func (b *CommandBuilder) SetupVeth(
containerNS namespace.Namespace,
sandboxLinkName string,
containerLinkName string,
address net.IPNet,
sandboxName string,
routeCommand executor.Command,
) executor.Command {
return commands.InNamespace{
Namespace: containerNS,
Command: commands.Group(
append(
[]executor.Command{
commands.CreateVeth{
Name: containerLinkName,
PeerName: sandboxLinkName,
MTU: 1450,
},
commands.MoveLink{
Name: sandboxLinkName,
SandboxName: sandboxName,
},
commands.AddAddress{
InterfaceName: containerLinkName,
Address: address,
},
commands.SetLinkUp{
LinkName: containerLinkName,
},
},
routeCommand,
),
),
}
}
Describe("String", func() {
var cmdStr string
It("renders the list of commands in the group", func() {
all.Execute(context)
cmdStr = all.String()
Expect(cmdStr).To(Equal("(\n" +
" some-command 1 &&\n" +
" some-command 2 &&\n" +
" some-command 3\n" +
")"))
})
Context("when the command group is empty", func() {
It("prints as two braces", func() {
all = commands.Group([]executor.Command{})
Expect(all.String()).To(Equal("(\n)"))
})
})
Context("when there are nested commands", func() {
It("indents the nested group with braces", func() {
all = commands.All(commands.All(command1, command2), command3)
all.Execute(context)
cmdStr = all.String()
Expect(cmdStr).To(Equal("(\n" +
" (\n" +
" some-command 1 &&\n" +
" some-command 2\n" +
" ) &&\n" +
" some-command 3\n" +
Expect(cmd).To(Equal(
commands.InNamespace{
Namespace: containerNS,
Command: commands.Group(
append(
[]executor.Command{
commands.CreateVeth{
Name: "container-veth",
PeerName: "sandbox-veth",
MTU: 1450,
},
commands.MoveLink{
Name: "sandbox-veth",
SandboxName: "some-sandbox-name",
},
commands.AddAddress{
InterfaceName: "container-veth",
Address: address,
},
commands.SetLinkUp{
LinkName: "container-veth",
},
},
routeCommand,
),
),
},
))
})
})