amery
ea23312d4a
Ring 2 is the service network shared by all kubernetes clusters. Signed-off-by: Alejandro Mery <amery@jpi.io>
20 lines
490 B
Go
20 lines
490 B
Go
package rings
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import "net/netip"
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// RingTwoPrefix represents the services of a cluster
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//
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// Ring 2 subnets are of the form `10.(region_id).0.0/20`,
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// using the address space that would belong to the ring 3
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// region_id 0.
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func RingTwoPrefix(region RegionID) (cidr netip.Prefix, err error) {
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switch {
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case !region.Valid():
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err = ErrOutOfRange(region, "region")
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default:
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addr := AddrFrom4(10, uint(region), 0, 0)
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cidr = netip.PrefixFrom(addr, RingTwoBits)
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}
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return cidr, err
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}
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