func (cn CreateSandbox) Execute(context executor.Context) error {
logger := context.Logger().WithData(lager.Data{"sandbox-name": cn.Name})
logger.Info("create-sandbox")
defer logger.Info("create-sandbox-complete")
_, err := context.SandboxRepository().Create(cn.Name)
if err != nil {
return fmt.Errorf("create sandbox: %s", err)
}
return nil
}
func (c CleanupSandbox) Execute(context executor.Context) error {
logger := context.Logger().Session("cleanup-sandbox", lager.Data{"sandbox-name": c.SandboxName})
logger.Info("start")
defer logger.Info("complete")
sandboxRepo := context.SandboxRepository()
sbox, err := sandboxRepo.Get(c.SandboxName)
if err != nil {
if err == sandbox.NotFoundError {
return nil
}
logger.Error("get-sandbox-failed", err)
return fmt.Errorf("get sandbox: %s", err)
}
// TODO: move into sandbox
sbox.Lock()
defer sbox.Unlock()
vethLinkCount, err := sbox.VethDeviceCount()
if err != nil {
return fmt.Errorf("counting veth devices: %s", err)
}
logger.Info("veth-links-remaining", lager.Data{"count": vethLinkCount})
if vethLinkCount == 0 {
err = sbox.Namespace().Execute(func(*os.File) error {
err := context.LinkFactory().DeleteLinkByName(c.VxlanDeviceName)
if err != nil {
if context.LinkFactory().Exists(c.VxlanDeviceName) {
return fmt.Errorf("destroying vxlan %s: %s", c.VxlanDeviceName, err)
}
}
return nil
})
if err != nil {
return fmt.Errorf("in namespace %s: %s", c.SandboxName, err)
}
err = sandboxRepo.Destroy(c.SandboxName)
switch err {
case nil:
case sandbox.AlreadyDestroyedError:
case sandbox.NotFoundError:
default:
return fmt.Errorf("sandbox destroy: %s", err)
}
}
return nil
}
func (s MoveLink) Execute(context executor.Context) error {
sbox, err := context.SandboxRepository().Get(s.SandboxName)
if err != nil {
return fmt.Errorf("get sandbox: %s", err)
}
err = context.LinkFactory().SetNamespace(s.Name, sbox.Namespace().Fd())
if err != nil {
return fmt.Errorf("move link: %s", err)
}
return nil
}
func (sd StartDNSServer) Execute(context executor.Context) error {
listenerFactory := context.ListenerFactory()
listenAddress, err := net.ResolveUDPAddr("udp", sd.ListenAddress)
if err != nil {
return fmt.Errorf("resolve udp address: %s", err)
}
sbox, err := context.SandboxRepository().Get(sd.SandboxName)
if err != nil {
return fmt.Errorf("get sandbox: %s", err)
}
sbox.Lock()
defer sbox.Unlock()
namespace := sbox.Namespace()
var conn *net.UDPConn
err = namespace.Execute(func(*os.File) error {
linkFactory := context.LinkFactory()
err := linkFactory.CreateDummy(DNS_INTERFACE_NAME)
if err != nil {
return fmt.Errorf("create dummy: %s", err)
}
dnsAddress := &net.IPNet{
IP: listenAddress.IP,
Mask: net.CIDRMask(32, 32),
}
err = context.AddressManager().AddAddress(DNS_INTERFACE_NAME, dnsAddress)
if err != nil {
return fmt.Errorf("add address: %s", err)
}
err = linkFactory.SetUp(DNS_INTERFACE_NAME)
if err != nil {
return fmt.Errorf("set up: %s", err)
}
conn, err = listenerFactory.ListenUDP("udp", listenAddress)
if err != nil {
return fmt.Errorf("listen udp: %s", err)
}
return nil
})
if err != nil {
return fmt.Errorf("namespace execute: %s", err)
}
dnsServerRunner := context.DNSServerFactory().New(conn, namespace)
err = sbox.LaunchDNS(dnsServerRunner)
if err != nil {
return fmt.Errorf("sandbox launch dns: %s", err)
}
return nil
}
Describe("RouteManager", func() {
It("returns the route manager", func() {
Expect(context.RouteManager()).To(Equal(routeManager))
})
})
Describe("SandboxNamespaceRepository", func() {
It("returns the SandboxNamespaceRepository", func() {
Expect(context.SandboxNamespaceRepository()).To(Equal(sandboxNamespaceRepository))
})
})
Describe("SandboxRepository", func() {
It("returns the SandboxRepository", func() {
Expect(context.SandboxRepository()).To(Equal(sandboxRepository))
})
})
Describe("ListenerFactory", func() {
It("returns the ListenerFactory", func() {
Expect(context.ListenerFactory()).To(Equal(listenerFactory))
})
})
Describe("DNSServerFactory", func() {
It("returns the DNSServerFactory", func() {
Expect(context.DNSServerFactory()).To(Equal(dnsServerFactory))
})
})
