open-nomad/client/allocrunner/networking_cni_test.go

64 lines
1.6 KiB
Go

package allocrunner
import (
"net"
"testing"
cni "github.com/containerd/go-cni"
"github.com/hashicorp/nomad/helper/testlog"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
// TestCNI_cniToAllocNet_Fallback asserts if a CNI plugin result lacks an IP on
// its sandbox interface, the first IP found is used.
func TestCNI_cniToAllocNet_Fallback(t *testing.T) {
// Calico's CNI plugin v3.12.3 has been observed to return the
// following:
cniResult := &cni.CNIResult{
Interfaces: map[string]*cni.Config{
"cali39179aa3-74": &cni.Config{},
"eth0": &cni.Config{
IPConfigs: []*cni.IPConfig{
&cni.IPConfig{
IP: net.IPv4(192, 168, 135, 232),
},
},
},
},
}
// Only need a logger
c := &cniNetworkConfigurator{
logger: testlog.HCLogger(t),
}
allocNet, err := c.cniToAllocNet(cniResult)
require.NoError(t, err)
require.NotNil(t, allocNet)
assert.Equal(t, "192.168.135.232", allocNet.Address)
assert.Equal(t, "eth0", allocNet.InterfaceName)
assert.Nil(t, allocNet.DNS)
}
// TestCNI_cniToAllocNet_Invalid asserts an error is returned if a CNI plugin
// result lacks any IP addresses. This has not been observed, but Nomad still
// must guard against invalid results from external plugins.
func TestCNI_cniToAllocNet_Invalid(t *testing.T) {
cniResult := &cni.CNIResult{
Interfaces: map[string]*cni.Config{
"eth0": &cni.Config{},
"veth1": &cni.Config{
IPConfigs: []*cni.IPConfig{},
},
},
}
// Only need a logger
c := &cniNetworkConfigurator{
logger: testlog.HCLogger(t),
}
allocNet, err := c.cniToAllocNet(cniResult)
require.Error(t, err)
require.Nil(t, allocNet)
}