mirror of https://github.com/k3s-io/k3s.git
84 lines
2.5 KiB
Go
84 lines
2.5 KiB
Go
package flannel
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import (
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"io/ioutil"
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"net"
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"regexp"
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"strings"
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"testing"
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"github.com/k3s-io/k3s/pkg/daemons/config"
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)
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func stringToCIDR(s string) []*net.IPNet {
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var netCidrs []*net.IPNet
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for _, v := range strings.Split(s, ",") {
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_, parsed, _ := net.ParseCIDR(v)
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netCidrs = append(netCidrs, parsed)
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}
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return netCidrs
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}
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func Test_findNetMode(t *testing.T) {
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tests := []struct {
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name string
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args string
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want int
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wantErr bool
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}{
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{"dual-stack", "10.42.0.0/16,2001:cafe:22::/56", ipv4 + ipv6, false},
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{"ipv4 only", "10.42.0.0/16", ipv4, false},
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{"ipv6 only", "2001:cafe:42:0::/56", ipv6, false},
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{"wrong input", "wrong", 0, true},
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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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netCidrs := stringToCIDR(tt.args)
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got, err := findNetMode(netCidrs)
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if (err != nil) != tt.wantErr {
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t.Errorf("findNetMode() error = %v, wantErr %v", err, tt.wantErr)
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return
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}
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if got != tt.want {
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t.Errorf("findNetMode() = %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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func Test_createFlannelConf(t *testing.T) {
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tests := []struct {
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name string
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args string
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wantConfig []string
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wantErr bool
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}{
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{"dual-stack", "10.42.0.0/16,2001:cafe:22::/56", []string{"\"Network\": \"10.42.0.0/16\"", "\"IPv6Network\": \"2001:cafe:22::/56\"", "\"EnableIPv6\": true"}, false},
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{"ipv4 only", "10.42.0.0/16", []string{"\"Network\": \"10.42.0.0/16\"", "\"IPv6Network\": \"::/0\"", "\"EnableIPv6\": false"}, false},
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}
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var containerd = config.Containerd{}
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for _, tt := range tests {
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var agent = config.Agent{}
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agent.ClusterCIDR = stringToCIDR(tt.args)[0]
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agent.ClusterCIDRs = stringToCIDR(tt.args)
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var nodeConfig = &config.Node{Docker: false, ContainerRuntimeEndpoint: "", NoFlannel: false, SELinux: false, FlannelBackend: "vxlan", FlannelConfFile: "test_file", FlannelConfOverride: false, FlannelIface: nil, Containerd: containerd, Images: "", AgentConfig: agent, Token: "", Certificate: nil, ServerHTTPSPort: 0}
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t.Run(tt.name, func(t *testing.T) {
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if err := createFlannelConf(nodeConfig); (err != nil) != tt.wantErr {
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t.Errorf("createFlannelConf() error = %v, wantErr %v", err, tt.wantErr)
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}
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data, err := ioutil.ReadFile("test_file")
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if err != nil {
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t.Errorf("Something went wrong when reading the flannel config file")
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}
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for _, config := range tt.wantConfig {
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isExist, _ := regexp.Match(config, data)
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if !isExist {
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t.Errorf("Config is wrong, %s is not present", config)
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}
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}
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})
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}
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}
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