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integration: remove failing resolvconf tests (#2549)
Signed-off-by: Kristoffer Dalby <kristoffer@tailscale.com>
This commit is contained in:
parent
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commit
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1
.github/workflows/test-integration.yaml
vendored
1
.github/workflows/test-integration.yaml
vendored
@ -49,7 +49,6 @@ jobs:
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- TestDERPVerifyEndpoint
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- TestResolveMagicDNS
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- TestResolveMagicDNSExtraRecordsPath
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- TestValidateResolvConf
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- TestDERPServerScenario
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- TestDERPServerWebsocketScenario
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- TestPingAllByIP
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@ -238,166 +238,3 @@ func TestResolveMagicDNSExtraRecordsPath(t *testing.T) {
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assertCommandOutputContains(t, client, []string{"dig", "copy.myvpn.example.com"}, "8.8.8.8")
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}
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}
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// TestValidateResolvConf validates that the resolv.conf file
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// ends up as expected in our Tailscale containers.
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// All the containers are based on Alpine, meaning Tailscale
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// will overwrite the resolv.conf file.
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// On other platform, Tailscale will integrate with a dns manager
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// if available (like systemd-resolved).
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func TestValidateResolvConf(t *testing.T) {
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IntegrationSkip(t)
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resolvconf := func(conf string) string {
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return strings.ReplaceAll(`# resolv.conf(5) file generated by tailscale
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# For more info, see https://tailscale.com/s/resolvconf-overwrite
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# DO NOT EDIT THIS FILE BY HAND -- CHANGES WILL BE OVERWRITTEN
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`+conf, "\t", "")
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}
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tests := []struct {
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name string
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conf map[string]string
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wantConfCompareFunc func(*testing.T, string)
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}{
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// New config
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{
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name: "no-config",
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conf: map[string]string{
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"HEADSCALE_DNS_BASE_DOMAIN": "",
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"HEADSCALE_DNS_MAGIC_DNS": "false",
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"HEADSCALE_DNS_NAMESERVERS_GLOBAL": "",
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},
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wantConfCompareFunc: func(t *testing.T, got string) {
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assert.Contains(t, got, "Generated by Docker Engine")
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},
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},
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{
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name: "global-only",
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conf: map[string]string{
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"HEADSCALE_DNS_BASE_DOMAIN": "",
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"HEADSCALE_DNS_MAGIC_DNS": "false",
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"HEADSCALE_DNS_NAMESERVERS_GLOBAL": "8.8.8.8 1.1.1.1",
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},
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wantConfCompareFunc: func(t *testing.T, got string) {
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want := resolvconf(`
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nameserver 100.100.100.100
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`)
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assert.Equal(t, want, got)
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},
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},
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{
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name: "base-integration-config",
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conf: map[string]string{
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"HEADSCALE_DNS_BASE_DOMAIN": "very-unique-domain.net",
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},
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wantConfCompareFunc: func(t *testing.T, got string) {
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want := resolvconf(`
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nameserver 100.100.100.100
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search very-unique-domain.net
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`)
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assert.Equal(t, want, got)
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},
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},
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{
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name: "base-magic-dns-off",
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conf: map[string]string{
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"HEADSCALE_DNS_MAGIC_DNS": "false",
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"HEADSCALE_DNS_BASE_DOMAIN": "very-unique-domain.net",
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},
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wantConfCompareFunc: func(t *testing.T, got string) {
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want := resolvconf(`
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nameserver 100.100.100.100
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search very-unique-domain.net
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`)
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assert.Equal(t, want, got)
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},
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},
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{
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name: "base-extra-search-domains",
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conf: map[string]string{
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"HEADSCALE_DNS_SEARCH_DOMAINS": "test1.no test2.no",
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"HEADSCALE_DNS_BASE_DOMAIN": "with-local-dns.net",
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},
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wantConfCompareFunc: func(t *testing.T, got string) {
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want := resolvconf(`
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nameserver 100.100.100.100
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search with-local-dns.net test1.no test2.no
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`)
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assert.Equal(t, want, got)
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},
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},
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{
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name: "base-nameservers-split",
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conf: map[string]string{
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"HEADSCALE_DNS_NAMESERVERS_SPLIT": `{foo.bar.com: ["1.1.1.1"]}`,
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"HEADSCALE_DNS_BASE_DOMAIN": "with-local-dns.net",
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},
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wantConfCompareFunc: func(t *testing.T, got string) {
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want := resolvconf(`
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nameserver 100.100.100.100
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search with-local-dns.net
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`)
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assert.Equal(t, want, got)
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},
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},
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{
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name: "base-full-no-magic",
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conf: map[string]string{
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"HEADSCALE_DNS_MAGIC_DNS": "false",
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"HEADSCALE_DNS_BASE_DOMAIN": "all-of.it",
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"HEADSCALE_DNS_NAMESERVERS_GLOBAL": `8.8.8.8`,
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"HEADSCALE_DNS_SEARCH_DOMAINS": "test1.no test2.no",
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// TODO(kradalby): this currently isn't working, need to fix it
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// "HEADSCALE_DNS_NAMESERVERS_SPLIT": `{foo.bar.com: ["1.1.1.1"]}`,
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// "HEADSCALE_DNS_EXTRA_RECORDS": `[{ name: "prometheus.myvpn.example.com", type: "A", value: "100.64.0.4" }]`,
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},
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wantConfCompareFunc: func(t *testing.T, got string) {
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want := resolvconf(`
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nameserver 100.100.100.100
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search all-of.it test1.no test2.no
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`)
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assert.Equal(t, want, got)
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},
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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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spec := ScenarioSpec{
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NodesPerUser: 3,
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Users: []string{"user1", "user2"},
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}
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scenario, err := NewScenario(spec)
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assertNoErr(t, err)
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defer scenario.ShutdownAssertNoPanics(t)
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err = scenario.CreateHeadscaleEnv([]tsic.Option{}, hsic.WithTestName("resolvconf"), hsic.WithConfigEnv(tt.conf))
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assertNoErrHeadscaleEnv(t, err)
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allClients, err := scenario.ListTailscaleClients()
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assertNoErrListClients(t, err)
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err = scenario.WaitForTailscaleSync()
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assertNoErrSync(t, err)
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// Poor mans cache
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_, err = scenario.ListTailscaleClientsFQDNs()
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assertNoErrListFQDN(t, err)
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_, err = scenario.ListTailscaleClientsIPs()
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assertNoErrListClientIPs(t, err)
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time.Sleep(30 * time.Second)
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for _, client := range allClients {
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b, err := client.ReadFile("/etc/resolv.conf")
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assertNoErr(t, err)
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t.Logf("comparing resolv conf of %s", client.Hostname())
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tt.wantConfCompareFunc(t, string(b))
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}
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})
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}
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}
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