIN_CONFIG',
          'x-example': '0e8dbe15c4c7630b6780',
          'x-reference': 'https://coreos.com/quay-enterprise/docs/latest/github-app.html',
        },
        'CLIENT_SECRET': {
          'type': 'string',
          'description': 'The registered client secret for this Quay instance',
          'x-example': 'e4a58ddd3d7408b7aec109e85564a0d153d3e846',
          'x-reference': 'https://coreos.com/quay-enterprise/docs/latest/github-app.html',
        },
      },
    },
    'GOOGLE_LOGIN_CONFIG': {
      'type': 'object',
      'description': 'Configuration for using Google for external authentication',
      'required': ['CLIENT_ID', 'CLIENT_SECRET'],
      'properties': {
        'CLIENT_ID': {
          'type': 'string',
          'description': 'The registered client ID for this Quay instance',
          'x-example': '0e8dbe15c4c7630b6780',
        },
        'CLIENT_SECRET': {
          'type': 'string',
          'description': 'The registered client secret for this Quay instance',
          'x-example': 'e4a58ddd3d7408b7aec109e85564a0d153d3e846',
        },
      },
    },
    'GITLAB_TRIGGER_CONFIG': {
      'type': 'object',
      'description': 'Configuration for using Gitlab (Enterprise) for external authentication',
      'required': ['GITLAB_ENDPOINT', 'CLIENT_ID', 'CLIENT_SECRET'],
      'properties': {
        'GITLAB_ENDPOINT': {
          'type': 'string',
          'description': 'The endpoint at which Gitlab(Enterprise) is running',
          'x-example': 'https://gitlab.com',
        },
        'CLIENT_ID': {
          'type': 'string',
          'description': 'The registered client ID for this Quay instance',
          'x-example': '0e8dbe15c4c7630b6780',
        },
        'CLIENT_SECRET': {
          'type': 'string',
          'description': 'The registered client secret for this Quay instance',
          'x-example': 'e4a58ddd3d7408b7aec109e85564a0d153d3e846',
        },
      },
    },

    # Misc configuration.
    'PUBLIC_NAMESPACES': {
      'type': 'array',
      'description': 'If a namespace is defined in the public namespace list, then it will appear on *all*' +
                     ' user\'s repository list pages, regardless of whether that user is a member of the namespace.' +
                     ' Typically, this is used by an enterprise customer in configuring a set of "well-known"' +
                     ' namespaces.',
      'uniqueItems': True,
      'items': {
        'type': 'string',
      },
    },
    'AVATAR_KIND': {
      'type': 'string',
      'description': 'The types of avatars to display, either generated inline (local) or Gravatar (gravatar)',
      'enum': ['local', 'gravatar'],
    },

    # Time machine and tag expiration settings.
    'FEATURE_CHANGE_TAG_EXPIRATION': {
      'type': 'boolean',
      'description': 'Whether users and organizations are allowed to change the tag expiration for tags in their namespace. Defaults to True.',
      'x-example': False,
    },
    'DEFAULT_TAG_EXPIRATION': {
      'type': 'string',
      'description': 'The default, configurable tag expiration time for time machine. Defaults to `2w`.',
      'pattern': '^[0-9]+(w|m|d|h|s)$',
    },
    'TAG_EXPIRATION_OPTIONS': {
      'type': 'array',
      'description': 'The options that users can select for expiration of tags in their namespace (if enabled)',
      'items': {
        'type': 'string',
        'pattern': '^[0-9]+(w|m|d|h|s)$',
      },
    },

    # Team syncing.
    'FEATURE_TEAM_SYNCING': {
      'type': 'boolean',
      'description': 'Whether to allow for team membership to be synced from a backing group in the authentication engine (LDAP or Keystone)',
      'x-example': True,
    },
    'TEAM_RESYNC_STALE_TIME': {
      'type': 'string',
      'description': 'If team syncing is enabled for a team, how often to check its membership and resync if necessary (Default: 30m)',
      'x-example': '2h',
      'pattern': '^[0-9]+(w|m|d|h|s)$',
    },

    # Security scanning.
    'FEATURE_SECURITY_SCANNER': {
      'type': 'boolean',
      'description': 'Whether to turn of/off the security scanner. Defaults to False',
      'x-example': False,
      'x-reference': 'https://coreos.com/quay-enterprise/docs/latest/security-scanning.html',
    },
    'FEATURE_SECURITY_NOTIFICATIONS': {
      'type': 'boolean',
      'description': 'If the security scanner is enabled, whether to turn of/off security notificaitons. Defaults to False',
      'x-example': False,
    },
    'SECURITY_SCANNER_ENDPOINT' : {
      'type': 'string',
      'pattern': '^http(s)?://(.)+$',
      'description': 'The endpoint for the security scanner',
      'x-example': 'http://192.168.99.101:6060' ,
    },
    'SECURITY_SCANNER_INDEXING_INTERVAL': {
      'type': 'number',
      'description': 'The number of seconds between indexing intervals in the security scanner. Defaults to 30.',
      'x-example': 30,
    },

    # Bittorrent support.
    'FEATURE_BITTORRENT': {
      'type': 'boolean',
      'description': 'Whether to allow using Bittorrent-based pulls. Defaults to False',
      'x-example': False,
      'x-reference': 'https://coreos.com/quay-enterprise/docs/latest/bittorrent.html',
    },
    'BITTORRENT_PIECE_SIZE': {
       'type': 'number',
       'description': 'The bittorent piece size to use. If not specified, defaults to 512 * 1024.',
       'x-example': 512 * 1024,
    },
    'BITTORRENT_ANNOUNCE_URL': {
       'type': 'string',
       'pattern': '^http(s)?://(.)+$',
       'description': 'The URL of the announce endpoint on the bittorrent tracker',
       'x-example': 'https://localhost:6881/announce',
    },

    # Build
    'FEATURE_GITHUB_BUILD': {
      'type': 'boolean',
      'description': 'Whether to support GitHub build triggers. Defaults to False',
      'x-example': False,
    },
    'FEATURE_BITBUCKET_BUILD': {
      'type': 'boolean',
      'description': 'Whether to support Bitbucket build triggers. Defaults to False',
      'x-example': False,
    },
    'FEATURE_GITLAB_BUILD': {
      'type': 'boolean',
      'description': 'Whether to support GitLab build triggers. Defaults to False',
      'x-example': False,
    },
    'FEATURE_BUILD_SUPPORT': {
      'type': 'boolean',
      'description': 'Whether to support Dockerfile build. Defaults to True',
      'x-example': True,
    },

    # Login
    'FEATURE_GITHUB_LOGIN': {
      'type': 'boolean',
      'description': 'Whether GitHub login is supported. Defaults to False',
      'x-example': False,
    },
    'FEATURE_GOOGLE_LOGIN': {
      'type': 'boolean',
      'description': 'Whether Google login is supported. Defaults to False',
      'x-example': False,
    },

    # Feature Flag: Permanent Sessions.
    'FEATURE_PERMANENT_SESSIONS': {
      'type': 'boolean',
      'description': 'Whether sessions are permanent. Defaults to True',
      'x-example': True,
    },

    # Feature Flag: Super User Support.
    'FEATURE_SUPER_USERS': {
      'type': 'boolean',
      'description': 'Whether super users are supported. Defaults to True',
      'x-example': True,
    },

    # Feature Flag: Anonymous Users.
    'FEATURE_ANONYMOUS_ACCESS': {
      'type': 'boolean',
      'description': ' Whether to allow anonymous users to browse and pull public repositories. Defaults to True',
      'x-example': True,
    },

    # Feature Flag: User Creation.
    'FEATURE_USER_CREATION': {
      'type': 'boolean',
      'description': 'Whether users can be created (by non-super users). Defaults to True',
      'x-example': True,
    },

    # Feature Flag: Invite Only User Creation.
    'FEATURE_INVITE_ONLY_USER_CREATION': {
      'type': 'boolean',
      'description': 'Whether users being created must be invited by another user. Defaults to False',
      'x-example': False,
    },

    # Feature Flag: Encrypted Basic Auth.
    'FEATURE_REQUIRE_ENCRYPTED_BASIC_AUTH': {
      'type': 'boolean',
      'description': 'Whether non-encrypted passwords (as opposed to encrypted tokens) can be used for basic auth. Defaults to False',
      'x-example': False,
    },

    # Feature Flag: Direct Login.
    'FEATURE_DIRECT_LOGIN': {
      'type': 'boolean',
      'description': 'Whether users can directly login to the UI. Defaults to True',
      'x-example': True,
    },

    # Feature Flag: Advertising V2.
    'FEATURE_ADVERTISE_V2': {
      'type': 'boolean',
      'description': 'Whether the v2/ endpoint is visible. Defaults to True',
      'x-example': True,
    },

    # Feature Flag: Log Rotation.
    'FEATURE_ACTION_LOG_ROTATION': {
      'type': 'boolean',
      'description': 'Whether or not to rotate old action logs to storage. Defaults to False',
      'x-example': False,
    },

    # Feature Flag: ACI Conversion.
    'FEATURE_ACI_CONVERSION': {
      'type': 'boolean',
      'description': 'Whether to enable conversion to ACIs. Defaults to False',
      'x-example': False,
    },

    # Feature Flag: Library Support.
    'FEATURE_LIBRARY_SUPPORT': {
      'type': 'boolean',
      'description': 'Whether to allow for "namespace-less" repositories when pulling and pushing from Docker. Defaults to True',
      'x-example': True,
    },

    # Feature Flag: Require Team Invite.
    'FEATURE_REQUIRE_TEAM_INVITE': {
      'type': 'boolean',
      'description': 'Whether to require invitations when adding a user to a team. Defaults to True',
      'x-example': True,
    },

    # Feature Flag: Collecting and Supporting Metadata.
    'FEATURE_USER_METADATA': {
      'type': 'boolean',
      'description': 'Whether to collect and support user metadata. Defaults to False',
      'x-example': False,
    },

    # Feature Flag: Support App Registry.
    'FEATURE_APP_REGISTRY': {
      'type': 'boolean',
      'description': 'Whether to enable support for App repositories. Defaults to False',
      'x-example': False,
    },

    # Feature Flag: Public Reposiotires in _catalog Endpoint.
    'FEATURE_PUBLIC_CATALOG': {
      'type': 'boolean',
      'description': 'If set to true, the _catalog endpoint returns public repositories. Otherwise, only private repositories can be returned. Defaults to False',
      'x-example': False,
    },

    # Feature Flag: Reader Build Logs.
    'FEATURE_READER_BUILD_LOGS': {
      'type': 'boolean',
      'description': 'If set to true, build logs may be read by those with read access to the repo, rather than only write access or admin access. Defaults to False',
      'x-example': False,
    },

    # Feature Flag: Usernames Autocomplete.
    'FEATURE_PARTIAL_USER_AUTOCOMPLETE': {
      'type': 'boolean',
      'description': 'If set to true, autocompletion will apply to partial usernames. Defaults to True',
      'x-example': True,
    },
 },
}