一、horizon介紹

Horizon 為 Openstack 提供一個 WEB 前端的管 理介面 (UI 服務 ) 通過 Horizone 所提供的 DashBoard 服務 , 管理 員可以使用通過 WEB UI 對 Openstack 整體雲環境 進行管理 , 並可直觀看到各種操作結果與執行狀態。

１.ＤａｓｈＢｏａｒｄ　與其他元件的關係

２.登入　ＤａｓｈＢｏａｒｄ介面

啟動客戶端瀏覽器，於位址列輸入： http://Horizone_server_ip/dashboard

二．ＤａｓｈＢｏａｒｄ的配置檔案－－－horizon—Dashboard—前端頁面服務

horizon—元件 Dashboard—服務     安裝dashboard服務 yum -y install openstack-dashboard   配置檔案 cd /etc/openstack-dashboard/ mv local_settings local_settings.copy vim local_settings # -*- coding: utf-8 -*-   import os   from django.utils.translation import ugettext_lazy as _     from openstack_dashboard.settings import HORIZON_CONFIG   DEBUG = False     # WEBROOT is the location relative to Webserver root # should end with a slash. WEBROOT = '/dashboard/' #LOGIN_URL = WEBROOT + 'auth/login/' #LOGOUT_URL = WEBROOT + 'auth/logout/' # # LOGIN_REDIRECT_URL can be used as an alternative for # HORIZON_CONFIG.user_home, if user_home is not set. # Do not set it to '/home/', as this will cause circular redirect loop #LOGIN_REDIRECT_URL = WEBROOT   # If horizon is running in production (DEBUG is False), set this # with the list of host/domain names that the application can serve. # For more information see: # https://docs.djangoproject.com/en/dev/ref/settings/#allowed-hosts ALLOWED_HOSTS = ['horizon.example.com', 'localhost','*']   # Set SSL proxy settings: # Pass this header from the proxy after terminating the SSL, # and don't forget to strip it from the client's request. # For more information see: # https://docs.djangoproject.com/en/dev/ref/settings/#secure-proxy-ssl-header #SECURE_PROXY_SSL_HEADER = ('HTTP_X_FORWARDED_PROTO', 'https')   # If Horizon is being served through SSL, then uncomment the following two # settings to better secure the cookies from security exploits #CSRF_COOKIE_SECURE = True #SESSION_COOKIE_SECURE = True   # The absolute path to the directory where message files are collected. # The message file must have a .json file extension. When the user logins to # horizon, the message files collected are processed and displayed to the user. #MESSAGES_PATH=None   # Overrides for OpenStack API versions. Use this setting to force the # OpenStack dashboard to use a specific API version for a given service API. # Versions specified here should be integers or floats, not strings. # NOTE: The version should be formatted as it appears in the URL for the # service API. For example, The identity service APIs have inconsistent # use of the decimal point, so valid options would be 2.0 or 3. # Minimum compute version to get the instance locked status is 2.9. OPENSTACK_API_VERSIONS = { #    "data-processing": 1.1,     "identity": 3,     "image": 2,     "volume": 2,     "compute": 2, }   # Set this to True if running on a multi-domain model. When this is enabled, it # will require the user to enter the Domain name in addition to the username # for login. OPENSTACK_KEYSTONE_MULTIDOMAIN_SUPPORT = True   # Overrides the default domain used when running on single-domain model # with Keystone V3. All entities will be created in the default domain. # NOTE: This value must be the name of the default domain, NOT the ID. # Also, you will most likely have a value in the keystone policy file like this #    "cloud_admin": "rule:admin_required and domain_id:<your domain id>" # This value must be the name of the domain whose ID is specified there. OPENSTACK_KEYSTONE_DEFAULT_DOMAIN = 'Default'   # Set this to True to enable panels that provide the ability for users to # manage Identity Providers (IdPs) and establish a set of rules to map # federation protocol attributes to Identity API attributes. # This extension requires v3.0+ of the Identity API. #OPENSTACK_KEYSTONE_FEDERATION_MANAGEMENT = False   # Set Console type: # valid options are "AUTO"(default), "VNC", "SPICE", "RDP", "SERIAL" or None # Set to None explicitly if you want to deactivate the console. #CONSOLE_TYPE = "AUTO"   # If provided, a "Report Bug" link will be displayed in the site header # which links to the value of this setting (ideally a URL containing # information on how to report issues). #HORIZON_CONFIG["bug_url"] = "http://bug-report.example.com"   # Show backdrop element outside the modal, do not close the modal # after clicking on backdrop. #HORIZON_CONFIG["modal_backdrop"] = "static"   # Specify a regular expression to validate user passwords. #HORIZON_CONFIG["password_validator"] = { #    "regex": '.*', #    "help_text": _("Your password does not meet the requirements."), #}   # Disable simplified floating IP address management for deployments with # multiple floating IP pools or complex network requirements. #HORIZON_CONFIG["simple_ip_management"] = False   # Turn off browser autocompletion for forms including the login form and # the database creation workflow if so desired. #HORIZON_CONFIG["password_autocomplete"] = "off"   # Setting this to True will disable the reveal button for password fields, # including on the login form. #HORIZON_CONFIG["disable_password_reveal"] = False   LOCAL_PATH = '/tmp'   # Set custom secret key: # You can either set it to a specific value or you can let horizon generate a # default secret key that is unique on this machine, e.i. regardless of the # amount of Python WSGI workers (if used behind Apache+mod_wsgi): However, # there may be situations where you would want to set this explicitly, e.g. # when multiple dashboard instances are distributed on different machines # (usually behind a load-balancer). Either you have to make sure that a session # gets all requests routed to the same dashboard instance or you set the same # SECRET_KEY for all of them. SECRET_KEY='852c7ef13d000ba1bf5d'   # We recommend you use memcached for development; otherwise after every reload # of the django development server, you will have to login again. To use # memcached set CACHES to something like SESSION_ENGINE = 'django.contrib.sessions.backends.cache'   CACHES = {     'default': {         'BACKEND': 'django.core.cache.backends.memcached.MemcachedCache',         'LOCATION': 'controller:11211',     }, }   #CACHES = { #    'default': { #        'BACKEND': 'django.core.cache.backends.locmem.LocMemCache', #    }, #}   # Send email to the console by default EMAIL_BACKEND = 'django.core.mail.backends.console.EmailBackend' # Or send them to /dev/null #EMAIL_BACKEND = 'django.core.mail.backends.dummy.EmailBackend'   # Configure these for your outgoing email host #EMAIL_HOST = 'smtp.my-company.com' #EMAIL_PORT = 25 #EMAIL_HOST_USER = 'djangomail' #EMAIL_HOST_PASSWORD = 'top-secret!'   # For multiple regions uncomment this configuration, and add (endpoint, title). #AVAILABLE_REGIONS = [ #    ('http://cluster1.example.com:5000/v2.0', 'cluster1'), #    ('http://cluster2.example.com:5000/v2.0', 'cluster2'), #]   OPENSTACK_HOST = "controller" OPENSTACK_KEYSTONE_URL = "http://%s:5000/v3" % OPENSTACK_HOST OPENSTACK_KEYSTONE_DEFAULT_ROLE = "user"   # Enables keystone web single-sign-on if set to True. #WEBSSO_ENABLED = False   # Determines which authentication choice to show as default. #WEBSSO_INITIAL_CHOICE = "credentials"   # The list of authentication mechanisms which include keystone # federation protocols and identity provider/federation protocol # mapping keys (WEBSSO_IDP_MAPPING). Current supported protocol # IDs are 'saml2' and 'oidc'  which represent SAML 2.0, OpenID # Connect respectively. # Do not remove the mandatory credentials mechanism. # Note: The last two tuples are sample mapping keys to a identity provider # and federation protocol combination (WEBSSO_IDP_MAPPING). #WEBSSO_CHOICES = ( #    ("credentials", _("Keystone Credentials")), #    ("oidc", _("OpenID Connect")), #    ("saml2", _("Security Assertion Markup Language")), #    ("acme_oidc", "ACME - OpenID Connect"), #    ("acme_saml2", "ACME - SAML2"), #)   # A dictionary of specific identity provider and federation protocol # combinations. From the selected authentication mechanism, the value # will be looked up as keys in the dictionary. If a match is found, # it will redirect the user to a identity provider and federation protocol # specific WebSSO endpoint in keystone, otherwise it will use the value # as the protocol_id when redirecting to the WebSSO by protocol endpoint. # NOTE: The value is expected to be a tuple formatted as: (<idp_id>, <protocol_id>). #WEBSSO_IDP_MAPPING = { #    "acme_oidc": ("acme", "oidc"), #    "acme_saml2": ("acme", "saml2"), #}   # The Keystone Provider drop down uses Keystone to Keystone federation # to switch between Keystone service providers. # Set display name for Identity Provider (dropdown display name) #KEYSTONE_PROVIDER_IDP_NAME = "Local Keystone" # This id is used for only for comparison with the service provider IDs. This ID # should not match any service provider IDs. #KEYSTONE_PROVIDER_IDP_ID = "localkeystone"   # Disable SSL certificate checks (useful for self-signed certificates): #OPENSTACK_SSL_NO_VERIFY = True   # The CA certificate to use to verify SSL connections #OPENSTACK_SSL_CACERT = '/path/to/cacert.pem'   # The OPENSTACK_KEYSTONE_BACKEND settings can be used to identify the # capabilities of the auth backend for Keystone. # If Keystone has been configured to use LDAP as the auth backend then set # can_edit_user to False and name to 'ldap'. # # TODO(tres): Remove these once Keystone has an API to identify auth backend. OPENSTACK_KEYSTONE_BACKEND = {     'name': 'native',     'can_edit_user': True,     'can_edit_group': True,     'can_edit_project': True,     'can_edit_domain': True,     'can_edit_role': True, }   # Setting this to True, will add a new "Retrieve Password" action on instance, # allowing Admin session password retrieval/decryption. #OPENSTACK_ENABLE_PASSWORD_RETRIEVE = False   # This setting allows deployers to control whether a token is deleted on log # out. This can be helpful when there are often long running processes being # run in the Horizon environment. #TOKEN_DELETE_DISABLED = False   # The Launch Instance user experience has been significantly enhanced. # You can choose whether to enable the new launch instance experience, # the legacy experience, or both. The legacy experience will be removed # in a future release, but is available as a temporary backup setting to ensure # compatibility with existing deployments. Further development will not be # done on the legacy experience. Please report any problems with the new # experience via the Launchpad tracking system. # # Toggle LAUNCH_INSTANCE_LEGACY_ENABLED and LAUNCH_INSTANCE_NG_ENABLED to # determine the experience to enable.  Set them both to true to enable # both. #LAUNCH_INSTANCE_LEGACY_ENABLED = True #LAUNCH_INSTANCE_NG_ENABLED = False   # A dictionary of settings which can be used to provide the default values for # properties found in the Launch Instance modal. #LAUNCH_INSTANCE_DEFAULTS = { #    'config_drive': False, #    'enable_scheduler_hints': True, #    'disable_image': False, #    'disable_instance_snapshot': False, #    'disable_volume': False, #    'disable_volume_snapshot': False, #    'create_volume': True, #}   # The Xen Hypervisor has the ability to set the mount point for volumes # attached to instances (other Hypervisors currently do not). Setting # can_set_mount_point to True will add the option to set the mount point # from the UI. OPENSTACK_HYPERVISOR_FEATURES = {     'can_set_mount_point': False,     'can_set_password': False,     'requires_keypair': False,     'enable_quotas': True }   # The OPENSTACK_CINDER_FEATURES settings can be used to enable optional # services provided by cinder that is not exposed by its extension API. OPENSTACK_CINDER_FEATURES = {     'enable_backup': False, }   # The OPENSTACK_NEUTRON_NETWORK settings can be used to enable optional # services provided by neutron. Options currently available are load # balancer service, security groups, quotas, VPN service. OPENSTACK_NEUTRON_NETWORK = {     'enable_router': True,     'enable_quotas': True,     'enable_ipv6': True,     'enable_distributed_router': False,     'enable_ha_router': False,     'enable_lb': True,     'enable_firewall': True,     'enable_vpn': True,     'enable_fip_topology_check': True,       # Default dns servers you would like to use when a subnet is     # created.  This is only a default, users can still choose a different     # list of dns servers when creating a new subnet.     # The entries below are examples only, and are not appropriate for     # real deployments     # 'default_dns_nameservers': ["8.8.8.8", "8.8.4.4", "208.67.222.222"],       # The profile_support option is used to detect if an external router can be     # configured via the dashboard. When using specific plugins the     # profile_support can be turned on if needed.     'profile_support': None,     #'profile_support': 'cisco',       # Set which provider network types are supported. Only the network types     # in this list will be available to choose from when creating a network.     # Network types include local, flat, vlan, gre, vxlan and geneve.     # 'supported_provider_types': ['*'],       # You can configure available segmentation ID range per network type     # in your deployment.     # 'segmentation_id_range': {     #     'vlan': [1024, 2048],     #     'vxlan': [4094, 65536],     # },       # You can define additional provider network types here.     # 'extra_provider_types': {     #     'awesome_type': {     #         'display_name': 'Awesome New Type',     #         'require_physical_network': False,     #         'require_segmentation_id': True,     #     }     # },       # Set which VNIC types are supported for port binding. Only the VNIC     # types in this list will be available to choose from when creating a     # port.     # VNIC types include 'normal', 'macvtap' and 'direct'.     # Set to empty list or None to disable VNIC type selection.     'supported_vnic_types': ['*'], }   # The OPENSTACK_HEAT_STACK settings can be used to disable password # field required while launching the stack. OPENSTACK_HEAT_STACK = {     'enable_user_pass': True, }   # The OPENSTACK_IMAGE_BACKEND settings can be used to customize features # in the OpenStack Dashboard related to the Image service, such as the list # of supported image formats. #OPENSTACK_IMAGE_BACKEND = { #    'image_formats': [ #        ('', _('Select format')), #        ('aki', _('AKI - Amazon Kernel Image')), #        ('ami', _('AMI - Amazon Machine Image')), #        ('ari', _('ARI - Amazon Ramdisk Image')), #        ('docker', _('Docker')), #        ('iso', _('ISO - Optical Disk Image')), #        ('ova', _('OVA - Open Virtual Appliance')), #        ('qcow2', _('QCOW2 - QEMU Emulator')), #        ('raw', _('Raw')), #        ('vdi', _('VDI - Virtual Disk Image')), #        ('vhd', _('VHD - Virtual Hard Disk')), #        ('vmdk', _('VMDK - Virtual Machine Disk')), #    ], #}   # The IMAGE_CUSTOM_PROPERTY_TITLES settings is used to customize the titles for # image custom property attributes that appear on image detail pages. IMAGE_CUSTOM_PROPERTY_TITLES = {     "architecture": _("Architecture"),     "kernel_id": _("Kernel ID"),     "ramdisk_id": _("Ramdisk ID"),     "image_state": _("Euca2ools state"),     "project_id": _("Project ID"),     "image_type": _("Image Type"), }   # The IMAGE_RESERVED_CUSTOM_PROPERTIES setting is used to specify which image # custom properties should not be displayed in the Image Custom Properties # table. IMAGE_RESERVED_CUSTOM_PROPERTIES = []   # Set to 'legacy' or 'direct' to allow users to upload images to glance via # Horizon server. When enabled, a file form field will appear on the create # image form. If set to 'off', there will be no file form field on the create # image form. See documentation for deployment considerations. #HORIZON_IMAGES_UPLOAD_MODE = 'legacy'   # Allow a location to be set when creating or updating Glance images. # If using Glance V2, this value should be False unless the Glance # configuration and policies allow setting locations. #IMAGES_ALLOW_LOCATION = False   # OPENSTACK_ENDPOINT_TYPE specifies the endpoint type to use for the endpoints # in the Keystone service catalog. Use this setting when Horizon is running # external to the OpenStack environment. The default is 'publicURL'. #OPENSTACK_ENDPOINT_TYPE = "publicURL"   # SECONDARY_ENDPOINT_TYPE specifies the fallback endpoint type to use in the # case that OPENSTACK_ENDPOINT_TYPE is not present in the endpoints # in the Keystone service catalog. Use this setting when Horizon is running # external to the OpenStack environment. The default is None. This # value should differ from OPENSTACK_ENDPOINT_TYPE if used. #SECONDARY_ENDPOINT_TYPE = None   # The number of objects (Swift containers/objects or images) to display # on a single page before providing a paging element (a "more" link) # to paginate results. API_RESULT_LIMIT = 1000 API_RESULT_PAGE_SIZE = 20   # The size of chunk in bytes for downloading objects from Swift SWIFT_FILE_TRANSFER_CHUNK_SIZE = 512 * 1024   # The default number of lines displayed for instance console log. INSTANCE_LOG_LENGTH = 35   # Specify a maximum number of items to display in a dropdown. DROPDOWN_MAX_ITEMS = 30   # The timezone of the server. This should correspond with the timezone # of your entire OpenStack installation, and hopefully be in UTC. TIME_ZONE = "UTC"   # When launching an instance, the menu of available flavors is # sorted by RAM usage, ascending. If you would like a different sort order, # you can provide another flavor attribute as sorting key. Alternatively, you # can provide a custom callback method to use for sorting. You can also provide # a flag for reverse sort. For more info, see # http://docs.python.org/2/library/functions.html#sorted #CREATE_INSTANCE_FLAVOR_SORT = { #    'key': 'name', #     # or #    'key': my_awesome_callback_method, #    'reverse': False, #}   # Set this to True to display an 'Admin Password' field on the Change Password # form to verify that it is indeed the admin logged-in who wants to change # the password. #ENFORCE_PASSWORD_CHECK = False   # Modules that provide /auth routes that can be used to handle different types # of user authentication. Add auth plugins that require extra route handling to # this list. #AUTHENTICATION_URLS = [ #    'openstack_auth.urls', #]   # The Horizon Policy Enforcement engine uses these values to load per service # policy rule files. The content of these files should match the files the # OpenStack services are using to determine role based access control in the # target installation.   # Path to directory containing policy.json files POLICY_FILES_PATH = '/etc/openstack-dashboard'   # Map of local copy of service policy files. # Please insure that your identity policy file matches the one being used on # your keystone servers. There is an alternate policy file that may be used # in the Keystone v3 multi-domain case, policy.v3cloudsample.json. # This file is not included in the Horizon repository by default but can be # found at # http://git.openstack.org/cgit/openstack/keystone/tree/etc/ \ # policy.v3cloudsample.json # Having matching policy files on the Horizon and Keystone servers is essential # for normal operation. This holds true for all services and their policy files. #POLICY_FILES = { #    'identity': 'keystone_policy.json', #    'compute': 'nova_policy.json', #    'volume': 'cinder_policy.json', #    'image': 'glance_policy.json', #    'orchestration': 'heat_policy.json', #    'network': 'neutron_policy.json', #}   # TODO: (david-lyle) remove when plugins support adding settings. # Note: Only used when trove-dashboard plugin is configured to be used by # Horizon. # Trove user and database extension support. By default support for # creating users and databases on database instances is turned on. # To disable these extensions set the permission here to something # unusable such as ["!"]. #TROVE_ADD_USER_PERMS = [] #TROVE_ADD_DATABASE_PERMS = []   # Change this patch to the appropriate list of tuples containing # a key, label and static directory containing two files: # _variables.scss and _styles.scss #AVAILABLE_THEMES = [ #    ('default', 'Default', 'themes/default'), #    ('material', 'Material', 'themes/material'), #]   LOGGING = {     'version': 1,     # When set to True this will disable all logging except     # for loggers specified in this configuration dictionary. Note that     # if nothing is specified here and disable_existing_loggers is True,     # django.db.backends will still log unless it is disabled explicitly.     'disable_existing_loggers': False,     'formatters': {         'operation': {             # The format of "%(message)s" is defined by             # OPERATION_LOG_OPTIONS['format']             'format': '%(asctime)s %(message)s'         },     },     'handlers': {         'null': {             'level': 'DEBUG',             'class': 'logging.NullHandler',         },         'console': {             # Set the level to "DEBUG" for verbose output logging.             'level': 'INFO',             'class': 'logging.StreamHandler',         },         'operation': {             'level': 'INFO',             'class': 'logging.StreamHandler',             'formatter': 'operation',         },     },     'loggers': {         # Logging from django.db.backends is VERY verbose, send to null         # by default.         'django.db.backends': {             'handlers': ['null'],             'propagate': False,         },         'requests': {             'handlers': ['null'],             'propagate': False,         },         'horizon': {             'handlers': ['console'],             'level': 'DEBUG',             'propagate': False,         },         'horizon.operation_log': {             'handlers': ['operation'],             'level': 'INFO',             'propagate': False,         },         'openstack_dashboard': {             'handlers': ['console'],             'level': 'DEBUG',             'propagate': False,         },         'novaclient': {             'handlers': ['console'],             'level': 'DEBUG',             'propagate': False,         },         'cinderclient': {             'handlers': ['console'],             'level': 'DEBUG',             'propagate': False,         },         'keystoneclient': {             'handlers': ['console'],             'level': 'DEBUG',             'propagate': False,         },         'glanceclient': {             'handlers': ['console'],             'level': 'DEBUG',             'propagate': False,         },         'neutronclient': {             'handlers': ['console'],             'level': 'DEBUG',             'propagate': False,         },         'heatclient': {             'handlers': ['console'],             'level': 'DEBUG',             'propagate': False,         },         'swiftclient': {             'handlers': ['console'],             'level': 'DEBUG',             'propagate': False,         },         'openstack_auth': {             'handlers': ['console'],             'level': 'DEBUG',             'propagate': False,         },         'nose.plugins.manager': {             'handlers': ['console'],             'level': 'DEBUG',             'propagate': False,         },         'django': {             'handlers': ['console'],             'level': 'DEBUG',             'propagate': False,         },         'iso8601': {             'handlers': ['null'],             'propagate': False,         },         'scss': {             'handlers': ['null'],             'propagate': False,         },     }, }   # 'direction' should not be specified for all_tcp/udp/icmp. # It is specified in the form. SECURITY_GROUP_RULES = {     'all_tcp': {         'name': _('All TCP'),         'ip_protocol': 'tcp',         'from_port': '1',         'to_port': '65535',     },     'all_udp': {         'name': _('All UDP'),         'ip_protocol': 'udp',         'from_port': '1',         'to_port': '65535',     },     'all_icmp': {         'name': _('All ICMP'),         'ip_protocol': 'icmp',         'from_port': '-1',         'to_port': '-1',     },     'ssh': {         'name': 'SSH',         'ip_protocol': 'tcp',         'from_port': '22',         'to_port': '22',     },     'smtp': {         'name': 'SMTP',         'ip_protocol': 'tcp',         'from_port': '25',         'to_port': '25',     },     'dns': {         'name': 'DNS',         'ip_protocol': 'tcp',         'from_port': '53',         'to_port': '53',     },     'http': {         'name': 'HTTP',         'ip_protocol': 'tcp',         'from_port': '80',         'to_port': '80',     },     'pop3': {         'name': 'POP3',         'ip_protocol': 'tcp',         'from_port': '110',         'to_port': '110',     },     'imap': {         'name': 'IMAP',         'ip_protocol': 'tcp',         'from_port': '143',         'to_port': '143',     },     'ldap': {         'name': 'LDAP',         'ip_protocol': 'tcp',         'from_port': '389',         'to_port': '389',     },     'https': {         'name': 'HTTPS',         'ip_protocol': 'tcp',         'from_port': '443',         'to_port': '443',     },     'smtps': {         'name': 'SMTPS',         'ip_protocol': 'tcp',         'from_port': '465',         'to_port': '465',     },     'imaps': {         'name': 'IMAPS',         'ip_protocol': 'tcp',         'from_port': '993',         'to_port': '993',     },     'pop3s': {         'name': 'POP3S',         'ip_protocol': 'tcp',         'from_port': '995',         'to_port': '995',     },     'ms_sql': {         'name': 'MS SQL',         'ip_protocol': 'tcp',         'from_port': '1433',         'to_port': '1433',     },     'mysql': {         'name': 'MYSQL',         'ip_protocol': 'tcp',         'from_port': '3306',         'to_port': '3306',     },     'rdp': {         'name': 'RDP',         'ip_protocol': 'tcp',         'from_port': '3389',         'to_port': '3389',     }, }   # Deprecation Notice: # # The setting FLAVOR_EXTRA_KEYS has been deprecated. # Please load extra spec metadata into the Glance Metadata Definition Catalog. # # The sample quota definitions can be found in: # <glance_source>/etc/metadefs/compute-quota.json # # The metadata definition catalog supports CLI and API: #  $glance --os-image-api-version 2 help md-namespace-import #  $glance-manage db_load_metadefs <directory_with_definition_files> # # See Metadata Definitions on: http://docs.openstack.org/developer/glance/   # TODO: (david-lyle) remove when plugins support settings natively # Note: This is only used when the Sahara plugin is configured and enabled # for use in Horizon. # Indicate to the Sahara data processing service whether or not # automatic floating IP allocation is in effect.  If it is not # in effect, the user will be prompted to choose a floating IP # pool for use in their cluster.  False by default.  You would want # to set this to True if you were running Nova Networking with # auto_assign_floating_ip = True. #SAHARA_AUTO_IP_ALLOCATION_ENABLED = False   # The hash algorithm to use for authentication tokens. This must # match the hash algorithm that the identity server and the # auth_token middleware are using. Allowed values are the # algorithms supported by Python's hashlib library. #OPENSTACK_TOKEN_HASH_ALGORITHM = 'md5'   # AngularJS requires some settings to be made available to # the client side. Some settings are required by in-tree / built-in horizon # features. These settings must be added to REST_API_REQUIRED_SETTINGS in the # form of ['SETTING_1','SETTING_2'], etc. # # You may remove settings from this list for security purposes, but do so at # the risk of breaking a built-in horizon feature. These settings are required # for horizon to function properly. Only remove them if you know what you # are doing. These settings may in the future be moved to be defined within # the enabled panel configuration. # You should not add settings to this list for out of tree extensions. # See: https://wiki.openstack.org/wiki/Horizon/RESTAPI REST_API_REQUIRED_SETTINGS = ['OPENSTACK_HYPERVISOR_FEATURES',                               'LAUNCH_INSTANCE_DEFAULTS',                               'OPENSTACK_IMAGE_FORMATS',                               'OPENSTACK_KEYSTONE_DEFAULT_DOMAIN']   # Additional settings can be made available to the client side for # extensibility by specifying them in REST_API_ADDITIONAL_SETTINGS # !! Please use extreme caution as the settings are transferred via HTTP/S # and are not encrypted on the browser. This is an experimental API and # may be deprecated in the future without notice. #REST_API_ADDITIONAL_SETTINGS = []   # DISALLOW_IFRAME_EMBED can be used to prevent Horizon from being embedded # within an iframe. Legacy browsers are still vulnerable to a Cross-Frame # Scripting (XFS) vulnerability, so this option allows extra security hardening # where iframes are not used in deployment. Default setting is True. # For more information see: # http://tinyurl.com/anticlickjack #DISALLOW_IFRAME_EMBED = True   # Help URL can be made available for the client. To provide a help URL, edit the # following attribute to the URL of your choice.