mirror of
https://github.com/moby/moby.git
synced 2026-01-11 18:51:37 +00:00
94 lines
2.8 KiB
Go
94 lines
2.8 KiB
Go
//go:build !windows
|
|
|
|
package libnetwork
|
|
|
|
import (
|
|
"context"
|
|
"testing"
|
|
|
|
"github.com/docker/docker/libnetwork/config"
|
|
"github.com/docker/docker/libnetwork/resolvconf"
|
|
"gotest.tools/v3/assert"
|
|
is "gotest.tools/v3/assert/cmp"
|
|
)
|
|
|
|
func TestDNSOptions(t *testing.T) {
|
|
c, err := New(context.Background(), config.OptionDataDir(t.TempDir()))
|
|
assert.NilError(t, err)
|
|
|
|
sb, err := c.NewSandbox(context.Background(), "cnt1", nil)
|
|
assert.NilError(t, err)
|
|
|
|
cleanup := func(s *Sandbox) {
|
|
if err := s.Delete(context.Background()); err != nil {
|
|
t.Error(err)
|
|
}
|
|
}
|
|
|
|
defer cleanup(sb)
|
|
sb.startResolver(false)
|
|
|
|
err = sb.setupDNS()
|
|
assert.NilError(t, err)
|
|
err = sb.rebuildDNS()
|
|
assert.NilError(t, err)
|
|
currRC, err := resolvconf.GetSpecific(sb.config.resolvConfPath)
|
|
assert.NilError(t, err)
|
|
dnsOptionsList := resolvconf.GetOptions(currRC.Content)
|
|
assert.Check(t, is.Len(dnsOptionsList, 1))
|
|
assert.Check(t, is.Equal("ndots:0", dnsOptionsList[0]))
|
|
|
|
sb.config.dnsOptionsList = []string{"ndots:5"}
|
|
err = sb.setupDNS()
|
|
assert.NilError(t, err)
|
|
currRC, err = resolvconf.GetSpecific(sb.config.resolvConfPath)
|
|
assert.NilError(t, err)
|
|
dnsOptionsList = resolvconf.GetOptions(currRC.Content)
|
|
assert.Check(t, is.Len(dnsOptionsList, 1))
|
|
assert.Check(t, is.Equal("ndots:5", dnsOptionsList[0]))
|
|
|
|
err = sb.rebuildDNS()
|
|
assert.NilError(t, err)
|
|
currRC, err = resolvconf.GetSpecific(sb.config.resolvConfPath)
|
|
assert.NilError(t, err)
|
|
dnsOptionsList = resolvconf.GetOptions(currRC.Content)
|
|
assert.Check(t, is.Len(dnsOptionsList, 1))
|
|
assert.Check(t, is.Equal("ndots:5", dnsOptionsList[0]))
|
|
|
|
sb2, err := c.NewSandbox(context.Background(), "cnt2", nil)
|
|
assert.NilError(t, err)
|
|
defer cleanup(sb2)
|
|
sb2.startResolver(false)
|
|
|
|
sb2.config.dnsOptionsList = []string{"ndots:0"}
|
|
err = sb2.setupDNS()
|
|
assert.NilError(t, err)
|
|
err = sb2.rebuildDNS()
|
|
assert.NilError(t, err)
|
|
currRC, err = resolvconf.GetSpecific(sb2.config.resolvConfPath)
|
|
assert.NilError(t, err)
|
|
dnsOptionsList = resolvconf.GetOptions(currRC.Content)
|
|
assert.Check(t, is.Len(dnsOptionsList, 1))
|
|
assert.Check(t, is.Equal("ndots:0", dnsOptionsList[0]))
|
|
|
|
sb2.config.dnsOptionsList = []string{"ndots:foobar"}
|
|
err = sb2.setupDNS()
|
|
assert.NilError(t, err)
|
|
err = sb2.rebuildDNS()
|
|
assert.NilError(t, err)
|
|
currRC, err = resolvconf.GetSpecific(sb2.config.resolvConfPath)
|
|
assert.NilError(t, err)
|
|
dnsOptionsList = resolvconf.GetOptions(currRC.Content)
|
|
assert.Check(t, is.DeepEqual([]string{"ndots:0"}, dnsOptionsList))
|
|
|
|
sb2.config.dnsOptionsList = []string{"ndots:-1"}
|
|
err = sb2.setupDNS()
|
|
assert.NilError(t, err)
|
|
err = sb2.rebuildDNS()
|
|
assert.NilError(t, err)
|
|
currRC, err = resolvconf.GetSpecific(sb2.config.resolvConfPath)
|
|
assert.NilError(t, err)
|
|
dnsOptionsList = resolvconf.GetOptions(currRC.Content)
|
|
assert.Check(t, is.DeepEqual([]string{"ndots:0"}, dnsOptionsList))
|
|
}
|