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a0a473125b
After moving libnetwork to this repo, we need to update all the import paths for libnetwork to point to docker/docker/libnetwork instead of docker/libnetwork. This change implements that. Signed-off-by: Brian Goff <cpuguy83@gmail.com>
118 lines
3.6 KiB
Go
118 lines
3.6 KiB
Go
package ipamutils
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import (
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"net"
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"testing"
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_ "github.com/docker/docker/libnetwork/testutils"
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"gotest.tools/v3/assert"
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is "gotest.tools/v3/assert/cmp"
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)
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func initBroadPredefinedNetworks() []*net.IPNet {
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pl := make([]*net.IPNet, 0, 31)
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mask := []byte{255, 255, 0, 0}
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for i := 17; i < 32; i++ {
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pl = append(pl, &net.IPNet{IP: []byte{172, byte(i), 0, 0}, Mask: mask})
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}
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mask20 := []byte{255, 255, 240, 0}
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for i := 0; i < 16; i++ {
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pl = append(pl, &net.IPNet{IP: []byte{192, 168, byte(i << 4), 0}, Mask: mask20})
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}
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return pl
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}
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func initGranularPredefinedNetworks() []*net.IPNet {
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pl := make([]*net.IPNet, 0, 256*256)
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mask := []byte{255, 255, 255, 0}
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for i := 0; i < 256; i++ {
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for j := 0; j < 256; j++ {
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pl = append(pl, &net.IPNet{IP: []byte{10, byte(i), byte(j), 0}, Mask: mask})
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}
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}
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return pl
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}
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func initGlobalScopeNetworks() []*net.IPNet {
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pl := make([]*net.IPNet, 0, 256*256)
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mask := []byte{255, 255, 255, 0}
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for i := 0; i < 256; i++ {
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for j := 0; j < 256; j++ {
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pl = append(pl, &net.IPNet{IP: []byte{30, byte(i), byte(j), 0}, Mask: mask})
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}
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}
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return pl
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}
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func TestDefaultNetwork(t *testing.T) {
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for _, nw := range PredefinedGlobalScopeDefaultNetworks {
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if ones, bits := nw.Mask.Size(); bits != 32 || ones != 24 {
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t.Fatalf("Unexpected size for network in granular list: %v", nw)
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}
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}
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for _, nw := range PredefinedLocalScopeDefaultNetworks {
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if ones, bits := nw.Mask.Size(); bits != 32 || (ones != 20 && ones != 16) {
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t.Fatalf("Unexpected size for network in broad list: %v", nw)
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}
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}
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originalBroadNets := initBroadPredefinedNetworks()
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m := make(map[string]bool)
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for _, v := range originalBroadNets {
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m[v.String()] = true
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}
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for _, nw := range PredefinedLocalScopeDefaultNetworks {
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_, ok := m[nw.String()]
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assert.Check(t, ok)
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delete(m, nw.String())
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}
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assert.Check(t, is.Len(m, 0))
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originalGranularNets := initGranularPredefinedNetworks()
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m = make(map[string]bool)
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for _, v := range originalGranularNets {
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m[v.String()] = true
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}
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for _, nw := range PredefinedGlobalScopeDefaultNetworks {
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_, ok := m[nw.String()]
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assert.Check(t, ok)
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delete(m, nw.String())
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}
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assert.Check(t, is.Len(m, 0))
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}
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func TestConfigGlobalScopeDefaultNetworks(t *testing.T) {
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err := ConfigGlobalScopeDefaultNetworks([]*NetworkToSplit{{"30.0.0.0/8", 24}})
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assert.NilError(t, err)
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originalGlobalScopeNetworks := initGlobalScopeNetworks()
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m := make(map[string]bool)
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for _, v := range originalGlobalScopeNetworks {
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m[v.String()] = true
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}
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for _, nw := range PredefinedGlobalScopeDefaultNetworks {
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_, ok := m[nw.String()]
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assert.Check(t, ok)
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delete(m, nw.String())
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}
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assert.Check(t, is.Len(m, 0))
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}
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func TestInitAddressPools(t *testing.T) {
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err := ConfigLocalScopeDefaultNetworks([]*NetworkToSplit{{"172.80.0.0/16", 24}, {"172.90.0.0/16", 24}})
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assert.NilError(t, err)
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// Check for Random IPAddresses in PredefinedLocalScopeDefaultNetworks ex: first , last and middle
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assert.Check(t, is.Len(PredefinedLocalScopeDefaultNetworks, 512), "Failed to find PredefinedLocalScopeDefaultNetworks")
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assert.Check(t, is.Equal(PredefinedLocalScopeDefaultNetworks[0].String(), "172.80.0.0/24"))
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assert.Check(t, is.Equal(PredefinedLocalScopeDefaultNetworks[127].String(), "172.80.127.0/24"))
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assert.Check(t, is.Equal(PredefinedLocalScopeDefaultNetworks[255].String(), "172.80.255.0/24"))
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assert.Check(t, is.Equal(PredefinedLocalScopeDefaultNetworks[256].String(), "172.90.0.0/24"))
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assert.Check(t, is.Equal(PredefinedLocalScopeDefaultNetworks[383].String(), "172.90.127.0/24"))
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assert.Check(t, is.Equal(PredefinedLocalScopeDefaultNetworks[511].String(), "172.90.255.0/24"))
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}
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