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d2fea4edc4
* Move L2VPN and L2VPNTermination models from ipam to vpn * Move L2VPN resources from ipam to vpn * Extend migration to update content types * Misc cleanup
89 lines
2.1 KiB
Python
89 lines
2.1 KiB
Python
from django.db.models import Q
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from .choices import FHRPGroupProtocolChoices, IPAddressRoleChoices
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#
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# VRFs
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#
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# Per RFC 4364 section 4.2, a route distinguisher may be encoded as one of the following:
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# * Type 0 (16-bit AS number : 32-bit integer)
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# * Type 1 (32-bit IPv4 address : 16-bit integer)
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# * Type 2 (32-bit AS number : 16-bit integer)
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# 21 characters are sufficient to convey the longest possible string value (255.255.255.255:65535)
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# Also used for RouteTargets
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VRF_RD_MAX_LENGTH = 21
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#
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# Prefixes
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#
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PREFIX_LENGTH_MIN = 1
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PREFIX_LENGTH_MAX = 127 # IPv6
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#
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# IPAddresses
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#
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IPADDRESS_ASSIGNMENT_MODELS = Q(
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Q(app_label='dcim', model='interface') |
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Q(app_label='ipam', model='fhrpgroup') |
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Q(app_label='virtualization', model='vminterface')
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)
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IPADDRESS_MASK_LENGTH_MIN = 1
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IPADDRESS_MASK_LENGTH_MAX = 128 # IPv6
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IPADDRESS_ROLES_NONUNIQUE = (
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# IPAddress roles which are exempt from unique address enforcement
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IPAddressRoleChoices.ROLE_ANYCAST,
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IPAddressRoleChoices.ROLE_VIP,
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IPAddressRoleChoices.ROLE_VRRP,
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IPAddressRoleChoices.ROLE_HSRP,
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IPAddressRoleChoices.ROLE_GLBP,
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IPAddressRoleChoices.ROLE_CARP,
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)
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#
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# FHRP groups
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#
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FHRPGROUPASSIGNMENT_PRIORITY_MIN = 0
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FHRPGROUPASSIGNMENT_PRIORITY_MAX = 255
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FHRP_PROTOCOL_ROLE_MAPPINGS = {
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FHRPGroupProtocolChoices.PROTOCOL_VRRP2: IPAddressRoleChoices.ROLE_VRRP,
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FHRPGroupProtocolChoices.PROTOCOL_VRRP3: IPAddressRoleChoices.ROLE_VRRP,
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FHRPGroupProtocolChoices.PROTOCOL_HSRP: IPAddressRoleChoices.ROLE_HSRP,
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FHRPGroupProtocolChoices.PROTOCOL_GLBP: IPAddressRoleChoices.ROLE_GLBP,
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FHRPGroupProtocolChoices.PROTOCOL_CARP: IPAddressRoleChoices.ROLE_CARP,
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FHRPGroupProtocolChoices.PROTOCOL_OTHER: IPAddressRoleChoices.ROLE_VIP,
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}
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#
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# VLANs
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#
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# 12-bit VLAN ID (values 0 and 4095 are reserved)
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VLAN_VID_MIN = 1
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VLAN_VID_MAX = 4094
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# models values for ContentTypes which may be VLANGroup scope types
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VLANGROUP_SCOPE_TYPES = (
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'region', 'sitegroup', 'site', 'location', 'rack', 'clustergroup', 'cluster',
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)
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#
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# Services
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#
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# 16-bit port number
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SERVICE_PORT_MIN = 1
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SERVICE_PORT_MAX = 65535
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