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2016-03-04Add IPv6 Support to Isolated NetworksDan Sneddon1-0/+49
This change adds a new set of network templates with IPv6 subnets that can be used instead of the existing IPv4 networks. Each network can use either the IPv4 or IPv6 template, and the Neutron subnet will be created with the specified IP version. The default addresses used for the IPv6 networks use the fd00::/8 prefix for the internal isolated networks (this range is reserved for private use similar to 10.0.0.0/8), and 2001:db8:fd00:1000::/64 is used as an example default for the External network (2001:db8::/32 are the documentation addresses [RFC3849]), but this would ordinarily be a globally addressable subnet. These parameters may be overridden in an environment file. This change will require updates to the OpenStack Puppet Modules to support IPv6 addresses in some of the hieradata values. Many of the OPM modules already have IPv6 support to support IPv6 deployments in Packstack, but some OPM packages that apply only to Instack/TripleO deployments need to be updated. IPv6 addresses used in URLs need to be surrounded by brackets in order to differentiate IP address from port number. This change adds a new output to the network/ports resources for ip_address_uri, which is an IP address with brackets in the case of IPv6, and a raw IP address without brackets for IPv4 ports. This change also updates some URLs which are constructed in Heat. This has been tested and problems were found with Puppet not accepting IPv6 addresses. This is addressed in the latest Puppet. Additional changes were required to make this work with Ceph. IPv6 tunnel endpoints with Open vSwitch are not yet supported (although support is coming soon), so this review leaves the Tenant network as an isolated IPv4 network for the time being. Change-Id: Ie7a742bdf1db533edda2998a53d28528f80ef8e2