func NewDefaultConfigurer(ipt *iptables.IPTablesController) kawasaki.Configurer {
resolvConfigurer := &kawasaki.ResolvConfigurer{
HostsFileCompiler: &dns.HostsFileCompiler{},
ResolvFileCompiler: &dns.ResolvFileCompiler{},
FileWriter: &dns.RootfsWriter{},
IDMapReader: &kawasaki.RootIdMapReader{},
}
hostConfigurer := &configure.Host{
Veth: &devices.VethCreator{},
Link: &devices.Link{},
Bridge: &devices.Bridge{},
FileOpener: netns.Opener(os.Open),
}
containerConfigurer := &configure.Container{
FileOpener: netns.Opener(os.Open),
}
return kawasaki.NewConfigurer(
resolvConfigurer,
hostConfigurer,
containerConfigurer,
iptables.NewInstanceChainCreator(ipt),
)
}
BeforeEach(func() {
fakeDnsResolvConfigurer = new(fakes.FakeDnsResolvConfigurer)
fakeHostConfigurer = new(fakes.FakeHostConfigurer)
fakeContainerConfigurer = new(fakes.FakeContainerConfigurer)
fakeInstanceChainCreator = new(fakes.FakeInstanceChainCreator)
var err error
netnsFD, err = ioutil.TempFile("", "")
Expect(err).NotTo(HaveOccurred())
dummyFileOpener = func(path string) (*os.File, error) {
return netnsFD, nil
}
configurer = kawasaki.NewConfigurer(fakeDnsResolvConfigurer, fakeHostConfigurer, fakeContainerConfigurer, fakeInstanceChainCreator)
logger = lagertest.NewTestLogger("test")
})
AfterEach(func() {
Expect(os.Remove(netnsFD.Name())).To(Succeed())
})
Describe("Apply", func() {
It("configures dns", func() {
Expect(configurer.Apply(logger, kawasaki.NetworkConfig{ContainerHandle: "h"}, 42)).To(Succeed())
Expect(fakeDnsResolvConfigurer.ConfigureCallCount()).To(Equal(1))
_, cfg, pid := fakeDnsResolvConfigurer.ConfigureArgsForCall(0)
Expect(cfg).To(Equal(kawasaki.NetworkConfig{ContainerHandle: "h"}))
Expect(pid).To(Equal(42))