Function TestValidateIPAM

daemon/network_test.go:12–108

(t *testing.T)

)

func TestValidateIPAM(t *testing.T) {
	tests := []struct {
		name           string
		ipam           []network.IPAMConfig
		ipv6           bool
		expectedErrors []string
	}{
		{
			name: "IP version mismatch",
			ipam: []network.IPAMConfig{{
				Subnet:     netip.MustParsePrefix("10.10.10.0/24"),
				IPRange:    netip.MustParsePrefix("2001:db8::/32"),
				Gateway:    netip.MustParseAddr("2001:db8::1"),
				AuxAddress: map[string]netip.Addr{"DefaultGatewayIPv4": netip.MustParseAddr("2001:db8::1")},
			}},
			expectedErrors: []string{
				"invalid ip-range 2001:db8::/32: parent subnet is an IPv4 block",
				"invalid gateway 2001:db8::1: parent subnet is an IPv4 block",
				"invalid auxiliary address DefaultGatewayIPv4: parent subnet is an IPv4 block",
			},
		},
		{
			// Regression test for https://github.com/moby/moby/issues/47202
			name: "IPv6 subnet is discarded with no error when IPv6 is disabled",
			ipam: []network.IPAMConfig{{Subnet: netip.MustParsePrefix("2001:db8::/32")}},
			ipv6: false,
		},
		{
			name: "IPRange bigger than its subnet",
			ipam: []network.IPAMConfig{
				{Subnet: netip.MustParsePrefix("10.10.10.0/24"), IPRange: netip.MustParsePrefix("10.0.0.0/8")},
			},
			expectedErrors: []string{
				"invalid ip-range 10.0.0.0/8: CIDR block is bigger than its parent subnet 10.10.10.0/24",
			},
		},
		{
			name: "Out of range prefix & addresses",
			ipam: []network.IPAMConfig{{
				Subnet:     netip.MustParsePrefix("10.0.0.0/8"),
				IPRange:    netip.MustParsePrefix("192.168.0.1/24"),
				Gateway:    netip.MustParseAddr("192.168.0.1"),
				AuxAddress: map[string]netip.Addr{"DefaultGatewayIPv4": netip.MustParseAddr("192.168.0.1")},
			}},
			expectedErrors: []string{
				"invalid ip-range 192.168.0.1/24: it should be 192.168.0.0/24",
				"invalid ip-range 192.168.0.1/24: parent subnet 10.0.0.0/8 doesn't contain ip-range",
				"invalid gateway 192.168.0.1: parent subnet 10.0.0.0/8 doesn't contain this address",
				"invalid auxiliary address DefaultGatewayIPv4: parent subnet 10.0.0.0/8 doesn't contain this address",
			},
		},
		{
			name: "Subnet with host fragment set",
			ipam: []network.IPAMConfig{{
				Subnet: netip.MustParsePrefix("10.10.10.0/8"),
			}},
			expectedErrors: []string{"invalid subnet 10.10.10.0/8: it should be 10.0.0.0/8"},
		},