open-nomad/client/serviceregistration/address_test.go

429 lines
9.5 KiB
Go

// Copyright (c) HashiCorp, Inc.
// SPDX-License-Identifier: MPL-2.0
package serviceregistration
import (
"testing"
"github.com/hashicorp/nomad/nomad/structs"
"github.com/hashicorp/nomad/plugins/drivers"
"github.com/stretchr/testify/require"
)
func Test_GetAddress(t *testing.T) {
const HostIP = "127.0.0.1"
testCases := []struct {
name string
// Inputs
advertise string
mode string
portLabel string
host map[string]int // will be converted to structs.Networks
driver *drivers.DriverNetwork
ports structs.AllocatedPorts
status *structs.AllocNetworkStatus
// Expectations
expIP string
expPort int
expErr string
}{
// Valid Configurations
{
name: "ExampleService",
mode: structs.AddressModeAuto,
portLabel: "db",
host: map[string]int{"db": 12435},
driver: &drivers.DriverNetwork{
PortMap: map[string]int{"db": 6379},
IP: "10.1.2.3",
},
expIP: HostIP,
expPort: 12435,
},
{
name: "host",
mode: structs.AddressModeHost,
portLabel: "db",
host: map[string]int{"db": 12345},
driver: &drivers.DriverNetwork{
PortMap: map[string]int{"db": 6379},
IP: "10.1.2.3",
},
expIP: HostIP,
expPort: 12345,
},
{
name: "driver",
mode: structs.AddressModeDriver,
portLabel: "db",
host: map[string]int{"db": 12345},
driver: &drivers.DriverNetwork{
PortMap: map[string]int{"db": 6379},
IP: "10.1.2.3",
},
expIP: "10.1.2.3",
expPort: 6379,
},
{
name: "AutoDriver",
mode: structs.AddressModeAuto,
portLabel: "db",
host: map[string]int{"db": 12345},
driver: &drivers.DriverNetwork{
PortMap: map[string]int{"db": 6379},
IP: "10.1.2.3",
AutoAdvertise: true,
},
expIP: "10.1.2.3",
expPort: 6379,
},
{
name: "DriverCustomPort",
mode: structs.AddressModeDriver,
portLabel: "7890",
host: map[string]int{"db": 12345},
driver: &drivers.DriverNetwork{
PortMap: map[string]int{"db": 6379},
IP: "10.1.2.3",
},
expIP: "10.1.2.3",
expPort: 7890,
},
// Invalid Configurations
{
name: "DriverWithoutNetwork",
mode: structs.AddressModeDriver,
portLabel: "db",
host: map[string]int{"db": 12345},
driver: nil,
expErr: "no driver network exists",
},
{
name: "DriverBadPort",
mode: structs.AddressModeDriver,
portLabel: "bad-port-label",
host: map[string]int{"db": 12345},
driver: &drivers.DriverNetwork{
PortMap: map[string]int{"db": 6379},
IP: "10.1.2.3",
},
expErr: "invalid port",
},
{
name: "DriverZeroPort",
mode: structs.AddressModeDriver,
portLabel: "0",
driver: &drivers.DriverNetwork{
IP: "10.1.2.3",
},
expErr: "invalid port",
},
{
name: "HostBadPort",
mode: structs.AddressModeHost,
portLabel: "bad-port-label",
expErr: "invalid port",
},
{
name: "InvalidMode",
mode: "invalid-mode",
portLabel: "80",
expErr: "invalid address mode",
},
{
name: "NoPort_AutoMode",
mode: structs.AddressModeAuto,
expIP: HostIP,
},
{
name: "NoPort_HostMode",
mode: structs.AddressModeHost,
expIP: HostIP,
},
{
name: "NoPort_DriverMode",
mode: structs.AddressModeDriver,
driver: &drivers.DriverNetwork{
IP: "10.1.2.3",
},
expIP: "10.1.2.3",
},
// Scenarios using port 0.12 networking fields (NetworkStatus, AllocatedPortMapping)
{
name: "ExampleServer_withAllocatedPorts",
mode: structs.AddressModeAuto,
portLabel: "db",
ports: []structs.AllocatedPortMapping{
{
Label: "db",
Value: 12435,
To: 6379,
HostIP: HostIP,
},
},
status: &structs.AllocNetworkStatus{
InterfaceName: "eth0",
Address: "172.26.0.1",
},
expIP: HostIP,
expPort: 12435,
},
{
name: "Host_withAllocatedPorts",
mode: structs.AddressModeHost,
portLabel: "db",
ports: []structs.AllocatedPortMapping{
{
Label: "db",
Value: 12345,
To: 6379,
HostIP: HostIP,
},
},
status: &structs.AllocNetworkStatus{
InterfaceName: "eth0",
Address: "172.26.0.1",
},
expIP: HostIP,
expPort: 12345,
},
{
name: "Driver_withAllocatedPorts",
mode: structs.AddressModeDriver,
portLabel: "db",
ports: []structs.AllocatedPortMapping{
{
Label: "db",
Value: 12345,
To: 6379,
HostIP: HostIP,
},
},
driver: &drivers.DriverNetwork{
IP: "10.1.2.3",
},
status: &structs.AllocNetworkStatus{
InterfaceName: "eth0",
Address: "172.26.0.1",
},
expIP: "10.1.2.3",
expPort: 6379,
},
{
name: "AutoDriver_withAllocatedPorts",
mode: structs.AddressModeAuto,
portLabel: "db",
ports: []structs.AllocatedPortMapping{
{
Label: "db",
Value: 12345,
To: 6379,
HostIP: HostIP,
},
},
driver: &drivers.DriverNetwork{
IP: "10.1.2.3",
AutoAdvertise: true,
},
status: &structs.AllocNetworkStatus{
InterfaceName: "eth0",
Address: "172.26.0.1",
},
expIP: "10.1.2.3",
expPort: 6379,
},
{
name: "DriverCustomPort_withAllocatedPorts",
mode: structs.AddressModeDriver,
portLabel: "7890",
ports: []structs.AllocatedPortMapping{
{
Label: "db",
Value: 12345,
To: 6379,
HostIP: HostIP,
},
},
driver: &drivers.DriverNetwork{
IP: "10.1.2.3",
},
status: &structs.AllocNetworkStatus{
InterfaceName: "eth0",
Address: "172.26.0.1",
},
expIP: "10.1.2.3",
expPort: 7890,
},
{
name: "Host_MultiHostInterface",
mode: structs.AddressModeAuto,
portLabel: "db",
ports: []structs.AllocatedPortMapping{
{
Label: "db",
Value: 12345,
To: 6379,
HostIP: "127.0.0.100",
},
},
status: &structs.AllocNetworkStatus{
InterfaceName: "eth0",
Address: "172.26.0.1",
},
expIP: "127.0.0.100",
expPort: 12345,
},
{
name: "Alloc",
mode: structs.AddressModeAlloc,
portLabel: "db",
ports: []structs.AllocatedPortMapping{
{
Label: "db",
Value: 12345,
To: 6379,
HostIP: HostIP,
},
},
status: &structs.AllocNetworkStatus{
InterfaceName: "eth0",
Address: "172.26.0.1",
},
expIP: "172.26.0.1",
expPort: 6379,
},
{
name: "Alloc no to value",
mode: structs.AddressModeAlloc,
portLabel: "db",
ports: []structs.AllocatedPortMapping{
{
Label: "db",
Value: 12345,
HostIP: HostIP,
},
},
status: &structs.AllocNetworkStatus{
InterfaceName: "eth0",
Address: "172.26.0.1",
},
expIP: "172.26.0.1",
expPort: 12345,
},
{
name: "AllocCustomPort",
mode: structs.AddressModeAlloc,
portLabel: "6379",
status: &structs.AllocNetworkStatus{
InterfaceName: "eth0",
Address: "172.26.0.1",
},
expIP: "172.26.0.1",
expPort: 6379,
},
// Cases for setting the address field
{
name: "Address",
mode: structs.AddressModeAuto,
advertise: "example.com",
expIP: "example.com",
expPort: 0,
},
{
name: "Address with numeric port",
mode: structs.AddressModeAuto,
advertise: "example.com",
portLabel: "8080",
expIP: "example.com",
expPort: 8080,
},
{
name: "Address with mapped port",
mode: structs.AddressModeAuto,
portLabel: "web",
advertise: "example.com",
ports: []structs.AllocatedPortMapping{
{
Label: "web",
Value: 12345,
HostIP: HostIP,
},
},
expIP: "example.com",
expPort: 12345,
},
{
name: "Address with invalid mapped port",
mode: structs.AddressModeAuto,
advertise: "example.com",
portLabel: "foobar",
expErr: `invalid port: "foobar": not a valid port mapping or numeric port`,
},
{
name: "Address with host mode",
mode: structs.AddressModeHost,
advertise: "example.com",
expErr: `cannot use custom advertise address with "host" address mode`,
},
{
name: "Address with driver mode",
mode: structs.AddressModeDriver,
advertise: "example.com",
expErr: `cannot use custom advertise address with "driver" address mode`,
},
{
name: "Address with alloc mode",
mode: structs.AddressModeAlloc,
advertise: "example.com",
expErr: `cannot use custom advertise address with "alloc" address mode`,
},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
// Convert host port map into a structs.Networks.
networks := []*structs.NetworkResource{
{
IP: HostIP,
ReservedPorts: make([]structs.Port, len(tc.host)),
},
}
i := 0
for label, port := range tc.host {
networks[0].ReservedPorts[i].Label = label
networks[0].ReservedPorts[i].Value = port
i++
}
// Run the GetAddress function.
actualIP, actualPort, actualErr := GetAddress(
tc.advertise,
tc.mode,
tc.portLabel,
networks,
tc.driver,
tc.ports,
tc.status,
)
// Assert the results
require.Equal(t, tc.expIP, actualIP, "IP mismatch")
require.Equal(t, tc.expPort, actualPort, "Port mismatch")
if tc.expErr == "" {
require.Nil(t, actualErr)
} else {
require.Error(t, actualErr)
require.Contains(t, actualErr.Error(), tc.expErr)
}
})
}
}