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Revert "TUN-6007: Implement new edge discovery algorithm"

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This reverts commit 4f468b8a5d.
This commit is contained in:
Devin Carr
2022-06-14 16:08:03 -07:00
parent 0458ad41dd
commit 1d79831651
14 changed files with 590 additions and 1381 deletions
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269
edgediscovery/allregions/regions_test.go
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@@ -1,215 +1,134 @@
package allregions
import (
"net"
"testing"
"github.com/stretchr/testify/assert"
)
func makeRegions(addrs []*EdgeAddr, mode ConfigIPVersion) Regions {
r1addrs := make([]*EdgeAddr, 0)
r2addrs := make([]*EdgeAddr, 0)
for i, addr := range addrs {
if i%2 == 0 {
r1addrs = append(r1addrs, addr)
} else {
r2addrs = append(r2addrs, addr)
}
var (
addr0 = EdgeAddr{
TCP: &net.TCPAddr{
IP: net.ParseIP("123.4.5.0"),
Port: 8000,
Zone: "",
},
UDP: &net.UDPAddr{
IP: net.ParseIP("123.4.5.0"),
Port: 8000,
Zone: "",
},
}
r1 := NewRegion(r1addrs, mode)
r2 := NewRegion(r2addrs, mode)
addr1 = EdgeAddr{
TCP: &net.TCPAddr{
IP: net.ParseIP("123.4.5.1"),
Port: 8000,
Zone: "",
},
UDP: &net.UDPAddr{
IP: net.ParseIP("123.4.5.1"),
Port: 8000,
Zone: "",
},
}
addr2 = EdgeAddr{
TCP: &net.TCPAddr{
IP: net.ParseIP("123.4.5.2"),
Port: 8000,
Zone: "",
},
UDP: &net.UDPAddr{
IP: net.ParseIP("123.4.5.2"),
Port: 8000,
Zone: "",
},
}
addr3 = EdgeAddr{
TCP: &net.TCPAddr{
IP: net.ParseIP("123.4.5.3"),
Port: 8000,
Zone: "",
},
UDP: &net.UDPAddr{
IP: net.ParseIP("123.4.5.3"),
Port: 8000,
Zone: "",
},
}
)
func makeRegions() Regions {
r1 := NewRegion([]*EdgeAddr{&addr0, &addr1})
r2 := NewRegion([]*EdgeAddr{&addr2, &addr3})
return Regions{region1: r1, region2: r2}
}
func TestRegions_AddrUsedBy(t *testing.T) {
tests := []struct {
name string
addrs []*EdgeAddr
mode ConfigIPVersion
}{
{
name: "IPv4 addresses with IPv4Only",
addrs: v4Addrs,
mode: IPv4Only,
},
{
name: "IPv6 addresses with IPv6Only",
addrs: v6Addrs,
mode: IPv6Only,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
rs := makeRegions(tt.addrs, tt.mode)
addr1 := rs.GetUnusedAddr(nil, 1)
assert.Equal(t, addr1, rs.AddrUsedBy(1))
addr2 := rs.GetUnusedAddr(nil, 2)
assert.Equal(t, addr2, rs.AddrUsedBy(2))
addr3 := rs.GetUnusedAddr(nil, 3)
assert.Equal(t, addr3, rs.AddrUsedBy(3))
})
}
rs := makeRegions()
addr1 := rs.GetUnusedAddr(nil, 1)
assert.Equal(t, addr1, rs.AddrUsedBy(1))
addr2 := rs.GetUnusedAddr(nil, 2)
assert.Equal(t, addr2, rs.AddrUsedBy(2))
addr3 := rs.GetUnusedAddr(nil, 3)
assert.Equal(t, addr3, rs.AddrUsedBy(3))
}
func TestRegions_Giveback_Region1(t *testing.T) {
tests := []struct {
name string
addrs []*EdgeAddr
mode ConfigIPVersion
}{
{
name: "IPv4 addresses with IPv4Only",
addrs: v4Addrs,
mode: IPv4Only,
},
{
name: "IPv6 addresses with IPv6Only",
addrs: v6Addrs,
mode: IPv6Only,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
rs := makeRegions(tt.addrs, tt.mode)
addr := rs.region1.AssignAnyAddress(0, nil)
rs.region1.AssignAnyAddress(1, nil)
rs.region2.AssignAnyAddress(2, nil)
rs.region2.AssignAnyAddress(3, nil)
rs := makeRegions()
rs.region1.Use(&addr0, 0)
rs.region1.Use(&addr1, 1)
rs.region2.Use(&addr2, 2)
rs.region2.Use(&addr3, 3)
assert.Equal(t, 0, rs.AvailableAddrs())
assert.Equal(t, 0, rs.AvailableAddrs())
rs.GiveBack(addr, false)
assert.Equal(t, addr, rs.GetUnusedAddr(nil, 0))
})
}
rs.GiveBack(&addr0)
assert.Equal(t, &addr0, rs.GetUnusedAddr(nil, 3))
}
func TestRegions_Giveback_Region2(t *testing.T) {
tests := []struct {
name string
addrs []*EdgeAddr
mode ConfigIPVersion
}{
{
name: "IPv4 addresses with IPv4Only",
addrs: v4Addrs,
mode: IPv4Only,
},
{
name: "IPv6 addresses with IPv6Only",
addrs: v6Addrs,
mode: IPv6Only,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
rs := makeRegions(tt.addrs, tt.mode)
rs.region1.AssignAnyAddress(0, nil)
rs.region1.AssignAnyAddress(1, nil)
addr := rs.region2.AssignAnyAddress(2, nil)
rs.region2.AssignAnyAddress(3, nil)
rs := makeRegions()
rs.region1.Use(&addr0, 0)
rs.region1.Use(&addr1, 1)
rs.region2.Use(&addr2, 2)
rs.region2.Use(&addr3, 3)
assert.Equal(t, 0, rs.AvailableAddrs())
assert.Equal(t, 0, rs.AvailableAddrs())
rs.GiveBack(addr, false)
assert.Equal(t, addr, rs.GetUnusedAddr(nil, 2))
})
}
rs.GiveBack(&addr2)
assert.Equal(t, &addr2, rs.GetUnusedAddr(nil, 2))
}
func TestRegions_GetUnusedAddr_OneAddrLeft(t *testing.T) {
tests := []struct {
name string
addrs []*EdgeAddr
mode ConfigIPVersion
}{
{
name: "IPv4 addresses with IPv4Only",
addrs: v4Addrs,
mode: IPv4Only,
},
{
name: "IPv6 addresses with IPv6Only",
addrs: v6Addrs,
mode: IPv6Only,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
rs := makeRegions(tt.addrs, tt.mode)
rs.region1.AssignAnyAddress(0, nil)
rs.region1.AssignAnyAddress(1, nil)
rs.region2.AssignAnyAddress(2, nil)
addr := rs.region2.active.GetUnusedIP(nil)
rs := makeRegions()
assert.Equal(t, 1, rs.AvailableAddrs())
assert.Equal(t, addr, rs.GetUnusedAddr(nil, 3))
})
}
rs.region1.Use(&addr0, 0)
rs.region1.Use(&addr1, 1)
rs.region2.Use(&addr2, 2)
assert.Equal(t, 1, rs.AvailableAddrs())
assert.Equal(t, &addr3, rs.GetUnusedAddr(nil, 3))
}
func TestRegions_GetUnusedAddr_Excluding_Region1(t *testing.T) {
tests := []struct {
name string
addrs []*EdgeAddr
mode ConfigIPVersion
}{
{
name: "IPv4 addresses with IPv4Only",
addrs: v4Addrs,
mode: IPv4Only,
},
{
name: "IPv6 addresses with IPv6Only",
addrs: v6Addrs,
mode: IPv6Only,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
rs := makeRegions(tt.addrs, tt.mode)
rs := makeRegions()
rs.region1.AssignAnyAddress(0, nil)
rs.region1.AssignAnyAddress(1, nil)
addr := rs.region2.active.GetUnusedIP(nil)
a2 := rs.region2.active.GetUnusedIP(addr)
rs.region1.Use(&addr0, 0)
rs.region1.Use(&addr1, 1)
assert.Equal(t, 2, rs.AvailableAddrs())
assert.Equal(t, addr, rs.GetUnusedAddr(a2, 3))
})
}
assert.Equal(t, 2, rs.AvailableAddrs())
assert.Equal(t, &addr3, rs.GetUnusedAddr(&addr2, 3))
}
func TestRegions_GetUnusedAddr_Excluding_Region2(t *testing.T) {
tests := []struct {
name string
addrs []*EdgeAddr
mode ConfigIPVersion
}{
{
name: "IPv4 addresses with IPv4Only",
addrs: v4Addrs,
mode: IPv4Only,
},
{
name: "IPv6 addresses with IPv6Only",
addrs: v6Addrs,
mode: IPv6Only,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
rs := makeRegions(tt.addrs, tt.mode)
rs := makeRegions()
rs.region2.AssignAnyAddress(0, nil)
rs.region2.AssignAnyAddress(1, nil)
addr := rs.region1.active.GetUnusedIP(nil)
a2 := rs.region1.active.GetUnusedIP(addr)
rs.region2.Use(&addr2, 0)
rs.region2.Use(&addr3, 1)
assert.Equal(t, 2, rs.AvailableAddrs())
assert.Equal(t, addr, rs.GetUnusedAddr(a2, 1))
})
}
assert.Equal(t, 2, rs.AvailableAddrs())
assert.Equal(t, &addr1, rs.GetUnusedAddr(&addr0, 1))
}
func TestNewNoResolveBalancesRegions(t *testing.T) {