|
| 1 | +package main |
| 2 | + |
| 3 | +import ( |
| 4 | + "flag" |
| 5 | + "testing" |
| 6 | + |
| 7 | + "github.com/k0sproject/k0s/pkg/apis/k0s/v1beta1" |
| 8 | + "github.com/stretchr/testify/require" |
| 9 | + "github.com/urfave/cli/v2" |
| 10 | +) |
| 11 | + |
| 12 | +func Test_getCIDRs(t *testing.T) { |
| 13 | + tests := []struct { |
| 14 | + name string |
| 15 | + buildCliContext func(*flag.FlagSet) *cli.Context |
| 16 | + expected []string |
| 17 | + }{ |
| 18 | + { |
| 19 | + name: "with pod and service flags", |
| 20 | + expected: []string{ |
| 21 | + "10.0.0.0/24", |
| 22 | + "10.1.0.0/24", |
| 23 | + "", |
| 24 | + }, |
| 25 | + buildCliContext: func(flagSet *flag.FlagSet) *cli.Context { |
| 26 | + c := cli.NewContext(cli.NewApp(), flagSet, nil) |
| 27 | + c.Set("pod-cidr", "10.0.0.0/24") |
| 28 | + c.Set("service-cidr", "10.1.0.0/24") |
| 29 | + return c |
| 30 | + }, |
| 31 | + }, |
| 32 | + { |
| 33 | + name: "with pod flag", |
| 34 | + expected: []string{ |
| 35 | + "10.0.0.0/24", |
| 36 | + v1beta1.DefaultNetwork().ServiceCIDR, |
| 37 | + "", |
| 38 | + }, |
| 39 | + buildCliContext: func(flagSet *flag.FlagSet) *cli.Context { |
| 40 | + c := cli.NewContext(cli.NewApp(), flagSet, nil) |
| 41 | + c.Set("pod-cidr", "10.0.0.0/24") |
| 42 | + return c |
| 43 | + }, |
| 44 | + }, |
| 45 | + { |
| 46 | + name: "with pod, service and cidr flags", |
| 47 | + expected: []string{ |
| 48 | + "10.0.0.0/24", |
| 49 | + "10.1.0.0/24", |
| 50 | + "", |
| 51 | + }, |
| 52 | + buildCliContext: func(flagSet *flag.FlagSet) *cli.Context { |
| 53 | + c := cli.NewContext(cli.NewApp(), flagSet, nil) |
| 54 | + c.Set("pod-cidr", "10.0.0.0/24") |
| 55 | + c.Set("service-cidr", "10.1.0.0/24") |
| 56 | + c.Set("cidr", "10.2.0.0/24") |
| 57 | + return c |
| 58 | + }, |
| 59 | + }, |
| 60 | + { |
| 61 | + name: "with pod and cidr flags", |
| 62 | + expected: []string{ |
| 63 | + "10.0.0.0/24", |
| 64 | + v1beta1.DefaultNetwork().ServiceCIDR, |
| 65 | + "", |
| 66 | + }, |
| 67 | + buildCliContext: func(flagSet *flag.FlagSet) *cli.Context { |
| 68 | + c := cli.NewContext(cli.NewApp(), flagSet, nil) |
| 69 | + c.Set("pod-cidr", "10.0.0.0/24") |
| 70 | + c.Set("cidr", "10.2.0.0/24") |
| 71 | + return c |
| 72 | + }, |
| 73 | + }, |
| 74 | + { |
| 75 | + name: "with cidr flag", |
| 76 | + expected: []string{ |
| 77 | + "", |
| 78 | + "", |
| 79 | + "10.2.0.0/24", |
| 80 | + }, |
| 81 | + buildCliContext: func(flagSet *flag.FlagSet) *cli.Context { |
| 82 | + c := cli.NewContext(cli.NewApp(), flagSet, nil) |
| 83 | + c.Set("cidr", "10.2.0.0/24") |
| 84 | + return c |
| 85 | + }, |
| 86 | + }, |
| 87 | + } |
| 88 | + |
| 89 | + for _, test := range tests { |
| 90 | + t.Run(test.name, func(t *testing.T) { |
| 91 | + req := require.New(t) |
| 92 | + |
| 93 | + flagSet := flag.NewFlagSet(t.Name(), 0) |
| 94 | + flags := withSubnetCIDRFlags([]cli.Flag{}) |
| 95 | + for _, f := range flags { |
| 96 | + err := f.Apply(flagSet) |
| 97 | + req.NoError(err) |
| 98 | + } |
| 99 | + |
| 100 | + cc := test.buildCliContext(flagSet) |
| 101 | + podCIDR, serviceCIDR, CIDR := getCIDRs(cc) |
| 102 | + req.Equal(test.expected[0], podCIDR) |
| 103 | + req.Equal(test.expected[1], serviceCIDR) |
| 104 | + req.Equal(test.expected[2], CIDR) |
| 105 | + }) |
| 106 | + } |
| 107 | +} |
| 108 | + |
| 109 | +func Test_DeterminePodAndServiceCIDRs(t *testing.T) { |
| 110 | + |
| 111 | + tests := []struct { |
| 112 | + name string |
| 113 | + buildCliContext func(*flag.FlagSet) *cli.Context |
| 114 | + expected []string |
| 115 | + }{ |
| 116 | + { |
| 117 | + name: "with pod flag", |
| 118 | + expected: []string{ |
| 119 | + "10.0.0.0/16", |
| 120 | + v1beta1.DefaultNetwork().ServiceCIDR, |
| 121 | + }, |
| 122 | + buildCliContext: func(flagSet *flag.FlagSet) *cli.Context { |
| 123 | + c := cli.NewContext(cli.NewApp(), flagSet, nil) |
| 124 | + c.Set("pod-cidr", "10.0.0.0/16") |
| 125 | + return c |
| 126 | + }, |
| 127 | + }, |
| 128 | + { |
| 129 | + name: "with service flag", |
| 130 | + expected: []string{ |
| 131 | + v1beta1.DefaultNetwork().PodCIDR, |
| 132 | + "10.1.0.0/16", |
| 133 | + }, |
| 134 | + buildCliContext: func(flagSet *flag.FlagSet) *cli.Context { |
| 135 | + c := cli.NewContext(cli.NewApp(), flagSet, nil) |
| 136 | + c.Set("service-cidr", "10.1.0.0/16") |
| 137 | + return c |
| 138 | + }, |
| 139 | + }, |
| 140 | + { |
| 141 | + name: "with cidr flag", |
| 142 | + expected: []string{ |
| 143 | + "10.0.0.0/16", |
| 144 | + "10.1.0.0/16", |
| 145 | + }, |
| 146 | + buildCliContext: func(flagSet *flag.FlagSet) *cli.Context { |
| 147 | + c := cli.NewContext(cli.NewApp(), flagSet, nil) |
| 148 | + c.Set("cidr", "10.0.0.0/15") |
| 149 | + return c |
| 150 | + }, |
| 151 | + }, |
| 152 | + } |
| 153 | + |
| 154 | + for _, test := range tests { |
| 155 | + t.Run(test.name, func(t *testing.T) { |
| 156 | + req := require.New(t) |
| 157 | + |
| 158 | + flagSet := flag.NewFlagSet(t.Name(), 0) |
| 159 | + flags := withSubnetCIDRFlags([]cli.Flag{}) |
| 160 | + for _, f := range flags { |
| 161 | + err := f.Apply(flagSet) |
| 162 | + req.NoError(err) |
| 163 | + } |
| 164 | + |
| 165 | + cc := test.buildCliContext(flagSet) |
| 166 | + podCIDR, serviceCIDR, err := DeterminePodAndServiceCIDRs(cc) |
| 167 | + req.NoError(err) |
| 168 | + req.Equal(test.expected[0], podCIDR) |
| 169 | + req.Equal(test.expected[1], serviceCIDR) |
| 170 | + }) |
| 171 | + } |
| 172 | +} |
0 commit comments