nvidia-container-toolkit/tools/container/containerd/config_v1_test.go
Evan Lezar 15cbd54d1c Also set Runtime file v1 containerd runtime config
This ensures that older versions of containerd that may be expecting
this over options.BinaryName should continue to work.

Signed-off-by: Evan Lezar <elezar@nvidia.com>
2022-05-26 06:26:06 +02:00

384 lines
11 KiB
Go

/**
# Copyright (c) 2021, NVIDIA CORPORATION. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
*/
package main
import (
"testing"
"github.com/pelletier/go-toml"
"github.com/stretchr/testify/require"
)
func TestUpdateV1ConfigDefaultRuntime(t *testing.T) {
const runtimeDir = "/test/runtime/dir"
testCases := []struct {
legacyConfig bool
setAsDefault bool
runtimeClass string
expectedDefaultRuntimeName interface{}
expectedDefaultRuntimeBinary interface{}
}{
{},
{
legacyConfig: true,
setAsDefault: false,
expectedDefaultRuntimeName: nil,
expectedDefaultRuntimeBinary: nil,
},
{
legacyConfig: true,
setAsDefault: true,
expectedDefaultRuntimeName: nil,
expectedDefaultRuntimeBinary: "/test/runtime/dir/nvidia-container-runtime",
},
{
legacyConfig: true,
setAsDefault: true,
runtimeClass: "NAME",
expectedDefaultRuntimeName: nil,
expectedDefaultRuntimeBinary: "/test/runtime/dir/nvidia-container-runtime",
},
{
legacyConfig: true,
setAsDefault: true,
runtimeClass: "nvidia-experimental",
expectedDefaultRuntimeName: nil,
expectedDefaultRuntimeBinary: "/test/runtime/dir/nvidia-container-runtime-experimental",
},
{
legacyConfig: false,
setAsDefault: false,
expectedDefaultRuntimeName: nil,
expectedDefaultRuntimeBinary: nil,
},
{
legacyConfig: false,
setAsDefault: true,
expectedDefaultRuntimeName: "nvidia",
expectedDefaultRuntimeBinary: nil,
},
{
legacyConfig: false,
setAsDefault: true,
runtimeClass: "NAME",
expectedDefaultRuntimeName: "NAME",
expectedDefaultRuntimeBinary: nil,
},
{
legacyConfig: false,
setAsDefault: true,
runtimeClass: "nvidia-experimental",
expectedDefaultRuntimeName: "nvidia-experimental",
expectedDefaultRuntimeBinary: nil,
},
}
for i, tc := range testCases {
o := &options{
useLegacyConfig: tc.legacyConfig,
setAsDefault: tc.setAsDefault,
runtimeClass: tc.runtimeClass,
runtimeType: runtimeType,
runtimeDir: runtimeDir,
}
config, err := toml.TreeFromMap(map[string]interface{}{})
require.NoError(t, err, "%d: %v", i, tc)
err = UpdateV1Config(config, o)
require.NoError(t, err, "%d: %v", i, tc)
defaultRuntimeName := config.GetPath([]string{"plugins", "cri", "containerd", "default_runtime_name"})
require.EqualValues(t, tc.expectedDefaultRuntimeName, defaultRuntimeName, "%d: %v", i, tc)
defaultRuntime := config.GetPath([]string{"plugins", "cri", "containerd", "default_runtime"})
if tc.expectedDefaultRuntimeBinary == nil {
require.Nil(t, defaultRuntime, "%d: %v", i, tc)
} else {
expected, err := defaultRuntimeTomlConfigV1(tc.expectedDefaultRuntimeBinary.(string))
require.NoError(t, err, "%d: %v", i, tc)
configContents, _ := toml.Marshal(defaultRuntime.(*toml.Tree))
expectedContents, _ := toml.Marshal(expected)
require.Equal(t, string(expectedContents), string(configContents), "%d: %v: %v", i, tc)
}
}
}
func TestUpdateV1Config(t *testing.T) {
const runtimeDir = "/test/runtime/dir"
const expectedVersion = int64(1)
expectedBinaries := []string{
"/test/runtime/dir/nvidia-container-runtime",
"/test/runtime/dir/nvidia-container-runtime-experimental",
}
testCases := []struct {
runtimeClass string
expectedRuntimes []string
}{
{
runtimeClass: "nvidia",
expectedRuntimes: []string{"nvidia", "nvidia-experimental"},
},
{
runtimeClass: "NAME",
expectedRuntimes: []string{"NAME", "nvidia-experimental"},
},
{
runtimeClass: "nvidia-experimental",
expectedRuntimes: []string{"nvidia", "nvidia-experimental"},
},
}
for i, tc := range testCases {
o := &options{
runtimeClass: tc.runtimeClass,
runtimeType: runtimeType,
runtimeDir: runtimeDir,
}
config, err := toml.TreeFromMap(map[string]interface{}{})
require.NoError(t, err, "%d: %v", i, tc)
err = UpdateV1Config(config, o)
require.NoError(t, err, "%d: %v", i, tc)
version, ok := config.Get("version").(int64)
require.True(t, ok)
require.EqualValues(t, expectedVersion, version)
runtimes, ok := config.GetPath([]string{"plugins", "cri", "containerd", "runtimes"}).(*toml.Tree)
require.True(t, ok)
runtimeClasses := runtimes.Keys()
require.ElementsMatch(t, tc.expectedRuntimes, runtimeClasses, "%d: %v", i, tc)
for i, r := range tc.expectedRuntimes {
runtimeConfig := runtimes.Get(r)
expected, err := runtimeTomlConfigV1(expectedBinaries[i])
require.NoError(t, err, "%d: %v", i, tc)
configContents, _ := toml.Marshal(runtimeConfig)
expectedContents, _ := toml.Marshal(expected)
require.Equal(t, string(expectedContents), string(configContents), "%d: %v: %v", i, r, tc)
}
}
}
func TestUpdateV1ConfigWithRuncPresent(t *testing.T) {
const runcBinary = "/runc-binary"
const runtimeDir = "/test/runtime/dir"
const expectedVersion = int64(1)
expectedBinaries := []string{
runcBinary,
"/test/runtime/dir/nvidia-container-runtime",
"/test/runtime/dir/nvidia-container-runtime-experimental",
}
testCases := []struct {
runtimeClass string
expectedRuntimes []string
}{
{
runtimeClass: "nvidia",
expectedRuntimes: []string{"runc", "nvidia", "nvidia-experimental"},
},
{
runtimeClass: "NAME",
expectedRuntimes: []string{"runc", "NAME", "nvidia-experimental"},
},
{
runtimeClass: "nvidia-experimental",
expectedRuntimes: []string{"runc", "nvidia", "nvidia-experimental"},
},
}
for i, tc := range testCases {
o := &options{
runtimeClass: tc.runtimeClass,
runtimeType: runtimeType,
runtimeDir: runtimeDir,
}
config, err := toml.TreeFromMap(runcConfigMapV1("/runc-binary"))
require.NoError(t, err, "%d: %v", i, tc)
err = UpdateV1Config(config, o)
require.NoError(t, err, "%d: %v", i, tc)
version, ok := config.Get("version").(int64)
require.True(t, ok)
require.EqualValues(t, expectedVersion, version)
runtimes, ok := config.GetPath([]string{"plugins", "cri", "containerd", "runtimes"}).(*toml.Tree)
require.True(t, ok)
runtimeClasses := runtimes.Keys()
require.ElementsMatch(t, tc.expectedRuntimes, runtimeClasses, "%d: %v", i, tc)
for i, r := range tc.expectedRuntimes {
runtimeConfig := runtimes.Get(r)
expected, err := toml.TreeFromMap(runcRuntimeConfigMapV1(expectedBinaries[i]))
require.NoError(t, err, "%d: %v", i, tc)
configContents, _ := toml.Marshal(runtimeConfig)
expectedContents, _ := toml.Marshal(expected)
require.Equal(t, string(expectedContents), string(configContents), "%d: %v: %v", i, r, tc)
}
}
}
func TestRevertV1Config(t *testing.T) {
testCases := []struct {
config map[string]interface {
}
expected map[string]interface{}
}{
{},
{
config: map[string]interface{}{
"version": int64(1),
},
},
{
config: map[string]interface{}{
"version": int64(1),
"plugins": map[string]interface{}{
"cri": map[string]interface{}{
"containerd": map[string]interface{}{
"runtimes": map[string]interface{}{
"nvidia": runtimeMapV1("/test/runtime/dir/nvidia-container-runtime"),
"nvidia-experimental": runtimeMapV1("/test/runtime/dir/nvidia-container-runtime-experimental"),
},
},
},
},
},
},
{
config: map[string]interface{}{
"version": int64(1),
"plugins": map[string]interface{}{
"cri": map[string]interface{}{
"containerd": map[string]interface{}{
"runtimes": map[string]interface{}{
"nvidia": runtimeMapV1("/test/runtime/dir/nvidia-container-runtime"),
"nvidia-experimental": runtimeMapV1("/test/runtime/dir/nvidia-container-runtime-experimental"),
},
"default_runtime": defaultRuntimeV1("/test/runtime/dir/nvidia-container-runtime"),
"default_runtime_name": "nvidia",
},
},
},
},
},
}
for i, tc := range testCases {
o := &options{
runtimeClass: "nvidia",
}
config, err := toml.TreeFromMap(tc.config)
require.NoError(t, err, "%d: %v", i, tc)
expected, err := toml.TreeFromMap(tc.expected)
require.NoError(t, err, "%d: %v", i, tc)
err = RevertV1Config(config, o)
require.NoError(t, err, "%d: %v", i, tc)
configContents, _ := toml.Marshal(config)
expectedContents, _ := toml.Marshal(expected)
require.Equal(t, string(expectedContents), string(configContents), "%d: %v", i, tc)
}
}
func runtimeTomlConfigV1(binary string) (*toml.Tree, error) {
return toml.TreeFromMap(runtimeMapV1(binary))
}
func defaultRuntimeTomlConfigV1(binary string) (*toml.Tree, error) {
return toml.TreeFromMap(defaultRuntimeV1(binary))
}
func defaultRuntimeV1(binary string) map[string]interface{} {
return map[string]interface{}{
"runtime_type": runtimeType,
"runtime_root": "",
"runtime_engine": "",
"privileged_without_host_devices": false,
"options": map[string]interface{}{
"Runtime": binary,
},
}
}
func runtimeMapV1(binary string) map[string]interface{} {
return map[string]interface{}{
"runtime_type": runtimeType,
"runtime_root": "",
"runtime_engine": "",
"privileged_without_host_devices": false,
"options": map[string]interface{}{
"BinaryName": binary,
"Runtime": binary,
},
}
}
func runcConfigMapV1(binary string) map[string]interface{} {
return map[string]interface{}{
"plugins": map[string]interface{}{
"cri": map[string]interface{}{
"containerd": map[string]interface{}{
"runtimes": map[string]interface{}{
"runc": runcRuntimeConfigMapV1(binary),
},
},
},
},
}
}
func runcRuntimeConfigMapV1(binary string) map[string]interface{} {
return map[string]interface{}{
"runtime_type": "runc_runtime_type",
"runtime_root": "runc_runtime_root",
"runtime_engine": "runc_runtime_engine",
"privileged_without_host_devices": true,
"options": map[string]interface{}{
"runc-option": "value",
"BinaryName": binary,
"Runtime": binary,
},
}
}