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5a658d4cc1
Setting ndots to 0 does not allow to resolve search domains The default will remain ndots:0 that will directly resolve services, but if the user specify a different ndots value just propagate it into the container Signed-off-by: Flavio Crisciani <flavio.crisciani@docker.com>
84 lines
3 KiB
Go
84 lines
3 KiB
Go
package libnetwork
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import (
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"net"
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"testing"
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"github.com/docker/libnetwork/resolvconf"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func TestCleanupServiceDiscovery(t *testing.T) {
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c, err := New()
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require.NoError(t, err)
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defer c.Stop()
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n1, err := c.NewNetwork("bridge", "net1", "", nil)
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require.NoError(t, err)
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defer n1.Delete()
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n2, err := c.NewNetwork("bridge", "net2", "", nil)
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require.NoError(t, err)
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defer n2.Delete()
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n1.(*network).addSvcRecords("N1ep1", "service_test", "serviceID1", net.ParseIP("192.168.0.1"), net.IP{}, true, "test")
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n1.(*network).addSvcRecords("N2ep2", "service_test", "serviceID2", net.ParseIP("192.168.0.2"), net.IP{}, true, "test")
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n2.(*network).addSvcRecords("N2ep1", "service_test", "serviceID1", net.ParseIP("192.168.1.1"), net.IP{}, true, "test")
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n2.(*network).addSvcRecords("N2ep2", "service_test", "serviceID2", net.ParseIP("192.168.1.2"), net.IP{}, true, "test")
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if len(c.(*controller).svcRecords) != 2 {
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t.Fatalf("Service record not added correctly:%v", c.(*controller).svcRecords)
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}
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// cleanup net1
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c.(*controller).cleanupServiceDiscovery(n1.ID())
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if len(c.(*controller).svcRecords) != 1 {
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t.Fatalf("Service record not cleaned correctly:%v", c.(*controller).svcRecords)
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}
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c.(*controller).cleanupServiceDiscovery("")
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if len(c.(*controller).svcRecords) != 0 {
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t.Fatalf("Service record not cleaned correctly:%v", c.(*controller).svcRecords)
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}
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}
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func TestDNSOptions(t *testing.T) {
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c, err := New()
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require.NoError(t, err)
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sb, err := c.(*controller).NewSandbox("cnt1", nil)
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require.NoError(t, err)
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defer sb.Delete()
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sb.(*sandbox).startResolver(false)
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err = sb.(*sandbox).setupDNS()
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require.NoError(t, err)
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err = sb.(*sandbox).rebuildDNS()
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require.NoError(t, err)
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currRC, err := resolvconf.GetSpecific(sb.(*sandbox).config.resolvConfPath)
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require.NoError(t, err)
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dnsOptionsList := resolvconf.GetOptions(currRC.Content)
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assert.Equal(t, 1, len(dnsOptionsList), "There should be only 1 option instead:", dnsOptionsList)
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assert.Equal(t, "ndots:0", dnsOptionsList[0], "The option must be ndots:0 instead:", dnsOptionsList[0])
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sb.(*sandbox).config.dnsOptionsList = []string{"ndots:5"}
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err = sb.(*sandbox).setupDNS()
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require.NoError(t, err)
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currRC, err = resolvconf.GetSpecific(sb.(*sandbox).config.resolvConfPath)
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require.NoError(t, err)
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dnsOptionsList = resolvconf.GetOptions(currRC.Content)
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assert.Equal(t, 1, len(dnsOptionsList), "There should be only 1 option instead:", dnsOptionsList)
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assert.Equal(t, "ndots:5", dnsOptionsList[0], "The option must be ndots:5 instead:", dnsOptionsList[0])
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err = sb.(*sandbox).rebuildDNS()
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require.NoError(t, err)
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currRC, err = resolvconf.GetSpecific(sb.(*sandbox).config.resolvConfPath)
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require.NoError(t, err)
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dnsOptionsList = resolvconf.GetOptions(currRC.Content)
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assert.Equal(t, 1, len(dnsOptionsList), "There should be only 1 option instead:", dnsOptionsList)
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assert.Equal(t, "ndots:5", dnsOptionsList[0], "The option must be ndots:5 instead:", dnsOptionsList[0])
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}
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