mirror of
https://github.com/ceph/ceph-csi.git
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b4592a55eb
The address we get from ceph contains the ip in the format of 10.244.0.1:0/2686266785 we need to extract the client IP from this address, we already have a helper to extract it, This makes the helper more generic can be reused by multiple packages in the fence controller. Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
302 lines
7.0 KiB
Go
302 lines
7.0 KiB
Go
/*
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Copyright 2023 The Ceph-CSI Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package networkfence
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import (
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"context"
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"testing"
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"github.com/stretchr/testify/require"
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)
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func TestGetIPRange(t *testing.T) {
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t.Parallel()
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tests := []struct {
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cidr string
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expectedIPs []string
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}{
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{
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cidr: "192.168.1.0/31",
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expectedIPs: []string{"192.168.1.0", "192.168.1.1"},
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},
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{
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cidr: "10.0.0.0/30",
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expectedIPs: []string{"10.0.0.0", "10.0.0.1", "10.0.0.2", "10.0.0.3"},
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},
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{
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cidr: "fd4a:ecbc:cafd:4e49::/127",
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expectedIPs: []string{"fd4a:ecbc:cafd:4e49::", "fd4a:ecbc:cafd:4e49::1"},
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},
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}
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for _, tt := range tests {
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t.Run(tt.cidr, func(t *testing.T) {
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t.Parallel()
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got, err := getIPRange(tt.cidr)
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require.NoError(t, err)
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// validate if number of IPs in the range is same as expected, if not, fail.
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require.ElementsMatch(t, tt.expectedIPs, got)
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})
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}
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}
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func TestFetchIP(t *testing.T) {
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t.Parallel()
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tests := []struct {
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clientInfo string
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expectedIP string
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expectedErr bool
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}{
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{
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clientInfo: "client.4305 172.21.9.34:0/422650892",
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expectedIP: "172.21.9.34",
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expectedErr: false,
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},
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{
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clientInfo: "client.4305 2001:0db8:85a3:0000:0000:8a2e:0370:7334:0/422650892",
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expectedIP: "2001:db8:85a3::8a2e:370:7334",
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expectedErr: false,
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},
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{
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clientInfo: "client.24152 v1:100.64.0.7:0/3658550259",
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expectedIP: "100.64.0.7",
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expectedErr: false,
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},
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{
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clientInfo: "",
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expectedIP: "",
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expectedErr: true,
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},
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}
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for _, tt := range tests {
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t.Run(tt.clientInfo, func(t *testing.T) {
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t.Parallel()
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client := activeClient{Inst: tt.clientInfo}
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ip, actualErr := client.fetchIP()
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if (actualErr != nil) != tt.expectedErr {
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t.Errorf("expected error %v but got %v", tt.expectedErr, actualErr)
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}
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if ip != tt.expectedIP {
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t.Errorf("expected IP %s but got %s", tt.expectedIP, ip)
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}
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})
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}
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}
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func TestFetchID(t *testing.T) {
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t.Parallel()
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tests := []struct {
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clientInfo string
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expectedID int
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expectedErr bool
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}{
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{
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clientInfo: "client.4305 172.21.9.34:0/422650892",
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expectedID: 4305,
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expectedErr: false,
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},
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{
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clientInfo: "",
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expectedID: 0,
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expectedErr: true,
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},
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}
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for _, tt := range tests {
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t.Run(tt.clientInfo, func(t *testing.T) {
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t.Parallel()
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ac := &activeClient{Inst: tt.clientInfo}
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actualID, actualErr := ac.fetchID()
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if (actualErr != nil) != tt.expectedErr {
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t.Errorf("expected error %v but got %v", tt.expectedErr, actualErr)
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}
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if actualID != tt.expectedID {
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t.Errorf("expected ID %d but got %d", tt.expectedID, actualID)
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}
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})
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}
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}
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func TestParseBlocklistEntry(t *testing.T) {
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t.Parallel()
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tests := []struct {
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name string
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input string
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expected IPWithNonce
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}{
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{
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name: "Valid IP and nonce",
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input: "192.168.1.1:6789/abcdef123456",
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expected: IPWithNonce{IP: "192.168.1.1", Nonce: "abcdef123456"},
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},
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{
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name: "IPv6 address with full notation",
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input: "2001:0db8:0000:0000:0000:8a2e:0370:7334:6789/abc123",
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expected: IPWithNonce{IP: "2001:0db8:0000:0000:0000:8a2e:0370:7334", Nonce: "abc123"},
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},
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{
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name: "IPv6 address with compressed zeros",
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input: "2001:db8::1428:57ab:6789/def456",
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expected: IPWithNonce{IP: "2001:db8::1428:57ab", Nonce: "def456"},
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},
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{
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name: "IPv6 loopback address",
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input: "::1:6789/ghi789",
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expected: IPWithNonce{IP: "::1", Nonce: "ghi789"},
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},
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{
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name: "IPv6 address with IPv4 mapping",
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input: "::ffff:192.0.2.128:6789/jkl012",
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expected: IPWithNonce{IP: "::ffff:192.0.2.128", Nonce: "jkl012"},
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},
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{
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name: "IP without port",
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input: "10.0.0.1/nonce123",
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expected: IPWithNonce{},
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},
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{
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name: "Extra whitespace",
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input: " 172.16.0.1:1234/abc123 extra info ",
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expected: IPWithNonce{IP: "172.16.0.1", Nonce: "abc123"},
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},
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}
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nf := &NetworkFence{}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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t.Parallel()
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result := nf.parseBlocklistEntry(tt.input)
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require.Equal(t, tt.expected, result)
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})
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}
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}
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func TestParseBlocklistForCIDR(t *testing.T) {
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t.Parallel()
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testCases := []struct {
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name string
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blocklist string
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cidr string
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expected []IPWithNonce
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}{
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{
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name: "Single IPv4 in CIDR",
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blocklist: `192.168.1.1:0/1234567 expires 2023-07-01 10:00:00.000000
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listed 1 entries`,
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cidr: "192.168.1.0/24",
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expected: []IPWithNonce{{IP: "192.168.1.1", Nonce: "1234567"}},
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},
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{
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name: "Multiple IPv4 in CIDR",
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blocklist: `192.168.1.1:0/1234567 expires 2023-07-01 10:00:00.000000
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192.168.1.2:0/7654321 expires 2023-07-01 11:00:00.000000
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192.168.2.1:0/abcdefg expires 2023-07-01 12:00:00.000000
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listed 3 entries`,
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cidr: "192.168.1.0/24",
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expected: []IPWithNonce{
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{IP: "192.168.1.1", Nonce: "1234567"},
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{IP: "192.168.1.2", Nonce: "7654321"},
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},
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},
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{
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name: "IPv6 in CIDR",
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blocklist: `2001:db8::1:0/fedcba expires 2023-07-01 10:00:00.000000
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2001:db8::2:0/abcdef expires 2023-07-01 11:00:00.000000
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listed 2 entries`,
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cidr: "2001:db8::/64",
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expected: []IPWithNonce{{IP: "2001:db8::1", Nonce: "fedcba"}, {IP: "2001:db8::2", Nonce: "abcdef"}},
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},
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{
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name: "Empty blocklist",
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blocklist: `listed 0 entries`,
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cidr: "192.168.1.0/24",
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expected: []IPWithNonce{},
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},
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{
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name: "No matching IPs",
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blocklist: `10.0.0.1:0/1234567 expires 2023-07-01 10:00:00.000000
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listed 1 entries`,
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cidr: "192.168.1.0/24",
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expected: []IPWithNonce{},
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},
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}
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nf := &NetworkFence{}
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for _, tc := range testCases {
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t.Run(tc.name, func(t *testing.T) {
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t.Parallel()
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result := nf.parseBlocklistForCIDR(context.TODO(), tc.blocklist, tc.cidr)
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require.Equal(t, tc.expected, result)
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})
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}
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}
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func TestParseClientIP(t *testing.T) {
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t.Parallel()
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tests := []struct {
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name string
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addr string
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want string
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wantErr bool
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}{
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{
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name: "IPv4 address",
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addr: "10.244.0.1:0/2686266785",
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want: "10.244.0.1",
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wantErr: false,
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},
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{
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name: "IPv6 address",
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addr: "2001:0db8:85a3:0000:0000:8a2e:0370:7334:0/2686266785",
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want: "2001:db8:85a3::8a2e:370:7334",
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wantErr: false,
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},
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{
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name: "Invalid address",
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addr: "invalid",
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want: "",
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wantErr: true,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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t.Parallel()
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got, err := ParseClientIP(tt.addr)
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if (err != nil) != tt.wantErr {
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t.Errorf("ParseClientIP() error = %v, wantErr %v", err, tt.wantErr)
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}
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if got != tt.want {
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t.Errorf("ParseClientIP() = %v, want %v", got, tt.want)
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}
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})
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}
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}
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