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integration: remove failing resolvconf tests (#2549)

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Signed-off-by: Kristoffer Dalby <kristoffer@tailscale.com>
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Kristoffer Dalby 2025-04-30 08:52:23 +03:00 committed by GitHub
parent 2b38f7bef7
commit 57861507ab
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2 changed files with 0 additions and 164 deletions
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1
.github/workflows/test-integration.yaml vendored
View File

@ -49,7 +49,6 @@ jobs:
- TestDERPVerifyEndpoint
- TestResolveMagicDNS
- TestResolveMagicDNSExtraRecordsPath
- TestValidateResolvConf
- TestDERPServerScenario
- TestDERPServerWebsocketScenario
- TestPingAllByIP

163
integration/dns_test.go
View File

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